#!/usr/bin/python # 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 . ANSIBLE_METADATA = {'status': ['stableinterface'], 'supported_by': 'committer', 'version': '1.0'} DOCUMENTATION = ''' --- module: ec2 short_description: create, terminate, start or stop an instance in ec2 description: - Creates or terminates ec2 instances. - C(state=restarted) was added in 2.2 version_added: "0.9" options: key_name: description: - key pair to use on the instance required: false default: null aliases: ['keypair'] id: version_added: "1.1" description: - identifier for this instance or set of instances, so that the module will be idempotent with respect to EC2 instances. This identifier is valid for at least 24 hours after the termination of the instance, and should not be reused for another call later on. For details, see the description of client token at U(http://docs.aws.amazon.com/AWSEC2/latest/UserGuide/Run_Instance_Idempotency.html). required: false default: null aliases: [] group: description: - security group (or list of groups) to use with the instance required: false default: null aliases: [ 'groups' ] group_id: version_added: "1.1" description: - security group id (or list of ids) to use with the instance required: false default: null aliases: [] region: version_added: "1.2" description: - 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) required: false default: null aliases: [ 'aws_region', 'ec2_region' ] zone: version_added: "1.2" description: - AWS availability zone in which to launch the instance required: false default: null aliases: [ 'aws_zone', 'ec2_zone' ] instance_type: description: - instance type to use for the instance, see U(http://docs.aws.amazon.com/AWSEC2/latest/UserGuide/instance-types.html) required: true default: null aliases: [] tenancy: version_added: "1.9" description: - 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. required: false default: default choices: [ "default", "dedicated" ] aliases: [] spot_price: version_added: "1.5" description: - 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. required: false default: null aliases: [] spot_type: version_added: "2.0" description: - Type of spot request; one of "one-time" or "persistent". Defaults to "one-time" if not supplied. required: false default: "one-time" choices: [ "one-time", "persistent" ] aliases: [] image: description: - I(ami) ID to use for the instance required: true default: null aliases: [] kernel: description: - kernel I(eki) to use for the instance required: false default: null aliases: [] ramdisk: description: - ramdisk I(eri) to use for the instance required: false default: null aliases: [] wait: description: - wait for the instance to reach its desired state before returning. Does not wait for SSH, see 'wait_for' example for details. required: false default: "no" choices: [ "yes", "no" ] aliases: [] wait_timeout: description: - how long before wait gives up, in seconds default: 300 aliases: [] spot_wait_timeout: version_added: "1.5" description: - how long to wait for the spot instance request to be fulfilled default: 600 aliases: [] count: description: - number of instances to launch required: False default: 1 aliases: [] monitoring: version_added: "1.1" description: - enable detailed monitoring (CloudWatch) for instance required: false default: null choices: [ "yes", "no" ] aliases: [] user_data: version_added: "0.9" description: - opaque blob of data which is made available to the ec2 instance required: false default: null aliases: [] instance_tags: version_added: "1.0" description: - a hash/dictionary of tags to add to the new instance or for starting/stopping instance by tag; '{"key":"value"}' and '{"key":"value","key":"value"}' required: false default: null aliases: [] placement_group: version_added: "1.3" description: - placement group for the instance when using EC2 Clustered Compute required: false default: null aliases: [] vpc_subnet_id: version_added: "1.1" description: - the subnet ID in which to launch the instance (VPC) required: false default: null aliases: [] assign_public_ip: version_added: "1.5" description: - when provisioning within vpc, assign a public IP address. Boto library must be 2.13.0+ required: false default: null choices: [ "yes", "no" ] aliases: [] private_ip: version_added: "1.2" description: - the private ip address to assign the instance (from the vpc subnet) required: false default: null aliases: [] instance_profile_name: version_added: "1.3" description: - Name of the IAM instance profile to use. Boto library must be 2.5.0+ required: false default: null aliases: [] instance_ids: version_added: "1.3" description: - "list of instance ids, currently used for states: absent, running, stopped" required: false default: null aliases: ['instance_id'] source_dest_check: version_added: "1.6" description: - Enable or Disable the Source/Destination checks (for NAT instances and Virtual Routers) required: false default: yes choices: [ "yes", "no" ] termination_protection: version_added: "2.0" description: - Enable or Disable the Termination Protection required: false default: no choices: [ "yes", "no" ] instance_initiated_shutdown_behavior: version_added: "2.2" description: - Set whether AWS will Stop or Terminate an instance on shutdown required: false default: 'stop' choices: [ "stop", "terminate" ] state: version_added: "1.3" description: - create or terminate instances required: false default: 'present' aliases: [] choices: ['present', 'absent', 'running', 'restarted', 'stopped'] volumes: version_added: "1.5" description: - a list of hash/dictionaries of volumes to add to the new instance; '[{"key":"value", "key":"value"}]'; keys allowed are - device_name (str; required), delete_on_termination (bool; False), device_type (deprecated), ephemeral (str), encrypted (bool; False), snapshot (str), volume_type (str), iops (int) - device_type is deprecated use volume_type, iops must be set when volume_type='io1', ephemeral and snapshot are mutually exclusive. required: false default: null aliases: [] ebs_optimized: version_added: "1.6" description: - whether instance is using optimized EBS volumes, see U(http://docs.aws.amazon.com/AWSEC2/latest/UserGuide/EBSOptimized.html) required: false default: 'false' exact_count: version_added: "1.5" description: - 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. required: false default: null aliases: [] count_tag: version_added: "1.5" description: - 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". The specified tag must already exist or be passed in as the 'instance_tags' option. required: false default: null aliases: [] network_interfaces: version_added: "2.0" description: - 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.) required: false default: null aliases: ['network_interface'] spot_launch_group: version_added: "2.1" description: - Launch group for spot request, see U(http://docs.aws.amazon.com/AWSEC2/latest/UserGuide/how-spot-instances-work.html#spot-launch-group) required: false default: null author: - "Tim Gerla (@tgerla)" - "Lester Wade (@lwade)" - "Seth Vidal" extends_documentation_fragment: aws ''' EXAMPLES = ''' # Note: These examples do not set authentication details, see the AWS Guide for details. # Basic provisioning example - ec2: key_name: mykey instance_type: t2.micro image: ami-123456 wait: yes group: webserver count: 3 vpc_subnet_id: subnet-29e63245 assign_public_ip: yes # Advanced example with tagging and CloudWatch - ec2: key_name: mykey group: databases instance_type: t2.micro image: ami-123456 wait: yes wait_timeout: 500 count: 5 instance_tags: db: postgres monitoring: yes vpc_subnet_id: subnet-29e63245 assign_public_ip: yes # Single instance with additional IOPS volume from snapshot and volume delete on termination - ec2: key_name: mykey group: webserver instance_type: c3.medium image: ami-123456 wait: yes wait_timeout: 500 volumes: - device_name: /dev/sdb snapshot: snap-abcdef12 volume_type: io1 iops: 1000 volume_size: 100 delete_on_termination: true monitoring: yes vpc_subnet_id: subnet-29e63245 assign_public_ip: yes # Single instance with ssd gp2 root volume - ec2: key_name: mykey group: webserver instance_type: c3.medium image: ami-123456 wait: yes wait_timeout: 500 volumes: - device_name: /dev/xvda volume_type: gp2 volume_size: 8 vpc_subnet_id: subnet-29e63245 assign_public_ip: yes exact_count: 1 # Multiple groups example - ec2: key_name: mykey group: ['databases', 'internal-services', 'sshable', 'and-so-forth'] instance_type: m1.large image: ami-6e649707 wait: yes wait_timeout: 500 count: 5 instance_tags: db: postgres monitoring: yes vpc_subnet_id: subnet-29e63245 assign_public_ip: yes # Multiple instances with additional volume from snapshot - ec2: key_name: mykey group: webserver instance_type: m1.large image: ami-6e649707 wait: yes wait_timeout: 500 count: 5 volumes: - device_name: /dev/sdb snapshot: snap-abcdef12 volume_size: 10 monitoring: yes vpc_subnet_id: subnet-29e63245 assign_public_ip: yes # Dedicated tenancy example - local_action: module: ec2 assign_public_ip: yes group_id: sg-1dc53f72 key_name: mykey image: ami-6e649707 instance_type: m1.small tenancy: dedicated vpc_subnet_id: subnet-29e63245 wait: yes # Spot instance example - ec2: spot_price: 0.24 spot_wait_timeout: 600 keypair: mykey group_id: sg-1dc53f72 instance_type: m1.small image: ami-6e649707 wait: yes vpc_subnet_id: subnet-29e63245 assign_public_ip: yes spot_launch_group: report_generators # Examples using pre-existing network interfaces - ec2: key_name: mykey instance_type: t2.small image: ami-f005ba11 network_interface: eni-deadbeef - ec2: key_name: mykey instance_type: t2.small image: ami-f005ba11 network_interfaces: ['eni-deadbeef', 'eni-5ca1ab1e'] # Launch instances, runs some tasks # and then terminate them - name: Create a sandbox instance hosts: localhost gather_facts: False vars: key_name: my_keypair instance_type: m1.small security_group: my_securitygroup image: my_ami_id region: us-east-1 tasks: - name: Launch instance ec2: key_name: "{{ keypair }}" group: "{{ security_group }}" instance_type: "{{ instance_type }}" image: "{{ image }}" wait: true region: "{{ region }}" vpc_subnet_id: subnet-29e63245 assign_public_ip: yes register: ec2 - name: Add new instance to host group add_host: hostname: "{{ item.public_ip }}" groupname: launched with_items: "{{ ec2.instances }}" - name: Wait for SSH to come up wait_for: host: "{{ item.public_dns_name }}" port: 22 delay: 60 timeout: 320 state: started with_items: "{{ ec2.instances }}" - name: Configure instance(s) hosts: launched become: True gather_facts: True roles: - my_awesome_role - my_awesome_test - name: Terminate instances hosts: localhost connection: local tasks: - name: Terminate instances that were previously launched ec2: state: 'absent' instance_ids: '{{ ec2.instance_ids }}' # Start a few existing instances, run some tasks # and stop the instances - name: Start sandbox instances hosts: localhost gather_facts: false connection: local vars: instance_ids: - 'i-xxxxxx' - 'i-xxxxxx' - 'i-xxxxxx' region: us-east-1 tasks: - name: Start the sandbox instances ec2: instance_ids: '{{ instance_ids }}' region: '{{ region }}' state: running wait: True vpc_subnet_id: subnet-29e63245 assign_public_ip: yes roles: - do_neat_stuff - do_more_neat_stuff - name: Stop sandbox instances hosts: localhost gather_facts: false connection: local vars: instance_ids: - 'i-xxxxxx' - 'i-xxxxxx' - 'i-xxxxxx' region: us-east-1 tasks: - name: Stop the sandbox instances ec2: instance_ids: '{{ instance_ids }}' region: '{{ region }}' state: stopped wait: True vpc_subnet_id: subnet-29e63245 assign_public_ip: yes # # Start stopped instances specified by tag # - local_action: module: ec2 instance_tags: Name: ExtraPower state: running # # Restart instances specified by tag # - local_action: module: ec2 instance_tags: Name: ExtraPower state: restarted # # Enforce that 5 instances with a tag "foo" are running # (Highly recommended!) # - ec2: key_name: mykey instance_type: c1.medium image: ami-40603AD1 wait: yes group: webserver instance_tags: foo: bar exact_count: 5 count_tag: foo vpc_subnet_id: subnet-29e63245 assign_public_ip: yes # # Enforce that 5 running instances named "database" with a "dbtype" of "postgres" # - ec2: key_name: mykey instance_type: c1.medium image: ami-40603AD1 wait: yes group: webserver instance_tags: Name: database dbtype: postgres exact_count: 5 count_tag: Name: database dbtype: postgres vpc_subnet_id: subnet-29e63245 assign_public_ip: yes # # count_tag complex argument examples # # instances with tag foo count_tag: foo: # instances with tag foo=bar count_tag: foo: bar # instances with tags foo=bar & baz count_tag: foo: bar baz: # instances with tags foo & bar & baz=bang count_tag: - foo - bar - baz: bang ''' import time from ast import literal_eval from ansible.module_utils.six import iteritems from ansible.module_utils.six import get_function_code from distutils.version import LooseVersion 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 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: if isinstance(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 isinstance(tags, str): try: tags = literal_eval(tags) except: pass # if string, we only care that a tag of that name exists if isinstance(tags, str): filters.update({"tag-key": tags}) # if list, append each item to filters if isinstance(tags, list): for x in tags: if isinstance(x, dict): x = _set_none_to_blank(x) filters.update(dict(("tag:"+tn, tv) for (tn,tv) in iteritems(x))) else: filters.update({"tag-key": x}) # if dict, add the key and value to the filter if isinstance(tags, dict): tags = _set_none_to_blank(tags) filters.update(dict(("tag:"+tn, tv) for (tn,tv) in iteritems(tags))) 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 get_function_code(run_instances_method).co_varnames def boto_supports_volume_encryption(): """ Check if Boto library supports encryption of EBS volumes (added in 2.29.0) Returns: True if boto library has the named param as an argument on the request_spot_instances method, else False """ return hasattr(boto, 'Version') and LooseVersion(boto.Version) >= LooseVersion('2.29.0') 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 # device_type has been used historically to represent volume_type, # however ec2_vol uses volume_type, as does the BlockDeviceType, so # we add handling for either/or but not both if all(key in volume for key in ['device_type','volume_type']): module.fail_json(msg = 'device_type is a deprecated name for volume_type. Do not use both device_type and volume_type') # get whichever one is set, or NoneType if neither are set volume_type = volume.get('device_type') or volume.get('volume_type') 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 volume_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 encryption 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') if boto_supports_volume_encryption(): return BlockDeviceType(snapshot_id=volume.get('snapshot'), ephemeral_name=volume.get('ephemeral'), size=volume.get('volume_size'), volume_type=volume_type, delete_on_termination=volume.get('delete_on_termination', False), iops=volume.get('iops'), encrypted=volume.get('encrypted', None)) else: return BlockDeviceType(snapshot_id=volume.get('snapshot'), ephemeral_name=volume.get('ephemeral'), size=volume.get('volume_size'), volume_type=volume_type, delete_on_termination=volume.get('delete_on_termination', False), iops=volume.get('iops')) def boto_supports_param_in_spot_request(ec2, param): """ Check if Boto library has a 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 get_function_code(method).co_varnames def await_spot_requests(module, ec2, spot_requests, count): """ Wait for a group of spot requests to be fulfilled, or fail. module: Ansible module object ec2: authenticated ec2 connection object spot_requests: boto.ec2.spotinstancerequest.SpotInstanceRequest object returned by ec2.request_spot_instances count: Total number of instances to be created by the spot requests Returns: list of instance ID's created by the spot request(s) """ spot_wait_timeout = int(module.params.get('spot_wait_timeout')) wait_complete = time.time() + spot_wait_timeout spot_req_inst_ids = dict() while time.time() < wait_complete: reqs = ec2.get_all_spot_instance_requests() for sirb in spot_requests: if sirb.id in spot_req_inst_ids: continue for sir in reqs: if sir.id != sirb.id: continue # this is not our spot instance if sir.instance_id is not None: spot_req_inst_ids[sirb.id] = sir.instance_id elif sir.state == 'open': continue # still waiting, nothing to do here elif sir.state == 'active': continue # Instance is created already, nothing to do here elif sir.state == 'failed': module.fail_json(msg="Spot instance request %s failed with status %s and fault %s:%s" % ( sir.id, sir.status.code, sir.fault.code, sir.fault.message)) elif sir.state == 'cancelled': module.fail_json(msg="Spot instance request %s was cancelled before it could be fulfilled." % sir.id) elif sir.state == 'closed': # instance is terminating or marked for termination # this may be intentional on the part of the operator, # or it may have been terminated by AWS due to capacity, # price, or group constraints in this case, we'll fail # the module if the reason for the state is anything # other than termination by user. Codes are documented at # http://docs.aws.amazon.com/AWSEC2/latest/UserGuide/spot-bid-status.html if sir.status.code == 'instance-terminated-by-user': # do nothing, since the user likely did this on purpose pass else: spot_msg = "Spot instance request %s was closed by AWS with the status %s and fault %s:%s" module.fail_json(msg=spot_msg % (sir.id, sir.status.code, sir.fault.code, sir.fault.message)) if len(spot_req_inst_ids) < count: time.sleep(5) else: return spot_req_inst_ids.values() module.fail_json(msg = "wait for spot requests timeout on %s" % time.asctime()) 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 not isinstance(inst, 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') spot_launch_group = module.params.get('spot_launch_group') instance_initiated_shutdown_behavior = module.params.get('instance_initiated_shutdown_behavior') # 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)")) 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] unmatched = set(group_name).difference(str(grp.name) for grp in grp_details) if len(unmatched) > 0: module.fail_json(msg="The following group names are not valid: %s" % ', '.join(unmatched)) 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 as e: module.fail_json(msg = str(e)) # Lookup any instances that much our run id. running_instances = [] count_remaining = int(count) if id is not 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 request 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: if isinstance(network_interfaces, basestring): network_interfaces = [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, )) # For ordinary (not spot) instances, we can select 'stop' # (the default) or 'terminate' here. params['instance_initiated_shutdown_behavior'] = instance_initiated_shutdown_behavior or 'stop' 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 "InvalidInstanceID.NotFound" 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.") # You can't tell spot instances to 'stop'; they will always be # 'terminate'd. For convenience, we'll ignore the latter value. if instance_initiated_shutdown_behavior and instance_initiated_shutdown_behavior != 'terminate': module.fail_json( msg="instance_initiated_shutdown_behavior=stop is not supported for spot instances.") if spot_launch_group and isinstance(spot_launch_group, basestring): params['launch_group'] = spot_launch_group 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: instids = await_spot_requests(module, ec2, res, count) except boto.exception.BotoServerError as 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 as 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 as 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: }, ..] 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 as 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 = sum([len(res.instances) for res in response]) except Exception as 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: }, ..] 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')) source_dest_check = module.params.get('source_dest_check') termination_protection = module.params.get('termination_protection') 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 existing_instances_array = [] for res in ec2.get_all_instances(instance_ids, filters=filters): for inst in res.instances: # Check "source_dest_check" attribute try: if inst.vpc_id is not None and inst.get_attribute('sourceDestCheck')['sourceDestCheck'] != source_dest_check: inst.modify_attribute('sourceDestCheck', source_dest_check) changed = True except boto.exception.EC2ResponseError as exc: # instances with more than one Elastic Network Interface will # fail, because they have the sourceDestCheck attribute defined # per-interface if exc.code == 'InvalidInstanceID': for interface in inst.interfaces: if interface.source_dest_check != source_dest_check: ec2.modify_network_interface_attribute(interface.id, "sourceDestCheck", source_dest_check) changed = True else: module.fail_json(msg='Failed to handle source_dest_check state for instance {0}, error: {1}'.format(inst.id, exc), exception=traceback.format_exc()) # Check "termination_protection" attribute if (inst.get_attribute('disableApiTermination')['disableApiTermination'] != termination_protection and termination_protection is not None): 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 as e: module.fail_json(msg='Unable to change state for instance {0}, error: {1}'.format(inst.id, e)) changed = True existing_instances_array.append(inst.id) instance_ids = list(set(existing_instances_array + (instance_ids or []))) ## 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 restart_instances(module, ec2, instance_ids, state, instance_tags): """ Restarts 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: }, ..] instance_tags: A dict of tag keys and values in the form of {key: value, ... } state: Intended state ("restarted") Returns a dictionary of instance information about the instances. If the instance was not able to change state, "changed" will be set to False. Wait will not apply here as this is a OS level operation. Note that if instance_ids and instance_tags are both non-empty, this method will process the intersection of the two. """ source_dest_check = module.params.get('source_dest_check') termination_protection = module.params.get('termination_protection') 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 for res in ec2.get_all_instances(instance_ids, filters=filters): for inst in res.instances: # Check "source_dest_check" attribute try: if inst.vpc_id is not None and inst.get_attribute('sourceDestCheck')['sourceDestCheck'] != source_dest_check: inst.modify_attribute('sourceDestCheck', source_dest_check) changed = True except boto.exception.EC2ResponseError as exc: # instances with more than one Elastic Network Interface will # fail, because they have the sourceDestCheck attribute defined # per-interface if exc.code == 'InvalidInstanceID': for interface in inst.interfaces: if interface.source_dest_check != source_dest_check: ec2.modify_network_interface_attribute(interface.id, "sourceDestCheck", source_dest_check) changed = True else: module.fail_json(msg='Failed to handle source_dest_check state for instance {0}, error: {1}'.format(inst.id, exc), exception=traceback.format_exc()) # Check "termination_protection" attribute if (inst.get_attribute('disableApiTermination')['disableApiTermination'] != termination_protection and termination_protection is not None): inst.modify_attribute('disableApiTermination', termination_protection) changed = True # Check instance state if inst.state != state: instance_dict_array.append(get_instance_info(inst)) try: inst.reboot() except EC2ResponseError as e: module.fail_json(msg='Unable to change state for instance {0}, error: {1}'.format(inst.id, e)) changed = True 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"]), spot_launch_group = dict(), 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=None), state = dict(default='present', choices=['present', 'absent', 'running', 'restarted', 'stopped']), instance_initiated_shutdown_behavior=dict(default=None, choices=['stop', 'terminate']), 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', aliases=['network_interface']) ) ) module = AnsibleModule( argument_spec=argument_spec, mutually_exclusive = [ ['exact_count', 'count'], ['exact_count', 'state'], ['exact_count', 'instance_ids'], ['network_interfaces', 'assign_public_ip'], ['network_interfaces', 'group'], ['network_interfaces', 'group_id'], ['network_interfaces', 'private_ip'], ['network_interfaces', 'vpc_subnet_id'], ], ) 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 = connect_to_aws(boto.vpc, region, **aws_connect_kwargs) except boto.exception.NoAuthHandlerFound as 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 in ('restarted'): 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) = restart_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 * if __name__ == '__main__': main()