Introduce welcome message and change default timeout

The welcome message shows the difference between
Pro and CE.

The timeout of 8 seconds was never going to be useful as
a default, so changing to 60 seconds.

Signed-off-by: Alex Ellis (OpenFaaS Ltd) <alex@openfaas.com>

gateway/main.go

@@ -27,10 +27,6 @@ const NameExpression = "-a-zA-Z_0-9."
 
 func main() {
 
-	if len(version.GitCommitMessage) == 0 {
-		version.GitCommitMessage = "See GitHub for latest changes"
-	}
-
 	osEnv := types.OsEnv{}
 	readConfig := types.ReadConfig{}
 	config, configErr := readConfig.Read(osEnv)
@@ -38,15 +34,18 @@ func main() {
 	if configErr != nil {
 		log.Fatalln(configErr)
 	}
-
-	log.Printf("HTTP Read Timeout: %s", config.ReadTimeout)
-	log.Printf("HTTP Write Timeout: %s", config.WriteTimeout)
-
 	if !config.UseExternalProvider() {
 		log.Fatalln("You must provide an external provider via 'functions_provider_url' env-var.")
 	}
 
-	log.Printf("Binding to external function provider: %s", config.FunctionsProviderURL)
+	fmt.Printf("OpenFaaS Gateway - Community Edition (CE)\n"+
+		"\nVersion: %s Commit: %s\nTimeouts: read=%s\twrite=%s\tupstream=%s\nFunction provider: %s\n\n",
+		version.BuildVersion(),
+		version.GitCommitSHA,
+		config.ReadTimeout,
+		config.WriteTimeout,
+		config.UpstreamTimeout,
+		config.FunctionsProviderURL)
 
 	// credentials is used for service-to-service auth
 	var credentials *auth.BasicAuthCredentials
@@ -67,9 +66,6 @@ func main() {
 
 	servicePollInterval := time.Second * 5
 
-	metadataQuery := metrics.NewMetadataQuery(credentials)
-	fmt.Println(metadataQuery)
-
 	metricsOptions := metrics.BuildMetricsOptions()
 	exporter := metrics.NewExporter(metricsOptions, credentials, config.Namespace)
 	exporter.StartServiceWatcher(*config.FunctionsProviderURL, metricsOptions, "func", servicePollInterval)

gateway/types/readconfig.go

@@ -59,7 +59,7 @@ func (ReadConfig) Read(hasEnv HasEnv) (*GatewayConfig, error) {
 		PrometheusPort: 9090,
 	}
 
-	defaultDuration := time.Second * 8
+	defaultDuration := time.Second * 60
 
 	cfg.ReadTimeout = parseIntOrDurationValue(hasEnv.Getenv("read_timeout"), defaultDuration)
 	cfg.WriteTimeout = parseIntOrDurationValue(hasEnv.Getenv("write_timeout"), defaultDuration)

gateway/types/readconfig_test.go

@@ -198,13 +198,16 @@ func TestRead_EmptyTimeoutConfig(t *testing.T) {
 
 	config, _ := readConfig.Read(defaults)
 
-	if (config.ReadTimeout) != time.Duration(8)*time.Second {
-		t.Log("ReadTimeout incorrect")
-		t.Fail()
+	want := time.Second * 60
+	got := config.ReadTimeout
+	if got != want {
+		t.Fatalf("config.ReadTimeout want: %s, but got: %s", want, got)
 	}
-	if (config.WriteTimeout) != time.Duration(8)*time.Second {
-		t.Log("WriteTimeout incorrect")
-		t.Fail()
+
+	want = time.Second * 60
+	got = config.WriteTimeout
+	if got != want {
+		t.Fatalf("config.WriteTimeout want: %s, but got: %s", want, got)
 	}
 }
 

gateway/version/version.go

@@ -8,7 +8,7 @@ var (
 	GitCommitSHA string
 
 	// GitCommitMessage as read from the latest tag/release
-	GitCommitMessage string
+	GitCommitMessage = "See GitHub for latest changes"
 
 	// DevVersion string for the development version
 	DevVersion = "dev"