2021-02-26 21:40:08 +08:00
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---
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title: log-rotate
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---
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2020-08-26 16:40:36 +08:00
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<!--
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#
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# Licensed to the Apache Software Foundation (ASF) under one or more
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# contributor license agreements. See the NOTICE file distributed with
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# this work for additional information regarding copyright ownership.
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# The ASF licenses this file to You under the Apache License, Version 2.0
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# (the "License"); you may not use this file except in compliance with
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# the License. You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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#
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-->
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本插件可自动完成 logs 目录下的 access 和 error 日志的定期切分。
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通过配置参数可以设置每间隔多久切分一次日志，以及最近保留多少份日志（超过指定数量后，自动删除老文件）。
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## 参数
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2020-09-23 08:11:27 +08:00
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| 名称 | 类型 | 必选项 | 默认值 | 有效值 | 描述 |
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| -------- | ------- | ------ | ------- | ------ | ------------------------------------------------------ |
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| interval | integer | 必须 | 60 * 60 | | 每间隔多长时间切分一次日志，秒为单位 |
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| max_kept | integer | 必须 | 24 * 7 | | 最多保留多少份历史日志，超过指定数量后，自动删除老文件 |
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2020-08-26 16:40:36 +08:00
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开启该插件后，就会按照参数自动切分日志文件了。比如下面的例子是根据 `interval: 10` 和 `max_kept: 10` 得到的样本。
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```shell
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$ ll logs
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total 44K
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-rw-r--r--. 1 resty resty 0 Mar 20 20:32 2020-03-20_20-32-40_access.log
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-rw-r--r--. 1 resty resty 2.4K Mar 20 20:32 2020-03-20_20-32-40_error.log
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-rw-r--r--. 1 resty resty 0 Mar 20 20:32 2020-03-20_20-32-50_access.log
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-rw-r--r--. 1 resty resty 2.8K Mar 20 20:32 2020-03-20_20-32-50_error.log
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-rw-r--r--. 1 resty resty 0 Mar 20 20:32 2020-03-20_20-33-00_access.log
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-rw-r--r--. 1 resty resty 2.4K Mar 20 20:33 2020-03-20_20-33-00_error.log
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-rw-r--r--. 1 resty resty 0 Mar 20 20:33 2020-03-20_20-33-10_access.log
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-rw-r--r--. 1 resty resty 2.4K Mar 20 20:33 2020-03-20_20-33-10_error.log
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-rw-r--r--. 1 resty resty 0 Mar 20 20:33 2020-03-20_20-33-20_access.log
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-rw-r--r--. 1 resty resty 2.4K Mar 20 20:33 2020-03-20_20-33-20_error.log
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-rw-r--r--. 1 resty resty 0 Mar 20 20:33 2020-03-20_20-33-30_access.log
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-rw-r--r--. 1 resty resty 2.4K Mar 20 20:33 2020-03-20_20-33-30_error.log
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-rw-r--r--. 1 resty resty 0 Mar 20 20:33 2020-03-20_20-33-40_access.log
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-rw-r--r--. 1 resty resty 2.8K Mar 20 20:33 2020-03-20_20-33-40_error.log
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-rw-r--r--. 1 resty resty 0 Mar 20 20:33 2020-03-20_20-33-50_access.log
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-rw-r--r--. 1 resty resty 2.4K Mar 20 20:33 2020-03-20_20-33-50_error.log
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-rw-r--r--. 1 resty resty 0 Mar 20 20:33 2020-03-20_20-34-00_access.log
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-rw-r--r--. 1 resty resty 2.4K Mar 20 20:34 2020-03-20_20-34-00_error.log
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-rw-r--r--. 1 resty resty 0 Mar 20 20:34 2020-03-20_20-34-10_access.log
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-rw-r--r--. 1 resty resty 2.4K Mar 20 20:34 2020-03-20_20-34-10_error.log
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-rw-r--r--. 1 resty resty 0 Mar 20 20:34 access.log
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-rw-r--r--. 1 resty resty 1.5K Mar 20 21:31 error.log
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```
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### 示例
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#### 开启插件
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在 `conf/config.yaml` 中启用插件 `log-rotate` 即可，不需要在任何 route 或 service 中绑定。
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```yaml
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plugins:
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# the plugins you enabled
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- log-rotate
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plugin_attr:
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log-rotate:
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interval: 3600 # rotate interval (unit: second)
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max_kept: 168 # max number of log files will be kept
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```
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#### 禁用插件
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在 `conf/config.yaml` 中删除插件 `log-rotate` 即可。
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