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Add pattern option to service module

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Adds ability to check service status based on pattern.  The pattern
is a simple string.  If a pattern is provided, the output of ps is
checked first.
This commit is contained in:
Stephen Fromm 2012-08-17 13:55:18 -07:00
parent 51e85b4bde
commit 32cb95e424
1 changed files with 33 additions and 3 deletions
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36
service
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@ -18,9 +18,12 @@
# You should have received a copy of the GNU General Public License
# along with Ansible. If not, see <http://www.gnu.org/licenses/>.
import platform
SERVICE = None
CHKCONFIG = None
INITCTL = None
PS_OPTIONS = 'auxww'
def _find_binaries(m):
# list of possible paths for service/chkconfig binaries
@ -56,14 +59,33 @@ def _find_binaries(m):
else:
INITCTL = None
def _get_service_status(name):
def _get_service_status(name, pattern):
rc, status_stdout, status_stderr = _run("%s %s status" % (SERVICE, name))
# set the running state to None because we don't know it yet
running = None
# If pattern is provided, search for that
# before checking initctl, service output, and other tricks
if pattern is not None:
psbin = '/bin/ps'
if not os.path.exists(psbin):
if os.path.exists('/usr/bin/ps'):
psbin = '/usr/bin/ps'
else:
psbin = None
if psbin is not None:
(rc, psout, pserr) = _run('%s %s' % (psbin, PS_OPTIONS))
# If rc is 0, set running as appropriate
# If ps command fails, fall back to other means.
if rc == 0:
if pattern in psout:
running = True
else:
running = False
# Check if we got upstart on the system and then the job state
if INITCTL != None:
if INITCTL != None and running is None:
# check the job status by upstart response
initctl_rc, initctl_status_stdout, initctl_status_stderr = _run("%s status %s" % (INITCTL, name))
if initctl_status_stdout.find("stop/waiting") != -1:
@ -134,21 +156,29 @@ def main():
argument_spec = dict(
name = dict(required=True),
state = dict(choices=['running', 'started', 'stopped', 'restarted', 'reloaded']),
pattern = dict(required=False, default=None),
enabled = dict(choices=BOOLEANS)
)
)
name = module.params['name']
state = module.params['state']
pattern = module.params['pattern']
enable = module.boolean(module.params.get('enabled', None))
# Set PS options here if 'ps auxww' will not work on
# target platform
if platform.system() == 'SunOS':
global PS_OPTIONS
PS_OPTIONS = '-ef'
# ===========================================
# find binaries locations on minion
_find_binaries(module)
# ===========================================
# get service status
running = _get_service_status(name)
running = _get_service_status(name, pattern)
# ===========================================
# Some common variables