Werk #6836: Fix Docker crashes

Component Checks & agents
Title Fix Docker crashes
Date Nov 5, 2018
Level Trivial Change
Class Bug Fix
Compatibility Compatible - no manual interaction needed
Checkmk versions & editions
1.6.0b1 Checkmk Raw (CRE), Checkmk Enterprise (CEE), Checkmk MSP (CME)
1.5.0p8 Checkmk Raw (CRE), Checkmk Enterprise (CEE), Checkmk MSP (CME)

Work around missing 'Repository' key if Repository Tags are not defined in image inspect output. Work around missing values if values are zero in 'docker system df'. Do not crash upon empty section in case of missing permissions.

To the list of all Werks