CKA Mock Exam 2


Hi, Please see attached screenshots for CKA Mock - Exam Question #1to take etcd backup.

While I am connected to lab, I do not see lines in my etcd.yaml file. below is printout if etcd.yaml.

master $ cat etcd.yaml
apiVersion: v1
kind: Pod
metadata:
creationTimestamp: null
labels:
component: etcd
tier: control-plane
name: etcd
namespace: kube-system
spec:
containers:

  • command:
    • etcd
    • –advertise-client-urls=https://172.17.0.42:2379
    • –cert-file=/etc/kubernetes/pki/etcd/server.crt
    • –client-cert-auth=true
    • –data-dir=/var/lib/etcd
    • –initial-advertise-peer-urls=https://172.17.0.42:2380
    • –initial-cluster=master=https://172.17.0.42:2380
    • –key-file=/etc/kubernetes/pki/etcd/server.key
    • –listen-client-urls=https://127.0.0.1:2379,https://172.17.0.42:2379
    • –listen-metrics-urls=http://127.0.0.1:2381
    • –listen-peer-urls=https://172.17.0.42:2380
    • –name=master
    • –peer-cert-file=/etc/kubernetes/pki/etcd/peer.crt
    • –peer-client-cert-auth=true
    • –peer-key-file=/etc/kubernetes/pki/etcd/peer.key
    • –peer-trusted-ca-file=/etc/kubernetes/pki/etcd/ca.crt
    • –snapshot-count=10000
    • –trusted-ca-file=/etc/kubernetes/pki/etcd/ca.crt
      image: k8s.gcr.io/etcd:3.3.15-0
      imagePullPolicy: IfNotPresent
      livenessProbe:
      failureThreshold: 8
      httpGet:
      host: 127.0.0.1
      path: /health
      port: 2381
      scheme: HTTP
      initialDelaySeconds: 15
      timeoutSeconds: 15
      name: etcd
      resources: {}
      volumeMounts:
    • mountPath: /var/lib/etcd
      name: etcd-data
    • mountPath: /etc/kubernetes/pki/etcd
      name: etcd-certs
      hostNetwork: true
      priorityClassName: system-cluster-critical
      volumes:
  • hostPath:
    path: /etc/kubernetes/pki/etcd
    type: DirectoryOrCreate
    name: etcd-certs
  • hostPath:
    path: /var/lib/etcd
    type: DirectoryOrCreate
    name: etcd-data
    status: {}
    master $ ETCDCTL_AP

Kindly guide how to take ETCD backup / snapshot.

Thanks
Kashif

Hello Kashif,

Have you gone through the lecture by Mumshad on how to take it etcd backup/restore.

If you see any challenges with the same, please reach out to us in slack channel.

Thanks
Rahul

Thanks Rahul.
I am looking for solutions to CKA Mock Exam 1. If not avilable then I may post my queries in slack and appreciate for earliest possible response please. Thanks