Werk #7425: mk_postgres, postgres_instances: fix plugin output for older operating systems

Component

Checks & agents

Title

mk_postgres, postgres_instances: fix plugin output for older operating systems

Date

Jun 14, 2019

Level

Trivial Change

Class

Bug Fix

Compatibility

Incompatible - Manual interaction might be required

Checkmk versions & editions

2.0.0i1	Checkmk Raw (CRE), Checkmk Enterprise (CEE), Checkmk MSP (CME)
1.6.0b3	Checkmk Raw (CRE), Checkmk Enterprise (CEE), Checkmk MSP (CME)
1.5.0p19	Checkmk Raw (CRE), Checkmk Enterprise (CEE), Checkmk MSP (CME)

mk_postgres used the pgrep command to find the running PostgreSQL instances. Unfortunately, version 1.5.0p3 added a command line argument that is not supported on older operating systems like e.g. SLES 11, but only on newer ones like e.g. SLES 12. As a result Checkmk did not find any PostgreSQL instances on older operating systems.

To resolve the issue, the fixed version of the mk_postgres plugin has to be deployed on the affected hosts.

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