[escalation] Single recipient per rule

Opsgenie only accepts a single recipient per rule.
Worst than that, if we send more than one recipient, OpsGenie API will
accept the payload will add only the first recipient and will return
200.

examples/config/resources/escalations.yaml

@@ -6,6 +6,6 @@ escalations:
     condition: if-not-acked
     notify_type: default
     delay: 0
-    recipients:
-    - type: team
+    recipient:
+      type: team
       team_name: acme.dev.some-service

examples/escalation/main.tf

@@ -28,10 +28,10 @@ module "escalation" {
     owner_team_id = module.owner_team.team_id
 
     rule = {
-      recipients = [{
+      recipient = {
         type = "team"
         id   = module.escalation_team.team_id
-      }]
+      }
     }
   }
 }

modules/config/README.md

@@ -50,7 +50,7 @@ escalations:
     condition: if-not-acked
     notify_type: default
     delay: 0
-    recipients:
+    recipient:
     - type: team
       team_name: acme.dev.some-service
 ```

modules/config/escalations.tf

@@ -15,22 +15,18 @@ resource "opsgenie_escalation" "this" {
       notify_type = try(rules.value.notify_type, "default")
       delay       = try(rules.value.delay, 0)
 
-      dynamic "recipient" {
-        for_each = try(rules.value.recipients, [])
-
-        content {
-          type = recipient.value.type
-
-          id = lookup(recipient.value, "id", null) != null ? recipient.value.id : (
-            recipient.value.type == "team" ? opsgenie_team.this[recipient.value.team_name].id : (
-              recipient.value.type == "user" ? try(opsgenie_user.this[recipient.value.user_name].id, data.opsgenie_user.this[recipient.value.user_name].id) : (
-                recipient.value.type == "schedule" ? opsgenie_schedule.this[recipient.value.schedule_name].id : (
-                  null
-                )
+      recipient {
+        type = rules.value.recipient.type
+
+        id = lookup(rules.value.recipient, "id", null) != null ? rules.value.recipient.id : (
+          rules.value.recipient.type == "team" ? try(opsgenie_team.this[rules.value.recipient.team_name].id, data.opsgenie_team.this[rules.value.recipient.team_name].id) : (
+            rules.value.recipient.type == "user" ? try(opsgenie_user.this[rules.value.recipient.user_name].id, data.opsgenie_user.this[rules.value.recipient.user_name].id) : (
+              rules.value.recipient.type == "schedule" ? try(opsgenie_schedule.this[rules.value.recipient.schedule_name].id, data.opsgenie_schedule.this[rules.value.recipient.schedule_name].id) : (
+                null
               )
             )
           )
-        }
+        )
       }
     }
   }

modules/escalation/README.md

@@ -18,10 +18,10 @@ module "escalation" {
     owner_team_id = module.owner_team.team_id
 
     rule = {
-      recipients = [{
+      recipient = {
         type = "team"
         id   = module.escalation_team.team_id
-      }]
+      }
     }
   }
 
@@ -31,7 +31,7 @@ module "escalation" {
 
 ## Inputs
 
-**Note:** `escalation` is a map for two reasons: 
+**Note:** `escalation` is a map for two reasons:
 - to be able to put whole configuration in yaml file
 - variables defined with type set are not robust enough (can't set default values)
 

modules/escalation/main.tf

@@ -10,13 +10,9 @@ resource "opsgenie_escalation" "this" {
     notify_type = try(var.escalation.rule.notify_type, "default")
     delay       = try(var.escalation.rule.delay, 0)
 
-    dynamic "recipient" {
-      for_each = try(var.escalation.rule.recipients, [])
-
-      content {
-        id   = recipient.value.id
-        type = recipient.value.type
-      }
+    recipient {
+      type = recipient.value.type
+      id   = recipient.value.id
     }
   }