Megatest

# make install CSCOPTS='-accumulate-profile -profile-name $(PWD)/profile-ww$(shell date +%V.%u)'
PREFIX=$(PWD)
CSCOPTS= 
INSTALL=install
SRCFILES = common.scm items.scm launch.scm \
           ods.scm runconfig.scm server.scm configf.scm \
           db.scm keys.scm margs.scm megatest-version.scm \
           process.scm runs.scm tasks.scm tests.scm genexample.scm \
	   fs-transport.scm http-transport.scm \
           client.scm gutils.scm synchash.scm daemon.scm mt.scm dcommon.scm \
	   tree.scm ezsteps.scm lock-queue.scm

GUISRCF  = dashboard-tests.scm dashboard-guimonitor.scm 

OFILES   = $(SRCFILES:%.scm=%.o)
GOFILES  = $(GUISRCF:%.scm=%.o)

ADTLSCR=mt_laststep mt_runstep mt_ezstep

					  new-status
					  (args:get-arg "-m") #f)
		  ;; need to update the top test record if PASS or FAIL and this is a subtest
		  (if (not (equal? item-path ""))
		      (cdb:roll-up-pass-fail-counts *runremote* run-id test-name item-path new-status))))
	    ;; for automated creation of the rollup html file this is a good place...
	    (if (not (equal? item-path ""))
		(tests:summarize-items #f run-id test-id test-name #f)) ;; don't force - just update if no
	    )))
    (pop-directory)
    rollup-status))

;; Copyright 2006-2013, 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.

		    (debug:print-info 1 "Test exited in state=" (db:test-get-state testinfo) ", setting state/status based on exit code of " (vector-ref exit-info 1) " and rollup-status of " rollup-status)
		    (tests:test-set-status! test-id 
					    new-state
					    new-status
					    (args:get-arg "-m") #f)
		    ;; need to update the top test record if PASS or FAIL and this is a subtest
		    (if (not (equal? item-path ""))
			(begin
			  (thread-sleep! 0.1) ;; give other processes an opportunity to access the db as rollup is lower priority
			  (cdb:roll-up-pass-fail-counts *runremote* run-id test-name item-path new-status)))))


	      ;; for automated creation of the rollup html file this is a good place...
	      (if (not (equal? item-path ""))
		  (tests:summarize-items #f run-id test-id test-name #f))) ;; don't force - just update if no

	    (mutex-unlock! m)


	    (debug:print 2 "Output from running " fullrunscript ", pid " (vector-ref exit-info 0) " in work area " 
			 work-area ":\n====\n exit code " (vector-ref exit-info 2) "\n" "====\n")


	    (if (not (vector-ref exit-info 1))
		(exit 4)))))))

;; set up the very basics needed for doing anything here.
(define (setup-for-run)
  ;; would set values for KEYS in the environment here for better support of env-override but 
  ;; have chicken/egg scenario. need to read megatest.config then read it again. Going to 

;; Copyright 2006-2013, 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.

;;======================================================================
;; launch a task - this runs on the originating host, tests themselves
;;
;;======================================================================

(use sqlite3 srfi-18)
(import (prefix sqlite3 sqlite3:))

(declare (unit lock-queue))
(declare (uses common))

;;======================================================================
;; attempt to prevent overlapping updates of rollup files by queueing
;; update requests in an sqlite db
;;======================================================================

(define (lock-queue:open-db fname)
  (let* ((actualfname (conc fname ".lockdb"))
	 (dbexists (file-exists? actualfname))
	 (db       (sqlite3:open-database actualfname))
	 (handler  (make-busy-timeout 3600)))
    (if dbexists
	db
	(begin
	  (sqlite3:execute 
	   db
	   "CREATE TABLE IF NOT EXISTS queue (
  	      id         INTEGER PRIMARY KEY,
              test_id    INTEGER,
              start_time INTEGER,
              state      TEXT,
              CONSTRAINT queue_constraint UNIQUE (test_id));")
	  (sqlite3:execute
	   db
	   "CREATE TABLE IF NOT EXISTS runlocks (
              id         INTEGER PRIMARY KEY,
              test_id    INTEGER,
              run_lock   TEXT,
              CONSTRAINT runlock_constraint UNIQUE (run_lock));")))
    db))

(define (lock-queue:set-state db test-id newstate)
  (sqlite3:execute db "UPDATE queue SET state=? WHERE test_id=?;"
		   newstate
		   test-id))

(define (lock-queue:any-younger? db mystart test-id)
  (let ((res #f))
    (sqlite3:for-each-row
     (lambda (tid)
       ;; Actually this should not be needed as mystart cannot be simultaneously less than and test-id same as 
       (if (not (equal? tid test-id)) 
	   (set! res tid)))
     db
     "SELECT test_id FROM queue WHERE start_time > ?;" mystart)
    res))

(define (lock-queue:get-lock db test-id)
  (let ((res       #f)
	(lckqry    (sqlite3:prepare db "SELECT test_id,run_lock FROM runlocks WHERE run_lock='locked';"))
	(mklckqry  (sqlite3:prepare db "INSERT INTO runlocks (test_id,run_lock) VALUES (?,'locked');")))
    (handle-exceptions
     exn
     #f
     (sqlite3:with-transaction
      db
      (lambda ()
	(sqlite3:for-each-row (lambda (tid lockstate)
				(set! res (list tid lockstate)))
			      lckqry)
	(if res
	    (if (equal? (car res) test-id)
		#t ;; already have the lock
		#f)
	    (begin
	      (sqlite3:execute mklckqry test-id)
	      ;; if no error handled then return #t for got the lock
	      #t)))))))

(define (lock-queue:release-lock fname test-id)
  (let ((db (lock-queue:open-db fname)))
    (sqlite3:execute db "DELETE FROM runlocks WHERE test_id=?;" test-id)
    (sqlite3:finalize! db)))

;; returns #f if ok to skip the task
;; returns #t if ok to proceed with task
;; otherwise waits
;;
(define (lock-queue:wait-turn fname test-id)
  (let ((db      (lock-queue:open-db fname))
	(mystart (current-seconds)))
    (sqlite3:execute
     db
     "INSERT OR REPLACE INTO queue (test_id,start_time,state) VALUES (?,?,'waiting');"
     test-id mystart)
    (thread-sleep! 1) ;; give other tests a chance to register
    (let loop ((younger-waiting (lock-queue:any-younger? db mystart test-id)))
      (if younger-waiting
	  (begin
	    ;; no need for us to wait. mark in the lock queue db as skipping
	    (lock-queue:set-state db test-id "skipping")
	    (begin
	      ;; (sqlite3:finalize! db)
	      #f)) ;; let the calling process know that nothing needs to be done
	  (if (lock-queue:get-lock db test-id)
	      (begin
		;; (sqlite3:finalize! db)
		#t)
	      (if (> (- (current-seconds) mystart) 36000) ;; waited too long, steal the lock
		  (lock-queue:steal-lock db test-id)
		  (begin
		    (thread-sleep! 1)
		    (loop (lock-queue:any-younger? db mystart test-id)))))))))
	  
            
;; (use trace)
;; (trace lock-queue:get-lock lock-queue:release-lock lock-queue:wait-turn lock-queue:any-younger? lock-queue:set-state)

	      (let ((logfname (args:get-arg "-setlog")))
		(cdb:test-set-log! *runremote* test-id logfname)))
	  (if (args:get-arg "-set-toplog")
	      ;; DO NOT run remote
	      (tests:test-set-toplog! db run-id test-name (args:get-arg "-set-toplog")))
	  (if (args:get-arg "-summarize-items")
	      ;; DO NOT run remote
	      (tests:summarize-items db run-id test-id test-name #t)) ;; do force here
	  (if (args:get-arg "-runstep")
	      (if (null? remargs)
		  (begin
		    (debug:print 0 "ERROR: nothing specified to run!")
		    (if db (sqlite3:finalize! db))
		    (exit 6))
		  (let* ((stepname   (args:get-arg "-runstep"))

;; Tests
;;======================================================================

(use sqlite3 srfi-1 posix regex regex-case srfi-69 dot-locking tcp directory-utils)
(import (prefix sqlite3 sqlite3:))

(declare (unit tests))
(declare (uses lock-queue))
(declare (uses db))
(declare (uses common))
(declare (uses items))
(declare (uses runconfig))

(include "common_records.scm")
(include "key_records.scm")

	  (cdb:remote-run db:test-set-comment #f test-id cmt)))
    ))


(define (tests:test-set-toplog! db run-id test-name logf) 
  (cdb:client-call *runremote* 'tests:test-set-toplog #t 2 logf run-id test-name))

(define (tests:summarize-items db run-id test-id test-name force)
  ;; if not force then only update the record if one of these is true:
  ;;   1. logf is "log/final.log
  ;;   2. logf is same as outputfilename
  (let* ((outputfilename (conc "megatest-rollup-" test-name ".html"))
	 (orig-dir       (current-directory))
	 (logf-info      (cdb:remote-run db:test-get-logfile-info #f run-id test-name))
	 (logf           (if logf-info (cadr logf-info) #f))
	 (path           (if logf-info (car  logf-info) #f)))
    ;; This query finds the path and changes the directory to it for the test
    (if (directory? path)
	(begin
	  (debug:print 4 "Found path: " path)
	  (change-directory path))
	;; (set! outputfilename (conc path "/" outputfilename)))
	(print "No such path: " path))
    (debug:print 4 "summarize-items with logf " logf ", outputfilename " outputfilename " and force " force)
    (if (or (equal? logf "logs/final.log")
	    (equal? logf outputfilename)
	    force)
	(begin
	  (if ;; (not (obtain-dot-lock outputfilename 1 5 7)) ;; retry every second for 20 seconds, call it dead after 30 seconds and steal the lock
              (not (lock-queue:wait-turn outputfilename test-id))
	      (print "Not updating " outputfilename " as another test item has signed up for the job")
	      (begin
		(print "Obtained lock for " outputfilename)
		(let ((oup    (open-output-file outputfilename))
		      (counts (make-hash-table))
		      (statecounts (make-hash-table))
		      (outtxt "")
		      (tot    0)

		      (print "</td></td></tr></table>")
		      
		      (print "<table cellspacing=\"0\" border=\"1\">" 
			     "<tr><td>Item</td><td>State</td><td>Status</td><td>Comment</td>"
			     outtxt "</table></body></html>")
		      (release-dot-lock outputfilename)))
		  (close-output-port oup)
		  (lock-queue:release-lock outputfilename test-id)
		  (change-directory orig-dir)
		  ;; NB// tests:test-set-toplog! is remote internal...
		  (tests:test-set-toplog! db run-id test-name outputfilename)
		  )))))))

;;======================================================================
;; Gather data from test/task specifications