Megatest

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Differences From Artifact [69229ba1dd]:

To Artifact [56d8cf0de9]:


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;;  PURPOSE.

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

(use regex regex-case base64 sqlite3 srfi-18)
(import (prefix base64 base64:))
(import (prefix sqlite3 sqlite3:))

(declare (unit launch))
(declare (uses common))
(declare (uses configf))
(declare (uses db))




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

;;======================================================================
;; ezsteps







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;;  PURPOSE.

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

(use regex regex-case base64 sqlite3 srfi-18 directory-utils posix-extras z3)
(import (prefix base64 base64:))
(import (prefix sqlite3 sqlite3:))

(declare (unit launch))
(declare (uses common))
(declare (uses configf))
(declare (uses db))
;; (declare (uses sdb))
(declare (uses tdb))
;; (declare (uses filedb))

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

;;======================================================================
;; ezsteps
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  (or (eq? exitcode 0)
      (and logpro (eq? exitcode 2))))

;; if handed a string, process it, else look for MT_CMDINFO
(define (launch:get-cmdinfo-assoc-list #!key (encoded-cmd #f))
  (let ((enccmd (if encoded-cmd encoded-cmd (getenv "MT_CMDINFO"))))
    (if enccmd
	(read (open-input-string (base64:base64-decode enccmd)))
	'())))

(define (launch:execute encoded-cmd)
  (let* ((cmdinfo   (read (open-input-string (base64:base64-decode encoded-cmd)))))
    (setenv "MT_CMDINFO" encoded-cmd)
    (if (list? cmdinfo) ;; ((testpath /tmp/mrwellan/jazzmind/src/example_run/tests/sqlitespeed)
	;; (test-name sqlitespeed) (runscript runscript.rb) (db-host localhost) (run-id 1))
	(let* ((testpath  (assoc/default 'testpath  cmdinfo))  ;; testpath is the test spec area
	       (top-path  (assoc/default 'toppath   cmdinfo))
	       (work-area (assoc/default 'work-area cmdinfo))  ;; work-area is the test run area
	       (test-name (assoc/default 'test-name cmdinfo))







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  (or (eq? exitcode 0)
      (and logpro (eq? exitcode 2))))

;; if handed a string, process it, else look for MT_CMDINFO
(define (launch:get-cmdinfo-assoc-list #!key (encoded-cmd #f))
  (let ((enccmd (if encoded-cmd encoded-cmd (getenv "MT_CMDINFO"))))
    (if enccmd
	(common:read-encoded-string enccmd)
	'())))

(define (launch:execute encoded-cmd)
  (let* ((cmdinfo   (common:read-encoded-string encoded-cmd)))
    (setenv "MT_CMDINFO" encoded-cmd)
    (if (list? cmdinfo) ;; ((testpath /tmp/mrwellan/jazzmind/src/example_run/tests/sqlitespeed)
	;; (test-name sqlitespeed) (runscript runscript.rb) (db-host localhost) (run-id 1))
	(let* ((testpath  (assoc/default 'testpath  cmdinfo))  ;; testpath is the test spec area
	       (top-path  (assoc/default 'toppath   cmdinfo))
	       (work-area (assoc/default 'work-area cmdinfo))  ;; work-area is the test run area
	       (test-name (assoc/default 'test-name cmdinfo))
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	       (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))












	  ;; (runs:set-megatest-env-vars run-id inkeys: keys inkeyvals: keyvals) ;; these may be needed by the launching process
	  ;; one of these is defunct/redundant ...
	  (if (not (launch:setup-for-run force: #t))
	      (begin
		(debug:print 0 "Failed to setup, exiting") 
		;; (sqlite3:finalize! db)
		;; (sqlite3:finalize! tdb)
		(exit 1)))
	  (change-directory *toppath*) 





	  (let ((rconfig (full-runconfigs-read))) ;; (read-config (conc  *toppath* "/runconfigs.config") #f #t sections: (list "default" target))))
	    ;; (setup-env-defaults (conc *toppath* "/runconfigs.config") run-id (make-hash-table) keyvals target)
	    ;; (set-run-config-vars run-id keyvals target) ;; (db:get-target db run-id))
	    ;; Now have runconfigs data loaded, set environment vars
	    (for-each (lambda (section)
			(for-each (lambda (varval)
				    (let ((var (car varval))
					  (val (cadr varval)))
				      (if (and (string? var)(string? val))
					  (begin
					    (setenv var (config:eval-string-in-environment val))) ;; val)
					  (debug:print 0 "ERROR: bad variable spec, " var "=" val))))
				  (configf:get-section rconfig section)))
		      (list "default" target)))
	  (change-directory work-area) 
	  ;; 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)







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	       (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))
	       (item-path (item-list->path itemdat))
	       (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)

	  ;; (set-signal-handler! signal/int (lambda ()
					    
	  ;; Do not run the test if it is REMOVING, RUNNING, KILLREQ or REMOTEHOSTSTART,
	  ;; Mark the test as REMOTEHOSTSTART *IMMEDIATELY*
	  ;;
	  (let ((test-info (rmt:get-testinfo-state-status run-id test-id)))
	    (if (not (member (db:test-get-state test-info) '("REMOVING" "REMOTEHOSTSTART" "RUNNING" "KILLREQ")))
		(tests:test-force-state-status! run-id test-id "REMOTEHOSTSTART" "n/a")
		(debug:print 0 "ERROR: test state is " (db:test-get-state test-info) ", cannot proceed")))
	  
	  (debug:print 2 "Exectuing " test-name " (id: " test-id ") on " (get-host-name))
	  (set! keys       (rmt:get-keys))
	  ;; (runs:set-megatest-env-vars run-id inkeys: keys inkeyvals: keyvals) ;; these may be needed by the launching process
	  ;; one of these is defunct/redundant ...
	  (if (not (launch:setup-for-run force: #t))
	      (begin
		(debug:print 0 "Failed to setup, exiting") 
		;; (sqlite3:finalize! db)
		;; (sqlite3:finalize! tdb)
		(exit 1)))
	  (change-directory *toppath*) 

	  ;; NOTE: Current order is to process runconfigs *before* setting the MT_ vars. This 
	  ;;       seems non-ideal but could well break stuff
	  ;;    BUG? BUG? BUG?

	  (let ((rconfig (full-runconfigs-read))) ;; (read-config (conc  *toppath* "/runconfigs.config") #f #t sections: (list "default" target))))
	    ;; (setup-env-defaults (conc *toppath* "/runconfigs.config") run-id (make-hash-table) keyvals target)
	    ;; (set-run-config-vars run-id keyvals target) ;; (db:get-target db run-id))
	    ;; Now have runconfigs data loaded, set environment vars
	    (for-each (lambda (section)
			(for-each (lambda (varval)
				    (let ((var (car varval))
					  (val (cadr varval)))
				      (if (and (string? var)(string? val))
					  (begin
					    (setenv var (config:eval-string-in-environment val))) ;; val)
					  (debug:print 0 "ERROR: bad variable spec, " var "=" val))))
				  (configf:get-section rconfig section)))
		      (list "default" target)))
	  (change-directory work-area) 





	  (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)
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		   (begin
		     (debug:print 0 "ERROR: required variable " var " does not have a valid value. Exiting")
		     (exit)))))
	     (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_MEGATEST"  megatest)
	      (list  "MT_TARGET"    target)
	      (list  "MT_LINKTREE"  (configf:lookup *configdat* "setup" "linktree"))))


	  (if mt-bindir-path (setenv "PATH" (conc (getenv "PATH") ":" mt-bindir-path)))
	  ;; (change-directory top-path)
	  ;; Can setup as client for server mode now
	  ;; (client:setup)

	  
	  ;; environment overrides are done *before* the remaining critical envars.
	  (alist->env-vars env-ovrd)
	  (runs:set-megatest-env-vars run-id inkeys: keys inkeyvals: keyvals)
	  (set-item-env-vars itemdat)
	  (save-environment-as-files "megatest")
	  ;; open-run-close not needed for test-set-meta-info


	  (tests:set-full-meta-info #f test-id run-id 0 work-area 10)

	  ;; (tests:test-set-status! test-id "REMOTEHOSTSTART" "n/a" (args:get-arg "-m") #f)
	  (tests:test-force-state-status! test-id "REMOTEHOSTSTART" "n/a")
	  (thread-sleep! 0.3) ;; NFS slowness has caused grief here

	  (if (args:get-arg "-xterm")
	      (set! fullrunscript "xterm")
	      (if (and fullrunscript (not (file-execute-access? fullrunscript)))
		  (system (conc "chmod ug+x " fullrunscript))))
	  ;; We are about to actually kick off the test







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		   (begin
		     (debug:print 0 "ERROR: required variable " var " does not have a valid value. Exiting")
		     (exit)))))
	     (list 
	      (list  "MT_TEST_RUN_DIR" work-area)
	      (list  "MT_TEST_NAME" test-name)
	      (list  "MT_ITEM_INFO" (conc itemdat))
	      (list  "MT_ITEMPATH"  item-path)
	      (list  "MT_RUNNAME"   runname)
	      (list  "MT_MEGATEST"  megatest)
	      (list  "MT_TARGET"    target)
	      (list  "MT_LINKTREE"  (configf:lookup *configdat* "setup" "linktree"))
	      (list  "MT_TESTSUITENAME" (common:get-testsuite-name))))

	  (if mt-bindir-path (setenv "PATH" (conc (getenv "PATH") ":" mt-bindir-path)))
	  ;; (change-directory top-path)
	  ;; Can setup as client for server mode now
	  ;; (client:setup)

	  
	  ;; environment overrides are done *before* the remaining critical envars.
	  (alist->env-vars env-ovrd)
	  (runs:set-megatest-env-vars run-id inkeys: keys inkeyvals: keyvals)
	  (set-item-env-vars itemdat)
	  (save-environment-as-files "megatest")
	  ;; open-run-close not needed for test-set-meta-info
	  ;; (tests:set-full-meta-info #f test-id run-id 0 work-area)
	  ;; (tests:set-full-meta-info test-id run-id 0 work-area)
	  (tests:set-full-meta-info #f test-id run-id 0 work-area 10)



	  (thread-sleep! 0.3) ;; NFS slowness has caused grief here

	  (if (args:get-arg "-xterm")
	      (set! fullrunscript "xterm")
	      (if (and fullrunscript (not (file-execute-access? fullrunscript)))
		  (system (conc "chmod ug+x " fullrunscript))))
	  ;; We are about to actually kick off the test
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				 ;; (tests:test-set-status! test-id "RUNNING" "n/a" #f #f)
				 ;; Since we should have a clean slate at this time there is no need to do 
				 ;; any of the other stuff that tests:test-set-status! does. Let's just 
				 ;; force RUNNING/n/a
				 

				 (thread-sleep! 0.3)
				 (tests:test-force-state-status! test-id "RUNNING" "n/a")

				 (thread-sleep! 0.3) ;; NFS slowness has caused grief here

				 ;; if there is a runscript do it first
				 (if fullrunscript
				     (let ((pid (process-run fullrunscript)))

				       (let loop ((i 0))
					 (let-values
					  (((pid-val exit-status exit-code) (process-wait pid #t)))
					  (mutex-lock! m)
					  (vector-set! exit-info 0 pid)
					  (vector-set! exit-info 1 exit-status)
					  (vector-set! exit-info 2 exit-code)







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				 ;; (tests:test-set-status! test-id "RUNNING" "n/a" #f #f)
				 ;; Since we should have a clean slate at this time there is no need to do 
				 ;; any of the other stuff that tests:test-set-status! does. Let's just 
				 ;; force RUNNING/n/a
				 

				 (thread-sleep! 0.3)
				 (tests:test-force-state-status! run-id test-id "RUNNING" "n/a")
				 (rmt:roll-up-pass-fail-counts run-id test-name item-path "RUNNING")
				 (thread-sleep! 0.3) ;; NFS slowness has caused grief here

				 ;; if there is a runscript do it first
				 (if fullrunscript
				     (let ((pid (process-run fullrunscript)))
				       (rmt:test-set-top-process-pid run-id test-id pid)
				       (let loop ((i 0))
					 (let-values
					  (((pid-val exit-status exit-code) (process-wait pid #t)))
					  (mutex-lock! m)
					  (vector-set! exit-info 0 pid)
					  (vector-set! exit-info 1 exit-status)
					  (vector-set! exit-info 2 exit-code)
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						   ;;   (if (and prevstep (file-exists? prev-env))
						   ;;       (set! script (conc script "source " prev-env))))
						   
						   ;; call the command using mt_ezstep
						   (set! script (conc "mt_ezstep " stepname " " (if prevstep prevstep "-") " " stepcmd))

						   (debug:print 4 "script: " script)
						   ;; DO NOT remote
						   (db:teststep-set-status! #f test-id stepname "start" "-" #f #f work-area: work-area)
						   ;; now launch
						   (let ((pid (process-run script)))

						     (let processloop ((i 0))
						       (let-values (((pid-val exit-status exit-code)(process-wait pid #t)))
								   (mutex-lock! m)
								   (vector-set! exit-info 0 pid)
								   (vector-set! exit-info 1 exit-status)
								   (vector-set! exit-info 2 exit-code)
								   (mutex-unlock! m)
								   (if (eq? pid-val 0)
								       (begin
									 (thread-sleep! 2)
									 (processloop (+ i 1))))
								   ))
                                                     (let ((exinfo (vector-ref exit-info 2))
                                                           (logfna (if logpro-used (conc stepname ".html") "")))
						       ;; testing if procedures called in a remote call cause problems (ans: no or so I suspect)
						       (db:teststep-set-status! #f test-id stepname "end" exinfo #f logfna work-area: work-area))
						     (if logpro-used
							 (cdb:test-set-log! *runremote*  test-id (conc stepname ".html")))
						     ;; set the test final status
						     (let* ((this-step-status (cond
									       ((and (eq? (vector-ref exit-info 2) 2) logpro-used) 'warn)
									       ((eq? (vector-ref exit-info 2) 0)                   'pass)
									       (else 'fail)))
							    (overall-status   (cond
									       ((eq? rollup-status 2) 'warn)







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						   ;;   (if (and prevstep (file-exists? prev-env))
						   ;;       (set! script (conc script "source " prev-env))))
						   
						   ;; call the command using mt_ezstep
						   (set! script (conc "mt_ezstep " stepname " " (if prevstep prevstep "-") " " stepcmd))

						   (debug:print 4 "script: " script)

						   (rmt:teststep-set-status! run-id test-id stepname "start" "-" #f #f)
						   ;; now launch
						   (let ((pid (process-run script)))
						     (rmt:test-set-top-process-pid run-id test-id pid)
						     (let processloop ((i 0))
						       (let-values (((pid-val exit-status exit-code)(process-wait pid #t)))
								   (mutex-lock! m)
								   (vector-set! exit-info 0 pid)
								   (vector-set! exit-info 1 exit-status)
								   (vector-set! exit-info 2 exit-code)
								   (mutex-unlock! m)
								   (if (eq? pid-val 0)
								       (begin
									 (thread-sleep! 2)
									 (processloop (+ i 1))))
								   ))
                                                     (let ((exinfo (vector-ref exit-info 2))
                                                           (logfna (if logpro-used (conc stepname ".html") "")))

						       (rmt:teststep-set-status! run-id test-id stepname "end" exinfo #f logfna))
						     (if logpro-used
							 (rmt:test-set-log! run-id test-id (conc stepname ".html")))
						     ;; set the test final status
						     (let* ((this-step-status (cond
									       ((and (eq? (vector-ref exit-info 2) 2) logpro-used) 'warn)
									       ((eq? (vector-ref exit-info 2) 0)                   'pass)
									       (else 'fail)))
							    (overall-status   (cond
									       ((eq? rollup-status 2) 'warn)
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						       (debug:print 4 "Exit value received: " (vector-ref exit-info 2) " logpro-used: " logpro-used 
								    " this-step-status: " this-step-status " overall-status: " overall-status 
								    " next-status: " next-status " rollup-status: " rollup-status)
						       (case next-status
							 ((warn)
							  (set! rollup-status 2)
							  ;; NB// test-set-status! does rdb calls under the hood
							  (tests:test-set-status! test-id next-state "WARN" 
									  (if (eq? this-step-status 'warn) "Logpro warning found" #f)
									  #f))
							 ((pass)
							  (tests:test-set-status! test-id next-state "PASS" #f #f))
							 (else ;; 'fail
							  (set! rollup-status 1) ;; force fail, this used to be next-state but that doesn't make sense. should always be "COMPLETED" 
							  (tests:test-set-status! test-id "COMPLETED" "FAIL" (conc "Failed at step " stepname) #f)
							  ))))
						   (if (and (steprun-good? logpro-used (vector-ref exit-info 2))
							    (not (null? tal)))
						       (loop (car tal) (cdr tal) stepname)))
						 (debug:print 4 "WARNING: a prior step failed, stopping at " ezstep))))))))
		 (monitorjob   (lambda ()
				 (let* ((start-seconds (current-seconds))
					(calc-minutes  (lambda ()
							 (inexact->exact 
							  (round 
							   (- 
							    (current-seconds) 
							    start-seconds)))))
					(kill-tries 0))


				   (tests:set-full-meta-info #f test-id run-id (calc-minutes) work-area 10)
				   (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-partial-meta-info #f test-id run-id minutes work-area 10)
				       (if kill-job? 
					   (begin
					     (mutex-lock! m)
					     ;; NOTE: The pid can change as different steps are run. Do we need handshaking between this
					     ;;       section and the runit section? Or add a loop that tries three times with a 1/4 second
					     ;;       between tries?
					     (let* ((pid (vector-ref exit-info 0)))


					       (if (number? pid)



						   (handle-exceptions
						    exn
						    (debug:print-info 0 "Unable to kill process with pid " pid ", possibly already killed.")
						    ;;(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)
								   ;; (process-signal pid signal/kill))))) ;; 
								   (system (conc "kill -9 " p-id))))))

							 (car processes)))

						      (system (conc "kill -9 -" pid))
						      (tests:test-set-status! test-id "KILLED"  "KILLED" (args:get-arg "-m") #f)))
						   (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"  "KILLED" (args:get-arg "-m") #f)
						     (sqlite3:finalize! tdb)
						     (exit 1) ;; IS THIS NECESSARY OR WISE???
						     )))
					     (set! kill-tries (+ 1 kill-tries))
					     (mutex-unlock! m)))

				       ;; (sqlite3:finalize! db)
				       (if keep-going
					   (begin
					     (thread-sleep! 3) ;; (+ 3 (random 6))) ;; add some jitter to the call home time to spread out the db accesses
					     (if keep-going
						 (loop (calc-minutes)))))))
				   (tests:update-central-meta-info test-id (get-cpu-load) (get-df (current-directory))(calc-minutes) #f #f)))) ;; NOTE: Checking twice for keep-going is intentional
		 (th1          (make-thread monitorjob "monitor job"))
		 (th2          (make-thread runit "run job")))
	    (set! job-thread th2)
	    (thread-start! th1)
	    (thread-start! th2)
	    (thread-join! th2)

	    (set! keep-going #f)
	    (thread-join! th1)
	    ;; (thread-sleep! 1)
	    ;; (thread-terminate! th1) ;; Not sure if this is a good idea
	    (thread-sleep! 1)       ;; give thread th1 a chance to be done TODO: Verify this is needed. At 0.1 I was getting fail to stop, increased to total of 1.1 sec.
	    ;; (tests:update-central-meta-info test-id cpuload diskfree minutes #f #f)
	    (mutex-lock! m)
	    (let* ((item-path (item-list->path itemdat))
		   ;; only state and status needed - use lazy routine
		   (testinfo  (cdb:remote-run db:get-testinfo-state-status #f test-id))) ;;;(cdb:get-test-info-by-id *runremote* test-id))) ;; )) ;; run-id test-name item-path)))
	      ;; Am I completed?
	      (if (member (db:test-get-state testinfo) '("REMOTEHOSTSTART" "RUNNING")) ;; NOTE: It should *not* be REMOTEHOSTSTART but for reasons I don't yet understand it sometimes gets stuck in that state ;; (not (equal? (db:test-get-state testinfo) "COMPLETED"))
		  (let ((new-state  (if kill-job? "KILLED" "COMPLETED") ;; (if (eq? (vector-ref exit-info 2) 0) ;; exited with "good" status
				                                        ;; "COMPLETED"
							                ;; (db:test-get-state testinfo)))   ;; else preseve the state as set within the test
				    )
			(new-status (cond
				     ((not (vector-ref exit-info 1)) "FAIL") ;; job failed to run
				     ((eq? rollup-status 0)
				      ;; if the current status is AUTO then defer to the calculated value (i.e. leave this AUTO)
				      (if (equal? (db:test-get-status testinfo) "AUTO") "AUTO" "PASS"))
				     ((eq? rollup-status 1) "FAIL")
				     ((eq? rollup-status 2)
				      ;; if the current status is AUTO the defer to the calculated value but qualify (i.e. make this AUTO-WARN)
				      (if (equal? (db:test-get-status testinfo) "AUTO") "AUTO-WARN" "WARN"))
				     (else "FAIL")))) ;; (db:test-get-status testinfo)))
		    (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
		    ;; NO NEED TO CALL roll-up-pass-fail-counts HERE, THIS IS DONE IN roll-up-pass-fail-counts called by tests:test-set-status!
		    ;; (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.







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						       (debug:print 4 "Exit value received: " (vector-ref exit-info 2) " logpro-used: " logpro-used 
								    " this-step-status: " this-step-status " overall-status: " overall-status 
								    " next-status: " next-status " rollup-status: " rollup-status)
						       (case next-status
							 ((warn)
							  (set! rollup-status 2)
							  ;; NB// test-set-status! does rdb calls under the hood
							  (tests:test-set-status! run-id test-id next-state "WARN" 
									  (if (eq? this-step-status 'warn) "Logpro warning found" #f)
									  #f))
							 ((pass)
							  (tests:test-set-status! run-id test-id next-state "PASS" #f #f))
							 (else ;; 'fail
							  (set! rollup-status 1) ;; force fail, this used to be next-state but that doesn't make sense. should always be "COMPLETED" 
							  (tests:test-set-status! run-id test-id "COMPLETED" "FAIL" (conc "Failed at step " stepname) #f)
							  ))))
						   (if (and (steprun-good? logpro-used (vector-ref exit-info 2))
							    (not (null? tal)))
						       (loop (car tal) (cdr tal) stepname)))
						 (debug:print 4 "WARNING: a prior step failed, stopping at " ezstep))))))))
		 (monitorjob   (lambda ()
				 (let* ((start-seconds (current-seconds))
					(calc-minutes  (lambda ()
							 (inexact->exact 
							  (round 
							   (- 
							    (current-seconds) 
							    start-seconds)))))
					(kill-tries 0))
				   ;; (tests:set-full-meta-info #f test-id run-id (calc-minutes) work-area)
				   ;; (tests:set-full-meta-info test-id run-id (calc-minutes) work-area)
				   (tests:set-full-meta-info #f test-id run-id (calc-minutes) work-area 10)
				   (let loop ((minutes   (calc-minutes)))
				     (begin
				       (set! kill-job? (or (test-get-kill-request run-id 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)))))

				       (tests:update-central-meta-info run-id test-id (get-cpu-load) (get-df (current-directory))(calc-minutes) #f #f)
				       (if kill-job? 
					   (begin
					     (mutex-lock! m)
					     ;; NOTE: The pid can change as different steps are run. Do we need handshaking between this
					     ;;       section and the runit section? Or add a loop that tries three times with a 1/4 second
					     ;;       between tries?
					     (let* ((pid1 (vector-ref exit-info 0))
						    (pid2 (rmt:test-get-top-process-pid run-id test-id))
						    (pids (delete-duplicates (filter number? (list pid1 pid2)))))
					       (if (not (null? pids))
						   (begin
						     (for-each
						      (lambda (pid)
							(handle-exceptions
							 exn


							 (begin
							   (debug:print-info 0 "Unable to kill process with pid " pid ", possibly already killed.")
							   (debug:print 0 " message: " ((condition-property-accessor 'exn 'message) exn)))
							 (debug:print 0 "WARNING: Request received to kill job " pid) ;;  " (attempt # " kill-tries ")")







							 (if (process:alive? pid)
							     (begin

							       (process-signal pid signal/int)

							       (thread-sleep! 5)
							       (if (process:process-alive? pid)
								   (process-signal pid signal/kill))))))
						      pids)
						     (tests:test-set-status! run-id test-id "KILLED"  "KILLED" (args:get-arg "-m") #f))
						   (begin
						     (debug:print 0 "ERROR: Nothing to kill, pid1=" pid1 ", pid2=" pid2)
						     (tests:test-set-status! run-id test-id "KILLED"  "FAILED TO KILL" (args:get-arg "-m") #f)


						     )))

					     (mutex-unlock! m)
					     ;; no point in sticking around. Exit now.
					     (exit)))
				       (if keep-going
					   (begin
					     (thread-sleep! 3) ;; (+ 3 (random 6))) ;; add some jitter to the call home time to spread out the db accesses
					     (if keep-going
						 (loop (calc-minutes)))))))
				   (tests:update-central-meta-info run-id test-id (get-cpu-load) (get-df (current-directory))(calc-minutes) #f #f)))) ;; NOTE: Checking twice for keep-going is intentional
		 (th1          (make-thread monitorjob "monitor job"))
		 (th2          (make-thread runit "run job")))
	    (set! job-thread th2)
	    (thread-start! th1)
	    (thread-start! th2)
	    (thread-join! th2)
	    (debug:print-info 0 "Megatest exectute of test " test-name ", item path " item-path " complete. Notifying the db ...")
	    (set! keep-going #f)
	    (thread-join! th1)


	    (thread-sleep! 1)       ;; give thread th1 a chance to be done TODO: Verify this is needed. At 0.1 I was getting fail to stop, increased to total of 1.1 sec.

	    (mutex-lock! m)
	    (let* ((item-path (item-list->path itemdat))
		   ;; only state and status needed - use lazy routine
		   (testinfo  (rmt:get-testinfo-state-status run-id test-id)))
	      ;; Am I completed?
	      (if (member (db:test-get-state testinfo) '("REMOTEHOSTSTART" "RUNNING")) ;; NOTE: It should *not* be REMOTEHOSTSTART but for reasons I don't yet understand it sometimes gets stuck in that state ;; (not (equal? (db:test-get-state testinfo) "COMPLETED"))
		  (let ((new-state  (if kill-job? "KILLED" "COMPLETED") ;; (if (eq? (vector-ref exit-info 2) 0) ;; exited with "good" status
				                                        ;; "COMPLETED"
							                ;; (db:test-get-state testinfo)))   ;; else preseve the state as set within the test
				    )
			(new-status (cond
				     ((not (vector-ref exit-info 1)) "FAIL") ;; job failed to run
				     ((eq? rollup-status 0)
				      ;; if the current status is AUTO then defer to the calculated value (i.e. leave this AUTO)
				      (if (equal? (db:test-get-status testinfo) "AUTO") "AUTO" "PASS"))
				     ((eq? rollup-status 1) "FAIL")
				     ((eq? rollup-status 2)
				      ;; if the current status is AUTO the defer to the calculated value but qualify (i.e. make this AUTO-WARN)
				      (if (equal? (db:test-get-status testinfo) "AUTO") "AUTO-WARN" "WARN"))
				     (else "FAIL")))) ;; (db:test-get-status testinfo)))
		    (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! run-id 
					    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
		    ;; NO NEED TO CALL roll-up-pass-fail-counts HERE, THIS IS DONE IN roll-up-pass-fail-counts called by tests:test-set-status!




		    ))
	      ;; for automated creation of the rollup html file this is a good place...
	      (if (not (equal? item-path ""))
		  (tests:summarize-items 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.
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	(set! *configinfo* (find-and-read-config 
			    (if (args:get-arg "-config")(args:get-arg "-config") "megatest.config")
			    environ-patt: "env-override"
			    given-toppath: (get-environment-variable "MT_RUN_AREA_HOME")
			    pathenvvar: "MT_RUN_AREA_HOME"))
	(set! *configdat*  (if (car *configinfo*)(car *configinfo*) #f))
	(set! *toppath*    (if (car *configinfo*)(cadr *configinfo*) #f))


























	(if *toppath*

	    (setenv "MT_RUN_AREA_HOME" *toppath*) ;; to be deprecated

	    (debug:print 0 "ERROR: failed to find the top path to your Megatest area."))))

  *toppath*)

(define (get-best-disk confdat)
  (let* ((disks    (hash-table-ref/default confdat "disks" #f))
	 (best     #f)
	 (bestsize 0))
    (if disks 
	(for-each 
	 (lambda (disk-num)
	   (let* ((dirpath    (cadr (assoc disk-num disks)))
		  (freespc    (if (and (directory? dirpath)




				       (file-write-access? dirpath))



				  (get-df dirpath)
				  (begin

				    (debug:print 0 "WARNING: path " dirpath " in [disks] section not valid or writable")


				    0))))
	     (if (> freespc bestsize)
		 (begin
		   (set! best     dirpath)
		   (set! bestsize freespc)))))
	 (map car disks)))
    (if best
	best
	(begin

	  (debug:print 0 "ERROR: No valid disks found in megatest.config. Please add some to your [disks] section")
	  (exit 1)))))

;; Desired directory structure:
;;
;;  <linkdir> - <target> - <testname> -.
;;                                     |
;;                                     v
;;  <rundir>  -  <target>  -    <testname> -|- <itempath(s)>
;;
;;  dir stored in test is:
;; 
;;  <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))

	 ;; nb// if itempath is not "" then it is prefixed with "/"
	 (toptest-path (conc disk-path "/" testtop-base))
	 (test-path    (conc disk-path "/" test-base))

	 ;; ensure this exists first as links to subtests must be created there
	 (linktree  (let ((rd (config-lookup *configdat* "setup" "linktree")))
		      (if rd rd (conc *toppath* "/runs"))))

	 (lnkbase  (conc linktree "/" target "/" runname))
	 (lnkpath  (conc lnkbase "/" testname))
	 (lnkpathf (conc lnkpath (if not-iterated "" "/") item-path)))


    ;; Update the rundir path in the test record for all

    (cdb:test-set-rundir-by-test-id *runremote* test-id lnkpathf)

    (debug:print 2 "INFO:\n       lnkbase=" lnkbase "\n       lnkpath=" lnkpath "\n  toptest-path=" toptest-path "\n     test-path=" test-path)
    (if (not (file-exists? linktree))
	(begin
	  (debug:print 0 "WARNING: linktree did not exist! Creating it now at " linktree)
	  (create-directory linktree #t))) ;; (system (conc "mkdir -p " linktree))))
    ;; create the directory for the tests dir links, this is needed no matter what...
    (if (and (not (directory-exists? lnkbase))
	     (not (file-exists? lnkbase)))
	(create-directory lnkbase #t))
    
    ;; update the toptest record with its location rundir, cache the path
    ;; This wass highly inefficient, one db write for every subtest, potentially
    ;; thousands of unnecessary updates, cache the fact it was set and don't set it 
    ;; again. 

    ;; NB - This is not working right - some top tests are not getting the path set!!!

    (if (not (hash-table-ref/default *toptest-paths* testname #f))
	(let* ((testinfo       (cdb:get-test-info-by-id *runremote* test-id)) ;;  run-id testname item-path))
	       (curr-test-path (if testinfo (db:test-get-rundir testinfo) #f)))
	  (hash-table-set! *toptest-paths* testname curr-test-path)
	  ;; NB// Was this for the test or for the parent in an iterated test?
	  (cdb:test-set-rundir! *runremote* run-id testname "" lnkpath) ;; toptest-path)
	  (if (or (not curr-test-path)
		  (not (directory-exists? toptest-path)))
	      (begin
		(debug:print-info 2 "Creating " toptest-path " and link " lnkpath)
		(create-directory toptest-path #t)
		(hash-table-set! *toptest-paths* testname toptest-path)))))

    ;; Now create the link from the test path to the link tree, however
    ;; if the test is iterated it is necessary to create the parent path
    ;; to the iteration. use pathname-directory to trim the path by one
    ;; level
    (if (not not-iterated) ;; i.e. iterated
	(let ((iterated-parent  (pathname-directory (conc lnkpath "/" item-path))))
	  (debug:print-info 2 "Creating iterated parent " iterated-parent)







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	(set! *configinfo* (find-and-read-config 
			    (if (args:get-arg "-config")(args:get-arg "-config") "megatest.config")
			    environ-patt: "env-override"
			    given-toppath: (get-environment-variable "MT_RUN_AREA_HOME")
			    pathenvvar: "MT_RUN_AREA_HOME"))
	(set! *configdat*  (if (car *configinfo*)(car *configinfo*) #f))
	(set! *toppath*    (if (car *configinfo*)(cadr *configinfo*) #f))
	(let ((linktree (configf:lookup *configdat* "setup" "linktree"))) ;; link tree is critical
	  (if linktree
	      (if (not (file-exists? linktree))
		  (begin
		    (handle-exceptions
		     exn
		     (begin
		       (debug:print 0 "ERROR: Something went wrong when trying to create linktree dir at " linktree)
		       (debug:print 0 " message: " ((condition-property-accessor 'exn 'message) exn))
		       (exit 1))
		     (create-directory linktree #t))))
	      (begin
		(debug:print 0 "ERROR: linktree not defined in [setup] section of megatest.config")
		(exit 1)))
	  (if linktree
	      (let ((dbdir (conc linktree "/.db")))
		(handle-exceptions
		 exn
		 (begin
		   (debug:print 0 "ERROR: failed to create the " dbdir " area for your database files")
		   (debug:print 0 " message: " ((condition-property-accessor 'exn 'message) exn)))
		 (if (not (directory-exists? dbdir))(create-directory dbdir)))
		(setenv "MT_LINKTREE" linktree))
	      (begin
		(debug:print 0 "ERROR: linktree is required in your megatest.config [setup] section")
		(exit 1)))
	  (if (and *toppath*
		   (directory-exists? *toppath*))
	      (setenv "MT_RUN_AREA_HOME" *toppath*)
	      (begin
		(debug:print 0 "ERROR: failed to find the top path to your Megatest area.")
		(exit 1))))))
  *toppath*)

(define (get-best-disk confdat)
  (let* ((disks    (hash-table-ref/default confdat "disks" #f))
	 (best     #f)
	 (bestsize 0))
    (if disks 
	(for-each 
	 (lambda (disk-num)
	   (let* ((dirpath    (cadr (assoc disk-num disks)))
		  (freespc    (cond
			       ((not (directory? dirpath))
				(if (common:low-noise-print 20 "disks" disk-num)
				    (debug:print 0 "WARNING: disk " disk-num " at path " dirpath " is not a directory - ignoring it."))
				-1)
			       ((not (file-write-access? dirpath))
				(if (common:low-noise-print 20 "disks" disk-num)
				    (debug:print 0 "WARNING: disk " disk-num " at path " dirpath " is not writeable - ignoring it."))
				-1)
			       ((not (eq? (string-ref dirpath 0) #\/))

				(if (common:low-noise-print 20 "disks" disk-num)
				    (debug:print 0 "WARNING: disk " disk-num " at path " dirpath " is not a fully qualified path - ignoring it."))
				-1)
			       (else
				(get-df dirpath)))))
	     (if (> freespc bestsize)
		 (begin
		   (set! best     dirpath)
		   (set! bestsize freespc)))))
	 (map car disks)))
    (if (and best (> bestsize 0))
	best
	(begin
	  (if (common:low-noise-print 20 "no valid disks")
	      (debug:print 0 "ERROR: No valid disks found in megatest.config. Please add some to your [disks] section and ensure the directory exists!"))
	  (exit 1)))))

;; Desired directory structure:
;;
;;  <linkdir> - <target> - <testname> -.
;;                                     |
;;                                     v
;;  <rundir>  -  <target>  -    <testname> -|- <itempath(s)>
;;
;;  dir stored in test is:
;; 
;;  <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 #!key (remtries 2))
  (let* ((item-path (item-list->path itemdat))
	 (runname  (db:get-value-by-header (db:get-rows 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))

	 ;; nb// if itempath is not "" then it is prefixed with "/"
	 (toptest-path (conc disk-path "/" testtop-base))
	 (test-path    (conc disk-path "/" test-base))

	 ;; ensure this exists first as links to subtests must be created there
	 (linktree  (let ((rd (config-lookup *configdat* "setup" "linktree")))
		      (if rd rd (conc *toppath* "/runs"))))

	 (lnkbase   (conc linktree "/" target "/" runname))
	 (lnkpath   (conc lnkbase "/" testname))
	 (lnkpathf  (conc lnkpath (if not-iterated "" "/") item-path))
	 (lnktarget (conc lnkpath "/" item-path)))

    ;; Update the rundir path in the test record for all, rundir=physical, shortdir=logical
    ;;                                                 rundir   shortdir
    (rmt:general-call 'test-set-rundir-shortdir run-id lnkpathf test-path testname item-path)

    (debug:print 2 "INFO:\n       lnkbase=" lnkbase "\n       lnkpath=" lnkpath "\n  toptest-path=" toptest-path "\n     test-path=" test-path)
    (if (not (file-exists? linktree))
	(begin
	  (debug:print 0 "WARNING: linktree did not exist! Creating it now at " linktree)
	  (create-directory linktree #t))) ;; (system (conc "mkdir -p " linktree))))
    ;; create the directory for the tests dir links, this is needed no matter what...
    (if (and (not (directory-exists? lnkbase))
	     (not (file-exists? lnkbase)))
	(create-directory lnkbase #t))
    
    ;; update the toptest record with its location rundir, cache the path
    ;; This wass highly inefficient, one db write for every subtest, potentially
    ;; thousands of unnecessary updates, cache the fact it was set and don't set it 
    ;; again. 
















    ;; Now create the link from the test path to the link tree, however
    ;; if the test is iterated it is necessary to create the parent path
    ;; to the iteration. use pathname-directory to trim the path by one
    ;; level
    (if (not not-iterated) ;; i.e. iterated
	(let ((iterated-parent  (pathname-directory (conc lnkpath "/" item-path))))
	  (debug:print-info 2 "Creating iterated parent " iterated-parent)
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	(handle-exceptions
	 exn
	 (begin
	   (debug:print 0 "ERROR:  Failed to create symlink " lnkpath ((condition-property-accessor 'exn 'message) exn) ", exiting")
	   (exit 1))
	 (create-symbolic-link toptest-path lnkpath)))
    




























    ;; The toptest path has been created, the link to the test in the linktree has
    ;; been created. Now, if this is an iterated test the real test dir must be created
    (if (not not-iterated) ;; this is an iterated test
	(let ((lnktarget (conc lnkpath "/" item-path)))
	  (debug:print 2 "Setting up sub test run area")
	  (debug:print 2 " - creating run area in " test-path)
	  (handle-exceptions
	   exn
	   (begin
	     (debug:print 0 "ERROR:  Failed to create directory " test-path ((condition-property-accessor 'exn 'message) exn) ", exiting")
	     (exit 1))
	   (create-directory test-path #t))
	  (debug:print 2 
		       " - creating link from: " test-path "\n"
		       "                   to: " lnktarget)

	  ;; If there is already a symlink delete it and recreate it.
	  (handle-exceptions
	   exn
	   (begin
	     (debug:print 0 "ERROR:  Failed to re-create link " lnktarget ((condition-property-accessor 'exn 'message) exn) ", exiting")
	     (exit))
	   (if (symbolic-link? lnktarget)     (delete-file lnktarget))
	   (if (not (file-exists? lnktarget)) (create-symbolic-link test-path lnktarget)))))

    ;; I suspect this section was deleting test directories under some 
    ;; wierd sitations? This doesn't make sense - reenabling the rm -f 
    ;; I honestly don't remember *why* this chunk was needed...
    ;; (let ((testlink (conc lnkpath "/" testname)))
    ;;   (if (and (file-exists? testlink)
    ;;            (or (regular-file? testlink)
    ;;     	   (symbolic-link? testlink)))
    ;;       (system (conc "rm -f " testlink)))
    ;;   (system  (conc "ln -sf " test-path " " testlink)))
    (if (directory? test-path)
	(begin
	  (let* ((ovrcmd (let ((cmd (config-lookup *configdat* "setup" "testcopycmd")))
			   (if cmd
			       ;; substitute the TEST_SRC_PATH and TEST_TARG_PATH
			       (string-substitute "TEST_TARG_PATH" test-path
						  (string-substitute "TEST_SRC_PATH" test-src-path cmd #t) #t)
			       #f)))
		 (cmd    (if ovrcmd 
			     ovrcmd
			     (conc "rsync -av" (if (debug:debug-mode 1) "" "q") " " test-src-path "/ " test-path "/"
				   " >> " test-path "/mt_launch.log 2>> " test-path "/mt_launch.log")))
		 (status (system cmd)))
	    (if (not (eq? status 0))
		(debug:print 2 "ERROR: problem with running \"" cmd "\"")))
	  (list lnkpathf lnkpath ))





	(list #f #f))))

;; 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







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	(handle-exceptions
	 exn
	 (begin
	   (debug:print 0 "ERROR:  Failed to create symlink " lnkpath ((condition-property-accessor 'exn 'message) exn) ", exiting")
	   (exit 1))
	 (create-symbolic-link toptest-path lnkpath)))
    
    ;; NB - This was not working right - some top tests are not getting the path set!!!
    ;;
    ;; Do the setting of this record after the paths are created so that the shortdir can 
    ;; be set to the real directory location. This is safer for future clean up if the link
    ;; tree is damaged or lost.
    ;; 
    (if (not (hash-table-ref/default *toptest-paths* testname #f))
	(let* ((testinfo       (rmt:get-test-info-by-id run-id test-id)) ;;  run-id testname item-path))
	       (curr-test-path (if testinfo ;; (filedb:get-path *fdb*
							     ;; (db:get-path dbstruct
				   ;; (rmt:sdb-qry 'getstr 
				   (db:test-get-rundir testinfo) ;; ) ;; )
				   #f)))
	  (hash-table-set! *toptest-paths* testname curr-test-path)
	  ;; NB// Was this for the test or for the parent in an iterated test?
	  (rmt:general-call 'test-set-rundir-shortdir run-id lnkpath 
			    (if (file-exists? lnkpath)
				(resolve-pathname lnkpath)
				lnkpath)
			    testname "")
	  ;; (rmt:general-call 'test-set-rundir run-id lnkpath testname "") ;; toptest-path)
	  (if (or (not curr-test-path)
		  (not (directory-exists? toptest-path)))
	      (begin
		(debug:print-info 2 "Creating " toptest-path " and link " lnkpath)
		(create-directory toptest-path #t)
		(hash-table-set! *toptest-paths* testname toptest-path)))))

    ;; The toptest path has been created, the link to the test in the linktree has
    ;; been created. Now, if this is an iterated test the real test dir must be created
    (if (not not-iterated) ;; this is an iterated test
	(begin ;; (let ((lnktarget (conc lnkpath "/" item-path)))
	  (debug:print 2 "Setting up sub test run area")
	  (debug:print 2 " - creating run area in " test-path)
	  (handle-exceptions
	   exn
	   (begin
	     (debug:print 0 "ERROR:  Failed to create directory " test-path ((condition-property-accessor 'exn 'message) exn) ", exiting")
	     (exit 1))
	   (create-directory test-path #t))
	  (debug:print 2 
		       " - creating link from: " test-path "\n"
		       "                   to: " lnktarget)

	  ;; If there is already a symlink delete it and recreate it.
	  (handle-exceptions
	   exn
	   (begin
	     (debug:print 0 "ERROR:  Failed to re-create link " linktarget ((condition-property-accessor 'exn 'message) exn) ", exiting")
	     (exit))
	   (if (symbolic-link? lnktarget)     (delete-file lnktarget))
	   (if (not (file-exists? lnktarget)) (create-symbolic-link test-path lnktarget)))))

    (if (not (directory? test-path))
	(create-directory test-path #t)) ;; this is a hack, I don't know why out of the blue this path does not exist sometimes







    (if (directory? test-path)
	(begin
	  (let* ((ovrcmd (let ((cmd (config-lookup *configdat* "setup" "testcopycmd")))
			   (if cmd
			       ;; substitute the TEST_SRC_PATH and TEST_TARG_PATH
			       (string-substitute "TEST_TARG_PATH" test-path
						  (string-substitute "TEST_SRC_PATH" test-src-path cmd #t) #t)
			       #f)))
		 (cmd    (if ovrcmd 
			     ovrcmd
			     (conc "rsync -av" (if (debug:debug-mode 1) "" "q") " " test-src-path "/ " test-path "/"
				   " >> " test-path "/mt_launch.log 2>> " test-path "/mt_launch.log")))
		 (status (system cmd)))
	    (if (not (eq? status 0))
		(debug:print 2 "ERROR: problem with running \"" cmd "\"")))
	  (list lnkpathf lnkpath ))
	(if (> remtries 0)
	    (begin
	      (debug:print 0 "ERROR: Failed to create work area at " test-path " with link at " lnktarget ", remaining attempts " remtries)
	      ;; 
	      (create-work-area run-id run-info keyvals test-id test-src-path disk-path testname itemdat remtries: (- remtries 1)))
	    (list #f #f)))))

;; 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
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	 (work-area  #f)
	 (toptest-work-area #f) ;; for iterated tests the top test contains data relevant for all
	 (diskpath   #f)
	 (cmdparms   #f)
	 (fullcmd    #f) ;; (define a (with-output-to-string (lambda ()(write x))))
	 (mt-bindir-path #f)
	 ;; (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") '()))))
    (setenv "MT_ITEMPATH" item-path)
    (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
    (if (and (args:get-arg "-preclean") ;; user has requested to preclean for this run
	     (not (equal? (db:test-get-rundir testinfo) "n/a"))) ;; n/a is a placeholder and thus not a read dir
	(begin 
	  (debug:print-info 0 "attempting to preclean directory " (db:test-get-rundir testinfo) " for test " test-name "/" item-path)
	  (runs:remove-test-directory #f testinfo #t))) ;; remove data only, do not perturb the record





    (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")))
    (set! cmdparms (base64:base64-encode 

		    (with-output-to-string
		      (lambda () ;; (list 'hosts     hosts)
			(write (list (list 'testpath  test-path)
				     ;; (list 'runremote *runremote*)
				     (list 'transport (conc *transport-type*))
				     (list 'serverinf *server-info*)
				     (list 'toppath   *toppath*)
				     (list 'work-area work-area)
				     (list 'test-name test-name) 
				     (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
      (set! fullcmd (append launcher (car hosts)(list remote-megatest test-sig "-execute" cmdparms) debug-param)))
     ;; (set! fullcmd (append launcher (car hosts)(list remote-megatest test-sig "-execute" cmdparms))))
     (launcher
      (set! fullcmd (append launcher (list remote-megatest test-sig "-execute" cmdparms) debug-param)))
     ;; (set! fullcmd (append launcher (list remote-megatest test-sig "-execute" cmdparms))))







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	 (work-area  #f)
	 (toptest-work-area #f) ;; for iterated tests the top test contains data relevant for all
	 (diskpath   #f)
	 (cmdparms   #f)
	 (fullcmd    #f) ;; (define a (with-output-to-string (lambda ()(write x))))
	 (mt-bindir-path #f)
	 ;; (test-id    (cdb:remote-run db:get-test-id #f run-id test-name item-path))
	 (testinfo   (rmt:get-test-info-by-id run-id 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") '()))))
    (setenv "MT_ITEMPATH" item-path)
    (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
    (if (and (args:get-arg "-preclean") ;; user has requested to preclean for this run
	     (not (member (db:test-get-rundir testinfo)(list "n/a" "/tmp/badname")))) ;; n/a is a placeholder and thus not a read dir
	(begin
	  (debug:print-info 0 "attempting to preclean directory " (db:test-get-rundir testinfo) " for test " test-name "/" item-path)
	  (runs:remove-test-directory #f testinfo #t))) ;; remove data only, do not perturb the record

    ;; prevent overlapping actions - set to LAUNCHED as early as possible
    ;;
    (tests:test-set-status! run-id test-id "LAUNCHED" "n/a" #f #f) ;; (if launch-results launch-results "FAILED"))
    (rmt:roll-up-pass-fail-counts run-id test-name item-path "LAUNCHED")
    (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")))
    (set! cmdparms (base64:base64-encode 
		    (z3:encode-buffer 
		     (with-output-to-string
		       (lambda () ;; (list 'hosts     hosts)
			 (write (list (list 'testpath  test-path)

				      (list 'transport (conc *transport-type*))
				      (list 'serverinf *server-info*)
				      (list 'toppath   *toppath*)
				      (list 'work-area work-area)
				      (list 'test-name test-name) 
				      (list 'runscript runscript) 
				      (list 'run-id    run-id   )
				      (list 'test-id   test-id  )
				      ;; (list 'item-path item-path )
				      (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

    ;; (rmt:delete-test-step-records run-id test-id)
    (change-directory work-area) ;; so that log files from the launch process don't clutter the test dir

    (cond
     ((and launcher hosts) ;; must be using ssh hostname
      (set! fullcmd (append launcher (car hosts)(list remote-megatest test-sig "-execute" cmdparms) debug-param)))
     ;; (set! fullcmd (append launcher (car hosts)(list remote-megatest test-sig "-execute" cmdparms))))
     (launcher
      (set! fullcmd (append launcher (list remote-megatest test-sig "-execute" cmdparms) debug-param)))
     ;; (set! fullcmd (append launcher (list remote-megatest test-sig "-execute" cmdparms))))