Pipeline project

Docker/DockerHub.MD

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+## What is Docker Hub Registry
+
+Docker Hub is a cloud-based registry service which allows you to link to code repositories, build your images and test them, stores manually pushed images, and links to Docker Cloud so you can deploy images to your hosts. It provides a centralized resource for container image discovery, distribution and change management, user and team collaboration, and workflow automation throughout the development pipeline.
+
+##### Ref URL : https://docs.docker.com/docker-hub/
+
+1. Create a docker hub account in https://hub.docker.com/
+
+1. Pull a docker image 
+
+   ```sh 
+   docker pull ubuntu
+   ```
+
+1. pull a docker image with the old version
+
+   ```sh
+   docker pull ubuntu:16.04
+   ```
+
+1. create a custom tag to the docker image
+   ```sh
+   docker tag ubuntu:latest valaxy/ubuntu:demo
+   ```
+
+1. login to your docker hub registry 
+   ```sh
+   docker login
+   docker push valaxy/ubuntu:demo
+   ```
+
+### testing 
+
+1. Remove all images in docker server 
+   ```sh 
+   docker image rm -f <Image_id>
+   ```
+
+1. Pull your custom image from your docker account
+   ```sh
+   docker pull valaxy/ubuntu:demo
+   ```
+

Docker/Docker_Commands.MD

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+
+1. how to search a docker image in hub.docker.com
+```sh
+docker search httpd
+```
+2. Download a docker image from hub.docker.com
+```sh
+docker image pull <image_name>:<image_version/tag>
+```
+
+3. List out docker images from your local system
+```sh
+docker image ls
+```
+
+4. Create/run/start a docker container from image
+```sh
+docker run -d --name <container_Name> <image_name>:<image_version/tag>
+
+d - run your container in back ground (detached)
+```
+
+5. Expose your application to host server
+```sh
+docker run -d  -p <host_port>:<container_port> --name <container_Name> <image_name>:<Image_version/tag>
+
+docker run -d --name httpd_server -p 8080:80 httpd:2.2
+```
+
+6. List out running containers
+```sh
+docker ps
+```
+
+7. List out all docker container (running, stpooed, terminated, etc...)
+```sh
+docker ps -a
+```
+
+8. run a OS based container which interactive mode (nothing but login to container after it is up and running)
+
+```sh
+docker run -i -t --name centos_server centos:latest
+i - interactive
+t - Terminal
+```
+
+9. Stop a container 
+```sh
+docker stop <container_id>
+```
+
+10. Start a container which is in stopped or exit state
+
+```sh
+docker start <container_id>
+```
+11. Remove a container
+
+```sh
+docker rm <container_id>
+```
+
+12. login to a docker container
+```sh
+docker exec -it <container_Name> /bin/bash
+```

Docker/Docker_Installation_Steps.MD

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+# Installing Docker on Amazon Linux server
+
+### Pre-requisites
+1. Amazon Linux EC2 Instance
+
+## Installation Steps
+
+1. Install docker and start docker services
+   ```sh 
+   yum install docker -y
+   docker --version 
+
+   # start docker services
+   service docker start
+   service docker status
+   ```
+1. Create a user called dockeradmin
+   ```sh
+   useradd dockeradmin
+   passwd dockeradmin
+   ```
+1. add a user to docker group to manage docker 
+   ```
+   usermod -aG docker dockeradmin
+   ```
+### Validation test
+1. Create a tomcat docker container by pulling a docker image from the public docker registry
+   ```sh
+   docker run -d --name test-tomcat-server -p 8090:8080 tomcat:latest
+   ```
+
+## Docker Installation on CentOS server
+##### Referance URL : https://docs.docker.com/install/linux/docker-ce/centos/#install-using-the-repository
+### Pre-requisites
+
+Please follow below steps to install docker CE on CentoOS server instance. For RedHat only Docker EE available 
+
+1. Install the required packages.
+
+   ```sh 
+   sudo yum install -y yum-utils \
+   device-mapper-persistent-data \
+   lvm2
+   ```
+
+1. Use the following command to set up the stable repository.
+
+   ```sh 
+   sudo yum-config-manager \
+   --add-repo \
+   https://download.docker.com/linux/centos/docker-ce.repo
+   ```
+
+### INSTALLING DOCKER CE
+
+1. Install the latest version of Docker CE.
+   ```sh 
+   sudo yum install docker-ce
+   ```
+
+   Note: If prompted to accept the GPG key, verify that the fingerprint matches 
+060A 61C5 1B55 8A7F 742B 77AA C52F EB6B 621E 9F35, and if so, accept it.
+
+1. Start Docker.
+   ```sh 
+   sudo systemctl start docker
+   ```
+
+1. Verify that docker is installed correctly by running the hello-world image.
+   ```sh
+   sudo docker run hello-world
+   ```

Docker/install_apache_dockerfile.txt

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+FROM ubuntu:12.04
+
+MAINTAINER Landmark Technologies 
+
+LABEL version="1.1.0" \
+      app_name="Training registration application" \
+	  release_date="9-Sep-2018"
+RUN apt-get update && apt-get install -y apache2 && apt-get clean
+
+ENV APACHE_RUN_USER www-data
+ENV APACHE_RUN_GROUP www-data
+ENV APACHE_LOG_DIR /var/log/apache2
+
+EXPOSE 80
+
+COPY index.html /var/www/html
+CMD ["/usr/sbin/apache2", "-D", "FOREGROUND"]
+
+
+
+
+
+

Dockerfile

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+FROM tomcat:9.0.37-jdk8
+# removing bug from the applications.
+# fixing vulnerability issues
+# Dummy text to test #
+COPY target/*.war /usr/local/tomcat/webapps/maven-web-app.war

Jenkinsfile

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+//Jenkins pipeline script
+//Groovy script  
+node 
+{
+def mavenHome = tool name: 'maven3.6.3'
+stage('1. CodeClone') 
+{
+git credentialsId: 'Github_credentials', url: 'https://github.com/myLandmakTechnology/maven-web-app.git'
+}
+stage('2. Build')
+{
+sh "${mavenHome}/bin/mvn package"
+}
+
+stage('3. CodeQuality') 
+{
+//sh "${mavenHome}/bin/mvn sonar:sonar"
+}
+stage('4.UploadNexus') 
+{
+//sh "${mavenHome}/bin/mvn deploy"
+}
+stage('5. Approval') 
+{
+echo "Approved. Ready for deployment"
+}
+stage('6. DeployTomcat') 
+{
+//deploy adapters: [tomcat9(credentialsId: 'Tomcat-Credentials', path: '', url: 'http://54.163.156.108:8888/')], contextPath: null, war: 'target/*war'
+}
+stage('7. Notification') 
+{
+//emailextrecipients([developers()])
+}
+}
+
+//
+/*
+the
+this
+they
+*/
+

Jenkinsfile1

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+node
+ {
+
+  def mavenHome = tool name: "maven3.6.2"
+
+      echo "GitHub BranhName ${env.BRANCH_NAME}"
+      echo "Jenkins Job Number ${env.BUILD_NUMBER}"
+      echo "Jenkins Node Name ${env.NODE_NAME}"
+
+      echo "Jenkins Home ${env.JENKINS_HOME}"
+      echo "Jenkins URL ${env.JENKINS_URL}"
+      echo "JOB Name ${env.JOB_NAME}"
+
+   properties([[$class: 'JiraProjectProperty'], buildDiscarder(logRotator(artifactDaysToKeepStr: '', artifactNumToKeepStr: '2', daysToKeepStr: '', numToKeepStr: '2')), pipelineTriggers([pollSCM('* * * * *')])])
+
+  stage("CheckOutCodeGit")
+  {
+   git url: 'https://github.com/LandmakTechnology/maven-web-app'
+ }
+
+ stage("Build")
+ {
+ sh "${mavenHome}/bin/mvn clean package"
+ }
+
+  /*
+ stage("ExecuteSonarQubeReport")
+ {
+ sh "${mavenHome}/bin/mvn sonar:sonar"
+ }
+
+ stage("UploadArtifactsintoNexus")
+ {
+ sh "${mavenHome}/bin/mvn deploy"
+ }
+
+  stage("DeployAppTomcat")
+ {
+  sshagent(['423b5b58-c0a3-42aa-af6e-f0affe1bad0c']) {
+    sh "scp -o StrictHostKeyChecking=no target/maven-web-application.war  [email protected]:/opt/apache-tomcat-9.0.34/webapps/" 
+  }
+ }
+
+ stage('EmailNotification')
+ {
+ mail bcc: '[email protected]', body: '''Build is over
+ Thanks,
+ Landmark Technologies,
+ +14372152483.''', cc: '[email protected]', from: '', replyTo: '', subject: 'Build is over!!', to: '[email protected]'
+ }
+ */
+ }

Jenkinsfile2

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+node
+{
+def mavenHome = tool name: "maven3.6.3"
+
+    stage("1. git clone")
+    {
+       git credentialsId: 'gitCredentials', url: 'https://github.com/LandmakTechnology/maven-web-app.git'
+    }
+
+    stage("2. Build")
+    {
+        sh "${mavenHome}/bin/mvn clean package"
+
+        // bat mvn clean package  - for winows OS
+    }
+    stage('3. Sonar')
+    {
+         //sh "${mavenHome}/bin/mvn sonar:sonar"
+    }
+    stage('4. Nexus')
+     {
+         //sh "${mavenHome}/bin/mvn deploy"
+    }
+    stage('5. Deploy')
+    {
+     deploy adapters: [tomcat9(credentialsId: 'Tomcat-Credentials', path: '', url: 'http://54.163.156.108:8888/')], contextPath: null, war: 'target/*war'
+    }
+
+    stage('6. Email Notification')
+    {
+
+emailext body: '''Hi
+
+Build Status
+Landmark Technology
++ 1 437 215 2483''', recipientProviders: [developers()], subject: 'Build status', to: '[email protected]'    
+    }
+   }