From 883d56f9146cb5ce9e7bb902426af65d76b46cab Mon Sep 17 00:00:00 2001
From: Mads Hartmann <mads379@gmail.com>
Date: Wed, 5 Jan 2022 13:59:01 +0000
Subject: [PATCH] Add Harvester kubectl context to kubeconfig

---
 .gitpod.yml                                   |  4 ++
 ...download-and-merge-harvester-kubeconfig.sh | 41 +++++++++++++++++++
 2 files changed, 45 insertions(+)
 create mode 100755 dev/preview/download-and-merge-harvester-kubeconfig.sh

diff --git a/.gitpod.yml b/.gitpod.yml
index 00ddb7b5e20ad2..629260c286a66f 100644
--- a/.gitpod.yml
+++ b/.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
diff --git a/dev/preview/download-and-merge-harvester-kubeconfig.sh b/dev/preview/download-and-merge-harvester-kubeconfig.sh
new file mode 100755
index 00000000000000..91c527712b96d6
--- /dev/null
+++ b/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"