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Merge pull request #6419 from willthames/aws-autoscaling-with-token-and-profile

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Improvements to ec2 autoscaling modules
This commit is contained in:
Michael DeHaan 2014-03-28 11:26:53 -04:00
commit 344bbf3eea
2 changed files with 173 additions and 80 deletions
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137
library/cloud/ec2_asg
View file

@ -37,23 +37,27 @@ options:
load_balancers:
description:
- List of ELB names to use for the group
required: true
required: false
availability_zones:
description:
- List of availability zone names in which to create the group.
required: true
required: false
launch_config_name:
description:
- Name of the Launch configuration to use for the group. See the ec2_lc module for managing these.
required: true
required: false
min_size:
description:
- Minimum number of instances in group
required: true
required: false
max_size:
description:
- Maximum number of instances in group
required: true
required: false
desired_capacity:
description:
- Desired number of instances in group
required: false
aws_secret_key:
description:
- AWS secret key. If not set then the value of the AWS_SECRET_KEY environment variable is used.
@ -71,16 +75,23 @@ options:
- The AWS region to use. If not specified then the value of the EC2_REGION environment variable, if any, is used.
required: false
aliases: ['aws_region', 'ec2_region']
vpc_zone_identifier:
description:
- List of VPC subnets to use
required: false
default: None
"""
EXAMPLES = '''
- ec2_asg: >
- ec2_asg:
name: special
load_balancers: 'lb1,lb2'
availability_zones: 'eu-west-1a,eu-west-1b'
launch_config_name: 'lc-1'
min_size: 1
max_size: 10
desired_capacity: 5
vpc_zone_identifier: 'subnet-abcd1234,subnet-1a2b3c4d'
'''
import sys
@ -97,40 +108,72 @@ except ImportError:
print "failed=True msg='boto required for this module'"
sys.exit(1)
AWS_REGIONS = ['ap-northeast-1',
'ap-southeast-1',
'ap-southeast-2',
'eu-west-1',
'sa-east-1',
'us-east-1',
'us-west-1',
'us-west-2']
def enforce_required_arguments(module):
''' As many arguments are not required for autoscale group deletion
they cannot be mandatory arguments for the module, so we enforce
them here '''
missing_args = []
for arg in ('min_size', 'max_size', 'launch_config_name', 'availability_zones'):
if module.params[arg] is None:
missing_args.append(arg)
if missing_args:
module.fail_json(msg="Missing required arguments for autoscaling group create/update: %s" % ",".join(missing_args))
def create_autoscaling_group(connection, module):
enforce_required_arguments(module)
group_name = module.params.get('name')
load_balancers = module.params['load_balancers']
availability_zones = module.params['availability_zones']
launch_config_name = module.params.get('launch_config_name')
min_size = module.params.get('min_size')
max_size = module.params.get('max_size')
min_size = module.params['min_size']
max_size = module.params['max_size']
desired_capacity = module.params.get('desired_capacity')
vpc_zone_identifier = module.params.get('vpc_zone_identifier')
launch_configs = connection.get_all_launch_configurations(name=[launch_config_name])
launch_configs = connection.get_all_launch_configurations(names=[launch_config_name])
ag = AutoScalingGroup(
group_name=group_name,
load_balancers=load_balancers,
availability_zones=availability_zones,
launch_config=launch_configs[0],
min_size=min_size,
max_size=max_size,
connection=connection)
as_groups = connection.get_all_groups(names=[group_name])
try:
connection.create_auto_scaling_group(ag)
module.exit_json(changed=True)
except BotoServerError, e:
module.exit_json(changed=False, msg=str(e))
if not as_groups:
ag = AutoScalingGroup(
group_name=group_name,
load_balancers=load_balancers,
availability_zones=availability_zones,
launch_config=launch_configs[0],
min_size=min_size,
max_size=max_size,
desired_capacity=desired_capacity,
vpc_zone_identifier=vpc_zone_identifier,
connection=connection)
try:
connection.create_auto_scaling_group(ag)
module.exit_json(changed=True)
except BotoServerError, e:
module.fail_json(msg=str(e))
else:
as_group = as_groups[0]
changed = False
for attr in ('launch_config_name', 'max_size', 'min_size', 'desired_capacity',
'vpc_zone_identifier', 'availability_zones'):
if getattr(as_group, attr) != module.params.get(attr):
changed = True
setattr(as_group, attr, module.params.get(attr))
# handle loadbalancers separately because None != []
load_balancers = module.params.get('load_balancers') or []
if as_group.load_balancers != load_balancers:
changed = True
as_group.load_balancers = module.params.get('load_balancers')
try:
if changed:
as_group.update()
module.exit_json(changed=changed)
except BotoServerError, e:
module.fail_json(msg=str(e))
def delete_autoscaling_group(connection, module):
@ -156,35 +199,33 @@ def delete_autoscaling_group(connection, module):
def main():
module = AnsibleModule(
argument_spec = dict(
name = dict(required=True, type='str'),
load_balancers = dict(required=False, type='list'),
availability_zones = dict(required=True, type='list'),
launch_config_name = dict(required=True, type='str'),
min_size = dict(required=True, type='int'),
max_size = dict(required=True, type='int'),
state = dict(default='present', choices=['present', 'absent']),
region = dict(aliases=['aws_region', 'ec2_region'], choices=AWS_REGIONS),
ec2_url = dict(),
ec2_secret_key = dict(aliases=['aws_secret_key', 'secret_key'], no_log=True),
ec2_access_key = dict(aliases=['aws_access_key', 'access_key']),
argument_spec = ec2_argument_spec()
argument_spec.update(
dict(
name=dict(required=True, type='str'),
load_balancers=dict(type='list'),
availability_zones=dict(type='list'),
launch_config_name=dict(type='str'),
min_size=dict(type='int'),
max_size=dict(type='int'),
desired_capacity=dict(type='int'),
vpc_zone_identifier=dict(type='str'),
state=dict(default='present', choices=['present', 'absent']),
)
)
ec2_url, aws_access_key, aws_secret_key, region = get_ec2_creds(module)
module = AnsibleModule(argument_spec=argument_spec)
state = module.params.get('state')
region, ec2_url, aws_connect_params = get_aws_connection_info(module)
try:
connection = boto.ec2.autoscale.connect_to_region(region, aws_access_key_id=aws_access_key, aws_secret_access_key=aws_secret_key)
connection = connect_to_aws(boto.ec2.autoscale, region, **aws_connect_params)
except boto.exception.NoAuthHandlerFound, e:
module.fail_json(msg = str(e))
module.fail_json(msg=str(e))
if state == 'present':
create_autoscaling_group(connection, module)
elif state == 'absent':
delete_autoscaling_group(connection, module)
main()

116
library/cloud/ec2_lc
View file

@ -37,15 +37,15 @@ options:
image_id:
description:
- The AMI unique identifier to be used for the group
required: true
required: false
key_name:
description:
- The SSH key name to be used for access to managed instances
required: true
required: false
security_groups:
description:
- A list of security groups into which instances should be found
required: true
required: false
aws_secret_key:
description:
- AWS secret key. If not set then the value of the AWS_SECRET_KEY environment variable is used.
@ -63,6 +63,18 @@ options:
- The AWS region to use. If not specified then the value of the EC2_REGION environment variable, if any, is used.
required: false
aliases: ['aws_region', 'ec2_region']
volumes:
description:
- 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.
required: false
default: null
aliases: []
user_data:
description:
- opaque blob of data which is made available to the ec2 instance
required: false
default: null
aliases: []
"""
EXAMPLES = '''
@ -81,6 +93,7 @@ from ansible.module_utils.basic import *
from ansible.module_utils.ec2 import *
try:
from boto.ec2.blockdevicemapping import BlockDeviceType, BlockDeviceMapping
import boto.ec2.autoscale
from boto.ec2.autoscale import LaunchConfiguration
from boto.exception import BotoServerError
@ -88,14 +101,26 @@ except ImportError:
print "failed=True msg='boto required for this module'"
sys.exit(1)
AWS_REGIONS = ['ap-northeast-1',
'ap-southeast-1',
'ap-southeast-2',
'eu-west-1',
'sa-east-1',
'us-east-1',
'us-west-1',
'us-west-2']
def create_block_device(module, 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 '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'))
def create_launch_config(connection, module):
@ -103,23 +128,48 @@ def create_launch_config(connection, module):
image_id = module.params.get('image_id')
key_name = module.params.get('key_name')
security_groups = module.params['security_groups']
user_data = module.params.get('user_data')
volumes = module.params['volumes']
instance_type = module.params.get('instance_type')
bdm = BlockDeviceMapping()
if volumes:
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, volume)
lc = LaunchConfiguration(
name=name,
image_id=image_id,
key_name=key_name,
security_groups=security_groups)
security_groups=security_groups,
user_data=user_data,
block_device_mappings=[bdm],
instance_type=instance_type)
try:
connection.create_launch_configuration(lc)
module.exit_json(changed=True)
except BotoServerError, e:
module.exit_json(changed=False, msg=str(e))
launch_configs = connection.get_all_launch_configurations(names=[name])
changed = False
if not launch_configs:
try:
connection.create_launch_configuration(lc)
launch_configs = connection.get_all_launch_configurations(names=[name])
changed = True
except BotoServerError, e:
module.fail_json(msg=str(e))
result = launch_configs[0]
module.exit_json(changed=changed, name=result.name, created_time=str(result.created_time),
image_id=result.image_id, arn=result.launch_configuration_arn,
security_groups=result.security_groups, instance_type=instance_type)
def delete_launch_config(connection, module):
name = module.params.get('name')
launch_configs = connection.get_all_launch_configurations(name=[name])
launch_configs = connection.get_all_launch_configurations(names=[name])
if launch_configs:
launch_configs[0].delete()
module.exit_json(changed=True)
@ -128,26 +178,28 @@ def delete_launch_config(connection, module):
def main():
module = AnsibleModule(
argument_spec = dict(
name = dict(required=True, type='str'),
image_id = dict(required=True, type='str'),
key_name = dict(required=True, type='str'),
security_groups = dict(required=True, type='list'),
state = dict(default='present', choices=['present', 'absent']),
region = dict(aliases=['aws_region', 'ec2_region'], choices=AWS_REGIONS),
ec2_url = dict(),
ec2_secret_key = dict(aliases=['aws_secret_key', 'secret_key'], no_log=True),
ec2_access_key = dict(aliases=['aws_access_key', 'access_key']),
argument_spec = ec2_argument_spec()
argument_spec.update(
dict(
name=dict(required=True, type='str'),
image_id=dict(type='str'),
key_name=dict(type='str'),
security_groups=dict(type='list'),
user_data=dict(type='str'),
volumes=dict(type='list'),
instance_type=dict(type='str'),
state=dict(default='present', choices=['present', 'absent']),
)
)
ec2_url, aws_access_key, aws_secret_key, region = get_ec2_creds(module)
module = AnsibleModule(argument_spec=argument_spec)
region, ec2_url, aws_connect_params = get_aws_connection_info(module)
try:
connection = boto.ec2.autoscale.connect_to_region(region, aws_access_key_id=aws_access_key, aws_secret_access_key=aws_secret_key)
connection = connect_to_aws(boto.ec2.autoscale, region, **aws_connect_params)
except boto.exception.NoAuthHandlerFound, e:
module.fail_json(msg = str(e))
module.fail_json(msg=str(e))
state = module.params.get('state')