Build binaries using GoReleaser

Author: christian-stephen

.circleci/config.yml

@@ -12,24 +12,27 @@ x-data:
   linux_machine_image: &linux_machine_image ubuntu-2204:2024.02.7
   go_image: &go_image cimg/go:1.22
 
+executors:
+  go:
+    docker:
+      - image: *go_image
+    resource_class: circleci-runner/rum-large
+
 workflows:
   main-workflow:
     jobs:
       - lint
-      - prepare-agents:
-          context: org-global
+      - build
       - build-and-publish-images:
           name: build-and-publish-image-amd64
           context: org-global
-          requires:
-            - prepare-agents
+          requires: [ lint, build ]
       - build-and-publish-images:
           name: build-and-publish-image-arm64
           resource: arm.medium
           arch: arm64
           context: org-global
-          requires:
-            - prepare-agents
+          requires: [ lint, build ]
       - publish-manifest:
           context: org-global
           filters:
@@ -42,9 +45,7 @@ workflows:
 
 jobs:
   lint:
-    docker:
-      - image: *go_image
-    resource_class: circleci-runner/rum-large
+    executor: go
     steps:
       - setup
       - run:
@@ -77,17 +78,19 @@ jobs:
       - store_results
       - notify_failing_main
 
-  prepare-agents:
-    docker:
-      - image: *go_image
-    resource_class: circleci-runner/rum-large
+  build:
+    executor: go
     steps:
-      - checkout
-      - run: ./do build-fake-agents
+      - goreleaser_setup
+      - run: go mod download
+      - run:
+          name: Build binaries
+          command: |
+            BUILD_VERSION="$(<version.txt)-<< pipeline.number >>-$(git rev-parse --short HEAD 2>/dev/null || echo latest)" \
+              ./do build
       - persist_to_workspace:
           root: .
-          paths:
-            - "./bin/circleci-*"
+          paths: [ target ]
       - notify_failing_main
 
   build-and-publish-images:
@@ -145,6 +148,26 @@ commands:
       - store_test_results:
           path: test-reports
 
+  goreleaser_setup:
+    steps:
+      - checkout
+      - attach_workspace:
+          at: .
+      - run:
+          name: Install GoReleaser
+          command: |
+            if [[ "$(command -v apk)" ]]; then
+              # Alpine doesn't come with the coreutils' sha256sum, which the GoReleaser Bash script expects...
+              apk upgrade && apk add coreutils
+            fi
+
+            curl -sfL https://goreleaser.com/static/run -o ./bin/goreleaser --create-dirs && chmod +x ./bin/goreleaser
+
+            if [[ $(uname -m) == aarch64 ]]; then
+              # A little hack to get the GoReleaser Bash script working on ARM64...
+              sed -i 's/$(uname -m)/arm64/g' ./bin/goreleaser
+            fi
+
   docker_login:
     steps:
       - run:

.goreleaser/binaries/builds.yaml

@@ -0,0 +1,27 @@
+dist: ./target
+
+builds:
+  - id: orchestrator
+    main: ./cmd/orchestrator
+    binary: ./bin/{{.Arch}}/orchestrator
+    ldflags: &ldflags
+      - -s -w
+      - -X github.com/circleci/runner-init/cmd.Version={{.Env.BUILD_VERSION}}
+      - -X github.com/circleci/runner-init/cmd.Date={{.Date}}
+    env: [CGO_ENABLED=0]
+    goos: [linux]
+    goarch: [amd64, arm64]
+    no_unique_dist_dir: true
+
+  - id: fake-task-agent
+    main: ./internal/faketaskagent
+    binary: ./bin/{{.Arch}}/fake-task-agent
+    ldflags:
+      - -s -w
+    env: [CGO_ENABLED=0]
+    goos: [linux]
+    goarch: [amd64, arm64]
+    no_unique_dist_dir: true
+
+release:
+  disable: true

CHANGELOG.md

@@ -1,4 +1,4 @@
-# CircleCI Init Changelog
+# CircleCI Runner Init Changelog
 
 This document serves to keep track of all changes made to the Runner init images and agents. Please follow the guidelines below while adding an entry:
 
@@ -10,5 +10,6 @@ By following these guidelines, we can easily determine which changes should be i
 
 ## Edge
 
+- [#12](https://github.com/circleci/runner-init/pull/12) [INTERNAL] Use [GoReleaser](https://goreleaser.com/) For building the binaries.
 - [#11](https://github.com/circleci/runner-init/pull/11) [INTERNAL] Download task agent binaries directly via the Dockerfile.
 - [#10](https://github.com/circleci/runner-init/pull/10) [INTERNAL] Set up linting tools, initiated a changelog, and performed other configurations in preparation for the orchestration agent.

cmd/orchestrator/main.go

@@ -0,0 +1,20 @@
+package main
+
+import (
+	"log" //nolint:depguard // a non-O11y log is allowed for a top-level fatal exit
+
+	"github.com/circleci/runner-init/cmd"
+)
+
+func main() {
+	if err := run(cmd.Version, cmd.Date); err != nil {
+		log.Fatal(err)
+	}
+}
+
+//nolint:unparam // TODO
+func run(version, date string) (err error) {
+	println(version, date)
+
+	return err
+}

cmd/version.go

@@ -0,0 +1,7 @@
+package cmd
+
+// Variables to be set by the linker
+var (
+	Version = "dev"
+	Date    = ""
+)

do

@@ -7,12 +7,37 @@ GORELEASER_VERSION="v1.26.2"
 
 # This variable is used, but shellcheck can't tell.
 # shellcheck disable=SC2034
-help_build_fake_agents="Build the fake agent go binaries"
-build-fake-agents() {
-    export CGO_ENABLED=0
+help_build="Build the Go binaries and archives"
+build() {
+    set -x
+
+    [[ -f ./bin/goreleaser ]] || install-go-bin "github.com/goreleaser/goreleaser@latest"
+
+    VERSION="${GORELEASER_VERSION}" \
+    BUILD_VERSION="${BUILD_VERSION:?'required'}" ./bin/goreleaser \
+        --clean \
+        --config "${BUILD_CONFIG:-./.goreleaser/binaries/builds.yaml}" \
+        --skip=validate \
+        --snapshot "$@"
+
+    echo "${BUILD_VERSION}" | tee ./target/version.txt
+}
+
+# This variable is used, but shellcheck can't tell.
+# shellcheck disable=SC2034
+help_dev_binary="Build single target Go binaries for local dev"
+dev-build() {
+    set -x
+
+    [[ -f ./bin/goreleaser ]] || install-go-bin "github.com/goreleaser/goreleaser@latest"
 
-    GOOS=linux GOARCH=amd64 go build -o ./bin/circleci-fake-agent-amd64 ./internal/fake-agent
-    GOOS=linux GOARCH=arm64 go build -o ./bin/circleci-fake-agent-arm64 ./internal/fake-agent
+    VERSION="${GORELEASER_VERSION}" \
+    BUILD_VERSION="${BUILD_VERSION:-dev}" ./bin/goreleaser build \
+        --clean \
+        --config ./.goreleaser/binaries/builds.yaml \
+        --single-target \
+        --skip=validate \
+        --snapshot "$@"
 }
 
 # This variable is used, but shellcheck can't tell.

go.mod

@@ -1,4 +1,4 @@
-module github.com/circleci/circleci-fake-agent
+module github.com/circleci/runner-init
 
 go 1.22.0
 

internal/fake-agent/main.go internal/faketaskagent/main.go

@@ -2,7 +2,7 @@ FROM busybox:stable-musl as build
 
 ARG ARCH=amd64
 
-COPY ./bin/circleci-fake-agent-${ARCH} /opt/circleci/bin/circleci-agent
+COPY ./target/bin/${ARCH}/fake-task-agent /opt/circleci/bin/circleci-agent
 COPY ./runner-init/init.sh /init.sh
 
 ENTRYPOINT ["/init.sh"]

runner-init/fake-agent.Dockerfile

@@ -0,0 +1 @@
+0.0.0