Checkmk werks level1 September 2019

checkmk-werks-lvl1@lists.checkmk.com

17 participants
436 discussions

Checkmk Werk 8793: notifications crash if non ASCII characters are present in the plugin output

by Tom Baerwinkel

ID: 8793 Title: notifications crash if non ASCII characters are present in the plugin output Component: Notifications Level: 1 Class: Bug fix Version: 1.7.0i1 For bulk notifications this results in recurring notifications since the corresponding spoolfile was not cleaned up. Non bulk notifications were not sent multiple times. For both normal and bulk notifications no "Final notification result" was produced in the "Host- and Service notifications" view.

5 years

Checkmk Werk 10017: mk_docker.py: Add missing diskstat bakery option

by Moritz Kiemer

ID: 10017 Title: mk_docker.py: Add missing diskstat bakery option Component: Checks & agents Level: 1 Class: Bug fix Version: 1.7.0i1 The option to disable the docker_container_diskstat section was missing in version 1.6.0b9.

5 years

Checkmk Werk 8909: Exclude MSSQL instances from monitoring

by Mathias Laurin

ID: 8909 Title: Exclude MSSQL instances from monitoring Component: Checks & agents Level: 1 Class: New feature Version: 1.7.0i1 The MSSQL plugin may now be configured to exclude specific instances from the monitoring. This is achieved with an extra section in the configuration file. The new section looks like: [instance] exclude = inst1,inst2,inst3

5 years

Checkmk Werk 10017: mk_docker.py: Add missing diskstat bakery option

by Moritz Kiemer

5 years

Checkmk Werk 8793: notifications crash if non ASCII characters are present in the plugin output

by Tom Baerwinkel

5 years

Checkmk Werk 10041: Reduce apache memory usage + Change check parameters API

by Lars Michelsen

ID: 10041 Title: Reduce apache memory usage + Change check parameters API Component: WATO Level: 2 Class: Bug fix Version: 1.7.0i1 We recognized that the 1.6 check parameter (ruleset) plugin mechanism (which was based on classes and using the python abc module) consumed a lot more memory than the previous plugin API. The apache processes were ~50% bigger than in previous Checkmk releases which a too large growth. The problem is that the apache processes are part of a dynamic process pool which can scale from 5 to 64 processes (in the default config). When your apache processes use 130 MB of memory, this means that you would need to have ~8 GB of memory available to be able to handle high usage peaks. In such a situation a single process growth of 50% is relevant and should be avoided if possible. If you have already ported your WATO check parameter plugins to 1.6 you will now have to port it to the new mechanism. The new plugin API for registering check parameters is similar to the 1.5 API, but more explicit to make it easier to understand. For example the 'logins' check parameter declaration looks like this: C:+ from cmk.gui.i18n import _ from cmk.gui.valuespec import ( Integer, Tuple, ) from cmk.gui.plugins.wato import ( CheckParameterRulespecWithoutItem, rulespec_registry, RulespecGroupCheckParametersOperatingSystem, ) def _parameter_valuespec_logins(): return Tuple( help=_("This rule defines upper limits for the number of logins on a system."), elements=[ Integer(title=_("Warning at"), unit=_("users"), default_value=20), Integer(title=_("Critical at"), unit=_("users"), default_value=30) ], ) rulespec_registry.register( CheckParameterRulespecWithoutItem( check_group_name="logins", group=RulespecGroupCheckParametersOperatingSystem, parameter_valuespec=_parameter_valuespec_logins, title=lambda: _("Number of Logins on System"), )) C-:

5 years

Checkmk Werk 10042: Fix exception caused by autochecks with integers as items

by Lars Michelsen

ID: 10042 Title: Fix exception caused by autochecks with integers as items Component: Core & setup Level: 1 Class: Bug fix Version: 1.7.0i1 The calculation of check parameters during activate changes or checking could cause an exception like "TypeError: expected string or buffer" when a discovery function of a check created services using integers as items instead of strings.

5 years

Checkmk Werk 10057: msoffice check works now correctly

by Sergey Kipnis

ID: 10057 Title: msoffice check works now correctly Component: Checks & agents Level: 1 Class: Bug fix Version: 1.6.0b10 Previously bakery generated msoffice check config file with wrong name. Additionally, bake agent may fail with crash Now both errors had been fixed and nsoffice check works as intended

5 years

Checkmk Werk 10056: Windows Agent command line option 'reload_config' starts/stops plugins

by Sergey Kipnis

ID: 10056 Title: Windows Agent command line option 'reload_config' starts/stops plugins Component: Checks & agents Level: 1 Class: New feature Version: 1.6.0b9 Earlier 'reload_config' did not try to run asynchronous plugins. Thus, the option was useless for the automatic update of the agent with the Agent Updater plugin. The Windows Agent now starts and stops asynchronous plugins according to the configuration just loaded.

5 years

Checkmk Werk 10058: Windows Agent: Increased speed of processing data coming from plugins

by Sergey Kipnis

ID: 10058 Title: Windows Agent: Increased speed of processing data coming from plugins Component: Checks & agents Level: 1 Class: Bug fix Version: 1.6.0b10 Previously, a plugin that generated large amounts of data could be interrupted by the timeout. An example of such plugin is mssql.vbs. Now this problem is solved and the Windows Agent agent fully supports such plugins.

5 years

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Checkmk werks level1 September 2019