Question # 1
Create a pod with image nginx called nginx and allow traffic on port 80
|
Answer: See the solution below.
Explanation:
kubectlrun nginx -image=nginx -restart=Never -port=80
Question # 2
Create a Kubernetes secret asfollows:
Name: super-secret
password: bob
Create a pod namedpod-secrets-via-file, using theredisImage, which mounts a secret
namedsuper-secretat/secrets.
Create a second pod namedpod-secrets-via-env, using theredisImage, which exports
passwordasCONFIDENTIAL |
Answer: See the solution below.
Explanation:
solution
Question # 3
Scale the deployment webserver to 6 pods.
|
Question # 4
Create a snapshot of theetcdinstance running athttps://127.0.0.1:2379, saving thesnapshot
to the file path/srv/data/etcd-snapshot.db.
The following TLScertificates/key are suppliedfor connecting to the server withetcdctl:
CA certificate:/opt/KUCM00302/ca.crt
Client certificate:/opt/KUCM00302/etcd-client.crt
Client key:Topt/KUCM00302/etcd-client.key |
Answer: See the solution below.
Explanation:
solution
Question # 5
Get IP address of the pod – “nginx-dev” |
Answer: See the solution below.Explanation:
Kubect1 get po -o wide
Using JsonPath
kubect1 get pods -o=jsonpath='{range
items[*]}{.metadata.name}{"\t"}{.status.podIP}{"\n"}{end}'
Question # 6
Score:7%
Task
Create a new PersistentVolumeClaim • Name: pv-volume
• Class: csi-hostpath-sc
• Capacity: 10Mi Create a new Pod which mounts the PersistentVolumeClaim as a volume: • Name: web-server
• Image: nginx
• Mount path: /usr/share/nginx/html Configure the new Pod to have ReadWriteOnce access on the volume. Finally, using kubectl edit or kubectl patch expand the PersistentVolumeClaim to a capacity of 70Mi and record that change. |
Answer: See the solution below.
Explanation:
Solution:
vi pvc.yaml
storageclass pvc
apiVersion: v1
kind: PersistentVolumeClaim
metadata:
name: pv-volume
spec:
accessModes:
- ReadWriteOnce
volumeMode: Filesystem
resources:
requests:
storage: 10Mi
storageClassName: csi-hostpath-sc
# vi pod-pvc.yaml
apiVersion: v1
kind: Pod
metadata:
name: web-server
spec:
containers:
- name: web-server
image: nginx
volumeMounts:
- mountPath: "/usr/share/nginx/html"
name: my-volume
volumes:
- name: my-volume
persistentVolumeClaim:
claimName: pv-volume
# craete
kubectl create -f pod-pvc.yaml
#edit
kubectl edit pvc pv-volume -record
Question # 7
Scale the deploymentwebserverto6pods.
|
Answer: See the solution below.
Explanation:
solution
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