I am facing a similar problem. Did you ever get this resolved?
Thanks,
Rami
On Tuesday, March 10, 2015 at 2:52:14 PM UTC-7, Leonardo Visconti wrote:
>
> Hi everyone,
>
> I've been debugging some proof of concepts and got stuck with this.
>
> Whenever I use the "when" condition in conjunction with "with_sequence",
> the former won't work.
>
> Am I looking at a bug or is this behavior on purpose? Would you recommend
> a different approach?
>
> Currently running ansible 1.7.2.
>
> Thanks in advance,
>
> Leo
>
> ---
>
> Example playbook:
>
> - hosts: localhost
>
> vars:
> - to_launch_instances_number: '3'
> - current_instances_number: '5'
>
> tasks:
> - name: "Simple debug test"
> debug: msg="Debug current instances {{current_instances_number}} to
> launch instances {{to_launch_instances_number}}"
>
> - name: "Debug greater then"
> debug: msg="Condition says greater then"
> when: "{{ to_launch_instances_number |
> version_compare(current_instances_number, '>') }}"
>
> - name: "Echo when greater than with sequence"
> shell: "echo {{ item }}"
> when: "{{ to_launch_instances_number |
> version_compare(current_instances_number, '>') }}"
> with_sequence: start="{{current_instances_number}}"
> end="{{to_launch_instances_number}}"
>
> Here's the output:
>
> PLAY [127.0.0.1]
> **************************************************************
>
> GATHERING FACTS
> ***************************************************************
> ok: [127.0.0.1]
>
> TASK: [Simple debug test]
> *****************************************************
> ok: [127.0.0.1] => {
> "msg": "Debug current instances 5 to launch instances 3"
> }
>
> TASK: [Debug greater then]
> ****************************************************
> skipping: [127.0.0.1]
>
> TASK: [Echo when greater than with sequence]
> **********************************
> fatal: [127.0.0.1] => can't count backwards
>
> FATAL: all hosts have already failed -- aborting
>
> PLAY RECAP
> ********************************************************************
> to retry, use: --limit @/home/cloudopen/rolling-deploy.retry
>
> 127.0.0.1 : ok=2 changed=0 unreachable=1 failed=0
>
>
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