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// Copyright Verizon Media. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
#include "env.h"
#include <vespa/log/log.h>
#include <vespa/config/common/exceptions.h>
#include <vespa/vespalib/util/exceptions.h>
#include <thread>
#include <chrono>
LOG_SETUP(".env");
using namespace std::chrono_literals;
namespace config::sentinel {
constexpr std::chrono::milliseconds CONFIG_TIMEOUT_MS = 3min;
constexpr std::chrono::milliseconds MODEL_TIMEOUT_MS = 1500ms;
Env::Env()
: _cfgOwner(),
_rpcCommandQueue(),
_rpcServer(),
_stateApi(),
_startMetrics(),
_stateServer(),
_statePort(0)
{
_startMetrics.startedTime = vespalib::steady_clock::now();
}
Env::~Env() = default;
void Env::boot(const std::string &configId) {
LOG(debug, "Reading configuration for ID: %s", configId.c_str());
_cfgOwner.subscribe(configId, CONFIG_TIMEOUT_MS);
bool ok = _cfgOwner.checkForConfigUpdate();
// subscribe() should throw if something is not OK
LOG_ASSERT(ok && _cfgOwner.hasConfig());
const auto & cfg = _cfgOwner.getConfig();
LOG(config, "Booting sentinel '%s' with [stateserver port %d] and [rpc port %d]",
configId.c_str(), cfg.port.telnet, cfg.port.rpc);
rpcPort(cfg.port.rpc);
statePort(cfg.port.telnet);
if (auto up = ConfigOwner::fetchModelConfig(MODEL_TIMEOUT_MS)) {
const ModelConfig &model = *up;
for (const auto & h : model.hosts) {
LOG(info, "- Model for host %s with %zd services", h.name.c_str(), h.services.size());
for (const auto & s : h.services) {
if (s.name == "config-sentinel") {
LOG(info, " - Model for service %s type %s configid %s with %zd ports",
s.name.c_str(), s.type.c_str(), s.configid.c_str(), s.ports.size());
for (const auto & p : s.ports) {
if (p.tags.find("rpc") != p.tags.npos) {
LOG(info, " - Model for port %d has tags %s", p.number, p.tags.c_str());
}
}
}
}
}
}
}
void Env::rpcPort(int port) {
if (port < 0 || port > 65535) {
throw vespalib::FatalException("Bad port " + std::to_string(port) + ", expected range [1, 65535]", VESPA_STRLOC);
}
if (port == 0) {
port = 19097; // default in config
}
if (_rpcServer && port == _rpcServer->getPort()) {
return; // ok already
}
_rpcServer = std::make_unique<RpcServer>(port, _rpcCommandQueue);
}
void Env::statePort(int port) {
if (port < 0 || port > 65535) {
throw vespalib::FatalException("Bad port " + std::to_string(port) + ", expected range [1, 65535]", VESPA_STRLOC);
}
if (port == 0) {
port = 19098;
}
if (_stateServer && port == _statePort) {
return; // ok already
}
LOG(debug, "Config-sentinel accepts connections on port %d", port);
_stateServer = std::make_unique<vespalib::StateServer>(
port, _stateApi.myHealth, _startMetrics.producer, _stateApi.myComponents);
_statePort = port;
}
void Env::notifyConfigUpdated() {
vespalib::ComponentConfigProducer::Config current("sentinel", _cfgOwner.getGeneration(), "ok");
_stateApi.myComponents.addConfig(current);
}
}
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