Checkmk werks level1 February 2017

checkmk-werks-lvl1@lists.checkmk.com

10 participants
680 discussions

Check_MK Werk 8581: Fix exception with IndexError in multi page availability table

by Lars Michelsen

ID: 8581 Title: Fix exception with IndexError in multi page availability table Component: Reporting & Availability Level: 2 Class: Bug fix Version: 1.4.0i1

7 years, 6 months

Check_MK Werk 8582: Fix hint for how rule sets are interpreted for four rule sets. Were invalid type 'list'

by Lars Michelsen

ID: 8582 Title: Fix hint for how rule sets are interpreted for four rule sets. Were invalid type 'list' Component: WATO Level: 1 Class: Bug fix Version: 1.4.0i1

7 years, 6 months

Check_MK Werk 8583: Make "Export as PDF" honor graph time range when specified via display option (small computer icon)

by Lars Michelsen

ID: 8583 Title: Make "Export as PDF" honor graph time range when specified via display option (small computer icon) Component: Reporting & Availability Level: 1 Class: Bug fix Version: 1.4.0i1

7 years, 6 months

Check_MK Werk 8576: Fixed segfaults in cmc when Stats{And, Or, Negate} was used for EC tables

by Lars Michelsen

ID: 8576 Title: Fixed segfaults in cmc when Stats{And,Or,Negate} was used for EC tables Component: Livestatus Level: 1 Class: Bug fix Version: 1.4.0i3 Livestatus queries caused a segfault when Stats: lines were combined with operators when querying eventconsole tables.

7 years, 6 months

Check_MK Werk 8577: Fixed Livestatus queries for custom_variable_names columns.

by Lars Michelsen

ID: 8577 Title: Fixed Livestatus queries for custom_variable_names columns. Component: cmc Level: 1 Class: Bug fix Version: 1.4.0i3 Previously, Livestatus queries for custom_variable_names columns had to prepend an underscore to a variable name to find a given variable. This was an implementation detail which should not shine through, and it was highly inconsistent with the handling of custom_variables columns. This has been fixed, so no spurious underscore is needed anymore.

7 years, 6 months

Check_MK Werk 8578: Fixed C-style mangling of performance variable names in Graphite/InfluxDB connections

by Lars Michelsen

ID: 8578 Title: Fixed C-style mangling of performance variable names in Graphite/InfluxDB connections Component: cmc Level: 1 Class: Bug fix Version: 1.4.0i3 Previously, the performance variable names were not mangled in a reversible manner, even when C-style mangling was requested.

7 years, 6 months

Check_MK Werk 8579: Generalize Livestatus filter operators

by Lars Michelsen

ID: 8579 Title: Generalize Livestatus filter operators Component: Livestatus Level: 1 Class: New feature Version: 1.4.0i3 Previously, some filter operator did not work for numbers or had only a special meaning with certain columns. This has been generalized in a uniform way, so all operators work for numbers now, too. The operators <tt>~</tt>, <tt>=~</tt>, and <tt>~~</tt> interpret numbers as bit sets, and have the following meaning: <ul> <li><tt>x ~ y</tt> means: <tt>x</tt> is a superset of <tt>y</tt></li> <li><tt>x =~ y</tt> means: <tt>x</tt> is a subset of <tt>y</tt></li> <li><tt>x ~~ y</tt> means: <tt>x</tt> contains at least one element of <tt>y</tt></li> </ul> This is consistent with the way attribute list columns work and makes the Livestatus semantics more regular.

7 years, 6 months

Check_MK Werk 8580: Removed space leaks related to dynamic columns.

by Lars Michelsen

ID: 8580 Title: Removed space leaks related to dynamic columns. Component: Livestatus Level: 1 Class: Bug fix Version: 1.4.0i3 When some special columns were queried via Livestatus, the monitoring core leaked memory. This affected the following columns: <ul> <li><tt>mk_logwatch_file</tt> in table <tt>hosts</tt></li> <li><tt>value</tt> in table <tt>eventconsolereplication</tt></li> <li><tt>rrddata</tt> in tables <tt>hosts</tt> and <tt>services</tt></li> </ul>

7 years, 6 months

Check_MK Werk 8572: Made scheduling of check helpers more robust

by Lars Michelsen

ID: 8572 Title: Made scheduling of check helpers more robust Component: cmc Level: 2 Class: Bug fix Version: 1.4.0i1 Under very rare circumstances the monitoring core miscounted the number of idle helpers, leading to an endless loop with 100% CPU load.

7 years, 6 months

Check_MK Werk 8573: Handle large regular expressions more gracefully

by Lars Michelsen

ID: 8573 Title: Handle large regular expressions more gracefully Component: cmc Level: 1 Class: Bug fix Version: 1.4.0i2 Livestatus queries with large regular expressions in their filters could lead to a stack overflow and consequently to a termination of the micro core. To handle this in a more robust way, we set a limit on the size and complexity of a regular expression, and bump the stack sizes of the Livestatus threads from 64kB to 256kB. The net result is that we can correctly handle regular expression patters of up to roughly 2k characters, the exact value depends on the regex features used. For larger expressions we return a failure status in a clean way.

7 years, 6 months

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Checkmk werks level1 February 2017