Automate version bumping (#56)

Makefile

@@ -26,25 +26,26 @@ OVERRIDE_IMAGE_NAME?=$(ADAPTER_TEST_IMAGE)
 
 LDFLAGS=-w -X main.version=$(VERSION) -X main.commit=$(GIT_COMMIT)
 
-.PHONY: all test verify-gofmt gofmt verify
+.PHONY: all
 
 all: build
 
+.PHONY: fmt
 fmt:
 	find . -type f -name "*.go" | grep -v "./vendor*" | xargs gofmt -s -w
 
 .PHONY: build
 build:
 	CGO_ENABLED=0 GOARCH=$(GOARCH) go build -ldflags "$(LDFLAGS)" -a -tags netgo -o build/$(GOOS)/$(GOARCH)/$(BINARY_NAME) ./cmd/wavefront-adapter/
 
-
+.PHONY: test
 test:
 	CGO_ENABLED=0 go test ./pkg/...
 
+.PHONY: lint
 lint:
 	go vet -composites=false ./...
 
-
 BUILDER_SUFFIX=$(shell echo $(PREFIX) | cut -d '/' -f1)
 
 .PHONY: publish
@@ -53,5 +54,24 @@ publish:
 	CGO_ENABLED=0 GOOS=linux GOARCH=arm64 make build -o fmt -o vet
 	docker buildx create --use --node wavefront_k8s_adapter_builder_$(BUILDER_SUFFIX)
 	docker buildx build --platform linux/amd64,linux/arm64 --push --pull -t $(DOCKER_REPO)/$(DOCKER_IMAGE):$(VERSION) -t $(DOCKER_REPO)/$(DOCKER_IMAGE):latest -f Dockerfile build
+
+.PHONY: clean
 clean:
-	rm -rf $(OUT_DIR)
+	rm -rf $(OUT_DIR)
+
+# create a new bump version branch
+.PHONY: branch
+branch:
+	git stash
+	git checkout master
+	git pull
+	git checkout -b bump-version-$(VERSION)
+
+.PHONY: update-version
+update-version:
+	@if [ -z "$(NEW_VERSION)" ]; then echo "Need to set NEW_VERSION" && exit 1; fi
+	git add Makefile
+	git add release/VERSION
+	git add deploy/manifests/05-custom-metrics-apiserver-deployment.yaml
+	git commit -m "Bump version to $(NEW_VERSION)"
+	git push --set-upstream origin bump-version-$(NEW_VERSION)

bump-version.Jenkinsfile

@@ -0,0 +1,59 @@
+pipeline {
+    agent any
+
+    tools { go 'Go 1.18' }
+
+    environment {
+        PATH = "${env.WORKSPACE}/bin:${env.HOME}/go/bin:${env.PATH}"
+        GIT_CREDENTIAL_ID = 'wf-jenkins-github'
+        GITHUB_TOKEN = credentials('GITHUB_TOKEN')
+        REPO_NAME = 'wavefront-kubernetes-adapter'
+    }
+
+    parameters {
+        choice(name: 'BUMP_COMPONENT', choices: ['patch', 'minor', 'major'], description: 'Specify a semver component to bump.')
+    }
+
+    stages {
+        stage('Build and Run Tests') {
+            steps {
+                sh 'make fmt lint build test'
+            }
+        }
+
+        stage('Create Bump Version PR') {
+            environment {
+                BUMP_COMPONENT = "${params.BUMP_COMPONENT}"
+            }
+
+            steps {
+                sh 'git config --global user.email "[email protected]"'
+                sh 'git config --global user.name "svc.wf-jenkins"'
+                sh 'git remote set-url origin https://${GITHUB_TOKEN}@github.com/wavefronthq/${REPO_NAME}.git'
+                sh 'CGO_ENABLED=0 go install github.com/davidrjonas/semver-cli@latest'
+                sh './scripts/update_release_version.sh -v $(cat release/VERSION) -s ${BUMP_COMPONENT}'
+                sh './scripts/create_bump_version_pr.sh -v $(cat release/VERSION) -t ${GITHUB_TOKEN}'
+            }
+        }
+    }
+
+    // Notify only on null->failure or success->failure or failure->success
+    post {
+        failure {
+            script {
+                if(currentBuild.previousBuild == null) {
+                    slackSend (channel: '#tobs-k8po-team', color: '#FF0000', message: "Bump version failed: <${env.BUILD_URL}|${env.JOB_NAME} [${env.BUILD_NUMBER}]>")
+                }
+            }
+        }
+        regression {
+            slackSend (channel: '#tobs-k8po-team', color: '#FF0000', message: "Bump version failed: <${env.BUILD_URL}|${env.JOB_NAME} [${env.BUILD_NUMBER}]>")
+        }
+        fixed {
+            slackSend (channel: '#tobs-k8po-team', color: '#008000', message: "Bump version fixed: <${env.BUILD_URL}|${env.JOB_NAME} [${env.BUILD_NUMBER}]>")
+        }
+        always {
+            cleanWs()
+        }
+    }
+}

release/VERSION

@@ -0,0 +1 @@
+0.9.12

scripts/create_bump_version_pr.sh

@@ -0,0 +1,62 @@
+#!/usr/bin/env bash
+set -eou pipefail
+
+REPO_ROOT="$(git rev-parse --show-toplevel)"
+
+function create_pull_request() {
+  local version="$1"
+  local token="$2"
+  local branch_name="$3"
+
+  curl -fsSL -X 'POST' \
+    -H 'Accept: application/vnd.github+json' \
+    -H "Authorization: Bearer ${token}" \
+    -H 'X-GitHub-Api-Version: 2022-11-28' \
+    -d "{\"head\":\"${branch_name}\",\"base\":\"master\",\"title\":\"Bump version to ${version}\"}" \
+    https://api.github.com/repos/wavefrontHQ/wavefront-kubernetes-adapter/pulls
+}
+
+function check_required_argument() {
+  local required_arg="$1"
+  local failure_msg="$2"
+
+  if [[ -z "${required_arg}" ]]; then
+    print_usage_and_exit "${failure_msg}"
+  fi
+}
+
+function print_usage_and_exit() {
+  echo "Failure: $1"
+  echo "Usage: $0 [flags] [options]"
+  echo -e "\t-v bump version (required)"
+  echo -e "\t-t github token (required)"
+  exit 1
+}
+
+function main() {
+  cd "${REPO_ROOT}"
+
+  local VERSION=''
+  local GITHUB_TOKEN=''
+
+  while getopts ":v:t:" opt; do
+    case $opt in
+      v) VERSION="$OPTARG";;
+      t) GITHUB_TOKEN="$OPTARG";;
+      \?) print_usage_and_exit "Invalid option: -$OPTARG";;
+    esac
+  done
+
+  check_required_argument "${VERSION}" "-v <VERSION> is required"
+  check_required_argument "${GITHUB_TOKEN}" "-t <GITHUB_TOKEN> is required"
+
+  local GIT_BUMP_BRANCH_NAME="bump-version-${VERSION}"
+  git branch -D "$GIT_BUMP_BRANCH_NAME" &>/dev/null || true
+  git checkout -b "$GIT_BUMP_BRANCH_NAME"
+
+  make update-version NEW_VERSION="${VERSION}"
+
+  create_pull_request "${VERSION}" "${GITHUB_TOKEN}" "${GIT_BUMP_BRANCH_NAME}"
+}
+
+main "$@"

scripts/update_release_version.sh

@@ -0,0 +1,68 @@
+#!/usr/bin/env bash
+set -e
+
+REPO_ROOT=$(git rev-parse --show-toplevel)
+
+function get_bumped_version() {
+  local version="$1"
+  local bump_component="$2"
+
+  semver-cli inc "${bump_component}" "${version}"
+}
+
+function check_required_argument() {
+  local required_arg="$1"
+  local failure_msg="$2"
+
+  if [[ -z "${required_arg}" ]]; then
+    print_usage_and_exit "${failure_msg}"
+  fi
+}
+
+function print_usage_and_exit() {
+  echo "Failure: $1"
+  echo "Usage: $0 [flags] [options]"
+  echo -e "\t-v version to bump (required)"
+  echo -e "\t-s semver component to bump (required, ex: major, minor, patch)"
+  exit 1
+}
+
+function main() {
+  cd "${REPO_ROOT}"
+
+  local VERSION=''
+  local BUMP_COMPONENT=''
+  local NEXT_RELEASE_VERSION=''
+  local FUTURE_RELEASE_VERSION=''
+
+  while getopts ":v:s:" opt; do
+    case $opt in
+      v) VERSION="$OPTARG";;
+      s) BUMP_COMPONENT="$OPTARG";;
+      \?) print_usage_and_exit "Invalid option: -$OPTARG";;
+    esac
+  done
+
+  check_required_argument "${VERSION}" "-v <VERSION> is required"
+  check_required_argument "${BUMP_COMPONENT}" "-s <BUMP_COMPONENT> is required"
+
+  echo "Current release version: ${VERSION}"
+
+  NEXT_RELEASE_VERSION="$(get_bumped_version "${VERSION}" "${BUMP_COMPONENT}")"
+  echo "Next release version: ${NEXT_RELEASE_VERSION}"
+
+  # update the version in the image tag
+  sed -i.bak "s/wavefront-hpa-adapter:${VERSION}/wavefront-hpa-adapter:${NEXT_RELEASE_VERSION}/g" "${REPO_ROOT}"/deploy/manifests/05-custom-metrics-apiserver-deployment.yaml
+  rm -f "${REPO_ROOT}"/deploy/manifests/05-custom-metrics-apiserver-deployment.yaml.bak
+
+  echo "${NEXT_RELEASE_VERSION}" >"${REPO_ROOT}"/release/VERSION
+
+  FUTURE_RELEASE_VERSION="$(get_bumped_version "${NEXT_RELEASE_VERSION}" "patch")"
+  echo "Future release version: ${FUTURE_RELEASE_VERSION}"
+
+  # update the version in the Makefile
+  sed -i.bak "s/VERSION?=[0-9.]*/VERSION?=${FUTURE_RELEASE_VERSION}/g" "${REPO_ROOT}"/Makefile
+  rm -f "${REPO_ROOT}"/Makefile.bak
+}
+
+main "$@"