Iterate on more than one task: shell and pause

[Tzach Livyatan]

Hello again

I have a command to execute X times, pausing for a few second after each iteration.

One (working) way to do it is:

    - shell: sleep 60; the-command
      with_sequence: count={{X}}

 But its look ugly to me:

- does not use built-in pause command

- make each of the host iterate independently, which may cause sync issue

 

I would like to do something like (not legal)

    - shell: the-command
      action: pause: seconds=60
      with_sequence: count={{X}}

Using include for the two tasks didnt work either as include and with_items is deprecated.

What is the right solution in this case?

Thanks

Tzach

[Giovanni Tirloni]

I think your initial solution is the cleanest way to do this right now.

I was thinking if the shell module could be enhanced to accept a pause
parameter, but I don't know how Ansible "unroll" the list of activities
that should be carried out when there is looping involved. The module
might not even know it's going to run multiple times (so then it
couldn't pause anything, because it'd think it's running just once).

If that's the case, then perhaps the looping construct(s) would have to
accept a pause parameter.

Perhaps something like the concept of "blocks" [1] being worked on in v2
might help your situation. Create a block with a shell and a pause task
and iterate over them.

[1] -
https://groups.google.com/d/msg/ansible-project/4IXdJqzhuM8/aGIJglZ8G_4J

Giovanni

[Tzach Livyatan]

Thanks Giovanni

Yes, block is what I was looking for.

Glad to see it will be available in v2.

I guess Greenspun's tenth rule apply to configuration mgmt SDL as well :)

 

[1] -
https://groups.google.com/d/msg/ansible-project/4IXdJqzhuM8/aGIJglZ8G_4J

Giovanni

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Regards 

@TzachL