Werk #6836: Fix Docker crashes
| Component | Checks & agents |
| Title | Fix Docker crashes |
| Date | Nov 5, 2018 |
| Checkmk Edition | Checkmk Raw (CRE) |
| Checkmk Version | 1.5.0p8 1.6.0b1 |
| Level | Trivial Change |
| Class | Bug Fix |
| Compatibility | Compatible - no manual interaction needed |
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.
