Bugfixing in failure triggering

Signed-off-by: Lazar Cvetković <l.cvetkovic.997@gmail.com>

Author: cvetkovic

.github/configs/wordlist.txt

@@ -767,4 +767,8 @@ RpsImage
 BusyLoopOnSandboxStartup
 DirigentControlPlaneIP
 InvokeProtocol
-autoscaler
+autoscaler
+FailAt
+FailComponent
+FailNode
+FailureEnabled

pkg/config/parser.go

@@ -99,7 +99,7 @@ func ReadConfigurationFile(path string) LoaderConfiguration {
 func ReadFailureConfiguration(path string) *FailureConfiguration {
 	byteValue, err := os.ReadFile(path)
 	if err != nil {
-		log.Errorf("Failure configuration not found at '%s'...", path)
+		log.Warnf("Failure configuration not found at '%s'...", path)
 		return &FailureConfiguration{}
 	}
 

pkg/driver/failure/triggers.go

@@ -12,7 +12,7 @@ import (
 const NodeSeparator = " "
 
 func ScheduleFailure(platform string, config *config.FailureConfiguration) {
-	if config.FailAt != 0 && config.FailComponent != "" {
+	if config != nil && config.FailAt != 0 && config.FailComponent != "" {
 		switch platform {
 		case "Knative", "Knative-RPS":
 			triggerKnativeFailure(config.FailNode, config.FailComponent, config.FailAt)