Ansible - Automation Choral Hands-on Solution | TCS Fresco Play | Fresco Play

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pwd: present working directory

ls: list contents in present directory

cd ..: move one folder up

mkdir: create directory

rm -rf dir_name: remove non-empty directory forcefully

rm file_name: remove file/directory

vi file_name: edit/create a file. Press i for insert mode, Esc to come out of insert mode, :wq to save the file and exit from vi editor, :q! to exit from vi editor without saving the file.

---

- hosts: all

  vars:

    var: 20

  tasks:    

    - debug: msg="Variable 'var' is set to {{ var }}"

****************************

Hands On2:

touch afile.txt.

ansible all -i myhosts -m copy -a "src=afile.txt dest=/home/ubuntu/"

vi test.yml

- name: copy files

  hosts: all

  tasks: 

    - name: copy file

      command: cp afile.txt /home/ubuntu/afile_copy.txt

      register: output

    - debug: var=output

***************************

Special Tags:

---

- name: Special Tags

  hosts: all

  sudo: yes

  tasks:

    - name: location 1

      debug: msg="california"      

    - name: location 2

      debug: msg="mumbai"

      tags:

        - tag1

    - name: location 3

      debug: msg="bangalore"

      tags:

        - tag2

    - name: location 4

      debug: msg="chennai"      

      tags:

        - always

ansible-playbook -i myhosts tag.yml --tags "tag1"

ansible-playbook -i myhosts tag.yml --tags "tagged"

ansible-playbook -i myhosts tag.yml --tags "untagged"

ansible-playbook -i myhosts tag.yml --tags "untagged" --skip-tags "always"

************************************

Create apache.yml file with the following content:

---

  - name: install apache2

    apt: name=apache2 update_cache=yes state=latest      

  - name: displaying message

    debug: msg="you are awesome!!"

Create create_folder.yml file with the following content:

---

- name: creating folder

  file: path=/home/ubuntu/folder1 state=directory

Create content.yml file with the following content:

---

  - name: list contents of directory in host

    command: ls /home/ubuntu

    register: contents

  - name: check dir is empty

    debug: msg="Directory is empty"

    when: contents.stdout == ""

  - name: check dir has contents

    debug: msg="Directory is not empty"

    when: contents.stdout != ""

Create nginx.yml file with the following content:

---

  - name: installing nginx

    hosts: all

    sudo: yes

    tasks:

      - name: install nginx

        apt: name=nginx update_cache=yes state=latest      

      - name: displaying message

        debug: msg="yayy!! nginx installed"

Execute the playbook: ansible-playbook -i myhosts playbook_include.yml

Ensure that all the files are included as tasks, except the last file (nginx.yml) which is included as play.

mkdir roles

sed -i '$ a roles_path = /home/scrapbook/tutorial/roles/' ansible.cfg