229 lines
8.9 KiB
YAML
229 lines
8.9 KiB
YAML
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- name: run ec2_metric_alarm tests
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module_defaults:
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group/aws:
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aws_access_key: "{{ aws_access_key }}"
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aws_secret_key: "{{ aws_secret_key }}"
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security_token: "{{ security_token | default(omit) }}"
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region: "{{ aws_region }}"
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block:
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- set_fact:
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alarm_full_name: "{{ alarm_prefix }}-{{ resource_prefix }}-cpu-low"
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# until there's a module to get info about alarms, awscli is needed
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- name: install awscli
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pip:
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state: present
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name: awscli
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- name: set up environment for testing.
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include_tasks: env_setup.yml
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- name: get info on alarms
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command: aws cloudwatch describe-alarms --alarm-names {{ alarm_full_name }}
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environment:
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AWS_ACCESS_KEY_ID: "{{ aws_access_key }}"
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AWS_SECRET_ACCESS_KEY: "{{ aws_secret_key }}"
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AWS_SESSION_TOKEN: "{{ security_token | default('') }}"
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AWS_DEFAULT_REGION: "{{ aws_region }}"
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register: alarm_info_query
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- name: Find AMI to use
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ec2_ami_info:
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owners: 'amazon'
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filters:
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name: '{{ ec2_ami_name }}'
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register: ec2_amis
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- set_fact:
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ec2_ami_image: '{{ ec2_amis.images[0].image_id }}'
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- name: Make instance in a default subnet of the VPC
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ec2_instance:
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name: "{{ resource_prefix }}-test-default-vpc"
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image_id: "{{ec2_ami_image }}"
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tags:
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TestId: "{{ resource_prefix }}"
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security_groups: "{{ sg.group_id }}"
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instance_type: t2.micro
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wait: true
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register: ec2_instance_results
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- name: create ec2 metric alarm on ec2 instance
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ec2_metric_alarm:
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dimensions:
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InstanceId: "{{ ec2_instance_results.instances[0].instance_id }}"
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state: present
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name: "{{ alarm_full_name }}"
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metric: "CPUUtilization"
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namespace: "AWS/EC2"
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treat_missing_data: missing
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statistic: Average
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comparison: "<="
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threshold: 5.0
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period: 300
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evaluation_periods: 3
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unit: "Percent"
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description: "This will alarm when an instance's cpu usage average is lower than 5% for 15 minutes "
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register: ec2_instance_metric_alarm
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- name: get info on alarms
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command: aws cloudwatch describe-alarms --alarm-names {{ alarm_full_name }}
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environment:
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AWS_ACCESS_KEY_ID: "{{ aws_access_key }}"
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AWS_SECRET_ACCESS_KEY: "{{ aws_secret_key }}"
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AWS_SESSION_TOKEN: "{{ security_token | default('') }}"
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AWS_DEFAULT_REGION: "{{ aws_region }}"
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register: alarm_info_query
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- name: convert it to an object
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set_fact:
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alarm_info: "{{ alarm_info_query.stdout |from_json }}"
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- name: "verify that an alarm was created"
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assert:
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that:
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- 'ec2_instance_metric_alarm.changed'
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- 'ec2_instance_metric_alarm.alarm_arn'
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- 'ec2_instance_metric_alarm.statistic == alarm_info["MetricAlarms"][0].Statistic'
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- 'ec2_instance_metric_alarm.name == alarm_info["MetricAlarms"][0].AlarmName'
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- 'ec2_instance_metric_alarm.metric== alarm_info["MetricAlarms"][0].MetricName'
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- 'ec2_instance_metric_alarm.namespace == alarm_info["MetricAlarms"][0].Namespace'
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- 'ec2_instance_metric_alarm.comparison == alarm_info["MetricAlarms"][0].ComparisonOperator'
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- 'ec2_instance_metric_alarm.comparison == alarm_info["MetricAlarms"][0].ComparisonOperator'
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- 'ec2_instance_metric_alarm.threshold == alarm_info["MetricAlarms"][0].Threshold'
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- 'ec2_instance_metric_alarm.period == alarm_info["MetricAlarms"][0].Period'
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- 'ec2_instance_metric_alarm.unit == alarm_info["MetricAlarms"][0].Unit'
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- 'ec2_instance_metric_alarm.evaluation_periods == alarm_info["MetricAlarms"][0].EvaluationPeriods'
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- 'ec2_instance_metric_alarm.description == alarm_info["MetricAlarms"][0].AlarmDescription'
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- 'ec2_instance_metric_alarm.treat_missing_data == alarm_info["MetricAlarms"][0].TreatMissingData'
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- name: create ec2 metric alarm on ec2 instance (idempotent)
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ec2_metric_alarm:
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dimensions:
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InstanceId: "{{ ec2_instance_results.instances[0].instance_id }}"
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state: present
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name: "{{ alarm_full_name }}"
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metric: "CPUUtilization"
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namespace: "AWS/EC2"
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treat_missing_data: missing
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statistic: Average
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comparison: "<="
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threshold: 5.0
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period: 300
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evaluation_periods: 3
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unit: "Percent"
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description: "This will alarm when an instance's cpu usage average is lower than 5% for 15 minutes "
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register: ec2_instance_metric_alarm_idempotent
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- name: get info on alarms
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command: aws cloudwatch describe-alarms --alarm-names {{ alarm_full_name }}
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environment:
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AWS_ACCESS_KEY_ID: "{{ aws_access_key }}"
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AWS_SECRET_ACCESS_KEY: "{{ aws_secret_key }}"
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AWS_SESSION_TOKEN: "{{ security_token | default('') }}"
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AWS_DEFAULT_REGION: "{{ aws_region }}"
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register: alarm_info_query_idempotent
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- name: convert it to an object
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set_fact:
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alarm_info_idempotent: "{{ alarm_info_query_idempotent.stdout |from_json }}"
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- name: "Verify alarm does not register as changed after update"
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assert:
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that:
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- not ec2_instance_metric_alarm_idempotent.changed
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- name: "Verify alarm did not change after updating"
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assert:
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that:
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- "alarm_info['MetricAlarms'][0]['{{item}}'] == alarm_info_idempotent['MetricAlarms'][0]['{{ item }}']"
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with_items:
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- AlarmArn
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- Statistic
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- AlarmName
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- MetricName
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- Namespace
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- ComparisonOperator
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- Threshold
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- Period
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- Unit
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- EvaluationPeriods
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- AlarmDescription
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- TreatMissingData
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- name: update alarm
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ec2_metric_alarm:
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dimensions:
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InstanceId: "{{ ec2_instance_results.instances[0].instance_id }}"
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state: present
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name: "{{ alarm_full_name }}"
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metric: "CPUUtilization"
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namespace: "AWS/EC2"
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statistic: Average
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comparison: "<="
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threshold: 5.0
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period: 60
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evaluation_periods: 3
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unit: "Percent"
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description: "This will alarm when an instance's cpu usage average is lower than 5% for 3 minutes "
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register: ec2_instance_metric_alarm_update
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- name: "verify that alarm registers as updated"
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assert:
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that:
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- 'ec2_instance_metric_alarm.changed'
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- name: "verify that properties were changed"
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assert:
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that:
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- 'ec2_instance_metric_alarm_update.changed'
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- 'ec2_instance_metric_alarm_update.period == 60' #Period should be 60, not matching old value
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- 'ec2_instance_metric_alarm_update.alarm_arn == ec2_instance_metric_alarm.alarm_arn'
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- 'ec2_instance_metric_alarm_update.statistic == alarm_info["MetricAlarms"][0].Statistic'
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- 'ec2_instance_metric_alarm_update.name == alarm_info["MetricAlarms"][0].AlarmName'
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- 'ec2_instance_metric_alarm_update.metric== alarm_info["MetricAlarms"][0].MetricName'
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- 'ec2_instance_metric_alarm_update.namespace == alarm_info["MetricAlarms"][0].Namespace'
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- 'ec2_instance_metric_alarm_update.statistic == alarm_info["MetricAlarms"][0].Statistic'
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- 'ec2_instance_metric_alarm_update.comparison == alarm_info["MetricAlarms"][0].ComparisonOperator'
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- 'ec2_instance_metric_alarm_update.threshold == alarm_info["MetricAlarms"][0].Threshold'
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- 'ec2_instance_metric_alarm_update.unit == alarm_info["MetricAlarms"][0].Unit'
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- 'ec2_instance_metric_alarm_update.evaluation_periods == alarm_info["MetricAlarms"][0].EvaluationPeriods'
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- 'ec2_instance_metric_alarm_update.treat_missing_data == alarm_info["MetricAlarms"][0].TreatMissingData'
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- name: try to remove the alarm
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ec2_metric_alarm:
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state: absent
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name: "{{ alarm_full_name }}"
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register: ec2_instance_metric_alarm_deletion
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- name: Verify that the alarm reports deleted/changed
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assert:
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that:
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- 'ec2_instance_metric_alarm_deletion.changed'
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- name: get info on alarms
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command: aws cloudwatch describe-alarms --alarm-names {{ alarm_full_name }}
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environment:
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AWS_ACCESS_KEY_ID: "{{ aws_access_key }}"
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AWS_SECRET_ACCESS_KEY: "{{ aws_secret_key }}"
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AWS_SESSION_TOKEN: "{{ security_token | default('') }}"
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AWS_DEFAULT_REGION: "{{ aws_region }}"
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register: alarm_info_query
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- name: convert it to an object
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set_fact:
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alarm_info: "{{ alarm_info_query.stdout |from_json }}"
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- name: Verify that the alarm was deleted using cli
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assert:
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that:
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- 'alarm_info["MetricAlarms"]|length == 0'
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always:
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- name: try to stop the ec2 instance
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ec2_instance:
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instance_ids: "{{ ec2_instance_results.instances[0].instance_id }}"
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state: terminated
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ignore_errors: yes
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- include_tasks: env_cleanup.yml
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