blockinfile is the right choice
anyway I'm not sure if the argument block is necessary
fusillator@catorcio:~/Code/ansible/test$ cat resolv.conf
nameserver 8.8.8.8
nameserver 13.2.7.8
nameserver 13.2.7.9
nameserver 13.2.7.10
search eu.ro.net mrtools.ro.com mit.gbr.ro.com
fusillator@catorcio:~/Code/ansible/test$ cat blockinfile.yml
- hosts: localhost
tasks:
- name: remove block regexps
blockinfile:
path: "./resolv.conf"
marker: "{mark}"
marker_begin: "nameserver 13.2.7.8"
marker_end: "search eu.ro.net mrtools.ro.com mit.gbr.ro.com"
state: absent
backup: yes
fusillator@catorcio:~/Code/ansible/test$ ansible-playbook blockinfile.yml
PLAY [localhost]
**************************************************************************************************************************************************************************************************************************************************************
TASK [Gathering Facts]
********************************************************************************************************************************************************************************************************************************************************
ok: [localhost]
TASK [remove block regexps]
***************************************************************************************************************************************************************************************************************************************************
changed: [localhost]
PLAY RECAP
********************************************************************************************************************************************************************************************************************************************************************
localhost : ok=2 changed=1 unreachable=0
failed=0
fusillator@catorcio:~/Code/ansible/test$ cat resolv.conf
nameserver 8.8.8.8
Can you launch the playbook with increased verbosity to analyze the
failure?
Maybe it could be useful the debug feature to shorten the test:
https://docs.ansible.com/ansible/latest/user_guide/playbooks_debugger.html
Unfortunatly at the moment I'm not on a rhel host.
Try also to check audit log for selinux restrictions
sealert -a /var/log/audit.log
regards
Luca
Il giorno mercoledì 27 febbraio 2019 10:54:46 UTC+1, Deepan M ha scritto:
>
> Hello Luca,
>
>
> *Are you sure the problem is ansible?*
> :-Not Sure, same playbook is working on rhel6 but not in rhel7, means no
> error.
>
> *the playbook fails? what's the shown message? *
>
> :-no, playbook is working successfully in rhel 6, but rhel 7 its failing,
> not only resolv.conf even i tried with dummy file created on /tmp however
> that also failed.
>
> *:-Or the problem is that the configuration are reset on reboot?*
>
> no configuration issue
>
> *Furthermore I don't get why you use the argument block with blockinfile
> in order to remove the block.. isn't unnecessary?*
>
> :- is there any module did ansible is having it for removing block in file
> ?
>
> Thanks,
> Deepan M
>
> On Wednesday, February 27, 2019 at 12:04:04 AM UTC+5:30, fusillator wrote:
>>
>> take a look at /var/log/messages for line with
>>
>> updated /etc/resolv.conf
>> see more details at https://access.redhat.com/solutions/7412
>>
>>
>> Il giorno martedì 26 febbraio 2019 19:23:25 UTC+1, fusillator ha scritto:
>>>
>>> Are you sure the problem is ansible?
>>> the playbook fails? what's the shown message?
>>> Or the problem is that the configuration are reset on reboot?
>>>
>>> regards
>>>
>>> Luca
>>>
>>>
>>> Il giorno martedì 26 febbraio 2019 15:49:35 UTC+1, Deepan M ha scritto:
>>>>
>>>>
>>>> Hello Guys,
>>>>
>>>> Can someone please help me to resolve this issue.
>>>>
>>>> below playbook i have created to remove dns entries from resolv.conf
>>>> and its working perfect on rhel 6 but not in rhel 7.6, is there any bug or
>>>> i need to add any parameters ?
>>>>
>>>>
>>>>
>>>>
>>>> *Playbook :- blockinfile*
>>>> ---
>>>> - hosts: TC2
>>>> become: yes
>>>> tasks:
>>>> - name: remove block regexps
>>>> blockinfile:
>>>> path: /etc/resolv.conf
>>>> marker: "{mark}"
>>>> marker_begin: "nameserver 13.2.7.8 "
>>>> block: |
>>>> nameserver 13.2.7.9
>>>> nameserver 13.2.7.10
>>>> marker_end: "search eu.ro.net mrtools.ro.com mit.gbr.ro.com"
>>>> state: absent
>>>> backup: yes
>>>>
>>>> *Playbook :- lineinfile*
>>>> ---
>>>> - hosts: TC2
>>>> become: yes
>>>> tasks:
>>>> - name: copy the file
>>>> shell: cp -p /etc/resolv.conf /tmp/resolv.conf.$(date +%F_%R)
>>>> - name: remove block lines
>>>> lineinfile:
>>>> dest: /etc/resolv.conf
>>>> regexp: "{{ item.line }}"
>>>> state: absent
>>>> with_items:
>>>> - { line: 'nameserver 13.2.7.8' }
>>>> - { line: 'nameserver 13.2.7.9' }
>>>> - { line: 'nameserver 13.2.7.10' }
>>>> - { line: 'search eu.ro.net mrtools.ro.com mit.gbr.ro.com' }
>>>>
>>>>
>>>>
>>>> *Client server:-*
>>>>
>>>> Hostname: testmachine
>>>> Distro: [redhat-release] Red Hat Enterprise Linux Server release 7.6
>>>> (Maipo)
>>>> [os-release] Red Hat Enterprise Linux 7.6 (Maipo)
>>>> Booted kernel: 3.10.0-957.1.3.el7.x86_64
>>>>
>>>> *ansible control node:-*
>>>> ansible 2.7.7
>>>> config file = /etc/ansible/ansible.cfg
>>>> configured module search path =
>>>> [u'/home/q5c9nf32/.ansible/plugins/modules',
>>>> u'/usr/share/ansible/plugins/modules']
>>>> ansible python module location =
>>>> /usr/lib/python2.7/site-packages/ansible
>>>> executable location = /usr/bin/ansible
>>>> python version = 2.7.5 (default, Sep 12 2018, 05:31:16) [GCC 4.8.5
>>>> 20150623 (Red Hat 4.8.5-36)]
>>>>
>>>>
>>>>
>>>> Thanks,
>>>> Deepan M
>>>>
>>>
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