add buildinfo and Makefile

.gitignore

@@ -1,3 +1,4 @@
+bin
+tmp
 example/config/test.yaml
 test.yaml
-minccino

.goreleaser.yaml

@@ -25,6 +25,8 @@ builds:
       - goos: windows
         goarch: arm64
     mod_timestamp: "{{ .CommitTimestamp }}"
+    ldflags:
+      - -s -w -X github.com/ethpandaops/minccino/pkg/coordinator/buildinfo.BuildRelease={{.Tag}} -X github.com/ethpandaops/minccino/pkg/coordinator/buildinfo.BuildVersion={{.ShortCommit}}
 checksum:
   name_template: 'checksums.txt'
 snapshot:

Makefile

@@ -0,0 +1,18 @@
+# minccino
+VERSION := $(shell git rev-parse --short HEAD)
+GOLDFLAGS += -X 'github.com/ethpandaops/minccino/pkg/coordinator/buildinfo.BuildVersion="$(VERSION)"'
+GOLDFLAGS += -X 'github.com/ethpandaops/minccino/pkg/coordinator/buildinfo.BuildRelease="$(RELEASE)"'
+
+.PHONY: all test clean
+
+all: build
+
+test:
+	go test ./...
+
+build:
+	@echo version: $(VERSION)
+	go build -v -o bin/ -ldflags="-s -w $(GOLDFLAGS)" .
+
+clean:
+	rm -f bin/*

pkg/coordinator/buildinfo/buildinfo.go

@@ -0,0 +1,14 @@
+package buildinfo
+
+import "fmt"
+
+var BuildVersion string
+var BuildRelease string
+
+func GetVersion() string {
+	if BuildRelease == "" {
+		return fmt.Sprintf("git-%v", BuildVersion)
+	} else {
+		return fmt.Sprintf("%v (git-%v)", BuildRelease, BuildVersion)
+	}
+}

pkg/coordinator/coordinator.go

@@ -6,6 +6,7 @@ import (
 	"net/http"
 	"time"
 
+	"github.com/ethpandaops/minccino/pkg/coordinator/buildinfo"
 	"github.com/ethpandaops/minccino/pkg/coordinator/clients"
 	"github.com/ethpandaops/minccino/pkg/coordinator/test"
 	"github.com/prometheus/client_golang/prometheus/promhttp"
@@ -32,6 +33,7 @@ func NewCoordinator(config *Config, log logrus.FieldLogger, metricsPort, lameDuc
 // Run executes the coordinator until completion.
 func (c *Coordinator) Run(ctx context.Context) error {
 	c.log.
+		WithField("build_version", buildinfo.GetVersion()).
 		WithField("metrics_port", c.metricsPort).
 		WithField("lame_duck_seconds", c.lameDuckSeconds).
 		Info("starting coordinator")