Megatest

	       (test-id   (assoc/default 'test-id   cmdinfo))
	       (target    (assoc/default 'target    cmdinfo))
	       (itemdat   (assoc/default 'itemdat   cmdinfo))
	       (env-ovrd  (assoc/default 'env-ovrd  cmdinfo))
	       (set-vars  (assoc/default 'set-vars  cmdinfo)) ;; pre-overrides from -setvar
	       (runname   (assoc/default 'runname   cmdinfo))
	       (megatest  (assoc/default 'megatest  cmdinfo))
	       (runtlim   (assoc/default 'runtlim   cmdinfo))
	       (mt-bindir-path (assoc/default 'mt-bindir-path cmdinfo))
	       (keys      #f)
	       (keyvals   #f)
	       (fullrunscript (if (not runscript)
                                  #f
                                  (if (substring-index "/" runscript)
                                      runscript ;; use unadultered if contains slashes
                                      (let ((fulln (conc testpath "/" runscript)))
	                                  (if (and (file-exists? fulln)
                                                   (file-execute-access? fulln))
                                              fulln
                                              runscript))))) ;; assume it is on the path
	       (rollup-status 0))
	  (change-directory top-path)
	  (debug:print 2 "Exectuing " test-name " (id: " test-id ") on " (get-host-name))
	  ;; Setup the *runremote* global var
	  (if *runremote* (debug:print 2 "ERROR: I'm not expecting *runremote* to be set at this time"))
	  ;; (set! *runremote* runremote)
	  (set! *transport-type* (string->symbol transport))
	  (set! keys       (cdb:remote-run db:get-keys #f))
	  (set! keyvals    (keys:target->keyval keys target))
	  ;; apply pre-overrides before other variables. The pre-override vars must not
	  ;; clobbers things from the official sources such as megatest.config and runconfigs.config
	  (if (string? set-vars)
	      (let ((varpairs (string-split set-vars ",")))
		(debug:print 4 "varpairs: " varpairs)
		(map (lambda (varpair)
		       (let ((varval (string-split varpair "=")))

	  ;; Can setup as client for server mode now
	  ;; (client:setup)

	  (change-directory *toppath*) 
	  (set-megatest-env-vars run-id) ;; these may be needed by the launching process
	  (change-directory work-area) 

	  (set-run-config-vars run-id keyvals target) ;; (db:get-target db run-id))
	  ;; environment overrides are done *before* the remaining critical envars.
	  (alist->env-vars env-ovrd)
	  (set-megatest-env-vars run-id)
	  (set-item-env-vars itemdat)
	  (save-environment-as-files "megatest")
	  ;; open-run-close not needed for test-set-meta-info
	  (tests:set-meta-info #f test-id run-id test-name itemdat 0 work-area)

							  (round 
							   (- 
							    (current-seconds) 
							    start-seconds)))))
					(kill-tries 0))
				   (let loop ((minutes   (calc-minutes)))
				     (begin
				       (set! kill-job? (or (test-get-kill-request test-id) ;; run-id test-name itemdat))
							   (and runtlim (let* ((run-seconds   (- (current-seconds) start-seconds))
									       (time-exceeded (> run-seconds runtlim)))
									  (if time-exceeded
									      (begin
										(debug:print-info 0 "KILLING TEST DUE TO TIME LIMIT EXCEEDED! Runtime=" run-seconds " seconds, limit=" runtlim)
										#t)
									      #f)))))
				       ;; open-run-close not needed for test-set-meta-info
				       (tests:set-meta-info #f test-id run-id test-name itemdat minutes work-area)
				       (if kill-job? 
					   (begin
					     (mutex-lock! m)
					     (let* ((pid (vector-ref exit-info 0)))
					       (if (number? pid)
						   (process-signal pid signal/kill)
						   ;; (begin
						   ;;   (debug:print 0 "WARNING: Request received to kill job (attempt # " kill-tries ")")
						   ;;   (let ((processes (cmd-run->list (conc "pgrep -l -P " pid))))
						   ;;     (for-each 
						   ;;      (lambda (p)
						   ;;        (let* ((parts  (string-split p))
						   ;;      	 (p-id   (if (> (length parts) 0)
						   ;;      		     (string->number (car parts))
						   ;;      		     #f)))
						   ;;          (if p-id
						   ;;      	(begin
						   ;;      	  (debug:print 0 "Killing " (cadr parts) "; kill -9  " p-id)
						   ;;      	  (system (conc "kill -9 " p-id))))))
						   ;;      (car processes))
						   ;;     (system (conc "kill -9 -" pid))))
						   (begin
						     (debug:print 0 "WARNING: Request received to kill job but problem with process, attempting to kill manager process")
						     (tests:test-set-status! test-id "KILLED"  "FAIL"
								     (args:get-arg "-m") #f)
						     (sqlite3:finalize! tdb)
						     (exit 1))))
					     (set! kill-tries (+ 1 kill-tries))

;; 
;;  <linkdir> - <target> - <testname> [ - <itempath> ]
;; 
;; All log file links should be stored relative to the top of link path
;;  
;; <target> - <testname> [ - <itempath> ] 
;;
(define (create-work-area run-id run-info keyvals test-id test-src-path disk-path testname itemdat)
  (let* ((item-path (item-list->path itemdat))
	 (runname  (db:get-value-by-header (db:get-row run-info)
					   (db:get-header run-info)
					   "runname"))
	 ;; convert back to db: from rdb: - this is always run at server end
	 (target   (string-intersperse (map cadr keyvals) "/"))

	 (not-iterated  (equal? "" item-path))

	 ;; all tests are found at <rundir>/test-base or <linkdir>/test-base
	 (testtop-base (conc target "/" runname "/" testname))
	 (test-base    (conc testtop-base (if not-iterated "" "/") item-path))

;; 1. look though disks list for disk with most space
;; 2. create run dir on disk, path name is meaningful
;; 3. create link from run dir to megatest runs area 
;; 4. remotely run the test on allocated host
;;    - could be ssh to host from hosts table (update regularly with load)
;;    - could be netbatch
;;      (launch-test db (cadr status) test-conf))
(define (launch-test test-id run-id run-info keyvals runname test-conf test-name test-path itemdat params)
  (change-directory *toppath*)
  (alist->env-vars ;; consolidate this code with the code in megatest.scm for "-execute"
   (list ;; (list "MT_TEST_RUN_DIR" work-area)
    (list "MT_RUN_AREA_HOME" *toppath*)
    (list "MT_TEST_NAME" test-name)
    ;; (list "MT_ITEM_INFO" (conc itemdat)) 
    (list "MT_RUNNAME"   runname)
    ;; (list "MT_TARGET"    mt_target)
    ))
  (let* ((useshell        (config-lookup *configdat* "jobtools"     "useshell"))
	 (launcher        (config-lookup *configdat* "jobtools"     "launcher"))
	 (runscript       (config-lookup test-conf   "setup"        "runscript"))
	 (ezsteps         (> (length (hash-table-ref/default test-conf "ezsteps" '())) 0)) ;; don't send all the steps, could be big
	 (diskspace       (config-lookup test-conf   "requirements" "diskspace"))
	 (memory          (config-lookup test-conf   "requirements" "memory"))
	 (hosts           (config-lookup *configdat* "jobtools"     "workhosts"))
	 (remote-megatest (config-lookup *configdat* "setup" "executable"))
	 (run-time-limit  (configf:lookup  test-conf   "requirements" "runtimelim"))
	 ;; FIXME SOMEDAY: not good how this is so obtuse, this hack is to 
	 ;;                allow running from dashboard. Extract the path
	 ;;                from the called megatest and convert dashboard
	 ;;             	  or dboard to megatest
	 (local-megatest  (let* ((lm  (car (argv)))
				 (dir (pathname-directory lm))
				 (exe (pathname-strip-directory lm)))

	 (diskpath   #f)
	 (cmdparms   #f)
	 (fullcmd    #f) ;; (define a (with-output-to-string (lambda ()(write x))))
	 (mt-bindir-path #f)
	 (item-path (item-list->path itemdat))
	 ;; (test-id    (cdb:remote-run db:get-test-id #f run-id test-name item-path))
	 (testinfo   (cdb:get-test-info-by-id *runremote* test-id))
	 (mt_target  (string-intersperse (map cadr keyvals) "/"))
	 (debug-param (append (if (args:get-arg "-debug")  (list "-debug" (args:get-arg "-debug")) '())
			      (if (args:get-arg "-logging")(list "-logging") '()))))
    (if hosts (set! hosts (string-split hosts)))
    ;; set the megatest to be called on the remote host
    (if (not remote-megatest)(set! remote-megatest local-megatest)) ;; "megatest"))
    (set! mt-bindir-path (pathname-directory remote-megatest))
    (if launcher (set! launcher (string-split launcher)))
    ;; set up the run work area for this test
    (set! diskpath (get-best-disk *configdat*))
    (if diskpath
	(let ((dat  (create-work-area run-id run-info keyvals test-id test-path diskpath test-name itemdat)))
	  (set! work-area (car dat))
	  (set! toptest-work-area (cadr dat))
	  (debug:print-info 2 "Using work area " work-area))
	(begin
	  (set! work-area (conc test-path "/tmp_run"))
	  (create-directory work-area #t)
	  (debug:print 0 "WARNING: No disk work area specified - running in the test directory under tmp_run")))

				     (list 'runscript runscript) 
				     (list 'run-id    run-id   )
				     (list 'test-id   test-id  )
				     (list 'itemdat   itemdat  )
				     (list 'megatest  remote-megatest)
				     (list 'ezsteps   ezsteps) 
				     (list 'target    mt_target)
				     (list 'runtlim   (if run-time-limit (common:hms-string->seconds run-time-limit) #f))
				     (list 'env-ovrd  (hash-table-ref/default *configdat* "env-override" '())) 
				     (list 'set-vars  (if params (hash-table-ref/default params "-setvars" #f)))
				     (list 'runname   runname)
				     (list 'mt-bindir-path mt-bindir-path)))))))
    ;; clean out step records from previous run if they exist
    ;; (debug:print-info 4 "FIXMEEEEE!!!! This can be removed some day, perhaps move all test records to the test db?")
    ;; (open-run-close db:delete-test-step-records db test-id)
    (change-directory work-area) ;; so that log files from the launch process don't clutter the test dir
    (tests:test-set-status! test-id "LAUNCHED" "n/a" #f #f) ;; (if launch-results launch-results "FAILED"))
    (cond
     ((and launcher hosts) ;; must be using ssh hostname

			    (append (list (list "MT_TEST_RUN_DIR" work-area)
					  (list "MT_TEST_NAME" test-name)
					  (list "MT_ITEM_INFO" (conc itemdat)) 
					  (list "MT_RUNNAME"   runname)
					  (list "MT_TARGET"    mt_target)
					  )
				    itemdat)))
	   ;; Launchwait defaults to true, must override it to turn off wait
	   (launchwait     (if (equal? (configf:lookup *configdat* "setup" "launchwait") "no") #f #t))
	   (launch-results (apply (if launchwait
				      cmd-run-with-stderr->list
				      process-run)
				  (if useshell
				      (string-intersperse fullcmd " ")
				      (car fullcmd))
				  (if useshell
				      '()
				      (cdr fullcmd)))))
      (if (not launchwait) ;; give the OS a little time to allow the process to start
	  (thread-sleep! 0.01))
      (with-output-to-file "mt_launch.log"
	(lambda ()
	  (if (list? launch-results)
	      (apply print launch-results)
	      (print "NOTE: launched \"" fullcmd "\"\n  but did not wait for it to proceed. Add the following to megatest.config \n[setup]\nlaunchwait yes\n  if you have problems with this"))
	  #:append))
      (debug:print 2 "Launching completed, updating db")
      (debug:print 2 "Launch results: " launch-results)
      (if (not launch-results)
          (begin
            (print "ERROR: Failed to run " (string-intersperse fullcmd " ") ", exiting now")
            ;; (sqlite3:finalize! db)
            ;; good ole "exit" seems not to work