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@ -49,7 +49,12 @@ options:
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description:
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- Purge existing availability zones on ELB that are not found in zones
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required: false
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default: False
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default: false
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health_check:
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description:
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- An associative array of health check configuration settigs (see example)
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require: false
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default: None
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aws_secret_key:
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description:
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- AWS secret key. If not set then the value of the AWS_SECRET_KEY environment variable is used.
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@ -83,15 +88,36 @@ EXAMPLES = """
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- us-east-1a
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- us-east-1d
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listeners:
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- protocol: http
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- protocol: http # options are http, https, ssl, tcp
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load_balancer_port: 80
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instance_port: 80
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- protocol: https
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load_balancer_port: 443
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instance_protocol: http
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instance_protocol: http # optional, defaults to value of protocol setting
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instance_port: 80
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# ssl certificate required for https or ssl
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ssl_certificate_id: "arn:aws:iam::123456789012:server-certificate/company/servercerts/ProdServerCert"
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# Configure a health check
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- local_action:
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module: ec2_elb_lb
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name: "test-please-delete"
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state: present
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zones:
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- us-east-1d
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listeners:
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- protocol: http
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load_balancer_port: 80
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instance_port: 80
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health_check:
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ping_protocol: http # options are http, https, ssl, tcp
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ping_port: 80
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ping_path: "/index.html" # not required for tcp or ssl
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response_timeout: 5 # seconds
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interval: 30 # seconds
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unhealthy_threshold: 2
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healthy_threshold: 10
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# Ensure ELB is gone
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- local_action:
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module: ec2_elb_lb
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@ -146,6 +172,7 @@ AWS_REGIONS = ['ap-northeast-1',
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try:
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import boto
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import boto.ec2.elb
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from boto.ec2.elb.healthcheck import HealthCheck
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from boto.regioninfo import RegionInfo
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except ImportError:
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print "failed=True msg='boto required for this module'"
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@ -156,14 +183,15 @@ class ElbManager(object):
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"""Handles ELB creation and destruction"""
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def __init__(self, module, name, listeners=None, purge_listeners=None,
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zones=None, purge_zones=None, aws_access_key=None,
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aws_secret_key=None, region=None):
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zones=None, purge_zones=None, health_check=None,
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aws_access_key=None, aws_secret_key=None, region=None):
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self.module = module
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self.name = name
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self.listeners = listeners
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self.purge_listeners = purge_listeners
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self.zones = zones
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self.purge_zones = purge_zones
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self.health_check = health_check
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self.aws_access_key = aws_access_key
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self.aws_secret_key = aws_secret_key
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@ -182,6 +210,7 @@ class ElbManager(object):
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else:
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self._set_zones()
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self._set_elb_listeners()
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self._set_health_check()
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def ensure_gone(self):
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"""Destroy the ELB"""
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@ -201,6 +230,16 @@ class ElbManager(object):
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'zones': self.elb.availability_zones,
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'status': self.status
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}
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if self.elb.health_check:
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info['health_check'] = {
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'target': self.elb.health_check.target,
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'interval': self.elb.health_check.interval,
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'timeout': self.elb.health_check.timeout,
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'healthy_threshold': self.elb.health_check.healthy_threshold,
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'unhealthy_threshold': self.elb.health_check.unhealthy_threshold,
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}
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if self.elb.listeners:
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info['listeners'] = [l.get_complex_tuple()
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for l in self.elb.listeners]
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@ -366,6 +405,46 @@ class ElbManager(object):
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if zones_to_disable:
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self._disable_zones(zones_to_disable)
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def _set_health_check(self):
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"""Set health check values on ELB as needed"""
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if self.health_check:
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# This just makes it easier to compare each of the attributes
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# and look for changes. Keys are attributes of the current
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# health_check; values are desired values of new health_check
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health_check_config = {
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"target": self._get_health_check_target(),
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"timeout": self.health_check['response_timeout'],
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"interval": self.health_check['interval'],
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"unhealthy_threshold": self.health_check['unhealthy_threshold'],
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"healthy_threshold": self.health_check['healthy_threshold'],
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}
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update_health_check = False
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# The health_check attribute is *not* set on newly created
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# ELBs! So we have to create our own.
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if not self.elb.health_check:
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self.elb.health_check = HealthCheck()
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for attr, desired_value in health_check_config.iteritems():
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if getattr(self.elb.health_check, attr) != desired_value:
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setattr(self.elb.health_check, attr, desired_value)
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update_health_check = True
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if update_health_check:
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self.elb.configure_health_check(self.elb.health_check)
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self.changed = True
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def _get_health_check_target(self):
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"""Compose target string from healthcheck parameters"""
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protocol = self.health_check['ping_protocol'].upper()
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path = ""
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if protocol in ['HTTP', 'HTTPS'] and 'ping_path' in self.health_check:
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path = self.health_check['ping_path']
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return "%s:%s%s" % (protocol, self.health_check['ping_port'], path)
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def main():
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module = AnsibleModule(
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@ -378,6 +457,7 @@ def main():
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zones={'default': None, 'required': False, 'type': 'list'},
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purge_zones={'default': False, 'required': False,
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'choices': BOOLEANS, 'type': 'bool'},
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health_check={'default': None, 'required': False, 'type': 'dict'},
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aws_secret_key={'default': None,
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'aliases': ['ec2_secret_key', 'secret_key'],
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'no_log': True},
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@ -398,6 +478,7 @@ def main():
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purge_listeners = module.params['purge_listeners']
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zones = module.params['zones']
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purge_zones = module.params['purge_zones']
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health_check = module.params['health_check']
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if state == 'present' and not listeners:
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module.fail_json(msg="At least one port is required for ELB creation")
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@ -427,8 +508,8 @@ def main():
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module.fail_json(msg=str("Either region or EC2_REGION environment variable must be set."))
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elb_man = ElbManager(module, name, listeners, purge_listeners, zones,
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purge_zones, aws_access_key, aws_secret_key,
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region=region)
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purge_zones, health_check, aws_access_key,
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aws_secret_key, region=region)
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if state == 'present':
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elb_man.ensure_ok()
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