Release Automation: Generate version of website to push (googleforgam…

…es#2808)

build/includes/release.mk

@@ -53,6 +53,15 @@ example-image-markdown.%:
     tag=$$(make -silent echo-image-tag) && \
     echo "- [$$tag](https://$$tag)"
 
+
+# Deploys the site by taking in the base version and deploying the previous version
+release-deploy-site: $(ensure-build-image)
+release-deploy-site: DOCKER_RUN_ARGS += -e GOFLAGS="-mod=mod" --entrypoint=/usr/local/go/bin/go
+release-deploy-site:
+	version=$$($(DOCKER_RUN) run $(mount_path)/build/scripts/previousversion/main.go -version $(base_version)) && \
+	echo "Deploying Site Version: $$version" && \
+	$(MAKE) site-deploy SERVICE=$$version
+
 # Creates a release. Version defaults to the base_version
 # - Checks out a release branch
 # - Build binaries and images

build/scripts/previousversion/go.mod

@@ -0,0 +1,5 @@
+module github.com/agones/agones/build/scripts/previousversion
+
+go 1.19
+
+require github.com/blang/semver/v4 v4.0.0

build/scripts/previousversion/go.sum

@@ -0,0 +1,2 @@
+github.com/blang/semver/v4 v4.0.0 h1:1PFHFE6yCCTv8C1TeyNNarDzntLi7wMI5i/pzqYIsAM=
+github.com/blang/semver/v4 v4.0.0/go.mod h1:IbckMUScFkM3pff0VJDNKRiT6TG/YpiHIM2yvyW5YoQ=

build/scripts/previousversion/main.go

@@ -0,0 +1,30 @@
+// Copyright 2017 Google LLC All Rights Reserved.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package main
+
+import (
+	"flag"
+	"fmt"
+
+	semver "github.com/blang/semver/v4"
+)
+
+func main() {
+	baseVersion := flag.String("version", "", "the base version to be taken in as input for release")
+	flag.Parse()
+	v, _ := semver.Parse(*baseVersion)
+	releaseVersion := fmt.Sprintf("%d-%d-%d", v.Major, v.Minor-1, v.Patch)
+	fmt.Println(releaseVersion)
+}

docs/governance/templates/release_issue.md

@@ -32,10 +32,9 @@ and copy it into a release issue. Fill in relevant values, found inside {}
 - [ ] Any issues in the current milestone that are not closed, move to next milestone.
 - [ ] If release candidate add the label `feature-freeze-do-not-merge` to any feature pull requests.
 - [ ] `git checkout main && git pull --rebase upstream main`
-- [ ] If full release, run `make site-deploy SERVICE={version}-1`, (replace . with -)
-    - For example, if you are creating the 1.18.0 release, then you would deploy the 1-17-0 service (release minus one, and then replace dots with dashes).
-- [ ] Run `make gen-changelog` to generate the CHANGELOG.md (if release candidate
-  `make gen-changelog RELEASE_VERSION={version}-rc`). You will need your
+- [ ] If full release, run `make release-deploy-site`
+- [ ] Run `make gen-changelog` to generate the CHANGELOG.md (if release candidate 
+  `make gen-changelog RELEASE_VERSION={version}-rc`). You will need your 
   [GitHub Personal Access Token](https://github.com/settings/tokens) for this.
 - [ ] Ensure the [helm `tag` value][values] is correct (should be {version} if a full release, {version}-rc if release candidate)
 - [ ] Ensure the [helm `Chart` version values][chart] are correct (should be {version} if a full release, {version}-rc if release candidate)