Checkmk werks level1 October 2023

checkmk-werks-lvl1@lists.checkmk.com

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[2.3.0] Checkmk Werk 16139 created: notifications: adjust regex pattern

by Checkmk werks level 1

Title: notifications: adjust regex pattern Class: fix Compatible: compat Component: rest-api Date: 1695917741 Edition: cre Knowledge: doc Level: 1 Version: 2.3.0b1 This werk addresses an issues found by the QA team with regards to the regex pattern we use to match valid PushOverPlugin api_keys and also the user group key. Previously we used [a-zA-Z0-9]{30} which will match any string that has 30 or more characters and numbers. This is partial match. We now do the following ^[a-zA-Z0-9]{30,40}$ which will match the whole string. We only allow characters and numbers with the whole string having to be of length min 30 and max 40 characters.

11 months, 2 weeks

[2.3.0] Checkmk Werk 16112 created: Refer to a time period by its name instead of its alias in the REST API

by Checkmk werks level 1

Title: Refer to a time period by its name instead of its alias in the REST API Class: fix Compatible: incomp Component: rest-api Date: 1696245234 Edition: cre Knowledge: doc Level: 1 Version: 2.3.0b1 Before this Werk, a time period to be excluded was referred to by its alias and not its name. This Werk changes that behaviour and now time periods to exclude must be referred to by their name. Also, the retrieval of a time period now returns time periods names in the exclude field. To integrate this change, the user must fill in the exclude field with the name of the time periods instead of their alias. Affected endpoints * creation * update * retrieval

11 months, 2 weeks

[2.1.0] Checkmk Werk 16154 created: SNMPv3 authentication protocol selection in host

by Checkmk werks level 1

Title: SNMPv3 authentication protocol selection in host Class: fix Compatible: compat Component: wato Date: 1696429191 Edition: cre Knowledge: doc Level: 1 Version: 2.1.0p35 In the authentication protocol selection in the host connection test the following settings were not correctly passed to the backend: SHA-224, SHA-256, SHA-384, SHA-512.

11 months, 2 weeks

[2.3.0] Checkmk Werk 15644 created: postgres_processes: Restore Monitoring if Instance Name is Missing

by Checkmk werks level 1

Title: postgres_processes: Restore Monitoring if Instance Name is Missing Class: fix Compatible: compat Component: checks Date: 1695383436 Edition: cre Knowledge: doc Level: 1 Version: 2.3.0b1 As of version 2.1.0p30 and 2.2.0p4, it was no longer possible to use the plugin postgres_instances, if the instance name was empty, i.e. ``. In previous versions, this plugin would show a service with the item `PostgreSQL Instance `. This service would be OK, if there was at least one process belonging to any postgres instance, and CRIT otherwise. With this Werk, the plugin postgres_instances no longer crashes, if there is an empty instance name. The old service `PostgreSQL Instance ` is no longer discovered. Instead the new check plugin postgres_processes can be used.

11 months, 2 weeks

[2.3.0] Checkmk Werk 15645 created: postgres: Fix Internal error: 'NoneType' object has no attribute 'value_to_json_safe'

by Checkmk werks level 1

Title: postgres: Fix Internal error: 'NoneType' object has no attribute 'value_to_json_safe' Class: fix Compatible: compat Component: wato Date: 1695631092 Edition: cee Knowledge: doc Level: 1 Version: 2.3.0b1 In Werk 16016, an incompatible change to rule `PostgreSQL database and sessions (Linux, Windows)` was introduced. This Werk caused multiple regression bugs, particularly affecting users with existing rulesets. If a user upgraded to 2.1.0p33 and had an existing rule `PostgreSQL database and sessions (Linux, Windows)`, then the would see the following error during upgrade: C+: - ERROR: Failed to transform rule: (Ruleset: agent_config:mk_postgres, ...}}: C-: Moreover, if users tried to address the issue by editing the rule, then the following error was shown: C+: Internal error: 'NoneType' object has no attribute 'value_to_json_safe' C-: With this Werk, the configuration is automatically migrated to the new format and the errors should no longer occur. Users, whom upgraded to 2.2.0p8 were not affected by this problem. If a user updated the agent plugin `mk_postgres.py` with means other than the bakery, then they would encounter the following error while executing `mk_postgres.py`: C+: ValueError: not enough values to unpack (expected 4, got 3) C-: This error could be addressed by adopting the postgres.cfg in the ways described by Werk 16016. However, if the environment file was called `.env`, then another error might occur: C+: ValueError: Instance name can not be inferred from .env file, instance name should be specified explicitly C-: With this Werk, these errors no longer occur. Both, old configuration files and configuration files where the instance name is empty, are considered to be valid. The absence of an instance name is handled in the same way it was handled before Werk 16016. Note, that an empty instance is still a mistake. If you are affected by any of the two errors above, it is recommended to migrate to the configuration format and to specify a non-empty instance name explicitely. For example, let's assume your configuration file contains this line: C+: INSTANCE=/home/postgres/db1.env:USER_NAME:/PATH/TO/.pgpass C-: Then, you can find the instance name by taking the environment file path (`/home/postgres/db1.env`), removing the directory (`db1.env`), and removing everything after the `.` (`db1`). Thus, the new format is equivalent to: C+: INSTANCE=/home/postgres/db1.env:USER_NAME:/PATH/TO/.pgpass:db1 C-: Sometimes, this may fail if your instance name is empty. For example, C+: INSTANCE=/home/postgres/.env:USER_NAME:/PATH/TO/.pgpass C-: would result in C+: INSTANCE=/home/postgres/.env:USER_NAME:/PATH/TO/.pgpass: C-: With this version of `mk_postgres.py` this configuration is allowed again, but it is not recommended. You view your instances, by creating a `psql` session and using the command C+: postgres-# \l C-: Additionally, Werk 15644 fixes the crash of the postgres_instances check.

11 months, 2 weeks

[2.3.0] Checkmk Werk 16141 created: Prevent notification in alert handler when notifications are disabled

by Checkmk werks level 1

Title: Prevent notification in alert handler when notifications are disabled Class: fix Compatible: compat Component: core Date: 1696417057 Edition: cre Knowledge: doc Level: 1 Version: 2.3.0b1 Previously, the alert handler would send notifications even if they were disabled through the master control. This issue has been resolved.

11 months, 2 weeks

[2.3.0] Checkmk Werk 16042 created: Change default number of host/service columns to 1

by Checkmk werks level 1

Title: Change default number of host/service columns to 1 Class: feature Compatible: compat Component: multisite Date: 1696411300 Edition: cre Knowledge: undoc Level: 1 Version: 2.3.0b1 To improve our users' overview on builtin views, the default number of host/service columns is changed from 3 to 1. Also, the according display option "Number of columns" is renamed to "Entries per row".

11 months, 2 weeks

[2.1.0] Checkmk Werk 16153 adapted: agents: Key ID now shown in the agent signature keys table

by Checkmk werks level 1

Werk 16153 was adapted. The following is the new Werk, a diff is shown at the end of the message. Title: agents: Key ID now shown in the agent signature keys table Class: fix Compatible: compat Component: agents Date: 1696234593 Edition: cre Knowledge: doc Level: 1 State: unknown Version: 2.1.0p35 This werk addresses an issue with the agent signature keys table. Previously, the only way you could get the key id of a signature key was to hover over the download icon. We now show the key ID as a new column in the table. ------------------------------------<diff>------------------------------------------- Title: agents: Key ID now shown in the agent signature keys table Class: fix Compatible: compat Component: agents Date: 1696234593 Edition: cre Knowledge: doc Level: 1 State: unknown - Version: 2.1.0p34 ? ^ + Version: 2.1.0p35 ? ^ This werk addresses an issue with the agent signature keys table. Previously, the only way you could get the key id of a signature key was to hover over the download icon. We now show the key ID as a new column in the table.

11 months, 2 weeks

[2.2.0] Checkmk Werk 16005 created: ups_power: Fix crash if power value does not contain an integer

by Checkmk werks level 1

Title: ups_power: Fix crash if power value does not contain an integer Class: fix Compatible: compat Component: checks Date: 1696242574 Edition: cre Knowledge: doc Level: 1 State: unknown Version: 2.2.0p11

11 months, 2 weeks

[2.3.0] Checkmk Werk 16005 created: ups_power: Fix crash if power value does not contain an integer

by Checkmk werks level 1

Title: ups_power: Fix crash if power value does not contain an integer Class: fix Compatible: compat Component: checks Date: 1696242574 Edition: cre Knowledge: doc Level: 1 Version: 2.3.0b1

11 months, 2 weeks

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Checkmk werks level1 October 2023