Checkmk werks level1 July 2018

checkmk-werks-lvl1@lists.checkmk.com

9 participants
109 discussions

Check_MK Werk 6315: mssql_backup: Fixed missing default levels

by Simon Betz

ID: 6315 Title: mssql_backup: Fixed missing default levels Component: Checks & agents Level: 2 Class: Bug fix Version: 1.6.0i1 Werk 6143 removed the empty default levels. The consequence was that all passive checks were gone because the default levels variable name was unknown to Check_MK und therefore the autochecks could not be read. This was introduced in Check_MK version in 1.5.0b8.

6 years, 1 month

Check_MK Werk 6355: Fix possible activation warning message about /etc/ssl/certs/localhost.crt certificate

by Lars Michelsen

ID: 6355 Title: Fix possible activation warning message about /etc/ssl/certs/localhost.crt certificate Component: WATO Level: 1 Class: Bug fix Version: 1.5.0b9 During configuration activation the "trusted certificates file" var/ssl/ca-certificates.crt is computed based on the configured global settings. In case the system certificates are trusted all certificates in /etc/ssl/certs are read. We found several RH/CentOS distros to have a /etc/ssl/certs/localhost.crt which seems to be some kind of default certificate for local servers. The files may have a permission of 600 which makes it not readable for the site user. This results in an activation warning like this: ca-certificates: Failed to add certificate '/etc/ssl/certs/localhost.crt' to trusted CA certificates. See web.log for details and these entries in the var/log/web.log: 2018-06-21 03:55:52,120 [40] [cmk.web 19066] /master/check_mk/wato.py Internal error: Traceback (most recent call last): File "/omd/sites/master/share/check_mk/web/htdocs/watolib.py", line 501, in _get_system_wide_trusted_ca_certificates trusted_cas.update(self._get_certificates_from_file(os.path.join(cert_path, entry))) File "/omd/sites/master/share/check_mk/web/htdocs/watolib.py", line 514, in _get_certificates_from_file return [ match.group(0) for match in self._PEM_RE.finditer(open(path).read()) ] IOError: [Errno 13] Permission denied: '/etc/ssl/certs/localhost.crt' Because this may be a standard configuration and affect a lot of users we decided to remove this warning for the /etc/ssl/certs/localhost.crt. In case you need this /etc/ssl/certs/localhost.crt to be added to the trusted CA certificates simply chown it to 644. It is a public certificate and not a secret.

6 years, 1 month

Check_MK Werk 6358: Fixed stale services on cluster nodes

by Lars Michelsen

ID: 6358 Title: Fixed stale services on cluster nodes Component: Core & setup Level: 2 Class: Bug fix Version: 1.6.0i1 When using Check_MK clusters it could happen that some of the services on a node went stale and remained in this state. In this situation you can find multiple messages in the cmc.log when using the CEE: 2018-07-21 12:47:52 [5] [Check_MK helper 4644] started, commandline: /omd/sites/beta/bin/cmk --keepalive 2018-07-21 12:48:42 [2] [Check_MK helper 4644] ignoring check result for lxclu1 / Filesystem /boot: no such service 2018-07-21 12:48:43 [4] [Check_MK helper 4644] restarting dead helper 2018-07-21 12:48:43 [5] [Check_MK helper 4644] exited normally The issue was triggered because the cluster nodes reported service check results for services which are assigned to the cluster using the "Clustered services" rule set. The problem could only happen when services of one check type were assigned to the cluster and the cluster node. For example in case you have at least one Filesystem service assigned to the node and at least one Filesystem service assigned to the cluster. This regression was introduced with 1.5.0b7 (Werk #5814).

6 years, 1 month

Check_MK Werk 6361: Fixed HTML fragments in customer column of views in PDF reports

by Lars Michelsen

ID: 6361 Title: Fixed HTML fragments in customer column of views in PDF reports Component: Reporting & Availability Level: 1 Class: Bug fix Version: 1.6.0i1 When a view that contains the customer column e.g. of a host, this column was containing HTML tags instead of just the customer name.

6 years, 1 month

Check_MK Werk 6356: New standard theme for Check_MK GUI

by Lars Michelsen

ID: 6356 Title: New standard theme for Check_MK GUI Component: Multisite Level: 3 Class: New feature Version: 1.6.0i1 The Check_MK GUI is now shipped with a new standard theme. This theme is enabled by default for all sites created with 1.5.0b9 or newer. Updated sites keep the classic theme by default. You can use the Global Setting "User Interface > UI Theme" for changing the default theme for you whole installation. Each user can change the theme on his user profile page.

6 years, 1 month

Check_MK Werk 6359: View "Export as PDF" results in empty PDFs

by Lars Michelsen

ID: 6359 Title: View "Export as PDF" results in empty PDFs Component: Reporting & Availability Level: 1 Class: Bug fix Version: 1.6.0i1 When showing a view that includes a graph and clicking on one of the small graph preview images (the ones for choosing another time range) and then using "Export as PDF" after that, this resulted in an empty PDF.

6 years, 1 month

Check_MK Werk 6125: mssql_connections: new check to monitor active connections of a MSSQL database

by Tom Baerwinkel

ID: 6125 Title: mssql_connections: new check to monitor active connections of a MSSQL database Component: Checks & agents Level: 1 Class: New feature Version: 1.6.0i1

6 years, 1 month

Check_MK Werk 6350: Fixed broken checking of unrelated hosts when using manual checks

by Lars Michelsen

ID: 6350 Title: Fixed broken checking of unrelated hosts when using manual checks Component: Core & setup Level: 1 Class: Bug fix Version: 1.6.0i1 When using the Check_MK Raw Edition it could happen that configuring manual checks for a host broke the check execution of unrelated hosts. The configuration of the manual check of all hosts was loaded into the context of such an unrelated host. Because a host only loads the check definitions of the checks it needs during checking, those manual check configurations were trying to access unavailable data. This lead to a crash and a "(null)" output shown for the "Check_MK" service.

6 years, 1 month

Check_MK Werk 6349: Fixed not working "manual checks" in Check_MK Raw Edition

by Lars Michelsen

ID: 6349 Title: Fixed not working "manual checks" in Check_MK Raw Edition Component: Core & setup Level: 1 Class: Bug fix Version: 1.6.0i1 Manual checks, often used for "process checks" were not executed when using the Check_MK Raw Edition. All configured manual checks became stale after some time and were never checked.

6 years, 1 month

Check_MK Werk 6123: fsc_sc2_fans, fsc_sc2_power_consumption, fsc_sc2_psu, fsc_sc2_temp, fsc_sc2_voltage: avoid crashes when values values are missing in the SNMP walk

by Tom Baerwinkel

ID: 6123 Title: fsc_sc2_fans, fsc_sc2_power_consumption, fsc_sc2_psu, fsc_sc2_temp, fsc_sc2_voltage: avoid crashes when values values are missing in the SNMP walk Component: Checks & agents Level: 1 Class: Bug fix Version: 1.6.0i1

6 years, 1 month

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Checkmk werks level1 July 2018