Add consul http checks to consul.py
Consul module already supports ttl and script checks. This commit adds http checks.
This commit is contained in:
Jeremy Wells
parent
b211bacb40
commit
cf4b4be901
1 changed files with 59 additions and 16 deletions
|
|
@ -123,6 +123,20 @@ options:
|
|||
is supplied, m will be used by default e.g. 1 will be 1m
|
||||
required: false
|
||||
default: None
|
||||
http:
|
||||
description:
|
||||
- checks can be registered with an http endpoint. This means that consul
|
||||
will check that the http endpoint returns a successful http status.
|
||||
Interval must also be provided with this option.
|
||||
required: false
|
||||
default: None
|
||||
timeout:
|
||||
description:
|
||||
- A custom HTTP check timeout. The consul default is 10 seconds.
|
||||
Similar to the interval this is a number with a s or m suffix to
|
||||
signify the units of seconds or minutes, e.g. 15s or 1m.
|
||||
required: false
|
||||
default: None
|
||||
token:
|
||||
description:
|
||||
- the token key indentifying an ACL rule set. May be required to register services.
|
||||
|
|
@ -143,6 +157,13 @@ EXAMPLES = '''
|
|||
script: "curl http://localhost"
|
||||
interval: 60s
|
||||
|
||||
- name: register nginx with an http check
|
||||
consul:
|
||||
name: nginx
|
||||
service_port: 80
|
||||
interval: 60s
|
||||
http: /status
|
||||
|
||||
- name: register nginx with some service tags
|
||||
consul:
|
||||
name: nginx
|
||||
|
|
@ -235,7 +256,9 @@ def add_check(module, check):
|
|||
check_name=check.name,
|
||||
script=check.script,
|
||||
interval=check.interval,
|
||||
ttl=check.ttl)
|
||||
ttl=check.ttl,
|
||||
http=check.http,
|
||||
timeout=check.timeout)
|
||||
|
||||
|
||||
def remove_check(module, check_id):
|
||||
|
|
@ -302,12 +325,12 @@ def get_service_by_id(consul_api, service_id):
|
|||
|
||||
def parse_check(module):
|
||||
|
||||
if module.params.get('script') and module.params.get('ttl'):
|
||||
if len(filter(None, [module.params.get('script'), module.params.get('ttl'), module.params.get('http')])) > 1:
|
||||
module.fail_json(
|
||||
msg='check are either script or ttl driven, supplying both does'\
|
||||
' not make sense')
|
||||
msg='check are either script, http or ttl driven, supplying more'\
|
||||
' than one does not make sense')
|
||||
|
||||
if module.params.get('check_id') or module.params.get('script') or module.params.get('ttl'):
|
||||
if module.params.get('check_id') or module.params.get('script') or module.params.get('ttl') or module.params.get('http'):
|
||||
|
||||
return ConsulCheck(
|
||||
module.params.get('check_id'),
|
||||
|
|
@ -317,7 +340,9 @@ def parse_check(module):
|
|||
module.params.get('script'),
|
||||
module.params.get('interval'),
|
||||
module.params.get('ttl'),
|
||||
module.params.get('notes')
|
||||
module.params.get('notes'),
|
||||
module.params.get('http'),
|
||||
module.params.get('timeout')
|
||||
)
|
||||
|
||||
|
||||
|
|
@ -357,14 +382,13 @@ class ConsulService():
|
|||
def register(self, consul_api):
|
||||
if len(self.checks) > 0:
|
||||
check = self.checks[0]
|
||||
|
||||
consul_api.agent.service.register(
|
||||
self.name,
|
||||
service_id=self.id,
|
||||
port=self.port,
|
||||
tags=self.tags,
|
||||
script=check.script,
|
||||
interval=check.interval,
|
||||
ttl=check.ttl)
|
||||
check=check.check)
|
||||
else:
|
||||
consul_api.agent.service.register(
|
||||
self.name,
|
||||
|
|
@ -405,17 +429,33 @@ class ConsulService():
|
|||
class ConsulCheck():
|
||||
|
||||
def __init__(self, check_id, name, node=None, host='localhost',
|
||||
script=None, interval=None, ttl=None, notes=None):
|
||||
script=None, interval=None, ttl=None, notes=None, http=None, timeout=None):
|
||||
self.check_id = self.name = name
|
||||
if check_id:
|
||||
self.check_id = check_id
|
||||
self.script = script
|
||||
self.interval = self.validate_duration('interval', interval)
|
||||
self.ttl = self.validate_duration('ttl', ttl)
|
||||
self.notes = notes
|
||||
self.node = node
|
||||
self.host = host
|
||||
|
||||
self.interval = self.validate_duration('interval', interval)
|
||||
self.ttl = self.validate_duration('ttl', ttl)
|
||||
self.script = script
|
||||
self.http = http
|
||||
self.timeout = self.validate_duration('timeout', timeout)
|
||||
|
||||
self.check = None
|
||||
|
||||
if script:
|
||||
self.check = consul.Check.script(script, self.interval)
|
||||
|
||||
if ttl:
|
||||
self.check = consul.Check.ttl(self.ttl)
|
||||
|
||||
if http:
|
||||
if interval == None:
|
||||
raise Exception('http check must specify interval')
|
||||
|
||||
self.check = consul.Check.http(http, self.interval, self.timeout)
|
||||
|
||||
|
||||
def validate_duration(self, name, duration):
|
||||
|
|
@ -428,9 +468,8 @@ class ConsulCheck():
|
|||
|
||||
def register(self, consul_api):
|
||||
consul_api.agent.check.register(self.name, check_id=self.check_id,
|
||||
script=self.script,
|
||||
interval=self.interval,
|
||||
ttl=self.ttl, notes=self.notes)
|
||||
notes=self.notes,
|
||||
check=self.check)
|
||||
|
||||
def __eq__(self, other):
|
||||
return (isinstance(other, self.__class__)
|
||||
|
|
@ -452,6 +491,8 @@ class ConsulCheck():
|
|||
self._add(data, 'host')
|
||||
self._add(data, 'interval')
|
||||
self._add(data, 'ttl')
|
||||
self._add(data, 'http')
|
||||
self._add(data, 'timeout')
|
||||
return data
|
||||
|
||||
def _add(self, data, key, attr=None):
|
||||
|
|
@ -484,6 +525,8 @@ def main():
|
|||
state=dict(default='present', choices=['present', 'absent']),
|
||||
interval=dict(required=False, type='str'),
|
||||
ttl=dict(required=False, type='str'),
|
||||
http=dict(required=False, type='str'),
|
||||
timeout=dict(required=False, type='str'),
|
||||
tags=dict(required=False, type='list'),
|
||||
token=dict(required=False)
|
||||
),
|
||||
|
|
|
|||
Loading…
Reference in a new issue