Hi Team,
I have changed to standard jinja2 template , even then the error is same.
It fails to find xvdb but it finds xvda2 . The syntax to extract UUID is
same and both values are present in the ansible localhost -m setup command
output . This playbook is running on localhost only.
```
UUID={{ ansible_facts['device_links']['uuids']['xvda2'][0] }} / {{
ansible_facts['mounts'][0].fstype }} defaults 0 0
UUID_home={{ ansible_facts['device_links']['uuids']['xvdb'][0] }} /home
{{ ansible_facts['mounts'][0].fstype }} defaults 0 0
UUID_var={{ ansible_facts['device_links']['uuids']['xvdc'][0] }} /var
{{ ansible_facts['mounts'][0].fstype }} defaults 0 0
UUID_swap={{ ansible_facts['device_links']['uuids']['xvdd'][0] }} swap
swap defaults 0 0
```
Regards
Sachin Kumar
On Thursday, May 18, 2023 at 11:42:51 AM UTC+5:30 Sac Isilia wrote:
> Hi Team,
>
> The standard way to access is -
> ansible_facts['device_links']['uuids']['xvdb'][0] . It works on existing
> rhel 7 machine but it fails there. Also if the syntax is wrong it should
> have failed at xvda2 line , the very first line of jinja2 template. WHy it
> failed at second line ? That's strange . What should be the correct way to
> extract uuid that works in jinja2 template.
>
> Regards
> Sachin Kumar
>
> On Thursday, May 18, 2023 at 11:24:48 AM UTC+5:30 Dick Visser wrote:
>
>> On Thu, 18 May 2023 at 03:14, Sac Isilia <udayprata...@gmail.com> wrote:
>>
>>> Hi Team,
>>>
>>> Below is the jinja template that I wrote that works fine on existing
>>> RHEL 7 machine .
>>>
>>> ```
>>> UUID={{
>>> hostvars['localhost']['ansible_facts']['device_links']['uuids']['xvda2'][0]
>>> }} / {{ ansible_facts['mounts'][0].fstype }} defaults 0 0
>>>
>>
>>
>>
>>> UUID_home={{
>>> hostvars['localhost']['ansible_facts']['device_links']['uuids']['xvdb'][0]
>>> }}
>>>
>>
>>
>>
>> /home {{ ansible_facts['mounts'][0].fstype }} defaults 0 0
>>> UUID_var={{
>>> hostvars['localhost']['ansible_facts']['device_links']['uuids']['xvdc'][0]
>>> }} /var {{ ansible_facts['mounts'][0].fstype }} defaults 0 0
>>> UUID_swap={{
>>> hostvars['localhost']['ansible_facts']['device_links']['uuids']['xvdd'][0]
>>> }} swap swap defaults 0 0
>>> ```
>>>
>>> It works fine on existing test RHEL 7 machine but it fails when I am
>>> trying to run this template in our Jenkins job with below error.
>>>
>>> ```
>>> An exception occurred during task execution. To see the full traceback,
>>> use -vvv. The error was: AnsibleUndefinedVariable: 'dict object' has no
>>> attribute 'xvdb'
>>> ```
>>>
>>> I tried running ansible localhost -m setup and the above paths actually
>>> exist and xvdb entry is also there. My main doubt is the playbook parsed
>>> xvda2 line but fails at xvdb. Why? Below is the relevant output of ansible
>>> setup command.
>>>
>>> ```
>>>
>>
>>
>> \"ansible_device_links\": {",
>>>
>>
>> This is different from what you have in the template:
>>
>> hostvars['localhost']['ansible_facts']['device_links']
>>
>> Also are you sure this "Jenkins" is targeting the right host? That could
>> be the problem.
>>
>>
>>
>>
>>> " \"ids\": {}, ",
>>> " \"labels\": {}, ",
>>> " \"masters\": {}, ",
>>> \"uuids\": {",
>>> \"xvda2\": [",
>>> \"87be522b-2b75-4150-879d-4ee109559f7e\"",
>>> ], ",
>>> \"xvdb\": [",
>>> \"da750c25-cc98-4c2a-a5fe-24bbf42c210e\"",
>>> " ], ",
>>> " \"xvdc\": [",
>>> " \"c2d5f1dc-5840-40bf-9a54-bb8fb215fbec\"",
>>> " ], ",
>>> " \"xvdd\": [",
>>> " \"3b78b0ff-cc18-49ff-80b4-f21ca0a1234e\"",
>>> " ]",
>>> " }",
>>> " }, ",
>>> ```
>>>
>>> Please help me to resolve this
>>>
>>> Regards
>>> Sachin Kumar
>>>
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