ActiveState of a systemd service

[Thomas Stephen Lee]

Hi,

I am trying to write a playbook that displays the ActiveState of some
services on a machine. I tried various tips from google but could not
get the information I wanted, which is the "service.ActiveState" .
Below is the bare minimum script.

-----------------%<-----------------

- hosts: localhost
tasks:
- name: Get Service Status
ansible.builtin.systemd:
name: '{{ item }}.service'
register: hello
loop:
- postfix
- rsyslog
- sshd
- debug:
msg: "{{ hello.results | to_nice_json |
json_query('status.ActiveState') }}"

-----------------%<-----------------

The output is

-----------------%<-----------------

PLAY [localhost] ***************************************************************

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

TASK [Get Service Status] ******************************************************
ok: [localhost] => (item=postfix)
ok: [localhost] => (item=rsyslog)
ok: [localhost] => (item=sshd)

TASK [debug] *******************************************************************
ok: [localhost] => {}

PLAY RECAP *********************************************************************
localhost : ok=3 changed=0 unreachable=0
failed=0 skipped=0 rescued=0 ignored=0

-----------------%<-----------------

Kindly advice

Thanks

---
Lee

[Dick Visser]

Can you post the unfiltered variable hello

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[Marian Saldhana]

You can try something like this if it suits your requirements.

+++

- name: Get ypbind service status

  ansible.builtin.systemd:

    name: "ypbind"

  register: ypbind_status

 

- debug:

    var: ypbind_status.status.ActiveState

 

- name: Get smbd service status

  ansible.builtin.systemd:

    name: "smbd"

  register: smbd_status

 

- debug:

    var: smbd_status.status.ActiveState

+++

Output

+++

 

TASK [authentication_service_tab3 : debug] **********************************************************************************************

ok: [192.168.43.237] => {

    "ypbind_status.status.ActiveState": "inactive"

}

ok: [192.168.43.6] => {

    "ypbind_status.status.ActiveState": "inactive"

}

 

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[Thomas Stephen Lee]

Hi @Dick Visser,

https://pastebin.com/Z9KCDJhf

Thanks

---
Lee

On Mon, Dec 27, 2021 at 1:48 PM Dick Visser <dick....@geant.org> wrote:
>

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[Thomas Stephen Lee]

Hi @Marian Saldhana,

I need a loop as I want to add more services and machines.

Thanks
---
Lee

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[Todd Lewis]

You probably want something like this:

- hosts: localhost
  tasks:
  - name: Get Service Status
    ansible.builtin.systemd:
      name: '{{ item }}.service'
    register: hello
    loop:
      - postfix
      - rsyslog
      - sshd

  - name: Dump ActiveState
    debug:
      msg: "{{ hello.results | json_query('[*].{name: name, state: status.ActiveState}') }}"

[Todd Lewis]

which produces:

TASK [Dump ActiveState] **********
ok: [localhost] => {
    "msg": [
        {
            "name": "postfix.service",
            "state": "active"
        },
        {
            "name": "rsyslog.service",
            "state": "active"
        },
        {
            "name": "sshd.service",
            "state": "active"
        }
    ]
}

[Dick Visser]

On Mon, 27 Dec 2021 at 07:32, Thomas Stephen Lee <lee....@gmail.com> wrote:

> - debug:
> msg: "{{ hello.results | to_nice_json |
> json_query('status.ActiveState') }}"

the result var is a list, so if you want a list of a specific key:


- debug: var=results|json_query('[].status.ActiveState')




--
Dick Visser
Trust & Identity Service Operations Manager
GÉANT

[Thomas Stephen Lee]

Hi @Todd Lewis,

That works.

Thanks a lot.

---
Lee

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[Thomas Stephen Lee]

Hi @Dick Visser,

That gives the below output.

-----------------%<-----------------

TASK [debug] *******************************************************************
ok: [localhost] => {

"results|json_query('[].status.ActiveState')": ""
}

-----------------%<-----------------


Thanks

---
Lee

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[Dick Visser]

I meant:

- debug: var=hello|json_query('results[].status.ActiveState')

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[Thomas Stephen Lee]

Hi @Dick Visser,

That gives the below output.

-----------------%<-----------------

TASK [debug] *******************************************************************
ok: [localhost] => {

"hello|json_query('results[].status.ActiveState')": [
"active",
"active",
"active"
]
}

-----------------%<-----------------

I will explore more, thanks a lot.

---
Lee

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[Dick Visser]

I believe this is what you wanted - right?

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[Thomas Stephen Lee]

Hi @Dick Visser,

In my code, I wrote only for the state value, but I also wanted the
name value of the service.
I thought I would figure out the name part once I get the state part working.

My current status is

-----------------%<-----------------
debug:
msg: "{{ hello.results |
json_query('[?status.ActiveState!=`active`].{name: name, state:
status.ActiveState}') | to_nice_json }}"
-----------------%<-----------------

Thanks a lot.

---
Lee

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[Thomas Stephen Lee]

Hi,

My current status is attached.
Very hackish and not 100% Ansible.
It takes 1/2 hour to complete.
Any suggestions are welcome.

Thanks a lot.

---
Lee