xuanyu66 opened a new issue #6222:
URL: https://github.com/apache/skywalking/issues/6222
Please answer these questions before submitting your issue.
- Why do you submit this issue?
- [X ] Question or discussion
- [ ] Bug
- [ ] Requirement
- [ ] Feature or performance improvement
___
### Question
- What do you want to know?
I want to add dns resolver for the domain of skywalking trace receiver
service
- WHY ?
- It's hard to maintain agent config
`collector.backend_service=${SW_AGENT_COLLECTOR_BACKEND_SERVICES:127.0.0.1:11800}
`
- If extending OAP service, we must restart all service.
- HOW ?
- In this situation, I want to set domain to this variable.The domain has
a number of A records
- modify the method boot() of GRPCChannelManager, check whether it is
domain, if so ,then resolve it ,and add all ip addresses to serverList
```
public void boot() {
if (Config.Collector.BACKEND_SERVICE.trim().length() == 0) {
LOGGER.error("Collector server addresses are not set.");
LOGGER.error("Agent will not uplink any data.");
return;
}
grpcServers =
Arrays.asList(Config.Collector.BACKEND_SERVICE.split(","));
// resolve all domain to ip and add to server List
connectCheckFuture = Executors.newSingleThreadScheduledExecutor(
new DefaultNamedThreadFactory("GRPCChannelManager")
).scheduleAtFixedRate(
new RunnableWithExceptionProtection(
this,
t -> LOGGER.error("unexpected exception.", t)
), 0, Config.Collector.GRPC_CHANNEL_CHECK_INTERVAL,
TimeUnit.SECONDS
);
}
```
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