Ansible World

[madan gopal]

Hello All,

I am completely new to Ansible and wanted to start my first baby steps with simple playbook which will help me out in my day-to-day works

Problem Statement: To verify remote server uptime both Windows and Linux

Solution: Prompt for ServerName and display uptime of the server

Linux : uptime

Windows: systeminfo | find “System Boot Time:”

This is my playbook which is not working,

---

- name: Get server uptime

   hosts: all

   vars_prompt:

    - name: "Server Name"

      prompt: "Enter VSphere Hostname or IP Address"

      private: no

    - name: "Username"

      prompt: "Enter Server Login Username"

      private: no

     

    - name: "Password"

      prompt: "Enter Server Login Password"

     

   - name: "VMname"

     prompt: "Enter VM Hostname"

     private: no

tasks:

 - name: Get Server uptime first

   shell: uptime

   register: hello

- debug: msg="{{ hello.stdout }}"

- debug: msg="{{ hello.stderr }}"

 - name: Get System date and time

    shell: date

    register: hello

- debug: msg="{{ hello.stdout }}"

- debug: msg="{{ hello.stderr }}"

I tried different ways but, cannot call different OS versions in one playbook.

Any sort of assistance is greatly appreciated.

Note: It should review the Operating System of the Server and accordingly run "uptime" command to display the output.

Regards,

Madan Gopal

[madan gopal]

Helo all,

Can anyone help me with this playbook ? Any path to achieve my end goal also helps

Regards,

Madan

[J C]

I am assuming you are using all of the defaults.  So what does your host file look like?    I normally use ansible on the networking side - so it is little different then servers so take everything i am about to say with a grain of salt.  I don't have a server to test these commands against - this is just how I would start to approach it.  

I would think that you would want use gather facts to find out what server type you are hitting or assign the variable in your host file.   Your vars prompt is not needed, you should have that information in your host file.  When you run your playbook it will use the username that you are logged in as on the control node.  If you want to change that you would use the -u in the command when you execut the playbook.   Also the password you would use a -k in the command.

Also it looks like the shell command module will not work with windows.  ( https://docs.ansible.com/ansible/latest/modules/shell_module.html ) --- It looks like there is a winshell module too though  https://docs.ansible.com/ansible/latest/modules/win_shell_module.html#win-shell-module --- 

So you will need to add a when statement in your tasks to only execute when it is a linux or windows server and create a new task for windows.

You should check out https://docs.ansible.com/ansible/latest/modules/modules_by_category.html to see what all of the modules do.  Ansible has pretty good documentation.  Hope this helps and doesn't muddy the waters too much.

so the host file would be something like this

[Test_Servers]

server1.foo.com

server2.foo.com

server3.foo.com

your playbook would be something like that

---

name: Uptime Play

hosts: Test_Servers

tasks:

 - name: Get Server uptime first

     shell: uptime

     register: hello

   when: ansible_system is "Linux"

- debug: msg="{{ hello.stdout }}"

- debug: msg="{{ hello.stderr }}"

 - name: Get System date and time

    shell: date

    register: hello

- debug: msg="{{ hello.stdout }}"

- debug: msg="{{ hello.stderr }}"

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[madan gopal]

Hello all,

Thank you very much for your inputs. I have modified my playbook as below

---

- name: Get server uptime

  hosts: all

  gather_facts: yes

  vars_prompt:

   - name: "Server Name"

     prompt: "Enter VM Hostname or IP Address"

     private: no

   - name: "Username"

     prompt: "Enter VM Login Username"

     private: no

   - name: "Password"

     prompt: "Enter VM Login Password"

  tasks:

    - block:

       - name: Get Server uptime

         shell: "uptime"

         register: uptime

       - debug:

           var: uptime

       - name: Get System date and time

         shell: "date"

         register: date

       - debug:

           var: date

      when: ansible_os_family == "Linux"

    - block:

       - name: Get Server uptime

         win_command: systeminfo | find "Boot Time"

         register: uptime

       - debug:

           var: uptime

      when: ansible_os_family == "Windows"

Host file is already like you said, my host file looks like this

[Linux]

RHELTest01

[Windows]

WinTest01

Error i am getting,

[test@ansible ~]$ ansible-playbook ServerUptime.yml

Enter VM Hostname or IP Address: test

Enter VM Login Username: test

Enter VM Login Password:

PLAY [Get server uptime] *******************************************************************************************************************************************

TASK [Gathering Facts] *********************************************************************************************************************************************

fatal: [RHELTest01]: UNREACHABLE! => {"changed": false, "msg": "Failed to connect to the host via ssh: Permission denied (publickey,gssapi-keyex,gssapi-with-mic,password).", "unreachable": true}

fatal: [WinTest01]: UNREACHABLE! => {"changed": false, "msg": "Failed to connect to the host via ssh: Nutanix Controller VM\nPermission denied (publickey,password).", "unreachable": true}

PLAY RECAP *********************************************************************************************************************************************************

WinTest01             : ok=0    changed=0    unreachable=1    failed=0    skipped=0    rescued=0    ignored=0

RHELTest01           : ok=0    changed=0    unreachable=1    failed=0    skipped=0    rescued=0    ignored=0

Still my requirement is not fulfilled. It is trying to connect with SSH for Windows machines also.I am looking for a playbook which will take user input and validate the OS to display uptime of the server(VM). Any sort of help is greatly appreciated.

Reggards,

Madan