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add the limit option, which can be used to further confine the patterns selected by "hosts:" in ansible-playbooks

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to an additional pattern (a subset) specified on the command line.  For instance, a playbook could be reusable
and target "webservers" and "dbservers", but you want to test only in the stage environment, or a few boxes at a time.
This commit is contained in:
Michael DeHaan 2012-08-10 02:45:29 -04:00
parent 05a128c2be
commit 1c81ddf8d4
6 changed files with 38 additions and 8 deletions
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8
lib/ansible/utils.py
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@ -336,7 +336,8 @@ def increment_debug(option, opt, value, parser):
global VERBOSITY
VERBOSITY += 1
def base_parser(constants=C, usage="", output_opts=False, runas_opts=False, async_opts=False, connect_opts=False):
def base_parser(constants=C, usage="", output_opts=False, runas_opts=False,
async_opts=False, connect_opts=False, subset_opts=False):
''' create an options parser for any ansible script '''
parser = SortedOptParser(usage, version=version("%prog"))
@ -357,6 +358,11 @@ def base_parser(constants=C, usage="", output_opts=False, runas_opts=False, asyn
parser.add_option('-M', '--module-path', dest='module_path',
help="specify path(s) to module library (default=%s)" % constants.DEFAULT_MODULE_PATH,
default=constants.DEFAULT_MODULE_PATH)
if subset_opts:
parser.add_option('-l', '--limit', default=constants.DEFAULT_SUBSET, dest='subset',
help='further limit selected hosts to an additional pattern')
parser.add_option('-T', '--timeout', default=constants.DEFAULT_TIMEOUT, type='int',
dest='timeout',
help="override the SSH timeout in seconds (default=%s)" % constants.DEFAULT_TIMEOUT)