fix: use correct project name for otel default service name (#406)

Author: raffis

README.md

@@ -81,6 +81,23 @@ spec:
     webhookPath: /hooks/ixuxbmoofkiq9s2l61h6i2sl6hdgwnud
 ```
 
+## Request flow
+```mermaid
+flowchart LR
+    ReceiverA["Receiver A"]
+    WebhookControllerIngress["Webhook Controller Ingress"]
+    ServiceA["Service A"]
+    ServiceB["Service B"]
+    ServiceC["Service C"]
+    WebhookController["WebhookController"]
+
+    WebhookControllerIngress-- HTTP Request https://ingres-host/hooks/ixuxbmoofkiq9s2l61h6i2sl6hdgwnud -->WebhookController
+    WebhookController-- Look for receiver matching /hooks/ixuxbmoofkiq9s2l61h6i2sl6hdgwnud -->ReceiverA
+    ReceiverA-- Clone request and forward -->ServiceA 
+    ReceiverA-- Clone request and forward -->ServiceB 
+    ReceiverA-- Clone request and forward -->ServiceC 
+```
+
 ## More configurations
 
 ### Response type
@@ -215,7 +232,7 @@ The controller can be configured using cmd args:
 --min-retry-delay duration                  The minimum amount of time for which an object being reconciled will have to wait before a retry. (default 750ms)
 --otel-endpoint string                      Opentelemetry gRPC endpoint (without protocol)
 --otel-insecure                             Opentelemetry gRPC disable tls
---otel-service-name string                  Opentelemetry service name (default "k8skeycloak-controller")
+--otel-service-name string                  Opentelemetry service name (default "webhook-controller")
 --otel-tls-client-cert-path string          Opentelemetry gRPC mTLS client cert path
 --otel-tls-client-key-path string           Opentelemetry gRPC mTLS client key path
 --otel-tls-root-ca-path string              Opentelemetry gRPC mTLS root CA path

internal/otelsetup/options.go

@@ -47,7 +47,7 @@ func (o *Options) getTLSConfig() (*tls.Config, error) {
 
 // BindFlags will parse the given pflag.FlagSet
 func (o *Options) BindFlags(fs *pflag.FlagSet) {
-	fs.StringVar(&o.ServiceName, "otel-service-name", "k8skeycloak-controller", "Opentelemetry service name")
+	fs.StringVar(&o.ServiceName, "otel-service-name", "webhook-controller", "Opentelemetry service name")
 	fs.StringVar(&o.Endpoint, "otel-endpoint", "", "Opentelemetry gRPC endpoint (without protocol)")
 	fs.BoolVar(&o.Insecure, "otel-insecure", false, "Opentelemetry gRPC disable tls")
 	fs.StringVar(&o.TLSClientKeyPath, "otel-tls-client-key-path", "", "Opentelemetry gRPC mTLS client key path")