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/**
* Copyright (C) 2021-present MongoDB, Inc.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the Server Side Public License, version 1,
* as published by MongoDB, Inc.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* Server Side Public License for more details.
*
* You should have received a copy of the Server Side Public License
* along with this program. If not, see
* <http://www.mongodb.com/licensing/server-side-public-license>.
*
* As a special exception, the copyright holders give permission to link the
* code of portions of this program with the OpenSSL library under certain
* conditions as described in each individual source file and distribute
* linked combinations including the program with the OpenSSL library. You
* must comply with the Server Side Public License in all respects for
* all of the code used other than as permitted herein. If you modify file(s)
* with this exception, you may extend this exception to your version of the
* file(s), but you are not obligated to do so. If you do not wish to do so,
* delete this exception statement from your version. If you delete this
* exception statement from all source files in the program, then also delete
* it in the license file.
*/
#include "mongo/db/process_health/fault.h"
namespace mongo {
namespace process_health {
Fault::Fault(ClockSource* clockSource)
: _clockSource(clockSource), _startTime(_clockSource->now()) {
invariant(clockSource); // Will crash before this line, just for readability.
}
UUID Fault::getId() const {
return _id;
}
Milliseconds Fault::getDuration() const {
return Milliseconds(_clockSource->now() - _startTime);
}
std::vector<FaultFacetPtr> Fault::getFacets() const {
auto lk = stdx::lock_guard(_mutex);
std::vector<FaultFacetPtr> result(_facets.begin(), _facets.end());
return result;
}
FaultFacetPtr Fault::getFaultFacet(FaultFacetType type) {
auto lk = stdx::lock_guard(_mutex);
auto it = std::find_if(_facets.begin(), _facets.end(), [type](const FaultFacetPtr& facet) {
return facet->getType() == type;
});
if (it == _facets.end()) {
return {};
}
return *it;
}
void Fault::removeFacet(FaultFacetType type) {
auto lk = stdx::lock_guard(_mutex);
_facets.erase(
std::remove_if(_facets.begin(),
_facets.end(),
[this, type](const FaultFacetPtr& f) { return f->getType() == type; }),
_facets.end());
}
void Fault::upsertFacet(FaultFacetPtr facet) {
invariant(facet);
auto type = facet->getType();
auto lk = stdx::lock_guard(_mutex);
for (auto& existing : _facets) {
invariant(existing);
if (existing->getType() == type) {
existing->update(facet->getStatus());
return;
}
}
// We are here if existing was not found - insert new.
_facets.push_back(std::move(facet));
}
void Fault::garbageCollectResolvedFacets() {
auto lk = stdx::lock_guard(_mutex);
_facets.erase(std::remove_if(_facets.begin(),
_facets.end(),
[this](const FaultFacetPtr& facet) {
auto status = facet->getStatus();
// Remove if severity is zero
return HealthCheckStatus::isResolved(status.getSeverity());
}),
_facets.end());
}
void Fault::appendDescription(BSONObjBuilder* builder) const {
builder->append("id", getId().toBSON());
builder->append("duration", getDuration().toBSON());
BSONObjBuilder facetsBuilder;
for (auto& facet : _facets) {
facetsBuilder.append(FaultFacetType_serializer(facet->getType()), facet->toBSON());
}
builder->append("facets", facetsBuilder.obj());
builder->append("numFacets", static_cast<int>(_facets.size()));
}
bool Fault::hasCriticalFacet(const FaultManagerConfig& config) const {
const auto& facets = this->getFacets();
for (const auto& facet : facets) {
auto facetType = facet->getType();
if (config.getHealthObserverIntensity(facetType) ==
HealthObserverIntensityEnum::kCritical) {
return true;
}
}
return false;
}
} // namespace process_health
} // namespace mongo
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