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July 3, 2019 10:29
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hp-ansible-classroom-playbook-june-2019-batch1.md
INCLUDING another YAML: ====================== [root@localhost ~]# cat include_another.yaml --- - name: "Lab exercise - Include another yaml" hosts: webservices vars: myname: "Swetha-playbook" mycompany: "hp-playbook" tasks: - debug: msg: - "Inside playbook debug mode: {{ myname }} trying including loop.yaml" - name: Include a play after another play include: loop.yaml ... VARIABLES Examples: =================== [root@localhost ~]# cat variable1.yaml --- - name: "Lab exercise 4 - 1" hosts: webservices tasks: - name: Create a group called deploy group: name=deploy state=present - debug: msg: - "Inside playbook debug mode: {{ myname }}" ... VARIABLES Examples #2: ========================= [root@localhost ~]# cat one.yaml --- - name: "Lab exercise 4 - 1" hosts: webservices vars: myname: "Swetha-playbook" mycompany: "hp-playbook" tasks: - name: Create a group called deploy group: name=deploy state=present - debug: msg: - "Inside playbook debug mode: {{ myname }}" ... EXTERNAL Vars Examples: ===================== [root@localhost ~]# cat ext_var.yaml --- - name: "Lab exercise 4 - 1" hosts: common hosts: db hosts: webservices vars: myname: "Swetha-playbook" mycompany: "hp-playbook" vars_files: - "external_vars.yaml" vars_prompt: - name: "myname" private: no prompt: "What is your name???" - name: "mycompany" private: no prompt: "What is your company???" tasks: - name: Create a group called deploy group: name=deploy state=present - name: include default step variables include_vars: include_external_vars.yaml - debug: msg: - "Inside playbook debug mode: {{ myname }}" - "Inside playbook debug mode: {{ mycompany }}" - "Inside playbook debug mode myage defined only in inventory file: {{ myage }}" - debug: var: ansible_product_uuid - debug: var=ansible_product_uuid - debug: msg="{{ mycompany }} {{ myage }} {{ myname }}" - debug: msg={{ mycompany }} - debug: msg={{ myage }} - debug: msg={{ myname }} - debug: msg={{ ansible_product_uuid }} ... [root@localhost ~]# [root@localhost ~]# cat external_vars.yaml --- myname: "Swetha-externalfile" mycompany: "hp-externalfile" myage: "8-externalfile" ... REGISTER Example: ================= On ACS: ======= [root@localhost ~]# cat register.yaml --- - name: "Lab exercise 4 - 1" hosts: webservices vars: myname: "Swetha-playbook" mycompany: "hp-playbook" tasks: - name: Ansible register variable basic example shell: "find *.txt" args: chdir: /tmp register: find_output - debug: var: find_output ... [root@localhost ~]# ansible-playbook -i inventory register.yaml REGISTER Example#2: ====================== On ACS: ======= [root@localhost ~]# cat register2.yaml --- - name: "Lab exercise 4 - 1" hosts: webservices vars: myname: "Swetha-playbook" mycompany: "hp-playbook" tasks: - name: Ansible register with_items example shell: "find *.txt" args: chdir: /tmp register: with_output - shell: "cp /tmp/{{ item }} /tmp/{{item}}_bkp" with_items: - "{{ with_output.stdout_lines }}" ... [root@localhost ~]# Output on ARS: ============== [root@localhost tmp]# ls -lrt /tmp/*bkp -rw-r--r--. 1 root root 0 Jul 2 14:06 /tmp/4.txt_bkp -rw-r--r--. 1 root root 0 Jul 2 14:06 /tmp/5.txt_bkp -rw-r--r--. 1 root root 0 Jul 2 14:06 /tmp/6.txt_bkp [root@localhost tmp]# TEMPLATES & HANDLERS Example: ============================ On ACS: ======= [root@localhost ~]# cat template.yaml --- - name: "Lab exercise 4 - 1" hosts: webservices vars: myname: "Swetha-playbook" mycompany: "hp-playbook" companyname: "hpenterprise" yourname: "swethareddy" age: "8" emailaddress: "xyz" http_port: 80 max_clients: 200 remote_user: root tasks: - name: ensure apache is at the latest version yum: name: httpd state: latest - name: write the apache config file template: src: /srv/httpd.j2 dest: /etc/httpd.conf notify: - restart apache - name: ensure apache is running service: name: httpd state: started handlers: - name: restart apache service: name: httpd state: restarted ... [root@localhost ~]# LOOPS Example: ============= On ACS: ======= [root@localhost ~]# cat loop.yaml --- - name: "Lab exercise loops " hosts: webservices vars: tasks: - command: echo {{ item }} loop: [ 0, 2, 4, 6, 8, 10 ] when: item > 5 ... [root@localhost ~]# ansible-playbook -i inventory loop.yaml PLAY [Lab exercise loops] ************************************************************************************************** TASK [Gathering Facts] ***************************************************************************************************** ok: [10.76.137.151] TASK [command] ************************************************************************************************************* skipping: [10.76.137.151] => (item=0) skipping: [10.76.137.151] => (item=2) skipping: [10.76.137.151] => (item=4) changed: [10.76.137.151] => (item=6) changed: [10.76.137.151] => (item=8) changed: [10.76.137.151] => (item=10) PLAY RECAP ***************************************************************************************************************** 10.76.137.151 : ok=2 changed=1 unreachable=0 failed=0 skipped=0 rescued=0 ignored=0
https://github.com/pitchela/Ansible_Training_July_2019_Swetha
On be-half of Harish
https://github.com/chinnigit/Ansible_Training.git
All the playbooks called through role.
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https://github.com/Ashu110-8/ansible_all_repo