Getting error for ".stdout_lines" for a registered variable

[Rakesh Parida]

Hi,

I have  playbook to retrieve the Instance id of Openstack nodes.Now everything works fine but the resgitered value for instid.stdout_lines gets an undefined error.

The error was: 'dict object' has no attribute 'stdout_lines' .. but when i debug the complete registered variable instid i see stdout_lines. but why its failing when i debug it using instid.stdout_lines

 "item": "TOMCS2", 

                    "rc": 0, 

                    "start": "2019-09-24 09:15:45.801051", 

                    "stderr": "", 

                    "stderr_lines": [], 

                    "stdout": "e8ebc5a4-17f3-4b80-a935-03164211a804 TOMICS2", 

                    "stdout_lines": [

                        "e8ebc5a4-17f3-4b80-a935-03164211a804 TOMCS2"

- hosts: nodes[0]

  gather_facts: false

  tasks:

    - name: Collect  Hostnames

      set_fact:

         host_lists: "{{ hostvars[inventory_hostname]['groups']['nodes'] }}"

    - name: Create Hostname as per the Name in openstack names

      set_fact:

         fact: '{{ (["TOM"] * host_lists|length)|zip(host_lists)|map("join")|list}}'

    - name: Debug the required list

      debug:

        msg: "{{ fact }}"

- hosts: 127.0.0.1

  gather_facts: false

  tasks:

    - name: Retrieve tenantID

      shell: openstack project list | awk '/ TOM / { print $2 }'

      register: tenantid

 - name: Retrieve instance id from tenant

   shell: openstack server list --all-projects --project "{{ tenantid.stdout }}" | awk 'NR > 3 { print $2, $4 }' | grep -i "{{ item }}"

   with_items: "{{ hostvars[groups['nodes'][0]]['fact'] }}"

   register: instid

    - name: Debug Instance id and Tennat id

      delegate_to: localhost

      debug:

        msg:

         - "Tenant ID:"

         - "{{ tenantid.stdout }}"

         - "==============================="

         - "Instance ID of the VMs in TOM

         - "{{ instid.stdout_lines}}"

[Karl Auer]

What is the complete output from a debug of instid?

Regards, K.

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Karl Auer

Email  : ka...@2pisoftware.com
Website: http://2pisoftware.com

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Previous: 958A 2647 6C44 D376 3D63 86A5 FFB2 20BC 0257 5816

[Kai Stian Olstad]

On 24.09.2019 19:06, Rakesh Parida wrote:
> - name: Retrieve instance id from tenant
> shell: openstack server list --all-projects --project "{{
> tenantid.stdout }}" | awk 'NR > 3 { print $2, $4 }' | grep -i "{{ item }}"
> with_items: "{{ hostvars[groups['nodes'][0]]['fact'] }}"
> register: instid
>
> - name: Debug Instance id and Tennat id
> delegate_to: localhost
> debug:
> msg:
> - "Tenant ID:"
> - "{{ tenantid.stdout }}"
> - "==============================="
> - "Instance ID of the VMs in TOM
> - "{{ instid.stdout_lines}}"

When using register with with_items/loop you'll have instid.results which is a list where each item contain the output for each command.

When you get errors like this always run a
- debug: var=instid

--
Kai Stian Olstad

[Rakesh Parida]

There are 11 items , i will paste the out put of one item, all others are similar, or this mail will be lengthy. SO pasting the out put of one item.

 "_ansible_delegated_vars": {

                        "ansible_delegated_host": "localhost", 

                        "ansible_host": "localhost"

                    }, 

                    "_ansible_ignore_errors": null, 

                    "_ansible_item_label": "TOMICS2", 

                    "_ansible_item_result": true, 

                    "_ansible_no_log": false, 

                    "_ansible_parsed": true, 

                    "changed": true, 

                    "cmd": "openstack server list --all-projects --project \"ca257bcbf01745aba61edd9699cd4902\" | awk 'NR > 3 { print $2, $4 }' | grep -i \"TOMICS2\"", 

                    "delta": "0:00:02.312475", 

                    "end": "2019-09-24 09:15:48.113526", 

                    "failed": false, 

                    "invocation": {

                        "module_args": {

                            "_raw_params": "openstack server list --all-projects --project \"ca257bcbf01745aba61edd9699cd4902\" | awk 'NR > 3 { print $2, $4 }' | grep -i \"TOMICS2\"", 

                            "_uses_shell": true, 

                            "argv": null, 

                            "chdir": null, 

                            "creates": null, 

                            "executable": null, 

                            "removes": null, 

                            "stdin": null, 

                            "warn": true

                        }

                    }, 

                    "item": "TOMICS2", 

                    "rc": 0, 

                    "start": "2019-09-24 09:15:45.801051", 

                    "stderr": "", 

                    "stderr_lines": [], 

                    "stdout": "e8ebc5a4-17f3-4b80-a935-03164211a804 TOMICS2", 

                    "stdout_lines": [

                        "e8ebc5a4-17f3-4b80-a935-03164211a804 TOMICS2"

                    ]

                }, 

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[Rakesh Parida]

Hi Kai,

I had already tried it it gives me o/p as same as :

debug:

    msg: {{ instid }}

Both the o/ps are similar.

Now  i want the stdout_lines for each item as my desired o/p

something like:

e8ebc5a4-17f3-4b80-a935-03164211a804 TOMICS2

7865dvgsf-17f3-4b80-a935-03164211a804 TOMICS1

abc12345g-17f3-4b80-a935-03164211a804 TOMIAS2

[Kai Stian Olstad]

On 24.09.2019 19:48, Rakesh Parida wrote:
> Hi Kai,
>
> I had already tried it it gives me o/p as same as :
> debug:
> msg: {{ instid }}
>
> Both the o/ps are similar.
>
> Now i want the stdout_lines for each item as my desired o/p
> something like:
> e8ebc5a4-17f3-4b80-a935-03164211a804 TOMICS2
> 7865dvgsf-17f3-4b80-a935-03164211a804 TOMICS1
> abc12345g-17f3-4b80-a935-03164211a804 TOMIAS2

As I wrote instid contains a results which is a list so you need to loop over it to get the individual results.

- debug: msg="{{ item.stdout }}"
with_items: "{{ instid.results }}"

--
Kai Stian Olstad

[Karl Auer]

Post the complete output of

- debug:

   var: instid

Posting snippets is useless.

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[Rakesh Parida]

Hi Kai,

I could do achieve what i intended. I made the following changes using Jinja format and my issue solved. 

Thanks for the help. Th echanges i made was:

In the Instance id section i used the foloing formula and it worked like a charm.

- name: Set fact for Instance id from Tenant ID

      delegate_to: localhost

      set_fact:

        id_list: "{% for item in instid.results %}

        {{ item.stdout_lines[0].split()[0] }}

        {% endfor %}"

    - name: Set fact for Desired Instance ids

      set_fact:

         desired_instid: "{{ id_list.split() }}"

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