icinga2/lib/db_ido/hostdbobject.cpp

437 lines
16 KiB
C++

/******************************************************************************
* Icinga 2 *
* Copyright (C) 2012-2018 Icinga Development Team (https://icinga.com/) *
* *
* This program is free software; you can redistribute it and/or *
* modify it under the terms of the GNU General Public License *
* as published by the Free Software Foundation; either version 2 *
* of the License, or (at your option) any later version. *
* *
* 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 *
* GNU General Public License for more details. *
* *
* You should have received a copy of the GNU General Public License *
* along with this program; if not, write to the Free Software Foundation *
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. *
******************************************************************************/
#include "db_ido/hostdbobject.hpp"
#include "db_ido/hostgroupdbobject.hpp"
#include "db_ido/dbtype.hpp"
#include "db_ido/dbvalue.hpp"
#include "db_ido/dbevents.hpp"
#include "icinga/host.hpp"
#include "icinga/service.hpp"
#include "icinga/notification.hpp"
#include "icinga/dependency.hpp"
#include "icinga/checkcommand.hpp"
#include "icinga/eventcommand.hpp"
#include "icinga/compatutility.hpp"
#include "icinga/pluginutility.hpp"
#include "base/convert.hpp"
#include "base/objectlock.hpp"
#include "base/logger.hpp"
#include "base/json.hpp"
using namespace icinga;
REGISTER_DBTYPE(Host, "host", DbObjectTypeHost, "host_object_id", HostDbObject);
HostDbObject::HostDbObject(const DbType::Ptr& type, const String& name1, const String& name2)
: DbObject(type, name1, name2)
{ }
Dictionary::Ptr HostDbObject::GetConfigFields() const
{
Dictionary::Ptr fields = new Dictionary();
Host::Ptr host = static_pointer_cast<Host>(GetObject());
/* Compatibility fallback. */
String displayName = host->GetDisplayName();
unsigned long notificationStateFilter = CompatUtility::GetCheckableNotificationTypeFilter(host);
unsigned long notificationTypeFilter = CompatUtility::GetCheckableNotificationTypeFilter(host);
return new Dictionary({
{ "alias", !displayName.IsEmpty() ? displayName : host->GetName() },
{ "display_name", displayName },
{ "address", host->GetAddress() },
{ "address6", host->GetAddress6() },
{ "check_command_object_id", host->GetCheckCommand() },
{ "eventhandler_command_object_id", host->GetEventCommand() },
{ "check_timeperiod_object_id", host->GetCheckPeriod() },
{ "check_interval", host->GetCheckInterval() / 60.0 },
{ "retry_interval", host->GetRetryInterval() / 60.0 },
{ "max_check_attempts", host->GetMaxCheckAttempts() },
{ "flap_detection_enabled", host->GetEnableFlapping() },
{ "low_flap_threshold", host->GetFlappingThresholdLow() },
{ "high_flap_threshold", host->GetFlappingThresholdLow() },
{ "process_performance_data", host->GetEnablePerfdata() },
{ "freshness_checks_enabled", 1 },
{ "freshness_threshold", Convert::ToLong(host->GetCheckInterval()) },
{ "event_handler_enabled", host->GetEnableEventHandler() },
{ "passive_checks_enabled", host->GetEnablePassiveChecks() },
{ "active_checks_enabled", host->GetEnableActiveChecks() },
{ "notifications_enabled", host->GetEnableNotifications() },
{ "notes", host->GetNotes() },
{ "notes_url", host->GetNotesUrl() },
{ "action_url", host->GetActionUrl() },
{ "icon_image", host->GetIconImage() },
{ "icon_image_alt", host->GetIconImageAlt() },
{ "notification_interval", CompatUtility::GetCheckableNotificationNotificationInterval(host) },
{ "notify_on_down", (notificationStateFilter & (ServiceWarning | ServiceCritical)) ? 1 : 0 },
{ "notify_on_unreachable", 1 }, /* We don't have this filter and state, and as such we don't filter such notifications. */
{ "notify_on_recovery", (notificationTypeFilter & NotificationRecovery) ? 1 : 0 },
{ "notify_on_flapping", (notificationTypeFilter & (NotificationFlappingStart | NotificationFlappingEnd)) ? 1 : 0 },
{ "notify_on_downtime", (notificationTypeFilter & (NotificationDowntimeStart | NotificationDowntimeEnd | NotificationDowntimeRemoved)) ? 1 : 0 }
});
}
Dictionary::Ptr HostDbObject::GetStatusFields() const
{
Dictionary::Ptr fields = new Dictionary();
Host::Ptr host = static_pointer_cast<Host>(GetObject());
CheckResult::Ptr cr = host->GetLastCheckResult();
if (cr) {
fields->Set("output", CompatUtility::GetCheckResultOutput(cr));
fields->Set("long_output", CompatUtility::GetCheckResultLongOutput(cr));
fields->Set("perfdata", PluginUtility::FormatPerfdata(cr->GetPerformanceData()));
fields->Set("check_source", cr->GetCheckSource());
fields->Set("latency", cr->CalculateLatency());
fields->Set("execution_time", cr->CalculateExecutionTime());
}
int currentState = host->GetState();
if (currentState != HostUp && !host->IsReachable())
currentState = 2; /* hardcoded compat state */
fields->Set("current_state", currentState);
fields->Set("has_been_checked", host->HasBeenChecked());
fields->Set("should_be_scheduled", host->GetEnableActiveChecks());
fields->Set("current_check_attempt", host->GetCheckAttempt());
fields->Set("max_check_attempts", host->GetMaxCheckAttempts());
fields->Set("last_check", DbValue::FromTimestamp(host->GetLastCheck()));
fields->Set("next_check", DbValue::FromTimestamp(host->GetNextCheck()));
fields->Set("check_type", !host->GetEnableActiveChecks()); /* 0 .. active, 1 .. passive */
fields->Set("last_state_change", DbValue::FromTimestamp(host->GetLastStateChange()));
fields->Set("last_hard_state_change", DbValue::FromTimestamp(host->GetLastHardStateChange()));
fields->Set("last_hard_state", host->GetLastHardState());
fields->Set("last_time_up", DbValue::FromTimestamp(host->GetLastStateUp()));
fields->Set("last_time_down", DbValue::FromTimestamp(host->GetLastStateDown()));
fields->Set("last_time_unreachable", DbValue::FromTimestamp(host->GetLastStateUnreachable()));
fields->Set("state_type", host->GetStateType());
fields->Set("notifications_enabled", host->GetEnableNotifications());
fields->Set("problem_has_been_acknowledged", host->GetAcknowledgement() != AcknowledgementNone);
fields->Set("acknowledgement_type", host->GetAcknowledgement());
fields->Set("passive_checks_enabled", host->GetEnablePassiveChecks());
fields->Set("active_checks_enabled", host->GetEnableActiveChecks());
fields->Set("event_handler_enabled", host->GetEnableEventHandler());
fields->Set("flap_detection_enabled", host->GetEnableFlapping());
fields->Set("is_flapping", host->IsFlapping());
fields->Set("percent_state_change", host->GetFlappingCurrent());
fields->Set("scheduled_downtime_depth", host->GetDowntimeDepth());
fields->Set("process_performance_data", host->GetEnablePerfdata());
fields->Set("normal_check_interval", host->GetCheckInterval() / 60.0);
fields->Set("retry_check_interval", host->GetRetryInterval() / 60.0);
fields->Set("check_timeperiod_object_id", host->GetCheckPeriod());
fields->Set("is_reachable", host->IsReachable());
fields->Set("original_attributes", JsonEncode(host->GetOriginalAttributes()));
fields->Set("current_notification_number", CompatUtility::GetCheckableNotificationNotificationNumber(host));
fields->Set("last_notification", DbValue::FromTimestamp(CompatUtility::GetCheckableNotificationLastNotification(host)));
fields->Set("next_notification", DbValue::FromTimestamp(CompatUtility::GetCheckableNotificationNextNotification(host)));
EventCommand::Ptr eventCommand = host->GetEventCommand();
if (eventCommand)
fields->Set("event_handler", eventCommand->GetName());
CheckCommand::Ptr checkCommand = host->GetCheckCommand();
if (checkCommand)
fields->Set("check_command", checkCommand->GetName());
return fields;
}
void HostDbObject::OnConfigUpdateHeavy()
{
Host::Ptr host = static_pointer_cast<Host>(GetObject());
/* groups */
Array::Ptr groups = host->GetGroups();
std::vector<DbQuery> queries;
DbQuery query1;
query1.Table = DbType::GetByName("HostGroup")->GetTable() + "_members";
query1.Type = DbQueryDelete;
query1.Category = DbCatConfig;
query1.WhereCriteria = new Dictionary();
query1.WhereCriteria->Set("host_object_id", host);
queries.emplace_back(std::move(query1));
if (groups) {
ObjectLock olock(groups);
for (const String& groupName : groups) {
HostGroup::Ptr group = HostGroup::GetByName(groupName);
DbQuery query2;
query2.Table = DbType::GetByName("HostGroup")->GetTable() + "_members";
query2.Type = DbQueryInsert;
query2.Category = DbCatConfig;
query2.Fields = new Dictionary({
{ "instance_id", 0 }, /* DbConnection class fills in real ID */
{ "hostgroup_id", DbValue::FromObjectInsertID(group) },
{ "host_object_id", host }
});
query2.WhereCriteria = new Dictionary({
{ "instance_id", 0 }, /* DbConnection class fills in real ID */
{ "hostgroup_id", DbValue::FromObjectInsertID(group) },
{ "host_object_id", host }
});
queries.emplace_back(std::move(query2));
}
}
DbObject::OnMultipleQueries(queries);
queries.clear();
DbQuery query2;
query2.Table = GetType()->GetTable() + "_parenthosts";
query2.Type = DbQueryDelete;
query2.Category = DbCatConfig;
query2.WhereCriteria = new Dictionary({
{ GetType()->GetTable() + "_id", DbValue::FromObjectInsertID(GetObject()) }
});
queries.emplace_back(std::move(query2));
/* parents */
for (const Checkable::Ptr& checkable : host->GetParents()) {
Host::Ptr parent = dynamic_pointer_cast<Host>(checkable);
if (!parent)
continue;
Log(LogDebug, "HostDbObject")
<< "host parents: " << parent->GetName();
/* parents: host_id, parent_host_object_id */
DbQuery query1;
query1.Table = GetType()->GetTable() + "_parenthosts";
query1.Type = DbQueryInsert;
query1.Category = DbCatConfig;
query1.Fields = new Dictionary({
{ GetType()->GetTable() + "_id", DbValue::FromObjectInsertID(GetObject()) },
{ "parent_host_object_id", parent },
{ "instance_id", 0 } /* DbConnection class fills in real ID */
});
queries.emplace_back(std::move(query1));
}
DbObject::OnMultipleQueries(queries);
/* host dependencies */
Log(LogDebug, "HostDbObject")
<< "host dependencies for '" << host->GetName() << "'";
queries.clear();
DbQuery query3;
query3.Table = GetType()->GetTable() + "dependencies";
query3.Type = DbQueryDelete;
query3.Category = DbCatConfig;
query3.WhereCriteria = new Dictionary({
{ "dependent_host_object_id", host }
});
queries.emplace_back(std::move(query3));
for (const Dependency::Ptr& dep : host->GetDependencies()) {
Checkable::Ptr parent = dep->GetParent();
if (!parent) {
Log(LogDebug, "HostDbObject")
<< "Missing parent for dependency '" << dep->GetName() << "'.";
continue;
}
int stateFilter = dep->GetStateFilter();
Log(LogDebug, "HostDbObject")
<< "parent host: " << parent->GetName();
DbQuery query2;
query2.Table = GetType()->GetTable() + "dependencies";
query2.Type = DbQueryInsert;
query2.Category = DbCatConfig;
query2.Fields = new Dictionary({
{ "host_object_id", parent },
{ "dependent_host_object_id", host },
{ "inherits_parent", 1 },
{ "timeperiod_object_id", dep->GetPeriod() },
{ "fail_on_up", (stateFilter & StateFilterUp) ? 1 : 0 },
{ "fail_on_down", (stateFilter & StateFilterDown) ? 1 : 0 },
{ "instance_id", 0 } /* DbConnection class fills in real ID */
});
queries.emplace_back(std::move(query2));
}
DbObject::OnMultipleQueries(queries);
Log(LogDebug, "HostDbObject")
<< "host contacts: " << host->GetName();
queries.clear();
DbQuery query4;
query4.Table = GetType()->GetTable() + "_contacts";
query4.Type = DbQueryDelete;
query4.Category = DbCatConfig;
query4.WhereCriteria = new Dictionary({
{ "host_id", DbValue::FromObjectInsertID(host) }
});
queries.emplace_back(std::move(query4));
for (const User::Ptr& user : CompatUtility::GetCheckableNotificationUsers(host)) {
Log(LogDebug, "HostDbObject")
<< "host contacts: " << user->GetName();
DbQuery query_contact;
query_contact.Table = GetType()->GetTable() + "_contacts";
query_contact.Type = DbQueryInsert;
query_contact.Category = DbCatConfig;
query_contact.Fields = new Dictionary({
{ "host_id", DbValue::FromObjectInsertID(host) },
{ "contact_object_id", user },
{ "instance_id", 0 } /* DbConnection class fills in real ID */
});
queries.emplace_back(std::move(query_contact));
}
DbObject::OnMultipleQueries(queries);
Log(LogDebug, "HostDbObject")
<< "host contactgroups: " << host->GetName();
queries.clear();
DbQuery query5;
query5.Table = GetType()->GetTable() + "_contactgroups";
query5.Type = DbQueryDelete;
query5.Category = DbCatConfig;
query5.WhereCriteria = new Dictionary({
{ "host_id", DbValue::FromObjectInsertID(host) }
});
queries.emplace_back(std::move(query5));
for (const UserGroup::Ptr& usergroup : CompatUtility::GetCheckableNotificationUserGroups(host)) {
Log(LogDebug, "HostDbObject")
<< "host contactgroups: " << usergroup->GetName();
DbQuery query_contact;
query_contact.Table = GetType()->GetTable() + "_contactgroups";
query_contact.Type = DbQueryInsert;
query_contact.Category = DbCatConfig;
query_contact.Fields = new Dictionary({
{ "host_id", DbValue::FromObjectInsertID(host) },
{ "contactgroup_object_id", usergroup },
{ "instance_id", 0 } /* DbConnection class fills in real ID */
});
queries.emplace_back(std::move(query_contact));
}
DbObject::OnMultipleQueries(queries);
DoCommonConfigUpdate();
}
void HostDbObject::OnConfigUpdateLight()
{
DoCommonConfigUpdate();
}
void HostDbObject::DoCommonConfigUpdate()
{
Host::Ptr host = static_pointer_cast<Host>(GetObject());
/* update comments and downtimes on config change */
DbEvents::AddComments(host);
DbEvents::AddDowntimes(host);
}
String HostDbObject::CalculateConfigHash(const Dictionary::Ptr& configFields) const
{
String hashData = DbObject::CalculateConfigHash(configFields);
Host::Ptr host = static_pointer_cast<Host>(GetObject());
Array::Ptr groups = host->GetGroups();
if (groups)
hashData += DbObject::HashValue(groups);
ArrayData parents;
/* parents */
for (const Checkable::Ptr& checkable : host->GetParents()) {
Host::Ptr parent = dynamic_pointer_cast<Host>(checkable);
if (!parent)
continue;
parents.push_back(parent->GetName());
}
std::sort(parents.begin(), parents.end());
hashData += DbObject::HashValue(new Array(std::move(parents)));
ArrayData dependencies;
/* dependencies */
for (const Dependency::Ptr& dep : host->GetDependencies()) {
Checkable::Ptr parent = dep->GetParent();
if (!parent)
continue;
dependencies.push_back(new Array({
parent->GetName(),
dep->GetStateFilter(),
dep->GetPeriodRaw()
}));
}
std::sort(dependencies.begin(), dependencies.end());
hashData += DbObject::HashValue(new Array(std::move(dependencies)));
ArrayData users;
for (const User::Ptr& user : CompatUtility::GetCheckableNotificationUsers(host)) {
users.push_back(user->GetName());
}
std::sort(users.begin(), users.end());
hashData += DbObject::HashValue(new Array(std::move(users)));
ArrayData userGroups;
for (const UserGroup::Ptr& usergroup : CompatUtility::GetCheckableNotificationUserGroups(host)) {
userGroups.push_back(usergroup->GetName());
}
std::sort(userGroups.begin(), userGroups.end());
hashData += DbObject::HashValue(new Array(std::move(userGroups)));
return SHA256(hashData);
}