650 lines
26 KiB
Python
650 lines
26 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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version_added: "1.3"
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short_description: create, delete, or modify an Amazon rds instance
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description:
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- Creates, deletes, or modifies 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. The 'promote' command requires boto >= 2.18.0.
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options:
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command:
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description:
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- Specifies the action to take.
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required: true
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default: null
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aliases: []
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choices: [ 'create', 'replicate', 'delete', 'facts', 'modify' , 'promote', 'snapshot', 'restore' ]
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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 command=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 command=create.
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required: false
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default: null
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aliases: []
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choices: [ 'MySQL', 'oracle-se1', 'oracle-se', 'oracle-ee', 'sqlserver-ee', 'sqlserver-se', 'sqlserver-ex', 'sqlserver-web', 'postgres']
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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 command=create or command=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 command=create. Optional when command=replicate, command=modify or command=restore. If not specified then the replica inherits the same instance type as the source instance.
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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 command=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 command=create or command=modify.
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required: false
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default: null
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aliases: []
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region:
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description:
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- The AWS region to use. If not specified then the value of the EC2_REGION environment variable, if any, is used.
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required: true
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default: null
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aliases: [ 'aws_region', 'ec2_region' ]
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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 command=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 command=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 command=create or command=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 command=create or command=restore.
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required: false
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default: null
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aliases: []
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choices: [ 'license-included', 'bring-your-own-license', 'general-public-license' ]
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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 command=create or command=modify.
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choices: [ "yes", "no" ]
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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 command=create or command=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 command=create or command=modify.
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required: false
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default: null
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aliases: []
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vpc_security_groups:
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description:
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- Comma separated list of one or more vpc security group ids. Also requires `subnet` to be specified. Used only when command=create or command=modify.
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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. Must be changed to 1521 for Oracle, 1443 for SQL Server, 5432 for PostgreSQL. Used only when command=create or command=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 command=create or command=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 command=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 command=create or command=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 command=create or command=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 command=create or command=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 command=create, command=replicate or command=restore.
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required: false
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default: null
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aliases: ['aws_zone', 'ec2_zone']
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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 command=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 snapshot to take. When command=delete, if no snapshot name is provided then no snapshot is taken. Used only when command=delete or command=snapshot.
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required: false
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default: null
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aliases: []
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aws_secret_key:
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description:
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- AWS secret key. If not set then the value of the AWS_SECRET_KEY environment variable is used.
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required: false
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default: null
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aliases: [ 'ec2_secret_key', 'secret_key' ]
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aws_access_key:
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description:
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- AWS access key. If not set then the value of the AWS_ACCESS_KEY environment variable is used.
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required: false
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default: null
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aliases: [ 'ec2_access_key', 'access_key' ]
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wait:
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description:
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- When command=create, replicate, modify or restore then wait for the database to enter the 'available' state. When command=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 command=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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new_instance_name:
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description:
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- Name to rename an instance to. Used only when command=modify.
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required: false
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default: null
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aliases: []
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version_added: 1.5
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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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- rds: >
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command=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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- rds: >
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command=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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- rds: >
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command=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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- rds: >
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command=facts
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instance_name=new_database
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register: new_database_facts
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# Rename an instance and wait for the change to take effect
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- rds: >
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command=modify
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instance_name=new_database
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new_instance_name=renamed_database
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wait=yes
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'''
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import sys
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import time
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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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def get_current_resource(conn, resource, command):
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# There will be exceptions but we want the calling code to handle them
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if command == 'snapshot':
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return conn.get_all_dbsnapshots(snapshot_id=resource)[0]
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else:
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return conn.get_all_dbinstances(resource)[0]
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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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command = dict(choices=['create', 'replicate', 'delete', 'facts', 'modify', 'promote', 'snapshot', 'restore'], 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', 'postgres'], required=False),
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size = dict(required=False),
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instance_type = dict(aliases=['type'], 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(type='bool', default=False),
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iops = dict(required=False),
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security_groups = dict(required=False),
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vpc_security_groups = dict(type='list', required=False),
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port = dict(required=False),
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upgrade = dict(type='bool', 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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zone = dict(aliases=['aws_zone', 'ec2_zone'], required=False),
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subnet = dict(required=False),
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wait = dict(type='bool', 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(type='bool', default=False),
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new_instance_name = dict(required=False),
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)
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)
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module = AnsibleModule(
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argument_spec=argument_spec,
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)
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command = module.params.get('command')
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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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vpc_security_groups = module.params.get('vpc_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('backup_retention')
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region = module.params.get('region')
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zone = module.params.get('zone')
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aws_secret_key = module.params.get('aws_secret_key')
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aws_access_key = module.params.get('aws_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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new_instance_name = module.params.get('new_instance_name')
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ec2_url, aws_access_key, aws_secret_key, region = get_ec2_creds(module)
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if not region:
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module.fail_json(msg = str("region not specified and unable to determine region from EC2_REGION."))
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# connect to the rds endpoint
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try:
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conn = boto.rds.connect_to_region(region, aws_access_key_id=aws_access_key, aws_secret_access_key=aws_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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def invalid_security_group_type(subnet):
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if subnet:
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return 'security_groups'
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else:
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return 'vpc_security_groups'
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# Package up the optional parameters
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params = {}
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# Validate parameters for each command
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if command == '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', 'new_instance_name' ] + [invalid_security_group_type(subnet)]
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elif command == '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', 'vpc_security_groups', 'security_groups', 'option_group', 'maint_window', 'backup_window', 'backup_retention', 'subnet', 'snapshot', 'apply_immediately', 'new_instance_name' ]
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elif command == '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', 'vpc_security_groups' ,'security_groups', 'option_group', 'maint_window', 'backup_window', 'backup_retention', 'port', 'upgrade', 'subnet', 'zone' , 'source_instance', 'apply_immediately', 'new_instance_name' ]
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elif command == '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', 'vpc_security_groups', 'security_groups', 'option_group', 'maint_window', 'backup_window', 'backup_retention', 'port', 'upgrade', 'subnet', 'zone', 'wait', 'source_instance' 'apply_immediately', 'new_instance_name' ]
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elif command == 'modify':
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required_vars = [ 'instance_name' ]
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if password:
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params["master_password"] = password
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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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elif command == 'promote':
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required_vars = [ 'instance_name' ]
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invalid_vars = [ 'db_engine', 'size', 'username', 'password', 'db_name', 'engine_version', 'parameter_group', 'license_model', 'multi_zone', 'iops', 'vpc_security_groups', 'security_groups', 'option_group', 'maint_window', 'subnet', 'source_instance', 'snapshot', 'apply_immediately', 'new_instance_name' ]
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elif command == 'snapshot':
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required_vars = [ 'instance_name', 'snapshot']
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invalid_vars = [ 'db_engine', 'size', 'username', 'password', 'db_name', 'engine_version', 'parameter_group', 'license_model', 'multi_zone', 'iops', 'vpc_security_groups', 'security_groups', 'option_group', 'maint_window', 'subnet', 'source_instance', 'apply_immediately', 'new_instance_name' ]
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elif command == 'restore':
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required_vars = [ 'instance_name', 'snapshot', 'instance_type' ]
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invalid_vars = [ 'db_engine', 'db_name', 'username', 'password', 'engine_version', 'option_group', 'source_instance', 'apply_immediately', 'new_instance_name', 'vpc_security_groups', 'security_groups' ]
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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("Parameter %s required for %s command" % (v, command)))
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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("Parameter %s invalid for %s command" % (v, command)))
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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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if vpc_security_groups:
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groups_list = []
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for x in vpc_security_groups:
|
|
groups_list.append(boto.rds.VPCSecurityGroupMembership(vpc_group=x))
|
|
params["vpc_security_groups"] = groups_list
|
|
|
|
if new_instance_name:
|
|
params["new_instance_id"] = new_instance_name
|
|
|
|
changed = True
|
|
|
|
if command in ['create', 'restore', 'facts']:
|
|
try:
|
|
result = conn.get_all_dbinstances(instance_name)[0]
|
|
changed = False
|
|
except boto.exception.BotoServerError, e:
|
|
try:
|
|
if command == 'create':
|
|
result = conn.create_dbinstance(instance_name, size, instance_type, username, password, **params)
|
|
if command == 'restore':
|
|
result = conn.restore_dbinstance_from_dbsnapshot(snapshot, instance_name, instance_type, **params)
|
|
if command == 'facts':
|
|
module.fail_json(msg = "DB Instance %s does not exist" % instance_name)
|
|
except boto.exception.BotoServerError, e:
|
|
module.fail_json(msg = e.error_message)
|
|
|
|
if command == 'snapshot':
|
|
try:
|
|
result = conn.get_all_dbsnapshots(snapshot)[0]
|
|
changed = False
|
|
except boto.exception.BotoServerError, e:
|
|
try:
|
|
result = conn.create_dbsnapshot(snapshot, instance_name)
|
|
except boto.exception.BotoServerError, e:
|
|
module.fail_json(msg = e.error_message)
|
|
|
|
if command == 'delete':
|
|
try:
|
|
result = conn.get_all_dbinstances(instance_name)[0]
|
|
if result.status == 'deleting':
|
|
module.exit_json(changed=False)
|
|
except boto.exception.BotoServerError, e:
|
|
module.exit_json(changed=False)
|
|
try:
|
|
if snapshot:
|
|
params["skip_final_snapshot"] = False
|
|
params["final_snapshot_id"] = snapshot
|
|
else:
|
|
params["skip_final_snapshot"] = True
|
|
result = conn.delete_dbinstance(instance_name, **params)
|
|
except boto.exception.BotoServerError, e:
|
|
module.fail_json(msg = e.error_message)
|
|
|
|
if command == 'replicate':
|
|
try:
|
|
if instance_type:
|
|
params["instance_class"] = instance_type
|
|
result = conn.create_dbinstance_read_replica(instance_name, source_instance, **params)
|
|
except boto.exception.BotoServerError, e:
|
|
module.fail_json(msg = e.error_message)
|
|
|
|
if command == 'modify':
|
|
try:
|
|
params["apply_immediately"] = apply_immediately
|
|
result = conn.modify_dbinstance(instance_name, **params)
|
|
except boto.exception.BotoServerError, e:
|
|
module.fail_json(msg = e.error_message)
|
|
if apply_immediately:
|
|
if new_instance_name:
|
|
# Wait until the new instance name is valid
|
|
found = 0
|
|
while found == 0:
|
|
instances = conn.get_all_dbinstances()
|
|
for i in instances:
|
|
if i.id == new_instance_name:
|
|
instance_name = new_instance_name
|
|
found = 1
|
|
if found == 0:
|
|
time.sleep(5)
|
|
|
|
# The name of the database has now changed, so we have
|
|
# to force result to contain the new instance, otherwise
|
|
# the call below to get_current_resource will fail since it
|
|
# will be looking for the old instance name.
|
|
result.id = new_instance_name
|
|
else:
|
|
# Wait for a few seconds since it takes a while for AWS
|
|
# to change the instance from 'available' to 'modifying'
|
|
time.sleep(5)
|
|
|
|
if command == 'promote':
|
|
try:
|
|
result = conn.promote_read_replica(instance_name, **params)
|
|
except boto.exception.BotoServerError, e:
|
|
module.fail_json(msg = e.error_message)
|
|
|
|
# If we're not waiting for a delete to complete then we're all done
|
|
# so just return
|
|
if command == 'delete' and not wait:
|
|
module.exit_json(changed=True)
|
|
|
|
try:
|
|
resource = get_current_resource(conn, result.id, command)
|
|
except boto.exception.BotoServerError, e:
|
|
module.fail_json(msg = e.error_message)
|
|
|
|
# Wait for the resource to be available if requested
|
|
if wait:
|
|
try:
|
|
wait_timeout = time.time() + wait_timeout
|
|
time.sleep(5)
|
|
|
|
while wait_timeout > time.time() and resource.status != 'available':
|
|
time.sleep(5)
|
|
if wait_timeout <= time.time():
|
|
module.fail_json(msg = "Timeout waiting for resource %s" % resource.id)
|
|
resource = get_current_resource(conn, result.id, command)
|
|
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 command == '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
|
|
if command == 'snapshot':
|
|
d = {
|
|
'id' : resource.id,
|
|
'create_time' : resource.snapshot_create_time,
|
|
'status' : resource.status,
|
|
'availability_zone' : resource.availability_zone,
|
|
'instance_id' : resource.instance_id,
|
|
'instance_created' : resource.instance_create_time,
|
|
}
|
|
try:
|
|
d["snapshot_type"] = resource.snapshot_type
|
|
d["iops"] = resource.iops
|
|
except AttributeError, e:
|
|
pass # needs boto >= 2.21.0
|
|
|
|
return module.exit_json(changed=changed, snapshot=d)
|
|
|
|
d = {
|
|
'id' : resource.id,
|
|
'create_time' : resource.create_time,
|
|
'status' : resource.status,
|
|
'availability_zone' : resource.availability_zone,
|
|
'backup_retention' : resource.backup_retention_period,
|
|
'backup_window' : resource.preferred_backup_window,
|
|
'maintenance_window' : resource.preferred_maintenance_window,
|
|
'multi_zone' : resource.multi_az,
|
|
'instance_type' : resource.instance_class,
|
|
'username' : resource.master_username,
|
|
'iops' : resource.iops
|
|
}
|
|
|
|
# Endpoint exists only if the instance is available
|
|
if resource.status == 'available' and command != 'snapshot':
|
|
d["endpoint"] = resource.endpoint[0]
|
|
d["port"] = resource.endpoint[1]
|
|
if resource.vpc_security_groups is not None:
|
|
d["vpc_security_groups"] = ','.join(x.vpc_group for x in resource.vpc_security_groups)
|
|
else:
|
|
d["vpc_security_groups"] = None
|
|
else:
|
|
d["endpoint"] = None
|
|
d["port"] = None
|
|
d["vpc_security_groups"] = None
|
|
|
|
# ReadReplicaSourceDBInstanceIdentifier may or may not exist
|
|
try:
|
|
d["replication_source"] = resource.ReadReplicaSourceDBInstanceIdentifier
|
|
except Exception, e:
|
|
d["replication_source"] = None
|
|
|
|
module.exit_json(changed=changed, instance=d)
|
|
|
|
# import module snippets
|
|
from ansible.module_utils.basic import *
|
|
from ansible.module_utils.ec2 import *
|
|
|
|
main()
|