339 lines
12 KiB
Python
339 lines
12 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 an instance in ec2, return instanceid
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description:
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- creates ec2 instances and optionally waits for it to be 'running'. This module has a dependency on python-boto.
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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: true
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default: null
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aliases: ['keypair']
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id:
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description:
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- identifier for this instance or set of instances, so that the module will be idempotent with respect to EC2 instances.
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required: false
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default: null
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aliases: []
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group:
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description:
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- security group 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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group_id:
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version_added: "1.1"
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description:
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- security group id 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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instance_type:
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description:
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- instance type 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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image:
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description:
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- I(emi) (or I(ami)) 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 in state 'running' before returning
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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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ec2_url:
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description:
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- url to use to connect to EC2 or your Eucalyptus cloud (by default the module will use EC2 endpoints)
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required: false
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default: null
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aliases: []
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ec2_secret_key:
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description:
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- ec2 secret key
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required: false
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default: null
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aliases: []
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ec2_access_key:
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description:
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- ec2 access key
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required: false
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default: null
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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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monitor:
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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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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; '{"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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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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private_ip:
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version_added: "?.?"
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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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defualt: null
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aliases: []
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examples:
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- code: 'local_action: ec2 keypair=mykey instance_type=c1.medium image=emi-40603AD1 wait=yes group=webserver count=3'
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description: "Basic provisioning example"
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- code: 'local_action: ec2 keypair=mykey group=databases instance_type=m1.large image=ami-6e649707 wait=yes wait_timeout=500 count=5 instance_tags='{"db":"postgres"}' monitoring=true'
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description: "Advanced example with tagging and CloudWatch"
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- code: 'local_action: ec2 keypair=mykey group_id=sg-1dc53f72 instance_type=m1.small image=ami-6e649707 wait=yes vpc_subnet_id=subnet-29e63245'
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description: "VPC example"
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requirements: [ "boto" ]
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author: Seth Vidal, Tim Gerla, Lester Wade
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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
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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 main():
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module = AnsibleModule(
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argument_spec = dict(
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key_name = dict(required=True, aliases = ['keypair']),
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id = dict(),
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group = dict(),
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group_id = dict(),
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instance_type = dict(aliases=['type']),
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image = dict(required=True),
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kernel = dict(),
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count = dict(default='1'),
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monitoring = dict(choices=BOOLEANS, default=False),
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ramdisk = dict(),
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wait = dict(choices=BOOLEANS, default=False),
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wait_timeout = dict(default=300),
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ec2_url = dict(aliases=['EC2_URL']),
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ec2_secret_key = dict(aliases=['EC2_SECRET_KEY'], no_log=True),
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ec2_access_key = dict(aliases=['EC2_ACCESS_KEY']),
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user_data = dict(),
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instance_tags = dict(),
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vpc_subnet_id = dict(),
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private_ip = dict(),
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)
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)
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key_name = module.params.get('key_name')
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id = module.params.get('id')
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group_name = module.params.get('group')
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group_id = module.params.get('group_id')
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instance_type = module.params.get('instance_type')
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image = module.params.get('image')
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count = module.params.get('count')
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monitoring = module.params.get('monitoring')
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kernel = module.params.get('kernel')
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ramdisk = module.params.get('ramdisk')
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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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ec2_url = module.params.get('ec2_url')
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ec2_secret_key = module.params.get('ec2_secret_key')
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ec2_access_key = module.params.get('ec2_access_key')
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user_data = module.params.get('user_data')
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instance_tags = module.params.get('instance_tags')
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vpc_subnet_id = module.params.get('vpc_subnet_id')
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private_ip = module.params.get('private_ip')
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# allow eucarc environment variables to be used if ansible vars aren't set
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if not ec2_url and 'EC2_URL' in os.environ:
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ec2_url = os.environ['EC2_URL']
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if not ec2_secret_key and 'EC2_SECRET_KEY' in os.environ:
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ec2_secret_key = os.environ['EC2_SECRET_KEY']
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if not ec2_access_key and 'EC2_ACCESS_KEY' in os.environ:
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ec2_access_key = os.environ['EC2_ACCESS_KEY']
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try:
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if ec2_url: # if we have an URL set, connect to the specified endpoint
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ec2 = boto.connect_ec2_endpoint(ec2_url, ec2_access_key, ec2_secret_key)
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else: # otherwise it's Amazon.
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ec2 = boto.connect_ec2(ec2_access_key, ec2_secret_key)
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except boto.exception.NoAuthHandlerFound, e:
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module.fail_json(msg = str(e))
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# Here we try to lookup the group name from the security group id - if group_id is set.
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try:
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if group_id:
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grp_details = ec2.get_all_security_groups(group_ids=group_id)
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grp_item = grp_details[0]
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group_name = grp_item.name
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except boto.exception.NoAuthHandlerFound, e:
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module.fail_json(msg = str(e))
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# Lookup any instances that much our run id.
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running_instances = []
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count_remaining = int(count)
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if id != None:
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filter_dict = {'client-token':id, 'instance-state-name' : 'running'}
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previous_reservations = ec2.get_all_instances(None, filter_dict )
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for res in previous_reservations:
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for prev_instance in res.instances:
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running_instances.append(prev_instance)
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count_remaining = count_remaining - len(running_instances)
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# module.fail_json(msg = "known running instances: %s" % (running_instances))
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# 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.
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if count_remaining > 0:
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try:
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res = ec2.run_instances(image, key_name = key_name,
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client_token=id,
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min_count = count_remaining,
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max_count = count_remaining,
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monitoring_enabled = monitoring,
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security_groups = [group_name],
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instance_type = instance_type,
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kernel_id = kernel,
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ramdisk_id = ramdisk,
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subnet_id = vpc_subnet_id,
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private_ip_address = private_ip,
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user_data = user_data)
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except boto.exception.BotoServerError, e:
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module.fail_json(msg = "%s: %s" % (e.error_code, e.error_message))
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instids = [ i.id for i in res.instances ]
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while True:
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try:
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res.connection.get_all_instances(instids)
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break
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except boto.exception.EC2ResponseError as e:
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if "<Code>InvalidInstanceID.NotFound</Code>" in str(e):
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# there's a race between start and get an instance
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continue
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else:
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module.fail_json(msg = str(e))
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if instance_tags:
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try:
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ec2.create_tags(instids, module.from_json(instance_tags))
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except boto.exception.EC2ResponseError as e:
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module.fail_json(msg = "%s: %s" % (e.error_code, e.error_message))
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# wait here until the instances are up
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res_list = res.connection.get_all_instances(instids)
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this_res = res_list[0]
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num_running = 0
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wait_timeout = time.time() + wait_timeout
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while wait and wait_timeout > time.time() and num_running < len(instids):
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res_list = res.connection.get_all_instances(instids)
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this_res = res_list[0]
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num_running = len([ i for i in this_res.instances if i.state=='running' ])
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time.sleep(5)
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if wait and wait_timeout <= time.time():
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# waiting took too long
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module.fail_json(msg = "wait for instances running timeout on %s" % time.asctime())
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for inst in this_res.instances:
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running_instances.append(inst)
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instance_dict_array = []
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for inst in running_instances:
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d = {
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'id': inst.id,
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'ami_launch_index': inst.ami_launch_index,
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'private_ip': inst.private_ip_address,
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'private_dns_name': inst.private_dns_name,
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'public_ip': inst.ip_address,
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'dns_name': inst.dns_name,
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'public_dns_name': inst.public_dns_name,
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'state_code': inst.state_code,
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'architecture': inst.architecture,
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'image_id': inst.image_id,
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'key_name': inst.key_name,
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'virtualization_type': inst.virtualization_type,
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'placement': inst.placement,
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'kernel': inst.kernel,
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'ramdisk': inst.ramdisk,
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'launch_time': inst.launch_time,
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'instance_type': inst.instance_type,
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'root_device_type': inst.root_device_type,
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'root_device_name': inst.root_device_name,
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'state': inst.state,
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'hypervisor': inst.hypervisor
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}
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instance_dict_array.append(d)
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module.exit_json(changed=True, instances=instance_dict_array)
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# this is magic, see lib/ansible/module_common.py
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#<<INCLUDE_ANSIBLE_MODULE_COMMON>>
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main()
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