zh-trans: add docs/getting-started-guides/ubuntu/logging.md (#11621)

2018-12-10 05:12:04 -05:00
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+---
+title: 日志
+content_template: templates/task
+---
+
+<!-- ---
+title: Logging
+content_template: templates/task
+--- -->
+
+{{% capture overview %}}
+<!-- This page will explain how logging works within a Juju deployed cluster. -->
+本文将说明日志在 Juju 部署的集群中是如何工作的。
+{{% /capture %}}
+
+{{% capture prerequisites %}}
+<!-- This page assumes you have a working Juju deployed cluster. -->
+本文假设你已经有一个可用的 Juju 部署的集群。
+{{% /capture %}}
+
+{{% capture steps %}}
+<!-- ## Agent Logging -->
+## 代理日志
+
+<!-- The `juju debug-log` will show all of the consolidated logs of all the Juju agents running on each node of the cluster. This can be useful for finding out why a specific node hasn't deployed or is in an error state. These agent logs are located in `/var/lib/juju/agents` on every node. -->
+`juju debug-log` 命令可以显示集群中每一个节点上运行的 Juju 代理所汇总的日志结果。
+它可以帮助确定为何某个节点没有被部署或者是处于错误的状态。这些代理日志被存放在每个节点的 `/var/lib/juju/agents` 路径下。
+
+<!-- See the [Juju documentation](https://jujucharms.com/docs/stable/troubleshooting-logs) for more information. -->
+更多信息参见[Juju 文档](https://jujucharms.com/docs/stable/troubleshooting-logs)
+
+
+<!-- ## Managing log verbosity -->
+## 管理日志级别
+
+<!-- Log verbosity in Juju is set at the model level. You can adjust it at any time: -->
+Juju 中默认的日志级别是 model 级别。不过，你可以随时调整它：
+
+```
+juju add-model k8s-development --config logging-config='<root>=DEBUG;unit=DEBUG'
+```
+
+<!-- and later on your k8s-production model -->
+然后在你的生态环境下的 k8s 模型进行配置
+
+```
+juju model-config -m k8s-production logging-config='<root>=ERROR;unit=ERROR'
+```
+
+<!-- In addition, the jujud daemon is started in debug mode by default on all controllers. To remove that behavior edit ```/var/lib/juju/init/jujud-machine-0/exec-start.sh``` on the controller node and comment the ```--debug``` section. -->
+另外，所有控制器上的 jujud 守护进程默认使用 debug 级别。如果想要移除这种行为，编辑控制器节点上的 ```/var/lib/juju/init/jujud-machine-0/exec-start.sh``` 文件并注释掉 ```--debug``` 选项。
+
+<!-- It then contains: -->
+修改之后，如下所示：
+
+```
+#!/usr/bin/env bash
+
+# Set up logging.
+touch '/var/log/juju/machine-0.log'
+chown syslog:syslog '/var/log/juju/machine-0.log'
+chmod 0600 '/var/log/juju/machine-0.log'
+exec >> '/var/log/juju/machine-0.log'
+exec 2>&1
+
+# Run the script.
+'/var/lib/juju/tools/machine-0/jujud' machine --data-dir '/var/lib/juju' --machine-id 0 # --debug
+```
+
+<!-- Then restart the service with: -->
+然后运行下面的命令，重启服务：
+
+```
+sudo systemctl restart jujud-machine-0.service
+```
+
+<!-- See the [official documentation](https://jujucharms.com/docs/stable/models-config) for more information about logging and other model settings in Juju. -->
+Juju 中更多和日志与其它模型设置相关的信息请参考[官方文档](https://jujucharms.com/docs/stable/models-config)。
+{{% /capture %}}