Megatest

;; Copyright 2006-2014, Matthew Welland.
;; 
;;  This program is made available under the GNU GPL version 2.0 or
;;  greater. See the accompanying file COPYING for details.
;; 
;;  This program is distributed WITHOUT ANY WARRANTY; without even the
;;  implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
;;  PURPOSE.

;;  strftime('%m/%d/%Y %H:%M:%S','now','localtime')

(use sqlite3 srfi-1 posix regex regex-case srfi-69 dot-locking format md5 message-digest srfi-18)
(import (prefix sqlite3 sqlite3:))

(declare (unit archive))
(declare (uses db))
(declare (uses common))

(include "common_records.scm")

;; archive - run bup
;;
;; 1. create the bup dir if not exists
;; 2. start the du of each directory
;; 3. gen index
;; 4. save
;;
(define (archive:run-bup archive-command run-id run-name tests rp-mutex bup-mutex)
  ;; move the getting of archive space down into the below block so that a single run can 
  ;; allocate as needed should a disk fill up
  ;;
  (let* ((min-space    (string->number (or (configf:lookup *configdat* "archive" "minspace") "1000")))
	 (archive-info (archive:allocate-new-archive-block *toppath* (common:get-testsuite-name) min-space))
	 (archive-dir  (if archive-info (cdr archive-info) #f))
	 (archive-id   (if archive-info (car archive-info) -1))

	      (target            (string-intersperse (map cadr (rmt:get-key-val-pairs run-id)) "/"))
	      
	      (toplevel/children (and (db:test-get-is-toplevel test-dat)
				      (> (rmt:test-toplevel-num-items run-id test-name) 0)))
	      (test-partial-path (conc target "/" run-name "/" (db:test-make-full-name test-name item-path)))
	      ;; note the trailing slash to get the dir inspite of it being a link
	      (test-path         (conc linktree "/" test-partial-path))
	      (mutex-lock! rp-mutex)
	      (test-physical-path (if (file-exists? test-path) 
				      (common:real-path test-path)
				      #f))
	      (mutex-unlock! rp-mutex)
	      (partial-path-index (if test-physical-path (substring-index test-partial-path test-physical-path) #f))
	      (test-base         (if (and partial-path-index 
					  test-physical-path )
				     (substring test-physical-path
						0
						partial-path-index)
				     #f)))

	      (print-prefix      #f)) ;; "Running: ")) ;; change to #f to turn off printing
	 (if (not (file-exists? archive-dir))
	     (create-directory archive-dir #t))
	 (if (not (file-exists? (conc archive-dir "/HEAD")))
	     (begin
	       ;; replace this with jobrunner stuff enventually
	       (debug:print-info 0 "Init bup in " archive-dir)
	       ;; (mutex-lock! bup-mutex)
	       (run-n-wait bup-exe params: bup-init-params print-cmd: print-prefix)
	       ;; (mutex-unlock! bup-mutex)
	       ))
	 (debug:print-info 0 "Indexing data to be archived")
	 ;; (mutex-lock! bup-mutex)
	 (run-n-wait bup-exe params: bup-index-params print-cmd: print-prefix)
	 (debug:print-info 0 "Archiving data with bup")
	 (run-n-wait bup-exe params: bup-save-params print-cmd: print-prefix)
	 ;; (mutex-unlock! bup-mutex)
	 (for-each
	  (lambda (test-dat)
	    (let ((test-id           (db:test-get-id        test-dat))
		  (run-id            (db:test-get-run_id    test-dat)))
	      (rmt:test-set-archive-block-id run-id test-id archive-id)
	      (if (member archive-command '("save-remove"))
		  (runs:remove-test-directory test-dat 'archive-remove))))
	  (hash-table-ref test-groups disk-group))))
     (hash-table-keys disk-groups))
    #t))

(define (archive:bup-restore archive-command run-id run-name tests rp-mutex bup-mutex)  ;; move the getting of archive space down into the below block so that a single run can 
  ;; allocate as needed should a disk fill up
  ;;
  (let* ((bup-exe      (or (configf:lookup *configdat* "archive" "bup") "bup"))
	 (linktree     (configf:lookup *configdat* "setup" "linktree")))

    ;; from the test info bin the path to the test by stem
    ;;

	      
	      (toplevel/children (and (db:test-get-is-toplevel test-dat)
				      (> (rmt:test-toplevel-num-items run-id test-name) 0)))
	      (test-partial-path (conc target "/" run-name "/" (db:test-make-full-name test-name item-path)))
	      ;; note the trailing slash to get the dir inspite of it being a link
	      (test-path         (conc linktree "/" test-partial-path))
	      ;; if the old path was not deleted then prev-test-physical-path will end up pointing to a real directory
	      (mutex-lock! rp-mutex)
	      (prev-test-physical-path (if (file-exists? test-path)
					   ;; (read-symbolic-link test-path #t)
					   (common:real-path test-path)
					   #f))
	      (mutex-unlock! rp-mutex)
	      (new-test-physical-path  (conc best-disk "/" test-partial-path))
	      (archive-block-id        (db:test-get-archived test-dat))
	      (archive-block-info      (rmt:test-get-archive-block-info archive-block-id))
	      (archive-path            (if (vector? archive-block-info)
					   (vector-ref archive-block-info 2) ;; look in db.scm for test-get-archive-block-info for the vector record info
					   #f)) ;; no archive found?
	      (archive-internal-path   (conc (common:get-testsuite-name) "-" run-id "/latest/" test-partial-path)))

					       (db:test-get-rundir new-test-dat)
					       (begin
						 (debug:print 0 "ERROR: unable to get data for run-id=" run-id ", test-id=" test-id)
						 (exit 1))))
		      ;; new-test-path won't work - must use best-disk instead? Nope, new-test-path but tack on /..
		      (bup-restore-params  (list "-d" archive-path "restore" "-C" (conc new-test-path "/..") archive-internal-path)))
		 (debug:print-info 0 "Restoring archived data to " new-test-physical-path " from archive in " archive-path " ... " archive-internal-path)
		 ;; (mutex-lock! bup-mutex)
		 (run-n-wait bup-exe params: bup-restore-params print-cmd: #f)
		 ;; (mutex-unlock! bup-mutex)
		 (mt:test-set-state-status-by-id run-id test-id "COMPLETED" #f #f)))
	     (debug:print 0 "ERROR: No archive path in the record for run-id=" run-id " test-id=" test-id))))
     (filter vector? tests))))