Megatest

(define (nice-path dir)
  (normalize-pathname (if (absolute-pathname? dir)
			  dir
			  (conc (current-directory) "/" dir))))

(define (get-cpu-load)
  (car (common:get-cpu-load)))
;;   (let* ((load-res (process:cmd-run->list "uptime"))
;; 	 (load-rx  (regexp "load average:\\s+(\\d+)"))
;; 	 (cpu-load #f))
;;     (for-each (lambda (l)
;; 		(let ((match (string-search load-rx l)))
;; 		  (if match
;; 		      (let ((newval (string->number (cadr match))))
;; 			(if (number? newval)

;; wait for normalized cpu load to drop below maxload
;;
(define (common:wait-for-normalized-load maxload #!key (msg #f))
  (let ((num-cpus (common:get-num-cpus)))
    (common:wait-for-cpuload maxload num-cpus 15 msg: msg)))

(define (get-uname . params)
  (let* ((uname-res (process:cmd-run->list (conc "uname " (if (null? params) "-a" (car params)))))
	 (uname #f))
    (if (null? (car uname-res))
	"unknown"
	(caar uname-res))))

;; for reasons I don't understand multiple calls to real-path in parallel threads
;; must be protected by mutexes
;;
(define (common:real-path inpath)
  ;; (process:cmd-run-with-stderr->list "readlink" "-f" inpath)) ;; cmd . params)
  ;; (let-values 
  ;;  (((inp oup pid) (process "readlink" (list "-f" inpath))))
  ;;  (with-input-from-port inp
  ;;    (let loop ((inl (read-line))
  ;;       	(res #f))
  ;;      (print "inl=" inl)
  ;;      (if (eof-object? inl)

;; D I S K   S P A C E 
;;======================================================================

(define (common:get-disk-space-used fpath)
  (with-input-from-pipe (conc "/usr/bin/du -s " fpath) read))

(define (get-df path)
  (let* ((df-results (process:cmd-run->list (conc "df " path)))
	 (space-rx   (regexp "([0-9]+)\\s+([0-9]+)%"))
	 (freespc    #f))
    ;; (write df-results)
    (for-each (lambda (l)
		(let ((match (string-search space-rx l)))
		  (if match 
		      (let ((newval (string->number (cadr match))))

;;======================================================================
;; Config file handling
;;======================================================================

(use regex regex-case) ;;  directory-utils)
(declare (unit configf))
(declare (uses process))

(include "common_records.scm")

;; return list (path fullpath configname)
(define (find-config configname #!key (toppath #f))
  (if toppath
      (let ((cfname (conc toppath "/" configname)))

(define (config:eval-string-in-environment str)
  (handle-exceptions
   exn
   (begin
     (debug:print 0 "ERROR: problem evaluating \"" str "\" in the shell environment")
     #f)
   (let ((cmdres (process:cmd-run->list (conc "echo " str))))
     (if (null? cmdres) ""
	 (caar cmdres)))))

;;======================================================================
;; Make the regexp's needed globally available
;;======================================================================

			 (debug:print-info 9 "for line \"" l "\"\n command:  " cmd " took " delta " seconds to run with output:\n   " result)))))
		(loop (conc prestr result poststr)))
	      res))
	res)))

;; Run a shell command and return the output as a string
(define (shell cmd)
  (let* ((output (process:cmd-run->list cmd))
	 (res    (car output))
	 (status (cadr output)))
    (if (equal? status 0)
	(let ((outres (string-intersperse 
		       res
		       "\n")))
	  (debug:print-info 4 "shell result:\n" outres)

								      (member section-name sections))
								  section-name "") ;; stick everything into ""
							      #f #f)))
	       (configf:key-sys-pr ( x key cmd      ) (if allow-system
							  (let ((alist    (hash-table-ref/default res curr-section-name '()))
								(val-proc (lambda ()
									    (let* ((start-time (current-seconds))
										   (cmdres     (process:cmd-run->list cmd))
										   (delta      (- (current-seconds) start-time))
										   (status     (cadr cmdres))
										   (res        (car  cmdres)))
									      (debug:print-info 4 "" inl "\n => " (string-intersperse res "\n"))
									      (if (not (eq? status 0))
										  (begin
										    (debug:print 0 "ERROR: problem with " inl ", return code " status

(define (db:get-tests-for-run dbstruct run-id testpatt states statuses offset limit not-in sort-by sort-order qryvals)
  (if (not (number? run-id))
      (begin ;; no need to treat this as an error by default
	(debug:print 4 "WARNING: call to db:get-tests-for-run with bad run-id=" run-id)
	;; (print-call-chain (current-error-port))
	'())
      (let* ((qryvalstr       (case qryvals
				((shortlist) "id,run_id,testname,item_path,state,status")
				((#f)        db:test-record-qry-selector) ;; "id,run_id,testname,state,status,event_time,host,cpuload,diskfree,uname,rundir,item_path,run_duration,final_logf,comment")
				(else        qryvals)))
	     (res            '())
	     ;; if states or statuses are null then assume match all when not-in is false
	     (states-qry      (if (null? states) 
				  #f
				  (conc " state "  

   (lambda (db)
     (db:first-result-default 
      db
      "SELECT attemptnum FROM tests WHERE id=?;"
      #f
      test-id))))

(define db:test-record-fields '("id"           "run_id"        "testname"  "state"      "status"      "event_time"
				"host"         "cpuload"       "diskfree"  "uname"      "rundir"      "item_path"
                                "run_duration" "final_logf"    "comment"   "shortdir"   "attemptnum"  "archived"))

;; fields *must* be a non-empty list
;;
(define (db:field->number fieldname fields)
  (if (null? fields)

		 (append result (list curr)))
	   (begin
	     (close-input-port fh)
	     (close-input-port fhe)
	     (close-output-port fho)
	     result))))) ;; )

(define (process:cmd-run-proc-each-line cmd proc . params)
  ;; (print "Called with cmd=" cmd ", proc=" proc ", params=" params)
  (handle-exceptions
   exn
   (begin
     (print "ERROR:  Failed to run command: " cmd " " (string-intersperse params " "))
     (debug:print 0 " message: " ((condition-property-accessor 'exn 'message) exn))
     (print "exn=" (condition->list exn))

		 (append result (list (proc curr))))
	   (begin
	     (close-input-port fh)
	     (close-input-port fhe)
	     (close-output-port fho)
	     result))))))

(define (process:cmd-run-proc-each-line-alt cmd proc)
  (let* ((fh (open-input-pipe cmd))
         (res (port-proc->list fh proc))
         (status (close-input-pipe fh)))
    (if (eq? status 0) res #f)))

(define (process:cmd-run->list cmd)
  (let* ((fh (open-input-pipe cmd))
         (res (port->list fh))
         (status (close-input-pipe fh)))
    (list res status)))

(define (port->list fh)
  (if (eof-object? fh) #f