fix: exporter timeout equal to default prometheus timeout (#41)

Co-authored-by: Henri Devigne <henri@devigne.digital>

Author: henri9813

README.md

@@ -68,7 +68,7 @@ The exporter can be configured with command line arguments, environment variable
 | --eventstore-user              | EVENTSTORE_USER              | (empty)                 | EventStoreDB user (if not specified, basic auth is not used)                                                                            |
 | --eventstore-password          | EVENTSTORE_PASSWORD          | (empty)                 | EventStoreDB password (if not specified, basic auth is not used)                                                                        |
 | --port                         | PORT                         | 9448                    | Port to expose scrape endpoint on                                                                                                       |
-| --timeout                      | TIMEOUT                      | 10s                     | Timeout for the scrape operation                                                                                                        |
+| --timeout                      | TIMEOUT                      | 8s                      | Timeout for the scrape operation                                                                                                        |
 | --verbose                      | VERBOSE                      | false                   | Enable verbose logging                                                                                                                  |
 | --insecure-skip-verify         | INSECURE_SKIP_VERIFY         | false                   | Skip TLS certificate verification for EventStore HTTP client                                                                            |
 | --enable-parked-messages-stats | ENABLE_PARKED_MESSAGES_STATS | false                   | Enable parked messages stats scraping.                                                                                                  |

internal/config/config.go

@@ -33,7 +33,7 @@ func Load(args []string, suppressOutput bool) (*Config, error) {
 	fs.StringVar(&config.EventStoreUser, "eventstore-user", "", "EventStore User")
 	fs.StringVar(&config.EventStorePassword, "eventstore-password", "", "EventStore Password")
 	fs.UintVar(&config.Port, "port", 9448, "Port to expose scraping endpoint on")
-	fs.DurationVar(&config.Timeout, "timeout", time.Second*10, "Timeout for the scrape operation")
+	fs.DurationVar(&config.Timeout, "timeout", time.Second*8, "Timeout for the scrape operation")
 	fs.BoolVar(&config.Verbose, "verbose", false, "Enable verbose logging")
 	fs.BoolVar(&config.InsecureSkipVerify, "insecure-skip-verify", false, "Skip TLS certificatte verification for EventStore HTTP client")
 	fs.BoolVar(&config.EnableParkedMessagesStats, "enable-parked-messages-stats", false, "Enable parked messages stats scraping")

internal/config/config_test.go

@@ -18,7 +18,7 @@ func TestLoadConfig(t *testing.T) {
 			name: "no parameters specified reults in defaults",
 			args: []string{},
 			expectedConfig: Config{
-				Timeout:                   time.Duration(10 * time.Second),
+				Timeout:                   time.Duration(8 * time.Second),
 				Port:                      9448,
 				Verbose:                   false,
 				InsecureSkipVerify:        false,