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<body class="book">
<div id="header">
<h1>The Megatest Users Manual</h1>
<span id="author">Matt Welland</span><br>
<span id="email" class="monospaced">&lt;<a href="mailto:matt@kiatoa.com">matt@kiatoa.com</a>&gt;</span><br>
<span id="revnumber">version 1.5,</span>
<span id="revdate">June 2020</span>
<div id="toc">
  <div id="toctitle">Table of Contents</div>
  <noscript><p><b>JavaScript must be enabled in your browser to display the table of contents.</b></p></noscript>
</div>
</div>
<div id="content">
<div class="sect1">
<h2 id="_preface">Preface</h2>
<div class="sectionbody">
<div class="paragraph"><p>This book is organised as three sub-books; getting started, writing tests and reference.</p></div>
<div class="listingblock">
<div class="title">License</div>
<div class="content monospaced">
<pre>    Copyright 2006-2020, Matthew Welland.

    This document is part of Megatest.

    Megatest is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.

    Megatest is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with Megatest.  If not, see &lt;http://www.gnu.org/licenses/&gt;.</pre>
</div></div>
</div>
</div>
<div class="sect1">
<h2 id="_why_megatest">Why Megatest?</h2>
<div class="sectionbody">
<div class="paragraph"><p>Megatest was created to provide a generalized tool for managing suites
of regression tests and to provide a multi-host, distributed
alternative to "make". The EDA world is littered with proprietory,
company-specific tools for this purpose and by going open source and
keeping the tool flexible the hope is that Megatest could be useful to
any team at any company for continuous integration and almost any
other general automation tasks.</p></div>
</div>
</div>
<div class="sect1">
<h2 id="_megatest_design_philosophy">Megatest Design Philosophy</h2>
<div class="sectionbody">
<div class="paragraph"><p>Megatest is a distributed system intended to provide the minimum needed
resources to make writing a suite of tests and tasks for implementing
continuous build for software, design engineering or process control (via
owlfs for example) without being specialized for any specific problem
space. Megatest in of itself does not know what constitutes a PASS or FAIL
of a test or task. In most cases megatest is best used in conjunction with
logpro or a similar tool to parse, analyze and decide on the test outcome.</p></div>
<div class="ulist"><ul>
<li>
<p>
Self-checking - make it as easy as possible to write self-checking
   tests (as opposed to using deltas, i.e. tests that compare with a
   previous measurement to deterine PASS/FAIL).
</p>
</li>
<li>
<p>
Traceable - environment variables, host OS and other possibly
   influential variables are captured and kept recorded.
</p>
</li>
<li>
<p>
Immutable - once a test is run it cannot be easily overwritten or
   modified accidentally.
</p>
</li>
<li>
<p>
Repeatable - test results can be recreated in the future using all
   the original variables.
</p>
</li>
<li>
<p>
Relocatable - the testsuite or automation area can be checked out
   and the tests run anywhere in the disk hierarchy.
</p>
</li>
<li>
<p>
Encapsulated - the tests run in self-contained directories and all
   inputs and outputs to the process can be found in the run areas.
</p>
</li>
<li>
<p>
Deployable - a testsuite is self-contained and can be bundled with
   a software project and easily used by others with little to no
   setup burden.
</p>
</li>
</ul></div>
</div>
</div>
<div class="sect1">
<h2 id="_megatest_architecture">Megatest Architecture</h2>
<div class="sectionbody">
<div class="sect2">
<h3 id="_data_separation">Data separation</h3>
<div class="paragraph"><p>All data to specify the tests and configure the system is stored in
plain text config files. All system state is stored in an sqlite3
database.</p></div>
</div>
<div class="sect2">
<h3 id="_distributed_compute">Distributed Compute</h3>
<div class="paragraph"><p>Tests are launched using the launching system available for the
distributed compute platform in use. A template script is provided
which can launch jobs on local and remote Linux hosts. Currently
megatest uses the network filesystem to call home to your master
sqlite3 database. Megatest has been used with the Intel Netbatch and
lsf (also known as openlava) batch systems and it should be
straightforward to use it with other similar systems.</p></div>
</div>
</div>
</div>
<div class="sect1">
<h2 id="_overview">Overview</h2>
<div class="sectionbody">
<div class="sect2">
<h3 id="_stand_alone_megatest_area">Stand-alone Megatest Area</h3>
<div class="paragraph"><p>A single, stand-alone, Megatest based testsuite or "area" is
sufficient for most validation, automation and build problems.</p></div>
<div class="imageblock">
<div class="content">
<img src="megatest-stand-alone-area.png" alt="Static">
</div>
</div>
<div class="paragraph"><p>Megatest is designed as a distributed or decoupled system. This means
you can run the areas stand-alone with no additional
infrastructure. I.e. there are no databases, web servers or other
centralized resources needed. However as your needs grow you can
integrate multiple areas into a bigger system.</p></div>
<div class="sect3">
<h4 id="_component_descriptions">Component Descriptions</h4>
<div class="olist arabic"><ol class="arabic">
<li>
<p>
Multi-area dashboard and xterm. A gui (the dashboard) is usually the
  best option for controlling and launching runs but all operations
  can also be done from the commandline. Note: The not yet released
  multi-area dashboard replaces the old dashboard for browsing and
  controlling runs but for managing a single area the old dashboard
  works very well.
</p>
</li>
<li>
<p>
Area/testsuite. This is your testsuite or automation definition and
  consists of the information in megatest.config, runconfigs.config
  and your testconfigs along with any custom scripting that can&#8217;t be
  done with the native Megatest features.
</p>
</li>
<li>
<p>
If your testsuite or build automation is too large to run on a
  single instance you can distribute your jobs into a compute server
  pool. The only current requirements are password-less ssh access and
  a network filesystem.
</p>
</li>
</ol></div>
</div>
</div>
<div class="sect2">
<h3 id="_full_system_architecture">Full System Architecture</h3>
<div class="imageblock">
<div class="content">
<img src="megatest-system-architecture.png" alt="Static">
</div>
</div>
</div>
</div>
</div>
<div class="sect1">
<h2 id="_todo_road_map">TODO / Road Map</h2>
<div class="sectionbody">
<div class="paragraph"><p>Note: This road-map is a wish list and not a formal plan. Items are in
rough priority but are subject to change. Development is driven by
user requests, developer "itch" and bug reports. Please contact
<a href="mailto:matt@kiatoa.com">matt@kiatoa.com</a> with requests or bug reports. Requests from inside
Intel generally take priority.</p></div>
<div class="paragraph"><p>Dashboard and runs</p></div>
<div class="olist arabic"><ol class="arabic">
<li>
<p>
Multi-area dashboard view
</p>
</li>
</ol></div>
<div class="paragraph"><p>Tests Support</p></div>
<div class="olist arabic"><ol class="arabic">
<li>
<p>
Add variable $MT_RUNPATH = $MT_LINKTREE/$MT_TARGET/$MT_RUNNAME
</p>
</li>
<li>
<p>
Improve [script], especially indent handling
</p>
</li>
</ol></div>
<div class="paragraph"><p>Scalability</p></div>
<div class="olist arabic"><ol class="arabic">
<li>
<p>
Overflow database methodology - combine the best of the v1.63
  multi-db approach and the current db-in-tmp approach (currently
  slowness can be seen when number of tests in a db goes over 50-100k,
  with the overflow db it will be able to handle 1000&#8217;s of runs with
  50-100k tests per run). High priority - goal is to complete this by
  20Q3.
</p>
</li>
</ol></div>
<div class="paragraph"><p>Mtutils/CI</p></div>
<div class="olist arabic"><ol class="arabic">
<li>
<p>
Enable mtutil calls from dashboard (for remote control)
</p>
</li>
<li>
<p>
Logs browser (esp. for surfacing mtutil related activities)
</p>
</li>
<li>
<p>
Embed ftfplan for distributed automation, completed activities trigger QA runs which trigger deployment etc.
</p>
</li>
<li>
<p>
Jenkins junit XML support [DONE]
</p>
</li>
<li>
<p>
Add output flushing in teamcity support
</p>
</li>
</ol></div>
<div class="paragraph"><p>Build system</p></div>
<div class="olist arabic"><ol class="arabic">
<li>
<p>
./configure &#8658; ubuntu, sles11, sles12, rh7 [WIP]
</p>
</li>
<li>
<p>
Switch to using simple runs query everywhere
</p>
</li>
<li>
<p>
Add end_time to runs and add a rollup call that sets state, status and end_time
</p>
</li>
</ol></div>
<div class="paragraph"><p>Code refactoring/quality/performance</p></div>
<div class="olist arabic"><ol class="arabic">
<li>
<p>
Switch to scsh-process pipeline management for job execution/control
</p>
</li>
<li>
<p>
Use call-with-environment-variables where possible.
</p>
</li>
</ol></div>
<div class="paragraph"><p>Migration to inmem db and or overflow db</p></div>
<div class="olist arabic"><ol class="arabic">
<li>
<p>
Re-work the dbstruct data structure?
</p>
<div class="olist loweralpha"><ol class="loweralpha">
<li>
<p>
[ run-id.db inmemdb last-mod last-read last-sync inuse ]
</p>
</li>
</ol></div>
</li>
</ol></div>
<div class="paragraph"><p>Some ideas for Megatest 2.0</p></div>
<div class="olist arabic"><ol class="arabic">
<li>
<p>
Aggressive megatest.config and runconfig.config caching.
</p>
<div class="olist loweralpha"><ol class="loweralpha">
<li>
<p>
Cache the configs in $MT_RUNPATH
</p>
</li>
<li>
<p>
Following invocations of –run, -rerun* will calculate the new config but only overwrite the cached file IF changed
</p>
</li>
</ol></div>
</li>
<li>
<p>
If the cached file changes ALL existing tests go from COMPLETED &#8594; STALE, I’m not sure what to do about RUNNING tests
</p>
</li>
<li>
<p>
!VARS in runconfigs are not exported to the environment. They are accessed via rget as if the ! was not there.
</p>
</li>
<li>
<p>
Per test copy commands (example is incomplete).
</p>
</li>
</ol></div>
<div class="listingblock">
<div class="content monospaced">
<pre>[testcopy]
%/iind% unison SRC DEST
% cp –r SRC DEST</pre>
</div></div>
<div class="paragraph"><p>Add ability to move runs to other Areas (overlaps with overflow db system)</p></div>
<div class="olist arabic"><ol class="arabic">
<li>
<p>
allow shrinking megatest.db data by moving runs to an alternate
  Megatest area with same keys.
</p>
</li>
<li>
<p>
add param -destination [area|path]. when specified runs are copied to new
  area and removed from local db.
</p>
</li>
<li>
<p>
the data move would involve these steps
</p>
<div class="olist loweralpha"><ol class="loweralpha">
<li>
<p>
copy the run data to destination area megatest.db
</p>
</li>
<li>
<p>
mark the run records as deleted, do not remove the run data on disk
</p>
</li>
</ol></div>
</li>
<li>
<p>
accessing the data would be by running dashboard in the satellite area
</p>
</li>
<li>
<p>
future versions of Megatest dashboard should support displaying areas in a
  merged way.
</p>
</li>
<li>
<p>
some new controls would be supported in the config
</p>
<div class="olist loweralpha"><ol class="loweralpha">
<li>
<p>
[setup] &#8658; allow-runs [no|yes]  &#8656;= used to disallow runs
</p>
</li>
<li>
<p>
[setup] &#8658; auto-migrate=[areaname|path]  &#8656;= used to automatically
   migrate data to a satellite area.
</p>
</li>
</ol></div>
</li>
</ol></div>
<div class="paragraph"><p>Eliminate ties to homehost (part of overflow db system)</p></div>
<div class="olist arabic"><ol class="arabic">
<li>
<p>
Server creates captain pkt
</p>
</li>
<li>
<p>
Create a lock in the db
</p>
</li>
<li>
<p>
Relinquish db when done
</p>
</li>
</ol></div>
<div class="paragraph"><p>Tasks - better management of run manager processes etc.</p></div>
<div class="olist arabic"><ol class="arabic">
<li>
<p>
adjutant queries tasks table for next action <span class="red">[Migrate into mtutil]</span>
</p>
<div class="olist loweralpha"><ol class="loweralpha">
<li>
<p>
Task table used for tracking runner process <span class="red">[Replaced by mtutil]</span>
</p>
</li>
<li>
<p>
Task table used for jobs to run <span class="red">[Replaced by mtutil]</span>
</p>
</li>
<li>
<p>
Task table used for queueing runner actions (remove runs,
   cleanRunExecute, etc)  <span class="red">[Replaced by mtutil</span>]
</p>
</li>
</ol></div>
</li>
<li>
<p>
adjutant (server/task dispatch/execution manager)
</p>
</li>
</ol></div>
<div class="paragraph"><p>Stale propagation</p></div>
<div class="olist arabic"><ol class="arabic">
<li>
<p>
Mark dependent tests for clean/rerun -rerun-downstream
</p>
</li>
<li>
<p>
On run start check for defunct tests in RUNNING, LAUNCHED or REMOTEHOSTSTART and correct or notify
</p>
</li>
<li>
<p>
Fix: refresh of gui sometimes fails on last item (race condition?)
</p>
</li>
</ol></div>
<div class="paragraph"><p>Bin list</p></div>
<div class="olist arabic"><ol class="arabic">
<li>
<p>
Rerun step and or subsequent steps from gui [DONE?]
</p>
</li>
<li>
<p>
Refresh test area files from gui
</p>
</li>
<li>
<p>
Clean and re-run button
</p>
</li>
<li>
<p>
Clean up STATE and STATUS handling.
</p>
<div class="olist loweralpha"><ol class="loweralpha">
<li>
<p>
Dashboard and Test control panel are reverse order - choose and fix
</p>
</li>
<li>
<p>
Move seldom used states and status to drop down selector
</p>
</li>
</ol></div>
</li>
<li>
<p>
Access test control panel when clicking on Run Summary tests
</p>
</li>
<li>
<p>
Feature: -generate-index-tree
</p>
</li>
<li>
<p>
Change specifing of state and status to use STATE1/STATUS1,STATE2/STATUS2
</p>
</li>
<li>
<p>
rest api available for use with Perl, Ruby etc. scripts
</p>
</li>
<li>
<p>
megatest.config setup entries for:
</p>
<div class="olist loweralpha"><ol class="loweralpha">
<li>
<p>
run launching (e.g. /bin/sh %CMD% &gt; /dev/null)
</p>
</li>
<li>
<p>
browser "konqueror %FNAME%
</p>
</li>
</ol></div>
</li>
<li>
<p>
refdb: Add export of csv, json and sexp
</p>
</li>
<li>
<p>
Convert to using call-with-environment-variables where possible. Should allow handling of parallel runs in same process.
</p>
</li>
<li>
<p>
Re-work text interface wizards. Several bugs on record. Possibly convert to gui based.
</p>
</li>
<li>
<p>
Add to testconfig requirements section; launchlimiter scriptname, calls scriptname to check if ok to launch test
</p>
</li>
<li>
<p>
Refactor Run Summary view, currently very clumsy
</p>
</li>
<li>
<p>
Add option to show steps in Run Summary view
</p>
</li>
<li>
<p>
Refactor guis for resizeablity
</p>
</li>
<li>
<p>
Add filters to Run Summary view and Run Control view
</p>
</li>
<li>
<p>
Add to megatest.config or testconfig; rerunok STATE/STATUS,STATE/STATUS&#8230;
</p>
</li>
<li>
<p>
Launch gates for diskspace; /path/one&gt;1G,/path/two&gt;200M,/tmp&gt;5G,#{scheme <strong>toppath</strong>}&gt;1G
</p>
</li>
<li>
<p>
Tool tips
</p>
</li>
<li>
<p>
Filters on Run Summary, Summary and Run Control panel
</p>
</li>
<li>
<p>
Built in log viewer (partially implemented)
</p>
</li>
<li>
<p>
Refactor the test control panel
   Help and documentation
</p>
</li>
<li>
<p>
Complete the user manual (I’ve been working on this lately).
</p>
</li>
<li>
<p>
Online help in the gui
   Streamlined install
</p>
</li>
<li>
<p>
Deployed or static build
</p>
</li>
<li>
<p>
Added option to compile IUP (needed for VMs)
</p>
</li>
<li>
<p>
Server side run launching
</p>
</li>
<li>
<p>
Wizards for creating tests, regression areas (current ones are text only and limited).
</p>
</li>
<li>
<p>
Fully functional built in web service (currently you can browse runs but it is very simplistic).
</p>
</li>
<li>
<p>
Gui panels for editing megatest.config and runconfigs.config
</p>
</li>
<li>
<p>
Fully isolated tests (no use of NFS to see regression area files)
</p>
</li>
<li>
<p>
Windows version
</p>
</li>
</ol></div>
</div>
</div>
<div class="sect1">
<h2 id="_installation">Installation</h2>
<div class="sectionbody">
<div class="sect2">
<h3 id="_dependencies">Dependencies</h3>
<div class="paragraph"><p>Chicken scheme and a number of "eggs" are required for building
Megatest. See the script installall.sh in the utils directory of the
source distribution for an automated way to install everything
needed for building Megatest on Linux.</p></div>
<div class="paragraph"><p>Megatest. In the v1.66 and beyond assistance to create the build
system is built into the Makefile.</p></div>
<div class="listingblock">
<div class="title">Installation steps (overview)</div>
<div class="content monospaced">
<pre>./configure
make chicken
setup.sh make -j install</pre>
</div></div>
<div class="paragraph"><p>Or install the needed build system manually:</p></div>
<div class="olist arabic"><ol class="arabic">
<li>
<p>
Chicken scheme from <a href="http://call-cc.org">http://call-cc.org</a>
</p>
</li>
<li>
<p>
IUP from <a href="http://webserver2.tecgraf.puc-rio.br/iup/">http://webserver2.tecgraf.puc-rio.br/iup/</a>
</p>
</li>
<li>
<p>
CD from <a href="http://webserver2.tecgraf.puc-rio.br/cd/">http://webserver2.tecgraf.puc-rio.br/cd/</a>
</p>
</li>
<li>
<p>
IM from <a href="https://webserver2.tecgraf.puc-rio.br/im/">https://webserver2.tecgraf.puc-rio.br/im/</a>
</p>
</li>
<li>
<p>
ffcall from <a href="http://webserver2.tecgraf.puc-rio.br/iup/">http://webserver2.tecgraf.puc-rio.br/iup/</a>
</p>
</li>
<li>
<p>
Nanomsg from <a href="https://nanomsg.org/">https://nanomsg.org/</a> (NOTE: Plan is to eliminate nanomsg dependency).
</p>
</li>
<li>
<p>
Needed eggs (look at the eggs lists in the Makefile)
</p>
</li>
</ol></div>
<div class="paragraph"><p>Then follow these steps:</p></div>
<div class="listingblock">
<div class="title">Installation steps (self-built chicken scheme build system)</div>
<div class="content monospaced">
<pre>./configure
make -j install</pre>
</div></div>
</div>
</div>
</div>
<div class="sect1">
<h2 id="_getting_started">Getting Started</h2>
<div class="sectionbody">
<div class="listingblock">
<div class="title">Getting started with Megatest</div>
<div class="content monospaced">
<pre>Creating a testsuite or flow and your first test or task.</pre>
</div></div>
<div class="paragraph"><p>After installing Megatest you can create a flow or testsuite and add some
tests using the helpers. Here is a quickstart sequence to get you up and
running your first automated testsuite.</p></div>
<div class="sect2">
<h3 id="_creating_a_megatest_area">Creating a Megatest Area</h3>
<div class="sect3">
<h4 id="_choose_target_keys">Choose Target Keys</h4>
<div class="paragraph"><p>First choose your "target" keys. These are used to organise your runs in a
way that is meaningful to your project. If you are unsure about what to use
for keys just use a single generic key such as "RUNTYPE". These keys will be
used to hand values to your tests via environment variables so ensure they
are unique. Prefixing them with something such as PROJKEYS_ is a good
strategy.</p></div>
<div class="paragraph"><p>Examples of keys:</p></div>
<table class="tableblock frame-all grid-all"
style="
width:60%;
">
<caption class="title">Table 1. Example keys</caption>
<col style="width:50%;">
<col style="width:50%;">
<thead>
<tr>
<th class="tableblock halign-left valign-top" > Option            </th>
<th class="tableblock halign-left valign-top" > Description</th>
</tr>
</thead>
<tbody>
<tr>
<td class="tableblock halign-left valign-top" ><p class="tableblock">RELEASE/ITERATION</p></td>
<td class="tableblock halign-left valign-top" ><p class="tableblock">This example is used by Megatest for its internal QA.</p></td>
</tr>
<tr>
<td class="tableblock halign-left valign-top" ><p class="tableblock">ARCH/OS/RELEASE</p></td>
<td class="tableblock halign-left valign-top" ><p class="tableblock">For a software project targeting multiple platforms</p></td>
</tr>
<tr>
<td class="tableblock halign-left valign-top" ><p class="tableblock">UCTRLR/NODETYPE</p></td>
<td class="tableblock halign-left valign-top" ><p class="tableblock">Microcontroller project with different controllers
running same software</p></td>
</tr>
</tbody>
</table>
</div>
<div class="sect3">
<h4 id="_create_area_config_files">Create Area Config Files</h4>
<div class="paragraph"><p>You will need to choose locations for your runs (the data generated every
time you run the testsuite) and link tree. For getting started answer the
prompts with "runs" and "links". We use the Unix editor "vi" in the examples
below but you can use any plain text editor.</p></div>
<div class="listingblock">
<div class="title">Using the helper to create a Megatest area</div>
<div class="content monospaced">
<pre>megatest -create-megatest-area

# optional: verify that the settings are ok
vi megatest.config
vi runconfigs.config</pre>
</div></div>
</div>
</div>
<div class="sect2">
<h3 id="_creating_a_test">Creating a Test</h3>
<div class="paragraph"><p>Choose the test name for your first test and run the helper. You can edit
the files after the initial creation. You will need to enter names and
scripts for the steps to be run and then edit the
tests/&lt;testname&gt;/testconfig file and modify the logpro rules to properly
process the log output from your steps. For your first test just hit enter
for the "waiton", "priority" and iteration variable prompts.</p></div>
<div class="paragraph"><p>Hint: for geting started make your logpro rules very liberal. expect:error
patterns should match nothing and comment out expect:required rules.</p></div>
<div class="listingblock">
<div class="title">Using the helper to create a Megatest test</div>
<div class="content monospaced">
<pre>megatest -create-test myfirsttest

# then edit the generated config
vi tests/myfirsttest/testconfig</pre>
</div></div>
</div>
<div class="sect2">
<h3 id="_running_your_test">Running your test</h3>
<div class="paragraph"><p>First choose a target and runname. If you have a two-place target such as
RELEASE/ITERATION a target would look like v1.0/aff3 where v1.0 is the
RELEASE and aff3 is the ITERATION. For a run name just use something like
run1.</p></div>
<div class="listingblock">
<div class="title">Running all tests (testpatt of "%" matches all tests)</div>
<div class="content monospaced">
<pre>megatest -run -target v1.0/aff3 -runname run1 -testpatt % -log run1.log</pre>
</div></div>
</div>
<div class="sect2">
<h3 id="_viewing_the_results">Viewing the results</h3>
<div class="paragraph"><p>Start the dashboard and browse your run in the "Runs" tab.</p></div>
<div class="listingblock">
<div class="title">Starting dashboard</div>
<div class="content monospaced">
<pre>dashboard -rows 24</pre>
</div></div>
</div>
</div>
</div>
<div class="sect1">
<h2 id="_study_plan">Study Plan</h2>
<div class="sectionbody">
<div class="paragraph"><p>Megatest is an extensive program with a lot to learn. Following are some paths through the material to smooth the learning path.</p></div>
<div class="sect2">
<h3 id="_basic_concepts_suggest_you_pick_these_up_on_the_way">Basic Concepts (suggest you pick these up on the way)</h3>
<div class="ulist"><ul>
<li>
<p>
Components of automation; run, test, iteration
</p>
</li>
<li>
<p>
Selectors; target, runname, and testpatt
</p>
</li>
</ul></div>
</div>
<div class="sect2">
<h3 id="_running_testsuites_or_automation">Running Testsuites or Automation</h3>
<div class="ulist"><ul>
<li>
<p>
Using the dashboard gui (recommended)
</p>
<div class="ulist"><ul>
<li>
<p>
Using the "Runs" panel.
</p>
</li>
<li>
<p>
Using the "Run Control" panel.
</p>
</li>
<li>
<p>
Using a test control panel
</p>
</li>
<li>
<p>
The Right Mouse Button menu
</p>
</li>
<li>
<p>
Debug features
</p>
<div class="ulist"><ul>
<li>
<p>
xterm
</p>
<div class="ulist"><ul>
<li>
<p>
pstree
</p>
</li>
<li>
<p>
log files; mt_copy.log, mt_launch.log
</p>
</li>
<li>
<p>
variables; megatest.csh, megatest.sh
</p>
</li>
<li>
<p>
testconfig dump, *testconfig
</p>
</li>
</ul></div>
</li>
<li>
<p>
State/status buttons
</p>
</li>
<li>
<p>
Run, Clean, KillReq
</p>
</li>
<li>
<p>
ReRunClean
</p>
</li>
</ul></div>
</li>
</ul></div>
</li>
<li>
<p>
Using the command line
</p>
<div class="ulist"><ul>
<li>
<p>
Getting help; megatest -h, megatest -manual
</p>
</li>
<li>
<p>
Starting runs; megatest -run
</p>
<div class="ulist"><ul>
<li>
<p>
Selection controls; -target, -runname and -testpatt
</p>
</li>
</ul></div>
</li>
</ul></div>
</li>
</ul></div>
</div>
<div class="sect2">
<h3 id="_writing_tests_and_flows">Writing Tests and Flows</h3>
<div class="ulist"><ul>
<li>
<p>
environment variables (table 5)
</p>
</li>
<li>
<p>
tests/<em>testname</em>/testconfig <a href="megatest_manual.html#_the_testconfig_file">testconfig details</a>
</p>
<div class="ulist"><ul>
<li>
<p>
ezsteps and logpro section
</p>
</li>
<li>
<p>
iteration (one test applied to many inputs), items, itemstable <a href="megatest_manual.html#_iteration">test iteration</a>
</p>
</li>
<li>
<p>
dependencies, waiton, itemmatch, itemwait <a href="megatest_manual.html#_requirements_section">test requirements</a>
</p>
</li>
<li>
<p>
miscellaneous; mode toplevel, runtimelim, skip on file, no file, script or on running, waiver propagation
</p>
</li>
</ul></div>
</li>
<li>
<p>
megatest areas
</p>
<div class="ulist"><ul>
<li>
<p>
megatest.config
</p>
</li>
<li>
<p>
runconfigs.config
</p>
</li>
<li>
<p>
config language features; include, shell, system, scheme, rp|realpath, getenv, get, rget, scriptinc <a href="megatest.html#_config_file_helpers">config file helpers</a>
</p>
</li>
</ul></div>
</li>
</ul></div>
</div>
<div class="sect2">
<h3 id="_advanced_topics">Advanced Topics</h3>
<div class="ulist"><ul>
<li>
<p>
Removing and keeping runs selectively <a href="megatest_manual.html#_managing_old_runs">managing runs</a>
</p>
</li>
<li>
<p>
Subruns <a href="megatest_manual.html#_nested_runs">nested runs</a>
</p>
</li>
<li>
<p>
Config file features <a href="megatest_manual.html#_config_file_helpers">config file features</a>
</p>
</li>
<li>
<p>
HTML output with -generate-html
</p>
</li>
<li>
<p>
Triggers, post run, state/status
</p>
</li>
<li>
<p>
MTLOWESTLOAD
</p>
</li>
<li>
<p>
flexilauncher
</p>
</li>
<li>
<p>
env delta and testconfig
</p>
</li>
<li>
<p>
capturing test data, extracting values from logpro and using them for pass/fail
</p>
</li>
<li>
<p>
mtutil, postgres connection, packets for cross-site/cross-user control (e.g. mcrun).
</p>
</li>
</ul></div>
</div>
<div class="sect2">
<h3 id="_maintenance_and_troubleshooting">Maintenance and Troubleshooting</h3>
<div class="ulist"><ul>
<li>
<p>
cleanup-db, database structure of Megatest 1.6x
</p>
</li>
<li>
<p>
archiving
</p>
</li>
<li>
<p>
homehost management
</p>
</li>
<li>
<p>
show-runconfig
</p>
</li>
<li>
<p>
show-config
</p>
</li>
<li>
<p>
show with -debug 0,9
</p>
</li>
<li>
<p>
load management
</p>
</li>
</ul></div>
</div>
</div>
</div>
<div class="sect1">
<h2 id="_writing_tests">Writing Tests</h2>
<div class="sectionbody">
<div class="sect2">
<h3 id="_creating_a_new_test">Creating a new Test</h3>
<div class="paragraph"><p>The following steps will add a test "yourtestname" to your testsuite. This assumes
starting from a directory where you already have a megatest.config and
runconfigs.config.</p></div>
<div class="olist arabic"><ol class="arabic">
<li>
<p>
Create a directory tests/yourtestname
</p>
</li>
<li>
<p>
Create a file tests/yourtestname/testconfig
</p>
</li>
</ol></div>
<div class="listingblock">
<div class="title">Contents of minimal testconfig</div>
<div class="content monospaced">
<pre>[ezsteps]
stepname1 stepname.sh

# test_meta is a section for storing additional data on your test
[test_meta]
author myname
owner  myname
description An example test
reviewed never</pre>
</div></div>
<div class="paragraph"><p>This test runs a single step called "stepname1" which runs a script
"stepname.sh". Note that although it is common to put the actions
needed for a test step into a script it is not necessary.</p></div>
</div>
</div>
</div>
<div class="sect1">
<h2 id="_debugging">Debugging</h2>
<div class="sectionbody">
<div class="sect2">
<h3 id="_well_written_tests">Well Written Tests</h3>
<div class="sect3">
<h4 id="_test_design_and_surfacing_errors">Test Design and Surfacing Errors</h4>
<div class="paragraph"><p>Design your tests to surface errors. Ensure that all logs are
processed by logpro (or a custom log processing tool) and can be
reached by a mouse click or two from the test control panel.</p></div>
<div class="paragraph"><p>To illustrate, here is a set of scripts with nested calls where script1.sh calls script2.sh which calls script3.sh which finally calls the Cadence EDA tool virtuoso:</p></div>
<div class="literalblock">
<div class="title">script1.sh</div>
<div class="content monospaced">
<pre>#!/bin/bash
code ...
script2.sh some parameters &gt; script2.log
more code ...</pre>
</div></div>
<div class="literalblock">
<div class="title">script2.sh</div>
<div class="content monospaced">
<pre>#!/bin/bash
code ...
script3.sh some more parameters &gt; script3.log
more code ...</pre>
</div></div>
<div class="literalblock">
<div class="title">script3.sh</div>
<div class="content monospaced">
<pre>#!/bin/bash
code ...
virtuoso params and switches ...
more code ...</pre>
</div></div>
<div class="paragraph"><p>The log files script2.log, script3.log and the log output from
virtuoso are not accessible from the test control panel. It would be
much better for future users of your automation to use steps more
fully. One easy option would be to post process the logs in downstream
additional steps:</p></div>
<div class="literalblock">
<div class="title">testconfig</div>
<div class="content monospaced">
<pre>[ezsteps]
step1 script1.sh
step2 cat script2.log
step3 cat script3.log

[logpro]
step1 ;; some logpro rules
  (expect:required in "LogFileBody" &gt; 0 "Expect this output" #/something expected/)
step2 ;; some logpro rules for script2.sh
step3 ;; some logpro rules for script3.sh

[scripts]
script1.sh #!/bin/bash
 code ...

...</pre>
</div></div>
<div class="paragraph"><p>With the above testconfig the logs for every critical part of the
automation are fully surfaced and rules can be created to flag errors,
warnings, aborts and to ignore false errors. A user of your automation
will be able to see the important error with two mouse clicks from the
runs view.</p></div>
<div class="paragraph"><p>An even better would be to eliminate the nesting if possible. As a
general statement with layers - less is usually more. By flattening
the automation into a sequence of steps you can use the test control
panel to re-run a step with a single click or from the test xterm run
only the errant step from the command line.</p></div>
<div class="paragraph"><p>The message here is make debugging and maintenace easy for future
users (and yourself) by keeping clicks-to-error in mind.</p></div>
</div>
</div>
<div class="sect2">
<h3 id="_examining_the_test_logs_and_environment">Examining The Test Logs and Environment</h3>
<div class="sect3">
<h4 id="_test_control_panel_xterm">Test Control Panel - xterm</h4>
<div class="paragraph"><p>From the dashboard click on a test PASS/FAIL button. This brings up a
test control panel. Aproximately near the center left of the window
there is a button "Start Xterm". Push this to get an xterm with the
full context and environment loaded for that test. You can run scripts
or ezsteps by copying from the testconfig (hint, load up the
testconfig in a separate text editor window).</p></div>
<div class="paragraph"><p>With more recent versions of Megatest you can step through your test
from the test control panel. Click on the cell labeled "rerun this
step" to only rerun the step or click on "restart from here" to rerun
that step and downstream steps.</p></div>
<div class="paragraph"><p>NOTE 1: visual feedback can take some time, give it a few seconds and
you will see the step change color to blue as it starts running.</p></div>
<div class="paragraph"><p>NOTE 2: steping through only works if you are using ezsteps.</p></div>
</div>
</div>
<div class="sect2">
<h3 id="_a_word_on_bisecting">A word on Bisecting</h3>
<div class="paragraph"><p>Bisecting is a debug strategy intended to speed up finding the root
cause of some bug.</p></div>
<div class="imageblock graphviz">
<div class="content">
<img src="bisecting.png" alt="bisecting.png">
</div>
<div class="title">Figure 1. A complex process with a problem found in stage "E"</div>
</div>
<div class="paragraph"><p>It is common to start debugging where the problem was observed and
then work back. However by inspecting the output at stage "C" in the
example above you would potentially save a lot of debug effort, this
is similar to the feature in source control tools like git and fossil
called biseceting.</p></div>
</div>
<div class="sect2">
<h3 id="_tough_bugs">Tough Bugs</h3>
<div class="paragraph"><p>Most bugs in Megatest based automation will be in the scripts called
in your test steps and if you utilize the good design practice
described above should be fairly easy for you to reproduce, isolate
and find.</p></div>
<div class="paragraph"><p>Some bugs however will come from subtle and hard to detect
interactions between Megatest and your OS and Unix environment. This
includes things like constructed variables that are legal in one
context (e.g. tcsh) but illegal in another context (e.g. bash),
variables that come from your login scripts and access and permissions
issues (e.g. a script that silently fails due to no access to needed
data). Other bugs might be due to Megatest itself.</p></div>
<div class="paragraph"><p>To isolate bugs like this you may need to look at the log files at
various stages in the execution process of your run and tests.</p></div>
<div class="imageblock graphviz">
<div class="content">
<img src="megatest-test-stages.png" alt="megatest-test-stages.png">
</div>
<div class="title">Figure 2. A simplified diagram of the stages Megatest goes through to run a test.</div>
</div>
<table class="tableblock frame-topbot grid-all"
style="
width:80%;
">
<caption class="title">Table 2. How to check variable values and inspect logs at each stage</caption>
<col style="width:20%;">
<col style="width:40%;">
<col style="width:40%;">
<thead>
<tr>
<th class="tableblock halign-left valign-top" >Stage                      </th>
<th class="tableblock halign-left valign-top" > How to inspect                               </th>
<th class="tableblock halign-left valign-top" > Watch for or try &#8230;</th>
</tr>
</thead>
<tbody>
<tr>
<td class="tableblock halign-left valign-top" ><p class="tableblock">A: post config processing</p></td>
<td class="tableblock halign-left valign-top" ><p class="tableblock monospaced">megatest -show-config -target your/target</p></td>
<td class="tableblock halign-left valign-top" ><p class="tableblock monospaced">#f (failed var processing)</p></td>
</tr>
<tr>
<td class="tableblock halign-left valign-top" ><p class="tableblock">B: post runconfig</p></td>
<td class="tableblock halign-left valign-top" ><p class="tableblock monospaced">megatest -show-runconfig -target your/target</p></td>
<td class="tableblock halign-left valign-top" ><p class="tableblock monospaced">Add -debug 0,9 to see which file your settings come from</p></td>
</tr>
<tr>
<td class="tableblock halign-left valign-top" ><p class="tableblock">C: processing testconfigs</p></td>
<td class="tableblock halign-left valign-top" ><p class="tableblock monospaced">inspect output from "megatest -run &#8230;"</p></td>
<td class="tableblock halign-left valign-top" ><p class="tableblock monospaced">Messages indicating issues process configs, dependency problems</p></td>
</tr>
<tr>
<td class="tableblock halign-left valign-top" ><p class="tableblock">D: process testconfig for test launch</p></td>
<td class="tableblock halign-left valign-top" ><p class="tableblock monospaced">inspect output from megatest runner</p></td>
<td class="tableblock halign-left valign-top" ><p class="tableblock monospaced">Zero items (items expansion yielded no items)</p></td>
</tr>
<tr>
<td class="tableblock halign-left valign-top" ><p class="tableblock">E,F: launching test</p></td>
<td class="tableblock halign-left valign-top" ><p class="tableblock monospaced">start test xterm, look at mt_launch.log</p></td>
<td class="tableblock halign-left valign-top" ><p class="tableblock monospaced">Did your batch system accept the job? Has the job landed on a machine?</p></td>
</tr>
<tr>
<td class="tableblock halign-left valign-top" ><p class="tableblock">G: starting test</p></td>
<td class="tableblock halign-left valign-top" ><p class="tableblock monospaced">look at your batch systems logs for the process</p></td>
<td class="tableblock halign-left valign-top" ><p class="tableblock monospaced">Did the megatest -execute process start and run? Extract the "megatest -execute &#8230;" command and run it from your xterm.</p></td>
</tr>
<tr>
<td class="tableblock halign-left valign-top" ><p class="tableblock">H,H1,H2: step exectution</p></td>
<td class="tableblock halign-left valign-top" ><p class="tableblock monospaced">look at &lt;stepname&gt;.log, &lt;stepname&gt;.html and your own internal logs</p></td>
<td class="tableblock halign-left valign-top" ><p class="tableblock monospaced">Do you have sufficiently tight logpro rules? You must always have a "required" rule!</p></td>
</tr>
</tbody>
</table>
<div class="sect3">
<h4 id="_bisecting_megatest_csh_sh">Bisecting megatest.csh/sh</h4>
<div class="paragraph"><p>Sometimes finding the environment variable that is causing the problem
can be very difficult. Bisection can be applied.</p></div>
<div class="paragraph"><p>Edit the megatest.csh or megatest.sh file and comment out 50% per
round, source in fresh xterm and run the test.</p></div>
<div class="paragraph"><p>This idea can also be applied to your .cshrc, .bashrc, .aliases and
other similar files.</p></div>
</div>
<div class="sect3">
<h4 id="_csh_and_f">csh and -f</h4>
<div class="paragraph"><p>A common issue when tcsh or csh shells are used for scripting is to
forget or choose to not use -f in your #! line.</p></div>
<div class="literalblock">
<div class="title">Not good</div>
<div class="content monospaced">
<pre>#!/bin/tcsh
...</pre>
</div></div>
<div class="literalblock">
<div class="title">Good</div>
<div class="content monospaced">
<pre>#!/bin/tcsh -f
...</pre>
</div></div>
</div>
<div class="sect3">
<h4 id="_config_file_processing">Config File Processing</h4>
<div class="paragraph"><p>As described above it is often helpful to know the content of
variables in various contexts as Megatest works through the actions
needed to run your tests. A handy technique is to force the startup of
an xterm in the context being examined.</p></div>
<div class="paragraph"><p>For example, if an item list is not being generated as expected you
can inject the startup of an xterm as if it were an item:</p></div>
<div class="listingblock">
<div class="title">Original items table</div>
<div class="content monospaced">
<pre>[items]
CELLNAME [system getcellname.sh]</pre>
</div></div>
<div class="listingblock">
<div class="title">Items table modified for debug</div>
<div class="content monospaced">
<pre>[items]
DEBUG [system xterm]
CELLNAME [system getcellnames.sh]</pre>
</div></div>
<div class="paragraph"><p>When this test is run an xterm will pop up. In that xterm the
environment is exactly that in which the script "getcellnames.sh"
would run. You can now debug the script to find out why it isn&#8217;t
working as expected.</p></div>
<div class="paragraph"><p>Similarly in a script just call the xterm.
NOTE: This technique can be very helpful in debugging running of EDA tools in Perl, Ruby, Python or tcl scripts:</p></div>
<div class="literalblock">
<div class="title">Perl example</div>
<div class="content monospaced">
<pre>some_code();
$cmdline="virtuoso -some-switches and params ...";
print "$cmdline"; # print the command line so you can paste it into the xterm that pops up
system("xterm");  # this line is added for the debug and removed when done
system($cmdline);
more_code();</pre>
</div></div>
</div>
</div>
<div class="sect2">
<h3 id="_misc_other_debugging_hints">Misc Other Debugging Hints</h3>
<div class="sect3">
<h4 id="_annotating_scripts_and_config_files">Annotating scripts and config files</h4>
<div class="paragraph"><p>Run the "env" command to record the environment:</p></div>
<div class="paragraph"><p>env | sort &gt; stagename.log</p></div>
<div class="paragraph"><p>In a config file:</p></div>
<div class="literalblock">
<div class="title">megatest.config, runconfigs.config and testconfig</div>
<div class="content monospaced">
<pre>#{shell env | sort &gt; stagename.log}

# or

[system env | sort &gt; stagename.log]</pre>
</div></div>
<div class="paragraph"><p>In scripts just insert the commands, this example helps you identify
if "some commands &#8230;" changed any environment variables.:</p></div>
<div class="literalblock">
<div class="title">myscript.sh</div>
<div class="content monospaced">
<pre>env | sort &gt; somefile-before.log
some commands ...
env | sort &gt; somefile-after.log</pre>
</div></div>
<div class="literalblock">
<div class="title">Use meld to examine the differences</div>
<div class="content monospaced">
<pre>meld somefile-before.log somefile-after.log</pre>
</div></div>
</div>
<div class="sect3">
<h4 id="_oneshot_modifying_a_variable">Oneshot Modifying a Variable</h4>
<div class="paragraph"><p>To try various values for a variable without mutating the current value</p></div>
<div class="literalblock">
<div class="title">within a bash shell</div>
<div class="content monospaced">
<pre>SOMEVAR=123 runcmd.sh</pre>
</div></div>
<div class="literalblock">
<div class="title">within csh</div>
<div class="content monospaced">
<pre>(setenv SOMEVAR 123;runcmd.sh)

# OR

env SOMEVAR=123 runcmd.sh</pre>
</div></div>
</div>
<div class="sect3">
<h4 id="_capturing_output_from_a_command">Capturing output from a command</h4>
<div class="literalblock">
<div class="title">Use the "script" utility</div>
<div class="content monospaced">
<pre>script -c "virtuoso -params and switches ..."</pre>
</div></div>
</div>
</div>
</div>
</div>
<div class="sect1">
<h2 id="_how_to_do_things">How To Do Things</h2>
<div class="sectionbody">
<div class="sect2">
<h3 id="_process_runs">Process Runs</h3>
<div class="sect3">
<h4 id="_remove_runs">Remove Runs</h4>
<div class="paragraph"><p>From the dashboard click on the button (PASS/FAIL&#8230;) for one of the tests. From the test control panel that
comes up push the clean test button. The command field will be prefilled with a template command for removing
that test. You can edit the command, for example change the argument to -testpatt to "%" to remove all tests.</p></div>
<div class="listingblock">
<div class="title">Remove the test diskperf and all it&#8217;s items</div>
<div class="content monospaced">
<pre>megatest -remove-runs -target ubuntu/nfs/none -runname ww28.1a -testpatt diskperf/% -v</pre>
</div></div>
<div class="listingblock">
<div class="title">Remove all tests for all runs and all targets</div>
<div class="content monospaced">
<pre>megatest -remove-runs -target %/%/% -runname % -testpatt % -v</pre>
</div></div>
</div>
<div class="sect3">
<h4 id="_archive_runs">Archive Runs</h4>
<div class="paragraph"><p>Megatest supports using the bup backup tool (<a href="https://bup.github.io/">https://bup.github.io/</a>) to archive your tests for efficient storage
and retrieval. Archived data can be rapidly retrieved if needed. The metadata for the run (PASS/FAIL status, run
durations, time stamps etc.) are all preserved in the megatest database.</p></div>
<div class="paragraph"><p>For setup information see the Archiving topic in the reference section of this manual.</p></div>
<div class="sect4">
<h5 id="_to_archive">To Archive</h5>
<div class="paragraph"><p>Hint: use the test control panel to create a template command by pushing the "Archive Tests" button.</p></div>
<div class="listingblock">
<div class="title">Archive a full run</div>
<div class="content monospaced">
<pre>megatest -target ubuntu/nfs/none -runname ww28.1a -archive save-remove -testpatt %</pre>
</div></div>
</div>
<div class="sect4">
<h5 id="_to_restore">To Restore</h5>
<div class="listingblock">
<div class="title">Retrieve a single test</div>
<div class="content monospaced">
<pre>megatest -target ubuntu/nfs/none -runname ww28.1a -archive restore -testpatt diskperf/%</pre>
</div></div>
<div class="paragraph"><p>Hint: You can browse the archive using bup commands directly.</p></div>
<div class="listingblock">
<div class="content monospaced">
<pre>bup -d /path/to/bup/archive ftp</pre>
</div></div>
</div>
</div>
</div>
<div class="sect2">
<h3 id="_pass_data_from_test_to_test">Pass Data from Test to Test</h3>
<div class="listingblock">
<div class="title">To save the data call archive save within your test:</div>
<div class="content monospaced">
<pre>megatest -archive save</pre>
</div></div>
<div class="listingblock">
<div class="title">To retrieve the data call archive get using patterns as needed</div>
<div class="content monospaced">
<pre># Put the retrieved data into /tmp
DESTPATH=/tmp/$USER/$MT_TARGET/$MT_RUN_NAME/$MT_TESTNAME/$MT_ITEMPATH/my_data
mkdir -p $DESTPATH
megatest -archive get -runname % -dest $DESTPATH</pre>
</div></div>
</div>
<div class="sect2">
<h3 id="_submit_jobs_to_host_types_based_on_test_name">Submit jobs to Host Types based on Test Name</h3>
<div class="listingblock">
<div class="title">In megatest.config</div>
<div class="content monospaced">
<pre>[host-types]
general ssh #{getbgesthost general}
nbgeneral nbjob run JOBCOMMAND -log $MT_LINKTREE/$MT_TARGET/$MT_RUNNAME.$MT_TESTNAME-$MT_ITEM_PATH.lgo

[hosts]
general cubian xena

[launchers]
envsetup general
xor/%/n 4C16G
% nbgeneral

[jobtools]
launcher bsub
# if defined and not "no" flexi-launcher will bypass launcher unless there is no
# match.
flexi-launcher yes</pre>
</div></div>
</div>
</div>
</div>
<div class="sect1">
<h2 id="_tricks_and_tips">Tricks and Tips</h2>
<div class="sectionbody">
<div class="paragraph"><p>This section is a collection of a various useful tricks for that
didn&#8217;t quite fit elsewhere.</p></div>
<div class="sect2">
<h3 id="_limiting_your_running_jobs">Limiting your running jobs</h3>
<div class="paragraph"><p>The following example will limit a test in the jobgroup "group1" to no more than 10 tests simultaneously.</p></div>
<div class="paragraph"><p>In your testconfig:</p></div>
<div class="listingblock">
<div class="content monospaced">
<pre>[test_meta]
jobgroup group1</pre>
</div></div>
<div class="paragraph"><p>In your megatest.config:</p></div>
<div class="listingblock">
<div class="content monospaced">
<pre>[jobgroups]
group1 10
custdes 4</pre>
</div></div>
<div class="sect3">
<h4 id="_organising_your_tests_and_tasks">Organising Your Tests and Tasks</h4>
<div class="paragraph"><p>The default location "tests" for storing tests can be extended by
adding to your tests-paths section.</p></div>
<div class="listingblock">
<div class="content monospaced">
<pre>[misc]
parent #{shell dirname $(readlink -f .)}

[tests-paths]
1 #{get misc parent}/simplerun/tests</pre>
</div></div>
<div class="paragraph"><p>The above example shows how you can use addition sections in your
config file to do complex processing. By putting results of relatively
slow operations into variables the processing of your configs can be
kept fast.</p></div>
</div>
<div class="sect3">
<h4 id="_alternative_method_for_running_your_job_script">Alternative Method for Running your Job Script</h4>
<div class="listingblock">
<div class="title">Directly running job in testconfig</div>
<div class="content monospaced">
<pre>[setup]
runscript main.csh</pre>
</div></div>
<div class="paragraph"><p>The runscript method is essentially a brute force way to run scripts where the
user is responsible for setting STATE and STATUS and managing the details of running a test.</p></div>
</div>
</div>
<div class="sect2">
<h3 id="_debugging_server_problems">Debugging Server Problems</h3>
<div class="paragraph"><p>Some handy Unix commands to track down issues with servers not
communicating with your test manager processes. Please put in tickets
at <a href="https://www.kiatoa.com/fossils/megatest">https://www.kiatoa.com/fossils/megatest</a> if you have problems with
servers getting stuck.</p></div>
<div class="listingblock">
<div class="content monospaced">
<pre>sudo lsof -i
sudo netstat -lptu
sudo netstat -tulpn</pre>
</div></div>
</div>
</div>
</div>
<div class="sect1">
<h2 id="_reference">Reference</h2>
<div class="sectionbody">
<div class="sect2">
<h3 id="_megatest_use_modes">Megatest Use Modes</h3>
<table class="tableblock frame-topbot grid-all"
style="
width:80%;
">
<caption class="title">Table 3. Base commands</caption>
<col style="width:20%;">
<col style="width:40%;">
<col style="width:40%;">
<thead>
<tr>
<th class="tableblock halign-center valign-top" >Use case                </th>
<th class="tableblock halign-left valign-top" > Megatest command     </th>
<th class="tableblock halign-left valign-top" >  mtutil</th>
</tr>
</thead>
<tbody>
<tr>
<td class="tableblock halign-center valign-top" ><p class="tableblock">Start from scratch</p></td>
<td class="tableblock halign-left valign-top" ><p class="tableblock monospaced">-rerun-all</p></td>
<td class="tableblock halign-left valign-top" ><p class="tableblock monospaced">restart</p></td>
</tr>
<tr>
<td class="tableblock halign-center valign-top" ><p class="tableblock">Rerun non-good completed</p></td>
<td class="tableblock halign-left valign-top" ><p class="tableblock monospaced">-rerun-clean</p></td>
<td class="tableblock halign-left valign-top" ><p class="tableblock monospaced">rerunclean</p></td>
</tr>
<tr>
<td class="tableblock halign-center valign-top" ><p class="tableblock">Rerun all non-good and not completed yet</p></td>
<td class="tableblock halign-left valign-top" ><p class="tableblock monospaced">-set-state-status KILLREQ; -rerun-</p></td>
<td class="tableblock halign-left valign-top" ><p class="tableblock monospaced">clean</p></td>
</tr>
<tr>
<td class="tableblock halign-center valign-top" ><p class="tableblock">killrerun</p></td>
<td class="tableblock halign-left valign-top" ><p class="tableblock monospaced">Continue run</p></td>
<td class="tableblock halign-left valign-top" ><p class="tableblock monospaced">-run</p></td>
</tr>
<tr>
<td class="tableblock halign-center valign-top" ><p class="tableblock">resume</p></td>
<td class="tableblock halign-left valign-top" ><p class="tableblock monospaced">Remove run</p></td>
<td class="tableblock halign-left valign-top" ><p class="tableblock monospaced">-remove-runs</p></td>
</tr>
<tr>
<td class="tableblock halign-center valign-top" ><p class="tableblock">clean</p></td>
<td class="tableblock halign-left valign-top" ><p class="tableblock monospaced">Lock run</p></td>
<td class="tableblock halign-left valign-top" ><p class="tableblock monospaced">-lock</p></td>
</tr>
<tr>
<td class="tableblock halign-center valign-top" ><p class="tableblock">lock</p></td>
<td class="tableblock halign-left valign-top" ><p class="tableblock monospaced">Unlock run</p></td>
<td class="tableblock halign-left valign-top" ><p class="tableblock monospaced">-unlock</p></td>
</tr>
<tr>
<td class="tableblock halign-center valign-top" ><p class="tableblock">unlock</p></td>
<td class="tableblock halign-left valign-top" ><p class="tableblock monospaced">killrun</p></td>
<td class="tableblock halign-left valign-top" ><p class="tableblock monospaced">-set-state-status KILLREQ; -kill-run</p></td>
</tr>
</tbody>
</table>
</div>
<div class="sect2">
<h3 id="_config_file_helpers">Config File Helpers</h3>
<div class="paragraph"><p>Various helpers for more advanced config files.</p></div>
<table class="tableblock frame-topbot grid-all"
style="
width:80%;
">
<caption class="title">Table 4. Helpers</caption>
<col style="width:14%;">
<col style="width:28%;">
<col style="width:28%;">
<col style="width:28%;">
<thead>
<tr>
<th class="tableblock halign-center valign-top" >Helper                      </th>
<th class="tableblock halign-left valign-top" > Purpose                       </th>
<th class="tableblock halign-left valign-top" > Valid values            </th>
<th class="tableblock halign-left valign-top" > Comments</th>
</tr>
</thead>
<tbody>
<tr>
<td class="tableblock halign-center valign-top" ><p class="tableblock">#{scheme (scheme code&#8230;)}</p></td>
<td class="tableblock halign-left valign-top" ><p class="tableblock monospaced">Execute arbitrary scheme code</p></td>
<td class="tableblock halign-left valign-top" ><p class="tableblock monospaced">Any valid scheme</p></td>
<td class="tableblock halign-left valign-top" ><p class="tableblock monospaced">Value returned from the call is converted to a string and processed as part of the config file</p></td>
</tr>
<tr>
<td class="tableblock halign-center valign-top" ><p class="tableblock">#{system command}</p></td>
<td class="tableblock halign-left valign-top" ><p class="tableblock monospaced">Execute program, inserts exit code</p></td>
<td class="tableblock halign-left valign-top" ><p class="tableblock monospaced">Any valid Unix command</p></td>
<td class="tableblock halign-left valign-top" ><p class="tableblock monospaced">Discards the output from the program</p></td>
</tr>
<tr>
<td class="tableblock halign-center valign-top" ><p class="tableblock">#{shell  command} or #{sh &#8230;}</p></td>
<td class="tableblock halign-left valign-top" ><p class="tableblock monospaced">Execute program, inserts result from stdout</p></td>
<td class="tableblock halign-left valign-top" ><p class="tableblock monospaced">Any valid Unix command</p></td>
<td class="tableblock halign-left valign-top" ><p class="tableblock monospaced">Value returned from the call is converted to a string and processed as part of the config file</p></td>
</tr>
<tr>
<td class="tableblock halign-center valign-top" ><p class="tableblock">#{realpath path} or #{rp &#8230;}</p></td>
<td class="tableblock halign-left valign-top" ><p class="tableblock monospaced">Replace with normalized path</p></td>
<td class="tableblock halign-left valign-top" ><p class="tableblock monospaced">Must be a valid path</p></td>
<td class="tableblock halign-left valign-top" ><p class="tableblock monospaced"></p></td>
</tr>
<tr>
<td class="tableblock halign-center valign-top" ><p class="tableblock">#{getenv VAR} or #{gv VAR}</p></td>
<td class="tableblock halign-left valign-top" ><p class="tableblock monospaced">Replace with content of env variable</p></td>
<td class="tableblock halign-left valign-top" ><p class="tableblock monospaced">Must be a valid var</p></td>
<td class="tableblock halign-left valign-top" ><p class="tableblock monospaced"></p></td>
</tr>
<tr>
<td class="tableblock halign-center valign-top" ><p class="tableblock">#{get s v} or #{g s v}</p></td>
<td class="tableblock halign-left valign-top" ><p class="tableblock monospaced">Replace with variable v from section s</p></td>
<td class="tableblock halign-left valign-top" ><p class="tableblock monospaced">Variable must be defined before use</p></td>
<td class="tableblock halign-left valign-top" ><p class="tableblock monospaced"></p></td>
</tr>
<tr>
<td class="tableblock halign-center valign-top" ><p class="tableblock">#{rget v}</p></td>
<td class="tableblock halign-left valign-top" ><p class="tableblock monospaced">Replace with variable v from target or default of runconfigs file</p></td>
<td class="tableblock halign-left valign-top" ><p class="tableblock monospaced"></p></td>
<td class="tableblock halign-left valign-top" ><p class="tableblock monospaced"></p></td>
</tr>
<tr>
<td class="tableblock halign-center valign-top" ><p class="tableblock"></p></td>
<td class="tableblock halign-left valign-top" ><p class="tableblock monospaced">Replace with the path to the megatest testsuite area</p></td>
<td class="tableblock halign-left valign-top" ><p class="tableblock monospaced"></p></td>
<td class="tableblock halign-left valign-top" ><p class="tableblock monospaced"></p></td>
</tr>
</tbody>
</table>
</div>
<div class="sect2">
<h3 id="_config_file_settings">Config File Settings</h3>
<div class="paragraph"><p>Settings in megatest.config</p></div>
</div>
<div class="sect2">
<h3 id="_config_file_additional_features">Config File Additional Features</h3>
<div class="paragraph"><p>Including output from a script as if it was inline to the config file:</p></div>
<div class="listingblock">
<div class="content monospaced">
<pre>[scriptinc myscript.sh]</pre>
</div></div>
<div class="paragraph"><p>If the script outputs:</p></div>
<div class="listingblock">
<div class="content monospaced">
<pre>[items]
A a b c
B d e f</pre>
</div></div>
<div class="paragraph"><p>Then the config file would effectively appear to contain an items section
exactly like the output from the script. This is useful when dynamically
creating items, itemstables and other config structures. You can see the
expansion of the call by looking in the cached files (look in your linktree
for megatest.config and runconfigs.config cache files and in your test run
areas for the expanded and cached testconfig).</p></div>
<div class="paragraph"><p>Wildcards and regexes in Targets</p></div>
<div class="listingblock">
<div class="content monospaced">
<pre>[a/2/b]
VAR1 VAL1

[a/%/b]
VAR1 VAL2</pre>
</div></div>
<div class="paragraph"><p>Will result in:</p></div>
<div class="listingblock">
<div class="content monospaced">
<pre>[a/2/b]
VAR1 VAL2</pre>
</div></div>
<div class="paragraph"><p>Can use either wildcard of "%" or a regular expression:</p></div>
<div class="listingblock">
<div class="content monospaced">
<pre>[/abc.*def/]</pre>
</div></div>
</div>
<div class="sect2">
<h3 id="_disk_space_checks">Disk Space Checks</h3>
<div class="paragraph"><p>Some parameters you can put in the [setup] section of megatest.config:</p></div>
<div class="listingblock">
<div class="content monospaced">
<pre># minimum space required in a run disk
minspace 10000000

# minimum space required in dbdir:
dbdir-space-required 100000

# script that takes path as parameter and returns number of bytes available:
free-space-script check-space.sh</pre>
</div></div>
</div>
<div class="sect2">
<h3 id="_trim_trailing_spaces">Trim trailing spaces</h3>
<div class="admonitionblock">
<table><tr>
<td class="icon">
<img src="/usr/images/icons/note.png" alt="Note">
</td>
<td class="content">As of Megatest version v1.6548 trim-trailing-spaces defaults to yes.</td>
</tr></table>
</div>
<div class="listingblock">
<div class="content monospaced">
<pre>[configf:settings trim-trailing-spaces no]
#                 |&lt;== next line padded with spaces to here
DEFAULT_INDENT
[configf:settings trim-trailing-spaces no]</pre>
</div></div>
<div class="paragraph"><p>The variable DEFAULT_INDENT would be a string of 3 spaces</p></div>
</div>
<div class="sect2">
<h3 id="_job_submission_control">Job Submission Control</h3>
<div class="sect3">
<h4 id="_submit_jobs_to_host_types_based_on_test_name_2">Submit jobs to Host Types based on Test Name</h4>
<div class="listingblock">
<div class="title">In megatest.config</div>
<div class="content monospaced">
<pre>[host-types]
general   nbfake
remote    bsub

[launchers]
runfirst/sum% remote
% general

[jobtools]
launcher bsub
# if defined and not "no" flexi-launcher will bypass launcher unless
# there is no host-type match.
flexi-launcher yes</pre>
</div></div>
<div class="sect4">
<h5 id="_host_types">host-types</h5>
<div class="paragraph"><p>List of host types and the commandline to run a job on that host type.</p></div>
<div class="listingblock">
<div class="title">host-type &#8658; launch command</div>
<div class="content monospaced">
<pre>general nbfake</pre>
</div></div>
</div>
<div class="sect4">
<h5 id="_launchers">launchers</h5>
<div class="listingblock">
<div class="title">test/itempath &#8658; host-type</div>
<div class="content monospaced">
<pre>runfirst/sum% remote</pre>
</div></div>
</div>
<div class="sect4">
<h5 id="_miscellaneous_setup_items">Miscellaneous Setup Items</h5>
<div class="paragraph"><p>Attempt to rerun tests in "STUCK/DEAD", "n/a", "ZERO_ITEMS" states.</p></div>
<div class="listingblock">
<div class="title">In megatest.config</div>
<div class="content monospaced">
<pre>[setup]
reruns 5</pre>
</div></div>
<div class="paragraph"><p>Replace the default blacklisted environment variables with user supplied
list.</p></div>
<div class="paragraph"><p>Default list: USER HOME DISPLAY LS_COLORS XKEYSYMDB EDITOR MAKEFLAGS MAKEF MAKEOVERRIDES</p></div>
<div class="paragraph"><div class="title">Add a "bad" variable "PROMPT" to the variables that will be commented out</div><p>in the megatest.sh and megatest.csh files:</p></div>
<div class="listingblock">
<div class="content monospaced">
<pre>[setup]
blacklistvars USER HOME DISPLAY LS_COLORS XKEYSYMDB EDITOR MAKEFLAGS PROMPT</pre>
</div></div>
</div>
<div class="sect4">
<h5 id="_run_time_limit">Run time limit</h5>
<div class="listingblock">
<div class="content monospaced">
<pre>[setup]
# this will automatically kill the test if it runs for more than 1h 2m and 3s
runtimelim 1h 2m 3s</pre>
</div></div>
</div>
<div class="sect4">
<h5 id="_post_run_hook">Post Run Hook</h5>
<div class="paragraph"><p>This runs script to-run.sh after all tests have been completed. It is
not necessary to use -run-wait as each test will check for other
running tests on completion and if there are none it will call the
post run hook.</p></div>
<div class="paragraph"><p>Note that the output from the script call will be placed in a log file
in the logs directory with a file name derived by replacing / with _
in post-hook-&lt;target&gt;-&lt;runname&gt;.log.</p></div>
<div class="listingblock">
<div class="content monospaced">
<pre>[runs]
post-hook /path/to/script/to-run.sh</pre>
</div></div>
</div>
</div>
</div>
<div class="sect2">
<h3 id="_tests_browser_view">Tests browser view</h3>
<div class="paragraph"><p>The tests browser (see the Run Control tab on the dashboard) has two views for displaying the tests.</p></div>
<div class="olist arabic"><ol class="arabic">
<li>
<p>
Dot (graphviz) based tree
</p>
</li>
<li>
<p>
No dot, plain listing
</p>
</li>
</ol></div>
<div class="paragraph"><p>The default is the graphviz based tree but if your tests don&#8217;t view
well in that mode then use "nodot" to turn it off.</p></div>
<div class="listingblock">
<div class="content monospaced">
<pre>[setup]
nodot</pre>
</div></div>
</div>
<div class="sect2">
<h3 id="_capturing_test_data">Capturing Test Data</h3>
<div class="paragraph"><p>In a test you can capture arbitrary variables and roll them up in the
megatest database for viewing on the dashboard or web app.</p></div>
<div class="listingblock">
<div class="title">In a test as a script</div>
<div class="content monospaced">
<pre>$MT_MEGATEST -load-test-data &lt;&lt; EOF
foo,bar,   1.2,  1.9, &gt;
foo,rab, 1.0e9, 10e9, 1e9
foo,bla,   1.2,  1.9, &lt;
foo,bal,   1.2,  1.2, &lt;   ,     ,Check for overload
foo,alb,   1.2,  1.2, &lt;=  , Amps,This is the high power circuit test
foo,abl,   1.2,  1.3, 0.1
foo,bra,   1.2, pass, silly stuff
faz,bar,    10,  8mA,     ,     ,"this is a comment"
EOF</pre>
</div></div>
<div class="paragraph"><p>Alternatively you can use logpro triggers to capture values and inject them
into megatest using the -set-values mechanism:</p></div>
<div class="listingblock">
<div class="title">Megatest help related to -set-values</div>
<div class="content monospaced">
<pre>Test data capture
  -set-values             : update or set values in the testdata table
  :category               : set the category field (optional)
  :variable               : set the variable name (optional)
  :value                  : value measured (required)
  :expected               : value expected (required)
  :tol                    : |value-expect| &lt;= tol (required, can be &lt;, &gt;, &gt;=, &lt;= or number)
  :units                  : name of the units for value, expected_value etc. (optional)</pre>
</div></div>
</div>
<div class="sect2">
<h3 id="_dashboard_settings">Dashboard settings</h3>
<div class="listingblock">
<div class="title">Runs tab buttons, font and size</div>
<div class="content monospaced">
<pre>[dashboard]
btn-height x14
btn-fontsz 10
cell-width 60</pre>
</div></div>
</div>
<div class="sect2">
<h3 id="_database_settings">Database settings</h3>
<table class="tableblock frame-topbot grid-all"
style="
width:70%;
">
<caption class="title">Table 5. Database config settings in [setup] section of megatest.config</caption>
<col style="width:14%;">
<col style="width:28%;">
<col style="width:28%;">
<col style="width:28%;">
<thead>
<tr>
<th class="tableblock halign-center valign-top" >Var                       </th>
<th class="tableblock halign-left valign-top" > Purpose            </th>
<th class="tableblock halign-left valign-top" > Valid values            </th>
<th class="tableblock halign-left valign-top" > Comments</th>
</tr>
</thead>
<tbody>
<tr>
<td class="tableblock halign-center valign-top" ><p class="tableblock">delay-on-busy</p></td>
<td class="tableblock halign-left valign-top" ><p class="tableblock monospaced">Prevent concurrent access issues</p></td>
<td class="tableblock halign-left valign-top" ><p class="tableblock monospaced">yes|no or not defined</p></td>
<td class="tableblock halign-left valign-top" ><p class="tableblock monospaced">Default=no, may help on some network file systems, may slow things down also.</p></td>
</tr>
<tr>
<td class="tableblock halign-center valign-top" ><p class="tableblock">faststart</p></td>
<td class="tableblock halign-left valign-top" ><p class="tableblock monospaced">All direct file access to sqlite db files</p></td>
<td class="tableblock halign-left valign-top" ><p class="tableblock monospaced">yes|no or not defined</p></td>
<td class="tableblock halign-left valign-top" ><p class="tableblock monospaced">Default=yes, suggest no for central automated systems and yes for interactive use</p></td>
</tr>
<tr>
<td class="tableblock halign-center valign-top" ><p class="tableblock">homehost</p></td>
<td class="tableblock halign-left valign-top" ><p class="tableblock monospaced">Start servers on this host</p></td>
<td class="tableblock halign-left valign-top" ><p class="tableblock monospaced">&lt;hostname&gt;</p></td>
<td class="tableblock halign-left valign-top" ><p class="tableblock monospaced">Defaults to local host</p></td>
</tr>
<tr>
<td class="tableblock halign-center valign-top" ><p class="tableblock">hostname</p></td>
<td class="tableblock halign-left valign-top" ><p class="tableblock monospaced">Hostname to bind to</p></td>
<td class="tableblock halign-left valign-top" ><p class="tableblock monospaced">&lt;hostname&gt;|-</p></td>
<td class="tableblock halign-left valign-top" ><p class="tableblock monospaced">On multi-homed hosts allows binding to specific hostname</p></td>
</tr>
<tr>
<td class="tableblock halign-center valign-top" ><p class="tableblock">lowport</p></td>
<td class="tableblock halign-left valign-top" ><p class="tableblock monospaced">Start searching for a port at this portnum</p></td>
<td class="tableblock halign-left valign-top" ><p class="tableblock monospaced">32768</p></td>
<td class="tableblock halign-left valign-top" ><p class="tableblock monospaced"></p></td>
</tr>
<tr>
<td class="tableblock halign-center valign-top" ><p class="tableblock">required</p></td>
<td class="tableblock halign-left valign-top" ><p class="tableblock monospaced">Server required</p></td>
<td class="tableblock halign-left valign-top" ><p class="tableblock monospaced">yes|no or not defined</p></td>
<td class="tableblock halign-left valign-top" ><p class="tableblock monospaced">Default=no, force start of server always</p></td>
</tr>
<tr>
<td class="tableblock halign-center valign-top" ><p class="tableblock">server-query-threshold</p></td>
<td class="tableblock halign-left valign-top" ><p class="tableblock monospaced">Start server when queries take longer than this</p></td>
<td class="tableblock halign-left valign-top" ><p class="tableblock monospaced">number in milliseconds</p></td>
<td class="tableblock halign-left valign-top" ><p class="tableblock monospaced">Default=300</p></td>
</tr>
<tr>
<td class="tableblock halign-center valign-top" ><p class="tableblock">timeout</p></td>
<td class="tableblock halign-left valign-top" ><p class="tableblock monospaced">http api timeout</p></td>
<td class="tableblock halign-left valign-top" ><p class="tableblock monospaced">number in hours</p></td>
<td class="tableblock halign-left valign-top" ><p class="tableblock monospaced">Default is 1 minute, do not change</p></td>
</tr>
</tbody>
</table>
</div>
</div>
</div>
<div class="sect1">
<h2 id="_the_testconfig_file">The testconfig File</h2>
<div class="sectionbody">
<div class="sect2">
<h3 id="_setup_section">Setup section</h3>
<div class="sect3">
<h4 id="_header">Header</h4>
<div class="listingblock">
<div class="content monospaced">
<pre>[setup]</pre>
</div></div>
<div class="paragraph"><p>The runscript method is a brute force way to run scripts where the
user is responsible for setting STATE and STATUS</p></div>
<div class="listingblock">
<div class="content monospaced">
<pre>runscript main.csh</pre>
</div></div>
</div>
</div>
<div class="sect2">
<h3 id="_iteration">Iteration</h3>
<div class="listingblock">
<div class="title">Sections for iteration</div>
<div class="content monospaced">
<pre># full combinations
[items]
A x y
B 1 2

# Yields: x/1 x/2 y/1 y/2

# tabled
[itemstable]
A x y
B 1 2

# Yields x/1 y/2</pre>
</div></div>
<div class="listingblock">
<div class="title">Or use files</div>
<div class="content monospaced">
<pre>[itemopts]
slash path/to/file/with/items
# or
space path/to/file/with/items</pre>
</div></div>
<div class="listingblock">
<div class="title">File format for / delimited</div>
<div class="content monospaced">
<pre>key1/key2/key3
val1/val2/val2
...</pre>
</div></div>
<div class="listingblock">
<div class="title">File format for space delimited</div>
<div class="content monospaced">
<pre>key1 key2 key3
val1 val2 val2
...</pre>
</div></div>
</div>
<div class="sect2">
<h3 id="_requirements_section">Requirements section</h3>
<div class="listingblock">
<div class="title">Header</div>
<div class="content monospaced">
<pre>[requirements]</pre>
</div></div>
</div>
<div class="sect2">
<h3 id="_wait_on_other_tests">Wait on Other Tests</h3>
<div class="listingblock">
<div class="content monospaced">
<pre># A normal waiton waits for the prior tests to be COMPLETED
# and PASS, CHECK or WAIVED
waiton test1 test2</pre>
</div></div>
<div class="admonitionblock">
<table><tr>
<td class="icon">
<img src="/usr/images/icons/note.png" alt="Note">
</td>
<td class="content">Dynamic waiton lists must be capable of being calculated at the
beginning of a run. This is because Megatest walks the tree of waitons
to create the list of tests to execute.</td>
</tr></table>
</div>
<div class="listingblock">
<div class="title">This works</div>
<div class="content monospaced">
<pre>waiton [system somescript.sh]</pre>
</div></div>
<div class="listingblock">
<div class="title">This does NOT work (the full context for the test is not available so #{shell &#8230;} is NOT enabled to evaluate.</div>
<div class="content monospaced">
<pre>waiton #{shell somescript.sh}</pre>
</div></div>
<div class="listingblock">
<div class="title">This does NOT work</div>
<div class="content monospaced">
<pre>waiton [system somescript_that_depends_on_a_prior_test.sh]</pre>
</div></div>
</div>
<div class="sect2">
<h3 id="_mode">Mode</h3>
<div class="paragraph"><p>The default (i.e. if mode is not specified) is normal. All pre-dependent tests
must be COMPLETED and PASS, CHECK or WAIVED before the test will start</p></div>
<div class="listingblock">
<div class="content monospaced">
<pre>[requirements]
mode   normal</pre>
</div></div>
<div class="paragraph"><p>The toplevel mode requires only that the prior tests are COMPLETED.</p></div>
<div class="listingblock">
<div class="content monospaced">
<pre>[requirements]
mode toplevel</pre>
</div></div>
<div class="paragraph"><p>A item based waiton will start items in a test when the same-named
item is COMPLETED and PASS, CHECK or WAIVED in the prior test. This
was historically called "itemwait" mode. The terms "itemwait" and
"itemmatch" are synonyms.</p></div>
<div class="listingblock">
<div class="content monospaced">
<pre>[requirements]
mode itemmatch</pre>
</div></div>
</div>
<div class="sect2">
<h3 id="_overriding_enviroment_variables">Overriding Enviroment Variables</h3>
<div class="paragraph"><p>Override variables before starting the test. Can include files (perhaps generated by megatest -envdelta or similar).</p></div>
<div class="listingblock">
<div class="content monospaced">
<pre>[pre-launch-env-vars]
VAR1 value1

# Get some generated settings
[include ../generated-vars.config]

# Use this trick to unset variables
#{scheme (unsetenv "FOOBAR")}</pre>
</div></div>
</div>
<div class="sect2">
<h3 id="_itemmap_handling">Itemmap Handling</h3>
<div class="paragraph"><p>For cases were the dependent test has a similar but not identical
itempath to the downstream test an itemmap can allow for itemmatch
mode</p></div>
<div class="listingblock">
<div class="title">example for removing part of itemmap for waiton test (eg: item <span class="monospaced">foo-x/bar</span> depends on waiton&#8217;s item <span class="monospaced">y/bar</span>)</div>
<div class="content monospaced">
<pre>[requirements]
mode itemwait
# itemmap &lt;item pattern for this test&gt;  &lt;item replacement pattern for waiton test&gt;
itemmap .*x/ y/</pre>
</div></div>
<div class="listingblock">
<div class="title">example for removing part of itemmap for waiton test (eg: item <span class="monospaced">foo/bar/baz</span> in this test depends on waiton&#8217;s item <span class="monospaced">baz</span>)</div>
<div class="content monospaced">
<pre># ## pattern replacement notes
#
# ## Example
# ## Remove everything up to the last /
[requirements]
mode itemwait
# itemmap &lt;item pattern for this test&gt; &lt;nothing here indicates removal&gt;
itemmap .*/</pre>
</div></div>
<div class="listingblock">
<div class="title">example replacing part of itemmap for (eg: item <span class="monospaced">foo/1234</span> will imply waiton&#8217;s item <span class="monospaced">bar/1234</span>)</div>
<div class="content monospaced">
<pre>#
# ## Example
# ## Replace foo/ with bar/
[requirements]
mode itemwait
# itemmap &lt;item pattern for this test&gt;  &lt;item replacement pattern for waiton test&gt;
itemmap foo/ bar/</pre>
</div></div>
<div class="listingblock">
<div class="title">example for backreference (eg: item <span class="monospaced">foo23/thud</span> will imply waiton&#8217;s item <span class="monospaced">num-23/bar/thud</span></div>
<div class="content monospaced">
<pre>#
# ## Example
# ## can use \{number} in replacement pattern to backreference a (capture) from matching pattern similar to sed or perl
[requirements]
mode itemwait
# itemmap &lt;item pattern for this test&gt;  &lt;item replacement pattern for waiton test&gt;
itemmap foo(\d+)/ num-\1/bar/</pre>
</div></div>
<div class="listingblock">
<div class="title">example multiple itemmaps</div>
<div class="content monospaced">
<pre># multi-line; matches are applied in the listed order
# The following would map:
#   a123b321 to b321fooa123 then to 321fooa123p
#
[requirements]
itemmap (a\d+)(b\d+) \2foo\1
  b(.*) \1p</pre>
</div></div>
</div>
<div class="sect2">
<h3 id="_complex_mapping">Complex mapping</h3>
<div class="paragraph"><p>Complex mappings can be handled with a separate [itemmap] section (instead if an itemmap line in the [requirements] section)</p></div>
<div class="paragraph"><p>Each line in an itemmap section starts with a waiton test name followed by an itemmap expression</p></div>
<div class="listingblock">
<div class="title">eg: The following causes waiton test A item <span class="monospaced">bar/1234</span> to run when our test&#8217;s <span class="monospaced">foo/1234</span> item is requested as well as causing waiton test B&#8217;s <span class="monospaced">blah</span> item to run when our test&#8217;s <span class="monospaced">stuff/blah</span> item is requested</div>
<div class="content monospaced">
<pre>[itemmap]
A foo/ bar/
B stuff/</pre>
</div></div>
</div>
<div class="sect2">
<h3 id="_complex_mapping_example">Complex mapping example</h3>
<div class="imageblock">
<div class="content">
<img src="complex-itemmap.png" alt="complex-itemmap.png">
</div>
</div>
<div class="paragraph"><p>We accomplish this by configuring the testconfigs of our tests C D and E as follows:</p></div>
<div class="listingblock">
<div class="title">Testconfig for Test E has</div>
<div class="content monospaced">
<pre>[requirements]
waiton C
itemmap (\d+)/res \1/bb</pre>
</div></div>
<div class="listingblock">
<div class="title">Testconfig for Test D has</div>
<div class="content monospaced">
<pre>[requirements]
waiton C
itemmap (\d+)/res \1/aa</pre>
</div></div>
<div class="listingblock">
<div class="title">Testconfig for Test C has</div>
<div class="content monospaced">
<pre>[requirements]
waiton A B

[itemmap]
A (\d+)/aa aa/\1
B (\d+)/bb bb/\1</pre>
</div></div>
<div class="listingblock">
<div class="title">Testconfigs for Test B and Test A have no waiton or itemmap configured</div>
<div class="content monospaced">
<pre></pre>
</div></div>
<div class="olist arabic"><div class="title">Walk through one item&#8201;&#8212;&#8201;we want the following to happen for testpatt <span class="monospaced">D/1/res</span> (see blue boxes in complex itemmaping figure above):</div><ol class="arabic">
<li>
<p>
eg from command line <span class="monospaced">megatest -run -testpatt D/1/res -target mytarget -runname myrunname</span>
</p>
</li>
<li>
<p>
Full list to be run is now: <span class="monospaced">D/1/res</span>
</p>
</li>
<li>
<p>
Test D has a waiton - test C.  Test D&#8217;s itemmap rule <span class="monospaced">itemmap (\d&plus;)/res \1/aa</span> &#8594;  causes <span class="monospaced">C/1/aa</span> to run before <span class="monospaced">D/1/res</span>
</p>
</li>
<li>
<p>
Full list to be run is now: <span class="monospaced">D/1/res</span>, <span class="monospaced">C/1/aa</span>
</p>
</li>
<li>
<p>
Test C was a waiton - test A. Test C&#8217;s rule <span class="monospaced">A (\d&plus;)/aa aa/\1</span> &#8594; causes <span class="monospaced">A/aa/1</span> to run before <span class="monospaced">C/1/aa</span>
</p>
</li>
<li>
<p>
Full list to be run is now: <span class="monospaced">D/1/res</span>, <span class="monospaced">C/1/aa</span>, <span class="monospaced">A/aa/1</span>
</p>
</li>
<li>
<p>
Test A has no waitons.  All waitons of all tests in full list have been processed.  Full list is finalized.
</p>
</li>
</ol></div>
</div>
<div class="sect2">
<h3 id="_itemstable">itemstable</h3>
<div class="paragraph"><p>An alternative to defining items is the itemstable section.  This lets you define the itempath in a table format rather than specifying components and relying on getting all permutations of those components.</p></div>
</div>
<div class="sect2">
<h3 id="_dynamic_flow_dependency_tree">Dynamic Flow Dependency Tree</h3>
<div class="listingblock">
<div class="title">Autogeneration waiton list for dynamic flow dependency trees</div>
<div class="content monospaced">
<pre>[requirements]
# With a toplevel test you may wish to generate your list
# of tests to run dynamically
#
waiton #{shell get-valid-tests-to-run.sh}</pre>
</div></div>
</div>
<div class="sect2">
<h3 id="_run_time_limit_2">Run time limit</h3>
<div class="listingblock">
<div class="content monospaced">
<pre>[requirements]
runtimelim 1h 2m 3s  # this will automatically kill the test if it runs for more than 1h 2m and 3s</pre>
</div></div>
</div>
<div class="sect2">
<h3 id="_skip">Skip</h3>
<div class="paragraph"><p>A test with a skip section will conditional skip running.</p></div>
<div class="listingblock">
<div class="title">Skip section example</div>
<div class="content monospaced">
<pre>[skip]
prevrunning x
# rundelay 30m 15s</pre>
</div></div>
</div>
<div class="sect2">
<h3 id="_skip_on_still_running_tests">Skip on Still-running Tests</h3>
<div class="listingblock">
<div class="content monospaced">
<pre># NB// If the prevrunning line exists with *any* value the test will
# automatically SKIP if the same-named test is currently RUNNING. The
# "x" can be any string. Comment out the prevrunning line to turn off
# skip.

[skip]
prevrunning x</pre>
</div></div>
</div>
<div class="sect2">
<h3 id="_skip_if_a_file_exists">Skip if a File Exists</h3>
<div class="listingblock">
<div class="content monospaced">
<pre>[skip]
fileexists /path/to/a/file # skip if /path/to/a/file exists</pre>
</div></div>
</div>
<div class="sect2">
<h3 id="_skip_if_a_file_does_not_exist">Skip if a File Does not Exist</h3>
<div class="listingblock">
<div class="content monospaced">
<pre>[skip]
filenotexists /path/to/a/file # skip if /path/to/a/file does not exist</pre>
</div></div>
</div>
<div class="sect2">
<h3 id="_skip_if_a_script_completes_with_0_status">Skip if a script completes with 0 status</h3>
<div class="listingblock">
<div class="content monospaced">
<pre>[skip]
script /path/to/a/script # skip if /path/to/a/script completes with 0 status</pre>
</div></div>
</div>
<div class="sect2">
<h3 id="_skip_if_test_ran_more_recently_than_specified_time">Skip if test ran more recently than specified time</h3>
<div class="listingblock">
<div class="title">Skip if this test has been run in the past fifteen minutes and 15 seconds.</div>
<div class="content monospaced">
<pre>[skip]
rundelay 15m 15s</pre>
</div></div>
</div>
<div class="sect2">
<h3 id="_disks">Disks</h3>
<div class="paragraph"><p>A disks section in testconfig will override the disks section in
megatest.config. This can be used to allocate disks on a per-test or per item
basis.</p></div>
</div>
<div class="sect2">
<h3 id="_controlled_waiver_propagation">Controlled waiver propagation</h3>
<div class="paragraph"><p>If test is FAIL and previous test in run with same MT_TARGET is WAIVED
or if the test/itempath is listed under the matching target in the
waivers roll forward file (see below for file spec) then apply the
following rules from the testconfig: If a waiver check is specified in
the testconfig apply the check and if it passes then set this FAIL to
WAIVED</p></div>
<div class="paragraph"><p>Waiver check has two parts, 1) a list of waiver, rulename,
filepatterns and 2) the rulename script spec (note that "diff" and
"logpro" are predefined)</p></div>
<div class="listingblock">
<div class="content monospaced">
<pre>###### EXAMPLE FROM testconfig #########
# matching file(s) will be diff'd with previous run and logpro applied
# if PASS or WARN result from logpro then WAIVER state is set
#
[waivers]
# logpro_file    rulename      input_glob
waiver_1         logpro        lookittmp.log

[waiver_rules]

# This builtin rule is the default if there is no &lt;waivername&gt;.logpro file
# diff   diff %file1% %file2%

# This builtin rule is applied if a &lt;waivername&gt;.logpro file exists
# logpro diff %file1% %file2% | logpro %waivername%.logpro %waivername%.html</pre>
</div></div>
<div class="sect3">
<h4 id="_waiver_roll_forward_files">Waiver roll-forward files</h4>
<div class="paragraph"><p>To transfer waivers from one Megatest area to another it is possible
to dump waivers into a file and reference that file in another area.</p></div>
<div class="listingblock">
<div class="title">Dumping the waivers</div>
<div class="content monospaced">
<pre>megatest -list-waivers -runname %-a &gt; mywaivers.dat</pre>
</div></div>
<div class="listingblock">
<div class="title">Referencing the saved waivers</div>
<div class="content monospaced">
<pre># In megatest.config, all files listed will be loaded - recomended to use
# variables to select directorys to minimize what gets loaded.
[setup]
waivers-dirs /path/to/waiver/files /another/path/to/waiver/files</pre>
</div></div>
<div class="listingblock">
<div class="title">Waiver files format</div>
<div class="content monospaced">
<pre>[the/target/here]
# comments are fine
testname1/itempath A comment about why it was waived
testname2          A comment for a non-itemized test</pre>
</div></div>
</div>
</div>
<div class="sect2">
<h3 id="_ezsteps">Ezsteps</h3>
<div class="listingblock">
<div class="title">Example ezsteps with logpro rules</div>
<div class="content monospaced">
<pre>[ezsteps]
lookittmp   ls /tmp

[logpro]
lookittmp ;; Note: config file format supports multi-line entries where leading whitespace is removed from each line
  ;;     a blank line indicates the end of the block of text
  (expect:required in "LogFileBody" &gt; 0 "A file name that should never exist!" #/This is a awfully stupid file name that should never be found in the temp dir/)</pre>
</div></div>
<div class="paragraph"><p>To transfer the environment to the next step you can do the following:
# if your upstream file is csh you can force csh like this
# if your upstream is bash
loadenv     source $REF/ourenviron.sh</p></div>
<div class="listingblock">
<div class="title">Propagate environment to next step</div>
<div class="content monospaced">
<pre>$MT_MEGATEST -env2file .ezsteps/${stepname}</pre>
</div></div>
</div>
<div class="sect2">
<h3 id="_scripts">Scripts</h3>
<div class="listingblock">
<div class="title">Specifying scripts inline (best used for only simple scripts)</div>
<div class="content monospaced">
<pre>[scripts]
loaddb #!/bin/bash
  sqlite3 $1 &lt;&lt;EOF
  .mode tabs
  .import $2 data
  .q
  EOF</pre>
</div></div>
<div class="paragraph"><p>The above snippet results in the creation of an executable script
called "loaddb" in the test directory. NOTE: every line in the script
must be prefixed with the exact same number of spaces. Lines beginning
with a # will not work as expected. Currently you cannot indent
intermediate lines.</p></div>
<div class="listingblock">
<div class="title">Full example with ezsteps, logpro rules, scripts etc.</div>
<div class="content monospaced">
<pre># You can include a common file
#
[include #{getenv MT_RUN_AREA_HOME}/global-testconfig.inc]

# Use "var" for a scratch pad
#
[var]
dumpsql select * from data;
sepstr .....................................

# NOT IMPLEMENTED YET!
#
[ezsteps-addendum]
prescript something.sh
postscript something2.sh

# Add additional steps here. Format is "stepname script"
[ezsteps]
importdb loaddb prod.db prod.sql
dumpprod dumpdata prod.db "#{get var dumpsql}"
diff (echo "prod#{get var sepstr}test";diff --side-by-side \
     dumpprod.log reference.log ;echo DIFFDONE)

[scripts]
loaddb #!/bin/bash
  sqlite3 $1 &lt;&lt;EOF
  .mode tabs
  .import $2 data
  .q
  EOF

dumpdata #!/bin/bash
  sqlite3 $1 &lt;&lt;EOF
  .separator ,
  $2
  .q
  EOF

# Test requirements are specified here
[requirements]
waiton setup
priority 0

# Iteration for your test is controlled by the items section
# The complicated if is needed to allow processing of the config for the dashboard when there are no actual runs.
[items]
THINGNAME [system generatethings.sh | sort -u]

# Logpro rules for each step can be captured here in the testconfig
# note: The ;; after the stepname and the leading whitespace are required
#
[logpro]
inputdb ;;
  (expect:ignore   in "LogFileBody"  &lt; 99 "Ignore error in comments"      #/^\/\/.*error/)
  (expect:warning  in "LogFileBody"  = 0 "Any warning"                    #/warn/)
  (expect:required in "LogFileBody"  &gt; 0 "Some data found"                #/^[a-z]{3,4}[0-9]+_r.*/)

diff ;;
  (expect:ignore   in "LogFileBody"  &lt; 99 "Ignore error in comments"      #/^\/\/.*error/)
  (expect:warning  in "LogFileBody"  = 0 "Any warning"                    #/warn/)
  (expect:error    in "LogFileBody"  = 0 "&lt; or &gt; indicate missing entry"  (list #/(&lt;|&gt;)/   #/error/i))
  (expect:error    in "LogFileBody"  = 0 "Difference in data"             (list #/\s+\|\s+/ #/error/i))
  (expect:required in "LogFileBody"  &gt; 0 "DIFFDONE Marker found"          #/DIFFDONE/)
  (expect:required in "LogFileBody"  &gt; 0 "Some things found"              #/^[a-z]{3,4}[0-9]+_r.*/)

# NOT IMPLEMENTED YET!
#
## Also: enhance logpro to take list of command files: file1,file2...
[waivers]
createprod{target=%78/%/%/%} ;;
  (disable:required "DIFFDONE Marker found")
  (disable:error    "Some error")
  (expect:waive  in "LogFileBody" &lt; 99 "Waive if failed due to version" #/\w+3\.6.*/)

# test_meta is a section for storing additional data on your test
[test_meta]
author matt
owner  matt
description Compare things
tags tagone,tagtwo
reviewed never</pre>
</div></div>
</div>
<div class="sect2">
<h3 id="_triggers">Triggers</h3>
<div class="paragraph"><p>In your testconfig or megatest.config triggers can be specified</p></div>
<div class="listingblock">
<div class="title">Triggers spec</div>
<div class="content monospaced">
<pre>[triggers]

# Call script running.sh when test goes to state=RUNNING, status=PASS
RUNNING/PASS running.sh

# Call script running.sh any time state goes to RUNNING
RUNNING/ running.sh

# Call script onpass.sh any time status goes to PASS
PASS/ onpass.sh</pre>
</div></div>
<div class="paragraph"><p>Scripts called will have; test-id test-rundir trigger test-name item-path state status event-time, added to the commandline.</p></div>
<div class="paragraph"><p>HINT</p></div>
<div class="paragraph"><p>To start an xterm (useful for debugging), use a command line like the following:</p></div>
<div class="listingblock">
<div class="title">Start an xterm using a trigger for test completed.</div>
<div class="content monospaced">
<pre>[triggers]
COMPLETED/ xterm -e bash -s --</pre>
</div></div>
<div class="admonitionblock">
<table><tr>
<td class="icon">
<img src="/usr/images/icons/note.png" alt="Note">
</td>
<td class="content">There is a trailing space after the double-dash</td>
</tr></table>
</div>
<div class="paragraph"><p>There are a number of environment variables available to the trigger script
but since triggers can be called in various contexts not all variables are
available at all times. The trigger script should check for the variable and
fail gracefully if it doesn&#8217;t exist.</p></div>
<table class="tableblock frame-topbot grid-all"
style="
width:90%;
">
<caption class="title">Table 6. Environment variables visible to the trigger script</caption>
<col style="width:50%;">
<col style="width:50%;">
<thead>
<tr>
<th class="tableblock halign-left valign-top" > Variable            </th>
<th class="tableblock halign-left valign-top" > Purpose</th>
</tr>
</thead>
<tbody>
<tr>
<td class="tableblock halign-left valign-top" ><p class="tableblock">MT_TEST_RUN_DIR</p></td>
<td class="tableblock halign-left valign-top" ><p class="tableblock">The directory where Megatest ran this test</p></td>
</tr>
<tr>
<td class="tableblock halign-left valign-top" ><p class="tableblock">MT_CMDINFO</p></td>
<td class="tableblock halign-left valign-top" ><p class="tableblock">Encoded command data for the test</p></td>
</tr>
<tr>
<td class="tableblock halign-left valign-top" ><p class="tableblock">MT_DEBUG_MODE</p></td>
<td class="tableblock halign-left valign-top" ><p class="tableblock">Used to pass the debug mode to nested calls to Megatest</p></td>
</tr>
<tr>
<td class="tableblock halign-left valign-top" ><p class="tableblock">MT_RUN_AREA_HOME</p></td>
<td class="tableblock halign-left valign-top" ><p class="tableblock">Megatest home area</p></td>
</tr>
<tr>
<td class="tableblock halign-left valign-top" ><p class="tableblock">MT_TESTSUITENAME</p></td>
<td class="tableblock halign-left valign-top" ><p class="tableblock">The name of this testsuite or area</p></td>
</tr>
<tr>
<td class="tableblock halign-left valign-top" ><p class="tableblock">MT_TEST_NAME</p></td>
<td class="tableblock halign-left valign-top" ><p class="tableblock">The name of this test</p></td>
</tr>
<tr>
<td class="tableblock halign-left valign-top" ><p class="tableblock">MT_ITEM_INFO</p></td>
<td class="tableblock halign-left valign-top" ><p class="tableblock">The variable and values for the test item</p></td>
</tr>
<tr>
<td class="tableblock halign-left valign-top" ><p class="tableblock">MT_MEGATEST</p></td>
<td class="tableblock halign-left valign-top" ><p class="tableblock">Which Megatest binary is being used by this area</p></td>
</tr>
<tr>
<td class="tableblock halign-left valign-top" ><p class="tableblock">MT_TARGET</p></td>
<td class="tableblock halign-left valign-top" ><p class="tableblock">The target variable values, separated by <em>/</em></p></td>
</tr>
<tr>
<td class="tableblock halign-left valign-top" ><p class="tableblock">MT_LINKTREE</p></td>
<td class="tableblock halign-left valign-top" ><p class="tableblock">The base of the link tree where all run tests can be found</p></td>
</tr>
<tr>
<td class="tableblock halign-left valign-top" ><p class="tableblock">MT_ITEMPATH</p></td>
<td class="tableblock halign-left valign-top" ><p class="tableblock">The values of the item path variables, separated by <em>/</em></p></td>
</tr>
<tr>
<td class="tableblock halign-left valign-top" ><p class="tableblock">MT_RUNNAME</p></td>
<td class="tableblock halign-left valign-top" ><p class="tableblock">The name of the run</p></td>
</tr>
</tbody>
</table>
</div>
<div class="sect2">
<h3 id="_override_the_toplevel_html_file">Override the Toplevel HTML File</h3>
<div class="paragraph"><p>Megatest generates a simple html file summary for top level tests of
iterated tests. The generation can be overridden. NOTE: the output of
the script is captured from stdout to create the html.</p></div>
<div class="listingblock">
<div class="title">For test "runfirst" override the toplevel generation with a script "mysummary.sh"</div>
<div class="content monospaced">
<pre># Override the rollup for specific tests
[testrollup]
runfirst mysummary.sh</pre>
</div></div>
</div>
</div>
</div>
<div class="sect1">
<h2 id="_archiving_setup">Archiving Setup</h2>
<div class="sectionbody">
<div class="paragraph"><p>In megatest.config add the following sections:</p></div>
<div class="listingblock">
<div class="title">megatest.config</div>
<div class="content monospaced">
<pre>[archive]
# where to get bup executable
# bup /path/to/bup

[archive-disks]

# Archives will be organised under these paths like this:
#  &lt;testsuite&gt;/&lt;creationdate&gt;
# Within the archive the data is structured like this:
#  &lt;target&gt;/&lt;runname&gt;/&lt;test&gt;/
archive0 /mfs/myarchive-data/adisk1</pre>
</div></div>
</div>
</div>
<div class="sect1">
<h2 id="_environment_variables">Environment Variables</h2>
<div class="sectionbody">
<div class="paragraph"><p>It is often necessary to capture and or manipulate environment
variables. Megatest has some facilities built in to help.</p></div>
<div class="sect2">
<h3 id="_capture_variables">Capture variables</h3>
<div class="listingblock">
<div class="title">Commands</div>
<div class="content monospaced">
<pre># capture the current enviroment into a db called envdat.db under
# the context "before"
megatest -envcap before

# capture the current environment into a db called startup.db with
# context "after"
megatest -envcap after startup.db

# write the diff from before to after
megatest -envdelta before-after -dumpmode bash</pre>
</div></div>
<div class="paragraph"><p>Dump modes include bash, csh and config. You can include config data
into megatest.config, runconfigs.config and testconfig files. This is
useful for capturing a complex environment in a special-purpose test
and then utilizing that environment in downstream tests.</p></div>
<div class="listingblock">
<div class="title">Example of generating and using config data</div>
<div class="content monospaced">
<pre>megatest -envcap original
# do some stuff here
megatest -envcap munged
megatest -envdelta original-munged -dumpmode ini -o modified.config</pre>
</div></div>
<div class="paragraph"><p>Then in runconfigs.config</p></div>
<div class="listingblock">
<div class="title">Example of using modified.config in a testconfig</div>
<div class="content monospaced">
<pre>[pre-launch-env-vars]
[include modified.config]</pre>
</div></div>
</div>
</div>
</div>
<div class="sect1">
<h2 id="_managing_old_runs">Managing Old Runs</h2>
<div class="sectionbody">
<div class="paragraph"><p>It is often desired to keep some older runs around but this must be balanced with the costs of disk space.</p></div>
<div class="olist arabic"><ol class="arabic">
<li>
<p>
Use -remove-keep
</p>
</li>
<li>
<p>
Use -archive (can also be done from the -remove-keep interface)
</p>
</li>
<li>
<p>
use -remove-runs with -keep-records
</p>
</li>
</ol></div>
<div class="listingblock">
<div class="title">For each target, remove all runs but the most recent 3 if they are over 1 week old</div>
<div class="content monospaced">
<pre># use -precmd 'sleep 5;nbfake' to limit overloading the host computer but to allow the removes to run in parallel.
megatest -actions print,remove-runs -remove-keep 3 -target %/%/%/% -runname % -age 1w -precmd 'sleep 5;nbfake'"</pre>
</div></div>
</div>
</div>
<div class="sect1">
<h2 id="_nested_runs">Nested Runs</h2>
<div class="sectionbody">
<div class="paragraph"><p>A Megatest test can run a full Megatest run in either the same
Megatest area or in another area. This is a powerful way of chaining
complex suites of tests and or actions.</p></div>
<div class="paragraph"><p>If you are not using the current area you can use ezsteps to retrieve
and setup the sub-Megatest run area.</p></div>
<div class="paragraph"><p>In the testconfig:</p></div>
<div class="listingblock">
<div class="content monospaced">
<pre>[subrun]

# Required: wait for the run or just launch it
#           if no then the run will be an automatic PASS irrespective of the actual result
run-wait yes|no

# Optional: where to execute the run. Default is the current runarea
run-area /some/path/to/megatest/area

# Optional: method to use to determine pass/fail status of the run
#   auto (default) - roll up the net state/status of the sub-run
#   logpro         - use the provided logpro rules, happens automatically if there is a logpro section
# passfail auto|logpro
# Example of logpro:
passfail logpro

# Optional:
logpro ;; if this section exists then logpro is used to determine pass/fail
  (expect:required in "LogFileBody" &gt;= 1 "At least one pass" #/PASS/)
  (expect:error     in "LogFileBody"  = 0 "No FAILs allowed"  #/FAIL/)

# Optional: target translator, default is to use the parent target
target #{shell somescript.sh}

# Optional: runname translator/generator, default is to use the parent runname
run-name #{somescript.sh}

# Optional: testpatt spec, default is to first look for TESTPATT spec from runconfigs unless there is a contour spec
test-patt %/item1,test2

# Optional: contour spec, use the named contour from the megatest.config contour spec
contour contourname ### NOTE: Not implemented yet! Let us know if you need this feature.

# Optional: mode-patt, use this spec for testpatt from runconfigs
mode-patt TESTPATT

# Optional: tag-expr, use this tag-expr to select tests
tag-expr quick

# Optional: (not yet implemented, remove-runs is always propagated at this time), propagate these actions from the parent
#           test
#   Note// default is % for all
propagate remove-runs archive ...</pre>
</div></div>
</div>
</div>
<div class="sect1">
<h2 id="_programming_api">Programming API</h2>
<div class="sectionbody">
<div class="paragraph"><p>These routines can be called from the megatest repl.</p></div>
<table class="tableblock frame-topbot grid-all"
style="
width:70%;
">
<caption class="title">Table 7. API Keys Related Calls</caption>
<col style="width:14%;">
<col style="width:28%;">
<col style="width:28%;">
<col style="width:28%;">
<thead>
<tr>
<th class="tableblock halign-center valign-top" >API Call                        </th>
<th class="tableblock halign-left valign-top" > Purpose comments   </th>
<th class="tableblock halign-left valign-top" > Returns                 </th>
<th class="tableblock halign-left valign-top" > Comments</th>
</tr>
</thead>
<tfoot>
<tr>
<td class="tableblock halign-center valign-top" ><p class="tableblock">(rmt:get-key-val-pairs run-id)</p></td>
<td class="tableblock halign-left valign-top" ><p class="tableblock monospaced"></p></td>
<td class="tableblock halign-left valign-top" ><p class="tableblock monospaced">#t=success/#f=fail</p></td>
<td class="tableblock halign-left valign-top" ><p class="tableblock monospaced">Works only if the server is still reachable</p></td>
</tr>
</tfoot>
<tbody>
<tr>
<td class="tableblock halign-center valign-top" ><p class="tableblock">(rmt:get-keys run-id)</p></td>
<td class="tableblock halign-left valign-top" ><p class="tableblock monospaced"></p></td>
<td class="tableblock halign-left valign-top" ><p class="tableblock monospaced">( key1 key2 &#8230; )</p></td>
<td class="tableblock halign-left valign-top" ><p class="tableblock monospaced"></p></td>
</tr>
</tbody>
</table>
</div>
</div>
<div class="sect1">
<h2 id="_test_plan">Test Plan</h2>
<div class="sectionbody">
<div class="sect2">
<h3 id="_tests">Tests</h3>
<div class="paragraph"><p>itemwait|33</p></div>
<div class="paragraph"><p>rerun-downstream-item|20</p></div>
<div class="paragraph"><p>rerunclean|20</p></div>
<div class="paragraph"><p>fullrun|18</p></div>
<div class="paragraph"><p>goodtests|18</p></div>
<div class="paragraph"><p>kill-rerun|17</p></div>
<div class="paragraph"><p>items-runconfigvars|16</p></div>
<div class="paragraph"><p>ro_test|16</p></div>
<div class="paragraph"><p>runconfig-tests|16</p></div>
<div class="paragraph"><p>env-pollution|13</p></div>
<div class="paragraph"><p>itemmap|11</p></div>
<div class="paragraph"><p>testpatt_envvar|10</p></div>
<div class="paragraph"><p>toprun|10</p></div>
<div class="paragraph"><p>chained-waiton|8</p></div>
<div class="paragraph"><p>skip-on-fileexists|8</p></div>
<div class="paragraph"><p>killrun_preqfail|7</p></div>
<div class="paragraph"><p>subrun|6</p></div>
<div class="paragraph"><p>dependencies|5</p></div>
<div class="paragraph"><p>itemwait-simple|4</p></div>
<div class="paragraph"><p>rollup|4</p></div>
<div class="paragraph"><p>end-of-run|3</p></div>
<div class="paragraph"><p>killrun|3</p></div>
<div class="paragraph"><p>listener|3</p></div>
<div class="paragraph"><p>test2|3</p></div>
<div class="paragraph"><p>testpatt|3</p></div>
<div class="paragraph"><p>env-pollution-usecacheno|2</p></div>
<div class="paragraph"><p>set-values|2
envvars|1
listruns-tests|1
subrun-usecases|1</p></div>
</div>
</div>
</div>
<div class="sect1">
<h2 id="_megatest_internals">Megatest Internals</h2>
<div class="sectionbody">
<div class="imageblock graphviz">
<div class="content">
<img src="server.png" alt="server.png">
</div>
</div>
</div>
</div>
<div class="sect1">
<h2 id="_index">Index</h2>
<div class="sectionbody">
</div>
</div>
</div>
<div id="footnotes"><hr></div>
<div id="footer">
<div id="footer-text">
Version 1.5<br>
Last updated
 2023-01-23 11:18:29 EST
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