MINOR: make docker image sha1 repeatable

Author: ivanmatmati

build/Dockerfile

@@ -26,14 +26,14 @@ RUN mkdir -p /var/run/vars && \
     cd /src && \
     git config --get remote.origin.url > /var/run/vars/GIT_REPO && \
     git rev-parse --short HEAD > /var/run/vars/GIT_HEAD_COMMIT && \
+    git log -1 --date=format:"%Y/%m/%d %T" --format="%ad" > /var/run/vars/GIT_DATE_LAST_COMMIT && \
     git describe --abbrev=0 --tags > /var/run/vars/GIT_LAST_TAG && \
     git rev-parse --short $(cat /var/run/vars/GIT_LAST_TAG) > /var/run/vars/GIT_TAG_COMMIT && \
     git diff $(cat /var/run/vars/GIT_HEAD_COMMIT) $(cat /var/run/vars/GIT_TAG_COMMIT) --quiet > /var/run/vars/GIT_MODIFIED1 || echo '.dev' > /var/run/vars/GIT_MODIFIED1 && \
     git diff --quiet > /var/run/vars/GIT_MODIFIED2 || echo '.dirty' > /var/run/vars/GIT_MODIFIED2 && \
     cat /var/run/vars/GIT_MODIFIED1 /var/run/vars/GIT_MODIFIED2 | tr -d '\n' > /var/run/vars/GIT_MODIFIED && \
-    date '+%Y-%m-%dT%H:%M:%S' > /var/run/vars/BUILD_DATE && \
     CGO_ENABLED=0 go build \
-        -ldflags "-X main.GitRepo=$(cat /var/run/vars/GIT_REPO) -X main.GitTag=$(cat /var/run/vars/GIT_LAST_TAG) -X main.GitCommit=$(cat /var/run/vars/GIT_HEAD_COMMIT) -X main.GitDirty=$(cat /var/run/vars/GIT_MODIFIED) -X main.BuildTime=$(cat /var/run/vars/BUILD_DATE)" \
+        -ldflags "-X main.GitRepo=$(cat /var/run/vars/GIT_REPO) -X main.GitTag=$(cat /var/run/vars/GIT_LAST_TAG) -X main.GitCommit=$(cat /var/run/vars/GIT_HEAD_COMMIT) -X main.GitDirty=$(cat /var/run/vars/GIT_MODIFIED) -X \"main.GitCommitDate=$(cat /var/run/vars/GIT_DATE_LAST_COMMIT)\"" \
         -o fs/haproxy-ingress-controller .
 
 FROM haproxytech/haproxy-alpine:2.7

main.go

@@ -135,7 +135,7 @@ func logInfo(logger utils.Logger, osArgs utils.OSArgs) {
 	if len(osArgs.Version) > 0 {
 		fmt.Printf("HAProxy Ingress Controller %s %s%s", GitTag, GitCommit, GitDirty)
 		fmt.Printf("Build from: %s", GitRepo)
-		fmt.Printf("Build date: %s\n", BuildTime)
+		fmt.Printf("Git commit date: %s", GitCommitDate)
 		if len(osArgs.Version) > 1 {
 			fmt.Printf("ConfigMap: %s", osArgs.ConfigMap)
 			fmt.Printf("Ingress class: %s", osArgs.IngressClass)
@@ -147,7 +147,7 @@ func logInfo(logger utils.Logger, osArgs utils.OSArgs) {
 	logger.Print(IngressControllerInfo)
 	logger.Printf("HAProxy Ingress Controller %s %s%s", GitTag, GitCommit, GitDirty)
 	logger.Printf("Build from: %s", GitRepo)
-	logger.Printf("Build date: %s\n", BuildTime)
+	logger.Printf("Git commit date: %s", GitCommitDate)
 	logger.Printf("ConfigMap: %s", osArgs.ConfigMap)
 	logger.Printf("Ingress class: %s", osArgs.IngressClass)
 	logger.Printf("Empty Ingress class: %t", osArgs.EmptyIngressClass)

version.go

@@ -26,20 +26,20 @@ var GitCommit = ""
 // GitDirty ...
 var GitDirty = "dirty"
 
-// BuildTime ...
-var BuildTime = ""
+// GitCommitDate ...
+var GitCommitDate = ""
 
 // IngressControllerInfo console pretty print
 const IngressControllerInfo = `
- _   _    _    ____                                            
-| | | |  / \  |  _ \ _ __ _____  ___   _                       
-| |_| | / _ \ | |_) | '__/ _ \ \/ / | | |                      
-|  _  |/ ___ \|  __/| | | (_) >  <| |_| |                      
-|_| |_/_/   \_\_|   |_|  \___/_/\_\\__, |                      
- _  __     _                       |___/             ___ ____  
-| |/ /   _| |__   ___ _ __ _ __   ___| |_ ___  ___  |_ _/ ___| 
-| ' / | | | '_ \ / _ \ '__| '_ \ / _ \ __/ _ \/ __|  | | |      
-| . \ |_| | |_) |  __/ |  | | | |  __/ ||  __/\__ \  | | |___ 
-|_|\_\__,_|_.__/ \___|_|  |_| |_|\___|\__\___||___/ |___\____| 
-															 
+ _   _    _    ____
+| | | |  / \  |  _ \ _ __ _____  ___   _
+| |_| | / _ \ | |_) | '__/ _ \ \/ / | | |
+|  _  |/ ___ \|  __/| | | (_) >  <| |_| |
+|_| |_/_/   \_\_|   |_|  \___/_/\_\\__, |
+ _  __     _                       |___/             ___ ____
+| |/ /   _| |__   ___ _ __ _ __   ___| |_ ___  ___  |_ _/ ___|
+| ' / | | | '_ \ / _ \ '__| '_ \ / _ \ __/ _ \/ __|  | | |
+| . \ |_| | |_) |  __/ |  | | | |  __/ ||  __/\__ \  | | |___
+|_|\_\__,_|_.__/ \___|_|  |_| |_|\___|\__\___||___/ |___\____|
+
 `