Piece of code is as follow:
*# Manual accessing sub-elements*
- debug: var=ec2_snap
- debug: var=ec2_snap.results[0].invocation.module_args.device_name
- debug: var=ec2_snap.results[0].item
- debug: var=ec2_snap.results[0].volume_id
- debug: var=ec2_snap.results[0].snapshot_id
- debug: var=ec2_snap.results[1].invocation.module_args.device_name
- debug: var=ec2_snap.results[1].item
- debug: var=ec2_snap.results[1].volume_id
- debug: var=ec2_snap.results[1].snapshot_id
*# Works fine, Output for above code is as follow:*
ok: [localhost] => {
"changed": false,
"ec2_snap.results[0].invocation.module_args.device_name": "/dev/sda1"
}
TASK [debug]
***********************************************************************************************************************************************************
task path: /home/ansible/playbooks/rol1.yml:27
ok: [localhost] => {
"changed": false,
"ec2_snap.results[0].item": "i-037b59606518XXXXX"
}
TASK [debug]
***********************************************************************************************************************************************************
task path: /home/ansible/playbooks/rol1.yml:28
ok: [localhost] => {
"changed": false,
"ec2_snap.results[0].volume_id": "vol-09aec429dfcXXXXX"
}
TASK [debug]
***********************************************************************************************************************************************************
task path: /home/ansible/playbooks/rol1.yml:29
ok: [localhost] => {
"changed": false,
"ec2_snap.results[0].snapshot_id": "snap-0fe95f5d794XXXXX"
}
TASK [debug]
***********************************************************************************************************************************************************
task path: /home/ansible/playbooks/rol1.yml:30
ok: [localhost] => {
"changed": false,
"ec2_snap.results[1].invocation.module_args.device_name": "/dev/sda1"
}
TASK [debug]
***********************************************************************************************************************************************************
task path: /home/ansible/playbooks/rol1.yml:31
ok: [localhost] => {
"changed": false,
"ec2_snap.results[1].item": "i-04452f010e4cXXXXX"
}
TASK [debug]
***********************************************************************************************************************************************************
task path: /home/ansible/playbooks/rol1.yml:32
ok: [localhost] => {
"changed": false,
"ec2_snap.results[1].volume_id": "vol-0e0516ea962XXXXX"
}
TASK [debug]
***********************************************************************************************************************************************************
task path: /home/ansible/playbooks/rol1.yml:33
ok: [localhost] => {
"changed": false,
"ec2_snap.results[1].snapshot_id": "snap-0fa1ec99d379XXXXX"
}
*When trying to access with_items, with following code:*
- name: "Task 3: Add string instance_id to file for each instance"
shell: 'printf "{{ item.volume_id }}"'
#shell: 'printf "{{ item.volume_id }}" >
/home/ansible/playbooks/common/variables/"{{ item.item }}"'
with_items:
- "{{ ec2_snap.results }}"
*Rather than giving proper output, as appeared in above manual access, it
gives garbrage as follow:*
changed: [localhost] => (item={'_ansible_parsed': True, u'changed': True,
'_ansible_no_log': False, 'item': u'i-04452f010e4cXXXXX',
'_ansible_item_result': True, u'volume_size': 15, u'snapshot_id':
u'snap-0fa1ec99d379XXXXX', u'volume_id': u'vol-0e0516ea9623XXXXX',
u'invocation': {u'module_args': {u'aws_secret_key': None, u'profile': None,
u'aws_access_key': None, u'description': u'snapshot of /dev/sda1 from
i-04452f010e4cXXXXX taken 2017/03/22-19:58', u'security_token': None,
u'snapshot_tags': {u'source': u'/dev/sda1', u'frequency': u'daily'},
u'region': u'us-east-1', u'snapshot_id': None, u'device_name':
u'/dev/sda1', u'instance_id': u'i-04452f010e4cXXXXX', u'state': u'present',
u'wait_timeout': 0, u'ec2_url': None, u'last_snapshot_min_age': 0,
u'validate_certs': True, u'volume_id': None, u'wait': True}}, u'tags':
{u'source': u'/dev/sda1', u'frequency': u'daily'}}) => {
"changed": true,
"cmd": "printf \"vol-0e0516ea9623XXXXX\"",
"delta": "0:00:00.002131",
"end": "2017-03-22 19:58:13.225366",
"invocation": {
"module_args": {
"_raw_params": "printf \"vol-0e0516ea962XXXXX\"",
"_uses_shell": true,
"chdir": null,
"creates": null,
"executable": null,
"removes": null,
"warn": true
}
},
"item": {
"changed": true,
"invocation": {
"module_args": {
"aws_access_key": null,
"aws_secret_key": null,
"description": "snapshot of /dev/sda1 from
i-04452f010e4cacb0b taken 2017/03/22-19:58",
"device_name": "/dev/sda1",
"ec2_url": null,
"instance_id": "i-04452f010e4cXXXXX",
"last_snapshot_min_age": 0,
"profile": null,
"region": "us-east-1",
"security_token": null,
"snapshot_id": null,
"snapshot_tags": {
"frequency": "daily",
"source": "/dev/sda1"
},
"state": "present",
"validate_certs": true,
"volume_id": null,
"wait": true,
"wait_timeout": 0
}
},
"item": "i-04452f010e4XXXXX",
"snapshot_id": "snap-0fa1ec99d379XXXXX",
"tags": {
"frequency": "daily",
"source": "/dev/sda1"
},
"volume_id": "vol-0e0516ea9623XXXXX",
"volume_size": 15
},
"rc": 0,
"start": "2017-03-22 19:58:13.223235",
"stderr": "",
"stderr_lines": [],
"stdout": "vol-0e0516ea962XXXXX",
"stdout_lines": [
"vol-0e0516ea9623XXXXX"
]
}
On Wednesday, March 22, 2017 at 11:14:10 PM UTC+5:30, Bhavin Parmar wrote:
>
> The output (i.e. module: ec2_snapshot) of a registered variable (i.e.
> ec2_snap) returns multiple members.
>
> Playbook is:
> --- # Take Snapshot of EC2s
> - name: Take snapshot of EC2s
> hosts: local
> become: no
> connection: local
> gather_facts: yes
> vars:
> region: "us-east-1"
> awsec2id: ["i-037b596065189XXXXX","i-04452f010e4cXXXXX"]
> devname: "/dev/sda1"
> date: "{{ lookup('pipe', 'date +%Y/%m/%d-%H:%M') }}"
> tasks:
> - name: Create Root snapshots
> ec2_snapshot:
> region: '{{ region }}'
> instance_id: '{{ item }}'
> device_name: '{{ devname }}'
> description: 'snapshot of /dev/sda1 from {{ item }} taken {{ date
> }}'
> state: present
> snapshot_tags:
> frequency: daily
> source: '{{ devname }}'
> register: ec2_snap
> with_items: '{{ awsec2id }}'
> - debug: var=ec2_snap
> - debug: var=ec2_snap.results[0].invocation.module_args.device_name
> - debug: var=ec2_snap.results[0].item
> - debug: var=ec2_snap.results[0].volume_id
> - debug: var=ec2_snap.results[0].snapshot_id
> - name: "Task 2: Create files for each instance"
> command: touch /home/ansible/playbooks/common/variables/'{{ item
> }}.yml'
> with_items: "{{ awsec2id }}"
>
> - name: "Task 3: Add string instance_id to file for each instance"
> shell: 'printf "{{ item.volume_id }}" >
> /home/ansible/playbooks/common/variables/"{{ item.item }}"'
> with_items: "{{ ec2_snap.results }}"
> ...
>
> *Error making code:*
> - name: "Task 3: Add string instance_id to file for each instance"
> shell: 'printf "{{ item.volume_id }}" >
> /home/ansible/playbooks/common/variables/"{{ item.item }}"'
> with_items: "{{ ec2_snap.results }}"
>
> ec2_snap registered variable is having details of each of two snapshots in
> a relevant array element. How to create loop on them?
>
>
>
> *Short Output is as follow:*
>
> {
> "changed":false,
> "ec2_snap":{
> "changed":true,
> "msg":"All items completed",
> "results":[
> { },
> { }
> ]
> }
> }
>
> *The extended output is as follow:*
> ok: [localhost] => {
> "changed": false,
> "ec2_snap": {
> "changed": true,
> "msg": "All items completed",
> "results": [
> {
> "_ansible_item_result": true,
> "_ansible_no_log": false,
> "_ansible_parsed": true,
> "changed": true,
> "invocation": {
> "module_args": {
> "aws_access_key": null,
> "aws_secret_key": null,
> "description": "snapshot of /dev/sda1 from
> i-037b5960651XXXXX taken 2017/03/22-17:19",
> "device_name": "/dev/sda1",
> "ec2_url": null,
> "instance_id": "i-037b59606518XXXXX",
> "last_snapshot_min_age": 0,
> "profile": null,
> "region": "us-east-1",
> "security_token": null,
> "snapshot_id": null,
> "snapshot_tags": {
> "frequency": "daily",
> "source": "/dev/sda1"
> },
> "state": "present",
> "validate_certs": true,
> "volume_id": null,
> "wait": true,
> "wait_timeout": 0
> }
> },
> "item": "i-037b59606518XXXXX",
> "snapshot_id": "snap-08d7aeda75dbXXXXX",
> "tags": {
> "frequency": "daily",
> "source": "/dev/sda1"
> },
> "volume_id": "vol-09aec429dfcfXXXXX",
> "volume_size": 8
> },
> {
> "_ansible_item_result": true,
> "_ansible_no_log": false,
> "_ansible_parsed": true,
> "changed": true,
> "invocation": {
> "module_args": {
> "aws_access_key": null,
> "aws_secret_key": null,
> "description": "snapshot of /dev/sda1 from
> i-04452f010e4XXXXX taken 2017/03/22-17:20",
> "device_name": "/dev/sda1",
> "ec2_url": null,
> "instance_id": "i-04452f010e4cXXXXX",
> "last_snapshot_min_age": 0,
> "profile": null,
> "region": "us-east-1",
> "security_token": null,
> "snapshot_id": null,
> "snapshot_tags": {
> "frequency": "daily",
> "source": "/dev/sda1"
> },
> "state": "present",
> "validate_certs": true,
> "volume_id": null,
> "wait": true,
> "wait_timeout": 0
> }
> },
> "item": "i-04452f010e4caXXXXX",
> "snapshot_id": "snap-0f8cb9b9d7b4XXXXX",
> "tags": {
> "frequency": "daily",
> "source": "/dev/sda1"
> },
> "volume_id": "vol-0e0516ea9623XXXXX",
> "volume_size": 15
> }
> ]
> }
> }
>
>
>
>
>
>
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