diff --git a/library/ec2_vol b/library/ec2_vol
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+#!/usr/bin/python -tt
+# This file is part of Ansible
+#
+# Ansible is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# Ansible is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with Ansible. If not, see .
+
+DOCUMENTATION = '''
+---
+module: ec2_vol
+short_description: create and attach a volume, return volume id and device map
+description:
+ - creates an EBS volume and optionally attaches it to an instance. This module has a dependency on python-boto
+version_added: "1.1"
+options:
+ instance:
+ description:
+ - instance ID if you wish to attach the volume.
+ required: false
+ default: null
+ aliases: []
+ volume_size:
+ description:
+ - size of volume (in GB) to create.
+ required: true
+ default: null
+ aliases: []
+ device_name:
+ description:
+ - device id to override device mapping. Assumes /dev/sdf for instance-store, /dev/sdb for EBS.
+ required: false
+ default: null
+ aliases: []
+ zone:
+ description:
+ - zone in which to create the volume, if unset uses the zone the instance is in (if set)
+ required: false
+ default: null
+ aliases: []
+examples:
+ - code: 'local_action: ec2_vol instance=XXXXXX volume_size=5 device_name=sdd'
+ description: "Simple playbook example"
+ - code: '- name: Launch instances
+ local_action: ec2 keypair=$keypair image=$image wait=true count=3
+ register: ec2
+ - name: Create volumes and attach
+ local_action: ec2_vol instance=${item.id} volume_size=5
+ with_items: ${ec2.instances}
+ register: ec2_vol'
+ description: "Advanced playbook example"
+requirements: [ "boto" ]
+author: Lester Wade
+'''
+
+import sys
+import time
+
+try:
+ import boto
+except ImportError:
+ print "failed=True msg='boto required for this module'"
+ sys.exit(1)
+
+def main():
+ module = AnsibleModule(
+ argument_spec = dict(
+ instance = dict(),
+ volume_size = dict(required=True),
+ device_name = dict(),
+ zone = dict(),
+ ec2_url = dict(aliases=['EC2_URL']),
+ ec2_secret_key = dict(aliases=['EC2_SECRET_KEY']),
+ ec2_access_key = dict(aliases=['EC2_ACCESS_KEY']),
+ )
+ )
+
+ instance = module.params.get('instance')
+ volume_size = module.params.get('volume_size')
+ device_name = module.params.get('device_name')
+ zone = module.params.get('zone')
+ ec2_url = module.params.get('ec2_url')
+ ec2_secret_key = module.params.get('ec2_secret_key')
+ ec2_access_key = module.params.get('ec2_access_key')
+
+ # allow eucarc environment variables to be used if ansible vars aren't set
+ if not ec2_url and 'EC2_URL' in os.environ:
+ ec2_url = os.environ['EC2_URL']
+ if not ec2_secret_key and 'EC2_SECRET_KEY' in os.environ:
+ ec2_secret_key = os.environ['EC2_SECRET_KEY']
+ if not ec2_access_key and 'EC2_ACCESS_KEY' in os.environ:
+ ec2_access_key = os.environ['EC2_ACCESS_KEY']
+
+ try:
+ if ec2_url: # if we have an URL set, connect to the specified endpoint
+ ec2 = boto.connect_ec2_endpoint(ec2_url, ec2_access_key, ec2_secret_key)
+ else: # otherwise it's Amazon.
+ ec2 = boto.connect_ec2(ec2_access_key, ec2_secret_key)
+ except boto.exception.NoAuthHandlerFound, e:
+ module.fail_json(msg = str(e))
+
+ # Here we need to get the zone info for the instance. This covers situation where
+ # instance is specified but zone isn't.
+ # Useful for playbooks chaining instance launch with volume create + attach and where the
+ # zone doesn't matter to the user.
+
+ if instance:
+ reservation = ec2.get_all_instances(instance_ids=instance)
+ inst = reservation[0].instances[0]
+ zone = inst.placement
+
+ # If no instance supplied, try volume creation based on module parameters.
+
+ try:
+ volume = ec2.create_volume(volume_size, zone)
+ while volume.status != 'available':
+ time.sleep(3)
+ volume.update()
+ except boto.exception.BotoServerError, e:
+ module.fail_json(msg = "%s: %s" % (e.error_code, e.error_message))
+
+ # Attach the created volume.
+
+ if device_name and instance:
+ try:
+ attach = volume.attach(inst.id, device_name)
+ while volume.attachment_state() != 'attached':
+ time.sleep(3)
+ volume.update()
+ except boto.exception.BotoServerError, e:
+ module.fail_json(msg = "%s: %s" % (e.error_code, e.error_message))
+
+ # If device_name isn't set, make a choice based on best practices here:
+ # http://docs.aws.amazon.com/AWSEC2/latest/UserGuide/block-device-mapping-concepts.html
+
+ # In future this needs to be more dynamic but combining block device mapping best practices
+ # (bounds for devices, as above) with instance.block_device_mapping data would be tricky. For me ;)
+
+ if device_name is None and instance:
+ try:
+ if inst.root_device_type != 'ebs':
+ device_name = '/dev/sdf'
+ attach = volume.attach(inst.id, device_name)
+ else:
+ device_name = '/dev/sdb'
+ attach = volume.attach(inst.id, device_name)
+ while volume.attachment_state() != 'attached':
+ time.sleep(3)
+ volume.update()
+ except boto.exception.BotoServerError, e:
+ module.fail_json(msg = "%s: %s" % (e.error_code, e.error_message))
+
+ print json.dumps({
+ "volume_id": volume.id,
+ "device": device_name
+ })
+ sys.exit(0)
+
+# this is magic, see lib/ansible/module_common.py
+#<>
+
+main()