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MicroK8s : पॉड्स तैनात करें2024/06/14

 

यह MicroK8s पर बुनियादी ऑपरेशन है.

[1] पॉड्स बनाएं या हटाएं.
# [test-nginx] पॉड्स चलाएँ

root@dlp:~#
microk8s kubectl create deployment test-nginx --image=nginx

deployment.apps/test-nginx created
root@dlp:~#
microk8s kubectl get pods

NAME                         READY   STATUS    RESTARTS   AGE
test-nginx-f5c579c7d-2llmk   1/1     Running   0          21s

# [test-nginx] पॉड के लिए पर्यावरण चर दिखाएं

root@dlp:~#
microk8s kubectl exec test-nginx-f5c579c7d-2llmk -- env

PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin
HOSTNAME=test-nginx-f5c579c7d-2llmk
NGINX_VERSION=1.27.0
NJS_VERSION=0.8.4
NJS_RELEASE=2~bookworm
PKG_RELEASE=2~bookworm
KUBERNETES_PORT_443_TCP_PORT=443
KUBERNETES_PORT_443_TCP_ADDR=10.152.183.1
KUBERNETES_SERVICE_HOST=10.152.183.1
KUBERNETES_SERVICE_PORT=443
KUBERNETES_SERVICE_PORT_HTTPS=443
KUBERNETES_PORT=tcp://10.152.183.1:443
KUBERNETES_PORT_443_TCP=tcp://10.152.183.1:443
KUBERNETES_PORT_443_TCP_PROTO=tcp
HOME=/root

# [test-nginx] पॉड तक शेल पहुंच

root@dlp:~#
microk8s kubectl exec -it test-nginx-f5c579c7d-2llmk -- bash
root@test-nginx-f5c579c7d-2llmk:/#
hostname

test-nginx-f5c579c7d-2llmk
root@test-nginx-f5c579c7d-2llmk:/#
exit
# [test-nginx] पॉड के लॉग दिखाएं

root@dlp:~#
microk8s kubectl logs test-nginx-f5c579c7d-2llmk

/docker-entrypoint.sh: /docker-entrypoint.d/ is not empty, will attempt to perform configuration
/docker-entrypoint.sh: Looking for shell scripts in /docker-entrypoint.d/
/docker-entrypoint.sh: Launching /docker-entrypoint.d/10-listen-on-ipv6-by-default.sh
10-listen-on-ipv6-by-default.sh: info: Getting the checksum of /etc/nginx/conf.d/default.conf
10-listen-on-ipv6-by-default.sh: info: Enabled listen on IPv6 in /etc/nginx/conf.d/default.conf
/docker-entrypoint.sh: Sourcing /docker-entrypoint.d/15-local-resolvers.envsh
/docker-entrypoint.sh: Launching /docker-entrypoint.d/20-envsubst-on-templates.sh
/docker-entrypoint.sh: Launching /docker-entrypoint.d/30-tune-worker-processes.sh
/docker-entrypoint.sh: Configuration complete; ready for start up
2024/06/14 00:58:29 [notice] 1#1: using the "epoll" event method
2024/06/14 00:58:29 [notice] 1#1: nginx/1.27.0
2024/06/14 00:58:29 [notice] 1#1: built by gcc 12.2.0 (Debian 12.2.0-14)
2024/06/14 00:58:29 [notice] 1#1: OS: Linux 6.8.0-35-generic
2024/06/14 00:58:29 [notice] 1#1: getrlimit(RLIMIT_NOFILE): 65536:65536
2024/06/14 00:58:29 [notice] 1#1: start worker processes
.....
.....

# फली को स्केल करें

root@dlp:~#
microk8s kubectl scale deployment test-nginx --replicas=3

deployment.extensions/test-nginx scaled
root@dlp:~#
microk8s kubectl get pods

NAME                         READY   STATUS    RESTARTS   AGE
test-nginx-f5c579c7d-2llmk   1/1     Running   0          3m17s
test-nginx-f5c579c7d-5ntqz   1/1     Running   0          11s
test-nginx-f5c579c7d-rt8s4   1/1     Running   0          11s

# सेवा सेट करें

root@dlp:~#
microk8s kubectl expose deployment test-nginx --type="NodePort" --port 80

service "test-nginx" exposed
root@dlp:~#
microk8s kubectl get services test-nginx

NAME         TYPE       CLUSTER-IP       EXTERNAL-IP   PORT(S)        AGE
test-nginx   NodePort   10.152.183.166   <none>        80:30921/TCP   4s

# पहुंच सत्यापित करें

root@dlp:~#
curl 10.152.183.166

<!DOCTYPE html>
<html>
<head>
<title>Welcome to nginx!</title>
.....
.....
<p><em>Thank you for using nginx.</em></p>
</body>
</html>

# सेवा हटाएँ

root@dlp:~#
microk8s kubectl delete services test-nginx

service "test-nginx" deleted
# पॉड्स हटाएं

root@dlp:~#
microk8s kubectl delete deployment test-nginx

deployment.extensions "test-nginx" deleted
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