Create Deployments in Kubernetes Cluster Devops

Question :   The Nautilus DevOps team has started practicing some pods, and services deployment on Kubernetes platform as they are planning to migrate most of their applications on Kubernetes platform. Recently one of the team members has been assigned a task to create a deploymnt as per details mentioned below:

Create a deployment named nginx to deploy the application nginx using the image nginx: latest (remember to mention the tag as well) 

Please Note :-  Perform the below commands based on your question  server,  user name & other details might differ . So please read task carefully before executing. All the Best 👍

Solution:

1. At first  kubectl  utility configure and working from jump server, run below commands  

thor@jump_host /$ kubectl get deploy No resources found in default namespace. thor@jump_host /$ thor@jump_host /$  kubectl get namespace NAME              STATUS   AGE default           Active   58m kube-node-lease   Active   58m kube-public       Active   58m kube-system       Active   58m thor@jump_host /$

2.  Create deploy & and run image as per the task request

thor@jump_host /$ kubectl create deploy nginx --image nginx:latest deployment.apps/nginx created thor@jump_host /$

3.  Validate the task by running below commands

    

thor@jump_host /$ kubectl get deploy NAME    READY   UP-TO-DATE   AVAILABLE   AGE nginx   0/1     1            0           19s thor@jump_host /$ thor@jump_host /$ kubectl get pods NAME                     READY   STATUS    RESTARTS   AGE nginx-55649fd747-8qq78   1/1     Running   0          76s thor@jump_host /$ thor@jump_host /$ kubectl describe pod nginx-55649fd747-8qq78 Name:         nginx-55649fd747-8qq78 Namespace:    default Priority:     0 Node:         node01/172.17.0.14 Start Time:   Wed, 16 Jun 2021 15:00:54 +0000 Labels:       app=nginx               pod-template-hash=55649fd747 Annotations:  <none> Status:       Running IP:           10.244.1.2 IPs:   IP:           10.244.1.2 Controlled By:  ReplicaSet/nginx-55649fd747 Containers:   nginx:     Container ID:   docker://3f15d91fa90ed005a110cae597c9632c46bfcf7d6441e85f199a3aa5e838a30a     Image:          nginx:latest     Image ID:       docker-pullable://nginx@sha256:6d75c99af15565a301e48297fa2d121e15d80ad526f8369c526324f0f7ccb750     Port:           <none>     Host Port:      <none>     State:          Running       Started:      Wed, 16 Jun 2021 15:01:24 +0000     Ready:          True     Restart Count:  0     Environment:    <none>     Mounts:       /var/run/secrets/kubernetes.io/serviceaccount from default-token-2glf2 (ro) Conditions:   Type              Status   Initialized       True   Ready             True   ContainersReady   True   PodScheduled      True Volumes:   default-token-2glf2:     Type:        Secret (a volume populated by a Secret)     SecretName:  default-token-2glf2     Optional:    false QoS Class:       BestEffort Node-Selectors:  <none> Tolerations:     node.kubernetes.io/not-ready:NoExecute op=Exists for 300s                  node.kubernetes.io/unreachable:NoExecute op=Exists for 300s Events:   Type    Reason     Age   From               Message   ----    ------     ----  ----               -------   Normal  Scheduled  85s   default-scheduler  Successfully assigned default/nginx-55649fd747-8qq78 to node01   Normal  Pulling    84s   kubelet            Pulling image "nginx:latest"   Normal  Pulled     56s   kubelet            Successfully pulled image "nginx:latest" in 27.864467855s   Normal  Created    55s   kubelet            Created container nginx   Normal  Started    55s   kubelet            Started container nginx thor@jump_host /$

4.  Click on Finish & Confirm to complete the task successful

Happy Learning!!!!

Apart from this if you need more clarity,  I have made a  tutorial video on this , please go through and share your comments. Like and share the knowledge