From dd28b2b6d81bdba77f78d9b4ebd230901b3c96d3 Mon Sep 17 00:00:00 2001
From: Vsevolod Stakhov <vsevolod@highsecure.ru>
Date: Sun, 5 Nov 2017 12:39:58 +0000
Subject: [Minor] Deal with ungrouped symbols

---
 lualib/rspamd_config_transform.lua | 28 ++++++++++++++++++++++++++++
 1 file changed, 28 insertions(+)

diff --git a/lualib/rspamd_config_transform.lua b/lualib/rspamd_config_transform.lua
index 8b7027d37..750862a8c 100644
--- a/lualib/rspamd_config_transform.lua
+++ b/lualib/rspamd_config_transform.lua
@@ -118,6 +118,28 @@ local function group_transform(cfg, k, v)
   logger.warnx("overriding group %s from the legacy metric settings", k)
 end
 
+local function symbol_transform(cfg, k, v)
+  -- first try to find any group where there is a definition of this symbol
+  for gr_n, gr in pairs(cfg.group) do
+    if gr.symbols and gr.symbols[k] then
+      -- We override group symbol with ungrouped symbol
+      logger.warnx("overriding group symbol %s in the group %s", k, gr_n)
+      gr.symbols[k] = override_defaults(gr.symbols[k], v)
+      return
+    end
+  end
+
+  -- Otherwise we just use group 'ungrouped'
+  if not cfg.group.ungrouped then
+    cfg.group.ungrouped = {
+      symbols = {}
+    }
+  end
+
+  cfg.group.ungrouped.symbols[k] = v
+  logger.warnx("adding symbol %s to the group 'ungrouped'", k)
+end
+
 local function convert_metric(cfg, metric)
   if type(metric[1]) == 'table' then
     logger.warnx("multiple metrics have never been supported")
@@ -142,6 +164,12 @@ local function convert_metric(cfg, metric)
     end
   end
 
+  if metric.symbol then
+    for k, v in metric_pairs(metric.symbol) do
+      symbol_transform(cfg, k, v)
+    end
+  end
+
   return true, cfg
 end
 
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