Adding SLO for Speech in CN

CN_PROD/slo/Wirkkette_Speech_Service_Reliability_of_key_requests.tf

@@ -0,0 +1,41 @@
+module Wirkkette_Speech_Service_Vehicle_Reliability_of_key_requests {
+    
+    source = "../../_dynatrace-base-modules/dynatrace-service-level-objective"
+    
+    
+    name                        = "Wirkkette \"Speech Service\" - Reliability of key requests"
+    
+    description                 = "CoCo-QM-Report_Draft" 
+    
+    
+    #entity selector object 
+    filter                      = "" 
+            
+    #metric expression of the calculation as done in data explorer ui
+    metric_expression           = <<EOT
+    (100)-(builtin:service.keyRequest.errors.server.rate:filter(and(or(in("dt.entity.service_method",entitySelector("type(service_method),
+                    fromRelationship.isServiceMethodOfService(
+                        type(~"SERVICE~"),entityName.in(
+                            ~"hvd (/hvd) - ipa-backend-cn - prod~",
+                            ~"hvd (/hvd) - ipa-backend-cn - e2e~",
+                            ~"server (/htts) - ipa-backend-cn - prod~"
+                                )
+                        )
+                    ,entityName.in(
+                            ~"/hvd/speech~",
+                            ~"/htts/transcribe~"
+                            )"))))):splitBy())
+    EOT
+
+
+    #if not set (removed) it's defaulted to "-1d" 
+    timeframe                   = "-1d"         
+
+    #currently the only possible value
+    evaluation                  = "AGGREGATE"           
+
+    #Target and warning percentage of the SLO as double
+    target                      = 98           #if not set(removed) it's defaulted to 98
+    warning                     = 99           #if not set(removed) it's defaulted to 99
+
+}