parse service check body

jobspec/parse_service.go

@@ -994,6 +994,7 @@ func parseChecks(service *api.Service, checkObjs *ast.ObjectList) error {
 			"success_before_passing",
 			"failures_before_critical",
 			"on_update",
+			"body",
 		}
 		if err := checkHCLKeys(co.Val, valid); err != nil {
 			return multierror.Prefix(err, "check ->")

jobspec/parse_test.go

@@ -1198,6 +1198,7 @@ func TestParse(t *testing.T) {
 										InitialStatus: "passing",
 										TaskName:      "foo",
 										OnUpdate:      "ignore",
+										Body:          "post body",
 									},
 								},
 							},

jobspec/test-fixtures/tg-service-check.hcl

@@ -25,6 +25,7 @@ job "group_service_check_script" {
         initial_status = "passing"
         task           = "foo"
         on_update      = "ignore"
+        body           = "post body"
       }
     }