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Provide both service state and status when possible in service_facts (#49618)

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* Combine systemd units/unit-files output for service_facts

Fixes #47118

Previously we were only taking the output of `systemd units` which
would leave out information about the service units that were
disabled, static, masked, etc. Now we're aggregating the results so
that anything not active/inactive/dead at least is pulled as fact
data with it's state provided.

Signed-off-by: Adam Miller <admiller@redhat.com>

* provide state and status information about services

Fixes #45730

Signed-off-by: Adam Miller <admiller@redhat.com>
This commit is contained in:
Adam Miller 2018-12-26 07:24:03 -06:00 committed by John R Barker
parent 9be3ebc596
commit 33156712a9
2 changed files with 33 additions and 14 deletions
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3
changelogs/fragments/service-facts-dont-hist-systemd-disabled-units.yaml Normal file
View file

@ -0,0 +1,3 @@
---
minor_changes:
- "service_facts - provide service state and status information about disabled systemd service units"

44
lib/ansible/modules/system/service_facts.py
View file

@ -30,7 +30,6 @@ notes:
using the string value of the service name as the key in order to obtain
the fact data value like C(ansible_facts.services['zuul-gateway'])
author:
- Adam Miller (@maxamillion)
'''
@ -61,10 +60,15 @@ ansible_facts:
type: str
sample: sysv
state:
description: State of the service. Either C(running) or C(stopped).
description: State of the service. Either C(running), C(stopped), or C(unknown).
returned: always
type: str
sample: running
status:
description: State of the service. Either C(enabled), C(disabled), or C(unknown).
returned: systemd systems or RedHat/SUSE flavored sysvinit/upstart
type: string
sample: enabled
name:
description: Name of the service.
returned: always
@ -156,19 +160,21 @@ class ServiceScanService(BaseService):
if m:
service_name = m.group('service')
service_state = 'stopped'
service_status = "disabled"
if m.group('rl3') == 'on':
rc, stdout, stderr = self.module.run_command('%s %s status' % (service_path, service_name), use_unsafe_shell=True)
service_state = rc
if rc in (0,):
service_state = 'running'
# elif rc in (1,3):
service_status = "enabled"
rc, stdout, stderr = self.module.run_command('%s %s status' % (service_path, service_name), use_unsafe_shell=True)
service_state = rc
if rc in (0,):
service_state = 'running'
# elif rc in (1,3):
else:
if 'root' in stderr or 'permission' in stderr.lower() or 'not in sudoers' in stderr.lower():
self.incomplete_warning = True
continue
else:
if 'root' in stderr or 'permission' in stderr.lower() or 'not in sudoers' in stderr.lower():
self.incomplete_warning = True
continue
else:
service_state = 'stopped'
service_data = {"name": service_name, "state": service_state, "source": "sysv"}
service_state = 'stopped'
service_data = {"name": service_name, "state": service_state, "status": service_status, "source": "sysv"}
services[service_name] = service_data
return services
@ -203,7 +209,17 @@ class SystemctlScanService(BaseService):
if 'failed' in line:
service_name = line.split()[1]
state_val = "stopped"
services[service_name] = {"name": service_name, "state": state_val, "source": "systemd"}
services[service_name] = {"name": service_name, "state": state_val, "status": "unknown", "source": "systemd"}
rc, stdout, stderr = self.module.run_command("%s list-unit-files --no-pager --type service --all" % systemctl_path, use_unsafe_shell=True)
for line in [svc_line for svc_line in stdout.split('\n') if '.service' in svc_line and 'not-found' not in svc_line]:
try:
service_name, status_val = line.split()
except ValueError:
self.module.fail_json(msg="Malformed output discovered from systemd list-unit-files: {0}".format(line))
if service_name not in services:
services[service_name] = {"name": service_name, "state": "unknown", "status": status_val, "source": "systemd"}
else:
services[service_name]["status"] = status_val
return services