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Update object#config_hash after all relations queries

This commit is contained in:
Yonas Habteab 2024-05-22 12:27:54 +02:00
parent da2b592b77
commit 1019398d55
3 changed files with 23 additions and 4 deletions
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23
lib/db_ido/dbobject.cpp
View File

@ -119,6 +119,14 @@ void DbObject::SendConfigUpdateHeavy(const Dictionary::Ptr& configFields)
ASSERT(configFields->Contains("config_hash"));
Value configHash = configFields->Get("config_hash");
// Since all the child tables are relying on the inserted parent ID, we first need to insert/update the
// configuration fields of the current object without the actual config_hash value. Having the config hash
// set only after all relation queries eliminates some rare race conditions where e.g. host group members
// are not written to the database because Icinga 2 / the DBMS was unexpectedly stopped/reloaded shortly
// after the config_hash column was updated.
configFields->Set("config_hash", Empty);
ConfigObject::Ptr object = GetObject();
DbQuery query;
@ -138,7 +146,22 @@ void DbObject::SendConfigUpdateHeavy(const Dictionary::Ptr& configFields)
m_LastConfigUpdate = Utility::GetTime();
// Trigger config heavy udpates of the child classes.
OnConfigUpdateHeavy();
// Now update the config hash attribute of the current object.
DbQuery configHashQuery;
configHashQuery.Table = GetType()->GetTable() + "s";
configHashQuery.Type = DbQueryUpdate;
configHashQuery.Category = DbCatConfig;
configHashQuery.Fields = new Dictionary({{"config_hash", configHash}});
configHashQuery.Object = this;
configHashQuery.ConfigUpdate = true;
configHashQuery.WhereCriteria = new Dictionary({{GetType()->GetIDColumn(), object}});
OnQuery(configHashQuery);
// Lastly, update some common configs that do not affect the config_hash column.
OnConfigUpdateLight();
}
void DbObject::SendConfigUpdateLight()

2
lib/db_ido/hostdbobject.cpp
View File

@ -330,8 +330,6 @@ void HostDbObject::OnConfigUpdateHeavy()
}
DbObject::OnMultipleQueries(queries);
DoCommonConfigUpdate();
}
void HostDbObject::OnConfigUpdateLight()

2
lib/db_ido/servicedbobject.cpp
View File

@ -282,8 +282,6 @@ void ServiceDbObject::OnConfigUpdateHeavy()
}
DbObject::OnMultipleQueries(queries);
DoCommonConfigUpdate();
}
void ServiceDbObject::OnConfigUpdateLight()