diff options
Diffstat (limited to 'tools/merge')
-rwxr-xr-x | tools/merge | 62 |
1 files changed, 55 insertions, 7 deletions
diff --git a/tools/merge b/tools/merge index b5a50d5..0d1bf0e 100755 --- a/tools/merge +++ b/tools/merge @@ -1,10 +1,58 @@ -#! /bin/sh +#! /usr/bin/env python +"""merge""" -set -o errexit +import os +import sys +import signal +from time import sleep +from mergetools import parse_args +from multiprocessing import Process +import merge_fetch, merge_backup, merge_sth, merge_dist -BINDIR=$(dirname $0) +def run_once(): + """Merge once.""" + ret = merge_fetch.main() + if ret == 0: + ret = merge_backup.main() + if ret == 0: + ret = merge_sth.main() + if ret == 0: + ret = merge_dist.main() + return ret -$BINDIR/merge_fetch.py "$@" -$BINDIR/merge_backup.py "$@" -$BINDIR/merge_sth.py "$@" -$BINDIR/merge_dist.py "$@" +def term(signal, arg): + sys.exit(1) + +def run_continuously(pidfilepath): + """Run continuously.""" + parts = ('fetch', merge_fetch), ('backup', merge_backup), ('sth', merge_sth), ('dist', merge_dist) + procs = {} + for part, mod in parts: + procs[part] = Process(target=mod.main, name='merge_%s' % part) + procs[part].daemon = True + procs[part].start() + + if pidfilepath: + open(pidfilepath, 'w').write(str(os.getpid()) + '\n') + + signal.signal(signal.SIGTERM, term) + while True: + for name, p in procs.items(): + if not p.is_alive(): + print >>sys.stderr, "\nERROR:", name, "process is gone; exiting" + return 1 + sleep(1) + +def main(): + """Main""" + args, _, _ = parse_args() + + if args.mergeinterval is None: + ret = run_once() + else: + ret = run_continuously(args.pidfile) + + return ret + +if __name__ == '__main__': + sys.exit(main()) |