@Dick Visser 

*Wow, that helped, thanks a lot ! *

*Thanks for the valuable suggestions & nice explanation as well *



On Thursday, April 9, 2020 at 12:31:02 AM UTC-7, Dick Visser wrote:
>
> The result from your grep/awk shell task consists of multiple lines, each 
> with one PID.
> So instead of stdout you should use stdout_lines: 
> https://docs.ansible.com/ansible/latest/reference_appendices/common_return_values.html#stdout-lines
>  
>
> Also, you are iterating over a list of 1 item, which is incorrect as well.
>
>
> Also, you're trying to establish something called "os_type" using a shell 
> task, but that is not necessary - this is already available in the ansible 
> facts (which you've explicitly gathered).
> So just use 'ansible_system' instead.
>
> Also, you declare "become: yes", but also "remote_user: root". That's 
> double. Either connect as non-root user and only declare "become: yes" 
> (which implies become_user = root). Or just only declare "remote_user: 
> root".
>
> Try this:
>
> - hosts: temp
>   gather_facts: yes
>   remote_user: root
>   tasks:
>    - name: Adjust OOM to negative so that OOM killer does not kill below 
> processes
>      shell: 'ps -ef|egrep 
> "sssd|wdmd|portreserve|autofs|automount|ypbind|rpcbind|rpc.statd|rpc.mountd|rpc.idampd|ntpd|lmgrd|Xvnc|vncconfig|irqblance|rpc.rquotad|metric|nscd|crond|snpslmd|
> getpwname.pl|mysqld|rsyslogd|xinetd|sendmail|lsf|tigervnc|tightvnc|cfadm" 
> |egrep -ve "ps|egrep" |awk "{print \$2}"'
>      register: oom
>      when: ansible_system == 'Linux'
>    - debug:  var=oom.stdout
>    - name: update the pid 
>      raw: echo -17 > /proc/{{ item }}/oom_adj
>        loop: "{{ oom.stdout_lines }}"
>
>
>
> On Thu, 9 Apr 2020 at 09:06, Kiran Kumar <esxi...@gmail.com <javascript:>> 
> wrote:
>
>>
>> I got this error for below code - FAILED! => {"msg": "template error 
>> while templating string: expected token 'end of print statement', got '='. 
>> String: {{ var=oom.stdout }}"} 
>>
>> Please suggest , i am trying to get pid from shell cmd & then update it 
>> with echo 
>>
>> - hosts: temp
>>>   gather_facts: yes
>>>   become: yes
>>>   remote_user: root
>>>   tasks:
>>>    - name: Capture uname ouput
>>>      shell: "uname"
>>>      register: os_type
>>>    - name: Adjust OOM to negative so that OOM killer does not kill below 
>>> processes
>>>      shell: 'ps -ef|egrep 
>>> "sssd|wdmd|portreserve|autofs|automount|ypbind|rpcbind|rpc.statd|rpc.mountd|rpc.idampd|ntpd|lmgrd|Xvnc|vncconfig|irqblance|rpc.rquotad|metric|nscd|crond|snpslmd|
>>> getpwname.pl|mysqld|rsyslogd|xinetd|sendmail|lsf|tigervnc|tightvnc|cfadm" 
>>> |egrep -ve "ps|egrep" |awk "{print \$2}"'
>>>      register: oom
>>>      when: os_type.stdout == 'Linux'
>>>    - debug:  var=oom.stdout
>>>    - name: update the pid 
>>>      raw: echo -17 > /proc/{{ item.pid }}/oom_adj
>>> with_items:
>>>    - "{{ var=oom.stdout }}"
>>
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>>
>
>
> -- 
> Dick Visser
> Trust & Identity Service Operations Manager
> GÉANT
>

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