Checkmk werks level1 September 2019

checkmk-werks-lvl1@lists.checkmk.com

17 participants
436 discussions

Checkmk Werk 10181: local: Fix "Invalid performance data" on trailing semicolons

by Lars Michelsen

ID: 10181 Title: local: Fix "Invalid performance data" on trailing semicolons Component: Checks & agents Level: 1 Class: Bug fix Version: 1.7.0i1 When a local check reported perfdata that had one or multiple a trailing ";" signs, this could break the local check making it show the message "Invalid performance data".

4 years, 11 months

Checkmk Werk 10141: mk_logwatch: be more robust against unexpected file encoding

by Moritz Kiemer

ID: 10141 Title: mk_logwatch: be more robust against unexpected file encoding Component: Checks & agents Level: 1 Class: Bug fix Version: 1.7.0i1 In version 1.6.0 the mk_logwatch plugin crashed if a processed logfile could not be correctly encoded. We now replace all characters that can not be encoded with the U+FFFD replacement character. In addition, in case of an exception we now continue processing the next file.

4 years, 11 months

Checkmk Werk 10207: HW/SW Inventory History: Skip delta trees if no changes

by Simon Jess

ID: 10207 Title: HW/SW Inventory History: Skip delta trees if no changes Component: HW/SW Inventory Level: 1 Class: Bug fix Version: 1.7.0i1

4 years, 11 months

Checkmk Werk 10186: Windows Agent executes 'wmi_cpuload' section separately

by Sergey Kipnis

ID: 10186 Title: Windows Agent executes 'wmi_cpuload' section separately Component: Checks & agents Level: 1 Class: Bug fix Version: 1.6.0p1 Previously the 'wmi_cpuload' section had been executed together with all other sections and plugins. This could result in realistic looking, but definitely too high numbers for the CPU load especially when the CPU is weak. Now the Windows Agent launches the 'wmi_cpuload' section at the very beginning of the processing cycle, both alone and synchronous, thus providing precise results for the CPU-load.

4 years, 11 months

Checkmk Werk 10206: check_mk_agent.solaris: Fixed missing MTIME which broke the agent data parsing

by Simon Jess

ID: 10206 Title: check_mk_agent.solaris: Fixed missing MTIME which broke the agent data parsing Component: Checks & agents Level: 1 Class: Bug fix Version: 1.7.0i1 The MTIME for cached sections was empty such that Checkmk could not calculate the cache age of these sections. The fixed Solaris agent has to be deployed or installed on the affected hosts.

4 years, 11 months

Checkmk Werk 10180: LDAP: Fix name clashes when using multiple LDAPs with suffix and without

by Lars Michelsen

ID: 10180 Title: LDAP: Fix name clashes when using multiple LDAPs with suffix and without Component: Multisite Level: 2 Class: Bug fix Version: 1.7.0i1 When using the LDAP authentication with multiple LDAP servers where one of the connections has a connection suffix configured and another does not have one configured, it could happen that users authenticating with the suffixed connection end up as authenticated user of the not suffixed connection.

4 years, 11 months

Checkmk Werk 10068: graylog_messages: New check for message count of graylog indices

by Ronny Bruska

ID: 10068 Title: graylog_messages: New check for message count of graylog indices Component: Checks & agents Level: 1 Class: New feature Version: 1.7.0i1 This check monitors the count of messages over all indices of a graylog instance. It outputs the total number of messages and the average rate of messages in a given timeframe. CMK-2768

4 years, 11 months

Checkmk Werk 10070: systemd: Fixed possible memory leak related to KillMode in unit file

by Ronny Bruska

ID: 10070 Title: systemd: Fixed possible memory leak related to KillMode in unit file Component: Checks & agents Level: 1 Class: Bug fix Version: 1.7.0i1 We have seen cases in which the parameter "KillMode=process" of the unit file "check_mk@.service" causes a memory leak. This was first seen on Debian Buster but could occur in the future on other operating systems too. The cached check runs that are forked in the backround seem to cause systemd not to discard the service once it's done. If you run: C+: RP:systemd-cgls -au system-check_mk.slice C-: you can see a lot of old services and task_struct objects in slab growing constantly. You can see those processes also on eg. Debian Stretch but there they should have no effect on task_struct objects. To fix this, the parameter "KillMode=process" was changed to "Type=forking". To change the unit file: C+: RP:systemctl stop check_mk.socket RP:systemctl disable check_mk.socket C-: Copy the new check_mk@.service unit file to /etc/systemd/system/. You can download the file within "Monitoring Agents" - "Agent files" or find it in site user context ~/share/check_mk/agents/cfg_examples/systemd/. C+: RP:systemctl daemon-reload RP:systemctl enable check_mk.socket RP:systemctl start check_mk.socket C-:

4 years, 11 months

Checkmk Werk 10174: Add Web-API calls for Checkmk Grafana datasource 1.1.0

by Lars Michelsen

ID: 10174 Title: Add Web-API calls for Checkmk Grafana datasource 1.1.0 Component: metrics Level: 2 Class: New feature Version: 1.7.0i1 The upcoming version 1.1.0 of the Checkmk Grafana datasource (https://github.com/tribe29/grafana-checkmk-datasource/) will introduce some new features that need these new API calls: <ul> <li>get_combined_graph_identifications: Used to aggregate similar graphs of the same type together to a single value</li> <li>get_graph_annotations: Used to add some monitoring events as Grafana annotations to dashboards.</li> </ul>

4 years, 11 months

Checkmk Werk 10179: Discovery page: Missing "full scan" button in some cases

by Lars Michelsen

ID: 10179 Title: Discovery page: Missing "full scan" button in some cases Component: WATO Level: 1 Class: Bug fix Version: 1.7.0i1 In previous 1.6 releases the message "No discovery information available. Please perform a full scan." could appear without a visible "Full scan" button could appear making it hard to proceed with a service discovery. As a workaround with previou versions, you could execute a bulk discovery for this host or go on the diagnostic page and click on the "Test" button once. Afterwards you should be able to proceed on the discovery page.

4 years, 11 months

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Checkmk werks level1 September 2019