Kubernetes | Integration | Oracle Tutorial

Introduction to Oracle and Kubernetes Integration

Kubernetes is a powerful container orchestration platform that automates the deployment, scaling, and management of containerized applications. Deploying Oracle on Kubernetes allows for scalability, reliability, and easier management of Oracle databases.

Prerequisites

Before starting, ensure you have Kubernetes installed and configured on your system. You also need Docker installed to build container images.

Creating Kubernetes Deployment YAML

To deploy Oracle on Kubernetes, you need to define a Deployment YAML file that describes the Oracle container and its configuration.

Example Deployment YAML:

apiVersion: apps/v1
kind: Deployment
metadata:
  name: oracle-deployment
spec:
  replicas: 1
  selector:
    matchLabels:
      app: oracle
  template:
    metadata:
      labels:
        app: oracle
    spec:
      containers:
      - name: oracle-container
        image: oracle/database:19.3.0-ee
        ports:
        - containerPort: 1521
        - containerPort: 5500
        env:
        - name: ORACLE_SID
          value: ORCLCDB
        - name: ORACLE_PDB
          value: ORCLPDB1
        - name: ORACLE_PWD
          value: your_password

Applying the Deployment to Kubernetes Cluster

Apply the Deployment YAML to your Kubernetes cluster using the kubectl command line tool.

Example command to apply Deployment:

kubectl apply -f oracle-deployment.yaml

Accessing Oracle on Kubernetes

Once deployed, access Oracle running on Kubernetes using Oracle client tools or SQL*Plus.

Example command to connect using SQL*Plus:

sqlplus sys/your_password@//localhost:1521/ORCLCDB as sysdba

Cleaning Up

To delete the Oracle deployment from Kubernetes, use the following command.

Example command to delete Deployment:

kubectl delete deployment oracle-deployment

Conclusion

Deploying Oracle on Kubernetes simplifies management and scaling of Oracle databases in a containerized environment, leveraging Kubernetes' capabilities for orchestration and automation.