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SkyWalking NodeJS Agent
SkyWalking-NodeJS: The NodeJS Agent for Apache SkyWalking, which provides the native tracing abilities for NodeJS project.
SkyWalking: an APM(application performance monitor) system, especially designed for microservices, cloud native and container-based (Docker, Kubernetes, Mesos) architectures.
Set up NodeJS Agent
SkyWalking NodeJS SDK requires SkyWalking backend (OAP) 8.0+ and NodeJS >= 10.
import agent from 'skywalking';
agent.start({
serviceName: '',
serviceInstance: '',
collectorAddress: '',
authorization: '',
maxBufferSize: 1000,
});The supported environment variables are as follows:
| Environment Variable | Description | Default |
|---|---|---|
SW_AGENT_NAME |
The name of the service | your-nodejs-service |
SW_AGENT_INSTANCE |
The name of the service instance | Randomly generated |
SW_AGENT_COLLECTOR_BACKEND_SERVICES |
The backend OAP server address | 127.0.0.1:11800 |
SW_AGENT_AUTHENTICATION |
The authentication token to verify that the agent is trusted by the backend OAP, as for how to configure the backend, refer to the yaml. | not set |
SW_AGENT_LOGGING_LEVEL |
The logging level, could be one of CRITICAL, FATAL, ERROR, WARN(WARNING), INFO, DEBUG |
INFO |
SW_IGNORE_SUFFIX |
The suffices of endpoints that will be ignored (not traced), comma separated | .jpg,.jpeg,.js,.css,.png,.bmp,.gif,.ico,.mp3,.mp4,.html,.svg |
SW_TRACE_IGNORE_PATH |
The paths of endpoints that will be ignored (not traced), comma separated | `` |
SW_AGENT_MAX_BUFFER_SIZE |
The maximum buffer size before sending the segment data to backend | '1000' |
Supported Libraries
There are some built-in plugins that support automatic instrumentation of NodeJS libraries, the complete lists are as follows:
| Library | Plugin Name |
|---|---|
built-in http and https module |
http |
express |
express |
axios |
axios |
Contact Us
- Submit an issue by using [Nodejs] as title prefix.
- Mail list: dev@skywalking.apache.org. Mail to
dev-subscribe@skywalking.apache.org, follow the reply to subscribe the mail list. - Join
skywalkingchannel at Apache Slack. If the link is not working, find the latest one at Apache INFRA WIKI. - Twitter, ASFSkyWalking
License
Apache 2.0
