wait for keycloak client creation

Jenkinsfile

@@ -365,6 +365,7 @@ Void startGoofy(String namespace, String values, String imageTag, String bezeich
             }
         }
 
+        waitForKeycloakClientCreation(namespace)
         createKeycloakGroups(namespace)
         generateKeycloakUserYaml(namespace)
         applyKeycloakUser(namespace)
@@ -542,4 +543,16 @@ String getKeycloakAccessToken() {
 
 		return token.access_token
 	}
+}
+
+Void waitForKeycloakClientCreation(realm) {
+    def shScript = """curl -H 'Content-Type: application/json' \
+                        -H 'Authorization: bearer ${getKeycloakAccessToken()}' \
+                        'https://sso.dev.ozg-sh.de/auth/admin/realms/${realm}/clients' \
+                        | grep -q ${realm}-goofy
+                    """
+
+    while(sh(script: shScript, returnStatus: true)) {
+        sh 'sleep 5'
+    }
 }
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