Configuring AWS metric alarm using newly created scaling policy ARN

Archives Ansible Project
1

Hi guys, I’m still pretty new to Ansible and was wondering if you could answer a question I have.

I’m trying to create an AWS scaling policy and attach a metric alarm to it. From what I understand, the ec2_metric_alarm module needs the ARN of the scaling policy so that it can associate itself with it. However, I can’t seem to get the ARN after creating a new scaling policy from the ec2_scaling_policy module’s output. Currently I’m trying to register the result of the ec2_scaling policy module. For example, my playbook looks something like this:

  • name: Create scaling policy and associate it with autoscaling group
    ec2_scaling_policy:
    state: present
    region: us-east-1
    name: “test-scaleup-policy”
    adjustment_type: “ChangeInCapacity”
    asg_name: “test-asg”
    scaling_adjustment: 1
    min_adjustment_step: 1
    cooldown: 300
    register: sp_result

  • name: Debug result of scaling policy creation
    debug: var=sp_result

  • name: Create metric alarm and associate it with autoscaling policy
    action:
    module: ec2_metric_alarm
    state: present
    alarm_actions: [“{{ sp_result.arn }}”]
    etc…

The debug module prints this:

TASK: [Debug] *****************************************************************
ok: [localhost] => {
“sg_result”: {
“changed”: false,
“invocation”: {
“module_args”: “”,
“module_name”: “ec2_scaling_policy”
}}}

According to this merged pull request, the ARN should be included in the data the module returns. Am I trying to capturing this information in the wrong way, e.g. using register when I should be using something else? Otherwise, is there something else I should be doing?

2

What version of Ansible are you running? The above PR was merged into devel and will be included in 1.7, however it is not yet available in 1.6.x.

3

D’oh, looks like I was still on 1.6.6. Using the devel branch now and it works, thanks!