console_history: validate length >= 10240 (#156)

Author: josephholsten

data_source_obmcs_core_console_history_data.go

@@ -27,6 +27,21 @@ func ConsoleHistoryDataDatasource() *schema.Resource {
 			"length": {
 				Type:     schema.TypeInt,
 				Optional: true,
+				// ShowConsoleHistoryData returns an error with length < 10240, though this is not documented in the API doc.
+				ValidateFunc: func(i interface{}, k string) (s []string, es []error) {
+					v, ok := i.(int)
+					if !ok {
+						es = append(es, fmt.Errorf("expected type of %s to be int", k))
+						return
+					}
+
+					if v < 10240 {
+						es = append(es, fmt.Errorf("expected %s to be in the range (%d - %d), got %d", k, min, max, v))
+						return
+					}
+
+					return
+				},
 			},
 			"offset": {
 				Type:     schema.TypeInt,