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216 lines
7.4 KiB
Python
216 lines
7.4 KiB
Python
9 years ago
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#!/usr/bin/python
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# This file is part of Ansible
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#
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# Ansible is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# Ansible is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with Ansible. If not, see <http://www.gnu.org/licenses/>.
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DOCUMENTATION = '''
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---
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module: ecs_taskdefinition
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short_description: register a task definition in ecs
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description:
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- Creates or terminates task definitions
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version_added: "1.9"
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requirements: [ json, boto, botocore, boto3 ]
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options:
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state:
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description:
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- State whether the task definition should exist or be deleted
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required: true
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choices=['present', 'absent']
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arn:
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description:
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- The arn of the task description to delete
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required: false
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family:
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=dict(required=False, type='str' ),
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revision:
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required: False
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type: int
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containers:
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required: False
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type: list of dicts with container definitions
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volumes:
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required: False
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type: list of name
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'''
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EXAMPLES = '''
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- name: "Create task definition"
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ecs_taskdefinition:
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containers:
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- name: simple-app
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cpu: 10
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essential: true
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image: "httpd:2.4"
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memory: 300
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mountPoints:
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- containerPath: /usr/local/apache2/htdocs
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sourceVolume: my-vol
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portMappings:
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- containerPort: 80
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hostPort: 80
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- name: busybox
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command:
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- "/bin/sh -c \"while true; do echo '<html> <head> <title>Amazon ECS Sample App</title> <style>body {margin-top: 40px; background-color: #333;} </style> </head><body> <div style=color:white;text-align:center> <h1>Amazon ECS Sample App</h1> <h2>Congratulations!</h2> <p>Your application is now running on a container in Amazon ECS.</p>' > top; /bin/date > date ; echo '</div></body></html>' > bottom; cat top date bottom > /usr/local/apache2/htdocs/index.html ; sleep 1; done\""
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cpu: 10
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entryPoint:
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- sh
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- "-c"
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essential: false
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image: busybox
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memory: 200
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volumesFrom:
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- sourceContainer: simple-app
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volumes:
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- name: my-vol
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family: test-cluster-taskdef
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state: present
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register: task_output
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'''
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RETURN = '''
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taskdefinition:
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description: a reflection of the input parameters
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type: dict inputs plus revision, status, taskDefinitionArn
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'''
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try:
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import json
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import boto
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import botocore
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HAS_BOTO = True
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except ImportError:
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HAS_BOTO = False
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try:
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import boto3
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HAS_BOTO3 = True
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except ImportError:
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HAS_BOTO3 = False
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class EcsTaskManager:
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"""Handles ECS Tasks"""
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def __init__(self, module):
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self.module = module
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try:
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region, ec2_url, aws_connect_kwargs = get_aws_connection_info(module, boto3=True)
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if not region:
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module.fail_json(msg="Region must be specified as a parameter, in EC2_REGION or AWS_REGION environment variables or in boto configuration file")
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self.ecs = boto3_conn(module, conn_type='client', resource='ecs', region=region, endpoint=ec2_url, **aws_connect_kwargs)
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except boto.exception.NoAuthHandlerFound, e:
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self.module.fail_json(msg=str(e))
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def describe_task(self, task_name):
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try:
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response = self.ecs.describe_task_definition(taskDefinition=task_name)
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return response['taskDefinition']
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except botocore.exceptions.ClientError:
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return None
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def register_task(self, family, container_definitions, volumes):
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response = self.ecs.register_task_definition(family=family,
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containerDefinitions=container_definitions, volumes=volumes)
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return response['taskDefinition']
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def deregister_task(self, taskArn):
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response = self.ecs.deregister_task_definition(taskDefinition=taskArn)
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return response['taskDefinition']
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def main():
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argument_spec = ec2_argument_spec()
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argument_spec.update(dict(
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state=dict(required=True, choices=['present', 'absent'] ),
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arn=dict(required=False, type='str' ),
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family=dict(required=False, type='str' ),
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revision=dict(required=False, type='int' ),
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containers=dict(required=False, type='list' ),
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volumes=dict(required=False, type='list' )
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))
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module = AnsibleModule(argument_spec=argument_spec, supports_check_mode=True)
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if not HAS_BOTO:
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module.fail_json(msg='boto is required.')
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if not HAS_BOTO3:
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module.fail_json(msg='boto3 is required.')
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task_to_describe = None
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# When deregistering a task, we can specify the ARN OR
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# the family and revision.
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if module.params['state'] == 'absent':
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if 'arn' in module.params and module.params['arn'] is not None:
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task_to_describe = module.params['arn']
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elif 'family' in module.params and module.params['family'] is not None and 'revision' in module.params and module.params['revision'] is not None:
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task_to_describe = module.params['family']+":"+str(module.params['revision'])
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else:
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module.fail_json(msg="To use task definitions, an arn or family and revision must be specified")
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# When registering a task, we can specify the ARN OR
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# the family and revision.
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if module.params['state'] == 'present':
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if not 'family' in module.params:
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module.fail_json(msg="To use task definitions, a family must be specified")
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if not 'containers' in module.params:
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module.fail_json(msg="To use task definitions, a list of containers must be specified")
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task_to_describe = module.params['family']
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task_mgr = EcsTaskManager(module)
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existing = task_mgr.describe_task(task_to_describe)
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results = dict(changed=False)
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if module.params['state'] == 'present':
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if existing and 'status' in existing and existing['status']=="ACTIVE":
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results['taskdefinition']=existing
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else:
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if not module.check_mode:
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# doesn't exist. create it.
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volumes = []
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if 'volumes' in module.params:
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volumes = module.params['volumes']
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if volumes is None:
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volumes = []
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results['taskdefinition'] = task_mgr.register_task(module.params['family'],
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module.params['containers'], volumes)
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results['changed'] = True
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# delete the cloudtrai
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elif module.params['state'] == 'absent':
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if not existing:
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pass
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else:
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# it exists, so we should delete it and mark changed.
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# return info about the cluster deleted
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results['taskdefinition'] = existing
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if 'status' in existing and existing['status']=="INACTIVE":
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results['changed'] = False
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else:
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if not module.check_mode:
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task_mgr.deregister_task(task_to_describe)
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results['changed'] = True
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module.exit_json(**results)
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# import module snippets
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from ansible.module_utils.basic import *
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from ansible.module_utils.ec2 import *
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if __name__ == '__main__':
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main()
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