wbrawner/ansible
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Merge pull request #3386 from skorokithakis/feature/onlyifchanged

Browse source 
Add --only-if-changed option.
This commit is contained in:
Michael DeHaan 2013-06-30 14:23:44 -07:00
commit 407edf097a
1 changed files with 14 additions and 5 deletions
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19
bin/ansible-pull
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@ -45,8 +45,9 @@ import socket
from optparse import OptionParser
DEFAULT_PLAYBOOK = 'local.yml'
PLAYBOOK_ERRORS = { 1: 'File does not exist',
2: 'File is not readable' }
PLAYBOOK_ERRORS = {1: 'File does not exist',
2: 'File is not readable'}
def _run(cmd):
print >>sys.stderr, "Running: '%s'" % cmd
@ -56,7 +57,8 @@ def _run(cmd):
print out
if cmd.returncode != 0:
print >>sys.stderr, err
return cmd.returncode
return cmd.returncode, out
def try_playbook(path):
if not os.path.exists(path):
@ -65,6 +67,7 @@ def try_playbook(path):
return 2
return 0
def select_playbook(path, args):
playbook = None
if len(args) > 0 and args[0] is not None:
@ -89,12 +92,15 @@ def select_playbook(path, args):
print >>sys.stderr, "\n".join(errors)
return playbook
def main(args):
""" Set up and run a local playbook """
usage = "%prog [options] [playbook.yml]"
parser = OptionParser(usage=usage)
parser.add_option('--purge', default=False, action='store_true',
help='Purge git checkout after playbook run')
parser.add_option('-o', '--only-if-changed', dest='ifchanged', default=False, action='store_true',
help='Only run the playbook if the repository has been updated')
parser.add_option('-d', '--directory', dest='dest', default=None,
help='Directory to clone git repository to')
parser.add_option('-U', '--url', dest='url', default=None,
@ -123,9 +129,12 @@ def main(args):
cmd = 'ansible all -c local -i "%s" --limit "%s" -m git -a "%s"' % (
inv_opts, limit_opts, git_opts
)
rc = _run(cmd)
rc, out = _run(cmd)
if rc != 0:
return rc
elif options.ifchanged and '"changed": true' not in out:
print "Repository has not changed, quitting."
return 0
playbook = select_playbook(options.dest, args)
@ -137,7 +146,7 @@ def main(args):
if options.inventory:
cmd += ' -i "%s"' % options.inventory
os.chdir(options.dest)
rc = _run(cmd)
rc, out = _run(cmd)
if options.purge:
os.chdir('/')