fix: error for multi-runner setup when using extra_labels

Author: raford-ice

modules/multi-runner/main.tf

@@ -11,7 +11,23 @@ locals {
 
   runner_extra_labels = { for k, v in var.multi_runner_config : k => sort(setunion(flatten(v.matcherConfig.labelMatchers), compact(v.runner_config.runner_extra_labels))) }
 
-  runner_config = { for k, v in var.multi_runner_config : k => merge({ id = aws_sqs_queue.queued_builds[k].id, arn = aws_sqs_queue.queued_builds[k].arn, url = aws_sqs_queue.queued_builds[k].url }, merge(v, { runner_config = merge(v.runner_config, { runner_extra_labels = local.runner_extra_labels[k] }) })) }
+  runner_config = { for k, v in var.multi_runner_config : k => merge(
+    {
+      id  = aws_sqs_queue.queued_builds[k].id,
+      arn = aws_sqs_queue.queued_builds[k].arn,
+      url = aws_sqs_queue.queued_builds[k].url
+    },
+    merge(v, {
+      runner_config = merge(
+        v.runner_config,
+        { runner_extra_labels = local.runner_extra_labels[k]
+      }),
+      matcherConfig = merge(
+        v.matcherConfig,
+        { labelMatchers = [local.runner_extra_labels[k]] }
+      )
+    })
+  ) }
 
   tmp_distinct_list_unique_os_and_arch = distinct([for i, config in local.runner_config : { "os_type" : config.runner_config.runner_os, "architecture" : config.runner_config.runner_architecture } if config.runner_config.enable_runner_binaries_syncer])
   unique_os_and_arch                   = { for i, v in local.tmp_distinct_list_unique_os_and_arch : "${v.os_type}_${v.architecture}" => v }