Werk #5971: docker_node_disk_usage: Fix "No JSON object could be decoded" exception with older docker versions

Component

Checks & agents

Title

docker_node_disk_usage: Fix "No JSON object could be decoded" exception with older docker versions

Date

Apr 11, 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)
1.5.0b2	Checkmk Raw (CRE), Checkmk Enterprise (CEE), Checkmk MSP (CME)

When the new agent is executed on a docker nodes that does not yet support the "docker system df" command with the "--format" parameter, then the check crashed. The agent has now been fixed to not transport the error message to the Check_MK server.

To the list of all Werks