Checkmk werks level2

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Checkmk Werk 10290: Temperature check GUI: fix rendering crash when rules are set

by Christoph Rauch

ID: 10290 Title: Temperature check GUI: fix rendering crash when rules are set Component: WATO Level: 2 Class: Bug fix Version: 1.7.0i1 10290 FIX Temperature check: fix rendering crash and reporting mismatch When a check sends a device-specific levels in a specific format the temperature rendering function of the service display could crash due to a type mismatch. This werk fixes this crash. Upon fixing this crash another bug was discovered and fixed. In the case of user specified levels being set and the service being in mode "Use your own levels if present, otherwise the device's", the device levels were not ignored and thus the wrong levels were checked. This is now fixed as well. No additional action is needed.

4 years, 10 months

Checkmk Werk 10197: Windows Agent can configure Windows Firewall

by Sergey Kipnis

ID: 10197 Title: Windows Agent can configure Windows Firewall Component: Checks & agents Level: 2 Class: New feature Version: 1.7.0i1 Previously Windows Firewall can prevent a connection to the Windows Agent(this is the behavior by default) thus forcing a system administrator to configure potentially every host with Windows Agent installed. Now Windows Agent can configure the Windows Firewall self. There are two possibilities: - For Windows Agent service you may edit Checkmk configuration file adding at the end: C+: system: firewall: mode: configure C-: and restart the Agent service or trigger a configuration reload. - For exe file, for example, <tt>\path\to\check_mk_agent.exe<\tt> using command line <tt>\path\to\check_mk_agent.exe fw -configure<\tt> will configure Firewall correctly for <tt>\path\to\check_mk_agent.exe<\tt> It is possible to make the agent remove the firewall configuration by setting the mode option to "clear" in the agent configuration file or by executing the command <tt>\path\to\check_mk_agent.exe fw -clear<\tt>

4 years, 10 months

Checkmk Werk 10428: Distributed Agent Updates

by Andreas Umbreit

ID: 10428 Title: Distributed Agent Updates Component: agents Level: 2 Class: New feature Version: 1.7.0i1 It is now possible to deploy baked agents via remote sites within a distributed monitoring configuration. Prerequisites for this feature are a monitoring setup using distributed WATO and the possibility to establish a connection from remote sites to the central site via HTTP/HTTPS. This feature is realized as follows: Update requests to the remote sites get forwarded to the central site – The entire configuration and the agent baking process is done on the central site. Agent packages that got requested once at a remote site will get cached (as long as they are valid) there to save unnecessary traffic. Additionally, the requested data will be checked for consistency on the remote site, again to save unnecessary traffic to the central site. In contrast to a single-site-setup, the update server for a host doesn't come exclusively from the agent updater ruleset, but gets transmitted to the host on it's registration and update requests. A host will receive the Checkmk site that it is monitored on as it's update server. Putting this together, an input of a Checkmk-server is only needed once on registration. If a connection to the automatic update server is failing, the previously saved server (from agent updater ruleset or from manual registration) will be contacted as a fallback. This feature also introduces a faciliated agent updater ruleset configuration - especially when it comes to HTTPS handling - and some additional global settings that have to be configured to enable the distributed agent updates. All new or adapted configuration values get migrated in a way that maintains the behavior of an existing agent updater ruleset. For details about configuration and how to enable (or disable) this new feature, please have a look at the <a href="https://checkmk.com/cms_agent_deployment.html"> Automatic Agent Updates</a> article at the official Checkmk guide.

4 years, 10 months

Checkmk Werk 10299: zerto: special agent and check for zerto rpo monitoring

by Wontek Hong

ID: 10299 Title: zerto: special agent and check for zerto rpo monitoring Component: Checks & agents Level: 2 Class: New feature Version: 1.7.0i1 This change allows the configuration of the Zerto Special Agent which in turn allows retrieval and monitoring of RPO data. The required credentials can be specified using a WATO rule.

4 years, 10 months

Checkmk Werk 10296: timesyncd: time synchronisation check using systemd timesyncd service

by Wontek Hong

ID: 10296 Title: timesyncd: time synchronisation check using systemd timesyncd service Component: Checks & agents Level: 2 Class: New feature Version: 1.7.0i1 This check behaves simarly to the already existing ntp check. It uses the output of {timedatectl timesync-status} as sent by the agent. It lists the information of the synchronised time server including the server address, stratum, offset and jitter. On a running instance the time is synchronised either using ntp or timesyncd. The agent therefore determines the correct service and the respective check to use.

4 years, 11 months

Checkmk Werk 10286: Netapp API Environment Check: check temperatures, fans, voltages and currents

by Christoph Rauch

ID: 10286 Title: Netapp API Environment Check: check temperatures, fans, voltages and currents Component: Checks & agents Level: 3 Class: New feature Version: 1.7.0i1 This werk adds the detection and checking of all detected fans, temperature, voltage and current probes. The services (except the fan probes) will monitor the pre-determined high and low levels (for warning and critical) given by the API for each device and {WARN} or {CRIT} if the measured level is too high. To monitor these new services only a service discovery of the host is needed. For the fans, discrete checks are created which will {CRIT} if the sensor-state differs from "normal". There is no additional configuration.

4 years, 11 months

Checkmk Werk 10157: Now using /dev/null instead of closing stdin in all POSIX agents

by Moritz Kiemer

ID: 10157 Title: Now using /dev/null instead of closing stdin in all POSIX agents Component: Checks & agents Level: 2 Class: Bug fix Version: 1.7.0i1 Some programs might not be working when stdin is closed. A more portable approach seems to use /dev/null as stdin.

4 years, 11 months

Checkmk Werk 10120: Fixed error handling in automation calls

by Sven Panne

ID: 10120 Title: Fixed error handling in automation calls Component: WATO Level: 2 Class: Bug fix Version: 1.7.0i1 Under various circumstances, diagnostic output from automation calls (like warnings etc.) got mangled with the result of the automation call itself. This could break various things, e.g. activation on changes on local and remote sites. This has been fixed, the diagnostic output is redirected to var/log/web.log now.

4 years, 11 months

Checkmk Werk 10311: Support for Red Hat 8 / CentOS 8

by Alex Zurhake

ID: 10311 Title: Support for Red Hat 8 / CentOS 8 Component: Linux Distributions Level: 2 Class: New feature Version: 1.7.0i1

4 years, 11 months

Checkmk Werk 10119: Fixed CMC config generation in the presence of non-ASCII characters.

by Sven Panne

ID: 10119 Title: Fixed CMC config generation in the presence of non-ASCII characters. Component: config Level: 3 Class: Bug fix Version: 1.7.0i1 Non-ASCII characters in various places (e.g. group names) caused a failure in the CMC config generation. This was a regression in 1.6.0 and has been fixed now.

4 years, 11 months

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Checkmk werks level2