;;======================================================================
;; Copyright 2019, Matthew Welland.
;;
;; This file is part of Megatest.
;;
;; Megatest is free software: you can redistribute it and/or modify
;; it under the terms of the GNU General Public License as published by
;; the Free Software Foundation, either version 3 of the License, or
;; (at your option) any later version.
;;
;; Megatest is distributed in the hope that it will be useful,
;; but WITHOUT ANY WARRANTY; without even the implied warranty of
;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
;; GNU General Public License for more details.
;;
;; You should have received a copy of the GNU General Public License
;; along with Megatest. If not, see <http://www.gnu.org/licenses/>.
;;======================================================================
(declare (unit launchmod))
(declare (uses commonmod))
(module launchmod
*
(import scheme chicken data-structures extras)
(import (prefix sqlite3 sqlite3:) posix typed-records srfi-18 srfi-69 format ports srfi-1 matchable)
(import commonmod)
;; (use (prefix ulex ulex:))
(include "common_records.scm")
;;======================================================================
;; T E S T L A U N C H I N G P E R I T E M W I T H H O S T T Y P E S
;;======================================================================
;;
;; [hosts]
;; arm cubie01 cubie02
;; x86_64 zeus xena myth01
;; allhosts #{g hosts arm} #{g hosts x86_64}
;;
;; [host-types]
;; general #MTLOWESTLOAD #{g hosts allhosts}
;; arm #MTLOWESTLOAD #{g hosts arm}
;; nbgeneral nbjob run JOBCOMMAND -log $MT_LINKTREE/$MT_TARGET/$MT_RUNNAME.$MT_TESTNAME-$MT_ITEM_PATH.lgo
;;
;; [host-rules]
;; # maxnload => max normalized load
;; # maxnjobs => max jobs per cpu
;; # maxjobrate => max jobs per second
;; general maxnload=1.1; maxnjobs=1.2; maxjobrate=0.1
;;
;; [launchers]
;; envsetup general
;; xor/%/n 4C16G
;; % nbgeneral
;;
;; [jobtools]
;; # if defined and not "no" flexi-launcher will bypass "launcher" unless no match.
;; flexi-launcher yes
;; launcher nbfake
;;
(define (common:get-launcher configdat testname itempath)
(let ((fallback-launcher (configf:lookup configdat "jobtools" "launcher")))
(if (and (configf:lookup configdat "jobtools" "flexi-launcher") ;; overrides launcher
(not (equal? (configf:lookup configdat "jobtools" "flexi-launcher") "no")))
(let* ((launchers (hash-table-ref/default configdat "launchers" '())))
(if (null? launchers)
fallback-launcher
(let loop ((hed (car launchers))
(tal (cdr launchers)))
(let ((patt (car hed))
(host-type (cadr hed)))
(if (tests:match patt testname itempath)
(begin
(debug:print-info 2 *default-log-port* "Have flexi-launcher match for " testname "/" itempath " = " host-type)
(let ((launcher (configf:lookup configdat "host-types" host-type)))
(if launcher
(let* ((launcher-parts (string-split launcher))
(launcher-exe (car launcher-parts)))
(if (equal? launcher-exe "#MTLOWESTLOAD") ;; this is our special case, we will find the lowest load and craft a nbfake commandline
(let host-loop ((targ-host (common:get-least-loaded-host (cdr launcher-parts) host-type configdat))
(count 100))
(if targ-host
(conc "remrun " targ-host)
(if (> count 0)
(begin
(debug:print 0 *default-log-port* "INFO: Waiting for a host for host-type " host-type)
(thread-sleep! (- 101 count))
(host-loop (common:get-least-loaded-host (cdr launcher-parts) host-type configdat)
(- count 1)))
(begin
(debug:print 0 *default-log-port* "FATAL: Failed to find a host from #MTLOWESTLOAD for host-type " host-type)
(exit)))))
launcher))
(begin
(debug:print-info 0 *default-log-port* "WARNING: no launcher found for host-type " host-type)
(if (null? tal)
fallback-launcher
(loop (car tal)(cdr tal)))))))
;; no match, try again
(if (null? tal)
fallback-launcher
(loop (car tal)(cdr tal))))))))
fallback-launcher)))
)