Checkmk werks level1 October 2021

checkmk-werks-lvl1@lists.checkmk.com

22 participants
94 discussions

Checkmk Werk 13169: added more AWS EC2 instance types

by Ulrich Bschorer

ID: 13169 Title: added more AWS EC2 instance types Component: Checks & agents Level: 1 Class: New feature Version: 2.1.0i1 Added more AWS EC2 instance types.

2 years, 11 months

Checkmk Werk 12699: Activate Livestatus TCP socket with systemd on recent enough systems

by Mathias Laurin

ID: 12699 Title: Activate Livestatus TCP socket with systemd on recent enough systems Component: Core & setup Level: 1 Class: New feature Version: 2.1.0i1 The Livestatus socket can be configured to be reachable over the network (details can be found under https://docs.checkmk.com/latest/en/livestatus.html#network). This is needed for, e.g., building distributed environments with Checkmk. In previous releases this network connection was managed by a site-specific xinetd instance. Since xinetd is not available on newer Linux distributions, we have added an alternative mode of managing the socket using systemd. All Checkmk sites on Linux distributions with a systemd version newer or equal to version 235 that have the LIVESTATUS_TCP option enabled (see abover for a link to the manual) automatically and seamlessly switch to the new systemd-managed socket after upgrading to Checkmk 2.1. Older Linux distributions keep using xinetd. Users are advised to double-check the systemd configuration under <tt>$OMD_ROOT/etc/mk-livestatus/livestatus.socket</tt> and <tt>$OMD_ROOT/etc/mk-livestatus/livestatus@.service</tt>.

2 years, 11 months

Checkmk Werk 13360: No longer allow semicolon in service descriptions

by Lukas Lengler

ID: 13360 Title: No longer allow semicolon in service descriptions Component: Core & setup Level: 1 Class: Bug fix Version: 2.1.0i1 When having a semicolon in service description the metric system would break i.e. metrics for this service would not be displayed. Having a semicolon in service description was not allowed before 2.0 but this restriction has been removed with Werk #12799. >From now on the semicolon will again be removed from service descriptions. With this change all services containing a semicolon will be renamed after the next "Activate changes" Notice: You are only affected by this issue if you are using the Checkmk Microcore

2 years, 11 months

Checkmk Werk 13313: Distributed monitoring: Improve version compatibility validation

by Lars Michelsen

ID: 13313 Title: Distributed monitoring: Improve version compatibility validation Component: Setup Level: 1 Class: New feature Version: 2.1.0i1 In distributed setups with sites using different Checkmk versions we can not ensure that all versions are compatible with each other. To clarify the compatibility between version we've now added more version checks that ensure the central and remote sites are using compatible versions. Allowed are connections: <ul> <li>Between same major versions (e.g. 2.0.0p1 to 2.0.0p3)</li> <li>From previous to newer major version (e.g. 1.6.0 central to 2.0.0 remote site)</li> </ul> Disallowed are connections: <ul> <li>From pre-pre to new major version (e.g. 1.6.0 central to 2.1.0 remote site)</li> <li>From new to old (e.g. 2.0.0p1 to 1.6.0p21)</li> <li>Between CME and other editions</li> </ul>

2 years, 11 months

Checkmk Werk 12700: Fix false positives and high CPU for smart ping

by Mathias Laurin

ID: 12700 Title: Fix false positives and high CPU for smart ping Component: Core & setup Level: 1 Class: Bug fix Version: 2.1.0i1 A timeout from a host being checked by smart ping could result in 100% CPU usage for the process and the program would stop working properly. This may in turn result in false positives for some hosts.

2 years, 11 months

Checkmk Werk 12334: Windows agent displays help text correctly

by Sergey Kipnis

ID: 12334 Title: Windows agent displays help text correctly Component: Checks & agents Level: 1 Class: Bug fix Version: 2.1.0i1 Previously, Windows agent being started from command line without an argument printed the help text incorrectly: the agent called asynchronously the internal protection script. With this release the problem has been solved. Windows agent calls protection script only being started as a service.

2 years, 11 months

Checkmk Werk 12959: contact group host attribute in REST API

by Christoph Rauch

ID: 12959 Title: contact group host attribute in REST API Component: Core & setup Level: 1 Class: Bug fix Version: 2.1.0i1 Previously, the contact_group attribute could not be set, because it lead to an error. This has been fixed and it can now be set. The REST API documentation has been updated as well. Please note that, if you're using a statically typed language and a generated API client, you may have to regenerate your API client library.

2 years, 11 months

Checkmk Werk 12958: add validation for custom tags to REST API

by Christoph Rauch

ID: 12958 Title: add validation for custom tags to REST API Component: Core & setup Level: 1 Class: Bug fix Version: 2.1.0i1 Previously, host attributes which were custom defined could not be used in the REST API due to a missing validation step. This Werk fixes this. Custom attributes can now be used in the REST API as soon as they are created (e.g. using the Setup GUI).

2 years, 11 months

Checkmk Werk 13377: Fix missing date header in for ASCII and HTML Email

by Ronny Bruska

ID: 13377 Title: Fix missing date header in for ASCII and HTML Email Component: Notifications Level: 1 Class: Bug fix Version: 2.1.0i1 The Date header is usually added by the local MTA and does not cause any problems. However, if direct delivery via SMTP smart host is set, the date header is no longer added and is then missing in the mail client, which shows the date of receipt.

2 years, 11 months

Checkmk Werk 13037: Add dashlet to display inventory attribute

by Benedikt Seidl

ID: 13037 Title: Add dashlet to display inventory attribute Component: Setup Level: 1 Class: New feature Version: 2.1.0i1 Add a dashlet to display a single inventory element.

2 years, 11 months

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Checkmk werks level1 October 2021