Werk #5273: Fix display of CustomGraphs for metrics without current performance data

Component

Metrics system

Title

Fix display of CustomGraphs for metrics without current performance data

Date

Feb 15, 2018

Level

Trivial Change

Class

Bug Fix

Compatibility

Compatible - no manual interaction needed

Checkmk versions & editions

1.5.0i3	Checkmk Enterprise (CEE), Checkmk MSP (CME)
1.4.0p25	Checkmk Enterprise (CEE), Checkmk MSP (CME)

The graphing system was unable to display metrics within a custom graph if the corresponding performance-data is currently not available. This would for example be the case if a check isin a temporary "Unknown" state.

The rendering now correctly relies on the corresponding historical metric data instead of discarding the metric completely.

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