From 1de3359a33606f297b084495dff6e2efcd76fcfc Mon Sep 17 00:00:00 2001
From: Sascha Grunert <sgrunert@redhat.com>
Date: Wed, 21 Aug 2024 11:59:31 +0200
Subject: [PATCH] Build krel from sources when not using default `TOOL_*`
 values

This allos testing GCB by setting one of `TOOL_ORG`, `TOOL_REPO` or
`TOOL_REF`.

Signed-off-by: Sascha Grunert <sgrunert@redhat.com>
---
 gcb/fast-forward/cloudbuild.yaml |  3 +++
 gcb/obs-release/cloudbuild.yaml  |  3 +++
 gcb/obs-stage/cloudbuild.yaml    |  3 +++
 gcb/release/cloudbuild.yaml      |  3 +++
 gcb/stage/cloudbuild.yaml        |  3 +++
 hack/get-krel                    | 24 ++++++++++++++++++------
 6 files changed, 33 insertions(+), 6 deletions(-)

diff --git a/gcb/fast-forward/cloudbuild.yaml b/gcb/fast-forward/cloudbuild.yaml
index 498830cc414..6cedd847b40 100644
--- a/gcb/fast-forward/cloudbuild.yaml
+++ b/gcb/fast-forward/cloudbuild.yaml
@@ -56,6 +56,9 @@ steps:
   dir: go/src/k8s.io/release
   env:
   - KREL_OUTPUT_PATH=/workspace/bin/krel
+  - "TOOL_ORG=${_TOOL_ORG}"
+  - "TOOL_REPO=${_TOOL_REPO}"
+  - "TOOL_REF=${_TOOL_REF}"
   args:
   - ./hack/get-krel
 
diff --git a/gcb/obs-release/cloudbuild.yaml b/gcb/obs-release/cloudbuild.yaml
index 42f38d47625..465437b558b 100644
--- a/gcb/obs-release/cloudbuild.yaml
+++ b/gcb/obs-release/cloudbuild.yaml
@@ -56,6 +56,9 @@ steps:
   dir: go/src/k8s.io/release
   env:
   - KREL_OUTPUT_PATH=/workspace/bin/krel
+  - "TOOL_ORG=${_TOOL_ORG}"
+  - "TOOL_REPO=${_TOOL_REPO}"
+  - "TOOL_REF=${_TOOL_REF}"
   args:
   - ./hack/get-krel
 
diff --git a/gcb/obs-stage/cloudbuild.yaml b/gcb/obs-stage/cloudbuild.yaml
index 235bd674fac..cfacd5c8b31 100644
--- a/gcb/obs-stage/cloudbuild.yaml
+++ b/gcb/obs-stage/cloudbuild.yaml
@@ -56,6 +56,9 @@ steps:
   dir: go/src/k8s.io/release
   env:
   - KREL_OUTPUT_PATH=/workspace/bin/krel
+  - "TOOL_ORG=${_TOOL_ORG}"
+  - "TOOL_REPO=${_TOOL_REPO}"
+  - "TOOL_REF=${_TOOL_REF}"
   args:
   - ./hack/get-krel
 
diff --git a/gcb/release/cloudbuild.yaml b/gcb/release/cloudbuild.yaml
index 869deaa4785..478e7728f06 100644
--- a/gcb/release/cloudbuild.yaml
+++ b/gcb/release/cloudbuild.yaml
@@ -59,6 +59,9 @@ steps:
   dir: go/src/k8s.io/release
   env:
   - KREL_OUTPUT_PATH=/workspace/bin/krel
+  - "TOOL_ORG=${_TOOL_ORG}"
+  - "TOOL_REPO=${_TOOL_REPO}"
+  - "TOOL_REF=${_TOOL_REF}"
   args:
   - ./hack/get-krel
 
diff --git a/gcb/stage/cloudbuild.yaml b/gcb/stage/cloudbuild.yaml
index 90127a06db7..3e0ae7427b2 100644
--- a/gcb/stage/cloudbuild.yaml
+++ b/gcb/stage/cloudbuild.yaml
@@ -60,6 +60,9 @@ steps:
   dir: go/src/k8s.io/release
   env:
   - KREL_OUTPUT_PATH=/workspace/bin/krel
+  - "TOOL_ORG=${_TOOL_ORG}"
+  - "TOOL_REPO=${_TOOL_REPO}"
+  - "TOOL_REF=${_TOOL_REF}"
   args:
   - ./hack/get-krel
 
diff --git a/hack/get-krel b/hack/get-krel
index c2abecafc58..5a53081a239 100755
--- a/hack/get-krel
+++ b/hack/get-krel
@@ -22,17 +22,29 @@ curl_retry() {
     curl -sSfL --retry 5 --retry-delay 3 "$@"
 }
 
+DEFAULT_TOOL_ORG=kubernetes
+DEFAULT_TOOL_REPO=release
+DEFAULT_TOOL_REF=master
+
+TOOL_ORG=${TOOL_ORG:-${DEFAULT_TOOL_ORG}}
+TOOL_REPO=${TOOL_REPO:-${DEFAULT_TOOL_REPO}}
+TOOL_REF=${TOOL_REF:-${DEFAULT_TOOL_REF}}
 KREL_OUTPUT_PATH=${KREL_OUTPUT_PATH:-bin/krel}
 echo "Using output path: $KREL_OUTPUT_PATH"
 mkdir -p "$(dirname "$KREL_OUTPUT_PATH")"
 
-LATEST_RELEASE=$(curl_retry https://api.github.com/repos/kubernetes/release/releases/latest | jq -r .tag_name)
-echo "Using krel release: $LATEST_RELEASE"
+if [[ "$TOOL_ORG" == "$DEFAULT_TOOL_ORG" && "$TOOL_REPO" == "$DEFAULT_TOOL_REPO" && "$TOOL_REF" == "$DEFAULT_TOOL_REF" ]]; then
+    LATEST_RELEASE=$(curl_retry https://api.github.com/repos/kubernetes/release/releases/latest | jq -r .tag_name)
+    echo "Using krel release: $LATEST_RELEASE"
 
-echo "Downloading krel from GCB bucket…"
-GCB_URL="https://storage.googleapis.com/k8s-artifacts-sig-release/kubernetes/release/$LATEST_RELEASE/krel-amd64-linux"
-curl_retry "$GCB_URL" -o "$KREL_OUTPUT_PATH"
-chmod +x "$KREL_OUTPUT_PATH"
+    echo "Downloading krel from GCB bucket…"
+    GCB_URL="https://storage.googleapis.com/k8s-artifacts-sig-release/kubernetes/release/$LATEST_RELEASE/krel-amd64-linux"
+    curl_retry "$GCB_URL" -o "$KREL_OUTPUT_PATH"
+    chmod +x "$KREL_OUTPUT_PATH"
+else
+    echo "Building krel from sources"
+    go build -o "$KREL_OUTPUT_PATH" ./cmd/krel
+fi
 
 echo "Done, output of 'krel version':"
 "$KREL_OUTPUT_PATH" version