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// Copyright Vespa.ai. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
#include "config-owner.h"
#include <vespa/config/subscription/configsubscriber.hpp>
#include <cinttypes>
#include <vespa/log/log.h>
LOG_SETUP(".sentinel.config-owner");
namespace config::sentinel {
ConfigOwner::ConfigOwner() = default;
ConfigOwner::~ConfigOwner() = default;
void
ConfigOwner::subscribe(const std::string & configId, std::chrono::milliseconds timeout) {
_sentinelHandle = _subscriber.subscribe<SentinelConfig>(configId, timeout);
}
void
ConfigOwner::doConfigure()
{
_currConfig = _sentinelHandle->getConfig();
LOG_ASSERT(_currConfig);
_currGeneration = _subscriber.getGeneration();
const SentinelConfig& config(*_currConfig);
const auto & app = config.application;
LOG(config, "Sentinel got %zd service elements [tenant(%s), application(%s), instance(%s)] for config generation %" PRId64,
config.service.size(), app.tenant.c_str(), app.name.c_str(), app.instance.c_str(), _currGeneration);
}
// Return true if there was a config generation change
bool
ConfigOwner::checkForConfigUpdate() {
if (_subscriber.nextGenerationNow()) {
doConfigure();
return true;
}
return false;
}
}
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