shell module with multiple arguments using variables

[Veera]

Hi,

I am trying to  call variables to the shell module  but failing ..

- name: status of  services
  hosts: myhost
  remote_user: root
  gather_facts: no
  vars:
    - pp_stat: "/etc/init.d/puppet status"
    - pr_date: "echo '========= as on  date of ==========='; date"

  strategy: free
  tasks:
    - name: List the   status of the puppet services
      ignore_errors: yes
      shell: "{{ item }}"
      with_items:
         -  pp_stat
         - pr_date
      register: pupstat
    - debug:
        var: pupstat.stdout_lines

error reads:

TASK [List the   status of the puppet services] **************************************************************************************
failed: [wf-omsal1-01-01] (item=pp_stat) => {"changed": true, "cmd": "pp_stat", "delta": "0:00:00.004792", "end": "2019-08-02 01:02:19.344642", "item": "pp_stat", "msg": "non-zero return code", "rc": 127, "start": "2019-08-02 01:02:19.339850", "stderr": "/bin/sh: pp_stat: command not found", "stderr_lines": ["/bin/sh: pp_stat: command not found"], "stdout": "", "stdout_lines": []}
failed: [wf-omsal1-01-01] (item=pr_date) => {"changed": true, "cmd": "pr_date", "delta": "0:00:00.004765", "end": "2019-08-02 01:02:24.356002", "item": "pr_date", "msg": "non-zero return code", "rc": 127, "start": "2019-08-02 01:02:24.351237", "stderr": "/bin/sh: pr_date: command not found", "stderr_lines": ["/bin/sh: pr_date: command not found"], "stdout": "", "stdout_lines": []}
...ignoring


TASK [debug] *************************************************************************************************************************
ok: [wf-omsal1-01-01] => {
    "pupstat.stdout_lines": "VARIABLE IS NOT DEFINED!"
}

what I am  missing in calling the  variables?

using {{ }}  to items  also failed..

[Matt Martz]

When registering a variable with a loop the structure of the data is different.

Try doing a debug on just `pupstat` to see the data structure.  See this documentation for more information: https://docs.ansible.com/ansible/latest/user_guide/playbooks_loops.html#registering-variables-with-a-loop

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Matt Martz
@sivel
sivel.net

[Kai Stian Olstad]

Variables in with_items need {{ }} around them.

--
Kai Stian Olstad

[Veera Mani]

When running pup_stat alone, it works.

Adding {{ }} around items did not help

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[Veera]

Hi Martz,

I tried with a couple of options  as per the link you have shared including the  "shell:  echo "{{ item }}" .  but still I am unable to combine the right combination.

my current snippet:

tasks:
    - name: List the   status of the puppet services
      ignore_errors: yes
      shell:  "{{ item }}"

      register: pupstat
      with_items:
        - "{{ pp_stat }}"
        - "{{ pr_date }}"
    - debug:
        var:  pupstat

and the output of  debug is  fine.  

TASK [debug] *****************************************************************************************************************
ok: [myhost] => {
    "pupstat": {
        "changed": true,
        "msg": "All items completed",
        "results": [
            {
                "_ansible_ignore_errors": true,
                "_ansible_item_label": "/etc/init.d/puppet status",
                "_ansible_item_result": true,
                "_ansible_no_log": false,
                "_ansible_parsed": true,
                "changed": true,
                "cmd": "/etc/init.d/puppet status",
                "delta": "0:00:00.030987",
                "end": "2019-08-02 14:35:42.933291",
                "failed": false,
                "invocation": {
                    "module_args": {
                        "_raw_params": "/etc/init.d/puppet status",
                        "_uses_shell": true,
                        "argv": null,
                        "chdir": null,
                        "creates": null,
                        "executable": null,
                        "removes": null,
                        "stdin": null,
                        "warn": true
                    }
                },
                "item": "/etc/init.d/puppet status",
                "rc": 0,
                "start": "2019-08-02 14:35:42.902304",
                "stderr": "",
                "stderr_lines": [],
                "stdout": "puppetd (pid  5881) is running...",
                "stdout_lines": [
                    "puppetd (pid  5881) is running..."
                ]
            },
            {
                "_ansible_ignore_errors": true,
                "_ansible_item_label": "echo '========= as on  date of ==========='; date",
                "_ansible_item_result": true,
                "_ansible_no_log": false,
                "_ansible_parsed": true,
                "changed": true,
                "cmd": "echo '========= as on  date of ==========='; date",
                "delta": "0:00:00.006032",
                "end": "2019-08-02 14:35:47.994833",
                "failed": false,
                "invocation": {
                    "module_args": {
                        "_raw_params": "echo '========= as on  date of ==========='; date",
                        "_uses_shell": true,
                        "argv": null,
                        "chdir": null,
                        "creates": null,
                        "executable": null,
                        "removes": null,
                        "stdin": null,
                        "warn": true
                    }
                },
                "item": "echo '========= as on  date of ==========='; date",
                "rc": 0,
                "start": "2019-08-02 14:35:47.988801",
                "stderr": "",
                "stderr_lines": [],
                "stdout": "========= as on  date of ===========\nFri Aug  2 14:35:47 +04 2019",
                "stdout_lines": [
                    "========= as on  date of ===========",
                    "Fri Aug  2 14:35:47 +04 2019"
                ]
            }
        ]
    }
}

 But  debug with  "stdout.lines"  is  giving an error

TASK [debug] *****************************************************************************************************************
ok: [myhost] => {
    "pupstat.stdout_lines": "VARIABLE IS NOT DEFINED!: 'dict object' has no attribute 'stdout_lines'"
}

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[Veera]

Now .. I am able to print the output of items using  debug module with items.. 

 .. but  "stdout_lines"  is  not working ...  

-

 name: List the   status of the puppet services
      ignore_errors: yes
      shell: "{{ item }}"
      with_items:
        - "{{ pp_stat }}"
        - "{{ pr_date }}"
      register: pupstat
    - debug:

        var: "{{ item.stdout_lines}}"
      with_items:
        - "{{ pupstat.results }}"

the output is as below:

TASK [debug] *************************************************************************************************************************
ok: [myhost] => (item={'_ansible_parsed': True, 'stderr_lines': [], u'changed': True, u'stdout': u'puppetd (pid  5881) is running...', '_ansible_item_result': True, u'delta': u'0:00:00.027518', 'stdout_lines': [u'puppetd (pid  5881) is running...'], '_ansible_item_label': u'/etc/init.d/puppet status', u'end': u'2019-08-02 19:05:43.608320', '_ansible_no_log': False, 'failed': False, u'cmd': u'/etc/init.d/puppet status', 'item': u'/etc/init.d/puppet status', u'stderr': u'', u'rc': 0, u'invocation': {u'module_args': {u'warn': True, u'executable': None, u'_uses_shell': True, u'_raw_params': u'/etc/init.d/puppet status', u'removes': None, u'argv': None, u'creates': None, u'chdir': None, u'stdin': None}}, u'start': u'2019-08-02 19:05:43.580802', '_ansible_ignore_errors': True}) => {
    "<type 'list'>": "VARIABLE IS NOT DEFINED!",
    "item": {

        "changed": true,
        "cmd": "/etc/init.d/puppet status",

        "delta": "0:00:00.027518",
        "end": "2019-08-02 19:05:43.608320",

        "failed": false,
        "invocation": {
            "module_args": {
                "_raw_params": "/etc/init.d/puppet status",
                "_uses_shell": true,
                "argv": null,
                "chdir": null,
                "creates": null,
                "executable": null,
                "removes": null,
                "stdin": null,
                "warn": true
            }
        },
        "item": "/etc/init.d/puppet status",
        "rc": 0,

        "start": "2019-08-02 19:05:43.580802",

        "stderr": "",
        "stderr_lines": [],
        "stdout": "puppetd (pid  5881) is running...",
        "stdout_lines": [
            "puppetd (pid  5881) is running..."
        ]
    }
}

ok: [myhost] => (item={'_ansible_parsed': True, 'stderr_lines': [], u'changed': True, u'stdout': u'========= as on  date of ===========\nFri Aug  2 19:05:48 +04 2019', '_ansible_item_result': True, u'delta': u'0:00:00.005896', 'stdout_lines': [u'========= as on  date of ===========', u'Fri Aug  2 19:05:48 +04 2019'], '_ansible_item_label': u"echo '========= as on  date of ==========='; date", u'end': u'2019-08-02 19:05:48.695987', '_ansible_no_log': False, 'failed': False, u'cmd': u"echo '========= as on  date of ==========='; date", 'item': u"echo '========= as on  date of ==========='; date", u'stderr': u'', u'rc': 0, u'invocation': {u'module_args': {u'warn': True, u'executable': None, u'_uses_shell': True, u'_raw_params': u"echo '========= as on  date of ==========='; date", u'removes': None, u'argv': None, u'creates': None, u'chdir': None, u'stdin': None}}, u'start': u'2019-08-02 19:05:48.690091', '_ansible_ignore_errors': True}) => {
    "<type 'list'>": "VARIABLE IS NOT DEFINED!",
    "item": {

        "changed": true,
        "cmd": "echo '========= as on  date of ==========='; date",

        "delta": "0:00:00.005896",
        "end": "2019-08-02 19:05:48.695987",

        "failed": false,
        "invocation": {
            "module_args": {
                "_raw_params": "echo '========= as on  date of ==========='; date",
                "_uses_shell": true,
                "argv": null,
                "chdir": null,
                "creates": null,
                "executable": null,
                "removes": null,
                "stdin": null,
                "warn": true
            }
        },
        "item": "echo '========= as on  date of ==========='; date",
        "rc": 0,

        "start": "2019-08-02 19:05:48.690091",
        "stderr": "",
        "stderr_lines": [],
        "stdout": "========= as on  date of ===========\nFri Aug  2 19:05:48 +04 2019",

        "stdout_lines": [
            "========= as on  date of ===========",

            "Fri Aug  2 19:05:48 +04 2019"
        ]
    }
}

replacing "msg"  with  "var"  also prints a similar output..

I am looking for a  output like this 

"puppetd (pid  5881) is running..."

 "========= as on  date of ===========",
 "Fri Aug  2 19:05:48 +04 2019"

[Veera]

Finally ,,, I got the right combination .. Thaks for all .. 

 name: List the   status of the puppet services
      ignore_errors: yes
      shell: "{{ item }}"
      with_items:
         -  pp_stat
         - pr_date
      register: pupstat
    - debug:

        msg: "{{ pupstat.results|map(attribute='stdout_lines')|list }}"