;; Copyright 2006-2014, Matthew Welland.
;;
;; This program is made available under the GNU GPL version 2.0 or
;; greater. See the accompanying file COPYING for details.
;;
;; This program is distributed WITHOUT ANY WARRANTY; without even the
;; implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
;; PURPOSE.
;; strftime('%m/%d/%Y %H:%M:%S','now','localtime')
(use sqlite3 srfi-1 posix regex regex-case srfi-69 dot-locking format md5 message-digest srfi-18)
(import (prefix sqlite3 sqlite3:))
(declare (unit archive))
(declare (uses db))
(declare (uses common))
(include "common_records.scm")
(include "db_records.scm")
;;======================================================================
;;
;;======================================================================
;; NOT CURRENTLY USED
;;
(define (archive:main linktree target runname testname itempath options)
(let ((testdir (conc linktree "/" target "/" runname "/" testname "/" itempatt))
(flavor 'plain) ;; type of machine to run jobs on
(maxload 1.5) ;; max allowed load for this work
(adisks (archive:get-archive-disks)))
;; get testdir size
;; - hand off du to job mgr
(if (and (file-exists? testdir)
(file-is-writable? testdir))
(let* ((dused (jobrunner:run-job
flavor ;; machine type
maxload ;; max allowed load
'() ;; prevars - environment vars to set for the job
common:get-disk-space-used ;; if a proc call it, if a string it is a unix command
(list testdir)))
(apath (archive:get-archive testname itempath dused)))
(jobrunner:run-job
flavor
maxload
'()
archive:run-bup
(list testdir apath))))))
;; Get archive disks from megatest.config
;;
(define (archive:get-archive-disks)
(let ((section (configf:get-section *configdat* "archive-disks")))
(if section
section
'())))
;; look for the best candidate archive area, else create new
;; area
;;
(define (archive:get-archive area-dat testname itempath dused)
;; look up in archive_allocations if there is a pre-used archive
;; with adequate diskspace
;;
(let* ((existing-blocks (rmt:archive-get-allocations area-dat testname itempath dused))
(candidate-disks (map (lambda (block)
(list
(vector-ref block 1) ;; archive-area-name
(vector-ref block 2))) ;; disk-path
existing-blocks)))
(or (common:get-disk-with-most-free-space candidate-disks dused)
(archive:allocate-new-archive-block #f #f #f)))) ;; BROKEN. testname itempath))))
;; allocate a new archive area
;;
(define (archive:allocate-new-archive-block area-dat run-area-home testsuite-name dneeded)
(let* ((adisks (archive:get-archive-disks))
(best-disk (common:get-disk-with-most-free-space adisks dneeded)))
(if best-disk
(let* ((bdisk-name (car best-disk))
(bdisk-path (cdr best-disk))
(area-key (substring (message-digest-string (md5-primitive) run-area-home) 0 5))
(bdisk-id (rmt:archive-register-disk area-dat bdisk-name bdisk-path (get-df bdisk-path)))
(archive-name (let ((sec (current-seconds)))
(conc (time->string (seconds->local-time sec) "%Y")
"_q" (seconds->quarter sec) "/"
testsuite-name "_" area-key)))
(archive-path (conc bdisk-path "/" archive-name))
(block-id (rmt:archive-register-block-name area-dat bdisk-id archive-path)))
;; (allocation-id (rmt:archive-allocate-testsuite/area-to-block area-dat block-id testsuite-name area-key)))
(if block-id ;; (and block-id allocation-id)
(cons block-id archive-path)
#f))
#f)))
;; archive - run bup
;;
;; 1. create the bup dir if not exists
;; 2. start the du of each directory
;; 3. gen index
;; 4. save
;;
(define (archive:run-bup area-dat archive-command run-id run-name tests rp-mutex bup-mutex)
;; move the getting of archive space down into the below block so that a single run can
;; allocate as needed should a disk fill up
;;
(let* ((min-space (string->number (or (configf:lookup *configdat* "archive" "minspace") "1000")))
(archive-info (archive:allocate-new-archive-block *toppath* (common:get-testsuite-name) min-space))
(archive-dir (if archive-info (cdr archive-info) #f))
(archive-id (if archive-info (car archive-info) -1))
(disk-groups (make-hash-table))
(test-groups (make-hash-table)) ;; these two (disk and test groups) could be combined nicely
(bup-exe (or (configf:lookup *configdat* "archive" "bup") "bup"))
(compress (or (configf:lookup *configdat* "archive" "compress") "9"))
(linktree (configf:lookup *configdat* "setup" "linktree")))
(if (not archive-dir) ;; no archive disk found, this is fatal
(begin
(debug:print 0 *default-log-port* "FATAL: No archive disks found. Please add disks with at least " min-space " MB space to the [archive-disks] section of megatest.config")
(debug:print 0 *default-log-port* " use [archive] minspace to specify minimum available space")
(debug:print 0 *default-log-port* " disks: " (string-intersperse (map cadr (archive:get-archive-disks)) "\n "))
(exit 1))
(debug:print-info 0 *default-log-port* "Using path " archive-dir " for archiving"))
;; from the test info bin the path to the test by stem
;;
(for-each
(lambda (test-dat)
(let* ((item-path (db:test-get-item-path test-dat))
(test-name (db:test-get-testname test-dat))
(test-id (db:test-get-id test-dat))
(run-id (db:test-get-run_id test-dat))
(target (string-intersperse (map cadr (rmt:get-key-val-pairs area-dat run-id)) "/"))
(toplevel/children (and (db:test-get-is-toplevel test-dat)
(> (rmt:test-toplevel-num-items area-dat run-id test-name) 0)))
(test-partial-path (conc target "/" run-name "/" (db:test-make-full-name test-name item-path)))
;; note the trailing slash to get the dir inspite of it being a link
(test-path (conc linktree "/" test-partial-path))
(mutex-lock! rp-mutex)
(test-physical-path (if (file-exists? test-path)
(common:real-path test-path)
#f))
(mutex-unlock! rp-mutex)
(partial-path-index (if test-physical-path (substring-index test-partial-path test-physical-path) #f))
(test-base (if (and partial-path-index
test-physical-path )
(substring test-physical-path
0
partial-path-index)
#f)))
(cond
(toplevel/children
(debug:print 0 *default-log-port* "WARNING: cannot archive " test-name " with id " test-id " as it is a toplevel test with children"))
((not (file-exists? test-path))
(debug:print 0 *default-log-port* "WARNING: Cannot archive " test-name "/" item-path " as path " test-path " does not exist"))
(else
(debug:print 0 *default-log-port*
"From test-dat=" test-dat " derived the following:\n"
"test-partial-path = " test-partial-path "\n"
"test-path = " test-path "\n"
"test-physical-path = " test-physical-path "\n"
"partial-path-index = " partial-path-index "\n"
"test-base = " test-base)
(hash-table-set! disk-groups test-base (cons test-physical-path (hash-table-ref/default disk-groups test-base '())))
(hash-table-set! test-groups test-base (cons test-dat (hash-table-ref/default test-groups test-base '())))
test-path))))
tests)
;; for each disk-group
(for-each
(lambda (disk-group)
(debug:print 0 *default-log-port* "Processing disk-group " disk-group)
(let* ((test-paths (hash-table-ref disk-groups disk-group))
;; ((string-intersperse (map cadr (rmt:get-key-val-pairs area-dat 1)) "-")
(bup-init-params (list "-d" archive-dir "init"))
(bup-index-params (append (list "-d" archive-dir "index") test-paths))
(bup-save-params (append (list "-d" archive-dir "save" ;; (conc "--strip-path=" linktree)
(conc "-" compress) ;; or (conc "--compress=" compress)
"-n" (conc (common:get-testsuite-name) "-" run-id)
(conc "--strip-path=" disk-group))
test-paths))
(print-prefix #f)) ;; "Running: ")) ;; change to #f to turn off printing
(if (not (file-exists? archive-dir))
(create-directory archive-dir #t))
(if (not (file-exists? (conc archive-dir "/HEAD")))
(begin
;; replace this with jobrunner stuff enventually
(debug:print-info 0 *default-log-port* "Init bup in " archive-dir)
;; (mutex-lock! bup-mutex)
(run-n-wait bup-exe params: bup-init-params print-cmd: print-prefix)
;; (mutex-unlock! bup-mutex)
))
(debug:print-info 0 *default-log-port* "Indexing data to be archived")
;; (mutex-lock! bup-mutex)
(run-n-wait bup-exe params: bup-index-params print-cmd: print-prefix)
(debug:print-info 0 *default-log-port* "Archiving data with bup")
(run-n-wait bup-exe params: bup-save-params print-cmd: print-prefix)
;; (mutex-unlock! bup-mutex)
(for-each
(lambda (test-dat)
(let ((test-id (db:test-get-id test-dat))
(run-id (db:test-get-run_id test-dat)))
(rmt:test-set-archive-block-id area-dat run-id test-id archive-id)
(if (member archive-command '("save-remove"))
(runs:remove-test-directory area-dat test-dat 'archive-remove))))
(hash-table-ref test-groups disk-group))))
(hash-table-keys disk-groups))
#t))
(define (archive:bup-restore area-dat archive-command run-id run-name tests rp-mutex bup-mutex) ;; move the getting of archive space down into the below block so that a single run can
;; allocate as needed should a disk fill up
;;
(let* ((bup-exe (or (configf:lookup *configdat* "archive" "bup") "bup"))
(linktree (configf:lookup *configdat* "setup" "linktree")))
;; from the test info bin the path to the test by stem
;;
(for-each
(lambda (test-dat)
;; When restoring test-dat will initially contain an old and invalid path to the test
(let* ((best-disk (get-best-disk *configdat* #f)) ;; BUG: get the testconfig and use it here. Otherwise data pulled out of archive could end up on the wrong kind of disk.
(item-path (db:test-get-item-path test-dat))
(test-name (db:test-get-testname test-dat))
(test-id (db:test-get-id test-dat))
(run-id (db:test-get-run_id test-dat))
(keyvals (rmt:get-key-val-pairs area-dat run-id))
(target (string-intersperse (map cadr keyvals) "/"))
(toplevel/children (and (db:test-get-is-toplevel test-dat)
(> (rmt:test-toplevel-num-items area-dat run-id test-name) 0)))
(test-partial-path (conc target "/" run-name "/" (db:test-make-full-name test-name item-path)))
;; note the trailing slash to get the dir inspite of it being a link
(test-path (conc linktree "/" test-partial-path))
;; if the old path was not deleted then prev-test-physical-path will end up pointing to a real directory
(mutex-lock! rp-mutex)
(prev-test-physical-path (if (file-exists? test-path)
;; (read-symbolic-link test-path #t)
(common:real-path test-path)
#f))
(mutex-unlock! rp-mutex)
(new-test-physical-path (conc best-disk "/" test-partial-path))
(archive-block-id (db:test-get-archived test-dat))
(archive-block-info (rmt:test-get-archive-block-info area-dat archive-block-id))
(archive-path (if (vector? archive-block-info)
(vector-ref archive-block-info 2) ;; look in db.scm for test-get-archive-block-info for the vector record info
#f)) ;; no archive found?
(archive-internal-path (conc (common:get-testsuite-name) "-" run-id "/latest/" test-partial-path)))
;; some sanity checks, move an existing path out of the way - iif it is not a toplevel with children
;;
(if (and (not toplevel/children) ;; special handling needed for toplevel with children
prev-test-physical-path
(file-exists? prev-test-physical-path)) ;; what to do? abort or clean up or link it in?
(let* ((base (pathname-directory prev-test-physical-path))
(dirn (pathname-file prev-test-physical-path))
(newn (conc base "/." dirn)))
(debug:print-error 0 *default-log-port* "the old directory " prev-test-physical-path ", still exists! Moving it to " newn)
(rename-file prev-test-physical-path newn)))
(if (and archive-path ;; no point in proceeding if there is no actual archive
(not toplevel/children))
(begin
;; CREATE WORK AREA
;; test-src-path == #f ==> don't copy in data from tests directory
;; itemdat == string ==> use directly
(create-work-area run-id run-name keyvals test-id #f best-disk test-name item-path) ;; #!key (remtries 2))
;; 1. Get the block id from the test info
;; 2. Get the block data given the block id
;; 3. Construct the paths etc. for the following command:
;;
;; bup -d /tmp/matt/adisk1/2015_q1/fullrun_e1a40/ restore -C /tmp/seeme fullrun-30/latest/ubuntu/nfs/none/w02.1.20.54_b/
;; DO BUP RESTORE
(let* ((new-test-dat (rmt:get-test-info-by-id area-dat run-id test-id))
(new-test-path (if (vector? new-test-dat )
(db:test-get-rundir new-test-dat)
(begin
(debug:print-error 0 *default-log-port* "unable to get data for run-id=" run-id ", test-id=" test-id)
(exit 1))))
;; new-test-path won't work - must use best-disk instead? Nope, new-test-path but tack on /..
(bup-restore-params (list "-d" archive-path "restore" "-C" (conc new-test-path "/..") archive-internal-path)))
(debug:print-info 0 *default-log-port* "Restoring archived data to " new-test-physical-path " from archive in " archive-path " ... " archive-internal-path)
;; (mutex-lock! bup-mutex)
(run-n-wait bup-exe params: bup-restore-params print-cmd: #f)
;; (mutex-unlock! bup-mutex)
(mt:test-set-state-status-by-id run-id test-id "COMPLETED" #f #f)))
(debug:print-error 0 *default-log-port* "No archive path in the record for run-id=" run-id " test-id=" test-id))))
(filter vector? tests))))