create automated time-to-k8s benchmarks on release

.github/workflows/time-to-k8s.yml

@@ -0,0 +1,20 @@
+name: "time-to-k8s benchmark"
+on:
+  pull_request:
+    types: [opened]
+  #  release:
+  #    types: [released]
+jobs:
+  benchmark:
+    runs-on: ubuntu-18.04
+    steps:
+    - uses: actions/checkout@v2
+    - name: Checkout submodules
+      run: git submodule update --init
+    - uses: actions/setup-go@v2
+      with:
+          go-version: 1.16.5
+          stable: true
+    - name: Benchmark
+      run: |
+          ./hack/benchmark/time-to-k8s/time-to-k8s.sh ${{ secrets.MINIKUBE_BOT_PAT }}

.gitmodules

@@ -1,6 +1,6 @@
 [submodule "site/themes/docsy"]
 	path = site/themes/docsy
 	url = https://github.com/google/docsy.git
-[submodule "hack/benchmark/time-to-k8s/time-to-k8s"]
-	path = hack/benchmark/time-to-k8s/time-to-k8s
+[submodule "hack/benchmark/time-to-k8s/time-to-k8s-repo"]
+	path = hack/benchmark/time-to-k8s/time-to-k8s-repo
 	url = https://github.com/tstromberg/time-to-k8s.git

hack/benchmark/time-to-k8s/time-to-k8s.sh

@@ -31,31 +31,58 @@ install_minikube() {
 	sudo install ./out/minikube /usr/local/bin/minikube
 }
 
+install_gh() {
+	export access_token="$1"
+
+	# Make sure gh is installed and configured
+	./hack/jenkins/installers/check_install_gh.sh
+}
+
+config_git() {
+	git config user.name "minikube-bot"
+	git config user.email "minikube-bot@google.com"
+}
+
+create_branch() {
+	git checkout -b addTimeToK8s"$1"
+}
+
 run_benchmark() {
-	( cd ./hack/benchmark/time-to-k8s/time-to-k8s/ &&
+	pwd
+	( cd ./hack/benchmark/time-to-k8s/time-to-k8s-repo/ &&
 		git submodule update --init &&
-		go run . --config local-kubernetes.yaml --iterations 5 --output output.csv )
+		go run . --config local-kubernetes.yaml --iterations 1 --output output.csv )
 }
 
 generate_chart() {
-	go run ./hack/benchmark/time-to-k8s/chart.go --csv ./hack/benchmark/time-to-k8s/time-to-k8s/output.csv --output ./site/static/images/benchmarks/timeToK8s/"$1".png
+	go run ./hack/benchmark/time-to-k8s/chart.go --csv ./hack/benchmark/time-to-k8s/time-to-k8s-repo/output.csv --output ./site/static/images/benchmarks/timeToK8s/"$1".png
 }
 
 create_page() {
 	printf -- "---\ntitle: \"%s Benchmark\"\nlinkTitle: \"%s Benchmark\"\nweight: 1\n---\n\n![time-to-k8s](/images/benchmarks/timeToK8s/%s.png)\n" "$1" "$1" "$1" > ./site/content/en/docs/benchmarks/timeToK8s/"$1".md
 }
 
-commit_chart() {
+commit_changes() {
 	git add ./site/static/images/benchmarks/timeToK8s/"$1".png ./site/content/en/docs/benchmarks/timeToK8s/"$1".md
-	git commit -m 'update time-to-k8s chart'
+	git commit -m "add time-to-k8s benchmark for $1"
+}
+
+create_pr() {
+	git remote add minikube-bot https://minikube-bot:"$2"@github.com/minikube-bot/minikube.git
+	git push -u minikube-bot addTimeToK8s"$1"
+	gh pr create --repo kubernetes/minikube --base master --title "Add time-to-k8s benchmark for $1" --body "Updating time-to-k8s benchmark as part of the release process"
 }
 
 install_kind
 install_k3d
 install_minikube
-VERSION=$(minikube version --short)
+install_gh "$1"
+config_git
 
+VERSION=$(minikube version --short)
+create_branch "$VERSION"
 run_benchmark
 generate_chart "$VERSION"
 create_page "$VERSION"
-commit_chart "$VERSION"
+commit_changes "$VERSION"
+create_pr "$VERSION" "$1"