Merge pull request #369 from porters-xyz/develop

Configurable File Descriptor Threshold

Author: scermat

gateway/common/config.go

@@ -31,6 +31,7 @@ const (
 	FLY_GATEWAY_URI                = "FLY_GATEWAY_URI"
 	GATEWAY_API_KEY                = "GATEWAY_API_KEY"
 	GATEWAY_REQUEST_API_KEY        = "GATEWAY_REQUEST_API_KEY"
+	FILE_DESCRIPTOR_LIMIT          = "FILE_DESCRIPTOR_LIMIT"
 )
 
 // This may evolve to include config outside env, or use .env file for
@@ -59,6 +60,7 @@ func setupConfig() *Config {
 		config.defaults[LOG_HTTP_RESPONSE] = "false"
 		config.defaults[LOG_BALANCE_UPDATE] = "false"
 		config.defaults[LOG_HTTP_REQUEST_FILTER] = ""
+		config.defaults[FILE_DESCRIPTOR_LIMIT] = "5000"
 
 		level := parseLogLevel(os.Getenv(LOG_LEVEL))
 		config.SetLogLevel(level)

gateway/proxy/health.go

@@ -19,6 +19,7 @@ type HealthStatus struct {
 // New function to check file descriptor health and log the results using slog
 func checkFileDescriptorHealth() bool {
 	var rLimit unix.Rlimit
+	fdLimit := common.GetConfigInt("FILE_DESCRIPTOR_LIMIT")
 
 	// Get the max number of allowed file descriptors
 	err := unix.Getrlimit(unix.RLIMIT_NOFILE, &rLimit)
@@ -35,7 +36,7 @@ func checkFileDescriptorHealth() bool {
 	}
 	fdUsage := uint64(len(files))
 
-	healthy := fdUsage < rLimit.Cur*80/100
+	healthy := fdUsage < uint64(fdLimit)
 
 	// Log the file descriptor information using slog
 	slog.Info("File Descriptor Usage",