Megatest

	 (first   (car loadavg))
	 (next    (cadr loadavg))
	 (adjload (* maxload (max 1 numcpus))) ;; possible bug where numcpus (or could be maxload) is zero, crude fallback is to at least use 1
	 (loadjmp (- first next)))
    (cond
     ((and (> first adjload)
	   (> count 0))
      (debug:print-info 0 *default-log-port* "waiting " waitdelay " seconds due to load " first " exceeding normalized max of " maxload "(adjusted load: " adjload ") " (if msg msg ""))
      (thread-sleep! waitdelay)
      (common:wait-for-cpuload maxload numcpus waitdelay count: (- count 1)))
     ((and (> loadjmp numcpus)
	   (> count 0))
      (debug:print-info 0 *default-log-port* "waiting " waitdelay " seconds due to load jump " loadjmp " > numcpus " numcpus (if msg msg ""))
      (thread-sleep! waitdelay)
      (common:wait-for-cpuload maxload numcpus waitdelay count: (- count 1))))))

 ;; To build patch:
 ;;;;;;;;;;;;;;;;;;;;;;;;;
 ;; ldd /p/foundry/env/pkgs/megatest/1.64/19/bin/.11/mtest
 ;;        linux-vdso.so.1 =>  (0x00002aaaaaaab000)
 ;;        libchicken.so.7 => /p/foundry/env/pkgs/megatest/1.64/chicken-4.10.0//lib/libchicken.so.7 (0x00002aaaaaaad000)
 ;;        libm.so.6 => /lib64/libm.so.6 (0x00002aaaab0a6000)
 ;;        libdl.so.2 => /lib64/libdl.so.2 (0x00002aaaab31f000)
 ;;        libc.so.6 => /lib64/libc.so.6 (0x00002aaaab523000)
 ;;        /lib64/ld-linux-x86-64.so.2 (0x0000555555554000)
 ;;
 ;;  /p/foundry/env/pkgs/megatest/1.64/chicken-4.10.0/bin/csc -s emergency-patch-3.scm
 ;;


 ;; to test patch:
 ;;;;;;;;;;;;;;;;;;;;;;;;;
 ;; in .megatestrc, add:
 ;; (if (and (> megatest-version 1.64)
 ;;         (< megatest-version 1.6421))
 ;;   (begin
 ;;      (load "/p/foundry/env/pkgs/megatest/1.64/19/share/epatch-1.so")
 ;;      (load "/p/foundry/env/pkgs/megatest/1.64/19/share/epatch-2.so"))) 
 ;;


 ;; to productize patch:
 ;;;;;;;;;;;;;;;;;;;;;;;;;
 ;; 
(use directory-utils regex)

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

;; Given a run id start a server process    ### NOTE ### > file 2>&1 
;; if the run-id is zero and the target-host is set 
;; try running on that host
;;   incidental: rotate logs in logs/ dir.
;;
(define  (server:run areapath) ;; areapath is *toppath* for a given testsuite area
  (let* ((curr-host   (get-host-name))
         ;; (attempt-in-progress (server:start-attempted? areapath))
         ;; (dot-server-url (server:check-if-running areapath))
	 (curr-ip     (server:get-best-guess-address curr-host))
	 (curr-pid    (current-process-id))
	 (homehost    (common:get-homehost)) ;; configf:lookup *configdat* "server" "homehost" ))
	 (target-host (car homehost))
	 (testsuite   (common:get-testsuite-name))
	 (logfile     (conc areapath "/logs/server.log")) ;; -" curr-pid "-" target-host ".log"))
	 (cmdln (conc (common:get-megatest-exe)
		      " -server " (or target-host "-") (if (equal? (configf:lookup *configdat* "server" "daemonize") "yes")
							   " -daemonize "
							   "")
		      ;; " -log " logfile
		      " -m testsuite:" testsuite)) ;; (conc " >> " logfile " 2>&1 &")))))
	 (log-rotate  (make-thread common:rotate-logs  "server run, rotate logs thread"))
         (load-limit  (configf:lookup-number *configdat* "server" "load-limit" default: 0.9)))
    ;; we want the remote server to start in *toppath* so push there
    (push-directory areapath)
    (debug:print 0 *default-log-port* "INFO: Trying to start server (" cmdln ") ...")
    (thread-start! log-rotate)
    
    ;; host.domain.tld match host?
    (if (and target-host 
	     ;; look at target host, is it host.domain.tld or ip address and does it 
	     ;; match current ip or hostname
	     (not (string-match (conc "("curr-host "|" curr-host"\\..*)") target-host))
	     (not (equal? curr-ip target-host)))
	(begin
	  (debug:print-info 0 *default-log-port* "Starting server on " target-host ", logfile is " logfile)
	  (setenv "TARGETHOST" target-host)))
      
    (setenv "TARGETHOST_LOGF" logfile)
    (common:wait-for-normalized-load load-limit " delaying server start due to load" remote-host: (get-environment-variable "TARGETHOST")) ;; do not try starting servers on an already overloaded machine, just wait forever
    (system (conc "nbfake " cmdln))
    (unsetenv "TARGETHOST_LOGF")
    (if (get-environment-variable "TARGETHOST")(unsetenv "TARGETHOST"))
    (thread-join! log-rotate)
    (pop-directory)))

  -h                      : this help
  -manual                 : show the Megatest user manual
  -version                : print megatest version (currently " megatest-version ")

Launching and managing runs
  -run                    : run all tests or as specified by -testpatt
  -remove-runs            : remove the data for a run, requires -runname and -testpatt
                            Optionally use :state and :status, use -keep-records to remove only
                            the run data.
  -set-state-status X,Y   : set state to X and status to Y, requires controls per -remove-runs
  -rerun FAIL,WARN...     : force re-run for tests with specificed status(s)
  -rerun-clean            : set all tests not COMPLETED+PASS,WARN,WAIVED to NOT_STARTED,n/a
                            and then run the specified testpatt with -preclean
  -rerun-all              : set all tests to NOT_STARTED,n/a and run with -preclean
  -lock                   : lock run specified by target and runname
  -unlock                 : unlock run specified by target and runname

			;; queries
			"-test-paths" ;; get path(s) to a test, ordered by youngest first

			"-runall"    ;; run all tests, respects -testpatt, defaults to %
			"-run"       ;; alias for -runall
			"-remove-runs"
                        "-keep-records" ;; use with -remove-runs to remove only the run data
			"-rebuild-db"
			"-cleanup-db"
			"-rollup"
			"-update-meta"
			"-create-megatest-area"
			"-mark-incompletes"

;;======================================================================
;; Remove old run(s)
;;======================================================================

;; since several actions can be specified on the command line the removal
;; is done first
(define (operate-on action #!key (mode #f)) ;; #f is "use default"
  (let* ((runrec (runs:runrec-make-record))
	 (target (common:args-get-target)))
    (cond
     ((not target)
      (debug:print-error 0 *default-log-port* "Missing required parameter for " action ", you must specify -target or -reqtarg")
      (exit 1))
     ((not (or (args:get-arg ":runname")

	    (common:exit-on-version-changed)
	    (runs:operate-on  action
			      target
			      (common:args-get-runname)  ;; (or (args:get-arg "-runname")(args:get-arg ":runname"))
			      (common:args-get-testpatt #f) ;; (args:get-arg "-testpatt")
			      state: (common:args-get-state)
			      status: (common:args-get-status)
			      new-state-status: (args:get-arg "-set-state-status")
                              mode: mode)))
      (set! *didsomething* #t)))))

(if (args:get-arg "-remove-runs")
    (general-run-call 
     "-remove-runs"
     "remove runs"
     (lambda (target runname keys keyvals)
       (operate-on 'remove-runs mode: (if (args:get-arg "-keep-records")
                                          'remove-data-only
                                          'remove-all)))))

(if (args:get-arg "-set-state-status")
    (general-run-call 
     "-set-state-status"
     "set state and status"
     (lambda (target runname keys keyvals)
       (operate-on 'set-state-status))))

       'adj-testids
       'old2new
       ;; 'new2old
       )
      (set! *didsomething* #t)))

(if (args:get-arg "-sync-to-megatest.db")

    (let ((res (db:multi-db-sync 
                (db:setup #f)
                'new2old)))

      (print "Synced " res " records to megatest.db")
      (set! *didsomething* #t)))

(if (args:get-arg "-sync-to")
    (let ((toppath (launch:setup)))
      (tasks:sync-to-postgres *configdat* (args:get-arg "-sync-to"))
      (set! *didsomething* #t)))

#!/usr/bin/env ruby


def get_next_tag(branch)



  abort "Not on a version branch like v1.64 (got: >#{branch}<)" unless branch.match(/^v\d\.\d\d$/)
  
  #puts "this branch: #{branch}"

  tag_pat = /#{branch}(\d\d)/
  remote=`fsl remote`.chomp.sub(/^file:\/\//,'') # get tagset from origin
  cmd="fossil tag -R '#{remote}' list"
  tags = `#{cmd}`.split /\n/
  abort "fossil command failed [#{cmd}]" if $? != 0
  branch_tags = tags.find_all{|x| x.match(tag_pat) }.sort
  if branch_tags.length == 0
    return branch + "01"
  else
    latest_tag = branch_tags.last
    m1 = latest_tag.match(tag_pat)
    minor_digits = m1[1].to_i + 1
    if (minor_digits % 10) == 0
      minor_digits += 1
    end
    new_tag=sprintf("%s%02d", branch, minor_digits)
    return new_tag
  end
end

branch = `fossil branch`.sub(/\A.*\* /m,'').sub(/\n.*\z/m,'')
tag= get_next_tag(branch)

puts "TODO: Write to megatest-version.scm:"
puts ";; Always use two or four digit decimal
;; 1.01, 1.02...1.10,1.11,1.1101 ... 1.99,2.00..

(declare (unit megatest-version))

(define megatest-version #{tag.sub(/^v/,'')})

"

puts "TODO: fossil tag add #{tag} #{branch}"
puts ""

                                  ((commfail)(vector #f "communications fail"))
                                  ((exn)(vector #f "other fail" (print-call-chain)))))
			 (else
			  (debug:print 0 *default-log-port* "ERROR: transport " (remote-transport runremote) " not supported")
			  (exit))))
	     (success  (if (vector? dat) (vector-ref dat 0) #f))
	     (res      (if (vector? dat) (vector-ref dat 1) #f)))
	(if (and (vector? conninfo) (> 5 (vector-length conninfo)))
            (http-transport:server-dat-update-last-access conninfo) ;; refresh access time
            (begin
              (set! conninfo #f)
              (remote-conndat-set! runremote #f))) 
	;; (mutex-unlock! *rmt-mutex*)
        (debug:print-info 13 *default-log-port* "rmt:send-receive, case  9. conninfo=" conninfo " dat=" dat " runremote = " runremote)
	(mutex-unlock! *rmt-mutex*)
	(if success ;; success only tells us that the transport was successful, have to examine the data to see if there was a detected issue at the other end
	    (if (and (vector? res)
		     (eq? (vector-length res) 2)
		     (eq? (vector-ref res 1) 'overloaded)) ;; since we are looking at the data to carry the error we'll use a fairly obtuse combo to minimise the chances of some sort of collision.

;; fields are passing in through 
;; action:
;;    'remove-runs
;;    'set-state-status
;;
;; NB// should pass in keys?
;;
(define (runs:operate-on action target runnamepatt testpatt #!key (state #f)(status #f)(new-state-status #f)(mode #f)(options '()))
  (common:clear-caches) ;; clear all caches
  (let* ((db           #f)
	 ;; (tdbdat       (tasks:open-db))
	 (keys         (rmt:get-keys))
	 (rundat       (mt:get-runs-by-patt keys runnamepatt target))
	 (header       (vector-ref rundat 0))
	 (runs         (vector-ref rundat 1))
	 (states       (if state  (string-split state  ",") '()))
	 (statuses     (if status (string-split status ",") '()))
	 (state-status (if (string? new-state-status) (string-split new-state-status ",") '(#f #f)))
	 (rp-mutex     (make-mutex))
	 (bup-mutex    (make-mutex))
         (keep-records (args:get-arg "-keep-records"))) ;; used in conjunction with -remove-runs to keep the records, TODO: consolidate this with "mode".

    (let* ((write-access-actions '(remove-runs set-state-status archive run-wait))
           (dbfile             (conc  *toppath* "/megatest.db"))
           (readonly-mode      (not (file-write-access? dbfile))))
      (when (and readonly-mode
                 (member action write-access-actions))
        (debug:print-error 0 *default-log-port* "megatest.db is readonly.  Cannot proceed with action ["action"] in which write-access isrequired .")

                      (remtests (mt:get-tests-for-run run-id #f '("DELETED") '("n/a") not-in: #t)))
		 (if (null? remtests) ;; no more tests remaining
		     (let* ((dparts  (string-split lasttpath "/"))
			    (runpath (conc "/" (string-intersperse 
						(take dparts (- (length dparts) 1))
						"/"))))
		       (debug:print 1 *default-log-port* "Removing run: " runkey " " (db:get-value-by-header run header "runname") " and related record")
                       (if (not keep-records)
                           (begin
                             (rmt:delete-run run-id)
                             (rmt:delete-old-deleted-test-records)))
                           ;; (rmt:set-var "DELETED_TESTS" (current-seconds))
		       ;; need to figure out the path to the run dir and remove it if empty
		       ;;    (if (null? (glob (conc runpath "/*")))
		       ;;        (begin
		       ;; 	 (debug:print 1 *default-log-port* "Removing run dir " runpath)
		       ;; 	 (system (conc "rmdir -p " runpath))))
		       )))))
	 ))
     runs)
    ;; (sqlite3:finalize! (db:delay-if-busy tdbdat))
    )
  #t)

(define (runs:remove-test-directory test mode) ;; remove-data-only)
  (let* ((run-dir       (db:test-get-rundir test))    ;; run dir is from the link tree
	 (real-dir      (if (common:file-exists? run-dir)
			    ;; (resolve-pathname run-dir)
			    (common:nice-path run-dir)
			    #f))
         (clean-mode    (or mode 'remove-all)))
    (case clean-mode
      ((remove-data-only)(mt:test-set-state-status-by-id (db:test-get-run_id test)(db:test-get-id test) "CLEANING" "LOCKED" #f))
      ((remove-all)      (mt:test-set-state-status-by-id (db:test-get-run_id test)(db:test-get-id test) "REMOVING" "LOCKED" #f))
      ((archive-remove)  (mt:test-set-state-status-by-id (db:test-get-run_id test)(db:test-get-id test) "ARCHIVE_REMOVING" #f #f)))
    (debug:print-info 1 *default-log-port* "Attempting to remove " (if real-dir (conc " dir " real-dir " and ") "") " link " run-dir)
    (if (and real-dir 
	     (> (string-length real-dir) 5)
	     (common:file-exists? real-dir)) ;; bad heuristic but should prevent /tmp /home etc.

		 (delete-directory run-dir)))
	    (if (and run-dir
		     (not (member run-dir (list "n/a" "/tmp/badname"))))
		(debug:print 0 *default-log-port* "WARNING: not removing " run-dir " as it either doesn't exist or is not a symlink")
		(debug:print 0 *default-log-port* "NOTE: the run dir for this test is undefined. Test may have already been deleted."))
	    ))
    ;; Only delete the records *after* removing the directory. If things fail we have a record 
    (case clean-mode
      ((remove-data-only)(mt:test-set-state-status-by-id (db:test-get-run_id test)(db:test-get-id test) (db:test-get-state test)(db:test-get-status test) #f))
      ((archive-remove)  (mt:test-set-state-status-by-id (db:test-get-run_id test)(db:test-get-id test) "ARCHIVED" #f #f))
      (else (rmt:delete-test-records (db:test-get-run_id test) (db:test-get-id test))))))

;;======================================================================
;; Routines for manipulating runs
;;======================================================================

	 (logfile     (conc areapath "/logs/server.log")) ;; -" curr-pid "-" target-host ".log"))
	 (cmdln (conc (common:get-megatest-exe)
		      " -server " (or target-host "-") (if (equal? (configf:lookup *configdat* "server" "daemonize") "yes")
							   " -daemonize "
							   "")
		      ;; " -log " logfile
		      " -m testsuite:" testsuite)) ;; (conc " >> " logfile " 2>&1 &")))))
	 (log-rotate  (make-thread common:rotate-logs  "server run, rotate logs thread"))
         (load-limit  (configf:lookup-number *configdat* "server" "load-limit" default: 0.9)))
    ;; we want the remote server to start in *toppath* so push there
    (push-directory areapath)
    (debug:print 0 *default-log-port* "INFO: Trying to start server (" cmdln ") ...")
    (thread-start! log-rotate)
    
    ;; host.domain.tld match host?
    (if (and target-host 
	     ;; look at target host, is it host.domain.tld or ip address and does it 
	     ;; match current ip or hostname
	     (not (string-match (conc "("curr-host "|" curr-host"\\..*)") target-host))
	     (not (equal? curr-ip target-host)))
	(begin
	  (debug:print-info 0 *default-log-port* "Starting server on " target-host ", logfile is " logfile)
	  (setenv "TARGETHOST" target-host)))
      
    (setenv "TARGETHOST_LOGF" logfile)
    (common:wait-for-normalized-load load-limit " delaying server start due to load" remote-host: (get-environment-variable "TARGETHOST")) ;; do not try starting servers on an already overloaded machine, just wait forever
    (system (conc "nbfake " cmdln))
    (unsetenv "TARGETHOST_LOGF")
    (if (get-environment-variable "TARGETHOST")(unsetenv "TARGETHOST"))
    (thread-join! log-rotate)
    (pop-directory)))

;; given a path to a server log return: host port startseconds

;;
(define (server:writable-watchdog dbstruct)
  (thread-sleep! 0.05) ;; delay for startup
  (let ((legacy-sync  (common:run-sync?))
	(debug-mode   (debug:debug-mode 1))
	(last-time    (current-seconds))
	(no-sync-db   (db:open-no-sync-db))
        (sync-duration 0) ;; run time of the sync in milliseconds
        (this-wd-num  (begin (mutex-lock! *wdnum*mutex) (let ((x *wdnum*)) (set! *wdnum* (add1 *wdnum*)) (mutex-unlock! *wdnum*mutex) x))))
    (set! *no-sync-db* no-sync-db) ;; make the no sync db available to api calls
    (debug:print-info 2 *default-log-port* "Periodic sync thread started.")
    (debug:print-info 3 *default-log-port* "watchdog starting. legacy-sync is " legacy-sync" pid="(current-process-id)" this-wd-num="this-wd-num)
    (if (and legacy-sync (not *time-to-exit*))
	(let* (;;(dbstruct (db:setup))
	       (mtdb     (dbr:dbstruct-mtdb dbstruct))

					  (not recently-synced))))
              (debug:print-info 13 *default-log-port* "WD writable-watchdog top of loop.  need-sync="need-sync" sync-in-progress="sync-in-progress" should-sync="should-sync" start-time="start-time" mt-mod-time="mt-mod-time" recently-synced="recently-synced" will-sync="will-sync)
	      ;; (if recently-synced (debug:print-info 0 *default-log-port* "Skipping sync due to recently-synced flag=" recently-synced))
	      ;; (debug:print-info 0 *default-log-port* "need-sync: " need-sync " sync-in-progress: " sync-in-progress " should-sync: " should-sync " will-sync: " will-sync)
	      (if will-sync (set! *db-sync-in-progress* #t))
	      (mutex-unlock! *db-multi-sync-mutex*)
	      (if will-sync
                  (let ((sync-start (current-milliseconds)))
                    (if (< sync-duration 300)
                        (let ((res        (db:sync-to-megatest.db dbstruct no-sync-db: no-sync-db))) ;; did we sync any data? If so need to set the db touched flag to keep the server alive
                          (set! sync-duration (- (current-milliseconds) sync-start))
                          (if (> res 0) ;; some records were transferred, keep the db alive
                              (begin
                                (mutex-lock! *heartbeat-mutex*)
                                (set! *db-last-access* (current-seconds))
                                (mutex-unlock! *heartbeat-mutex*)
                                (debug:print-info 0 *default-log-port* "sync called, " res " records transferred."))
                              (debug:print-info 2 *default-log-port* "sync called but zero records transferred")))
                        ;; TODO: factor this next routine out into a function
                        (with-input-from-pipe ;; this should not block other threads but need to verify this
                         "megatest -sync-to-megatest.db"
                         (lambda ()
                           (let loop ((inl (read-line))
                                      (res #f))
                             (if (eof-object? inl)
                                 (begin
                                   (set! sync-duration (- (current-milliseconds) sync-start))
                                   (cond
                                    ((not res)
                                     (debug:print 0 *default-log-port* "ERROR: sync from /tmp db to megatest.db appears to have failed. Recommended that you stop your runs and run \"megatest -cleanup-db\""))
                                    ((> res 0)
                                     (mutex-lock! *heartbeat-mutex*)
                                     (set! *db-last-access* (current-seconds))
                                     (mutex-unlock! *heartbeat-mutex*))))
                                 (let ((num-synced (let ((matches (string-match "^Synced (\\d+).*$" inl)))
                                                     (if matches
                                                         (string->number (cadr matches))
                                                         #f))))
                                   (loop (read-line)
                                         (or num-synced res))))))))))
	      (if will-sync
		  (begin
		    (mutex-lock! *db-multi-sync-mutex*)
		    (set! *db-sync-in-progress* #f)
		    (set! *db-last-sync* start-time)
		    (mutex-unlock! *db-multi-sync-mutex*)))
	      (if (and debug-mode