;; 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)
(import (prefix sqlite3 sqlite3:))
(declare (unit archive))
(declare (uses db))
(declare (uses common))
(include "common_records.scm")
(include "db_records.scm")
;;======================================================================
;;
;;======================================================================
(define (archive:main linktree target runname testname itempath options)
(let ((testdir (conc linktree "/" target "/" runname "/" testname "/" itempatt))
(flavor 'plain) ;; type of machine to run jobs on
(maxload 1.5) ;; max allowed load for this work
(adisks (archive:get-archive-disks)))
;; get testdir size
;; - hand off du to job mgr
(if (and (file-exists? testdir)
(file-is-writable? testdir))
(let* ((dused (jobrunner:run-job
flavor ;; machine type
maxload ;; max allowed load
'() ;; prevars - environment vars to set for the job
common:get-disk-space-used ;; if a proc call it, if a string it is a unix command
(list testdir)))
(apath (archive:get-archive testname itempath dused)))
(jobrunner:run-job
flavor
maxload
'()
archive:run-bup
(list testdir apath))))))
;; Get archive disks from megatest.config
;;
(define (archive:get-archive-disks)
(let ((section (configf:get-section *configdat* "archivedisks")))
(if section
(map cdr section)
'())))
;; look for the best candidate archive area, else create new
;; area
;;
(define (archive:get-archive testname itempath dused)
;; look up in archive_allocations if there is a pre-used archive
;; with adequate diskspace
;;
(let* ((existing-blocks (rmt:archive-get-allocations testname itempath dused))
(candidate-disks (map (lambda (block)
(list
(vector-ref block 1) ;; archive-area-name
(vector-ref block 2))) ;; disk-path
existing-blocks)))
(or (common:get-disk-with-most-free-space candidate-disks dused)
(archive:allocate-new-archive-block testname itempath))))
;; allocate a new archive area
;;
(define (archvie:allocate-new-archive-block testname itempath dneeded)
(let* ((adisks (archive:get-archive-disks))
(best-disk (common:get-disk-with-most-free-space adisks dneeded)))
(if best-disk
(let* ((bdisk-name (car best-disk))
(bdisk-path (cdr best-disk))
(bdisk-id (rmt:archive-register-disk bdisk-name bdisk-path (get-df bdisk-path)))
(archive-name (time->string (seconds->local-time (current-seconds)) "ww%W.%u"))
(archive-path (conc bdisk-path "/" archive-name))
(block-id (rmt:archive-register-block-name bdisk-id archive-path))
(allocation-id (rmt:archive-allocate-test-to-block block-id testname itempath)))
(if (and block-id allocation-id)
archive-path
#f)))))
;; 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-dir run-id run-name tests)
(let* ((disk-groups (make-hash-table))
(bup-exe (or (configf:lookup *configdat* "archive" "bup") "bup"))
(compress (or (configf:lookup *configdat* "archive" "compress") "9"))
(linktree (configf:lookup *configdat* "setup" "linktree")))
;; from the test info bin the path to the test by stem
;;
(for-each
(lambda (test-dat)
(let* ((item-path (db:test-get-item-path test-dat))
(test-name (db:test-get-testname test-dat))
(run-id (db:test-get-run_id test-dat))
(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 "/" (runs:make-full-test-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))
(test-physical-path (if (file-exists? test-path) (read-symbolic-link test-path #t) #f))
(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)))
(if (or toplevel/children
(not (file-exists? test-path)))
#f
(begin
(debug:print 0
"From test-dat=" test-dat " derived the following:\n"
"test-partial-path = " test-partial-path "\n"
"test-path = " test-path "\n"
"test-physical-path = " test-physical-path "\n"
"partial-path-index = " partial-path-index "\n"
"test-base = " test-base)
(hash-table-set! disk-groups test-base (cons test-physical-path (hash-table-ref/default disk-groups test-base '())))
test-path))))
tests)
;; for each disk-group
(for-each
(lambda (disk-group)
(debug:print 0 "Processing disk-group " disk-group)
(let* ((test-paths (hash-table-ref disk-groups disk-group))
;; ((string-intersperse (map cadr (rmt:get-key-val-pairs 1)) "-")
(bup-init-params (list "-d" archive-dir "init"))
(bup-index-params (append (list "-d" archive-dir "index") test-paths))
(bup-save-params (append (list "-d" archive-dir "save" ;; (conc "--strip-path=" linktree)
(conc "-" compress) ;; or (conc "--compress=" compress)
"-n" (conc (common:get-testsuite-name) "-" run-id)
"--strip" disk-group)
test-paths))
(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)
(run-n-wait bup-exe params: bup-init-params print-cmd: print-prefix)))
(debug:print-info 0 "Indexing data to be archived")
(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)))
(hash-table-keys disk-groups))
#t))