Checkmk werks level1 November 2022

checkmk-werks-lvl1@lists.checkmk.com

27 participants
96 discussions

Checkmk Werk 14900: Make "Customize views" options more understandable

by Ronny Bruska

ID: 14900 Title: Make "Customize views" options more understandable Component: Multisite Level: 1 Class: New feature Version: 2.2.0i1 This werk adjusts the menu entries in "Display" when viewing views. Until now it was not really visible to users if they edited views of other users (this needs the permission "Edit foreign views"). The menu entries, shown if you visit a view, were adjusted as follows: * "Clone builtin view" for builtin views * "Edit my view" for customized views of the current user * "Clone view" for views of other users (without permission "Edit foreign views") * "Edit view of user X" and "Clone view" for views of other users (with permission) The last mentioned example should give users the option to optional make a copy of the current view instead of editing the view of another user.

1 year, 11 months

Checkmk Werk 14828: Docker agent plugin: Handle race conditions caused by removed containers

by Joerg Herbel

ID: 14828 Title: Docker agent plugin: Handle race conditions caused by removed containers Component: Checks & agents Level: 1 Class: Bug fix Version: 2.2.0i1 As of this werk, the docker agent plugin handles the following two race conditions: LI: Removal of a container exactly at the time when the agent plugin attempts to query container statistics (CPU usage etc.). Before this werk, depending on the docker version, the plugin crashed with either <tt>requests.exceptions.JSONDecodeError</tt> or <tt>json.decoder.JSONDecodeError</tt>. LI: For old docker versions only (eg. 1.31): Removal of a container in between querying the list of containers on the target system and subsequently querying the individual containers. For newer docker versions, the agent plugin already handled this race condition before this werk. Note that users have to update the agent plugin on affected systems in order to benefit from this werk.

1 year, 11 months

Checkmk Werk 14634: cpu_load: Check plugin used to crash if the number of cpus was 0

by LukaRacic

ID: 14634 Title: cpu_load: Check plugin used to crash if the number of cpus was 0 Component: Checks & agents Level: 1 Class: Bug fix Version: 2.2.0i1 The check plugin used to crash if the number of cpus was 0. Now, if that is the case, it assumed that the number of cpus is 1.

1 year, 11 months

Checkmk Werk 14853: Add auto deleted events to history

by Konstantin Baikov

ID: 14853 Title: Add auto deleted events to history Component: metrics Level: 1 Class: Bug fix Version: 2.2.0i1 Before this change if the number of events reached a limit (rule or global) they were deleted, but without an entry in history. Now the proper history is recorded

1 year, 11 months

Checkmk Werk 14879: cisco: remove crashing services for cisco_cpu_multiitem & cisco_fru_module_status

by Wontek Hong

ID: 14879 Title: cisco: remove crashing services for cisco_cpu_multiitem & cisco_fru_module_status Component: Checks & agents Level: 1 Class: Bug fix Version: 2.2.0i1 Prior to this werk, services for cisco_cpu_multiitem & cisco_fru_module_status were wrongly discovered despite not having any relevant monitoring information. This werk adjusts the discovery function for these services. The user should perform a service discovery in order to remove crashing services.

1 year, 11 months

Checkmk Werk 14630: 3par_hosts: Check plugin would crash if no FC paths or no iSCSI paths were available

by LukaRacic

ID: 14630 Title: 3par_hosts: Check plugin would crash if no FC paths or no iSCSI paths were available Component: Checks & agents Level: 1 Class: Bug fix Version: 2.2.0i1 The check plugin used to crash if there were no FC paths or no iSCSI paths available in the output. This has now been fixed.

1 year, 11 months

Checkmk Werk 14983: Extension packages: "Internal error: Package is not enabled"

by Moritz Kiemer

ID: 14983 Title: Extension packages: "Internal error: Package is not enabled" Component: Checks & agents Level: 1 Class: Bug fix Version: 2.2.0i1 This fixes a regression in Checkmk versions 2.0.0p29 and Checkmk version 2.1.0p16, where after an upgrade packages could not be disabled.

1 year, 11 months

Checkmk Werk 14566: <tt>datadog_monitors</tt>: Allow empty custom messages

by Solomon Jacobs

ID: 14566 Title: <tt>datadog_monitors</tt>: Allow empty custom messages Component: Checks & agents Level: 1 Class: Bug fix Version: 2.2.0i1 Previously, the check <tt>datadog_monitors</tt> would crash with a <tt>ValueError</tt> if there were any Datadog monitors with an empty message. With this werk, <tt>No message</tt> is shown if the message is empty.

1 year, 11 months

Checkmk Werk 14982: Agent Encryption: Simplify configuration

by Moritz Kiemer

ID: 14982 Title: Agent Encryption: Simplify configuration Component: Checks & agents Level: 1 Class: New feature Version: 2.2.0i1 This is the second of two Werks to simplify the configuration of the agent encryption. The former ruleset "Encryption (Linux, Windows)" is split up in three rulesets: The pre-shared secret used for the OpenSSH based encryption is configured in the ruleset "Symmetric encryption (Linux, Windows)". This is the only parameter that is configured here. If it is set, the agent shall send encrypted data using this secret. By default, no such encryption is applied. This is a boiled down version of the original ruleset. No user interaction is required when updating. The real-time check related parameters are moved to the dedicated ruleset. See <a href='https://checkmk.com/de/werk/14652'>Werk #14652</a> for details on how this is incompatible. The server side handling of (un)encrypted data is configured in the new ruleset Enforce agent data encryption. Users can choose how to deal with unencrypted data: use it, or discard it. This configration option is extended, as we now differentiate between TLS encryption and the OpenSSH based symmetric encryption. TLS encrypted data is always considered to be ok, which leaves us with three options: LI: "Accept TLS encrypted connections only": All other connections are cosed, and the Check_MK service goes to {CRIT}. Note that by the time we notice that the connection is unencrypted, the unencrypted data is already sent over the network. LI: "Accept all types of encryption": TLS encrypted and symmetrically encrypted data is accepted. Unencrypted data is discarded, and the Check_MK service goes to {CRIT}. LI: "Accept all incoming data, including unencrypted": This is (and has been) the default. During update, rules reflecting your current setup are created automatically, no user interaction is required. Note that for users of the agent controller, the configuration of the pre-shared secret is not only unneccessary, but also counter productive: It renders the compression implemented in the controller ineffective.

1 year, 11 months

Checkmk Werk 14565: <tt>inv_if</tt>: Fix crash on innovaphone IP811

by Solomon Jacobs

ID: 14565 Title: <tt>inv_if</tt>: Fix crash on innovaphone IP811 Component: Checks & agents Level: 1 Class: Bug fix Version: 2.2.0i1 Previously, the inventory plugin <tt>inv_if</tt> would crash while inventorizing interfaces on a innovaphone IP811 with the message C+: Parsing of section inv_if failed C-: This could potentially happen on other devices, if they report 'NULL' to indicate missing values. With this werk, interfaces with this kind of missing information are omitted.

1 year, 11 months

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Checkmk werks level1 November 2022