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service: PEP8 compliancy and doc fixes (#30890)

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This PR includes:
- PEP8 compliancy fixes
- Documentation fixes
pull/32332/head
Dag Wieers 7 years ago committed by GitHub
parent edc0ff481c
commit 8b2bf09c49
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GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 83 additions and 108 deletions
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140
lib/ansible/modules/system/service.py
Unescape Escape View File

@ -1,38 +1,34 @@
#!/usr/bin/python #!/usr/bin/python
# -*- coding: utf-8 -*- # -*- coding: utf-8 -*-
# (c) 2012, Michael DeHaan <michael.dehaan@gmail.com> # Copyright: (c) 2012, Michael DeHaan <michael.dehaan@gmail.com>
# GNU General Public License v3.0+ (see COPYING or https://www.gnu.org/licenses/gpl-3.0.txt) # GNU General Public License v3.0+ (see COPYING or https://www.gnu.org/licenses/gpl-3.0.txt)
from __future__ import absolute_import, division, print_function from __future__ import absolute_import, division, print_function
__metaclass__ = type __metaclass__ = type
ANSIBLE_METADATA = {'metadata_version': '1.1', ANSIBLE_METADATA = {'metadata_version': '1.1',
'status': ['stableinterface'], 'status': ['stableinterface'],
'supported_by': 'core'} 'supported_by': 'core'}
DOCUMENTATION = ''' DOCUMENTATION = '''
--- ---
module: service module: service
author: author:
- "Ansible Core Team" - Ansible Core Team
- "Michael DeHaan" - Michael DeHaan
version_added: "0.1" version_added: "0.1"
short_description: Manage services. short_description: Manage services
description: description:
- Controls services on remote hosts. Supported init systems include BSD init, - Controls services on remote hosts. Supported init systems include BSD init,
OpenRC, SysV, Solaris SMF, systemd, upstart. OpenRC, SysV, Solaris SMF, systemd, upstart.
- For Windows targets, use the M(win_service) module instead. - For Windows targets, use the M(win_service) module instead.
options: options:
name: name:
required: true
description: description:
- Name of the service. - Name of the service.
required: true
state: state:
required: false
choices: [ started, stopped, restarted, reloaded ]
description: description:
- C(started)/C(stopped) are idempotent actions that will not run - C(started)/C(stopped) are idempotent actions that will not run
commands unless necessary. C(restarted) will always bounce the commands unless necessary. C(restarted) will always bounce the
@ -40,86 +36,81 @@ options:
and enabled are required.) Note that reloaded will start the and enabled are required.) Note that reloaded will start the
service if it is not already started, even if your chosen init service if it is not already started, even if your chosen init
system wouldn't normally. system wouldn't normally.
choices: [ reloaded, restarted, running, started, stopped ]
sleep: sleep:
required: false
version_added: "1.3"
description: description:
- If the service is being C(restarted) then sleep this many seconds - If the service is being C(restarted) then sleep this many seconds
between the stop and start command. This helps to workaround badly between the stop and start command. This helps to workaround badly
behaving init scripts that exit immediately after signaling a process behaving init scripts that exit immediately after signaling a process
to stop. to stop.
version_added: "1.3"
pattern: pattern:
required: false
version_added: "0.7"
description: description:
- If the service does not respond to the status command, name a - If the service does not respond to the status command, name a
substring to look for as would be found in the output of the I(ps) substring to look for as would be found in the output of the I(ps)
command as a stand-in for a status result. If the string is found, command as a stand-in for a status result. If the string is found,
the service will be assumed to be running. the service will be assumed to be running.
version_added: "0.7"
enabled: enabled:
required: false
choices: [ "yes", "no" ]
description: description:
- Whether the service should start on boot. B(At least one of state and - Whether the service should start on boot. B(At least one of state and
enabled are required.) enabled are required.)
type: bool
runlevel: runlevel:
required: false
default: 'default'
description: description:
- "For OpenRC init scripts (ex: Gentoo) only. The runlevel that this service belongs to." - "For OpenRC init scripts (ex: Gentoo) only. The runlevel that this service belongs to."
default: default
arguments: arguments:
description: description:
- Additional arguments provided on the command line - Additional arguments provided on the command line
aliases: [ 'args' ] aliases: [ args ]
use: use:
description: description:
- The service module actually uses system specific modules, normally through auto detection, this setting can force a specific module. - The service module actually uses system specific modules, normally through auto detection, this setting can force a specific module.
- Normally it uses the value of the 'ansible_service_mgr' fact and falls back to the old 'service' module when none matching is found. - Normally it uses the value of the 'ansible_service_mgr' fact and falls back to the old 'service' module when none matching is found.
default: 'auto' default: auto
version_added: 2.2 version_added: 2.2
notes: notes:
- For Windows targets, use the M(win_service) module instead. - For Windows targets, use the M(win_service) module instead.
''' '''
EXAMPLES = ''' EXAMPLES = '''
# Example action to start service httpd, if not running - name: Start service httpd, if not running
- service: service:
name: httpd name: httpd
state: started state: started
# Example action to stop service httpd, if running - name: Stop service httpd, if running
- service: service:
name: httpd name: httpd
state: stopped state: stopped
# Example action to restart service httpd, in all cases - name: Restart service httpd, in all cases
- service: service:
name: httpd name: httpd
state: restarted state: restarted
# Example action to reload service httpd, in all cases - name: Reload service httpd, in all cases
- service: service:
name: httpd name: httpd
state: reloaded state: reloaded
# Example action to enable service httpd, and not touch the running state - name: Enable service httpd, and not touch the running state
- service: service:
name: httpd name: httpd
enabled: yes enabled: yes
# Example action to start service foo, based on running process /usr/bin/foo - name: Start service foo, based on running process /usr/bin/foo
- service: service:
name: foo name: foo
pattern: /usr/bin/foo pattern: /usr/bin/foo
state: started state: started
# Example action to restart network service for interface eth0 - name: Restart network service for interface eth0
- service: service:
name: network name: network
state: restarted state: restarted
args: eth0 args: eth0
''' '''
import glob import glob
@ -314,7 +305,7 @@ class Service(object):
self.running = False self.running = False
lines = psout.split("\n") lines = psout.split("\n")
for line in lines: for line in lines:
if self.pattern in line and not "pattern=" in line: if self.pattern in line and "pattern=" not in line:
# so as to not confuse ./hacking/test-module # so as to not confuse ./hacking/test-module
self.running = True self.running = True
break break
@ -323,9 +314,9 @@ class Service(object):
if self.state and self.running is None: if self.state and self.running is None:
self.module.fail_json(msg="failed determining service state, possible typo of service name?") self.module.fail_json(msg="failed determining service state, possible typo of service name?")
# Find out if state has changed # Find out if state has changed
if not self.running and self.state in ["started", "running", "reloaded"]: if not self.running and self.state in ["reloaded", "running", "started"]:
self.svc_change = True self.svc_change = True
elif self.running and self.state in ["stopped","reloaded"]: elif self.running and self.state in ["reloaded", "stopped"]:
self.svc_change = True self.svc_change = True
elif self.state == "restarted": elif self.state == "restarted":
self.svc_change = True self.svc_change = True
@ -337,7 +328,7 @@ class Service(object):
# Only do something if state will change # Only do something if state will change
if self.svc_change: if self.svc_change:
# Control service # Control service
if self.state in ['started', 'running']: if self.state in ['running', 'started']:
self.action = "start" self.action = "start"
elif not self.running and self.state == 'reloaded': elif not self.running and self.state == 'reloaded':
self.action = "start" self.action = "start"
@ -417,8 +408,6 @@ class Service(object):
# Replace previous rc.conf. # Replace previous rc.conf.
self.module.atomic_move(tmp_rcconf_file, self.rcconf_file) self.module.atomic_move(tmp_rcconf_file, self.rcconf_file)
# ===========================================
# Subclass: Linux
class LinuxService(Service): class LinuxService(Service):
""" """
@ -432,23 +421,23 @@ class LinuxService(Service):
def get_service_tools(self): def get_service_tools(self):
paths = [ '/sbin', '/usr/sbin', '/bin', '/usr/bin' ] paths = ['/sbin', '/usr/sbin', '/bin', '/usr/bin']
binaries = [ 'service', 'chkconfig', 'update-rc.d', 'rc-service', 'rc-update', 'initctl', 'systemctl', 'start', 'stop', 'restart', 'insserv' ] binaries = ['service', 'chkconfig', 'update-rc.d', 'rc-service', 'rc-update', 'initctl', 'systemctl', 'start', 'stop', 'restart', 'insserv']
initpaths = [ '/etc/init.d' ] initpaths = ['/etc/init.d']
location = dict() location = dict()
for binary in binaries: for binary in binaries:
location[binary] = self.module.get_bin_path(binary, opt_dirs=paths) location[binary] = self.module.get_bin_path(binary, opt_dirs=paths)
for initdir in initpaths: for initdir in initpaths:
initscript = "%s/%s" % (initdir,self.name) initscript = "%s/%s" % (initdir, self.name)
if os.path.isfile(initscript): if os.path.isfile(initscript):
self.svc_initscript = initscript self.svc_initscript = initscript
def check_systemd(): def check_systemd():
# tools must be installed # tools must be installed
if location.get('systemctl',False): if location.get('systemctl', False):
# this should show if systemd is the boot init system # this should show if systemd is the boot init system
# these mirror systemd's own sd_boot test http://www.freedesktop.org/software/systemd/man/sd_booted.html # these mirror systemd's own sd_boot test http://www.freedesktop.org/software/systemd/man/sd_booted.html
@ -483,7 +472,7 @@ class LinuxService(Service):
self.upstart_version = LooseVersion('0.0.0') self.upstart_version = LooseVersion('0.0.0')
try: try:
version_re = re.compile(r'\(upstart (.*)\)') version_re = re.compile(r'\(upstart (.*)\)')
rc,stdout,stderr = self.module.run_command('%s version' % location['initctl']) rc, stdout, stderr = self.module.run_command('%s version' % location['initctl'])
if rc == 0: if rc == 0:
res = version_re.search(stdout) res = version_re.search(stdout)
if res: if res:
@ -612,7 +601,7 @@ class LinuxService(Service):
# if we have decided the service is managed by upstart, we check for some additional output... # if we have decided the service is managed by upstart, we check for some additional output...
if self.svc_initctl and self.running is None: if self.svc_initctl and self.running is None:
# check the job status by upstart response # check the job status by upstart response
initctl_rc, initctl_status_stdout, initctl_status_stderr = self.execute_command("%s status %s %s" % (self.svc_initctl, self.name, self.arguments )) initctl_rc, initctl_status_stdout, initctl_status_stderr = self.execute_command("%s status %s %s" % (self.svc_initctl, self.name, self.arguments))
if "stop/waiting" in initctl_status_stdout: if "stop/waiting" in initctl_status_stdout:
self.running = False self.running = False
elif "start/running" in initctl_status_stdout: elif "start/running" in initctl_status_stdout:
@ -664,7 +653,6 @@ class LinuxService(Service):
return self.running return self.running
def service_enable(self): def service_enable(self):
if self.enable_cmd is None: if self.enable_cmd is None:
@ -746,10 +734,10 @@ class LinuxService(Service):
if 'chkconfig --add %s' % self.name in err: if 'chkconfig --add %s' % self.name in err:
self.execute_command("%s --add %s" % (self.enable_cmd, self.name)) self.execute_command("%s --add %s" % (self.enable_cmd, self.name))
(rc, out, err) = self.execute_command("%s --list %s" % (self.enable_cmd, self.name)) (rc, out, err) = self.execute_command("%s --list %s" % (self.enable_cmd, self.name))
if not self.name in out: if self.name not in out:
self.module.fail_json(msg="service %s does not support chkconfig" % self.name) self.module.fail_json(msg="service %s does not support chkconfig" % self.name)
#TODO: look back on why this is here # TODO: look back on why this is here
#state = out.split()[-1] # state = out.split()[-1]
# Check if we're already in the correct state # Check if we're already in the correct state
if "3:%s" % action in out and "5:%s" % action in out: if "3:%s" % action in out and "5:%s" % action in out:
@ -905,7 +893,6 @@ class LinuxService(Service):
return (rc, out, err) return (rc, out, err)
def service_control(self): def service_control(self):
# Decide what command to run # Decide what command to run
@ -974,8 +961,6 @@ class LinuxService(Service):
return(rc_state, stdout, stderr) return(rc_state, stdout, stderr)
# ===========================================
# Subclass: FreeBSD
class FreeBsdService(Service): class FreeBsdService(Service):
""" """
@ -1010,7 +995,7 @@ class FreeBsdService(Service):
else: else:
self.rcconf_value = "NO" self.rcconf_value = "NO"
rcfiles = [ '/etc/rc.conf','/etc/rc.conf.local', '/usr/local/etc/rc.conf' ] rcfiles = ['/etc/rc.conf', '/etc/rc.conf.local', '/usr/local/etc/rc.conf']
for rcfile in rcfiles: for rcfile in rcfiles:
if os.path.isfile(rcfile): if os.path.isfile(rcfile):
self.rcconf_file = rcfile self.rcconf_file = rcfile
@ -1019,7 +1004,7 @@ class FreeBsdService(Service):
try: try:
rcvars = shlex.split(stdout, comments=True) rcvars = shlex.split(stdout, comments=True)
except: except:
#TODO: add a warning to the output with the failure # TODO: add a warning to the output with the failure
pass pass
if not rcvars: if not rcvars:
@ -1053,7 +1038,7 @@ class FreeBsdService(Service):
if self.module.check_mode: if self.module.check_mode:
self.module.exit_json(changed=True, msg="changing service enablement") self.module.exit_json(changed=True, msg="changing service enablement")
rc, change_stdout, change_stderr = self.execute_command("%s %s=\"%s\"" % (self.sysrc_cmd, self.rcconf_key, self.rcconf_value ) ) rc, change_stdout, change_stderr = self.execute_command("%s %s=\"%s\"" % (self.sysrc_cmd, self.rcconf_key, self.rcconf_value))
if rc != 0: if rc != 0:
self.module.fail_json(msg="unable to set rcvar using sysrc", stdout=change_stdout, stderr=change_stderr) self.module.fail_json(msg="unable to set rcvar using sysrc", stdout=change_stdout, stderr=change_stderr)
@ -1071,7 +1056,6 @@ class FreeBsdService(Service):
except Exception: except Exception:
self.module.fail_json(msg='unable to set rcvar') self.module.fail_json(msg='unable to set rcvar')
def service_control(self): def service_control(self):
if self.action == "start": if self.action == "start":
@ -1088,8 +1072,6 @@ class FreeBsdService(Service):
return ret return ret
# ===========================================
# Subclass: OpenBSD
class OpenBsdService(Service): class OpenBsdService(Service):
""" """
@ -1239,8 +1221,6 @@ class OpenBsdService(Service):
self.changed = True self.changed = True
# ===========================================
# Subclass: NetBSD
class NetBsdService(Service): class NetBsdService(Service):
""" """
@ -1255,10 +1235,10 @@ class NetBsdService(Service):
distribution = None distribution = None
def get_service_tools(self): def get_service_tools(self):
initpaths = [ '/etc/rc.d' ] # better: $rc_directories - how to get in here? Run: sh -c '. /etc/rc.conf ; echo $rc_directories' initpaths = ['/etc/rc.d'] # better: $rc_directories - how to get in here? Run: sh -c '. /etc/rc.conf ; echo $rc_directories'
for initdir in initpaths: for initdir in initpaths:
initscript = "%s/%s" % (initdir,self.name) initscript = "%s/%s" % (initdir, self.name)
if os.path.isfile(initscript): if os.path.isfile(initscript):
self.svc_initscript = initscript self.svc_initscript = initscript
@ -1271,12 +1251,12 @@ class NetBsdService(Service):
else: else:
self.rcconf_value = "NO" self.rcconf_value = "NO"
rcfiles = [ '/etc/rc.conf' ] # Overkill? rcfiles = ['/etc/rc.conf'] # Overkill?
for rcfile in rcfiles: for rcfile in rcfiles:
if os.path.isfile(rcfile): if os.path.isfile(rcfile):
self.rcconf_file = rcfile self.rcconf_file = rcfile
self.rcconf_key = "%s" % string.replace(self.name,"-","_") self.rcconf_key = "%s" % string.replace(self.name, "-", "_")
return self.service_enable_rcconf() return self.service_enable_rcconf()
@ -1297,8 +1277,7 @@ class NetBsdService(Service):
self.svc_cmd = "%s" % self.svc_initscript self.svc_cmd = "%s" % self.svc_initscript
return self.execute_command("%s %s" % (self.svc_cmd, self.action), daemonize=True) return self.execute_command("%s %s" % (self.svc_cmd, self.action), daemonize=True)
# ===========================================
# Subclass: SunOS
class SunOSService(Service): class SunOSService(Service):
""" """
This is the SunOS Service manipulation class - it uses the svcadm This is the SunOS Service manipulation class - it uses the svcadm
@ -1406,7 +1385,6 @@ class SunOSService(Service):
self.changed = True self.changed = True
def service_control(self): def service_control(self):
status = self.get_sunos_svcs_status() status = self.get_sunos_svcs_status()
@ -1433,8 +1411,6 @@ class SunOSService(Service):
return self.execute_command("%s %s %s" % (self.svcadm_cmd, subcmd, self.name)) return self.execute_command("%s %s %s" % (self.svcadm_cmd, subcmd, self.name))
# ===========================================
# Subclass: AIX
class AIX(Service): class AIX(Service):
""" """
@ -1468,7 +1444,6 @@ class AIX(Service):
if not self.refresh_cmd: if not self.refresh_cmd:
self.module.fail_json(msg='unable to find refresh binary') self.module.fail_json(msg='unable to find refresh binary')
def get_service_status(self): def get_service_status(self):
status = self.get_aix_src_status() status = self.get_aix_src_status()
# Only 'active' is considered properly running. Everything else is off # Only 'active' is considered properly running. Everything else is off
@ -1513,14 +1488,14 @@ class AIX(Service):
def main(): def main():
module = AnsibleModule( module = AnsibleModule(
argument_spec = dict( argument_spec=dict(
name = dict(required=True), name=dict(type='str', required=True),
state = dict(choices=['running', 'started', 'stopped', 'restarted', 'reloaded']), state=dict(type='str', choices=['running', 'started', 'stopped', 'reloaded', 'restarted']),
sleep = dict(required=False, type='int', default=None), sleep=dict(type='int'),
pattern = dict(required=False, default=None), pattern=dict(type='str'),
enabled = dict(type='bool'), enabled=dict(type='bool'),
runlevel = dict(required=False, default='default'), runlevel=dict(type='str', default='default'),
arguments = dict(aliases=['args'], default=''), arguments=dict(type='str', default='', aliases=['args']),
), ),
supports_check_mode=True, supports_check_mode=True,
required_one_of=[['state', 'enabled']], required_one_of=[['state', 'enabled']],
@ -1594,12 +1569,13 @@ def main():
else: else:
# as we may have just bounced the service the service command may not # as we may have just bounced the service the service command may not
# report accurate state at this moment so just show what we ran # report accurate state at this moment so just show what we ran
if service.module.params['state'] in ['started','restarted','running','reloaded']: if service.module.params['state'] in ['reloaded', 'restarted', 'running', 'started']:
result['state'] = 'started' result['state'] = 'started'
else: else:
result['state'] = 'stopped' result['state'] = 'stopped'
module.exit_json(**result) module.exit_json(**result)
if __name__ == '__main__': if __name__ == '__main__':
main() main()

1
test/sanity/pep8/legacy-files.txt
Unescape Escape View File

@ -358,7 +358,6 @@ lib/ansible/modules/system/pam_limits.py
lib/ansible/modules/system/puppet.py lib/ansible/modules/system/puppet.py
lib/ansible/modules/system/runit.py lib/ansible/modules/system/runit.py
lib/ansible/modules/system/seport.py lib/ansible/modules/system/seport.py
lib/ansible/modules/system/service.py
lib/ansible/modules/system/solaris_zone.py lib/ansible/modules/system/solaris_zone.py
lib/ansible/modules/system/svc.py lib/ansible/modules/system/svc.py
lib/ansible/modules/system/systemd.py lib/ansible/modules/system/systemd.py

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