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Merge pull request #9198 from Icinga/Al2Klimov-patch-6 

Doc: technical concepts: allow to change severity formula across Icinga 2 releases
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Julian Brost 2022-01-31 16:43:06 +01:00 committed by GitHub
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doc/19-technical-concepts.md
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@ -451,71 +451,7 @@ The severity value is pre-calculated for visualization interfaces
such as Icinga Web which sorts the problem dashboard by severity by default. such as Icinga Web which sorts the problem dashboard by severity by default.
The higher the severity number is, the more important the problem is. The higher the severity number is, the more important the problem is.
However, the formula can change across Icinga 2 releases.
Flags:
```cpp
/**
* Severity Flags
*
* @ingroup icinga
*/
enum SeverityFlag
{
SeverityFlagDowntime = 1,
SeverityFlagAcknowledgement = 2,
SeverityFlagHostDown = 4,
SeverityFlagUnhandled = 8,
SeverityFlagPending = 16,
SeverityFlagWarning = 32,
SeverityFlagUnknown = 64,
SeverityFlagCritical = 128,
};
```
Host:
```cpp
/* OK/Warning = Up, Critical/Unknown = Down */
if (!HasBeenChecked())
severity |= SeverityFlagPending;
else if (state == ServiceUnknown)
severity |= SeverityFlagCritical;
else if (state == ServiceCritical)
severity |= SeverityFlagCritical;
if (IsInDowntime())
severity |= SeverityFlagDowntime;
else if (IsAcknowledged())
severity |= SeverityFlagAcknowledgement;
else
severity |= SeverityFlagUnhandled;
```
Service:
```cpp
if (!HasBeenChecked())
severity |= SeverityFlagPending;
else if (state == ServiceWarning)
severity |= SeverityFlagWarning;
else if (state == ServiceUnknown)
severity |= SeverityFlagUnknown;
else if (state == ServiceCritical)
severity |= SeverityFlagCritical;
if (IsInDowntime())
severity |= SeverityFlagDowntime;
else if (IsAcknowledged())
severity |= SeverityFlagAcknowledgement;
else if (m_Host->GetProblem())
severity |= SeverityFlagHostDown;
else
severity |= SeverityFlagUnhandled;
```
## Cluster <a id="technical-concepts-cluster"></a> ## Cluster <a id="technical-concepts-cluster"></a>