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Deploy Pods in Kubernetes Cluster.md

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Problem Statement

The Nautilus DevOps team is diving into Kubernetes for application management. One team member has a task to create a pod according to the details below:*

Create a pod named pod-httpd using the httpd image with the latest tag. Ensure to specify the tag as httpd:latest.

Set the app label to httpd_app, and name the container as httpd-container.

Note: The kubectl utility on jump_host is configured to operate with the Kubernetes cluster.

Solution

We need to create Kubernetes pod named pod-httpd using the httpd:latest image. The pod should have the container named httpd-container and should be labeled with httpd_app.

Yaml Configuration:

 Pod-httpd.yaml
apiVersion: v1
kind: Pod
metadata:
  labels:
    app: httpd_app
  name: pod-httpd
spec:
  containers:
  - image: httpd:latest
    name: httpd_container
  dnsPolicy: ClusterFirst
  restartPolicy: Always
status: {}

Apply the Pod Configuration: Save the YAML File:

Save the configuration to a file named pod-httpd.yaml. Apply the pod yaml file.

kubectl apply -f pod-httpd.yaml 
pod/pod-httpd created

Verification

1.Check Pod Status:

  • Verify that the pod is created and is running:

    kubectl get pods

  • Look for pod-httpd in the output. Ensure its status is Running.

2.Describe the Pod:

  • Get detailed information about the pod:

    kubectl describe pod pod-httpd

  • This command provides detailed information about the pod’s status, events, and configuration.

3.Check Container Logs:

  • View logs from the container to ensure it is running correctly:

    kubectl logs pod-httpd -c httpd-container

  • This helps in troubleshooting any issues that might be occurring within the container.

Conclusion

By following these steps, you will successfully create and verify a Kubernetes pod named pod-httpd with the specified configuration. The pod will run the httpd:latest image, with appropriate labels and container naming.