Adds support for VPC subnets to ELB
This commit is contained in:
Mike Buzzetti
parent
09e0d1c51f
commit
5dada9403e
1 changed files with 92 additions and 20 deletions
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@ -66,6 +66,22 @@ options:
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- The AWS region to use. If not specified then the value of the EC2_REGION environment variable, if any, is used.
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required: false
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aliases: ['aws_region', 'ec2_region']
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subnets:
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description:
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- A list of VPC subnets to use when creating ELB. Zones should be empty if using this.
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required: false
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default: None
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aliases: []
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version_added: "1.6"
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validate_certs:
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description:
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- When set to "no", SSL certificates will not be validated for boto versions >= 2.6.0.
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required: false
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default: "yes"
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choices: ["yes", "no"]
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aliases: []
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version_added: "1.5"
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extends_documentation_fragment: aws
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"""
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@ -92,6 +108,21 @@ EXAMPLES = """
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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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# Basic VPC provisioning example
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- local_action:
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module: ec2_elb_lb
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name: "test-vpc"
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state: present
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subnets:
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zones:
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- subnet-abcd1234
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- subnet-1a2b3c4d
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listeners:
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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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# Configure a health check
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- local_action:
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module: ec2_elb_lb
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@ -149,6 +180,19 @@ EXAMPLES = """
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load_balancer_port: 80
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instance_port: 80
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purge_zones: yes
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# Creates a ELB and assigns a list of subnets to it.
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- local_action:
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module: ec2_elb_lb
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state: present
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name: 'New ELB'
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security_group_ids: 'sg-123456, sg-67890'
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region: us-west-2
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subnets: 'subnet-123456, subnet-67890'
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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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"""
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import sys
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@ -168,8 +212,10 @@ 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, security_group_ids=None, health_check=None,
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zones=None, purge_zones=None, security_group_ids=None,
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health_check=None, subnets=None,
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region=None, **aws_connect_params):
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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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@ -178,6 +224,7 @@ class ElbManager(object):
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self.purge_zones = purge_zones
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self.security_group_ids = security_group_ids
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self.health_check = health_check
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self.subnets = subnets
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self.aws_connect_params = aws_connect_params
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self.region = region
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@ -196,6 +243,7 @@ class ElbManager(object):
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self._set_zones()
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self._set_security_groups()
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self._set_elb_listeners()
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self._set_subnets()
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self._set_health_check()
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def ensure_gone(self):
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@ -215,7 +263,8 @@ class ElbManager(object):
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'dns_name': self.elb.dns_name,
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'zones': self.elb.availability_zones,
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'security_group_ids': self.elb.security_groups,
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'status': self.status
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'status': self.status,
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'subnets': self.subnets
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}
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if self.elb.health_check:
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@ -266,7 +315,8 @@ class ElbManager(object):
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self.elb = self.elb_conn.create_load_balancer(name=self.name,
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zones=self.zones,
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security_groups=self.security_group_ids,
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complex_listeners=listeners)
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complex_listeners=listeners,
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subnets=self.subnets)
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if self.elb:
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self.changed = True
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self.status = 'created'
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@ -373,22 +423,42 @@ class ElbManager(object):
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self.elb_conn.disable_availability_zones(self.name, zones)
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self.changed = True
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def _attach_subnets(self, subnets):
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self.elb_conn.attach_lb_to_subnets(self.name, subnets)
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self.changed = True
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def _detach_subnets(self, subnets):
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self.elb_conn.detach_lb_from_subnets(self.name, subnets)
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self.changed = True
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def _set_subnets(self):
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"""Determine which subnets need to be attached or detached on the ELB"""
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if self.subnets:
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subnets_to_detach = list(set(self.elb.subnets) - set(self.subnets))
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subnets_to_attach = list(set(self.subnets) - set(self.elb.subnets))
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if subnets_to_attach:
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self._attach_subnets(subnets_to_attach)
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if subnets_to_detach:
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self._detach_subnets(subnets_to_detach)
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def _set_zones(self):
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"""Determine which zones need to be enabled or disabled on the ELB"""
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if self.purge_zones:
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zones_to_disable = list(set(self.elb.availability_zones) -
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if self.zones:
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if self.purge_zones:
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zones_to_disable = list(set(self.elb.availability_zones) -
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set(self.zones))
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zones_to_enable = list(set(self.zones) -
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set(self.elb.availability_zones))
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else:
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zones_to_disable = None
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zones_to_enable = list(set(self.zones) -
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set(self.elb.availability_zones))
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if zones_to_enable:
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self._enable_zones(zones_to_enable)
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# N.B. This must come second, in case it would have removed all zones
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if zones_to_disable:
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self._disable_zones(zones_to_disable)
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zones_to_enable = list(set(self.zones) -
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set(self.elb.availability_zones))
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else:
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zones_to_disable = None
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zones_to_enable = list(set(self.zones) -
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set(self.elb.availability_zones))
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if zones_to_enable:
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self._enable_zones(zones_to_enable)
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# N.B. This must come second, in case it would have removed all zones
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if zones_to_disable:
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self._disable_zones(zones_to_disable)
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def _set_security_groups(self):
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if self.security_group_ids != None and set(self.elb.security_groups) != set(self.security_group_ids):
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@ -447,6 +517,7 @@ def main():
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purge_zones={'default': False, 'required': False, 'type': 'bool'},
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security_group_ids={'default': None, 'required': False, 'type': 'list'},
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health_check={'default': None, 'required': False, 'type': 'dict'},
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subnets={'default': None, 'required': False, 'type': 'list'}
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)
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)
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@ -466,15 +537,16 @@ def main():
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purge_zones = module.params['purge_zones']
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security_group_ids = module.params['security_group_ids']
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health_check = module.params['health_check']
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subnets = module.params['subnets']
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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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if state == 'present' and not zones:
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module.fail_json(msg="At least one availability zone is required for ELB creation")
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if state == 'present' and not (zones or subnets):
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module.fail_json(msg="At least one availability zone or subnet is required for ELB creation")
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elb_man = ElbManager(module, name, listeners, purge_listeners, zones,
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purge_zones, security_group_ids, health_check,
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elb_man = ElbManager(module, name, listeners, purge_listeners, zones,
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purge_zones, security_group_ids, health_check, subnets,
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region=region, **aws_connect_params)
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if state == 'present':
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