status: use env as parameters to service

Instead of having to rewrite the service file with parameters,
leverage Env file to pass default parameters values.

autogits.spec

@@ -122,6 +122,7 @@ install -D -m0755 group-review/group-review
 install -D -m0755 obs-staging-bot/obs-staging-bot                                  %{buildroot}%{_bindir}/obs-staging-bot
 install -D -m0644 systemd/obs-staging-bot.service                                  %{buildroot}%{_unitdir}/obs-staging-bot.service
 install -D -m0755 obs-status-service/obs-status-service                            %{buildroot}%{_bindir}/obs-status-service
+install -D -m0644 systemd/obs-status-service.service                               %{buildroot}%{_unitdir}/obs-status-service.service
 install -D -m0755 workflow-direct/workflow-direct                                  %{buildroot}%{_bindir}/workflow-direct
 install -D -m0755 workflow-pr/workflow-pr                                          %{buildroot}%{_bindir}/workflow-pr
 install -D -m0755 hujson/hujson                                                    %{buildroot}%{_bindir}/hujson
@@ -150,6 +151,18 @@ install -D -m0755 hujson/hujson
 %postun -n obs-staging-bot
 %service_del_postun obs-staging-bot.service
 
+%pre -n obs-status-service
+%service_add_pre obs-status-service.service
+
+%post -n obs-status-service
+%service_add_post obs-status-service.service
+
+%preun -n obs-status-service
+%service_del_preun obs-status-service.service
+
+%postun -n obs-status-service
+%service_del_postun obs-status-service.service
+
 %files -n gitea-events-rabbitmq-publisher
 %license COPYING
 %doc gitea-events-rabbitmq-publisher/README.md
@@ -180,6 +193,7 @@ install -D -m0755 hujson/hujson
 %license COPYING
 %doc obs-status-service/README.md
 %{_bindir}/obs-status-service
+%{_unitdir}/obs-status-service.service
 
 %files -n workflow-direct
 %license COPYING

obs-status-service/README.md

@@ -31,3 +31,14 @@ Target Usage
   * README.md of package git or project git
   * comment section of a Gitea PR
 
+Running
+-------
+
+Default parameters can be changed by env variables
+
+| Environment variable            | Default                     | Description
+|---------------------------------|-----------------------------|------------
+| `OBS_STATUS_SERVICE_OBS_URL`    | https://build.opensuse.org  | Location for creating build logs and monitor page build results
+| `OBS_STATUS_SERVICE_LISTEN`     | [::1]:8080                  | Listening address and port
+| `OBS_STATUS_SERVICE_CERT`       | /run/obs-status-service.pem | Location of certificate file for service
+| `OBS_STATUS_SERVICE_KEY`        | /run/obs-status-service.pem | Location of key file for service

obs-status-service/main.go

@@ -208,22 +208,35 @@ func WriteJson(data any, res http.ResponseWriter) {
 var ObsUrl *string
 
 func main() {
-	cert := flag.String("cert-file", "", "TLS certificates file")
+	obsUrlDef := os.Getenv("OBS_STATUS_SERVICE_OBS_URL")
-	key := flag.String("key-file", "", "Private key for the TLS certificate")
+	if len(obsUrlDef) == 0 {
-	listen := flag.String("listen", "[::1]:8080", "Listening string")
+		obsUrlDef = "https://build.opensuse.org"
+	}
+	listenDef := os.Getenv("OBS_STATUS_SERVICE_LISTEN")
+	if len(listenDef) == 0 {
+		listenDef = "[::1]:8080"
+	}
+	certDef := os.Getenv("OBS_STATUS_SERVICE_CERT")
+	if len(certDef) == 0 {
+		certDef = "/run/obs-status-service.pem"
+	}
+	keyDef := os.Getenv("OBS_STATUS_SERVICE_KEY")
+	if len(keyDef) == 0 {
+		keyDef = certDef
+	}
+
+	cert := flag.String("cert-file", certDef, "TLS certificates file")
+	key := flag.String("key-file", keyDef, "Private key for the TLS certificate")
+	listen := flag.String("listen", listenDef, "Listening string")
 	disableTls := flag.Bool("no-tls", false, "Disable TLS")
-	ObsUrl = flag.String("obs-url", "https://http.opensuse.org", "OBS API endpoint for package buildlog information")
+	ObsUrl = flag.String("obs-url", obsUrlDef, "OBS API endpoint for package buildlog information")
 	debug := flag.Bool("debug", false, "Enable debug logging")
-	//	RabbitMQHost := flag.String("rabbit-mq", "amqps://rabbit.opensuse.org", "RabbitMQ message bus server")
-	//	Topic := flag.String("topic", "opensuse.obs", "RabbitMQ topic prefix")
 	flag.Parse()
 
 	if *debug {
 		common.SetLoggingLevel(common.LogLevelDebug)
 	}
 
-	// common.PanicOnError(common.RequireObsSecretToken())
-
 	if redisUrl := os.Getenv("REDIS"); len(redisUrl) > 0 {
 		RedisConnect(redisUrl)
 	} else {

systemd/obs-status-service.service

@@ -0,0 +1,16 @@
+[Unit]
+Description=OBS build status as SVG service
+After=network-online.target
+
+[Service]
+Type=exec
+Restart=on-failure
+ExecStart=/usr/bin/obs-status-service
+EnvironmentFile=-/etc/default/obs-status-service.env
+DynamicUser=yes
+NoNewPrivileges=yes
+ProtectSystem=strict
+
+[Install]
+WantedBy=multi-user.target
+