Add Harvester kubectl context to kubeconfig

Author: mads-hartmann

.gitpod.yml

@@ -25,6 +25,10 @@ ports:
 # Dev Theia
   - port: 13444
 tasks:
+  - name: Add Harvester kubeconfig
+    command: |
+      ./dev/preview/download-and-merge-harvester-kubeconfig.sh
+      exit 0
   - name: Java
     init: |
       leeway exec --package components/supervisor-api/java:lib --package components/gitpod-protocol/java:lib -- ./gradlew build

dev/preview/download-and-merge-harvester-kubeconfig.sh

@@ -0,0 +1,41 @@
+#!/usr/bin/env bash
+
+set -euo pipefail
+
+function log {
+    echo "[$(date)] $*"
+}
+
+function has-dev-access {
+    kubectl --context=dev auth can-i get secrets > /dev/null 2>&1 || false
+}
+
+if ! has-dev-access; then
+    log "The workspace isn't configured to have core-dev access. Exiting."
+    exit 0
+fi
+
+KUBECONFIG_PATH="/home/gitpod/.kube/config"
+HARVESTER_KUBECONFIG_PATH="$(mktemp)"
+MERGED_KUBECONFIG_PATH="$(mktemp)"
+
+log "Downloading and preparing Harvester kubeconfig"
+kubectl -n werft get secret harvester-kubeconfig -o jsonpath='{.data}' \
+| jq -r '.["harvester-kubeconfig.yml"]' \
+| base64 -d \
+| sed 's/default/harvester/g' \
+> "${HARVESTER_KUBECONFIG_PATH}"
+
+# Order of files is important, we have the original config first so we preserve
+# the value of current-context
+log "Merging kubeconfig files ${KUBECONFIG_PATH} ${HARVESTER_KUBECONFIG_PATH} into ${MERGED_KUBECONFIG_PATH}"
+KUBECONFIG="${KUBECONFIG_PATH}:${HARVESTER_KUBECONFIG_PATH}" \
+    kubectl config view --flatten --merge > "${MERGED_KUBECONFIG_PATH}"
+
+log "Overwriting ${KUBECONFIG_PATH}"
+mv "${MERGED_KUBECONFIG_PATH}" "${KUBECONFIG_PATH}"
+
+log "Cleaning up temporay Harveter kubeconfig"
+rm "${HARVESTER_KUBECONFIG_PATH}"
+
+log "Done"