Checkmk werks level1 September 2019

checkmk-werks-lvl1@lists.checkmk.com

17 participants
436 discussions

Checkmk Werk 10011: check_http: remove uri validator

by Moritz Kiemer

ID: 10011 Title: check_http: remove uri validator Component: Checks & agents Level: 1 Class: Bug fix Version: 1.7.0i1 >From version 1.6.0b1 to 1.6.0b9 WATO validated the URI parameter of the check_http ruleset. As it turns out, a validator is too restricitve, as it prevents users from entering variables. It has been removed.

5 years

Checkmk Werk 10012: mk_jolokia, agent_jolokia: Improved handling of connection errors

by Moritz Kiemer

ID: 10012 Title: mk_jolokia, agent_jolokia: Improved handling of connection errors Component: Checks & agents Level: 1 Class: New feature Version: 1.7.0i1 If no server can be contacted at the specified base URL, create one jolokia_info service which goes to CRIT.

5 years

Checkmk Werk 10039: Fix folding of rule condition containers

by Lars Michelsen

ID: 10039 Title: Fix folding of rule condition containers Component: WATO Level: 1 Class: Bug fix Version: 1.7.0i1 Since the explicit / predefined condition toggle was introduced, there were some glitches in the foldable container mechanism of the rules conditions. This problem has now been solved and on the way the toggling mechanism of the foldable container has been simplified.

5 years

Checkmk Werk 10007: agent_hp_msa: Properly connect to 2040/2042 devices

by Moritz Kiemer

ID: 10007 Title: agent_hp_msa: Properly connect to 2040/2042 devices Component: Checks & agents Level: 1 Class: Bug fix Version: 1.7.0i1 >From version 1.6.0b1 to version 1.6.0b9 agent_hp_msa was unable to connect to 2040/2042 devices.

5 years

Checkmk Werk 8912: Kubernetes checks for jobs

by Mathias Laurin

ID: 8912 Title: Kubernetes checks for jobs Component: Checks & agents Level: 1 Class: New feature Version: 1.7.0i1 The special agent now delivers information for k8s jobs. The check provides information on active and terminated jobs and the job containers are counted in the HW/SW inventory.

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 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 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

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 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

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Checkmk werks level1 September 2019