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splunk日志驱动程序发送集装箱日志HTTP事件收集器中的Splunk Enterprise和Splunk的云。
用法
要将splunk驱动程序用作默认日志记录驱动程序，请将该键log-driver和log-opt键设置daemon.json为位于/etc/docker/Linux主机或C:\ProgramData\docker\config\daemon.jsonWindows Server 上的文件中的适当值。有关+使用Docker配置的更多信息daemon.json，请参阅+ daemon.json。
以下示例将日志驱动程序设置为splunk。
{ "log-driver": "splunk"}重新启动Docker以使更改生效。
您可以使用以下--log-driver选项来设置特定容器的日志记录驱动程序docker run：
docker run --log-driver=splunk ...
Splunk选项
您可以使用该--log-opt NAME=VALUE标志来指定这些额外的Splunk日志记录驱动程序选项：
选项 | 需要 | 描述 |
|---|---|---|
splunk-token | 需要 | Splunk HTTP事件收集器令牌。 |
splunk-url | 需要 | 以下列格式之一指向您的Splunk Enterprise，自助服务Splunk Cloud实例或Splunk云托管群集（包括HTTP Event Collector使用的端口和方案）的路径：https：// your_splunk_instance：8088或https：// input- prd-p-XXXXXXX.cloud.splunk.com:8088或https://http-inputs-XXXXXXXX.splunkcloud.com。 |
splunk-source | 可选的 | 事件源。 |
splunk-sourcetype | 可选的 | 事件源类型。 |
splunk-index | 可选的 | 事件索引。 |
splunk-capath | 可选的 | 根证书的路径。 |
Splunk-caname | 可选的 | 用于验证服务器证书的名称; 默认情况下将使用splunk-url的主机名。 |
splunk-insecureskipverify | 可选的 | 忽略服务器证书验证。 |
splunk-format | 可选的 | 消息格式。可以是内联，json或raw。默认为内联。 |
splunk-verify-connection | 可选的 | 在开始时验证，该docker可以连接到Splunk服务器。默认为true。 |
Splunk-gzip | 可选的 | 启用/禁用gzip压缩以将事件发送到Splunk Enterprise或Splunk Cloud实例。默认为false。 |
splunk-gzip-level | 可选的 | 设置gzip的压缩级别。有效值为-1（默认），0（不压缩），1（最佳速度）... 9（最佳压缩）。默认为DefaultCompression。 |
tag | 可选的 | 为消息指定标签，解释某些标记。默认值是{{.ID}}（容器ID的12个字符）。请参阅日志标记选项文档以定制日志标记格式。 |
labels | 可选的 | 如果这些标签是为容器指定的，则应在消息中包含标签的键的逗号分隔列表。 |
env | 可选的 | 如果为容器指定了这些变量，则应该在消息中包含环境变量的键的逗号分隔列表。 |
env-regex | 可选的 | 与env类似且兼容。一个正则表达式来匹配与日志相关的环境变量。用于高级日志标记选项。 |
如果label和env键之间存在冲突，env则优先。这两个选项都将附加字段添加到日志消息的属性中。
以下是为Splunk Enterprise实例指定的日志记录选项的示例。该实例本地安装在运行Docker守护程序的同一台机器上。根证书和通用名称的路径是使用HTTPS方案指定的。这用于验证。SplunkServerDefaultCert是由Splunk证书自动生成的。
$ docker run --log-driver=splunk \ --log-opt splunk-token=176FCEBF-4CF5-4EDF-91BC-703796522D20 \ --log-opt splunk-url=https://splunkhost:8088 \ --log-opt splunk-capath=/path/to/cert/cacert.pem \ --log-opt splunk-caname=SplunkServerDefaultCert \ --log-opt tag="{{.Name}}/{{.FullID}}" \ --log-opt labels=location \ --log-opt env=TEST \ --env "TEST=false" \ --label location=west \
your/applicationsplunk-url托管于云的Splunk Splunk的情况下，是在像格式https://http-inputs-XXXXXXXX.splunkcloud.com，并且不包括端口说明。
消息格式
默认情况下，日志驱动程序将消息发送给inline格式，例如，每条消息将作为字符串嵌入其中。
{ "attrs": { "env1": "val1", "label1": "label1" }, "tag": "MyImage/MyContainer", "source": "stdout", "line": "my message"}{ "attrs": { "env1": "val1", "label1": "label1" }, "tag": "MyImage/MyContainer", "source": "stdout", "line": "{\"foo\": \"bar\"}"}如果您的消息是JSON对象，您可能希望将它们嵌入到我们发送给Splunk的消息中。通过指定--log-opt splunk-format=json驱动程序将尝试将每一行解析为JSON对象，并将其作为嵌入式对象发送。如果它不能解析它-消息将作为inline.例如
{ "attrs": { "env1": "val1", "label1": "label1" }, "tag": "MyImage/MyContainer", "source": "stdout", "line": "my message"}{ "attrs": { "env1": "val1", "label1": "label1" }, "tag": "MyImage/MyContainer", "source": "stdout", "line": { "foo": "bar" }}第三种格式是raw消息。您可以使用指定它--log-opt splunk-format=raw。属性（环境变量和标签）和标签将作为消息的前缀。例如
MyImage/MyContainer env1=val1 label1=label1 my message
MyImage/MyContainer env1=val1 label1=label1 {"foo": "bar"}高级选项
Splunk日志记录驱动程序允许您通过为Docker守护进程指定下一个环境变量来配置少数高级选项。
环境变量名称 | 默认值 | 描述 |
|---|---|---|
SPLUNK_LOGGING_DRIVER_POST_MESSAGES_FREQUENCY | 5S | 如果没有什么可以批量驱动程序发布消息的频率。您可以将此视为等待更多消息进行批处理的最长时间。 |
SPLUNK_LOGGING_DRIVER_POST_MESSAGES_BATCH_SIZE | 1000 | 在一批发送驱动程序之前，驱动程序应等待多少个消息。 |
SPLUNK_LOGGING_DRIVER_BUFFER_MAX | 10 * 1000 | 如果驱动程序无法连接到远程服务器，它可以保存在缓冲区中以便重试的最大消息数量是多少。 |
SPLUNK_LOGGING_DRIVER_CHANNEL_SIZE | 4 * 1000 | 通道中有多少待处理消息可用于将消息发送给后台记录器工作人员，后者将对这些消息进行批处理。 |