Deployment manifest for SDC that downloads stage libs at deployment time

sdc.yaml

apiVersion: apps/v1
kind: Deployment
metadata:
  name: sdc
  labels:
    app: sdc
spec:
  replicas: 1
  selector:
    matchLabels:
      app: sdc
  template:
    metadata:
      labels:
        app: sdc
    spec:
      initContainers:
      - name: sdc-stage-libs
        image: busybox:1.31.1
        command: ["/bin/sh", "-c"]
        args:
        - >
          BASE_URL=https://archives.streamsets.com/datacollector
          && SDC_VERSION=3.20.0
          && for s in `cat /tmp/sdc-stage-libs`; 
          do 
            wget ${BASE_URL}/${SDC_VERSION}/tarball/${s}-${SDC_VERSION}.tgz; 
            tar -xvf ${s}-${SDC_VERSION}.tgz -C /tmp;
          done
          && cp -R /tmp/streamsets-datacollector-${SDC_VERSION}/streamsets-libs/streamsets-* /streamsets-libs
          && for s in `cat /tmp/sdc-enterprise-stage-libs`; 
          do 
            wget ${BASE_URL}/latest/tarball/enterprise/${s}.tgz; 
            tar -xvf ${s}.tgz -C /tmp;
          done
          && cp -R /tmp/streamsets-libs/streamsets-* /streamsets-libs
          && rm -rf /streamsets-libs/lost+found
          && echo 'Here is a listing of the /streamsets-libs dir'
          && ls -l /streamsets-libs
          && exit 0
        volumeMounts:
        - name: sdc-stage-libs-list
          mountPath: /tmp/sdc-stage-libs
          subPath: sdc-stage-libs
        - name: sdc-stage-libs-list
          mountPath: /tmp/sdc-enterprise-stage-libs
          subPath: sdc-enterprise-stage-libs
        - name: sdc-stage-libs
          mountPath: /streamsets-libs
      containers:
      - name: sdc
        image: streamsets/datacollector:3.20.0
        env:
        - name: SDC_JAVA_OPTS
          value: "-Xmx4g -Xms4g"
        - name: SDC_CONF_SDC_BASE_HTTP_URL
          value: https://<HOST>[:<PORT>]
        - name: SDC_CONF_HTTP_ENABLE_FORWARDED_REQUESTS
          value: true
        volumeMounts:
        - name: sdc-stage-libs
          mountPath: /opt/streamsets-datacollector-3.20.0/streamsets-libs
          readOnly: "true"
      volumes:
      - name: sdc-stage-libs-list
        configMap:
          name: sdc-stage-libs-list
          items:
            - key: sdc-stage-libs
              path: sdc-stage-libs
            - key: sdc-enterprise-stage-libs
              path: sdc-enterprise-stage-libs
      - name: sdc-stage-libs
        emptyDir: {}