238 lines
7.8 KiB
Python
238 lines
7.8 KiB
Python
#!/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 <http://www.gnu.org/licenses/>.
|
|
|
|
DOCUMENTATION = '''
|
|
---
|
|
module: ecs_cluster
|
|
short_description: create or terminate ecs clusters
|
|
notes:
|
|
- When deleting a cluster, the information returned is the state of the cluster prior to deletion.
|
|
- It will also wait for a cluster to have instances registered to it.
|
|
description:
|
|
- Creates or terminates ecs clusters.
|
|
version_added: "2.0"
|
|
author: Mark Chance(@Java1Guy)
|
|
requirements: [ json, time, boto, boto3 ]
|
|
options:
|
|
state:
|
|
description:
|
|
- The desired state of the cluster
|
|
required: true
|
|
choices: ['present', 'absent', 'has_instances']
|
|
name:
|
|
description:
|
|
- The cluster name
|
|
required: true
|
|
delay:
|
|
description:
|
|
- Number of seconds to wait
|
|
required: false
|
|
repeat:
|
|
description:
|
|
- The number of times to wait for the cluster to have an instance
|
|
required: false
|
|
extends_documentation_fragment:
|
|
- ec2
|
|
'''
|
|
|
|
EXAMPLES = '''
|
|
# Note: These examples do not set authentication details, see the AWS Guide for details.
|
|
|
|
# Cluster creation
|
|
- ecs_cluster:
|
|
name: default
|
|
state: present
|
|
|
|
# Cluster deletion
|
|
- ecs_cluster:
|
|
name: default
|
|
state: absent
|
|
|
|
- name: Wait for register
|
|
ecs_cluster:
|
|
name: "{{ new_cluster }}"
|
|
state: has_instances
|
|
delay: 10
|
|
repeat: 10
|
|
register: task_output
|
|
|
|
'''
|
|
RETURN = '''
|
|
activeServicesCount:
|
|
description: how many services are active in this cluster
|
|
returned: 0 if a new cluster
|
|
type: int
|
|
clusterArn:
|
|
description: the ARN of the cluster just created
|
|
type: string (ARN)
|
|
sample: arn:aws:ecs:us-west-2:172139249013:cluster/test-cluster-mfshcdok
|
|
clusterName:
|
|
description: name of the cluster just created (should match the input argument)
|
|
type: string
|
|
sample: test-cluster-mfshcdok
|
|
pendingTasksCount:
|
|
description: how many tasks are waiting to run in this cluster
|
|
returned: 0 if a new cluster
|
|
type: int
|
|
registeredContainerInstancesCount:
|
|
description: how many container instances are available in this cluster
|
|
returned: 0 if a new cluster
|
|
type: int
|
|
runningTasksCount:
|
|
description: how many tasks are running in this cluster
|
|
returned: 0 if a new cluster
|
|
type: int
|
|
status:
|
|
description: the status of the new cluster
|
|
returned: ACTIVE
|
|
type: string
|
|
'''
|
|
try:
|
|
import json, time
|
|
import boto
|
|
HAS_BOTO = True
|
|
except ImportError:
|
|
HAS_BOTO = False
|
|
|
|
try:
|
|
import boto3
|
|
HAS_BOTO3 = True
|
|
except ImportError:
|
|
HAS_BOTO3 = False
|
|
|
|
class EcsClusterManager:
|
|
"""Handles ECS Clusters"""
|
|
|
|
def __init__(self, module):
|
|
self.module = module
|
|
|
|
try:
|
|
# self.ecs = boto3.client('ecs')
|
|
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:
|
|
self.module.fail_json(msg="Can't authorize connection - "+str(e))
|
|
|
|
def find_in_array(self, array_of_clusters, cluster_name, field_name='clusterArn'):
|
|
for c in array_of_clusters:
|
|
if c[field_name].endswith(cluster_name):
|
|
return c
|
|
return None
|
|
|
|
def describe_cluster(self, cluster_name):
|
|
response = self.ecs.describe_clusters(clusters=[
|
|
cluster_name
|
|
])
|
|
if len(response['failures'])>0:
|
|
c = self.find_in_array(response['failures'], cluster_name, 'arn')
|
|
if c and c['reason']=='MISSING':
|
|
return None
|
|
# fall thru and look through found ones
|
|
if len(response['clusters'])>0:
|
|
c = self.find_in_array(response['clusters'], cluster_name)
|
|
if c:
|
|
return c
|
|
raise StandardError("Unknown problem describing cluster %s." % cluster_name)
|
|
|
|
def create_cluster(self, clusterName = 'default'):
|
|
response = self.ecs.create_cluster(clusterName=clusterName)
|
|
return response['cluster']
|
|
|
|
def delete_cluster(self, clusterName):
|
|
return self.ecs.delete_cluster(cluster=clusterName)
|
|
|
|
def main():
|
|
|
|
argument_spec = ec2_argument_spec()
|
|
argument_spec.update(dict(
|
|
state=dict(required=True, choices=['present', 'absent', 'has_instances'] ),
|
|
name=dict(required=True, type='str' ),
|
|
delay=dict(required=False, type='int', default=10),
|
|
repeat=dict(required=False, type='int', default=10)
|
|
))
|
|
required_together = ( ['state', 'name'] )
|
|
|
|
module = AnsibleModule(argument_spec=argument_spec, supports_check_mode=True, required_together=required_together)
|
|
|
|
if not HAS_BOTO:
|
|
module.fail_json(msg='boto is required.')
|
|
|
|
if not HAS_BOTO3:
|
|
module.fail_json(msg='boto3 is required.')
|
|
|
|
cluster_name = module.params['name']
|
|
|
|
cluster_mgr = EcsClusterManager(module)
|
|
try:
|
|
existing = cluster_mgr.describe_cluster(module.params['name'])
|
|
except Exception, e:
|
|
module.fail_json(msg="Exception describing cluster '"+module.params['name']+"': "+str(e))
|
|
|
|
results = dict(changed=False)
|
|
if module.params['state'] == 'present':
|
|
if existing and 'status' in existing and existing['status']=="ACTIVE":
|
|
results['cluster']=existing
|
|
else:
|
|
if not module.check_mode:
|
|
# doesn't exist. create it.
|
|
results['cluster'] = cluster_mgr.create_cluster(module.params['name'])
|
|
results['changed'] = True
|
|
|
|
# delete the cluster
|
|
elif module.params['state'] == 'absent':
|
|
if not existing:
|
|
pass
|
|
else:
|
|
# it exists, so we should delete it and mark changed.
|
|
# return info about the cluster deleted
|
|
results['cluster'] = existing
|
|
if 'status' in existing and existing['status']=="INACTIVE":
|
|
results['changed'] = False
|
|
else:
|
|
if not module.check_mode:
|
|
cluster_mgr.delete_cluster(module.params['name'])
|
|
results['changed'] = True
|
|
elif module.params['state'] == 'has_instances':
|
|
if not existing:
|
|
module.fail_json(msg="Cluster '"+module.params['name']+" not found.")
|
|
return
|
|
# it exists, so we should delete it and mark changed.
|
|
# return info about the cluster deleted
|
|
delay = module.params['delay']
|
|
repeat = module.params['repeat']
|
|
time.sleep(delay)
|
|
count = 0
|
|
for i in range(repeat):
|
|
existing = cluster_mgr.describe_cluster(module.params['name'])
|
|
count = existing['registeredContainerInstancesCount']
|
|
if count > 0:
|
|
results['changed'] = True
|
|
break
|
|
time.sleep(delay)
|
|
if count == 0 and i is repeat-1:
|
|
module.fail_json(msg="Cluster instance count still zero after "+str(repeat)+" tries of "+str(delay)+" seconds each.")
|
|
return
|
|
|
|
module.exit_json(**results)
|
|
|
|
# import module snippets
|
|
from ansible.module_utils.basic import *
|
|
from ansible.module_utils.ec2 import *
|
|
|
|
if __name__ == '__main__':
|
|
main()
|