Deploy_on_Container_using_Ansible.MD

Deploy on a docker container using Ansible

Jenkins Job name: Deploy_on_Container_using_ansible

Pre-requisites

1. Jenkins server
2. Docker-host server
3. Ansible server
4. Dockerfile under /opt/docker on Ansible server Get Help Here

   # Pull tomcat latest image from dockerhub 
   From tomcat
   # Maintainer
   MAINTAINER "AR Shankar" 
   
   # copy war file on to container 
   COPY ./webapp.war /usr/local/tomcat/webapps

5. Create create-docker-image.yml unser /opt/docker on Ansible server Get Help Here

   ---
   - hosts: all
     #ansadmin doesn't need root access to create an image
     become: true 
   
     tasks:
     - name: building docker image
       command: "docker build -t simple-devops-image ." 
       args:
         chdir: /opt/docker

6. Create create-docker-image.yml under /opt/docker on Ansible server Get Help Here

   ---
   - hosts: all
     become: ture
   
     tasks:
     - name: creating docker image using docker command
       command: docker run -d --name simple-devops-container -p 8080:8080 simple-devops-image
   

Integration between Ansible-control-node and Jenkins

Install "publish Over SSH"

• Manage Jenkins > Manage Plugins > Available > Publish over SSH

Enable connection between Ansible-control-node and Jenkins

• Manage Jenkins > Configure System > Publish Over SSH > SSH Servers

  • SSH Servers: - Name: ansible-server

    • Hostname:<ServerIP>

    • username: ansadmin

    • Advanced > chose Use password authentication, or use a different key

    • password: *******

Steps to create "Deploy_on_Container_using_ansible" Jenkin job

From Jenkins home page select "New Item"

• Enter an item name: Deploy_on_Container_using_ansible

  • Copy from: Deploy_on_Container

• Source Code Management:

  • Repository: https://github.com/yankils/hello-world.git
  • Branches to build : */master

• Poll SCM : - * * * *

• Build:

  • Root POM:pom.xml
  • Goals and options: clean install package

• Post-build Actions

  • Send build artifacts over SSH
    • SSH Publishers
    • SSH Server Name: ansible-server
    • Transfers > Transfer set
      • Source files: webapp/target/*.war
      • Remove prefix: webapp/target
      • Remote directory: //opt//docker
      • Exec command:

        ansible-playbook -i /opt/docker/hosts /opt/docker/create-docker-image.yml;

Save and run the job now.