Checkmk werks level1

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Checkmk Werk 14896: Fix "Move to other folder" of hosts filtered by alias

by Ronny Bruska

ID: 14896 Title: Fix "Move to other folder" of hosts filtered by alias Component: Setup Level: 1 Class: Bug fix Version: 2.2.0i1 If you filtered for hosts on the "Setup" - "Hosts" page and used the alias as filter value, the option "Move to other folder" showed the error "Please select some hosts before doing bulk operations on hosts.", even if you selected the matched hosts.

1 year, 11 months

Checkmk Werk 14655: Extension manager: disable upgraded packages

by Moritz Kiemer

ID: 14655 Title: Extension manager: disable upgraded packages Component: Checks & agents Level: 1 Class: Bug fix Version: 2.2.0i1 When upgrading installed MKPs to a new version, the former version is disabled now.

1 year, 11 months

Checkmk Werk 13262: Missing failure indicator in IPMI status messages

by Frans Fürst

ID: 13262 Title: Missing failure indicator in IPMI status messages Component: Checks & agents Level: 1 Class: Bug fix Version: 2.2.0i1 The IPMI sensor check would result in an OK state when confronted with a status message like this: "ok (Presence detected, Predictive failure, Power Supply AC lost)" This change adds more substrings indicating an error and renders a service with the above string CRIT.

1 year, 11 months

Checkmk Werk 14958: cmk-update-agent: Fix lockfile handling

by Andreas Umbreit

ID: 14958 Title: cmk-update-agent: Fix lockfile handling Component: agents Level: 1 Class: Bug fix Version: 2.2.0i1 This Werk mainly fixes an inconvenience that occured when invoking multiple instances of the Agent Updater simultaneously. Since Werk #14732, it's possible for the Agent Updater to wait for running exclusively. However, before this Werk, a second instance failed to actually open and hold the respective lockfile (because the first instance deleted it). Hence, it also failed to delete it in the end. This resulted in an error message like <tt>No such file or directory: '/tmp/cmk-update-agent.pid'"</tt>. This didn't result in a crash, but the error was printed to the logfile and could lead to confusion.

1 year, 11 months

Checkmk Werk 14957: fileinfo: Crash on negative timespans

by Andreas Umbreit

ID: 14957 Title: fileinfo: Crash on negative timespans Component: Checks & agents Level: 1 Class: Bug fix Version: 2.2.0i1 When monitoring files/filegroups with service monitoring rules Size and age of single files or Size, age and count of file groups (i.e., all services basing on the fileinfo agent section, not on the mk_filestats agent plugin), the service evaluation could fail with a crash report containing the error "Cannot render negative timespan". This happened very rarely, and if it did, it was temorary (for one check period). Since the fix consists of a change in the agent section evaluation, you'll have to update agents to apply it on affected systems.

1 year, 11 months

Checkmk Werk 14653: Checkmk agent OSX: Add "Interface" services

by External contributor

ID: 14653 Title: Checkmk agent OSX: Add "Interface" services Component: Checks & agents Level: 1 Class: New feature Version: 2.2.0i1

1 year, 11 months

Checkmk Werk 14967: Timesyncd check plugin: Include metrics for sync times, change check behavior when NTP server not reachable and future-proofing

by Rebekka Seltmann

ID: 14967 Title: Timesyncd check plugin: Include metrics for sync times, change check behavior when NTP server not reachable and future-proofing Component: Checks & agents Level: 1 Class: New feature Version: 2.2.0i1 Since at least systemd v250 <tt>/var/lib/systemd/timesync/clock</tt> should no longer be used to determine the time since the last synchronisation, instead the modification time of <tt>/run/systemd/timesync/synchronized</tt> is now used. To monitor the reliability of this time, this werk also introduces two new metrics: LI: Time since last synchronisation: The modification time of <tt>/run/systemd/timesync/synchronized</tt> if available, otherwise <tt>/var/lib/systemd/timesync/clock</tt>. LI: Time since last NTPMessage: When the last message from the NTP server was received. To have these metrics available, the Checkmk linux agent needs to be updated, otherwise only the time since last synchronisation based on <tt>/var/lib/systemd/timesync/clock</tt> will be shown. Since the modification time of <tt>/var/lib/systemd/timesync/clock</tt> can at times be unsuitable to monitor when synchronization occurred (due to limited error handling in earlier systemd version), the default threshold for the allowed duration since last synchronisation has been removed. If you want to apply thresholds to the time since last synchronisation you now have to enable the rule manually. The default thresholds for the allowed duration since last NTPMessage have been set to 1h (WARN) and 2h (CRIT). Additionally, the behavior of the check was changed to go to CRIT when the NTP server could not be reached for synchronisation. In the course of the werk the rendering of the jitter was also corrected to show a time span instead of a date.

1 year, 11 months

Checkmk Werk 13436: Fix 500 errors on BI aggregation endpoints

by Benedikt Seidl

ID: 13436 Title: Fix 500 errors on BI aggregation endpoints Component: REST API Level: 1 Class: Bug fix Version: 2.2.0i1 Deleting a aggregation returned 500 status code "permission mismatch" Deleting a non existing aggregation returned 500 status code, now returns 404

1 year, 11 months

Checkmk Werk 13435: Fix 500 errors on BI rule endpoints

by Benedikt Seidl

ID: 13435 Title: Fix 500 errors on BI rule endpoints Component: REST API Level: 1 Class: Bug fix Version: 2.2.0i1 Deleting a rule which is a dependency of another rule returned a 500 status code, now returns 409 Deleting a rule returned a 500 status code "permission mismatch", now returns 204 Deleting a non existing rule returned a 500 status code, now returns 404

1 year, 11 months

Checkmk Werk 14652: Real-time checks: Simplify encryption setup

by Moritz Kiemer

ID: 14652 Title: Real-time checks: Simplify encryption setup Component: Checks & agents Level: 1 Class: New feature Version: 2.2.0i1 This Werk is incompatible for users of the real-time check (RTC) feature. We incompatibly change the way the encryption for RTC is configured. Since we cannot guarantee a compatible migration in all cases, we play it safe: All rulesets of the rule "Real-time checks" are extended by a randomly generated secret, used for (and enabling) encryption. Users have to reconfigure the rules to get the old behavior (or deploy the agents to use the created password). In detail: The setup of the RTC encryption had become confusing over time. We now radically simplify it. The setup is exclusively done via a new configuration option "Encryption", added to the ruleset "Real-time checks" (formally known as "Send data for real-time checks"). LI: The Checkmk agent for Linux encrypts real-time data if and only if the parameter <tt>RTC_SECRET</tt> is set (not empty) in <tt>/etc/check_mk/real_time_checks.cfg</tt>. LI: The Checkmk site expects encrypted data if and only if a pre-shared secret is configured via the ruleset "Real-time checks". LI: If the site expects encrypted data, unencrypted data is discarded (and vice versa). For users of the Agent Bakery the configuration of the ruleset is sufficient. The configuration of the agent is taken care of by the bakery. However, even if you do not use the agent bakery, you still have to set up the rule, such that the site knows which secret to use for decryption. All other encryption settings (distributed across the rules "Encryption (Linux, Windows)" and "Enable handling of Real-Time Checks") have no effect on the RTC encryption anymore. Unfortunately, we can't make this change compatible via automatic configuration update. Since we do not want to make users send unencrypted data by accident, we populate the encryption setting for all existing rules with a random value. To make the RTC work again either update the baked agents, or adapt the configured rules to reflect the behavior of the deployed agent.

1 year, 11 months

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Checkmk werks level1