Hi Luca,
I tried by removing blank space, even though its not working! seems # is
not allowing to execute, can you please tell what can be done here!
cat resolve.yml
---
- hosts: TC2
become: yes
tasks:
- name: remove block regexps
blockinfile:
path: /tmp/resolv.conf
marker: "{mark}"
marker_begin: "nameserver 13.2.7.8 #dns1"
marker_end: "search eu.ro.net mrtools.ro.com mit.gbr.ro.com"
state: absent
backup: yes
Thanks,
Deepan M
On Wednesday, February 27, 2019 at 4:36:58 PM UTC+5:30, fusillator wrote:
>
> So you solved..
> The blank counts for the matching of the marker lines..
>
> 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
> fusillator@catorcio:~/Code/ansible/test$ cat resolv.conf
> resolv.conf
> resolv.conf.3339.2019-02-26@20:21:57~
> resolv.conf.3740.2019-02-27@11:09:34~
> resolv.conf.4381.2019-02-27@12:03:36~
> fusillator@catorcio:~/Code/ansible/test$ cat resolv.conf
> resolv.conf
> resolv.conf.3339.2019-02-26@20:21:57~
> resolv.conf.3740.2019-02-27@11:09:34~
> resolv.conf.4381.2019-02-27@12:03:36~
> fusillator@catorcio:~/Code/ansible/test$ cat
> resolv.conf.4381.2019-02-27@12\:03\:36~
> nameserver 8.8.8.8
> nameserver 13.2.7.8 #dns
> 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 #dns"
> marker_end: "search eu.ro.net mrtools.ro.com mit.gbr.ro.com"
> state: absent
> backup: yes
>
> regards
>
> Luca
>
>
> Il giorno mercoledì 27 febbraio 2019 11:59:05 UTC+1, Deepan M ha scritto:
>>
>> Hi Luca,
>>
>> Perfectly working what you have suggested.
>>
>> I need one more suggestion, below is the content i want remove but when
>> the line ends with #name its not working ? do you know how to remove with
>> that also?
>>
>> *Playbook:-*
>>
>> cat resolve.yml
>> ---
>> - hosts: TC2
>> become: yes
>> tasks:
>> - name: remove block regexps
>> blockinfile:
>> path: /tmp/resolv.conf
>> marker: "{mark}"
>> marker_begin: "nameserver 13.2.7.8 # dns1"
>> block: |
>> nameserver 13.2.7.9 # dns2
>> nameserver 13.2.7.10 # dns3
>> marker_end: "search eu.ro.net mrtools.ro.com mit.gbr.ro.com"
>> state: absent
>> backup: yes
>>
>>
>>
>> *Client Side:-*
>> # cat resolv.conf
>> nameserver 13.2.7.8 # dns1
>> nameserver 13.2.7.9 # dns2
>> nameserver 13.2.7.10 # dns3
>> search eu.ro.net mrtools.ro.com mit.gbr.ro.com
>>
>> Thanks,
>> Deepan M
>>
>> On Wednesday, February 27, 2019 at 3:57:36 PM UTC+5:30, fusillator wrote:
>>>
>>> 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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