INFOTAIN-33631: Add FestiveMode SLO to NA.

NA_PROD/slo/ICES_-_FestiveModeAPI.tf

@@ -0,0 +1,32 @@
+module ICES_-_FestiveModeAPI {
+    
+    source = "../../_dynatrace-base-modules/dynatrace-service-level-objective"
+    
+    
+    name                        = "ICES - FestiveModeApi"
+
+    description                 = "FestiveModeApi"
+
+    
+    
+    #entity selector object 
+    filter                      = "type(\"SERVICE\"),entityName.in(\"FestiveModeApi - ices - prod\")"
+
+
+    #metric expression of the calculation as done in data explorer ui
+    metric_expression           = "(100)*((1)-(builtin:service.errors.fivexx.count:splitBy():avg:auto:sort(value(avg,descending)):limit(10))/(builtin:service.requestCount.total:splitBy():sum:auto:sort(value(sum,descending)):limit(10)))"
+
+    #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
+    
+}