StartUp-Solutions/Aravind at master · ARAVINDTrainings/StartUp-Solutions · GitHub

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Aravind
Ansible Installation process in Master
===================================================
yum install epel-release -y
yum install ansible -y
ansible --version
cd /etc/ansible (we can see hosts file)
ansible --list-hosts all
vi /etc/ansible/hosts   (Add the servers in Inventory/hosts file)
[redhat]
172.31.85.233

[debian]
172.31.94.133

ansible -m ping redhat
ansible -m ping all

<node_name> ansible_host=<pvt_ip> ansible_user =<username>  ansible_ssh_private_key_file = <*.pem>

n1 ansible_host=172.31.81.39 ansible_user=ec2-user ansible_ssh_private_key_file=/root/Ansible.pem
n2 ansible_host=172.31.93.28 ansible_user=ec2-user ansible_ssh_private_key_file=/root/Ansible.pem


adhoc commands
----------------------------------
ansible -m command -a "ls" all –b
ansible -m yum  -a "pkg=git state=present/absent/latest" -b all
ansible -m service -a "name=httpd state=started" -b all
ansible -m user -a "name=Chris state=present" -b all

playbooks
-------------------------------
vi /etc/ansible/ansible.cfg
interpreter_python=auto_silent
command_warnings=False

---
- hosts: all
  become: true
  tasks:
  - user: name=John

---
- name: Installing package
  hosts: all
  become: true
  tasks:
  - name: Installing git package
    yum:
      name: git
      state: installed

---
- name: Creating a file
  hosts: all
  become: true
  tasks:
  - name: Creating a file
    file:
      path: /home/ec2-user/testfile
      state: touch

---
- name: Copying a file
  hosts: all
  become: true
  tasks:
  - name: Copying a file
    copy:
      src: /home/ec2-user/index.html
      dest: /home/ec2-user/

---
- name: Installing httpd
  hosts: all
  become: true
  tasks:
  - name: Installing httpd
    yum:
      name: httpd
      state: installed
  - name: Start service httpd
    service:
      name: httpd
      state: started


handlers
---------------------------

---
- name: Installing httpd
  hosts: all
  become: true
  tasks:
  - name: Installing httpd
    yum:
      name: httpd
      state:
    notify: start httpd service
  handlers:
  - name: start httpd service
    service:
      name: httpd
      state: started


TOMCAT Installation in test server using linux
---------------------------------------------
yum install java-1.8* -y
download tomcat (wget https://dlcdn.apache.org/tomcat/tomcat-9/v9.0.56/bin/apache-tomcat-9.0.56.tar.gz)
tar -xvzf apache-tomcat-9.0.56.tar.gz
cd apache-tomcat-9.0.56.tar.gz/bin/
./startup.sh

Tomcat Installation using Playbooks
==================================
---
- name: Setup Tomcat
  hosts: node3
  become: true

  tasks:
  - name: Install Java in Redhat
    yum:
      name: java
      state: installed
    when: ansible_os_family == "RedHat"

  - name: Install Java in Debian
    apt:
      name: default-jdk
      state: present
    when: ansible_os_family == "Debian"

  - name: Download Tomcat
    get_url:
      url: https://dlcdn.apache.org/tomcat/tomcat-9/v9.0.56/bin/apache-tomcat-9.0.56.tar.gz