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Nagios: added 'acknowledge' and 'schedule_forced_svc_check' action (#820) (#990)

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* bugfix for None-type error

* add acknowledge and service_check options

* fix whitespace issues

* documentation fix

* fix version error

* changelog fix

* Update plugins/modules/monitoring/nagios.py

Co-authored-by: Felix Fontein <felix@fontein.de>

* fix int convert error

* Update plugins/modules/monitoring/nagios.py

Co-authored-by: Felix Fontein <felix@fontein.de>

* indentation fix

Co-authored-by: Goetheyn Tony <tony.goetheyn@digipolis.gent>
Co-authored-by: Felix Fontein <felix@fontein.de>
(cherry picked from commit 7310a34b55)

Co-authored-by: Tony Goetheyn <13643294+tgoetheyn@users.noreply.github.com>
This commit is contained in:
patchback[bot] 2020-09-29 06:17:36 +00:00 committed by GitHub
parent 25474f657a
commit 96a8390b5e
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2 changed files with 179 additions and 8 deletions
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3
changelogs/fragments/820_nagios_added_acknowledge_and_servicecheck.yml Normal file
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@ -0,0 +1,3 @@
minor_changes:
- nagios - add the ``acknowledge`` action (https://github.com/ansible-collections/community.general/pull/820).
- nagios - add the ``service_check`` action (https://github.com/ansible-collections/community.general/pull/820).

182
plugins/modules/monitoring/nagios.py
View file

@ -22,10 +22,10 @@ description:
- All actions require the I(host) parameter to be given explicitly. In playbooks you can use the C({{inventory_hostname}}) variable to refer
to the host the playbook is currently running on.
- You can specify multiple services at once by separating them with commas, .e.g., C(services=httpd,nfs,puppet).
- When specifying what service to handle there is a special service value, I(host), which will handle alerts/downtime for the I(host itself),
- When specifying what service to handle there is a special service value, I(host), which will handle alerts/downtime/acknowledge for the I(host itself),
e.g., C(service=host). This keyword may not be given with other services at the same time.
I(Setting alerts/downtime for a host does not affect alerts/downtime for any of the services running on it.) To schedule downtime for all
services on particular host use keyword "all", e.g., C(service=all).
I(Setting alerts/downtime/acknowledge for a host does not affect alerts/downtime/acknowledge for any of the services running on it.)
To schedule downtime for all services on particular host use keyword "all", e.g., C(service=all).
- When using the C(nagios) module you will need to specify your Nagios server using the C(delegate_to) parameter.
options:
action:
@ -33,10 +33,11 @@ options:
- Action to take.
- servicegroup options were added in 2.0.
- delete_downtime options were added in 2.2.
- The C(acknowledge) and C(service_check) actions were added in community.general 1.2.0.
required: true
choices: [ "downtime", "delete_downtime", "enable_alerts", "disable_alerts", "silence", "unsilence",
"silence_nagios", "unsilence_nagios", "command", "servicegroup_service_downtime",
"servicegroup_host_downtime" ]
"servicegroup_host_downtime", "acknowledge", "service_check" ]
host:
description:
- Host to operate on in Nagios.
@ -48,11 +49,11 @@ options:
author:
description:
- Author to leave downtime comments as.
Only usable with the C(downtime) action.
Only usable with the C(downtime) and C(acknowledge) action.
default: Ansible
comment:
description:
- Comment for C(downtime) action.
- Comment for C(downtime) and C(acknowledge)action.
default: Scheduling downtime
start:
description:
@ -68,7 +69,7 @@ options:
description:
- What to manage downtime/alerts for. Separate multiple services with commas.
C(service) is an alias for C(services).
B(Required) option when using the C(downtime), C(enable_alerts), and C(disable_alerts) actions.
B(Required) option when using the C(downtime), C(acknowledge), C(service_check), C(enable_alerts), and C(disable_alerts) actions.
aliases: [ "service" ]
required: true
servicegroup:
@ -156,6 +157,27 @@ EXAMPLES = '''
service: host
comment: Planned maintenance
- name: acknowledge an HOST with a particular comment
community.general.nagios:
action: acknowledge
service: host
host: '{{ inventory_hostname }}'
comment: 'power outage - see casenr 12345'
- name: acknowledge an active service problem for the httpd service with a particular comment
community.general.nagios:
action: acknowledge
service: httpd
host: '{{ inventory_hostname }}'
comment: 'service crashed - see casenr 12345'
- name: acknowledge an passive service problem for snmp trap with a particular comment
community.general.nagios:
action: service_check
service: snmp
host: '{{ inventory_hostname }}'
comment: 'switch problem - see casenr 12345'
- name: Enable SMART disk alerts
community.general.nagios:
action: enable_alerts
@ -256,6 +278,8 @@ def main():
'command',
'servicegroup_host_downtime',
'servicegroup_service_downtime',
'acknowledge',
'service_check',
]
module = AnsibleModule(
@ -284,6 +308,7 @@ def main():
##################################################################
# Required args per action:
# downtime = (minutes, service, host)
# acknowledge = (service, host)
# (un)silence = (host)
# (enable/disable)_alerts = (service, host)
# command = command
@ -322,6 +347,18 @@ def main():
if action in ['command']:
if not command:
module.fail_json(msg='no command passed for command action')
######################################################################
if action == 'acknowledge':
# Make sure there's an actual service selected
if not services:
module.fail_json(msg='no service selected to acknowledge')
##################################################################
if action == 'service_check':
# Make sure there's an actual service selected
if not services:
module.fail_json(msg='no service selected to check')
##################################################################
if not cmdfile:
module.fail_json(msg='unable to locate nagios.cfg')
@ -358,7 +395,10 @@ class Nagios(object):
self.comment = kwargs['comment']
self.host = kwargs['host']
self.servicegroup = kwargs['servicegroup']
if kwargs['start'] is not None:
self.start = int(kwargs['start'])
else:
self.start = None
self.minutes = kwargs['minutes']
self.cmdfile = kwargs['cmdfile']
self.command = kwargs['command']
@ -448,6 +488,44 @@ class Nagios(object):
return dt_str
def _fmt_ack_str(self, cmd, host, author=None,
comment=None, svc=None, sticky=0, notify=1, persistent=0):
"""
Format an external-command acknowledge string.
cmd - Nagios command ID
host - Host schedule downtime on
author - Name to file the downtime as
comment - Reason for running this command (upgrade, reboot, etc)
svc - Service to schedule downtime for, omit when for host downtime
sticky - the acknowledgement will remain until the host returns to an UP state if set to 1
notify - a notification will be sent out to contacts
persistent - survive across restarts of the Nagios process
Syntax: [submitted] COMMAND;<host_name>;[<service_description>]
<sticky>;<notify>;<persistent>;<author>;<comment>
"""
entry_time = self._now()
hdr = "[%s] %s;%s;" % (entry_time, cmd, host)
if not author:
author = self.author
if not comment:
comment = self.comment
if svc is not None:
ack_args = [svc, str(sticky), str(notify), str(persistent), author, comment]
else:
# Downtime for a host if no svc specified
ack_args = [str(sticky), str(notify), str(persistent), author, comment]
ack_arg_str = ";".join(ack_args)
ack_str = hdr + ack_arg_str + "\n"
return ack_str
def _fmt_dt_del_str(self, cmd, host, svc=None, start=None, comment=None):
"""
Format an external-command downtime deletion string.
@ -489,6 +567,31 @@ class Nagios(object):
return dt_del_str
def _fmt_chk_str(self, cmd, host, svc=None, start=None):
"""
Format an external-command downtime deletion string.
cmd - Nagios command ID
host - Host to check service from
svc - Service to check
start - check time
Syntax: [submitted] COMMAND;<host_name>;[<service_description>];<check_time>
"""
entry_time = self._now()
hdr = "[%s] %s;%s;" % (entry_time, cmd, host)
if start is None:
start = entry_time + 3
chk_args = [svc, str(start)]
chk_arg_str = ";".join(chk_args)
chk_str = hdr + chk_arg_str + "\n"
return chk_str
def _fmt_notif_str(self, cmd, host=None, svc=None):
"""
Format an external-command notification string.
@ -552,6 +655,62 @@ class Nagios(object):
dt_cmd_str = self._fmt_dt_str(cmd, host, minutes, start=start)
self._write_command(dt_cmd_str)
def acknowledge_svc_problem(self, host, services=None):
"""
This command is used to acknowledge a particular
service problem.
By acknowledging the current problem, future notifications
for the same servicestate are disabled
Syntax: ACKNOWLEDGE_SVC_PROBLEM;<host_name>;<service_description>;
<sticky>;<notify>;<persistent>;<author>;<comment>
"""
cmd = "ACKNOWLEDGE_SVC_PROBLEM"
if services is None:
services = []
for service in services:
ack_cmd_str = self._fmt_ack_str(cmd, host, svc=service)
self._write_command(ack_cmd_str)
def acknowledge_host_problem(self, host):
"""
This command is used to acknowledge a particular
host problem.
By acknowledging the current problem, future notifications
for the same servicestate are disabled
Syntax: ACKNOWLEDGE_HOST_PROBLEM;<host_name>;<sticky>;<notify>;
<persistent>;<author>;<comment>
"""
cmd = "ACKNOWLEDGE_HOST_PROBLEM"
ack_cmd_str = self._fmt_ack_str(cmd, host)
self._write_command(ack_cmd_str)
def schedule_forced_svc_check(self, host, services=None):
"""
This command is used to check a particular
service .
Schedules a forced active check of a particular service
Syntax: SCHEDULE_FORCED_SVC_CHECK;<host_name>;<service_description>;<check_time>
"""
cmd = "SCHEDULE_FORCED_SVC_CHECK"
if services is None:
services = []
for service in services:
chk_cmd_str = self._fmt_chk_str(cmd, host, svc=service)
self._write_command(chk_cmd_str)
def schedule_host_svc_downtime(self, host, minutes=30, start=None):
"""
This command is used to schedule downtime for
@ -1020,6 +1179,12 @@ class Nagios(object):
minutes=self.minutes,
start=self.start)
elif self.action == 'acknowledge':
if self.services == 'host':
self.acknowledge_host_problem(self.host)
else:
self.acknowledge_svc_problem(self.host, services=self.services)
elif self.action == 'delete_downtime':
if self.services == 'host':
self.delete_host_downtime(self.host)
@ -1028,6 +1193,9 @@ class Nagios(object):
else:
self.delete_host_downtime(self.host, services=self.services)
elif self.action == 'service_check':
self.schedule_forced_svc_check(self.host, services=self.services)
elif self.action == "servicegroup_host_downtime":
if self.servicegroup:
self.schedule_servicegroup_host_downtime(servicegroup=self.servicegroup, minutes=self.minutes, start=self.start)