wu-sheng commented on a change in pull request #3170: Support upgrade backend
w/o rebooting agents
URL: https://github.com/apache/skywalking/pull/3170#discussion_r308041887
##########
File path:
oap-server/server-receiver-plugin/skywalking-register-receiver-plugin/src/main/java/org/apache/skywalking/oap/server/receiver/register/provider/handler/v6/grpc/ServiceInstancePingServiceHandler.java
##########
@@ -57,11 +61,21 @@ public ServiceInstancePingServiceHandler(ModuleManager
moduleManager) {
ServiceInstanceInventory serviceInstanceInventory =
serviceInstanceInventoryCache.get(serviceInstanceId);
if (Objects.nonNull(serviceInstanceInventory)) {
serviceInventoryRegister.heartbeat(serviceInstanceInventory.getServiceId(),
heartBeatTime);
+ responseObserver.onNext(Commands.getDefaultInstance());
} else {
- logger.warn("Can't found service by service instance id from
cache, service instance id is: {}", serviceInstanceId);
+ logger.warn("Can't found service by service instance id from
cache," +
+ " service instance id is: {}, will send a reset command to
agent side", serviceInstanceId);
+ final String serialNumber = generateSerialNumber(request);
+ final Command resetCommand = new
ServiceResetCommand(serialNumber).serialize().build();
+ final Commands nextCommands =
Commands.newBuilder().addCommands(resetCommand).build();
Review comment:
Command should be generated in the server-core module, please add a new
service there in `org.apache.skywalking.oap.server.core.command`.
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