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1384 lines
49 KiB
Python
1384 lines
49 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: ec2
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short_description: create, terminate, start or stop an instance in ec2
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description:
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- Creates or terminates ec2 instances.
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version_added: "0.9"
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options:
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key_name:
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description:
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- key pair to use on the instance
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required: false
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default: null
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aliases: ['keypair']
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group:
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description:
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- security group (or list of groups) to use with the instance
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required: false
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default: null
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aliases: [ 'groups' ]
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group_id:
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version_added: "1.1"
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description:
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- security group id (or list of ids) to use with the instance
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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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version_added: "1.2"
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description:
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- The AWS region to use. Must be specified if ec2_url is not used. If not specified then the value of the EC2_REGION environment variable, if any, is used. See U(http://docs.aws.amazon.com/general/latest/gr/rande.html#ec2_region)
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required: false
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default: null
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aliases: [ 'aws_region', 'ec2_region' ]
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zone:
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version_added: "1.2"
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description:
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- AWS availability zone in which to launch the instance
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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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instance_type:
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description:
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- instance type to use for the instance, see U(http://docs.aws.amazon.com/AWSEC2/latest/UserGuide/instance-types.html)
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required: true
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default: null
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aliases: []
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tenancy:
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version_added: "1.9"
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description:
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- An instance with a tenancy of "dedicated" runs on single-tenant hardware and can only be launched into a VPC. Note that to use dedicated tenancy you MUST specify a vpc_subnet_id as well. Dedicated tenancy is not available for EC2 "micro" instances.
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required: false
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default: default
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choices: [ "default", "dedicated" ]
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aliases: []
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spot_price:
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version_added: "1.5"
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description:
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- Maximum spot price to bid, If not set a regular on-demand instance is requested. A spot request is made with this maximum bid. When it is filled, the instance is started.
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required: false
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default: null
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aliases: []
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spot_type:
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version_added: "2.0"
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description:
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- Type of spot request; one of "one-time" or "persistent". Defaults to "one-time" if not supplied.
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required: false
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default: "one-time"
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choices: [ "one-time", "persistent" ]
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aliases: []
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image:
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description:
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- I(ami) ID to use for the instance
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required: true
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default: null
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aliases: []
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kernel:
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description:
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- kernel I(eki) to use for the instance
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required: false
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default: null
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aliases: []
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ramdisk:
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description:
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- ramdisk I(eri) to use for the instance
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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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- wait for the instance to be 'running' before returning. Does not wait for SSH, see 'wait_for' example for details.
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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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spot_wait_timeout:
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version_added: "1.5"
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description:
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- how long to wait for the spot instance request to be fulfilled
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default: 600
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aliases: []
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count:
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description:
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- number of instances to launch
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required: False
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default: 1
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aliases: []
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monitoring:
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version_added: "1.1"
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description:
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- enable detailed monitoring (CloudWatch) for instance
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required: false
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default: null
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choices: [ "yes", "no" ]
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aliases: []
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user_data:
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version_added: "0.9"
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description:
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- opaque blob of data which is made available to the ec2 instance
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required: false
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default: null
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aliases: []
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instance_tags:
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version_added: "1.0"
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description:
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- a hash/dictionary of tags to add to the new instance or for for starting/stopping instance by tag; '{"key":"value"}' and '{"key":"value","key":"value"}'
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required: false
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default: null
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aliases: []
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placement_group:
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version_added: "1.3"
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description:
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- placement group for the instance when using EC2 Clustered Compute
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required: false
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default: null
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aliases: []
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vpc_subnet_id:
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version_added: "1.1"
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description:
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- the subnet ID in which to launch the instance (VPC)
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required: false
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default: null
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aliases: []
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assign_public_ip:
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version_added: "1.5"
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description:
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- when provisioning within vpc, assign a public IP address. Boto library must be 2.13.0+
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required: false
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default: null
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choices: [ "yes", "no" ]
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aliases: []
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private_ip:
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version_added: "1.2"
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description:
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- the private ip address to assign the instance (from the vpc subnet)
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required: false
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default: null
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aliases: []
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instance_profile_name:
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version_added: "1.3"
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description:
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- Name of the IAM instance profile to use. Boto library must be 2.5.0+
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required: false
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default: null
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aliases: []
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instance_ids:
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version_added: "1.3"
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description:
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- "list of instance ids, currently used for states: absent, running, stopped"
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required: false
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default: null
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aliases: ['instance_id']
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source_dest_check:
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version_added: "1.6"
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description:
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- Enable or Disable the Source/Destination checks (for NAT instances and Virtual Routers)
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required: false
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default: yes
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choices: [ "yes", "no" ]
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termination_protection:
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version_added: "2.0"
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description:
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- Enable or Disable the Termination Protection
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required: false
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default: no
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choices: [ "yes", "no" ]
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state:
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version_added: "1.3"
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description:
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- create or terminate instances
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required: false
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default: 'present'
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aliases: []
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choices: ['present', 'absent', 'running', 'stopped']
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volumes:
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version_added: "1.5"
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description:
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- "a list of volume dicts, each containing device name and optionally ephemeral id or snapshot id. Size and type (and number of iops for io device type) must be specified for a new volume or a root volume, and may be passed for a snapshot volume. For any volume, a volume size less than 1 will be interpreted as a request not to create the volume. Encrypt the volume by passing 'encrypted: true' in the volume dict."
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required: false
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default: null
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aliases: []
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ebs_optimized:
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version_added: "1.6"
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description:
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- whether instance is using optimized EBS volumes, see U(http://docs.aws.amazon.com/AWSEC2/latest/UserGuide/EBSOptimized.html)
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required: false
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default: false
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exact_count:
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version_added: "1.5"
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description:
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- An integer value which indicates how many instances that match the 'count_tag' parameter should be running. Instances are either created or terminated based on this value.
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required: false
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default: null
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aliases: []
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count_tag:
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version_added: "1.5"
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description:
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- Used with 'exact_count' to determine how many nodes based on a specific tag criteria should be running. This can be expressed in multiple ways and is shown in the EXAMPLES section. For instance, one can request 25 servers that are tagged with "class=webserver".
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required: false
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default: null
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aliases: []
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network_interfaces:
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version_added: "2.0"
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description:
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- A list of existing network interfaces to attach to the instance at launch. When specifying existing network interfaces, none of the assign_public_ip, private_ip, vpc_subnet_id, group, or group_id parameters may be used. (Those parameters are for creating a new network interface at launch.)
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required: false
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default: null
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author:
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- "Tim Gerla (@tgerla)"
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- "Lester Wade (@lwade)"
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- "Seth Vidal"
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extends_documentation_fragment: aws
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'''
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EXAMPLES = '''
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# Note: These examples do not set authentication details, see the AWS Guide for details.
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# Basic provisioning example
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- ec2:
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key_name: mykey
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instance_type: t2.micro
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image: ami-123456
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wait: yes
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group: webserver
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count: 3
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vpc_subnet_id: subnet-29e63245
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assign_public_ip: yes
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# Advanced example with tagging and CloudWatch
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- ec2:
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key_name: mykey
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group: databases
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instance_type: t2.micro
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image: ami-123456
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wait: yes
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wait_timeout: 500
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count: 5
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instance_tags:
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db: postgres
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monitoring: yes
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vpc_subnet_id: subnet-29e63245
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assign_public_ip: yes
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# Single instance with additional IOPS volume from snapshot and volume delete on termination
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- ec2:
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key_name: mykey
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group: webserver
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instance_type: c3.medium
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image: ami-123456
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wait: yes
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wait_timeout: 500
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volumes:
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- device_name: /dev/sdb
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snapshot: snap-abcdef12
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device_type: io1
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iops: 1000
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volume_size: 100
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delete_on_termination: true
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monitoring: yes
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vpc_subnet_id: subnet-29e63245
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assign_public_ip: yes
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# Multiple groups example
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- ec2:
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key_name: mykey
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group: ['databases', 'internal-services', 'sshable', 'and-so-forth']
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instance_type: m1.large
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image: ami-6e649707
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wait: yes
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wait_timeout: 500
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count: 5
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instance_tags:
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db: postgres
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monitoring: yes
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vpc_subnet_id: subnet-29e63245
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assign_public_ip: yes
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# Multiple instances with additional volume from snapshot
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- ec2:
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key_name: mykey
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group: webserver
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instance_type: m1.large
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image: ami-6e649707
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wait: yes
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wait_timeout: 500
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count: 5
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volumes:
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- device_name: /dev/sdb
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snapshot: snap-abcdef12
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volume_size: 10
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monitoring: yes
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vpc_subnet_id: subnet-29e63245
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assign_public_ip: yes
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# Dedicated tenancy example
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- local_action:
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module: ec2
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assign_public_ip: yes
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group_id: sg-1dc53f72
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key_name: mykey
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image: ami-6e649707
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instance_type: m1.small
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tenancy: dedicated
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vpc_subnet_id: subnet-29e63245
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wait: yes
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# Spot instance example
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- ec2:
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spot_price: 0.24
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spot_wait_timeout: 600
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keypair: mykey
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group_id: sg-1dc53f72
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instance_type: m1.small
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image: ami-6e649707
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wait: yes
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vpc_subnet_id: subnet-29e63245
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assign_public_ip: yes
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# Example using pre-existing network interfaces
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- ec2:
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key_name: mykey
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instance_type: t2.small
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image: ami-f005ba11
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network_interfaces: ['eni-deadbeef', 'eni-5ca1ab1e']
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# Launch instances, runs some tasks
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# and then terminate them
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- name: Create a sandbox instance
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hosts: localhost
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gather_facts: False
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vars:
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key_name: my_keypair
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instance_type: m1.small
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security_group: my_securitygroup
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image: my_ami_id
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region: us-east-1
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tasks:
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- name: Launch instance
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ec2:
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key_name: "{{ keypair }}"
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group: "{{ security_group }}"
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instance_type: "{{ instance_type }}"
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image: "{{ image }}"
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wait: true
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region: "{{ region }}"
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vpc_subnet_id: subnet-29e63245
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assign_public_ip: yes
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register: ec2
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- name: Add new instance to host group
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add_host: hostname={{ item.public_ip }} groupname=launched
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with_items: ec2.instances
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- name: Wait for SSH to come up
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wait_for: host={{ item.public_dns_name }} port=22 delay=60 timeout=320 state=started
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with_items: ec2.instances
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- name: Configure instance(s)
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hosts: launched
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sudo: True
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gather_facts: True
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roles:
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- my_awesome_role
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- my_awesome_test
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- name: Terminate instances
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hosts: localhost
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connection: local
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tasks:
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- name: Terminate instances that were previously launched
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ec2:
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state: 'absent'
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instance_ids: '{{ ec2.instance_ids }}'
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# Start a few existing instances, run some tasks
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# and stop the instances
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- name: Start sandbox instances
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hosts: localhost
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gather_facts: false
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connection: local
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vars:
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instance_ids:
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- 'i-xxxxxx'
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- 'i-xxxxxx'
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- 'i-xxxxxx'
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region: us-east-1
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tasks:
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- name: Start the sandbox instances
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ec2:
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instance_ids: '{{ instance_ids }}'
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region: '{{ region }}'
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state: running
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wait: True
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vpc_subnet_id: subnet-29e63245
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assign_public_ip: yes
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role:
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- do_neat_stuff
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- do_more_neat_stuff
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- name: Stop sandbox instances
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hosts: localhost
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gather_facts: false
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connection: local
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vars:
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instance_ids:
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- 'i-xxxxxx'
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- 'i-xxxxxx'
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- 'i-xxxxxx'
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region: us-east-1
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tasks:
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- name: Stop the sandbox instances
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ec2:
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instance_ids: '{{ instance_ids }}'
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region: '{{ region }}'
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state: stopped
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wait: True
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vpc_subnet_id: subnet-29e63245
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assign_public_ip: yes
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#
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# Start stopped instances specified by tag
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#
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- local_action:
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module: ec2
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instance_tags:
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Name: ExtraPower
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state: running
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#
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# Enforce that 5 instances with a tag "foo" are running
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|
# (Highly recommended!)
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#
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- ec2:
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key_name: mykey
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instance_type: c1.medium
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image: ami-40603AD1
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wait: yes
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group: webserver
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instance_tags:
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|
foo: bar
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exact_count: 5
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count_tag: foo
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vpc_subnet_id: subnet-29e63245
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assign_public_ip: yes
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|
|
#
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# Enforce that 5 running instances named "database" with a "dbtype" of "postgres"
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#
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|
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|
- ec2:
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key_name: mykey
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instance_type: c1.medium
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image: ami-40603AD1
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wait: yes
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group: webserver
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instance_tags:
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Name: database
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dbtype: postgres
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exact_count: 5
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count_tag:
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Name: database
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dbtype: postgres
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vpc_subnet_id: subnet-29e63245
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assign_public_ip: yes
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|
|
#
|
|
# count_tag complex argument examples
|
|
#
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|
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# instances with tag foo
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count_tag:
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foo:
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# instances with tag foo=bar
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count_tag:
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foo: bar
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# instances with tags foo=bar & baz
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count_tag:
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foo: bar
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baz:
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# instances with tags foo & bar & baz=bang
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count_tag:
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- foo
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- bar
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- baz: bang
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|
|
'''
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|
|
import time
|
|
from ast import literal_eval
|
|
|
|
try:
|
|
import boto.ec2
|
|
from boto.ec2.blockdevicemapping import BlockDeviceType, BlockDeviceMapping
|
|
from boto.exception import EC2ResponseError
|
|
from boto.vpc import VPCConnection
|
|
HAS_BOTO = True
|
|
except ImportError:
|
|
HAS_BOTO = False
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|
|
|
|
|
def find_running_instances_by_count_tag(module, ec2, count_tag, zone=None):
|
|
|
|
# get reservations for instances that match tag(s) and are running
|
|
reservations = get_reservations(module, ec2, tags=count_tag, state="running", zone=zone)
|
|
|
|
instances = []
|
|
for res in reservations:
|
|
if hasattr(res, 'instances'):
|
|
for inst in res.instances:
|
|
instances.append(inst)
|
|
|
|
return reservations, instances
|
|
|
|
|
|
def _set_none_to_blank(dictionary):
|
|
result = dictionary
|
|
for k in result.iterkeys():
|
|
if type(result[k]) == dict:
|
|
result[k] = _set_none_to_blank(result[k])
|
|
elif not result[k]:
|
|
result[k] = ""
|
|
return result
|
|
|
|
|
|
def get_reservations(module, ec2, tags=None, state=None, zone=None):
|
|
|
|
# TODO: filters do not work with tags that have underscores
|
|
filters = dict()
|
|
|
|
if tags is not None:
|
|
|
|
if type(tags) is str:
|
|
try:
|
|
tags = literal_eval(tags)
|
|
except:
|
|
pass
|
|
|
|
# if string, we only care that a tag of that name exists
|
|
if type(tags) is str:
|
|
filters.update({"tag-key": tags})
|
|
|
|
# if list, append each item to filters
|
|
if type(tags) is list:
|
|
for x in tags:
|
|
if type(x) is dict:
|
|
x = _set_none_to_blank(x)
|
|
filters.update(dict(("tag:"+tn, tv) for (tn,tv) in x.iteritems()))
|
|
else:
|
|
filters.update({"tag-key": x})
|
|
|
|
# if dict, add the key and value to the filter
|
|
if type(tags) is dict:
|
|
tags = _set_none_to_blank(tags)
|
|
filters.update(dict(("tag:"+tn, tv) for (tn,tv) in tags.iteritems()))
|
|
|
|
if state:
|
|
# http://stackoverflow.com/questions/437511/what-are-the-valid-instancestates-for-the-amazon-ec2-api
|
|
filters.update({'instance-state-name': state})
|
|
|
|
if zone:
|
|
filters.update({'availability-zone': zone})
|
|
|
|
results = ec2.get_all_instances(filters=filters)
|
|
|
|
return results
|
|
|
|
def get_instance_info(inst):
|
|
"""
|
|
Retrieves instance information from an instance
|
|
ID and returns it as a dictionary
|
|
"""
|
|
instance_info = {'id': inst.id,
|
|
'ami_launch_index': inst.ami_launch_index,
|
|
'private_ip': inst.private_ip_address,
|
|
'private_dns_name': inst.private_dns_name,
|
|
'public_ip': inst.ip_address,
|
|
'dns_name': inst.dns_name,
|
|
'public_dns_name': inst.public_dns_name,
|
|
'state_code': inst.state_code,
|
|
'architecture': inst.architecture,
|
|
'image_id': inst.image_id,
|
|
'key_name': inst.key_name,
|
|
'placement': inst.placement,
|
|
'region': inst.placement[:-1],
|
|
'kernel': inst.kernel,
|
|
'ramdisk': inst.ramdisk,
|
|
'launch_time': inst.launch_time,
|
|
'instance_type': inst.instance_type,
|
|
'root_device_type': inst.root_device_type,
|
|
'root_device_name': inst.root_device_name,
|
|
'state': inst.state,
|
|
'hypervisor': inst.hypervisor,
|
|
'tags': inst.tags,
|
|
'groups': dict((group.id, group.name) for group in inst.groups),
|
|
}
|
|
try:
|
|
instance_info['virtualization_type'] = getattr(inst,'virtualization_type')
|
|
except AttributeError:
|
|
instance_info['virtualization_type'] = None
|
|
|
|
try:
|
|
instance_info['ebs_optimized'] = getattr(inst, 'ebs_optimized')
|
|
except AttributeError:
|
|
instance_info['ebs_optimized'] = False
|
|
|
|
try:
|
|
bdm_dict = {}
|
|
bdm = getattr(inst, 'block_device_mapping')
|
|
for device_name in bdm.keys():
|
|
bdm_dict[device_name] = {
|
|
'status': bdm[device_name].status,
|
|
'volume_id': bdm[device_name].volume_id,
|
|
'delete_on_termination': bdm[device_name].delete_on_termination
|
|
}
|
|
instance_info['block_device_mapping'] = bdm_dict
|
|
except AttributeError:
|
|
instance_info['block_device_mapping'] = False
|
|
|
|
try:
|
|
instance_info['tenancy'] = getattr(inst, 'placement_tenancy')
|
|
except AttributeError:
|
|
instance_info['tenancy'] = 'default'
|
|
|
|
return instance_info
|
|
|
|
def boto_supports_associate_public_ip_address(ec2):
|
|
"""
|
|
Check if Boto library has associate_public_ip_address in the NetworkInterfaceSpecification
|
|
class. Added in Boto 2.13.0
|
|
|
|
ec2: authenticated ec2 connection object
|
|
|
|
Returns:
|
|
True if Boto library accepts associate_public_ip_address argument, else false
|
|
"""
|
|
|
|
try:
|
|
network_interface = boto.ec2.networkinterface.NetworkInterfaceSpecification()
|
|
getattr(network_interface, "associate_public_ip_address")
|
|
return True
|
|
except AttributeError:
|
|
return False
|
|
|
|
def boto_supports_profile_name_arg(ec2):
|
|
"""
|
|
Check if Boto library has instance_profile_name argument. instance_profile_name has been added in Boto 2.5.0
|
|
|
|
ec2: authenticated ec2 connection object
|
|
|
|
Returns:
|
|
True if Boto library accept instance_profile_name argument, else false
|
|
"""
|
|
run_instances_method = getattr(ec2, 'run_instances')
|
|
return 'instance_profile_name' in run_instances_method.func_code.co_varnames
|
|
|
|
def create_block_device(module, ec2, volume):
|
|
# Not aware of a way to determine this programatically
|
|
# http://aws.amazon.com/about-aws/whats-new/2013/10/09/ebs-provisioned-iops-maximum-iops-gb-ratio-increased-to-30-1/
|
|
MAX_IOPS_TO_SIZE_RATIO = 30
|
|
if 'snapshot' not in volume and 'ephemeral' not in volume:
|
|
if 'volume_size' not in volume:
|
|
module.fail_json(msg = 'Size must be specified when creating a new volume or modifying the root volume')
|
|
if 'snapshot' in volume:
|
|
if 'device_type' in volume and volume.get('device_type') == 'io1' and 'iops' not in volume:
|
|
module.fail_json(msg = 'io1 volumes must have an iops value set')
|
|
if 'iops' in volume:
|
|
snapshot = ec2.get_all_snapshots(snapshot_ids=[volume['snapshot']])[0]
|
|
size = volume.get('volume_size', snapshot.volume_size)
|
|
if int(volume['iops']) > MAX_IOPS_TO_SIZE_RATIO * size:
|
|
module.fail_json(msg = 'IOPS must be at most %d times greater than size' % MAX_IOPS_TO_SIZE_RATIO)
|
|
if 'encrypted' in volume:
|
|
module.fail_json(msg = 'You can not set encyrption when creating a volume from a snapshot')
|
|
if 'ephemeral' in volume:
|
|
if 'snapshot' in volume:
|
|
module.fail_json(msg = 'Cannot set both ephemeral and snapshot')
|
|
return BlockDeviceType(snapshot_id=volume.get('snapshot'),
|
|
ephemeral_name=volume.get('ephemeral'),
|
|
size=volume.get('volume_size'),
|
|
volume_type=volume.get('device_type'),
|
|
delete_on_termination=volume.get('delete_on_termination', False),
|
|
iops=volume.get('iops'),
|
|
encrypted=volume.get('encrypted', None))
|
|
def boto_supports_param_in_spot_request(ec2, param):
|
|
"""
|
|
Check if Boto library has a <param> in its request_spot_instances() method. For example, the placement_group parameter wasn't added until 2.3.0.
|
|
|
|
ec2: authenticated ec2 connection object
|
|
|
|
Returns:
|
|
True if boto library has the named param as an argument on the request_spot_instances method, else False
|
|
"""
|
|
method = getattr(ec2, 'request_spot_instances')
|
|
return param in method.func_code.co_varnames
|
|
|
|
def enforce_count(module, ec2, vpc):
|
|
|
|
exact_count = module.params.get('exact_count')
|
|
count_tag = module.params.get('count_tag')
|
|
zone = module.params.get('zone')
|
|
|
|
# fail here if the exact count was specified without filtering
|
|
# on a tag, as this may lead to a undesired removal of instances
|
|
if exact_count and count_tag is None:
|
|
module.fail_json(msg="you must use the 'count_tag' option with exact_count")
|
|
|
|
reservations, instances = find_running_instances_by_count_tag(module, ec2, count_tag, zone)
|
|
|
|
changed = None
|
|
checkmode = False
|
|
instance_dict_array = []
|
|
changed_instance_ids = None
|
|
|
|
if len(instances) == exact_count:
|
|
changed = False
|
|
elif len(instances) < exact_count:
|
|
changed = True
|
|
to_create = exact_count - len(instances)
|
|
if not checkmode:
|
|
(instance_dict_array, changed_instance_ids, changed) \
|
|
= create_instances(module, ec2, vpc, override_count=to_create)
|
|
|
|
for inst in instance_dict_array:
|
|
instances.append(inst)
|
|
elif len(instances) > exact_count:
|
|
changed = True
|
|
to_remove = len(instances) - exact_count
|
|
if not checkmode:
|
|
all_instance_ids = sorted([ x.id for x in instances ])
|
|
remove_ids = all_instance_ids[0:to_remove]
|
|
|
|
instances = [ x for x in instances if x.id not in remove_ids]
|
|
|
|
(changed, instance_dict_array, changed_instance_ids) \
|
|
= terminate_instances(module, ec2, remove_ids)
|
|
terminated_list = []
|
|
for inst in instance_dict_array:
|
|
inst['state'] = "terminated"
|
|
terminated_list.append(inst)
|
|
instance_dict_array = terminated_list
|
|
|
|
# ensure all instances are dictionaries
|
|
all_instances = []
|
|
for inst in instances:
|
|
if type(inst) is not dict:
|
|
inst = get_instance_info(inst)
|
|
all_instances.append(inst)
|
|
|
|
return (all_instances, instance_dict_array, changed_instance_ids, changed)
|
|
|
|
|
|
def create_instances(module, ec2, vpc, override_count=None):
|
|
"""
|
|
Creates new instances
|
|
|
|
module : AnsibleModule object
|
|
ec2: authenticated ec2 connection object
|
|
|
|
Returns:
|
|
A list of dictionaries with instance information
|
|
about the instances that were launched
|
|
"""
|
|
|
|
key_name = module.params.get('key_name')
|
|
id = module.params.get('id')
|
|
group_name = module.params.get('group')
|
|
group_id = module.params.get('group_id')
|
|
zone = module.params.get('zone')
|
|
instance_type = module.params.get('instance_type')
|
|
tenancy = module.params.get('tenancy')
|
|
spot_price = module.params.get('spot_price')
|
|
spot_type = module.params.get('spot_type')
|
|
image = module.params.get('image')
|
|
if override_count:
|
|
count = override_count
|
|
else:
|
|
count = module.params.get('count')
|
|
monitoring = module.params.get('monitoring')
|
|
kernel = module.params.get('kernel')
|
|
ramdisk = module.params.get('ramdisk')
|
|
wait = module.params.get('wait')
|
|
wait_timeout = int(module.params.get('wait_timeout'))
|
|
spot_wait_timeout = int(module.params.get('spot_wait_timeout'))
|
|
placement_group = module.params.get('placement_group')
|
|
user_data = module.params.get('user_data')
|
|
instance_tags = module.params.get('instance_tags')
|
|
vpc_subnet_id = module.params.get('vpc_subnet_id')
|
|
assign_public_ip = module.boolean(module.params.get('assign_public_ip'))
|
|
private_ip = module.params.get('private_ip')
|
|
instance_profile_name = module.params.get('instance_profile_name')
|
|
volumes = module.params.get('volumes')
|
|
ebs_optimized = module.params.get('ebs_optimized')
|
|
exact_count = module.params.get('exact_count')
|
|
count_tag = module.params.get('count_tag')
|
|
source_dest_check = module.boolean(module.params.get('source_dest_check'))
|
|
termination_protection = module.boolean(module.params.get('termination_protection'))
|
|
network_interfaces = module.params.get('network_interfaces')
|
|
|
|
# group_id and group_name are exclusive of each other
|
|
if group_id and group_name:
|
|
module.fail_json(msg = str("Use only one type of parameter (group_name) or (group_id)"))
|
|
|
|
if (network_interfaces and
|
|
(assign_public_ip or private_ip or vpc_subnet_id
|
|
or group_name or group_id)):
|
|
module.fail_json(
|
|
msg=str("network_interfaces must not be set when specifying " +
|
|
"assign_public_ip, private_ip, vpc_subnet_id, group, " +
|
|
"or group_id, which are used to create a new network " +
|
|
"interface."))
|
|
|
|
vpc_id = None
|
|
if vpc_subnet_id:
|
|
if not vpc:
|
|
module.fail_json(msg="region must be specified")
|
|
else:
|
|
vpc_id = vpc.get_all_subnets(subnet_ids=[vpc_subnet_id])[0].vpc_id
|
|
else:
|
|
vpc_id = None
|
|
|
|
try:
|
|
# Here we try to lookup the group id from the security group name - if group is set.
|
|
if group_name:
|
|
if vpc_id:
|
|
grp_details = ec2.get_all_security_groups(filters={'vpc_id': vpc_id})
|
|
else:
|
|
grp_details = ec2.get_all_security_groups()
|
|
if isinstance(group_name, basestring):
|
|
group_name = [group_name]
|
|
group_id = [ str(grp.id) for grp in grp_details if str(grp.name) in group_name ]
|
|
# Now we try to lookup the group id testing if group exists.
|
|
elif group_id:
|
|
#wrap the group_id in a list if it's not one already
|
|
if isinstance(group_id, basestring):
|
|
group_id = [group_id]
|
|
grp_details = ec2.get_all_security_groups(group_ids=group_id)
|
|
group_name = [grp_item.name for grp_item in grp_details]
|
|
except boto.exception.NoAuthHandlerFound, e:
|
|
module.fail_json(msg = str(e))
|
|
|
|
# Lookup any instances that much our run id.
|
|
|
|
running_instances = []
|
|
count_remaining = int(count)
|
|
|
|
if id != None:
|
|
filter_dict = {'client-token':id, 'instance-state-name' : 'running'}
|
|
previous_reservations = ec2.get_all_instances(None, filter_dict)
|
|
for res in previous_reservations:
|
|
for prev_instance in res.instances:
|
|
running_instances.append(prev_instance)
|
|
count_remaining = count_remaining - len(running_instances)
|
|
|
|
# Both min_count and max_count equal count parameter. This means the launch request is explicit (we want count, or fail) in how many instances we want.
|
|
|
|
if count_remaining == 0:
|
|
changed = False
|
|
else:
|
|
changed = True
|
|
try:
|
|
params = {'image_id': image,
|
|
'key_name': key_name,
|
|
'monitoring_enabled': monitoring,
|
|
'placement': zone,
|
|
'instance_type': instance_type,
|
|
'kernel_id': kernel,
|
|
'ramdisk_id': ramdisk,
|
|
'user_data': user_data}
|
|
|
|
if ebs_optimized:
|
|
params['ebs_optimized'] = ebs_optimized
|
|
|
|
# 'tenancy' always has a default value, but it is not a valid parameter for spot instance resquest
|
|
if not spot_price:
|
|
params['tenancy'] = tenancy
|
|
|
|
if boto_supports_profile_name_arg(ec2):
|
|
params['instance_profile_name'] = instance_profile_name
|
|
else:
|
|
if instance_profile_name is not None:
|
|
module.fail_json(
|
|
msg="instance_profile_name parameter requires Boto version 2.5.0 or higher")
|
|
|
|
if assign_public_ip:
|
|
if not boto_supports_associate_public_ip_address(ec2):
|
|
module.fail_json(
|
|
msg="assign_public_ip parameter requires Boto version 2.13.0 or higher.")
|
|
elif not vpc_subnet_id:
|
|
module.fail_json(
|
|
msg="assign_public_ip only available with vpc_subnet_id")
|
|
|
|
else:
|
|
if private_ip:
|
|
interface = boto.ec2.networkinterface.NetworkInterfaceSpecification(
|
|
subnet_id=vpc_subnet_id,
|
|
private_ip_address=private_ip,
|
|
groups=group_id,
|
|
associate_public_ip_address=assign_public_ip)
|
|
else:
|
|
interface = boto.ec2.networkinterface.NetworkInterfaceSpecification(
|
|
subnet_id=vpc_subnet_id,
|
|
groups=group_id,
|
|
associate_public_ip_address=assign_public_ip)
|
|
interfaces = boto.ec2.networkinterface.NetworkInterfaceCollection(interface)
|
|
params['network_interfaces'] = interfaces
|
|
else:
|
|
if network_interfaces:
|
|
interfaces = []
|
|
for i, network_interface_id in enumerate(network_interfaces):
|
|
interface = boto.ec2.networkinterface.NetworkInterfaceSpecification(
|
|
network_interface_id=network_interface_id,
|
|
device_index=i)
|
|
interfaces.append(interface)
|
|
params['network_interfaces'] = \
|
|
boto.ec2.networkinterface.NetworkInterfaceCollection(*interfaces)
|
|
else:
|
|
params['subnet_id'] = vpc_subnet_id
|
|
if vpc_subnet_id:
|
|
params['security_group_ids'] = group_id
|
|
else:
|
|
params['security_groups'] = group_name
|
|
|
|
if volumes:
|
|
bdm = BlockDeviceMapping()
|
|
for volume in volumes:
|
|
if 'device_name' not in volume:
|
|
module.fail_json(msg = 'Device name must be set for volume')
|
|
# Minimum volume size is 1GB. We'll use volume size explicitly set to 0
|
|
# to be a signal not to create this volume
|
|
if 'volume_size' not in volume or int(volume['volume_size']) > 0:
|
|
bdm[volume['device_name']] = create_block_device(module, ec2, volume)
|
|
|
|
params['block_device_map'] = bdm
|
|
|
|
# check to see if we're using spot pricing first before starting instances
|
|
if not spot_price:
|
|
if assign_public_ip and private_ip:
|
|
params.update(dict(
|
|
min_count = count_remaining,
|
|
max_count = count_remaining,
|
|
client_token = id,
|
|
placement_group = placement_group,
|
|
))
|
|
else:
|
|
params.update(dict(
|
|
min_count = count_remaining,
|
|
max_count = count_remaining,
|
|
client_token = id,
|
|
placement_group = placement_group,
|
|
private_ip_address = private_ip,
|
|
))
|
|
|
|
res = ec2.run_instances(**params)
|
|
instids = [ i.id for i in res.instances ]
|
|
while True:
|
|
try:
|
|
ec2.get_all_instances(instids)
|
|
break
|
|
except boto.exception.EC2ResponseError as e:
|
|
if "<Code>InvalidInstanceID.NotFound</Code>" in str(e):
|
|
# there's a race between start and get an instance
|
|
continue
|
|
else:
|
|
module.fail_json(msg = str(e))
|
|
|
|
# The instances returned through ec2.run_instances above can be in
|
|
# terminated state due to idempotency. See commit 7f11c3d for a complete
|
|
# explanation.
|
|
terminated_instances = [
|
|
str(instance.id) for instance in res.instances if instance.state == 'terminated'
|
|
]
|
|
if terminated_instances:
|
|
module.fail_json(msg = "Instances with id(s) %s " % terminated_instances +
|
|
"were created previously but have since been terminated - " +
|
|
"use a (possibly different) 'instanceid' parameter")
|
|
|
|
else:
|
|
if private_ip:
|
|
module.fail_json(
|
|
msg='private_ip only available with on-demand (non-spot) instances')
|
|
if boto_supports_param_in_spot_request(ec2, 'placement_group'):
|
|
params['placement_group'] = placement_group
|
|
elif placement_group :
|
|
module.fail_json(
|
|
msg="placement_group parameter requires Boto version 2.3.0 or higher.")
|
|
|
|
params.update(dict(
|
|
count = count_remaining,
|
|
type = spot_type,
|
|
))
|
|
res = ec2.request_spot_instances(spot_price, **params)
|
|
|
|
# Now we have to do the intermediate waiting
|
|
if wait:
|
|
spot_req_inst_ids = dict()
|
|
spot_wait_timeout = time.time() + spot_wait_timeout
|
|
while spot_wait_timeout > time.time():
|
|
reqs = ec2.get_all_spot_instance_requests()
|
|
for sirb in res:
|
|
if sirb.id in spot_req_inst_ids:
|
|
continue
|
|
for sir in reqs:
|
|
if sir.id == sirb.id and sir.instance_id is not None:
|
|
spot_req_inst_ids[sirb.id] = sir.instance_id
|
|
if len(spot_req_inst_ids) < count:
|
|
time.sleep(5)
|
|
else:
|
|
break
|
|
if spot_wait_timeout <= time.time():
|
|
module.fail_json(msg = "wait for spot requests timeout on %s" % time.asctime())
|
|
instids = spot_req_inst_ids.values()
|
|
except boto.exception.BotoServerError, e:
|
|
module.fail_json(msg = "Instance creation failed => %s: %s" % (e.error_code, e.error_message))
|
|
|
|
# wait here until the instances are up
|
|
num_running = 0
|
|
wait_timeout = time.time() + wait_timeout
|
|
while wait_timeout > time.time() and num_running < len(instids):
|
|
try:
|
|
res_list = ec2.get_all_instances(instids)
|
|
except boto.exception.BotoServerError, e:
|
|
if e.error_code == 'InvalidInstanceID.NotFound':
|
|
time.sleep(1)
|
|
continue
|
|
else:
|
|
raise
|
|
|
|
num_running = 0
|
|
for res in res_list:
|
|
num_running += len([ i for i in res.instances if i.state=='running' ])
|
|
if len(res_list) <= 0:
|
|
# got a bad response of some sort, possibly due to
|
|
# stale/cached data. Wait a second and then try again
|
|
time.sleep(1)
|
|
continue
|
|
if wait and num_running < len(instids):
|
|
time.sleep(5)
|
|
else:
|
|
break
|
|
|
|
if wait and wait_timeout <= time.time():
|
|
# waiting took too long
|
|
module.fail_json(msg = "wait for instances running timeout on %s" % time.asctime())
|
|
|
|
#We do this after the loop ends so that we end up with one list
|
|
for res in res_list:
|
|
running_instances.extend(res.instances)
|
|
|
|
# Enabled by default by AWS
|
|
if source_dest_check is False:
|
|
for inst in res.instances:
|
|
inst.modify_attribute('sourceDestCheck', False)
|
|
|
|
# Disabled by default by AWS
|
|
if termination_protection is True:
|
|
for inst in res.instances:
|
|
inst.modify_attribute('disableApiTermination', True)
|
|
|
|
# Leave this as late as possible to try and avoid InvalidInstanceID.NotFound
|
|
if instance_tags:
|
|
try:
|
|
ec2.create_tags(instids, instance_tags)
|
|
except boto.exception.EC2ResponseError, e:
|
|
module.fail_json(msg = "Instance tagging failed => %s: %s" % (e.error_code, e.error_message))
|
|
|
|
instance_dict_array = []
|
|
created_instance_ids = []
|
|
for inst in running_instances:
|
|
inst.update()
|
|
d = get_instance_info(inst)
|
|
created_instance_ids.append(inst.id)
|
|
instance_dict_array.append(d)
|
|
|
|
return (instance_dict_array, created_instance_ids, changed)
|
|
|
|
|
|
def terminate_instances(module, ec2, instance_ids):
|
|
"""
|
|
Terminates a list of instances
|
|
|
|
module: Ansible module object
|
|
ec2: authenticated ec2 connection object
|
|
termination_list: a list of instances to terminate in the form of
|
|
[ {id: <inst-id>}, ..]
|
|
|
|
Returns a dictionary of instance information
|
|
about the instances terminated.
|
|
|
|
If the instance to be terminated is running
|
|
"changed" will be set to False.
|
|
|
|
"""
|
|
|
|
# Whether to wait for termination to complete before returning
|
|
wait = module.params.get('wait')
|
|
wait_timeout = int(module.params.get('wait_timeout'))
|
|
|
|
changed = False
|
|
instance_dict_array = []
|
|
|
|
if not isinstance(instance_ids, list) or len(instance_ids) < 1:
|
|
module.fail_json(msg='instance_ids should be a list of instances, aborting')
|
|
|
|
terminated_instance_ids = []
|
|
for res in ec2.get_all_instances(instance_ids):
|
|
for inst in res.instances:
|
|
if inst.state == 'running' or inst.state == 'stopped':
|
|
terminated_instance_ids.append(inst.id)
|
|
instance_dict_array.append(get_instance_info(inst))
|
|
try:
|
|
ec2.terminate_instances([inst.id])
|
|
except EC2ResponseError, e:
|
|
module.fail_json(msg='Unable to terminate instance {0}, error: {1}'.format(inst.id, e))
|
|
changed = True
|
|
|
|
# wait here until the instances are 'terminated'
|
|
if wait:
|
|
num_terminated = 0
|
|
wait_timeout = time.time() + wait_timeout
|
|
while wait_timeout > time.time() and num_terminated < len(terminated_instance_ids):
|
|
response = ec2.get_all_instances( \
|
|
instance_ids=terminated_instance_ids, \
|
|
filters={'instance-state-name':'terminated'})
|
|
try:
|
|
num_terminated = len(response.pop().instances)
|
|
except Exception, e:
|
|
# got a bad response of some sort, possibly due to
|
|
# stale/cached data. Wait a second and then try again
|
|
time.sleep(1)
|
|
continue
|
|
|
|
if num_terminated < len(terminated_instance_ids):
|
|
time.sleep(5)
|
|
|
|
# waiting took too long
|
|
if wait_timeout < time.time() and num_terminated < len(terminated_instance_ids):
|
|
module.fail_json(msg = "wait for instance termination timeout on %s" % time.asctime())
|
|
#Lets get the current state of the instances after terminating - issue600
|
|
instance_dict_array = []
|
|
for res in ec2.get_all_instances(instance_ids=terminated_instance_ids,\
|
|
filters={'instance-state-name':'terminated'}):
|
|
for inst in res.instances:
|
|
instance_dict_array.append(get_instance_info(inst))
|
|
|
|
|
|
return (changed, instance_dict_array, terminated_instance_ids)
|
|
|
|
|
|
def startstop_instances(module, ec2, instance_ids, state, instance_tags):
|
|
"""
|
|
Starts or stops a list of existing instances
|
|
|
|
module: Ansible module object
|
|
ec2: authenticated ec2 connection object
|
|
instance_ids: The list of instances to start in the form of
|
|
[ {id: <inst-id>}, ..]
|
|
instance_tags: A dict of tag keys and values in the form of
|
|
{key: value, ... }
|
|
state: Intended state ("running" or "stopped")
|
|
|
|
Returns a dictionary of instance information
|
|
about the instances started/stopped.
|
|
|
|
If the instance was not able to change state,
|
|
"changed" will be set to False.
|
|
|
|
Note that if instance_ids and instance_tags are both non-empty,
|
|
this method will process the intersection of the two
|
|
"""
|
|
|
|
wait = module.params.get('wait')
|
|
wait_timeout = int(module.params.get('wait_timeout'))
|
|
changed = False
|
|
instance_dict_array = []
|
|
|
|
if not isinstance(instance_ids, list) or len(instance_ids) < 1:
|
|
# Fail unless the user defined instance tags
|
|
if not instance_tags:
|
|
module.fail_json(msg='instance_ids should be a list of instances, aborting')
|
|
|
|
# To make an EC2 tag filter, we need to prepend 'tag:' to each key.
|
|
# An empty filter does no filtering, so it's safe to pass it to the
|
|
# get_all_instances method even if the user did not specify instance_tags
|
|
filters = {}
|
|
if instance_tags:
|
|
for key, value in instance_tags.items():
|
|
filters["tag:" + key] = value
|
|
|
|
# Check that our instances are not in the state we want to take
|
|
|
|
# Check (and eventually change) instances attributes and instances state
|
|
running_instances_array = []
|
|
for res in ec2.get_all_instances(instance_ids, filters=filters):
|
|
for inst in res.instances:
|
|
|
|
# Check "source_dest_check" attribute
|
|
if inst.get_attribute('sourceDestCheck')['sourceDestCheck'] != source_dest_check:
|
|
inst.modify_attribute('sourceDestCheck', source_dest_check)
|
|
changed = True
|
|
|
|
# Check "termination_protection" attribute
|
|
if inst.get_attribute('disableApiTermination')['disableApiTermination'] != termination_protection:
|
|
inst.modify_attribute('disableApiTermination', termination_protection)
|
|
changed = True
|
|
|
|
# Check instance state
|
|
if inst.state != state:
|
|
instance_dict_array.append(get_instance_info(inst))
|
|
try:
|
|
if state == 'running':
|
|
inst.start()
|
|
else:
|
|
inst.stop()
|
|
except EC2ResponseError, e:
|
|
module.fail_json(msg='Unable to change state for instance {0}, error: {1}'.format(inst.id, e))
|
|
changed = True
|
|
|
|
## Wait for all the instances to finish starting or stopping
|
|
wait_timeout = time.time() + wait_timeout
|
|
while wait and wait_timeout > time.time():
|
|
instance_dict_array = []
|
|
matched_instances = []
|
|
for res in ec2.get_all_instances(instance_ids):
|
|
for i in res.instances:
|
|
if i.state == state:
|
|
instance_dict_array.append(get_instance_info(i))
|
|
matched_instances.append(i)
|
|
if len(matched_instances) < len(instance_ids):
|
|
time.sleep(5)
|
|
else:
|
|
break
|
|
|
|
if wait and wait_timeout <= time.time():
|
|
# waiting took too long
|
|
module.fail_json(msg = "wait for instances running timeout on %s" % time.asctime())
|
|
|
|
return (changed, instance_dict_array, instance_ids)
|
|
|
|
|
|
def main():
|
|
argument_spec = ec2_argument_spec()
|
|
argument_spec.update(dict(
|
|
key_name = dict(aliases = ['keypair']),
|
|
id = dict(),
|
|
group = dict(type='list', aliases=['groups']),
|
|
group_id = dict(type='list'),
|
|
zone = dict(aliases=['aws_zone', 'ec2_zone']),
|
|
instance_type = dict(aliases=['type']),
|
|
spot_price = dict(),
|
|
spot_type = dict(default='one-time', choices=["one-time", "persistent"]),
|
|
image = dict(),
|
|
kernel = dict(),
|
|
count = dict(type='int', default='1'),
|
|
monitoring = dict(type='bool', default=False),
|
|
ramdisk = dict(),
|
|
wait = dict(type='bool', default=False),
|
|
wait_timeout = dict(default=300),
|
|
spot_wait_timeout = dict(default=600),
|
|
placement_group = dict(),
|
|
user_data = dict(),
|
|
instance_tags = dict(type='dict'),
|
|
vpc_subnet_id = dict(),
|
|
assign_public_ip = dict(type='bool', default=False),
|
|
private_ip = dict(),
|
|
instance_profile_name = dict(),
|
|
instance_ids = dict(type='list', aliases=['instance_id']),
|
|
source_dest_check = dict(type='bool', default=True),
|
|
termination_protection = dict(type='bool', default=False),
|
|
state = dict(default='present', choices=['present', 'absent', 'running', 'stopped']),
|
|
exact_count = dict(type='int', default=None),
|
|
count_tag = dict(),
|
|
volumes = dict(type='list'),
|
|
ebs_optimized = dict(type='bool', default=False),
|
|
tenancy = dict(default='default'),
|
|
network_interfaces = dict(type='list')
|
|
)
|
|
)
|
|
|
|
module = AnsibleModule(
|
|
argument_spec=argument_spec,
|
|
mutually_exclusive = [
|
|
['exact_count', 'count'],
|
|
['exact_count', 'state'],
|
|
['exact_count', 'instance_ids']
|
|
],
|
|
)
|
|
|
|
if not HAS_BOTO:
|
|
module.fail_json(msg='boto required for this module')
|
|
|
|
ec2 = ec2_connect(module)
|
|
|
|
region, ec2_url, aws_connect_kwargs = get_aws_connection_info(module)
|
|
|
|
if region:
|
|
try:
|
|
vpc = boto.vpc.connect_to_region(region, **aws_connect_kwargs)
|
|
except boto.exception.NoAuthHandlerFound, e:
|
|
module.fail_json(msg = str(e))
|
|
else:
|
|
vpc = None
|
|
|
|
tagged_instances = []
|
|
|
|
state = module.params['state']
|
|
|
|
if state == 'absent':
|
|
instance_ids = module.params['instance_ids']
|
|
if not instance_ids:
|
|
module.fail_json(msg='instance_ids list is required for absent state')
|
|
|
|
(changed, instance_dict_array, new_instance_ids) = terminate_instances(module, ec2, instance_ids)
|
|
|
|
elif state in ('running', 'stopped'):
|
|
instance_ids = module.params.get('instance_ids')
|
|
instance_tags = module.params.get('instance_tags')
|
|
if not (isinstance(instance_ids, list) or isinstance(instance_tags, dict)):
|
|
module.fail_json(msg='running list needs to be a list of instances or set of tags to run: %s' % instance_ids)
|
|
|
|
(changed, instance_dict_array, new_instance_ids) = startstop_instances(module, ec2, instance_ids, state, instance_tags)
|
|
|
|
elif state == 'present':
|
|
# Changed is always set to true when provisioning new instances
|
|
if not module.params.get('image'):
|
|
module.fail_json(msg='image parameter is required for new instance')
|
|
|
|
if module.params.get('exact_count') is None:
|
|
(instance_dict_array, new_instance_ids, changed) = create_instances(module, ec2, vpc)
|
|
else:
|
|
(tagged_instances, instance_dict_array, new_instance_ids, changed) = enforce_count(module, ec2, vpc)
|
|
|
|
module.exit_json(changed=changed, instance_ids=new_instance_ids, instances=instance_dict_array, tagged_instances=tagged_instances)
|
|
|
|
# import module snippets
|
|
from ansible.module_utils.basic import *
|
|
from ansible.module_utils.ec2 import *
|
|
|
|
main()
|