Merge pull request #6540 from Zeekin/devel
Add cloud modules ec2_scaling_policy and ec2_metricalarm
This commit is contained in:
Michael DeHaan
commit
5a5a9574e6
2 changed files with 449 additions and 0 deletions
268
library/cloud/ec2_metricalarm
Normal file
268
library/cloud/ec2_metricalarm
Normal file
|
|
@ -0,0 +1,268 @@
|
||||||
|
#!/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 <http://www.gnu.org/licenses/>.
|
||||||
|
|
||||||
|
DOCUMENTATION = """
|
||||||
|
|
||||||
|
---
|
||||||
|
module: ec2_metricalarm
|
||||||
|
short_description: Create/update or delete AWS Cloudwatch 'metric alarms'
|
||||||
|
description:
|
||||||
|
- Can create or delete AWS metric alarms
|
||||||
|
- Metrics you wish to alarm on must already exist
|
||||||
|
version_added: "1.6"
|
||||||
|
requirements: [ "boto" ]
|
||||||
|
author: Zacharie Eakin
|
||||||
|
options:
|
||||||
|
state:
|
||||||
|
description:
|
||||||
|
- register or deregister the alarm
|
||||||
|
required: true
|
||||||
|
choices: ['present', 'absent']
|
||||||
|
name:
|
||||||
|
desciption:
|
||||||
|
- Unique name for the alarm
|
||||||
|
required: true
|
||||||
|
metric:
|
||||||
|
description:
|
||||||
|
- Name of the monitored metric (e.g. CPUUtilization)
|
||||||
|
- Metric must already exist
|
||||||
|
required: false
|
||||||
|
namespace:
|
||||||
|
description:
|
||||||
|
- Name of the appropriate namespace, which determines the category it will appear under in cloudwatch
|
||||||
|
required: false
|
||||||
|
options: ['AWS/AutoScaling','AWS/Billing','AWS/DynamoDB','AWS/ElastiCache','AWS/EBS','AWS/EC2','AWS/ELB','AWS/ElasticMapReduce','AWS/OpsWorks','AWS/Redshift','AWS/RDS','AWS/Route53','AWS/SNS','AWS/SQS','AWS/StorageGateway']
|
||||||
|
statistic:
|
||||||
|
description:
|
||||||
|
- Operation applied to the metric
|
||||||
|
- Works in conjunction with period and evaluation_periods to determine the comparison value
|
||||||
|
required: false
|
||||||
|
options: ['SampleCount','Average','Sum','Minimum','Maximum']
|
||||||
|
comparison:
|
||||||
|
description:
|
||||||
|
- Determines how the threshold value is compared
|
||||||
|
required: false
|
||||||
|
options: ['<=','<','>','>=']
|
||||||
|
threshold:
|
||||||
|
description:
|
||||||
|
- Sets the min/max bound for triggering the alarm
|
||||||
|
required: false
|
||||||
|
period:
|
||||||
|
description:
|
||||||
|
- The time (in seconds) between metric evaluations
|
||||||
|
required: false
|
||||||
|
evaluation_periods:
|
||||||
|
description:
|
||||||
|
- The number of times in which the metric is evaluated before final calculation
|
||||||
|
required: false
|
||||||
|
unit:
|
||||||
|
description:
|
||||||
|
- The threshold's unit of measurement
|
||||||
|
required: false
|
||||||
|
options: ['Seconds','Microseconds','Milliseconds','Bytes','Kilobytes','Megabytes','Gigabytes','Terabytes','Bits','Kilobits','Megabits','Gigabits','Terabits','Percent','Count','Bytes/Second','Kilobytes/Second','Megabytes/Second','Gigabytes/Second','Terabytes/Second','Bits/Second','Kilobits/Second','Megabits/Second','Gigabits/Second','Terabits/Second','Count/Second','None']
|
||||||
|
description:
|
||||||
|
description:
|
||||||
|
- A longer desciption of the alarm
|
||||||
|
required: false
|
||||||
|
dimensions:
|
||||||
|
description:
|
||||||
|
- Describes to what the alarm is applied
|
||||||
|
required: false
|
||||||
|
alarm_actions:
|
||||||
|
description:
|
||||||
|
- A list of the names action(s) taken when the alarm is in the 'alarm' status
|
||||||
|
required: false
|
||||||
|
insufficient_data_actions:
|
||||||
|
description:
|
||||||
|
- A list of the names of action(s) to take when the alarm is in the 'insufficient_data' status
|
||||||
|
required: false
|
||||||
|
ok_actions:
|
||||||
|
description:
|
||||||
|
- A list of the names of action(s) to take when the alarm is in the 'ok' status
|
||||||
|
required: false
|
||||||
|
|
||||||
|
---
|
||||||
|
"""
|
||||||
|
|
||||||
|
EXAMPLES = '''
|
||||||
|
- name: create alarm
|
||||||
|
ec2_metricalarm:
|
||||||
|
state: present
|
||||||
|
region: ap-southeast-2
|
||||||
|
name: "cpu-low"
|
||||||
|
metric: "CPUUtilization"
|
||||||
|
namespace: "AWS/EC2"
|
||||||
|
statistic: Average
|
||||||
|
comparison: "<="
|
||||||
|
threshold: 5.0
|
||||||
|
period: 300
|
||||||
|
evaluation_periods: 3
|
||||||
|
unit: "Percent"
|
||||||
|
description: "This will alarm when a bamboo slave's cpu usage average is lower than 5% for 15 minutes "
|
||||||
|
dimensions: {'InstanceId':'i-XXX'}
|
||||||
|
alarm_actions: ["action1","action2"]
|
||||||
|
|
||||||
|
|
||||||
|
'''
|
||||||
|
|
||||||
|
import sys
|
||||||
|
|
||||||
|
from ansible.module_utils.basic import *
|
||||||
|
from ansible.module_utils.ec2 import *
|
||||||
|
|
||||||
|
try:
|
||||||
|
import boto.ec2.cloudwatch
|
||||||
|
from boto.ec2.cloudwatch import CloudWatchConnection, MetricAlarm
|
||||||
|
from boto.exception import BotoServerError
|
||||||
|
except ImportError:
|
||||||
|
print "failed=True msg='boto required for this module'"
|
||||||
|
sys.exit(1)
|
||||||
|
|
||||||
|
|
||||||
|
def create_metric_alarm(connection, module):
|
||||||
|
|
||||||
|
name = module.params.get('name')
|
||||||
|
metric = module.params.get('metric')
|
||||||
|
namespace = module.params.get('namespace')
|
||||||
|
statistic = module.params.get('statistic')
|
||||||
|
comparison = module.params.get('comparison')
|
||||||
|
threshold = module.params.get('threshold')
|
||||||
|
period = module.params.get('period')
|
||||||
|
evaluation_periods = module.params.get('evaluation_periods')
|
||||||
|
unit = module.params.get('unit')
|
||||||
|
description = module.params.get('description')
|
||||||
|
dimensions = module.params.get('dimensions')
|
||||||
|
alarm_actions = module.params.get('alarm_actions')
|
||||||
|
insufficient_data_actions = module.params.get('insufficient_data_actions')
|
||||||
|
ok_actions = module.params.get('ok_actions')
|
||||||
|
|
||||||
|
alarms = connection.describe_alarms(alarm_names=[name])
|
||||||
|
|
||||||
|
if not alarms:
|
||||||
|
|
||||||
|
alm = MetricAlarm(
|
||||||
|
name=name,
|
||||||
|
metric=metric,
|
||||||
|
namespace=namespace,
|
||||||
|
statistic=statistic,
|
||||||
|
comparison=comparison,
|
||||||
|
threshold=threshold,
|
||||||
|
period=period,
|
||||||
|
evaluation_periods=evaluation_periods,
|
||||||
|
unit=unit,
|
||||||
|
description=description,
|
||||||
|
dimensions=dimensions,
|
||||||
|
alarm_actions=alarm_actions,
|
||||||
|
insufficient_data_actions=insufficient_data_actions,
|
||||||
|
ok_actions=ok_actions
|
||||||
|
)
|
||||||
|
try:
|
||||||
|
connection.create_alarm(alm)
|
||||||
|
module.exit_json(changed=True)
|
||||||
|
except BotoServerError, e:
|
||||||
|
module.fail_json(msg=str(e))
|
||||||
|
|
||||||
|
else:
|
||||||
|
alarm = alarms[0]
|
||||||
|
changed = False
|
||||||
|
|
||||||
|
for attr in ('comparison','metric','namespace','statistic','threshold','period','evaluation_periods','unit','description'):
|
||||||
|
if getattr(alarm, attr) != module.params.get(attr):
|
||||||
|
changed = True
|
||||||
|
setattr(alarm, attr, module.params.get(attr))
|
||||||
|
#this is to deal with a current bug where you cannot assign '<=>' to the comparator when modifying an existing alarm
|
||||||
|
comparison = alarm.comparison
|
||||||
|
comparisons = {'<=' : 'LessThanOrEqualToThreshold', '<' : 'LessThanThreshold', '>=' : 'GreaterThanOrEqualToThreshold', '>' : 'GreaterThanThreshold'}
|
||||||
|
alarm.comparison = comparisons[comparison]
|
||||||
|
|
||||||
|
dim1 = module.params.get('dimensions')
|
||||||
|
dim2 = alarm.dimensions
|
||||||
|
|
||||||
|
for keys in dim1:
|
||||||
|
if not isinstance(dim1[keys], list):
|
||||||
|
dim1[keys] = [dim1[keys]]
|
||||||
|
if dim1[keys] != dim2[keys]:
|
||||||
|
changed=True
|
||||||
|
setattr(alarm, 'dimensions', dim1)
|
||||||
|
|
||||||
|
for attr in ('alarm_actions','insufficient_data_actions','ok_actions'):
|
||||||
|
action = module.params.get(attr) or []
|
||||||
|
if getattr(alarm, attr) != action:
|
||||||
|
changed = True
|
||||||
|
setattr(alarm, attr, module.params.get(attr))
|
||||||
|
|
||||||
|
try:
|
||||||
|
if changed:
|
||||||
|
connection.create_alarm(alarm)
|
||||||
|
module.exit_json(changed=changed)
|
||||||
|
except BotoServerError, e:
|
||||||
|
module.fail_json(msg=str(e))
|
||||||
|
|
||||||
|
|
||||||
|
def delete_metric_alarm(connection, module):
|
||||||
|
name = module.params.get('name')
|
||||||
|
|
||||||
|
alarms = connection.describe_alarms(alarm_names=[name])
|
||||||
|
|
||||||
|
if alarms:
|
||||||
|
try:
|
||||||
|
connection.delete_alarms([name])
|
||||||
|
module.exit_json(changed=True)
|
||||||
|
except BotoServerError, e:
|
||||||
|
module.fail_json(msg=str(e))
|
||||||
|
else:
|
||||||
|
module.exit_json(changed=False)
|
||||||
|
|
||||||
|
|
||||||
|
def main():
|
||||||
|
argument_spec = ec2_argument_spec()
|
||||||
|
argument_spec.update(
|
||||||
|
dict(
|
||||||
|
name=dict(required=True, type='str'),
|
||||||
|
metric=dict(type='str'),
|
||||||
|
namespace=dict(type='str', choices=['AWS/AutoScaling', 'AWS/Billing', 'AWS/DynamoDB', 'AWS/ElastiCache', 'AWS/EBS', 'AWS/EC2',
|
||||||
|
'AWS/ELB', 'AWS/ElasticMapReduce', 'AWS/OpsWorks', 'AWS/Redshift', 'AWS/RDS', 'AWS/Route53', 'AWS/SNS', 'AWS/SQS', 'AWS/StorageGateway']), statistic=dict(type='str', choices=['SampleCount', 'Average', 'Sum', 'Minimum', 'Maximum']),
|
||||||
|
comparison=dict(type='str', choices=['<=', '<', '>', '>=']),
|
||||||
|
threshold=dict(type='float'),
|
||||||
|
period=dict(type='int'),
|
||||||
|
unit=dict(type='str', choices=['Seconds', 'Microseconds', 'Milliseconds', 'Bytes', 'Kilobytes', 'Megabytes', 'Gigabytes', 'Terabytes', 'Bits', 'Kilobits', 'Megabits', 'Gigabits', 'Terabits', 'Percent', 'Count', 'Bytes/Second', 'Kilobytes/Second', 'Megabytes/Second', 'Gigabytes/Second', 'Terabytes/Second', 'Bits/Second', 'Kilobits/Second', 'Megabits/Second', 'Gigabits/Second', 'Terabits/Second', 'Count/Second', 'None']),
|
||||||
|
evaluation_periods=dict(type='int'),
|
||||||
|
description=dict(type='str'),
|
||||||
|
dimensions=dict(type='dict'),
|
||||||
|
alarm_actions=dict(type='list'),
|
||||||
|
insufficient_data_actions=dict(type='list'),
|
||||||
|
ok_actions=dict(type='list'),
|
||||||
|
state=dict(default='present', choices=['present', 'absent']),
|
||||||
|
region=dict(aliases=['aws_region', 'ec2_region'], choices=AWS_REGIONS),
|
||||||
|
)
|
||||||
|
)
|
||||||
|
|
||||||
|
module = AnsibleModule(argument_spec=argument_spec)
|
||||||
|
|
||||||
|
state = module.params.get('state')
|
||||||
|
|
||||||
|
region, ec2_url, aws_connect_params = get_aws_connection_info(module)
|
||||||
|
try:
|
||||||
|
connection = connect_to_aws(boto.ec2.cloudwatch, region, **aws_connect_params)
|
||||||
|
except boto.exception.NoAuthHandlerFound, e:
|
||||||
|
module.fail_json(msg=str(e))
|
||||||
|
|
||||||
|
if state == 'present':
|
||||||
|
create_metric_alarm(connection, module)
|
||||||
|
elif state == 'absent':
|
||||||
|
delete_metric_alarm(connection, module)
|
||||||
|
|
||||||
|
main()
|
||||||
181
library/cloud/ec2_scaling_policy
Executable file
181
library/cloud/ec2_scaling_policy
Executable file
|
|
@ -0,0 +1,181 @@
|
||||||
|
#!/usr/bin/python
|
||||||
|
|
||||||
|
DOCUMENTATION = """
|
||||||
|
---
|
||||||
|
module:ec2_scaling_policy
|
||||||
|
short_description: Create or delete AWS scaling policies for Autoscaling groups
|
||||||
|
description:
|
||||||
|
- Can create or delete scaling policies for autoscaling groups
|
||||||
|
- Referenced autoscaling groups must already exist
|
||||||
|
version_added: "1.6"
|
||||||
|
requirements: [ "boto" ]
|
||||||
|
author: Zacharie Eakin
|
||||||
|
options:
|
||||||
|
state:
|
||||||
|
description:
|
||||||
|
- register or deregister the policy
|
||||||
|
required: true
|
||||||
|
choices: ['present', 'absent']
|
||||||
|
name:
|
||||||
|
description:
|
||||||
|
- Unique name for the scaling policy
|
||||||
|
required: true
|
||||||
|
asg_name:
|
||||||
|
description:
|
||||||
|
- Name of the associated autoscaling group
|
||||||
|
required: true
|
||||||
|
adjustment_type:
|
||||||
|
desciption:
|
||||||
|
- The type of change in capacity of the autoscaling group
|
||||||
|
required: false
|
||||||
|
choices: ['ChangeInCapacity','ExactCapacity','PercentChangeInCapacity']
|
||||||
|
scaling_adjustment:
|
||||||
|
description:
|
||||||
|
- The amount by which the autoscaling group is adjusted by the policy
|
||||||
|
required: false
|
||||||
|
min_adjustment_step:
|
||||||
|
description:
|
||||||
|
- Minimum amount of adjustment when policy is triggered
|
||||||
|
required: false
|
||||||
|
cooldown:
|
||||||
|
description:
|
||||||
|
- The minimum period of time between which autoscaling actions can take place
|
||||||
|
required: false
|
||||||
|
"""
|
||||||
|
|
||||||
|
EXAMPLES = '''
|
||||||
|
- ec2_scaling_policy:
|
||||||
|
state: present
|
||||||
|
region: US-XXX
|
||||||
|
name: "scaledown-policy"
|
||||||
|
adjustment_type: "ChangeInCapacity"
|
||||||
|
asg_name: "slave-pool"
|
||||||
|
scaling_adjustment: -1
|
||||||
|
min_adjustment_step: 1
|
||||||
|
cooldown: 300
|
||||||
|
'''
|
||||||
|
|
||||||
|
|
||||||
|
import sys
|
||||||
|
|
||||||
|
from ansible.module_utils.basic import *
|
||||||
|
from ansible.module_utils.ec2 import *
|
||||||
|
|
||||||
|
try:
|
||||||
|
import boto.ec2.autoscale
|
||||||
|
from boto.ec2.autoscale import ScalingPolicy
|
||||||
|
from boto.exception import BotoServerError
|
||||||
|
|
||||||
|
except ImportError:
|
||||||
|
print "failed=True msg='boto required for this module'"
|
||||||
|
sys.exit(1)
|
||||||
|
|
||||||
|
|
||||||
|
def create_scaling_policy(connection, module):
|
||||||
|
sp_name = module.params.get('name')
|
||||||
|
adjustment_type = module.params.get('adjustment_type')
|
||||||
|
asg_name = module.params.get('asg_name')
|
||||||
|
scaling_adjustment = module.params.get('scaling_adjustment')
|
||||||
|
min_adjustment_step = module.params.get('min_adjustment_step')
|
||||||
|
cooldown = module.params.get('cooldown')
|
||||||
|
|
||||||
|
scalingPolicies = connection.get_all_policies(as_group=asg_name,policy_names=[sp_name])
|
||||||
|
|
||||||
|
if not scalingPolicies:
|
||||||
|
sp = ScalingPolicy(
|
||||||
|
name=sp_name,
|
||||||
|
adjustment_type=adjustment_type,
|
||||||
|
as_name=asg_name,
|
||||||
|
scaling_adjustment=scaling_adjustment,
|
||||||
|
min_adjustment_step=min_adjustment_step,
|
||||||
|
cooldown=cooldown)
|
||||||
|
|
||||||
|
try:
|
||||||
|
connection.create_scaling_policy(sp)
|
||||||
|
module.exit_json(changed=True)
|
||||||
|
except BotoServerError, e:
|
||||||
|
module.fail_json(msg=str(e))
|
||||||
|
else:
|
||||||
|
policy = scalingPolicies[0]
|
||||||
|
changed = False
|
||||||
|
|
||||||
|
#min_adjustment_step attribute is only relevant if the adjustment_type
|
||||||
|
#is set to percentage change in capacity, so it is a special case
|
||||||
|
if getattr(policy, 'adjustment_type') == 'PercentChangeInCapacity':
|
||||||
|
if getattr(policy, 'min_adjustment_step') != module.params.get('min_adjustment_step'):
|
||||||
|
changed = True
|
||||||
|
|
||||||
|
#set the min adjustment step incase the user decided to change their adjustment type to percentage
|
||||||
|
setattr(policy, 'min_adjustment_step', module.params.get('min_adjustment_step'))
|
||||||
|
|
||||||
|
#check the remaining attributes
|
||||||
|
for attr in ('adjustment_type','scaling_adjustment','cooldown'):
|
||||||
|
if getattr(policy, attr) != module.params.get(attr):
|
||||||
|
changed = True
|
||||||
|
setattr(policy, attr, module.params.get(attr))
|
||||||
|
|
||||||
|
try:
|
||||||
|
if changed:
|
||||||
|
connection.create_scaling_policy(policy)
|
||||||
|
policy = connection.get_all_policies(policy_names=[sp_name])[0]
|
||||||
|
module.exit_json(changed=changed, name=policy.name, arn=policy.policy_arn, as_name=policy.as_name, scaling_adjustment=policy.scaling_adjustment, cooldown=policy.cooldown, adjustment_type=policy.adjustment_type, min_adjustment_step=policy.min_adjustment_step)
|
||||||
|
module.exit_json(changed=changed)
|
||||||
|
except BotoServerError, e:
|
||||||
|
module.fail_json(msg=str(e))
|
||||||
|
|
||||||
|
|
||||||
|
def delete_scaling_policy(connection, module):
|
||||||
|
sp_name = module.params.get('name')
|
||||||
|
asg_name = module.params.get('asg_name')
|
||||||
|
|
||||||
|
scalingPolicies = connection.get_all_policies(as_group=asg_name,policy_names=[sp_name])
|
||||||
|
|
||||||
|
if scalingPolicies:
|
||||||
|
try:
|
||||||
|
connection.delete_policy(sp_name, asg_name)
|
||||||
|
module.exit_json(changed=True)
|
||||||
|
except BotoServerError, e:
|
||||||
|
module.exit_json(changed=False, msg=str(e))
|
||||||
|
else:
|
||||||
|
module.exit_json(changed=False)
|
||||||
|
|
||||||
|
|
||||||
|
def main():
|
||||||
|
argument_spec = ec2_argument_spec()
|
||||||
|
argument_spec.update(
|
||||||
|
dict(
|
||||||
|
name = dict(required=True, type='str'),
|
||||||
|
adjustment_type = dict(type='str', choices=['ChangeInCapacity','ExactCapacity','PercentChangeInCapacity']),
|
||||||
|
asg_name = dict(required=True, type='str'),
|
||||||
|
scaling_adjustment = dict(type='int'),
|
||||||
|
min_adjustment_step = dict(type='int'),
|
||||||
|
cooldown = dict(type='int'),
|
||||||
|
region = dict(aliases=['aws_region', 'ec2_region'], choices=AWS_REGIONS),
|
||||||
|
state=dict(default='present', choices=['present', 'absent']),
|
||||||
|
)
|
||||||
|
)
|
||||||
|
|
||||||
|
module = AnsibleModule(argument_spec=argument_spec)
|
||||||
|
|
||||||
|
region, ec2_url, aws_connect_params = get_aws_connection_info(module)
|
||||||
|
|
||||||
|
state = module.params.get('state')
|
||||||
|
|
||||||
|
try:
|
||||||
|
connection = connect_to_aws(boto.ec2.autoscale, region, **aws_connect_params)
|
||||||
|
except boto.exception.NoAuthHandlerFound, e:
|
||||||
|
module.fail_json(msg = str(e))
|
||||||
|
|
||||||
|
if state == 'present':
|
||||||
|
create_scaling_policy(connection, module)
|
||||||
|
elif state == 'absent':
|
||||||
|
delete_scaling_policy(connection, module)
|
||||||
|
|
||||||
|
|
||||||
|
main()
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
Loading…
Reference in a new issue