[GitHub] [apisix] liangliang4ward edited a comment on issue #6656: feat: clickhouse-logger-plugin may not support default log format

[GitBox <gi...@apache.org>]

liangliang4ward edited a comment on issue #6656:
URL: https://github.com/apache/apisix/issues/6656#issuecomment-1073785641


   hi, what about this? @spacewander 
   this code just for test.
   
   ```lua
   local function get_custom_format_log2(ctx,format,conf,ngx)
       local log_format = lru_log_format(format or "", nil, gen_log_format, format)
       local entry = core.table.new(0, core.table.nkeys(log_format))
       local full_log = get_full_log(ngx,conf)
       for k, var_attr in pairs(log_format) do
           if var_attr[1] then
               entry[k] = ctx.var[var_attr[2]]
           elseif var_attr[2]:byte(1,1) == str_byte("#") then
               local res = ngx_re.split(var_attr[2],"#");
               local tempVal = full_log;
               for i = 2,#res do
                   if tempVal then
                       tempVal = tempVal[res[i]]
                   else
                       tempVal = nil
                   end
               end
               if type(tempVal) == "table" then
                   entry[k] = core.json.encode(tempVal);
               else
                   entry[k] = tempVal;
               end
           else
               entry[k] = var_attr[2]
           end
       end
   
       local matched_route = ctx.matched_route and ctx.matched_route.value
       if matched_route then
           entry.service_id = matched_route.service_id
           entry.route_id = matched_route.id
       end
       return entry
   
   end
   ```
   
   ```conf
   "log_format": {
           "host": "$host",
           "@timestamp": "$time_iso8601",
           "client_ip": "$remote_addr",
           "request_id":"#request#headers#x-request-id",
           "request_info":"#request"
   
       }
   ```


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