#!/usr/bin/python # This file is part of Ansible # # Ansible is free software: you can redistribute it and/or modify # it under the terms of the GNU General Public License as published by # the Free Software Foundation, either version 3 of the License, or # (at your option) any later version. # # Ansible is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU General Public License for more details. # # You should have received a copy of the GNU General Public License # along with Ansible. If not, see . DOCUMENTATION = ''' --- module: ecs_task short_description: run, start or stop a task in ecs description: - Creates or deletes instances of task definitions. version_added: "2.0" author: Mark Chance(@Java1Guy) options: operation: description: - Which task operation to execute required: True choices: ['run', 'start', 'stop'] cluster: description: - The name of the cluster to run the task on required: False task_definition: description: - The task definition to start or run required: False overrides: description: - A dictionary of values to pass to the new instances required: False count: description: - How many new instances to start required: False task: description: - The task to stop required: False container_instances: description: - The list of container instances on which to deploy the task required: False started_by: description: - A value showing who or what started the task (for informational purposes) required: False extends_documentation_fragment: - ec2 ''' EXAMPLES = ''' # Simple example of run task - name: Run task ecs_task: operation: run cluster: console-sample-app-static-cluster task_definition: console-sample-app-static-taskdef count: 1 started_by: ansible_user register: task_output # Simple example of start task - name: Start a task ecs_task: operation: start cluster: console-sample-app-static-cluster task_definition: console-sample-app-static-taskdef task: "arn:aws:ecs:us-west-2:172139249013:task/3f8353d1-29a8-4689-bbf6-ad79937ffe8a" container_instances: - arn:aws:ecs:us-west-2:172139249013:container-instance/79c23f22-876c-438a-bddf-55c98a3538a8 started_by: ansible_user register: task_output - name: Stop a task ecs_task: operation: stop cluster: console-sample-app-static-cluster task_definition: console-sample-app-static-taskdef task: "arn:aws:ecs:us-west-2:172139249013:task/3f8353d1-29a8-4689-bbf6-ad79937ffe8a" ''' RETURN = ''' task: description: details about the tast that was started type: complex sample: "TODO: include sample" ''' try: import boto import botocore HAS_BOTO = True except ImportError: HAS_BOTO = False try: import boto3 HAS_BOTO3 = True except ImportError: HAS_BOTO3 = False class EcsExecManager: """Handles ECS Tasks""" def __init__(self, module): self.module = module try: region, ec2_url, aws_connect_kwargs = get_aws_connection_info(module, boto3=True) if not region: module.fail_json(msg="Region must be specified as a parameter, in EC2_REGION or AWS_REGION environment variables or in boto configuration file") self.ecs = boto3_conn(module, conn_type='client', resource='ecs', region=region, endpoint=ec2_url, **aws_connect_kwargs) except boto.exception.NoAuthHandlerFound, e: module.fail_json(msg="Can't authorize connection - "+str(e)) def list_tasks(self, cluster_name, service_name, status): response = self.ecs.list_tasks( cluster=cluster_name, family=service_name, desiredStatus=status ) if len(response['taskArns'])>0: for c in response['taskArns']: if c.endswith(service_name): return c return None def run_task(self, cluster, task_definition, overrides, count, startedBy): if overrides is None: overrides = dict() response = self.ecs.run_task( cluster=cluster, taskDefinition=task_definition, overrides=overrides, count=count, startedBy=startedBy) # include tasks and failures return response['tasks'] def start_task(self, cluster, task_definition, overrides, container_instances, startedBy): args = dict() if cluster: args['cluster'] = cluster if task_definition: args['taskDefinition']=task_definition if overrides: args['overrides']=overrides if container_instances: args['containerInstances']=container_instances if startedBy: args['startedBy']=startedBy response = self.ecs.start_task(**args) # include tasks and failures return response['tasks'] def stop_task(self, cluster, task): response = self.ecs.stop_task(cluster=cluster, task=task) return response['task'] def main(): argument_spec = ec2_argument_spec() argument_spec.update(dict( operation=dict(required=True, choices=['run', 'start', 'stop'] ), cluster=dict(required=False, type='str' ), # R S P task_definition=dict(required=False, type='str' ), # R* S* overrides=dict(required=False, type='dict'), # R S count=dict(required=False, type='int' ), # R task=dict(required=False, type='str' ), # P* container_instances=dict(required=False, type='list'), # S* started_by=dict(required=False, type='str' ) # R S )) module = AnsibleModule(argument_spec=argument_spec, supports_check_mode=True) # Validate Requirements if not HAS_BOTO: module.fail_json(msg='boto is required.') if not HAS_BOTO3: module.fail_json(msg='boto3 is required.') # Validate Inputs if module.params['operation'] == 'run': if not 'task_definition' in module.params and module.params['task_definition'] is None: module.fail_json(msg="To run a task, a task_definition must be specified") task_to_list = module.params['task_definition'] status_type = "RUNNING" if module.params['operation'] == 'start': if not 'task_definition' in module.params and module.params['task_definition'] is None: module.fail_json(msg="To start a task, a task_definition must be specified") if not 'container_instances' in module.params and module.params['container_instances'] is None: module.fail_json(msg="To start a task, container instances must be specified") task_to_list = module.params['task'] status_type = "RUNNING" if module.params['operation'] == 'stop': if not 'task' in module.params and module.params['task'] is None: module.fail_json(msg="To stop a task, a task must be specified") if not 'task_definition' in module.params and module.params['task_definition'] is None: module.fail_json(msg="To stop a task, a task definition must be specified") task_to_list = module.params['task_definition'] status_type = "STOPPED" service_mgr = EcsExecManager(module) existing = service_mgr.list_tasks(module.params['cluster'], task_to_list, status_type) results = dict(changed=False) if module.params['operation'] == 'run': if existing: # TBD - validate the rest of the details results['task']=existing else: if not module.check_mode: results['task'] = service_mgr.run_task( module.params['cluster'], module.params['task_definition'], module.params['overrides'], module.params['count'], module.params['started_by']) results['changed'] = True elif module.params['operation'] == 'start': if existing: # TBD - validate the rest of the details results['task']=existing else: if not module.check_mode: results['task'] = service_mgr.start_task( module.params['cluster'], module.params['task_definition'], module.params['overrides'], module.params['container_instances'], module.params['started_by'] ) results['changed'] = True elif module.params['operation'] == 'stop': if existing: results['task']=existing else: if not module.check_mode: # it exists, so we should delete it and mark changed. # return info about the cluster deleted results['task'] = service_mgr.stop_task( module.params['cluster'], module.params['task'] ) results['changed'] = True module.exit_json(**results) # import module snippets from ansible.module_utils.basic import * from ansible.module_utils.ec2 import * if __name__ == '__main__': main()