Get all key from output

[SysAdmin EM]

Hi all, I need to get the id of all available volumes in amazon aws, to make it I have created the following

---
- name: "volumes"
 hosts: localhost
 gather_facts: no
 tasks:
   - name: "list avail volumes"
     amazon.aws.ec2_vol_info:
       region: us-east-1
       filters:
         status: available
     register: aws_volume

   - name: "show"
     debug:
       msg: "{{ aws_volume.volumes[0].id }}"

The output of the variable only shows me one result and should show me all.

ok: [localhost] => {
   "msg": "vol-0c7b50c2896e422d4"
}

when I call the variable the results are many example:

ok: [localhost] => {
   "msg": {
       "changed": false,
       "failed": false,
       "volumes": [
           {
               "attachment_set": [],
               "create_time": "2019-05-30T15:49:14.238000+00:00",
               "encrypted": false,
               "id": "vol-xxxxxxxxxx",
               "iops": 100,
               "region": "us-east-1",
               "size": 32,
               "snapshot_id": "snap-xxxxxxxx",
               "status": "available",
               "tags": {
                   "Backup": "false",
                   "Environment": "PROD",
                   "Name": "app2"
                   "Zone": "1C"
               },
               "type": "gp2",
               "zone": "us-east-1c"
           },
           {
               "attachment_set": [],
               "create_time": "2019-07-18T18:06:16.555000+00:00",
               "encrypted": false,
               "id": "vol-xxxxxxxxx",
               "iops": 100,
               "region": "us-east-1",
               "size": 32,
               "snapshot_id": "snap-xxxxxxxxxxxx",
               "status": "available",
               "tags": {
                   "Backup": "true",
                   "Environment": "PROD",
                   "Name": "app1"
               },
               "type": "gp2",
               "zone": "us-east-1c"
           },


I should use to loop over the variable "aws_volume" and then call it as {{ item.volumes[0]. id}}?

Any helps?

[Rowe, Walter P. (Fed)]

You can use json_query to create a list of just the volume IDs.

---

- name: get aws volume IDs

  hosts: localhost

  gather_facts: false

  become: false

  vars:

    aws_volume: { 

      changed: false, 

      failed: false, 

      volumes: [ 

        { 

          attachment_set: [], 

          create_time: "2019-05-30T15:49:14.238000+00:00", 

          encrypted: false, 

          id: "vol-xxxxxxxxxx", 

          iops: 100, 

          region: "us-east-1", 

          size: 32, 

          snapshot_id: "snap-xxxxxxxx", 

          status: "available", 

          tags: { 

            Backup: "false", 

            Environment: "PROD", 

            Name: "app2",

            Zone: "1C" 

          }, 

          type: "gp2", 

          zone: "us-east-1c" 

        }, 

        { 

          attachment_set: [], 

          create_time: "2019-07-18T18:06:16.555000+00:00", 

          encrypted: false, 

          id: "vol-xxxxxxxxx", 

          iops: 100, 

          region: "us-east-1", 

          size: 32, 

          snapshot_id: "snap-xxxxxxxxxxxx", 

          status: "available", 

          tags: { 

            Backup: "true", 

            Environment: "PROD", 

            Name: "app1" 

          }, 

          type: "gp2", 

          zone: "us-east-1c" 

        }

      ]

    }

  tasks:

    - name: get volume IDs from JSON list

      set_fact:

        vol_ids: "{{ aws_volume.volumes | json_query('[].id') | list }}"

    - name: show volume IDs

      debug: var=vol_ids

PLAY [get aws volume IDs] **********************************************************************************************

TASK [get volume IDs from JSON list] ***********************************************************************************

ok: [localhost]

TASK [show volume IDs] *************************************************************************************************

ok: [localhost] => {

    "vol_ids": [

        "vol-xxxxxxxxxx",

        "vol-xxxxxxxxx"

    ]

}

PLAY RECAP *************************************************************************************************************

localhost                  : ok=2    changed=0    unreachable=0    failed=0    skipped=0    rescued=0    ignored=0   

Walter
--
Walter Rowe, Division Chief
Infrastructure Services, OISM
Mobile: 202.355.4123

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[Todd Lewis]

When you say "aws_volume.volumes[0]", you're explicitly looking at only the first volume, so your statement "… and should show me all" is incorrect; it should show you only the first volume.

Try something like this (untested):

   - name: "show"
     debug:
       msg: "{{ item.id }}"
     loop: "{{ aws_volume.volumes }}"

[SysAdmin EM]

I understand, I could make it work, but not by using the ec2 snapshot module.

I try to save a key as a variable but the result is empty

ok: [localhost] => {
   "ansible_facts": {
       "snap_id": ""
   },
   "changed": false
}

---
- name: "test"
 hosts: localhost
 gather_facts: no
 vars:
   aws_volume_id:
     - vol-xxxxxxxxxx
 tasks:
   - name: "create snapshot test"
     amazon.aws.ec2_snapshot:
       volume_id: "{{ item }}"
       wait_timeout: 900
       snapshot_tags:
           MarkedForDeletion: true
     register: snapshot_info
     with_items: "{{ aws_volume_id }}"


   - set_fact:
       snap_id: "{{ snapshot_info | json_query('snapshot_id')}}"


   - name: "Debug"
     debug:
       msg: "{{ snap_id }}"

This is the output

changed: [localhost] => (item=vol-xxxxxxxxxxxx) => {
   "ansible_loop_var": "item",
   "changed": true,
   "invocation": {
       "module_args": {
           "aws_access_key": null,
           "aws_ca_bundle": null,
           "aws_config": null,
           "aws_secret_key": null,
           "debug_botocore_endpoint_logs": false,
           "description": null,
           "device_name": null,
           "ec2_url": null,
           "instance_id": null,
           "last_snapshot_min_age": 0,
           "profile": null,
           "region": null,
           "security_token": null,
           "snapshot_id": null,
           "snapshot_tags": {
               "MarkedForDeletion": true
           },
           "state": "present",
           "validate_certs": true,
           "volume_id": "vol-xxxxxxxxxxx",
           "wait": true,
           "wait_timeout": 900
       }
   },
   "item": "vol-xxxxxxxxx",
   "snapshot_id": "snap-xxxxxxxxxxxx",

What am I doing wrong?

[Rowe, Walter P. (Fed)]

You need to first look at the registered out snapshot_info to see what its dictionary looks like. After you snapshot the EC2, insert a debug: var=snapshot_info to see what you are being given back. With that you can to then construct a proper reference to the snapshot_id.

Walter
--
Walter Rowe, Division Chief
Infrastructure Services, OISM
Mobile: 202.355.4123

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[Rowe, Walter P. (Fed)]

According to the ansible docs you get a single snapshot_id.

snapshot_info.snapshot_id should get you the reference you need. It isn't clear from the docs whether that is a list if the EC2 has multiple EBS volumes attached.

Walter
--
Walter Rowe, Division Chief
Infrastructure Services, OISM
Mobile: 202.355.4123

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[SysAdmin EM]

Hello! I can’t solve the problem.

This is the output

changed: [localhost] => (item=vol-xxxxxxxxxxxxxxxx) => {

   "ansible_loop_var": "item",
   "changed": true,
   "invocation": {
       "module_args": {
           "aws_access_key": null,
           "aws_ca_bundle": null,
           "aws_config": null,
           "aws_secret_key": null,
           "debug_botocore_endpoint_logs": false,
           "description": null,
           "device_name": null,
           "ec2_url": null,
           "instance_id": null,
           "last_snapshot_min_age": 0,
           "profile": null,
           "region": null,
           "security_token": null,
           "snapshot_id": null,
           "snapshot_tags": {
               "MarkedForDeletion": true
           },
           "state": "present",
           "validate_certs": true,

           "volume_id": "vol-xxxxxxxxxxxxxxxx",

           "wait": true,
           "wait_timeout": 900
       }
   },

   "item": "vol-xxxxxxxxxxxxxxxx",
   "snapshot_id": "snap-xxxxxxxxxxxxxxxx",
   "snapshots": [
       {
           "description": "",
           "encrypted": false,
           "owner_id": "xxxxxxxxxxxxxxxxxxx",
           "progress": "",
           "response_metadata": {
               "http_headers": {
                   "cache-control": "no-cache, no-store",
                   "content-length": "674",
                   "content-type": "text/xml;charset=UTF-8",
                   "date": "Thu, 05 Jan 2023 14:17:16 GMT",
                   "server": "AmazonEC2",
                   "strict-transport-security": "max-age=31536000; includeSubDomains",
                   "x-amzn-requestid": "xxxxxxxxxxxxxxxxxxxx"
               },
               "http_status_code": 200,
               "request_id": "xxxxxxxxxxxxxxxxxxxxxxxxx",
               "retry_attempts": 0
           },
           "snapshot_id": "snap-xxxxxxxxxxx",
           "start_time": "2023-01-05T14:17:16.785000+00:00",
           "state": "pending",
           "tags": {
               "MarkedForDeletion": "True"
           },
           "volume_id": "vol-xxxxxxxxxx",
           "volume_size": 400
       }
   ],
   "tags": {
       "MarkedForDeletion": "True"
   },
   "volume_id": "vol-xxxxxxxxxxxxx",
   "volume_size": 400
}

i see this error

TASK [Debug] **********************************************************************************************************************************************************
task path: /etc/ansible/ec2/create_ec2_instance/playbook/test.yaml:19
fatal: [localhost]: FAILED! => {
   "msg": "The task includes an option with an undefined variable. The error was: 'dict object' has no attribute 'snapshot_id'\n\nThe error appears to be in '/etc/ans
ible/ec2/create_ec2_instance/playbook/test.yaml': line 19, column 7, but may\nbe elsewhere in the file depending on the exact syntax problem.\n\nThe offending line app
ears to be:\n\n\n    - name: \"Debug\"\n      ^ here\n"                                                                                                                 
}

PLAY RECAP ************************************************************************************************************************************************************
localhost                  : ok=1    changed=1    unreachable=0    failed=1    skipped=0    rescued=0    ignored=0   

Here my playbook:

---
- name: "test"
  hosts: localhost
  gather_facts: no
  vars:
    aws_volume_id:

      - vol-xxxxxxxxxxxxxxxxx

      - vol-xxxxxxxxxxxxxxxxx
  tasks:
    - name: "test"

      amazon.aws.ec2_snapshot:
        volume_id: "{{ item }}"
        wait_timeout: 900
        snapshot_tags:
            MarkedForDeletion: true

      register: snapshotid
      with_items: "{{ aws_volume_id }}"

    - name: "Debug"
      debug:
        msg: "{{ item.snapshot_id }}"
      with_items: "{{ snapshotid }}"

[Mike Eggleston]

Are you missing a parameter “snapshot_id” in your definition of “ec2_snapshot”?

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[Rowe, Walter P. (Fed)]

Please change this:

    - name: "Debug"
      debug:
        msg: "{{ item.snapshot_id }}" 
      with_items: "{{ snapshotid }}"

to this:

    - name: "Debug"
      debug: var=snapshotid

So you can see the entire registered result returned from the prior task.

Walter
--
Walter Rowe, Division Chief
Infrastructure Services, OISM
Mobile: 202.355.4123

[SysAdmin EM]

ok: [localhost] => {
   "msg": "var=snapshotid\""
}

i think the "register" not work

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[SysAdmin EM]

I don’t know what I’m doing wrong, I’m desperate.
any help?

[Todd Lewis]

The register worked fine, but there's a typo in your debug task, which you have not shown us.

[SysAdmin EM]

i Try this tasks:

---

- name: "Volumenes sin usar"
 hosts: localhost
 gather_facts: yes
 vars:
   aws_volume_id:
     - vol-xxxxxxxxxxxxxxxx
 tasks:
   - name: "Creando snapshot desde el volumen"

     amazon.aws.ec2_snapshot:
       volume_id: "{{ item }}"
       wait_timeout: 900
       snapshot_tags:
         MarkedForDeletion: true

     register: show_id_snapshot
     with_items: "{{ aws_volume_id }}"

   - name: "mostrando"
     debug:
       msg: var=show_id_snapshot

All debug is here: https://pastebin.pl/view/eb4b1e29

Thanks for the help.

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[Rowe, Walter P. (Fed)]

   - name: "mostrando" 
     debug: 
       msg: var=show_id_snapshot 

should be

   - name: "mostrando" 
     debug: var=show_id_snapshot 

or

   - name: "mostrando" 
     debug: 
       var: show_id_snapshot 

or

   - name: "mostrando" 
     debug: 
       msg: "{{ show_id_snapshot }}"

Walter
--
Walter Rowe, Division Chief
Infrastructure Services, OISM
Mobile: 202.355.4123

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[SysAdmin EM]

Ok, the output shows me what I have been showing in previous answers.

Here my playbook

          
---
- name: "Volumenes sin usar"
 hosts: localhost
 gather_facts: yes
 vars:
   aws_volume_id:
     - vol-xxxxxxxxxxxxx

 tasks:
   - name: "Creando snapshot desde el volumen"
     amazon.aws.ec2_snapshot:
       volume_id: "{{ item }}"
       wait_timeout: 900
       snapshot_tags:
         MarkedForDeletion: true
     register: show_id_snapshot
     with_items: "{{ aws_volume_id }}"

   - name: "mostrando"

     debug: var=show_id_snapshot.snapshot_id

Here the debug https://pastebin.pl/view/20bf3d1e

will I be using some reserved word? I don’t understand where the problem is the key exists in the command output.

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[Rowe, Walter P. (Fed)]

Change this:

   - name: "mostrando" 
     debug: var=show_id_snapshot.snapshot_id

to

   - name: "mostrando" 
     debug: var=show_id_snapshot

so we can see the entirety of what is registered.

Walter
--
Walter Rowe, Division Chief
Infrastructure Services, OISM
Mobile: 202.355.4123

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[SysAdmin EM]

registered output here https://pastebin.pl/view/b43d2333

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[Rowe, Walter P. (Fed)]

Looks like the reference to snapshot_id should be:

set_fact:

  snap_id: "{{ show_id_snapshot.results[0].snapshot_id }}"

or to get a list if there are multiples:

set_fact:

  snap_id: {{ show_id_snapshot.results | json_query('[].snapshot_id') | list }}

Walter
--
Walter Rowe, Division Chief
Infrastructure Services, OISM
Mobile: 202.355.4123

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[SysAdmin EM]

Thanks. I’m ashamed I hope you can forgive me for bothering so much.

[Rowe, Walter P. (Fed)]

We all learn from experience and the help of others. Nothing to be ashamed about.

Walter
--
Walter Rowe, Division Chief
Infrastructure Services, OISM
Mobile: 202.355.4123

On Jan 5, 2023, at 11:53 AM, SysAdmin EM <ema...@gmail.com> wrote:

Thanks. I’m ashamed I hope you can forgive me for bothering so much.

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