looking for confirmation of bug

[Michael Baydoun]

before I file a bug report

playbook to reproduce is below

change hosts line to specify three or more individual hosts, or a group containing three or more hosts

after running playbook /tmp/test.out is expected to contain 1 line for each host

but it will often be missing one or more lines

run playbook again and get a different result

---

- hosts: ds1:ds2:ds3

  remote_user: root

  vars:

    outfile: /tmp/test.out

  tasks:

    - name: test | start with empty local file

      local_action: file path={{ outfile }} state=absent

      run_once: true

    - name: test | generate output one line per host

      shell: "echo {{ ansible_hostname }} file.sh dbname"

      register: hostout

  

    - debug: var=hostout.stdout

    - name: test | create local file listing all output from above 

      local_action: lineinfile dest={{ outfile }} line="{{ hostout.stdout }}" create=yes

[Michael Baydoun]

forgot to state, this error was produced running ansible 1.7 from linux and mac

[Brian Coca]

to get the result you want you'll need either serial or forks set to 1​, being concurrent processes you are not guaranteed they happen in perfect succession.

[Michael Baydoun]

running with --forks=1 makes problem go away

On Wednesday, August 13, 2014 2:43:23 PM UTC-4, Michael Baydoun wrote:

[Michael Baydoun]

actually, if I set serial to 1 the first task which has a run_once ends up running multiple times, which breaks the playbook

On Wednesday, August 13, 2014 2:43:23 PM UTC-4, Michael Baydoun wrote:

[Matt Martz]

run_once, runs once per specified hosts. Serial causes this to run for each batch.

So serial: 1 with run_once causes the task to run for every host.

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