[GitHub] [apisix] nic-chen commented on a change in pull request #2097: feature: implemented plugin `log-rotate`, rotate log by interval time.

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

nic-chen commented on a change in pull request #2097:
URL: https://github.com/apache/apisix/pull/2097#discussion_r475033975



##########
File path: apisix/plugins/log-rotate.lua
##########
@@ -0,0 +1,183 @@
+--
+-- Licensed to the Apache Software Foundation (ASF) under one or more
+-- contributor license agreements.  See the NOTICE file distributed with
+-- this work for additional information regarding copyright ownership.
+-- The ASF licenses this file to You under the Apache License, Version 2.0
+-- (the "License"); you may not use this file except in compliance with
+-- the License.  You may obtain a copy of the License at
+--
+--     http://www.apache.org/licenses/LICENSE-2.0
+--
+-- Unless required by applicable law or agreed to in writing, software
+-- distributed under the License is distributed on an "AS IS" BASIS,
+-- WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+-- See the License for the specific language governing permissions and
+-- limitations under the License.
+--
+
+local core = require("apisix.core")
+local process = require("ngx.process")
+local signal = require("resty.signal")
+local ngx = ngx
+local prefix = ngx.config.prefix()
+local lfs = require("lfs")
+local io = io
+local os = os
+local table = table
+local select = select
+local type = type
+
+
+local timer
+local plugin_name = "log-rotate"
+local INTERVAL = 60 * 60    -- one hour
+local MAX_KEPT = 24 * 7     -- 7 days
+local schema = {
+    type = "object",
+    properties = {},
+    additionalProperties = false,
+}
+
+
+local _M = {
+    version = 0.1,
+    priority = 100,
+    name = plugin_name,
+    schema = schema,
+}
+
+
+local function file_exists(path)
+    local file = io.open(path, "r")
+    if file then
+        file:close()
+    end
+    return file ~= nil
+end
+
+
+local function rotate_file(date_str, file_type)
+    local file_path = prefix .. "logs/" .. date_str .. "_" .. file_type

Review comment:
       > Note that user can customize their log paths.
   
   good catch. we need to check log path config in `config.yaml` first.




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