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
Matt Clay
parent
fea8995df1
commit
c8e0f3a552
1 changed files with 59 additions and 16 deletions
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@ -123,6 +123,20 @@ options:
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is supplied, m will be used by default e.g. 1 will be 1m
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required: false
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default: None
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http:
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description:
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- checks can be registered with an http endpoint. This means that consul
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will check that the http endpoint returns a successful http status.
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Interval must also be provided with this option.
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required: false
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default: None
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timeout:
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description:
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- A custom HTTP check timeout. The consul default is 10 seconds.
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Similar to the interval this is a number with a s or m suffix to
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signify the units of seconds or minutes, e.g. 15s or 1m.
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required: false
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default: None
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token:
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description:
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- the token key indentifying an ACL rule set. May be required to register services.
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@ -143,6 +157,13 @@ EXAMPLES = '''
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script: "curl http://localhost"
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interval: 60s
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- name: register nginx with an http check
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consul:
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name: nginx
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service_port: 80
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interval: 60s
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http: /status
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- name: register nginx with some service tags
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consul:
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service_name: nginx
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@ -235,7 +256,9 @@ def add_check(module, check):
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check_name=check.name,
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script=check.script,
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interval=check.interval,
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ttl=check.ttl)
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ttl=check.ttl,
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http=check.http,
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timeout=check.timeout)
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def remove_check(module, check_id):
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@ -302,12 +325,12 @@ def get_service_by_id(consul_api, service_id):
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def parse_check(module):
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if module.params.get('script') and module.params.get('ttl'):
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if len(filter(None, [module.params.get('script'), module.params.get('ttl'), module.params.get('http')])) > 1:
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module.fail_json(
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msg='check are either script or ttl driven, supplying both does'\
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' not make sense')
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msg='check are either script, http or ttl driven, supplying more'\
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' than one does not make sense')
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if module.params.get('check_id') or module.params.get('script') or module.params.get('ttl'):
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if module.params.get('check_id') or module.params.get('script') or module.params.get('ttl') or module.params.get('http'):
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return ConsulCheck(
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module.params.get('check_id'),
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@ -317,7 +340,9 @@ def parse_check(module):
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module.params.get('script'),
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module.params.get('interval'),
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module.params.get('ttl'),
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module.params.get('notes')
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module.params.get('notes'),
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module.params.get('http'),
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module.params.get('timeout')
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)
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@ -357,14 +382,13 @@ class ConsulService():
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def register(self, consul_api):
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if len(self.checks) > 0:
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check = self.checks[0]
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consul_api.agent.service.register(
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self.name,
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service_id=self.id,
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port=self.port,
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tags=self.tags,
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script=check.script,
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interval=check.interval,
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ttl=check.ttl)
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check=check.check)
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else:
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consul_api.agent.service.register(
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self.name,
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@ -405,17 +429,33 @@ class ConsulService():
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class ConsulCheck():
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def __init__(self, check_id, name, node=None, host='localhost',
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script=None, interval=None, ttl=None, notes=None):
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script=None, interval=None, ttl=None, notes=None, http=None, timeout=None):
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self.check_id = self.name = name
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if check_id:
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self.check_id = check_id
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self.script = script
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self.interval = self.validate_duration('interval', interval)
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self.ttl = self.validate_duration('ttl', ttl)
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self.notes = notes
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self.node = node
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self.host = host
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self.interval = self.validate_duration('interval', interval)
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self.ttl = self.validate_duration('ttl', ttl)
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self.script = script
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self.http = http
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self.timeout = self.validate_duration('timeout', timeout)
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self.check = None
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if script:
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self.check = consul.Check.script(script, self.interval)
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if ttl:
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self.check = consul.Check.ttl(self.ttl)
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if http:
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if interval == None:
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raise Exception('http check must specify interval')
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self.check = consul.Check.http(http, self.interval, self.timeout)
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def validate_duration(self, name, duration):
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@ -428,9 +468,8 @@ class ConsulCheck():
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def register(self, consul_api):
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consul_api.agent.check.register(self.name, check_id=self.check_id,
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script=self.script,
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interval=self.interval,
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ttl=self.ttl, notes=self.notes)
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notes=self.notes,
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check=self.check)
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def __eq__(self, other):
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return (isinstance(other, self.__class__)
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@ -452,6 +491,8 @@ class ConsulCheck():
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self._add(data, 'host')
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self._add(data, 'interval')
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self._add(data, 'ttl')
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self._add(data, 'http')
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self._add(data, 'timeout')
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return data
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def _add(self, data, key, attr=None):
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@ -484,6 +525,8 @@ def main():
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state=dict(default='present', choices=['present', 'absent']),
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interval=dict(required=False, type='str'),
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ttl=dict(required=False, type='str'),
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http=dict(required=False, type='str'),
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timeout=dict(required=False, type='str'),
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tags=dict(required=False, type='list'),
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token=dict(required=False)
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),
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