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122 lines
3.8 KiB
Markdown
122 lines
3.8 KiB
Markdown
---
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title: server-info
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---
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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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## Summary
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- [**Name**](#name)
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- [**Attributes**](#attributes)
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- [**API**](#api)
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- [**How To Enable**](#how-to-enable)
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- [**Test Plugin**](#test-plugin)
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- [**Disable Plugin**](#disable-plugin)
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## Name
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`server-info` is a plugin that reports basic server information to etcd periodically.
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The meaning of each item in server information is following:
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| Name | Type | Description |
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|---------|------|-------------|
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| up_time | integer | Elapsed time (in seconds) since APISIX instance was launched, value will be reset when you hot updating APISIX but is kept for intact if you just reloading APISIX. |
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| boot_time | integer | Bootstrap time (UNIX timestamp) of the APISIX instance, value will be reset when you hot updating APISIX but is kept for intact if you just reloading APISIX. |
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| last_report_time | integer | Last reporting time (UNIX timestamp). |
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| id | string | APISIX instance id. |
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| etcd_version | string | The etcd cluster version that APISIX is using, value will be `"unknown"` if the network (to etcd) is partitioned. |
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| version | string | APISIX version. |
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| hostname | string | Hostname of the machine/pod that APISIX is deployed. |
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## Attributes
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None
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## API
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This plugin exposes one API `/v1/server_info` to [Control API](../control-api.md).
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## How to Enable
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Just configure `server-info` in the plugin list of the configuration file `conf/config.yaml`.
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```
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plugins: # plugin list
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- example-plugin
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- limit-req
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- node-status
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- server-info
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- jwt-auth
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- zipkin
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......
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```
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## How to customize the server info report configurations
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We can change the report configurations in the `plugin_attr` section of `conf/config.yaml`.
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| Name | Type | Default | Description |
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| ------------ | ------ | -------- | -------------------------------------------------------------------- |
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| report_interval | integer | 60 | the interval to report server info to etcd (unit: second, maximum: 3600, minimum: 60). |
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| report_ttl | integer | 7200 | the live time for server info in etcd (unit: second, maximum: 86400, minimum: 3600). |
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Here is an example, which modifies the `report_interval` to 10 minutes and sets the `report_ttl` to one hour.
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```yaml
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plugin_attr:
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server-info:
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report_interval: 600,
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report_ttl: 3600
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```
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## Test Plugin
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After enabling this plugin, you can access these data through the plugin Control API:
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```shell
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$ curl http://127.0.0.1:9090/v1/server_info -s | jq .
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{
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"etcd_version": "3.5.0",
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"up_time": 9460,
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"last_report_time": 1608531519,
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"id": "b7ce1c5c-b1aa-4df7-888a-cbe403f3e948",
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"hostname": "fedora32",
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"version": "2.1",
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"boot_time": 1608522102
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}
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```
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The APISIX Dashboard will collects server info in etcd, so you may also try to check them through Dashboard.
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## Disable Plugin
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Remove `server-info` in the plugin list of configure file `conf/config.yaml`.
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```
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plugins: # plugin list
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- example-plugin
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- limit-req
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- node-status
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- jwt-auth
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- zipkin
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......
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```
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