Adding commit to page

Jenkinsfile

@@ -24,8 +24,9 @@ pipeline {
           steps {
             script {
               dir("server") {
+                GIT_COMMIT_HASH = sh (script: "git log -n 1 --pretty=format:'%H'", returnStdout: true)
                 docker.withRegistry('https://' + registryEndpoint, 'docker-registry') {
-                  serverImage = docker.build(serverImageName, "--build-arg STREAMER_VERSION_ARG=${env.BRANCH_NAME}-${env.BUILD_ID} --no-cache .")
+                  serverImage = docker.build(serverImageName, "--build-arg STREAMER_VERSION_ARG=${env.BRANCH_NAME}-${env.BUILD_ID} --build-arg STREAMER_COMMIT_ARG=${GIT_COMMIT_HASH} --no-cache .")
                 }
               }
             }

server/Dockerfile

@@ -1,8 +1,10 @@
 FROM golang:1.23.4-alpine3.21 AS build
 
 LABEL stage="builder"
+LABEL author="Liam Burnand"
 
 ARG STREAMER_VERSION_ARG
+ARG STREAMER_COMMIT_ARG
 
 VOLUME /db
 
@@ -16,6 +18,8 @@ RUN apk update && apk add git make protoc && apk add protoc-gen-go --repository
 
 # Set build variables
 RUN echo -n "-X 'main.Version=$STREAMER_VERSION_ARG" > ./ldflags && \
+    tr -d \\n < ./ldflags > ./temp && mv ./temp ./ldflags && \
+    echo -n "' -X 'main.Commit=$STREAMER_COMMIT_ARG" >> ./ldflags && \
     tr -d \\n < ./ldflags > ./temp && mv ./temp ./ldflags && \
     echo -n "'" >> ./ldflags
 

server/main.go

@@ -28,6 +28,7 @@ type (
 var (
 	verbose bool
 	Version = "unknown"
+	Commit  = "unknown"
 )
 
 //go:embed public/*
@@ -82,6 +83,7 @@ func main() {
 	}
 
 	config.Version = Version
+	config.Commit = Commit
 
 	r := &Router{
 		config: config,
@@ -98,7 +100,7 @@ func main() {
 
 	r.views.BeginWatchdog()
 
-	log.Printf("streamer server version: %s", Version)
+	log.Printf("streamer server version: %s, commit: %s", Version, Commit)
 
 	r.router.Logger.Error(r.router.Start(r.config.ServerAddress))
 	log.Fatalf("failed to start router on address %s", r.config.ServerAddress)

server/templates/_base.tmpl

@@ -31,7 +31,8 @@
     {{template "content" .}}
     <br><br>
     {{ $year := thisYear }}
-    <footer id="footer">Streamer (version: {{ getVersion }}) - created by Liam Burnand 2022{{if ne $year 2022}}-{{ $year }}{{end}}</footer>
+    <footer id="footer">Streamer (version: {{ getVersion }}, <a href="https://github.com/ystv/streamer/commit/{{ getCommit }}"
+                                                                target="_blank">GitHub (commit: {{ getCommit }})</a>) - created by Liam Burnand 2022{{if ne $year 2022}}-{{ $year }}{{end}}</footer>
     <script>
         const toggleSwitch = document.getElementById("theme_checkbox");
 

server/templates/templates.go

@@ -14,6 +14,7 @@ var tmpls embed.FS
 
 type Templater struct {
 	Version string
+	Commit  string
 }
 
 type Template string
@@ -39,9 +40,10 @@ func (t Template) String() string {
 	return string(t)
 }
 
-func NewTemplate(version string) *Templater {
+func NewTemplate(version, commit string) *Templater {
 	return &Templater{
 		Version: version,
+		Commit:  commit,
 	}
 }
 
@@ -70,6 +72,9 @@ func (t *Templater) getFuncMaps() template.FuncMap {
 		"getVersion": func() string {
 			return t.Version
 		},
+		"getCommit": func() string {
+			return t.Commit
+		},
 	}
 }
 

server/views/views.go

@@ -27,6 +27,7 @@ type (
 	Config struct {
 		Verbose               bool
 		Version               string
+		Commit                string
 		StreamServer          string `envconfig:"STREAM_SERVER"`
 		TransmissionLight     string `envconfig:"TRANSMISSION_LIGHT"`
 		KeyChecker            string `envconfig:"KEY_CHECKER"`
@@ -188,7 +189,7 @@ func New(conf Config, store *store.Store) *Views {
 		conf:     conf,
 		cookie:   cookie,
 		store:    store,
-		template: templates.NewTemplate(conf.Version),
+		template: templates.NewTemplate(conf.Version, conf.Commit),
 	}
 }