JENKINS : - Opensource CI/CD Software. It helps to automate the various stages of CICD Process- from building and testing code to deploying applications. It has lots of plugins available, we can write our own plugin, or can use the community plugin. We can create slave nodes under Jenkins master, it instructs ither…

Create the sample-value.yaml file that containers key values to be used inside kubernetes resources YAML File. # Default values for the Helm chart image: repository: my-app-image tag: latest replicas: 3 ephemeralStorageLimit: "1Gi" 2. Create the Kubernetes Resource -Deployment YAML file. templates/web-deployment.yaml In this web-deployment.yaml template, we are using the Helm templating syntax to access the values defined in the sample-values.yaml file.

INSTALL ECLIPSE: CREATE A JAVA PROJECT: File → New → Java Project

In this CI-CD Project i will make use of — Jenkins, github, AWS Cloud Servers, docker and Sonar cube. JENKINS INSTALLATION & SETUP. CREATE JENKINS-PIPELINE:- After installation, we can access the Jinkins application as shown below. To create pipe-line click on New Item and give name to pipeline.

WildFly, formerly known as JBoss Application Server is an open-source application server. It follows the Java EE standard and is compatible with a variety of Java frameworks and libraries. It provides a runtime environment for deploying Java applications, including web applications, enterprise applications, and microservices. OPERATING MODE: WildFly can be booted in…

APACHE KAFKA: As per the official page definition- Apache Kafka is an open-source distributed event streaming platform used by thousands of companies for high-performance data pipelines, streaming analytics, data integration, and mission-critical applications. I will simply say- kafa is one of the medium used for data(message in kafka terms) transportation from source…

Authentication and authorization are the two security layers responsible for enabling user interaction with the cluster. When a user makes a request to the API, the API associates the user with the request. The authentication layer authenticates the user. Upon successful authentication, the authorization layer decides to either honor or reject the API request. The authorization layer uses role-based access control (RBAC) policies to determine user privileges.

LOGIN TO RHEL OPENSHIFT CLUSTER: BEFORE START: $ lab install-troubleshoot start Source the classroom configuration file that is accessible at /usr/local/etc/ ocp4.config. $ source /usr/local/etc/ocp4.config $ oc login -u kubeadmin -p ${RHT_OCP4_KUBEADM_PASSWD} https://api.ocp4.example.com:6443 AFTER COMPLETION: RUn the below command. $ lab install-troubleshoot finish #1. Enter inside project to diagnose or check pods. $ oc project <<Project_Name>> #2. Verify whether any of your nodes are close to using all of the CPU and memory # available to them. $ oc adm top node #3. List all pods inside the openshift-image-registry project $ oc get pod -n openshift-image-registry

A Dockerfile is a text document that contains all the commands a user could call on the command line to assemble an image.