Megatest

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Comment:Sync with v1.65
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SHA1: b767764b1adf9413412a3572d33a40a548d30bf9
User & Date: mrwellan on 2019-09-27 11:19:00
Other Links: branch diff | manifest | tags
Context
2019-09-27
13:45
Proper handling of errors when db disappears and trigger dropping is happening. check-in: fcf5650f1f user: mrwellan tags: v1.65-wip
11:19
Sync with v1.65 check-in: b767764b1a user: mrwellan tags: v1.65-wip
2019-09-26
23:06
Improved logs rotation to disallow more than 300 logs (configurable) in the logs dir. check-in: ffb3fa86c6 user: matt tags: v1.65
17:05
WIP check-in: e300afb35f user: mrwellan tags: v1.65-wip
Changes

Modified common.scm from [3fef8a65cd] to [3ed4009767].

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;; Rotate logs, logic: 
;;                 if > 500k and older than 1 week:
;;                     remove previous compressed log and compress this log
;; WARNING: This proc operates assuming that it is in the directory above the
;;          logs directory you wish to log-rotate.
;;
(define (common:rotate-logs)





  (if (not (directory-exists? "logs"))(create-directory "logs"))
  (directory-fold 
   (lambda (file rem)
     (handle-exceptions
      exn

      (debug:print-info 0 *default-log-port* "unable to rotate log " file ", probably handled by another process.")


      (let* ((fullname (conc "logs/" file))
             (file-age (- (current-seconds)(file-modification-time fullname))))


        (if (or (and (string-match "^.*.log" file)
                     (> (file-size fullname) 200000))
                (and (string-match "^server-.*.log" file)
                     (> (- (current-seconds) (file-modification-time fullname))
                        (* 8 60 60))))
            (let ((gzfile (conc fullname ".gz")))
              (if (common:file-exists? gzfile)
                  (begin
                    (debug:print-info 0 *default-log-port* "removing " gzfile)
                    (delete-file gzfile)))


              (debug:print-info 0 *default-log-port* "compressing " file)
              (system (conc "gzip " fullname)))




            (if (> file-age (* (string->number (or (configf:lookup *configdat* "setup" "log-expire-days") "30")) 24 3600))
                (handle-exceptions
                 exn
                 #f
                 (delete-file fullname)))))))


   '()
   "logs"))














;; Force a megatest cleanup-db if version is changed and skip-version-check not specified
;; Do NOT check if not on homehost!
;;
(define (common:exit-on-version-changed)
  (if (common:on-homehost?)
      (if (common:api-changed?)
	  (let* ((mtconf (conc (get-environment-variable "MT_RUN_AREA_HOME") "/megatest.config"))







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;; Rotate logs, logic: 
;;                 if > 500k and older than 1 week:
;;                     remove previous compressed log and compress this log
;; WARNING: This proc operates assuming that it is in the directory above the
;;          logs directory you wish to log-rotate.
;;
(define (common:rotate-logs)
  (let* ((all-files (make-hash-table))
	 (stats     (make-hash-table))
	 (inc-stat  (lambda (key)
		      (hash-table-set! stats key (+ (hash-table-ref/default stats key 0) 1))))
	(max-allowed (string->number (or (configf:lookup *configdat* "setup" "max-logfiles") "300")))) ;; name -> age
    (if (not (directory-exists? "logs"))(create-directory "logs"))
    (directory-fold 
     (lambda (file rem)
       (handle-exceptions
	exn
	(begin
	  (debug:print-info 0 *default-log-port* "unable to rotate log " file ", probably handled by another process.")
	  (debug:print 0 *default-log-port* " message: " ((condition-property-accessor 'exn 'message) exn))
	  (print-call-chain (current-error-port)))
	(let* ((fullname  (conc "logs/" file))
	       (mod-time  (file-modification-time fullname))
	       (file-age  (- (current-seconds) mod-time)))
	  (hash-table-set! all-files file mod-time)
	  (if (or (and (string-match "^.*.log" file)
		       (> (file-size fullname) 200000))
		  (and (string-match "^server-.*.log" file)
		       (> (- (current-seconds) (file-modification-time fullname))
			  (* 8 60 60))))
	      (let ((gzfile (conc fullname ".gz")))
		(if (common:file-exists? gzfile)
		    (begin
		      (debug:print-info 0 *default-log-port* "removing " gzfile)
		      (delete-file* gzfile)
		      (hash-table-delete!  all-files gzfile) ;; needed?
		      ))
		(debug:print-info 0 *default-log-port* "compressing " file)
		(system (conc "gzip " fullname))
		(inc-stat "gzipped")
		(hash-table-set! all-files (conc file ".gz") file-age)  ;; add the .gz file and remove the base file
		(hash-table-delete! all-files file)
		)
	      (if (> file-age (* (string->number (or (configf:lookup *configdat* "setup" "log-expire-days") "30")) 24 3600))
		  (handle-exceptions
		   exn
		   #f
		   (delete-file* fullname)
		   (inc-stat "deleted")
		   (hash-table-delete! all-files file)))))))
     '()
     "logs")
    (debug:print-info 0 *default-log-port* "Deleted log files: " (hash-table-ref/default stats "deleted" 0))
    (debug:print-info 0 *default-log-port* "Gzipped log files: " (hash-table-ref/default stats "gzipped" 0))    
    (let ((num-logs (hash-table-size all-files)))
      (if (> num-logs max-allowed) ;; because NFS => don't let number of logs exceed 300
	  (let ((files (take (sort (hash-table-keys all-files)
				   (lambda (a b)
				     (< (hash-table-ref all-files a)(hash-table-ref all-files b))))
			     (- num-logs max-allowed))))
	    (for-each
	     (lambda (file)
	       (delete-file* (conc "logs/" file)))
	     files)
	    (debug:print-info 0 *default-log-port* "Deleted " (length files) " from logs, keeping " max-allowed " files."))))))
  
;; Force a megatest cleanup-db if version is changed and skip-version-check not specified
;; Do NOT check if not on homehost!
;;
(define (common:exit-on-version-changed)
  (if (common:on-homehost?)
      (if (common:api-changed?)
	  (let* ((mtconf (conc (get-environment-variable "MT_RUN_AREA_HOME") "/megatest.config"))