feat(runloop): added the workspace id into the plugin config in the p…

…lugins iterator (Kong#13602)

the workspace id is needed in some cases, for example in the configure handler.

https://konghq.atlassian.net/browse/FTI-6200

changelog/unreleased/kong/feat-plugin-conf-ws-id.yml

@@ -0,0 +1,3 @@
+message: Added the workspace id into the plugin config in the plugins iterator.
+type: feature
+scope: Core

kong/runloop/plugins_iterator.lua

@@ -161,6 +161,7 @@ local function get_plugin_config(plugin, name, ws_id)
   cfg.consumer_id = plugin.consumer and plugin.consumer.id
   cfg.plugin_instance_name = plugin.instance_name
   cfg.__plugin_id = plugin.id
+  cfg.__ws_id = ws_id
 
   local key = kong.db.plugins:cache_key(name,
                                         cfg.route_id,

spec/02-integration/07-sdk/04-plugin-config_spec.lua

@@ -49,5 +49,6 @@ describe("Plugin configuration", function()
     local body = assert.status(200, res)
     local json = cjson.decode(body)
     assert.equal("test", json.plugin_instance_name)
+    assert.equal(kong.default_workspace, json.__ws_id)
   end)
 end)