Checkmk werks level1 January 2017

checkmk-werks-lvl1@lists.checkmk.com

12 participants
366 discussions

Check_MK Werk 8371: Instant reports now print the timerange specified in view filters

by Lars Michelsen

ID: 8371 Title: Instant reports now print the timerange specified in view filters Component: Reporting Level: 2 Class: Bug Fix Version: 1.2.7i4

7 years, 7 months

Check_MK Werk 8350: Real-time checks: Introducing checking in one second resolution

by Lars Michelsen

ID: 8350 Title: Real-time checks: Introducing checking in one second resolution Component: The Check_MK Micro Core Level: 2 Class: New Feature Version: 1.2.7i4 This release introduces a new feature named Real-time checks. With the new Real-time checks it is possible to monitor specific things a lot shorter intervals than the normal interval of 60 seconds. This feature has mainly been developed to get detailed graphs for some values which change often like for example the memory usage or CPU utilization. But not only the performance data is updated in this interval. The complete service state is updated which may also result in faster notifications. The Real-time checks are working like this: The core is listening on the network for incoming Real-time check results which are basically UDP packets sent by the agents in an interval of one second. This needds to be enabled using the configuration option <i>Global Settings > Enable handling of Real-Time Checks</i>. You need to configure the UDP port to listen on (6559 by default) and the secret which is used to decrypt the Real-time checks. This secret needs to be equal for the Check_MK server and all agents which are sending Real-time check results. The agents need to be configured to send Real-time check results. This can currently be done for the Linux and Windows Agents. On linux you need to create a file /etc/check_mk/real_time_checks.cfg with the following contents: F+:/etc/check_mk/real_time_checks.cfg RTC_TIMEOUT=90 RTC_PORT=6559 RTC_SECRET='hallo123' RTC_SECTIONS="" RTC_SECTIONS+="mem " RTC_SECTIONS+="cpu " F-: It is a good idea to reduce permissions on this file because it contains the real-time check secret which is shared between the Check_MK agent and the server to encrypt the transfered data. For example <tt>chmod 640 /etc/check_mk/real_time_checks.cfg</tt> is a good idea. On windows you need to add the following to the <tt>[global]</tt> section of your check_mk.ini and restart the Check_MK service: F+:check_mk.ini realtime_port = 6559 realtime_sections = mem winperf realtime_timeout = 90 passphrase = hallo123 F-: The agent is working as usual, waiting for connections from the Check_MK server. Once a Check_MK server is contacting the agent, the agent is responding with it's regular response. Now, when Real-time checks are enabled, the agent is sending one UDP packet for each enabled section per second to the host address which had queried the Check_MK agent, which is normally the Check_MK servers address. The data which can be processed as Real-time check is limited, so we limit the sections which can be send as Real-time checks. Currently you can enable only the <tt>mem</tt> and <tt>cpu</tt> sections on linux and <tt>mem</tt> and <tt>winperf</tt> on windows systems. This might be extended in the future. To get detailed graphs, you now need to configure your RRD databases to be able to store these detailed information. This can be done via the ruleset <i>Host & Service Parameters > Monitoring Configuration > Configuration of RRD databases of services</i>. You need to create a new rule and first need to ensure that you only apply the rule to checks which get real-time check information as the RRDs of these services need more disk space. So you should only select the CPU/Memory services of hosts which are sending Real-time check results. Then you need to configure this rule to have a 1 second precision for a duration of your choice. Just one example configuration for having: a) 1 second resolution for 4 hours b) 1 minute resolution for 2 days c) 5 minute resolution for 10 days d) 30 minute resolution for 90 days e) 6 hour resolution for 4 years You need to configure these numbers: C:+ Step (precision): 1 sec. RRA configuration: 50.0%, 1, 14400 50.0%, 60, 2880 50.0%, 300, 2880 50.0%, 1800, 4320 50.0%, 21600, 5840 C:- After you configured this, you need to run <tt>cmk --convert-rrds -v</tt> to convert the existing RRDs. After the conversion has finished and processing of the Real-time checks works correctly, you should see the service state, output and graphs e.g. of the "CPU utilisation" service updating in an interval of one second.

7 years, 7 months

Check_MK Werk 8359: Manage Extension Packages (MKPs) via WATO

by Mathias Kettner

ID: 8359 Title: Manage Extension Packages (MKPs) via WATO Component: WATO Level: 3 Class: New Feature Version: 1.2.7i4 WATO now has a new module for managing Check_MK Extension Packages (MKPs) via WATO. The new module helps you to create MKPs and also allows you to install MKPs (e.g. from <a href="http://exchange.check-mk.org">The Check_MK Exchange</a>. MKPs can also be distributed to your slave sites.

7 years, 7 months

Check_MK Werk 8360: Recurring downtimes now for nth day of month and xth weekday from beginning and end

by Mathias Kettner

ID: 8360 Title: Recurring downtimes now for nth day of month and xth weekday from beginning and end Component: Multisite Level: 2 Class: New Feature Version: 1.2.7i4 The recurring scheduled downtimes can now be set to appear always on the same day of the month, e.g. always on the first of the month. Also you can choose them to happen on each first, second, third or fourth Monday, Tuesday, etc. Also couting from the end of the month is possible, e.g. each last friday in the month.

7 years, 7 months

Check_MK Werk 8200: Notifications: New environment variables MAXSERVICEATTEMPTS, MAXHOSTATTEMPTS

by Andreas Boesl

ID: 8200 Title: Notifications: New environment variables MAXSERVICEATTEMPTS, MAXHOSTATTEMPTS Component: Notifications Level: 1 Class: New Feature Version: 1.2.7i4 These parameters are now available in notification scripts.

7 years, 7 months

Check_MK Werk 8391: Better column width layout for availability reports with more groups

by Mathias Kettner

ID: 8391 Title: Better column width layout for availability reports with more groups Component: Reporting Level: 1 Class: New Feature Version: 1.2.7i4 When you create a report containing an availability table and that table has more than one group then the column widths of each group would be different. This was not very beautiful. Now all numeric columns get a minimum width und thus the layout will be the same for all groups.

7 years, 7 months

Check_MK Werk 8375: Fixed PDF export of availability views (e.g. all hosts + one week timerange)

by Lars Michelsen

ID: 8375 Title: Fixed PDF export of availability views (e.g. all hosts + one week timerange) Component: Reporting Level: 1 Class: Bug Fix Version: 1.2.7i4 This kind of exception has been fixed: Traceback (most recent call last): File "/omd/sites/stable/share/check_mk/web/htdocs/index.py", line 254, in handler handler() File "/omd/sites/stable/share/check_mk/web/htdocs/reporting.py", line 1719, in page_instant render_report("instant", instant_report, rangespec=rangespec) File "/omd/sites/stable/share/check_mk/web/htdocs/reporting.py", line 1777, in render_report from_until, range_title = Timerange().compute_range(rangespec) File "/omd/sites/stable/share/check_mk/web/htdocs/valuespec.py", line 2238, in compute_range until_time = from_time UnboundLocalError: local variable 'from_time' referenced before assignment

7 years, 7 months

Check_MK Werk 8374: Custom icons and actions can now be assigned to active checks

by Lars Michelsen

ID: 8374 Title: Custom icons and actions can now be assigned to active checks Component: The Check_MK Micro Core Level: 1 Class: Bug Fix Version: 1.2.7i4

7 years, 7 months

Check_MK Werk 8373: Reports can now only be deleted when not refered by report scheduler schedules

by Lars Michelsen

ID: 8373 Title: Reports can now only be deleted when not refered by report scheduler schedules Component: Reporting Level: 1 Class: Bug Fix Version: 1.2.7i4

7 years, 7 months

Check_MK Werk 8392: Allow to add images to the normal element flow of a report

by Mathias Kettner

ID: 8392 Title: Allow to add images to the normal element flow of a report Component: Reporting Level: 1 Class: New Feature Version: 1.2.7i4 Up to now images could only be added as fixed page elements (useful for logos, etc.). Now you can put an image into the normal flow of elements. This allows you e.g. to embedd data from a third party application by creating some automated export into an image and placing that image under <tt>/omd/sites/mysite/local/share/check_mk/reporting/images/</tt>.

7 years, 7 months

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Checkmk werks level1 January 2017