Checkmk werks level1 February 2017

checkmk-werks-lvl1@lists.checkmk.com

10 participants
680 discussions

Check_MK Werk 8128: Fix filedescriptor leak in CMC due to new error handling of check helpers

by Lars Michelsen

ID: 8128 Title: Fix filedescriptor leak in CMC due to new error handling of check helpers Component: cmc Level: 2 Class: Bug fix Version: 1.2.7i1

7 years, 6 months

Check_MK Werk 8129: Create log entries for acknowledgements in monitoring log

by Lars Michelsen

ID: 8129 Title: Create log entries for acknowledgements in monitoring log Component: cmc Level: 2 Class: New feature Version: 1.2.7i1 When an acknowledgement is being created or removed or an acknowledgement ends because of a state change or expires then now an entry in made in the monitoring log. Example: F+:var/check_mk/core/history [1420818703] HOST ACKNOWLEDGE ALERT: xyserver12;STARTED;omdadmin;Some comment... F-: These entries are visiable via Multisite and via Livestatus. This only works with the CMC.

7 years, 6 months

Check_MK Werk 8130: Omit output of path information in agent bakery if paths are at default settings

by Lars Michelsen

ID: 8130 Title: Omit output of path information in agent bakery if paths are at default settings Component: agents Level: 1 Class: Bug fix Version: 1.2.7i1

7 years, 6 months

Check_MK Werk 8124: Avoid configuration changes to be become active without activate changes

by Lars Michelsen

ID: 8124 Title: Avoid configuration changes to be become active without activate changes Component: config Level: 2 Class: Bug fix Version: 1.2.7i1 The Check_MK keepalive mode, which is used for the Check_MK helpers and for the RRD creation helper, now uses a new method for reading the configuration from <tt>main.mk</tt>, the other <tt>*.mk</tt> files and the <tt>autochecks</tt>. This new method has two advantages: <ul> <li>Changes done to <tt>*.mk</tt> files can no longer become active unless they are activated. This even holds for core or server restarts and for crashed check helpers</li> <li>Check helpers and RRD helper do not any longer need to restart themselves after a configuration change but simply reload the changed configuration. This has a muss smaller CPU footprint when activating changes.</li> <li>Autochecks files are now only read for the host that is currently being delt with. This makes the internal check table much smaller and speeds configuration reloads.</li> </ul> The gross result is that configuration changes are now really automic and also faster. H2:Implementation details Whenever you create the configuration for the core (options <tt>-B</tt>, <tt>-O</tt>, <tt>-R</tt> or <tt>-U</tt> or Activate Changes via WATO) then the complete configuration (the result from parsing <tt>main.mk</tt> and friends) is written to the file <tt>var/check_mk/core/config.mk</tt>. The core then triggers the check helpers for configuration reload. The helpers simply re-read that file and are immediately up-to-date. At the same time copies (hard links) of the autochecks files in <tt>var/check_mk/autochecks</tt> are being created in <tt>var/check_mk/core/autochecks</tt>. These files are used during the monitoring. Note: The Discovery check (formerly known as Inventory check) does not use the activated configuration but still that one that is modified via WATO. That way after doing a service discovery the discovery check will immediately be happy - without a core restart. This is just as it used to be.

7 years, 6 months

Check_MK Werk 8125: Fix invalid number of Alert statistics view when exported as PDF

by Lars Michelsen

ID: 8125 Title: Fix invalid number of Alert statistics view when exported as PDF Component: Reporting & Availability Level: 2 Class: Bug fix Version: 1.2.7i1 The reason was that internally a limit on the number of raw lines from the log query was imposed. This has been fixed.

7 years, 6 months

Check_MK Werk 8126: Agent bakery creates now tarball AIX agent (still no plugins)

by Lars Michelsen

ID: 8126 Title: Agent bakery creates now tarball AIX agent (still no plugins) Component: agents Level: 2 Class: New feature Version: 1.2.7i1

7 years, 6 months

Check_MK Werk 8121: View PDF exports now have context infos in title

by Lars Michelsen

ID: 8121 Title: View PDF exports now have context infos in title Component: Reporting & Availability Level: 1 Class: Bug fix Version: 1.2.7i1 The title of the PDF was showing the original view title without user localization or context related information like the name of the host.

7 years, 6 months

Check_MK Werk 8122: Disabling host checks is now working correctly

by Lars Michelsen

ID: 8122 Title: Disabling host checks is now working correctly Component: cmc Level: 1 Class: Bug fix Version: 1.2.7i1 In previous versions, when the user disabled the host checks, it only stopped sending out ICMP requests. Processing incoming ICMP packets and marking host as down in case of too long time without answer still resulted in hosts getting marked as critical. This has been fixed now. The host state won't change anymore when disabled.

7 years, 6 months

Check_MK Werk 8123: Fix broken layout of host/service detail pages, add host details to example report

by Lars Michelsen

ID: 8123 Title: Fix broken layout of host/service detail pages, add host details to example report Component: Reporting & Availability Level: 2 Class: New feature Version: 1.2.7i1

7 years, 6 months

Check_MK Werk 8117: The "Check_MK Discovery" service is executed in a much more performant way

by Lars Michelsen

ID: 8117 Title: The "Check_MK Discovery" service is executed in a much more performant way Component: cmc Level: 2 Class: Bug fix Version: 1.2.7i1 The "Check_MK Discovery" check was executed as active check, initializing the whole python interpreter, check_mk and the whole check_mk configuration for each check, just to perform an inventory check for a single host. Now the "Check_MK Discovery" service also uses the permanently running Check_MK Helper processes just like the regular Check_MK service which results in a big performanc boosts for environments with a large number of hosts using the "Check_MK Discovery" service.

7 years, 6 months

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Checkmk werks level1 February 2017