On Sunday, March 11, 2018 at 5:21:13 PM UTC+8, Kai Stian Olstad wrote:
>
> On Sunday, 11 March 2018 07.45.48 CET Vino B wrote: 
> > 
> > On Sunday, March 11, 2018 at 3:07:24 AM UTC+8, Kai Stian Olstad wrote: 
> > > 
> > > There are many ways to do that, here is one 
> > > 
> > >   - slurp: 
> > >       src: /etc/default/grub 
> > >     register: r 
> > > 
> > >   - debug: msg="Found it" 
> > >     when: r.content | b64decode | 
> > > regex_search('^GRUB_CMDLINE_LINUX_DEFAULT=.*numa_balancing=disable') 
> > > 
> > > 
> > > 
> > 
> >    Thank you very much, but the above solution always states tune eve 
> when 
> > the search criteria is changed eg. in the above code if you change the 
> > =disable" to ="disbaleX" it should fail, but the output states as 
> successful 
> > 
> > when: r.content | b64decode | 
> > regex_search('^GRUB_CMDLINE_LINUX_DEFAULT=.*numa_balancing=disableX') 
>
> I made a little test and can't confirm this 
>
> $ cat grub 
> GRUB_CMDLINE_LINUX_DEFAULT="root=/dev/hda1 disk=/dev/hda resume=swap 
> console=ttyS0,115200n8 multipath=off net.ifnames=0 
> NON_PERSISTENT_DEVICE_NAMES=1 quiet elevator=noop intel_idle.max_cstate=1 
> processor.max_cstate=1 numa_balancing=disable" 
>
>
> cat test.yml 
> --- 
> - hosts: localhost 
>   tasks: 
>     - slurp: 
>         src: grub 
>       register: r 
>
>     - name: disable 
>       debug: msg="Found it" 
>       when: r.content | b64decode | 
> regex_search('^GRUB_CMDLINE_LINUX_DEFAULT=.*numa_balancing=disable') 
>
>     - name: diableX 
>       debug: msg="Found it" 
>       when: r.content | b64decode | 
> regex_search('^GRUB_CMDLINE_LINUX_DEFAULT=.*numa_balancing=disableX') 
>
>
> Output: 
>
> TASK [disable] ********************************** 
> ok: [localhost] => {} 
>
> MSG: 
>
> Found it 
>
>
> TASK [diableX] ********************************** 
> skipping: [localhost] => { 
>     "changed": false, 
>     "skip_reason": "Conditional result was False" 
> } 
>
>
>
> -- 
> Kai Stian Olstad 
>

Hi Kai,

  Below is the playbook does not execute the debug part , can you help me 
what is wrong in the below play book.

---
- hosts: target
  remote_user: ansible
  become: true
  become_method: sudo
  tasks:
   - slurp:
      src: /etc/default/grub
     register: r
   - name: Check whether AutoNuma is disabled
     debug: msg="Found it"
     when: 
r.content|b64decode|regex_search('^GRUB_CMDLINE_LINUX_DEFAULT=.*numa_balancing=disableX')
 
OUTPUT:

PLAY [target] 
**********************************************************************************************************************************************************

TASK [Gathering Facts] 
*************************************************************************************************************************************************
ok: [10.162.54.34]

TASK [slurp] 
***********************************************************************************************************************************************************
ok: [10.162.54.34]

TASK [Check whether AutoNuma is disabled] 
******************************************************************************************************************************
skipping: [10.162.54.34]

PLAY RECAP 
*************************************************************************************************************************************************************
10.162.54.34               : ok=2    changed=0    unreachable=0    failed=0

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