app-dep-6-secrets-proxy.yaml

apiVersion: apps/v1
kind: Deployment
metadata:
  name: app6
  namespace: default
spec:
  replicas: 1
  selector:
    matchLabels:
      com.talend.application: test
      com.talend.service: test-app-svc
  template:
    metadata:
      annotations:
        sidecar.vault.talend.org/inject: "true"
        sidecar.vault.talend.org/mode: "secrets,proxy"  # Enable both 'secrets' and 'proxy' modes
      labels:
        com.talend.application: test
        com.talend.service: test-app-svc
    spec:
      serviceAccountName: default
      containers:
        - name: app6-container
          image: everpeace/curl-jq
          command:
            - "sh"
            - "-c"
            - |
              set -e
              while true; do
                echo "Wait for secrets file ..."
                if [ -f "/opt/talend/secrets/secrets.properties" ]; then
                  echo "Secrets available"
                  break
                fi
                sleep 2
              done
              while true;do
                echo "My secrets are: $(cat /opt/talend/secrets/secrets.properties)"
                echo
                echo "Now using Vault Agent as a proxy to leverage Encryption as a Service feature (will encrypt and decrypt our secrets here)"
                echo "Advantage: you do not need to deal with any Vault tokens and you just have to send requests to the local Vault Agent sidecar (available at 127.0.0.1) that will then forward everything to Vault server."
                echo

                plaintext=$(cat /opt/talend/secrets/secrets.properties | grep SECRET1)
                echo "Data that is going to be ciphered and deciphered: $plaintext"
                echo
                b64Plaintext=$(echo "$plaintext" | base64)
                
                ciphertext=$(curl -s -X POST --data "{\"plaintext\": \"$b64Plaintext\"}" http://127.0.0.1:8200/v1/transit/encrypt/test-key | jq --raw-output .data.ciphertext)
                echo "Ciphertext"
                echo "=========="
                echo "$ciphertext"
                echo
                
                cleartext=$(curl -s -X POST --data "{\"ciphertext\": \"$ciphertext\"}" http://127.0.0.1:8200/v1/transit/decrypt/test-key | jq --raw-output .data.plaintext)
                echo "Cleartext"
                echo "=========="
                echo "$cleartext" | base64 -d
                echo
                sleep 5
              done