Lab - Manage Kubernetes Secrets

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Solutions for Lab - Manage Kubernetes Secrets:

To get the Secrets exist on the system, Run
```
Run
$ kubectl get secrets
Answer:
1
```

How many secrets are defined in the default-token secret?

Get the name of the secret by running
$ kubectl get secrets
Then look at the data field using
$ kubectl describe secrets default-token-sphlt
Answer:
3
There are three secrets - ca.crt, namespace and token.

kubernetes.io/service-account-token is the type of the default-token secret?

Look at the Type field using

$ kubectl describe secrets default-token-sphlt

Type is not a secret data defined in default-token secret.

Create a new secret named db-secret.

Run
$ kubectl create secret generic db-secret --from-literal=DB_Host=sql01 --from-literal=DB_User=root --from-literal=DB_Password=password123

Configure webapp-pod to load environment variables from the newly created secret.

Run
$ kubectl delete pod webapp-pod

# Open YAML file in vi editor
$ vi pod.yaml

apiVersion: v1
kind: Pod
metadata:
  labels:
    name: webapp-pod
  name: webapp-pod
  namespace: default
spec:
  containers:
  - image: kodekloud/simple-webapp-mysql
    imagePullPolicy: Always
    name: webapp
    envFrom:
    - secretRef:
        name: db-secret

$ kubectl apply -f pod.yaml