ansible/cloud/amazon/redshift.py
2016-09-19 11:38:06 -04:00

497 lines
17 KiB
Python

#!/usr/bin/python
# Copyright 2014 Jens Carl, Hothead Games Inc.
#
# This program 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.
#
# This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
DOCUMENTATION = '''
---
author:
- "Jens Carl (@j-carl), Hothead Games Inc."
module: redshift
version_added: "2.1"
short_description: create, delete, or modify an Amazon Redshift instance
description:
- Creates, deletes, or modifies amazon Redshift cluster instances.
options:
command:
description:
- Specifies the action to take.
required: true
choices: [ 'create', 'facts', 'delete', 'modify' ]
identifier:
description:
- Redshift cluster identifier.
required: true
node_type:
description:
- The node type of the cluster. Must be specified when command=create.
required: false
choices: ['dw1.xlarge', 'dw1.8xlarge', 'dw2.large', 'dw2.8xlarge', ]
username:
description:
- Master database username. Used only when command=create.
required: false
password:
description:
- Master database password. Used only when command=create.
required: false
cluster_type:
description:
- The type of cluster.
required: false
choices: ['multi-node', 'single-node' ]
default: 'single-node'
db_name:
description:
- Name of the database.
required: false
default: null
availability_zone:
description:
- availability zone in which to launch cluster
required: false
aliases: ['zone', 'aws_zone']
number_of_nodes:
description:
- Number of nodes. Only used when cluster_type=multi-node.
required: false
default: null
cluster_subnet_group_name:
description:
- which subnet to place the cluster
required: false
aliases: ['subnet']
cluster_security_groups:
description:
- in which security group the cluster belongs
required: false
default: null
aliases: ['security_groups']
vpc_security_group_ids:
description:
- VPC security group
required: false
aliases: ['vpc_security_groups']
default: null
preferred_maintenance_window:
description:
- maintenance window
required: false
aliases: ['maintance_window', 'maint_window']
default: null
cluster_parameter_group_name:
description:
- name of the cluster parameter group
required: false
aliases: ['param_group_name']
default: null
automated_snapshot_retention_period:
description:
- period when the snapshot take place
required: false
aliases: ['retention_period']
default: null
port:
description:
- which port the cluster is listining
required: false
default: null
cluster_version:
description:
- which version the cluster should have
required: false
aliases: ['version']
choices: ['1.0']
default: null
allow_version_upgrade:
description:
- flag to determinate if upgrade of version is possible
required: false
aliases: ['version_upgrade']
default: null
publicly_accessible:
description:
- if the cluster is accessible publicly or not
required: false
default: null
encrypted:
description:
- if the cluster is encrypted or not
required: false
default: null
elastic_ip:
description:
- if the cluster has an elastic IP or not
required: false
default: null
new_cluster_identifier:
description:
- Only used when command=modify.
required: false
aliases: ['new_identifier']
default: null
wait:
description:
- When command=create, modify or restore then wait for the database to enter the 'available' state. When command=delete wait for the database to be terminated.
required: false
default: "no"
choices: [ "yes", "no" ]
wait_timeout:
description:
- how long before wait gives up, in seconds
default: 300
requirements: [ 'boto' ]
extends_documentation_fragment: aws
'''
EXAMPLES = '''
# Basic cluster provisioning example
- redshift: >
command=create
node_type=dw1.xlarge
identifier=new_cluster
username=cluster_admin
password=1nsecure
'''
RETURN = '''
cluster:
description: dictionary containing all the cluster information
returned: success
type: dictionary
contains:
identifier:
description: Id of the cluster.
returned: success
type: string
sample: "new_redshift_cluster"
create_time:
description: Time of the cluster creation as timestamp.
returned: success
type: float
sample: 1430158536.308
status:
description: Stutus of the cluster.
returned: success
type: string
sample: "available"
db_name:
description: Name of the database.
returned: success
type: string
sample: "new_db_name"
availability_zone:
description: Amazon availability zone where the cluster is located.
returned: success
type: string
sample: "us-east-1b"
maintenance_window:
description: Time frame when maintenance/upgrade are done.
returned: success
type: string
sample: "sun:09:30-sun:10:00"
private_ip_address:
description: Private IP address of the main node.
returned: success
type: string
sample: "10.10.10.10"
public_ip_address:
description: Public IP address of the main node.
returned: success
type: string
sample: "0.0.0.0"
port:
description: Port of the cluster.
returned: success
type: int
sample: 5439
url:
description: FQDN of the main cluster node.
returned: success
type: string
sample: "new-redshift_cluster.jfkdjfdkj.us-east-1.redshift.amazonaws.com"
'''
import time
try:
import boto
from boto import redshift
HAS_BOTO = True
except ImportError:
HAS_BOTO = False
def _collect_facts(resource):
"""Transfrom cluster information to dict."""
facts = {
'identifier' : resource['ClusterIdentifier'],
'create_time' : resource['ClusterCreateTime'],
'status' : resource['ClusterStatus'],
'username' : resource['MasterUsername'],
'db_name' : resource['DBName'],
'availability_zone' : resource['AvailabilityZone'],
'maintenance_window': resource['PreferredMaintenanceWindow'],
}
for node in resource['ClusterNodes']:
if node['NodeRole'] in ('SHARED', 'LEADER'):
facts['private_ip_address'] = node['PrivateIPAddress']
break
return facts
def create_cluster(module, redshift):
"""
Create a new cluster
module: AnsibleModule object
redshift: authenticated redshift connection object
Returns:
"""
identifier = module.params.get('identifier')
node_type = module.params.get('node_type')
username = module.params.get('username')
password = module.params.get('password')
wait = module.params.get('wait')
wait_timeout = module.params.get('wait_timeout')
changed = True
# Package up the optional parameters
params = {}
for p in ('db_name', 'cluster_type', 'cluster_security_groups',
'vpc_security_group_ids', 'cluster_subnet_group_name',
'availability_zone', 'preferred_maintenance_window',
'cluster_parameter_group_name',
'automated_snapshot_retention_period', 'port',
'cluster_version', 'allow_version_upgrade',
'number_of_nodes', 'publicly_accessible',
'encrypted', 'elastic_ip'):
if module.params.get( p ):
params[ p ] = module.params.get( p )
try:
redshift.describe_clusters(identifier)['DescribeClustersResponse']['DescribeClustersResult']['Clusters'][0]
changed = False
except boto.exception.JSONResponseError as e:
try:
redshift.create_cluster(identifier, node_type, username, password, **params)
except boto.exception.JSONResponseError as e:
module.fail_json(msg=str(e))
try:
resource = redshift.describe_clusters(identifier)['DescribeClustersResponse']['DescribeClustersResult']['Clusters'][0]
except boto.exception.JSONResponseError as e:
module.fail_json(msg=str(e))
if wait:
try:
wait_timeout = time.time() + wait_timeout
time.sleep(5)
while wait_timeout > time.time() and resource['ClusterStatus'] != 'available':
time.sleep(5)
if wait_timeout <= time.time():
module.fail_json(msg = "Timeout waiting for resource %s" % resource.id)
resource = redshift.describe_clusters(identifier)['DescribeClustersResponse']['DescribeClustersResult']['Clusters'][0]
except boto.exception.JSONResponseError as e:
module.fail_json(msg=str(e))
return(changed, _collect_facts(resource))
def describe_cluster(module, redshift):
"""
Collect data about the cluster.
module: Ansible module object
redshift: authenticated redshift connection object
"""
identifier = module.params.get('identifier')
try:
resource = redshift.describe_clusters(identifier)['DescribeClustersResponse']['DescribeClustersResult']['Clusters'][0]
except boto.exception.JSONResponseError as e:
module.fail_json(msg=str(e))
return(True, _collect_facts(resource))
def delete_cluster(module, redshift):
"""
Delete a cluster.
module: Ansible module object
redshift: authenticated redshift connection object
"""
identifier = module.params.get('identifier')
wait = module.params.get('wait')
wait_timeout = module.params.get('wait_timeout')
try:
redshift.delete_custer( identifier )
except boto.exception.JSONResponseError as e:
module.fail_json(msg=str(e))
if wait:
try:
wait_timeout = time.time() + wait_timeout
resource = redshift.describe_clusters(identifier)['DescribeClustersResponse']['DescribeClustersResult']['Clusters'][0]
while wait_timeout > time.time() and resource['ClusterStatus'] != 'deleting':
time.sleep(5)
if wait_timeout <= time.time():
module.fail_json(msg = "Timeout waiting for resource %s" % resource.id)
resource = redshift.describe_clusters(identifier)['DescribeClustersResponse']['DescribeClustersResult']['Clusters'][0]
except boto.exception.JSONResponseError as e:
module.fail_json(msg=str(e))
return(True, {})
def modify_cluster(module, redshift):
"""
Modify an existing cluster.
module: Ansible module object
redshift: authenticated redshift connection object
"""
identifier = module.params.get('identifier')
wait = module.params.get('wait')
wait_timeout = module.params.get('wait_timeout')
# Package up the optional parameters
params = {}
for p in ('cluster_type', 'cluster_security_groups',
'vpc_security_group_ids', 'cluster_subnet_group_name',
'availability_zone', 'preferred_maintenance_window',
'cluster_parameter_group_name',
'automated_snapshot_retention_period', 'port', 'cluster_version',
'allow_version_upgrade', 'number_of_nodes', 'new_cluster_identifier'):
if module.params.get(p):
params[p] = module.params.get(p)
try:
redshift.describe_clusters(identifier)['DescribeClustersResponse']['DescribeClustersResult']['Clusters'][0]
changed = False
except boto.exception.JSONResponseError as e:
try:
redshift.modify_cluster(identifier, **params)
except boto.exception.JSONResponseError as e:
module.fail_json(msg=str(e))
try:
resource = redshift.describe_clusters(identifier)['DescribeClustersResponse']['DescribeClustersResult']['Clusters'][0]
except boto.exception.JSONResponseError as e:
module.fail_json(msg=str(e))
if wait:
try:
wait_timeout = time.time() + wait_timeout
time.sleep(5)
while wait_timeout > time.time() and resource['ClusterStatus'] != 'available':
time.sleep(5)
if wait_timeout <= time.time():
module.fail_json(msg = "Timeout waiting for resource %s" % resource.id)
resource = redshift.describe_clusters(identifier)['DescribeClustersResponse']['DescribeClustersResult']['Clusters'][0]
except boto.exception.JSONResponseError as e:
# https://github.com/boto/boto/issues/2776 is fixed.
module.fail_json(msg=str(e))
return(True, _collect_facts(resource))
def main():
argument_spec = ec2_argument_spec()
argument_spec.update(dict(
command = dict(choices=['create', 'facts', 'delete', 'modify'], required=True),
identifier = dict(required=True),
node_type = dict(choices=['dw1.xlarge', 'dw1.8xlarge', 'dw2.large', 'dw2.8xlarge', ], required=False),
username = dict(required=False),
password = dict(no_log=True, required=False),
db_name = dict(require=False),
cluster_type = dict(choices=['multi-node', 'single-node', ], default='single-node'),
cluster_security_groups = dict(aliases=['security_groups'], type='list'),
vpc_security_group_ids = dict(aliases=['vpc_security_groups'], type='list'),
cluster_subnet_group_name = dict(aliases=['subnet']),
availability_zone = dict(aliases=['aws_zone', 'zone']),
preferred_maintenance_window = dict(aliases=['maintance_window', 'maint_window']),
cluster_parameter_group_name = dict(aliases=['param_group_name']),
automated_snapshot_retention_period = dict(aliases=['retention_period']),
port = dict(type='int'),
cluster_version = dict(aliases=['version'], choices=['1.0']),
allow_version_upgrade = dict(aliases=['version_upgrade'], type='bool'),
number_of_nodes = dict(type='int'),
publicly_accessible = dict(type='bool'),
encrypted = dict(type='bool'),
elastic_ip = dict(required=False),
new_cluster_identifier = dict(aliases=['new_identifier']),
wait = dict(type='bool', default=False),
wait_timeout = dict(default=300),
)
)
module = AnsibleModule(
argument_spec=argument_spec,
)
if not HAS_BOTO:
module.fail_json(msg='boto v2.9.0+ required for this module')
command = module.params.get('command')
region, ec2_url, aws_connect_params = get_aws_connection_info(module)
if not region:
module.fail_json(msg=str("region not specified and unable to determine region from EC2_REGION."))
# connect to the rds endpoint
try:
conn = connect_to_aws(boto.redshift, region, **aws_connect_params)
except boto.exception.JSONResponseError as e:
module.fail_json(msg=str(e))
changed = True
if command == 'create':
(changed, cluster) = create_cluster(module, conn)
elif command == 'facts':
(changed, cluster) = describe_cluster(module, conn)
elif command == 'delete':
(changed, cluster) = delete_cluster(module, conn)
elif command == 'modify':
(changed, cluster) = modify_cluster(module, conn)
module.exit_json(changed=changed, cluster=cluster)
# import module snippets
from ansible.module_utils.basic import *
from ansible.module_utils.ec2 import *
if __name__ == '__main__':
main()