Hi Todd,
Thanks for assisting me on it, I did configure the playbook on my test
machines and here is the output:
root@ansible-master /]# ansible-playbook hostname1.yml
PLAY [all]
******************************************************************************************************************************
TASK [Gathering Facts]
******************************************************************************************************************
ok: [ansible-client]
ok: [ansible-client1]
TASK [show file contents]
***************************************************************************************************************
ok: [ansible-client] => {
"msg": "Linux ansible-client 4.18.0-348.el8.x86_64\nLinux
ansible-client1 4.18.0-348.el8.x86_64"
}
ok: [ansible-client1] => {
"msg": "Linux ansible-client 4.18.0-348.el8.x86_64\nLinux
ansible-client1 4.18.0-348.el8.x86_64"
}
TASK [Correct kernel?]
******************************************************************************************************************
ok: [ansible-client]
ok: [ansible-client1]
TASK [Report via Debug]
*****************************************************************************************************************
ok: [ansible-client] => {
"msg": "Kernel_expectations_missed:\n\nKernel_expectations_matched:\n-
ansible-client\n- ansible-client1\n\nKernel_expectations_error:\n\n"
}
PLAY RECAP
******************************************************************************************************************************
ansible-client : ok=4 changed=0 unreachable=0 failed=0
skipped=0 rescued=0 ignored=0
ansible-client1 : ok=3 changed=0 unreachable=0 failed=0
skipped=0 rescued=0 ignored=0
[root@ansible-master /]#
On Friday, December 31, 2021 at 10:56:42 AM UTC+5:30 Marian Saldhana wrote:
> Thanks Todd, appreciate your guidance.
>
> On Thursday, December 30, 2021 at 8:59:08 PM UTC+5:30 [email protected]
> wrote:
>
>> Assuming “hostname” means a fully qualified domain name, then the
>> following may help you.
>>
>> ---- hosts: all
>> gather_facts: True
>> become: false
>> tasks:
>> - name: show file contents
>> debug:
>> msg: "{{ lookup('file', 'customer-expects.txt') }}"
>>
>> - name: Correct kernel?
>> set_fact:
>> # These dashes matter.
>> expectation: |-
>> {%- if lookup('file', 'customer-expects.txt')
>> is regex([ansible_system,ansible_fqdn,ansible_kernel]|join('
>> ')|regex_escape()) -%}
>> matched
>> {%- else -%}
>> missed
>> {%- endif -%}
>> - name: Report via Debug
>> run_once: True
>> debug:
>> msg: |
>> {% for exp in ['missed', 'matched', 'error'] %}
>> Kernel_expectations_{{ exp }}:
>> {% for hosti in ansible_play_hosts_all|sort %}
>> {% if hostvars[hosti]['expectation']|d('error') == exp %}
>> - {{ hosti }}
>> {% endif %}
>> {% endfor %}
>> {% endfor %}
>>
>> This produces the following output given the command
>>
>> ANSIBLE_STDOUT_CALLBACK=yaml ansible-playbook customer-expects.yml
>> --limit flakey.sample.net,shaggy.sample.net,scooby.sample.net,
>> clyde.sample.net -v
>>
>> Using /home/utoddl/.ansible.cfg as config file
>>
>> PLAY [all] ******************************
>>
>> TASK [Gathering Facts] ****************
>> fatal: [flakey.sample.net]: UNREACHABLE! => changed=false
>> msg: 'Failed to connect to the host via ssh: [email protected]:
>> Permission denied (publickey,gssapi-keyex,gssapi-with-mic).'
>> unreachable: true
>> ok: [scooby.sample.net]
>> ok: [shaggy.sample.net]
>> ok: [clyde.sample.net]
>>
>> TASK [show file contents] **************
>> ok: [clyde.sample.net] =>
>> msg: |-
>> Linux flakey.sample.net 5.15.11-200.fc35.x86_64
>> Linux clyde.sample.net 5.15.11-200.fc35.x86_64
>> Linux shaggy.sample.net 5.15.11-200.fc35.x86_64
>> Linux scooby.sample.net 5.15.11-200.fc35.x86_64
>> Linux loaner.sample.net 5.15.11-200.fc35.x86_64
>>
>> TASK [Correct kernel?] *****************
>> ok: [clyde.sample.net] => changed=false
>> ansible_facts:
>> expectation: matched
>> ok: [shaggy.sample.net] => changed=false
>> ansible_facts:
>> expectation: missed
>> ok: [scooby.sample.net] => changed=false
>> ansible_facts:
>> expectation: matched
>>
>> TASK [Report via Debug] **************
>> ok: [clyde.sample.net] =>
>> msg: |-
>> Kernel_expectations_missed:
>> - shaggy.sample.net
>>
>> Kernel_expectations_matched:
>> - clyde.sample.net
>> - scooby.sample.net
>>
>> Kernel_expectations_error:
>> - flakey.sample.net
>>
>> PLAY RECAP ***************************clyde.sample.net : ok=4
>> changed=0 unreachable=0 failed=0 skipped=0 rescued=0
>> ignored=0 shaggy.sample.net : ok=2 changed=0 unreachable=0
>> failed=0 skipped=0 rescued=0 ignored=0 flakey.sample.net :
>> ok=0 changed=0 unreachable=1 failed=0 skipped=0 rescued=0
>> ignored=0 scooby.sample.net : ok=2 changed=0 unreachable=0
>> failed=0 skipped=0 rescued=0 ignored=0
>>
>> On 12/29/21 9:46 PM, Marian Saldhana wrote:
>>
>> Thanks for your reply.
>>
>> *Expected value is: - Linux hostname 4.18.0-193.el8.x86_64 ( The
>> customer has RHEL 8.2 running in its env )*
>> I have 100 such lines given to me by the customer ( OS inventory ) where
>> 80% of the values that I receive by running the ansible standard module
>> matches with the expected value given by the customer. I need to understand
>> how these values can be matched with the values given by the customer.
>>
>>
>>
>>
>> On Wednesday, December 29, 2021 at 10:56:06 PM UTC+5:30 [email protected]
>> wrote:
>>
>>> What, exactly, do the "values given by the customer" look like? It
>>> almost certainly isn't going to match the output of `uname -a`. (I'm
>>> guessing. But please, don't make us guess; give us the details of the
>>> actual problem.)
>>>
>>> On Monday, December 27, 2021 at 11:58:39 PM UTC-5 [email protected]
>>> wrote:
>>>
>>>> Hi All,
>>>>
>>>> This is my code:
>>>>
>>>> ---
>>>> # tasks file for uname
>>>>
>>>> - name: Kernel version number
>>>> register: uname_a
>>>> command: "uname -a"
>>>>
>>>> - debug:
>>>> var: uname_a.stdout_lines
>>>>
>>>> +++
>>>>
>>>> TASK [uname_tab1 : debug]
>>>> ***************************************************************************************************************
>>>> ok: [192.168.43.237] => {
>>>> "uname_a.stdout_lines": [
>>>> "Linux ansible-client 4.18.0-348.el8.x86_64 #1 SMP Tue Oct 19
>>>> 15:14:17 UTC 2021 x86_64 x86_64 x86_64 GNU/Linux"
>>>> ]
>>>> }
>>>> ok: [192.168.43.6] => {
>>>> "uname_a.stdout_lines": [
>>>> "Linux ansible-client1 4.18.0-348.el8.x86_64 #1 SMP Tue Oct 19
>>>> 15:14:17 UTC 2021 x86_64 x86_64 x86_64 GNU/Linux"
>>>> ]
>>>> }
>>>>
>>>> ++++
>>>>
>>>> Now I need to compare these values with the values given by the
>>>> customer ( Linux ansible-client1 4.18.0-348.el8.x86_64 ) hence request
>>>> your
>>>> assistance out here to write a program.
>>>> On Wednesday, December 22, 2021 at 5:36:21 AM UTC+5:30 [email protected]
>>>> wrote:
>>>>
>>>>> That kind of info can be obtained with "gather facts" step, which is
>>>>> the first step when running a playbook.
>>>>>
>>>>> You just have to comparte returned info in ansible variables like
>>>>> "ansible_distribution" and "ansible_distribution_version" with the
>>>>> expected
>>>>> value. You can store expected value in a local dictionary that uses
>>>>> hostname as the key value.
>>>>>
>>>>> El martes, 21 de diciembre de 2021 a la(s) 08:15:15 UTC-3,
>>>>> [email protected] escribió:
>>>>>
>>>>>> Thanks for your reply.
>>>>>>
>>>>>> I want to automate tasks such as verifying the OS version of remote
>>>>>> nodes.
>>>>>>
>>>>>> The customer has given me the expected value i.e. Centos version 8.2
>>>>>>
>>>>>> Through automation I wish to get the OS version of the remotes nodes
>>>>>> and then compare that value with the value that I have received from the
>>>>>> customer through ansible playbooks.
>>>>>> On Tuesday, December 21, 2021 at 4:06:57 PM UTC+5:30
>>>>>> [email protected] wrote:
>>>>>>
>>>>>>> You need to elaborate some more, I can't make anything of your
>>>>>>> story.
>>>>>>> Give some real world examples of the tasks that you're trying to
>>>>>>> automate.
>>>>>>>
>>>>>>> On Tue, 21 Dec 2021 at 07:22, Marian Saldhana <[email protected]>
>>>>>>> wrote:
>>>>>>>
>>>>>>>> Hi All,
>>>>>>>>
>>>>>>>> As I am new to ansible i need to write a role which compares input
>>>>>>>> /output value.
>>>>>>>>
>>>>>>>> Let me elaborate.
>>>>>>>>
>>>>>>>> I need to write a role where I already have expected value, for eg
>>>>>>>> hostname of ansible remote node - abc.
>>>>>>>>
>>>>>>>> Now I need to write a role which first will fetch the value from
>>>>>>>> the remote node and then compare the fetched value with the expected
>>>>>>>> value
>>>>>>>> ( abc ) I have with me.
>>>>>>>>
>>>>>>>> Thanks.
>>>>>>>>
>>>>>>>>
>>>>>>>> --
>>>>>>>> You received this message because you are subscribed to the Google
>>>>>>>> Groups "Ansible Project" group.
>>>>>>>> To unsubscribe from this group and stop receiving emails from it,
>>>>>>>> send an email to [email protected].
>>>>>>>> To view this discussion on the web visit
>>>>>>>> https://groups.google.com/d/msgid/ansible-project/b708d4e2-ded7-44f0-b68a-866e93ec860bn%40googlegroups.com
>>>>>>>>
>>>>>>>> <https://groups.google.com/d/msgid/ansible-project/b708d4e2-ded7-44f0-b68a-866e93ec860bn%40googlegroups.com?utm_medium=email&utm_source=footer>
>>>>>>>> .
>>>>>>>>
>>>>>>> --
>>>>>>> Sent from a mobile device - please excuse the brevity, spelling and
>>>>>>> punctuation.
>>>>>>>
>>>>>> --
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>>
>> To view this discussion on the web visit
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>>
>> <https://groups.google.com/d/msgid/ansible-project/3f4e20ff-2ece-4441-ae03-d70a5802ca2cn%40googlegroups.com?utm_medium=email&utm_source=footer>
>> .
>>
>>
>>
>> --
>> Todd
>>
>>
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