509 lines
20 KiB
Python
509 lines
20 KiB
Python
#!/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: rds
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short_description: create or delete an Amazon rds instance
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description:
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- Creates or deletes rds instances. When creating an instance it can be either a new instance or a read-only replica of an existing instance. This module has a dependency on python-boto >= 2.5.
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options:
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action:
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description:
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- Specifies the action to take. Must be one of: create | replicate | delete | facts | modify
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required: true
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default: null
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aliases: []
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instance_name:
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description:
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- Database instance identifier.
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required: true
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default: null
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aliases: []
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source_instance:
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description:
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- Name of the database to replicate. Used only when action=replicate.
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required: false
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default: null
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aliases: []
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db_engine:
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description:
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- The type of database. Used only when action=create. Must be one of: MySQL | oracle-se1 | oracle-se | oracle-ee | sqlserver-ee | sqlserver-se | sqlserver-ex | sqlserver-web
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required: false
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default: null
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aliases: []
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size:
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description:
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- Size in gigabytes of the initial storage for the DB instance. Used only when action=create or action=modify.
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required: false
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default: null
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aliases: []
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instance_type:
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description:
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- The instance type of the database. Must be specified when action=create. Optional when action=replicate or action=modify. If not specified then the replica inherits the same instance type as the source instance. Must be one of: db.t1.micro | db.m1.small | db.m1.medium | db.m1.large | db.m1.xlarge | db.m2.xlarge | db.m2.2xlarge | db.m2.4xlarge
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required: false
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default: null
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aliases: []
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username:
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description:
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- Master database username. Used only when action=create.
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required: false
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default: null
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aliases: []
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password:
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description:
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- Password for the master database username. Used only when action=create or action=modify.
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required: false
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default: null
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aliases: []
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ec2_region:
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description:
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- the EC2 region to use. If not specified then the EC2_REGION environment variable is used. If neither exist then the AWS is queried for the region that the host invoking the module is located in.
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required: true
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default: null
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aliases: []
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db_name:
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description:
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- Name of a database to create within the instance. If not specified then no database is created. Used only when action=create.
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required: false
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default: null
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aliases: []
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engine_version:
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description:
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- Version number of the database engine to use. Used only when action=create. If not specified then the current Amazon RDS default engine version is used.
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required: false
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default: null
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aliases: []
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parameter_group:
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description:
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- Name of the DB parameter group to associate with this instance. If omitted then the RDS default DBParameterGroup will be used. Used only when action=create or action=modify.
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required: false
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default: null
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aliases: []
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license_model:
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description:
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- The license model for this DB instance. Used only when action=create. Must be one of: license-included | bring-your-own-license | general-public-license
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required: false
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default: null
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aliases: []
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multi_zone:
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description:
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- Specifies if this is a Multi-availability-zone deployment. Can not be used in conjunction with zone parameter. Used only when action=create or action=modify. Valid values: true | false
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required: false
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default: null
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aliases: []
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iops:
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description:
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- Specifies the number of IOPS for the instance. Used only when action=create or action=modify. Must be an integer greater than 1000.
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required: false
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default: null
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aliases: []
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security_groups:
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description:
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- Comma separated list of one or more security groups. Used only when action=create or action=modify. If a subnet is specified then this is treated as a list of VPC security groups.
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required: false
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default: null
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aliases: []
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port:
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description:
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- Port number that the DB instance uses for connections. Defaults to 3306 for mysql, 1521 for Oracle, 1443 for SQL Server. Used only when action=create or action=replicate.
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required: false
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default: null
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aliases: []
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upgrade:
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description:
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- Indicates that minor version upgrades should be applied automatically. Used only when action=create or action=replicate.
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required: false
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default: no
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choices: [ "yes", "no" ]
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aliases: []
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option_group:
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description:
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- The name of the option group to use. If not specified then the default option group is used. Used only when action=create.
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required: false
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default: null
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aliases: []
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maint_window:
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description:
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- Maintenance window in format of ddd:hh24:mi-ddd:hh24:mi. (Example: Mon:22:00-Mon:23:15) If not specified then a random maintenance window is assigned. Used only when action=create or action=modify.
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required: false
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default: null
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aliases: []
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backup_window:
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description:
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- Backup window in format of hh24:mi-hh24:mi. If not specified then a random backup window is assigned. Used only when action=create or action=modify.
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required: false
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default: null
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aliases: []
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backup_retention:
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description:
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- Number of days backups are retained. Set to 0 to disable backups. Default is 1 day. Valid range: 0-35. Used only when action=create or action=modify.
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required: false
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default: null
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aliases: []
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zone:
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description:
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- availability zone in which to launch the instance. Used only when action=create or action=replicate.
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required: false
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default: null
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aliases: []
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subnet:
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description:
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- VPC subnet group. If specified then a VPC instance is created. Used only when action=create.
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required: false
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default: null
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aliases: []
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snapshot:
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description:
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- Name of final snapshot to take when deleting an instance. If no snapshot name is provided then no snapshot is taken. Used only when action=delete.
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required: false
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default: null
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aliases: []
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ec2_secret_key:
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description:
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- EC2 secret key. If not specified then the EC2_SECRET_KEY environment variable is used.
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required: false
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default: null
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aliases: []
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ec2_access_key:
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description:
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- EC2 access key. If not specified then the EC2_ACCESS_KEY environment variable is used.
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required: false
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default: null
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aliases: []
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wait:
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description:
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- When action=create, replicate, or modify then wait for the database to enter the 'available' state. When action=delete wait for the database to be terminated.
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required: false
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default: "no"
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choices: [ "yes", "no" ]
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aliases: []
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wait_timeout:
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description:
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- how long before wait gives up, in seconds
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default: 300
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aliases: []
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apply_immediately:
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description:
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- Used only when action=modify. If enabled, the modifications will be applied as soon as possible rather than waiting for the next preferred maintenance window.
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default: no
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choices: [ "yes", "no" ]
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aliases: []
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requirements: [ "boto" ]
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author: Bruce Pennypacker
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'''
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EXAMPLES = '''
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# Basic mysql provisioning example
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action: rds
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action=create
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instance_name=new_database
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db_engine=MySQL
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size=10
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instance_type=db.m1.small
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username=mysql_admin
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password=1nsecure
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# Create a read-only replica and wait for it to become available
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action: rds
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action=replicate
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instance_name=new_database_replica
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source_instance=new_database
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wait=yes
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wait_timeout=600
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# Delete an instance, but create a snapshot before doing so
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action: rds
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action=delete
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instance_name=new_database
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snapshot=new_database_snapshot
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# Get facts about an instance
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action: rds
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action=facts
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instance_name=new_database
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register: new_database_facts
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'''
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import sys
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import time
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AWS_REGIONS = ['ap-northeast-1',
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'ap-southeast-1',
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'ap-southeast-2',
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'eu-west-1',
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'sa-east-1',
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'us-east-1',
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'us-west-1',
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'us-west-2']
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try:
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import boto.rds
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except ImportError:
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print "failed=True msg='boto required for this module'"
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sys.exit(1)
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try:
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import urllib2
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except ImportError:
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print "failed=True msg='urllib2 required for this module'"
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sys.exit(1)
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def main():
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module = AnsibleModule(
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argument_spec = dict(
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action = dict(choices=['create', 'replicate', 'delete', 'facts', 'modify'], required=True),
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instance_name = dict(required=True),
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source_instance = dict(required=False),
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db_engine = dict(choices=['MySQL', 'oracle-se1', 'oracle-se', 'oracle-ee', 'sqlserver-ee', 'sqlserver-se', 'sqlserver-ex', 'sqlserver-web'], required=False),
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size = dict(required=False),
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instance_type = dict(aliases=['type'], choices=['db.t1.micro', 'db.m1.small', 'db.m1.medium', 'db.m1.large', 'db.m1.xlarge', 'db.m2.xlarge', 'db.m2.2xlarge', 'db.m2.4xlarge'], required=False),
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username = dict(required=False),
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password = dict(no_log=True, required=False),
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db_name = dict(required=False),
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engine_version = dict(required=False),
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parameter_group = dict(required=False),
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license_model = dict(choices=['license-included', 'bring-your-own-license', 'general-public-license'], required=False),
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multi_zone = dict(choices=BOOLEANS, default=False),
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iops = dict(required=False),
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security_groups = dict(required=False),
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port = dict(required=False),
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upgrade = dict(choices=BOOLEANS, default=False),
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option_group = dict(required=False),
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maint_window = dict(required=False),
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backup_window = dict(required=False),
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backup_retention = dict(required=False),
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ec2_region = dict(aliases=['EC2_REGION'], choices=AWS_REGIONS, required=False),
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zone = dict(required=False),
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subnet = dict(required=False),
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ec2_secret_key = dict(aliases=['EC2_SECRET_KEY'], no_log=True, required=False),
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ec2_access_key = dict(aliases=['EC2_ACCESS_KEY'], required=False),
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wait = dict(choices=BOOLEANS, default=False),
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wait_timeout = dict(default=300),
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snapshot = dict(required=False),
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apply_immediately = dict(choices=BOOLEANS, default=False),
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)
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)
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action = module.params.get('action')
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instance_name = module.params.get('instance_name');
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source_instance = module.params.get('source_instance');
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db_engine = module.params.get('db_engine');
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size = module.params.get('size');
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instance_type = module.params.get('instance_type');
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username = module.params.get('username');
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password = module.params.get('password');
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db_name = module.params.get('db_name');
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engine_version = module.params.get('engine_version');
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parameter_group = module.params.get('parameter_group');
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license_model = module.params.get('license_model');
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multi_zone = module.params.get('multi_zone');
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iops = module.params.get('iops');
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security_groups = module.params.get('security_groups');
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port = module.params.get('port');
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upgrade = module.params.get('upgrade');
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option_group = module.params.get('option_group');
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maint_window = module.params.get('maint_window');
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subnet = module.params.get('subnet');
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backup_window = module.params.get('backup_window');
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backup_retention = module.params.get('module_retention');
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ec2_region = module.params.get('ec2_region')
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zone = module.params.get('zone')
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ec2_secret_key = module.params.get('ec2_secret_key')
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ec2_access_key = module.params.get('ec2_access_key')
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wait = module.params.get('wait')
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wait_timeout = int(module.params.get('wait_timeout'))
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snapshot = module.params.get('snapshot')
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apply_immediately = module.params.get('apply_immediately')
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# allow environment variables to be used if ansible vars aren't set
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if not ec2_secret_key and 'EC2_SECRET_KEY' in os.environ:
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ec2_secret_key = os.environ['EC2_SECRET_KEY']
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if not ec2_access_key and 'EC2_ACCESS_KEY' in os.environ:
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ec2_access_key = os.environ['EC2_ACCESS_KEY']
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if not ec2_region and 'EC2_REGION' in os.environ:
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ec2_region = os.environ['EC2_REGION']
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# If region isn't set either as a param or environ variable then
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# look up the current region via the AWS URL
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if not ec2_region:
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response = urllib2.urlopen('http://169.254.169.254/latest/meta-data/placement/availability-zone')
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az = response.read()
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for r in AWS_REGIONS:
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if az.startswith(r):
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ec2_region = r
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break
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if not ec2_region:
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module.fail_json(msg = str("ec2_region not specified and unable to determine region from AWS."))
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# connect to the rds endpoint
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try:
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conn = boto.rds.connect_to_region(ec2_region, aws_access_key_id=ec2_access_key, aws_secret_access_key=ec2_secret_key)
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except boto.exception.BotoServerError, e:
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module.fail_json(msg = e.error_message)
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# Validate parameters for each action
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if action == 'create':
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required_vars = [ 'instance_name', 'db_engine', 'size', 'instance_type', 'username', 'password' ]
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invalid_vars = [ 'source_instance', 'snapshot', 'apply_immediately' ]
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elif action == 'replicate':
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required_vars = [ 'instance_name', 'source_instance' ]
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invalid_vars = [ 'db_engine', 'size', 'username', 'password', 'db_name', 'engine_version', 'parameter_group', 'license_model', 'multi_zone', 'iops', 'security_groups', 'option_group', 'maint_window', 'backup_window', 'backup_retention', 'subnet', 'snapshot', 'apply_immediately' ]
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elif action == 'delete':
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required_vars = [ 'instance_name' ]
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invalid_vars = [ 'db_engine', 'size', 'instance_type', 'username', 'password', 'db_name', 'engine_version', 'parameter_group', 'license_model', 'multi_zone', 'iops', 'security_groups', 'option_group', 'maint_window', 'backup_window', 'backup_retention', 'port', 'upgrade', 'subnet', 'zone' , 'source_instance', 'apply_immediately' ]
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elif action == 'facts':
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required_vars = [ 'instance_name' ]
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invalid_vars = [ 'db_engine', 'size', 'instance_type', 'username', 'password', 'db_name', 'engine_version', 'parameter_group', 'license_model', 'multi_zone', 'iops', 'security_groups', 'option_group', 'maint_window', 'backup_window', 'backup_retention', 'port', 'upgrade', 'subnet', 'zone', 'wait', 'source_instance' 'apply_immediately' ]
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elif action == 'modify':
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required_vars = [ 'instance_name' ]
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invalid_vars = [ 'db_engine', 'username', 'db_name', 'engine_version', 'license_model', 'option_group', 'port', 'upgrade', 'subnet', 'zone', 'source_instance' ]
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for v in required_vars:
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if not module.params.get(v):
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module.fail_json(msg = str("Variable %s required for %s action" % (v, action)))
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for v in invalid_vars:
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if module.params.get(v):
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module.fail_json(msg = str("Variable %s invalid for %s action" % (v, action)))
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# Package up the optional parameters
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params = {}
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if db_engine:
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params["engine"] = db_engine
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if port:
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params["port"] = port
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if db_name:
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params["db_name"] = db_name
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if parameter_group:
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params["param_group"] = parameter_group
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if zone:
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params["availability_zone"] = zone
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if maint_window:
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params["preferred_maintenance_window"] = maint_window
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if backup_window:
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params["preferred_backup_window"] = backup_window
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if backup_retention:
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params["backup_retention_period"] = backup_retention
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if multi_zone:
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params["multi_az"] = multi_zone
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if engine_version:
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params["engine_version"] = engine_version
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if upgrade:
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params["auto_minor_version_upgrade"] = upgrade
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if subnet:
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params["db_subnet_group_name"] = subnet
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if license_model:
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params["license_model"] = license_model
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if option_group:
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params["option_group_name"] = option_group
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if iops:
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params["iops"] = iops
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if security_groups:
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params["security_groups"] = security_groups.split(',')
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try:
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if action == 'create':
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db = conn.create_dbinstance(instance_name, size, instance_type, username, password, **params)
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elif action == 'replicate':
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if instance_type:
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params["instance_class"] = instance_type
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db = conn.create_dbinstance_read_replica(instance_name, source_instance, **params)
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elif action == 'delete':
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if snapshot:
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params["skip_final_snapshot"] = False
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params["final_snapshot_id"] = snapshot
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else:
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params["skip_final_snapshot"] = True
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db = conn.delete_dbinstance(instance_name, **params)
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elif action == 'modify':
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params["apply_immediately"] = apply_immediately
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db = conn.modify_dbinstance(instance_name, **params)
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# Don't do anything for the 'facts' action since we'll just drop down
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# to get_all_dbinstances below to collect the facts
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except boto.exception.BotoServerError, e:
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module.fail_json(msg = e.error_message)
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# If we're not waiting for a delete to complete then we're all done
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# so just return
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if action == 'delete' and not wait:
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module.exit_json(changed=True)
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instances = conn.get_all_dbinstances(instance_name)
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my_inst = instances[0]
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# Wait for the instance to be available if requested
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if wait:
|
|
try:
|
|
wait_timeout = time.time() + wait_timeout
|
|
time.sleep(5)
|
|
|
|
while wait_timeout > time.time() and my_inst.status != 'available':
|
|
time.sleep(5)
|
|
if wait_timeout <= time.time():
|
|
module.fail_json(msg = "Timeout waiting for database instance %s" % instance_name)
|
|
instances = conn.get_all_dbinstances(instance_name)
|
|
my_inst = instances[0]
|
|
except boto.exception.BotoServerError, e:
|
|
# If we're waiting for an instance to be deleted then
|
|
# get_all_dbinstances will eventually throw a
|
|
# DBInstanceNotFound error.
|
|
if action == 'delete' and e.error_code == 'DBInstanceNotFound':
|
|
module.exit_json(changed=True)
|
|
else:
|
|
module.fail_json(msg = e.error_message)
|
|
|
|
# If we got here then pack up all the instance details to send
|
|
# back to ansible
|
|
d = {
|
|
'id': my_inst.id,
|
|
'create_time': my_inst.create_time,
|
|
'status': my_inst.status,
|
|
'endpoint': my_inst.endpoint[0],
|
|
'port': my_inst.endpoint[1],
|
|
'availability_zone': my_inst.availability_zone,
|
|
'backup_retention': my_inst.backup_retention_period,
|
|
'backup_window': my_inst.preferred_backup_window,
|
|
'maintenance_window': my_inst.preferred_maintenance_window,
|
|
}
|
|
|
|
module.exit_json(changed=True, instance=d)
|
|
|
|
# this is magic, see lib/ansible/module_common.py
|
|
#<<INCLUDE_ANSIBLE_MODULE_COMMON>>
|
|
|
|
main()
|