Checkmk werks level1

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Check_MK Werk 1729: apc_symmetra_test: Cleaned up check, fixed exception when self test date is zero

by Lars Michelsen

ID: 1729 Title: apc_symmetra_test: Cleaned up check, fixed exception when self test date is zero Component: Checks & Agents Level: 1 Class: Bug Fix Version: 1.2.5i7

9 years, 9 months

Check_MK Werk 1728: cisco_temp_perf: Not inventorized anymore for hosts supporting cisco_temp_sensor

by Lars Michelsen

ID: 1728 Title: cisco_temp_perf: Not inventorized anymore for hosts supporting cisco_temp_sensor Component: Checks & Agents Level: 1 Class: Bug Fix Version: 1.2.5i7

9 years, 9 months

Check_MK Werk 1727: cisco_secure: Fixed inventory exception when port security is not enabled

by Lars Michelsen

ID: 1727 Title: cisco_secure: Fixed inventory exception when port security is not enabled Component: Checks & Agents Level: 1 Class: Bug Fix Version: 1.2.5i7

9 years, 9 months

Check_MK Werk 1723: New check API function get_average() as more intelligent replacement for get_counter()

by Mathias Kettner

ID: 1723 Title: New check API function get_average() as more intelligent replacement for get_counter() Component: Core & Setup Level: 2 Class: New Feature Version: 1.2.5i7 The function <tt>get_counter()</tt> is now deprecated in the programming of checks. There is a new function called <tt>get_rate()</tt> that should be used as a replacement. F+: def get_rate(countername, this_time, this_val, allow_negative=False, onwrap=SKIP): ... return rate F-: The call syntax is almostthe same - just with the new optional parameter <tt>onwrap</tt>. Important however: now just the rate (counter steps per second) is being returned. The formerly additional return value <tt>timedif</tt> has been dropped since it is of no real use. So the return type has changed from tuple to float. The most imporant change - however - is in the handling of counter wraps. A <i>counter wrap</i> happens in three situations: <ul> <li>When the counter is seen for the first time (initialization)</li> <li>When the previous value of the counter is larger than the new one</li> <li>When the time difference since the last counter update was less than one second</li> </ul> Wraps usually happen when a device reboots or when the valid range of the counter is exceeded and it wraps through again to zero. The old function <tt>get_counter()</tt> used to raise an exception of type <tt>MKCounterWrapped</tt>. This exception was handeld by the main core of Check_MK, which skipped that check for one cycle. The problem were checks with more than one counter: at the point of initialization the code of the check wasaborted after the first of these counters had been initialized. If you had 10 counters, you would need 10 check cycles until the first time a check result would be returned. So in order to avoid that the check had to catch the <tt>MKCounterWrapped</tt> itself and handle this situation - very ugly. The new function <tt>get_rate</tt> implements a different approach. Per default no exception is raised in case of a counter wrap, but simply the value <tt>0.00</tt> is being returned. But Check_MK keeps record of this wrap event. After the check function has completed (and all counters are handled), Check_MK creates <i>one final</i> <tt>MKCounterWrapped</tt> exception, so that the (invalid) check result is being skipped as it should be. This way the check programmers' burden is a reduced a bit because now even if the check has several counters he does not need to catch counter wraps. In order to give the check more flexibility there are two other behaviours, that can be selected by the optional argument <tt>onwrap</tt>: <table> <tr><th>onwrap</th><th>behaviour</th></tr> <tr><td class=tt>SKIP</td><td>Skip result of check, after all counters are handled (default)</td></tr> <tr><td class=tt>RAISE</td><td>Immediately raise a <tt>MKCounterWrapped</tt> exception (legacy behaviour)</td></tr> <tr><td class=tt>ZERO</td><td>Ignore the wrap and return a rate of 0.0 (be careful!)</td></tr> </table> Note: Using <tt>ZERO</tt> is generally <i>not</i> a good idea. This can make a service jump from CRIT to OK from now and then and generate bogus notifications.

9 years, 9 months

Check_MK Werk 1722: lnx_thermal: fix invalid zero temperature if mode file is missing

by Mathias Kettner

ID: 1722 Title: lnx_thermal: fix invalid zero temperature if mode file is missing Component: Checks & Agents Level: 1 Class: Bug Fix Version: 1.2.5i7

9 years, 9 months

Check_MK Werk 1695: brocade_vdx_status: Is now not bein inventorized anymore for devices not supporting the check

by Lars Michelsen

ID: 1695 Title: brocade_vdx_status: Is now not bein inventorized anymore for devices not supporting the check Component: Checks & Agents Level: 1 Class: Bug Fix Version: 1.2.5i7

9 years, 9 months

Check_MK Werk 1696: cisco_temp_sensor: Cleaned up value scaling (precision) code in check, should be more robust now

by Lars Michelsen

ID: 1696 Title: cisco_temp_sensor: Cleaned up value scaling (precision) code in check, should be more robust now Component: Checks & Agents Level: 1 Class: Bug Fix Version: 1.2.5i7

9 years, 9 months

Check_MK Werk 1694: cisco_wlc/cisco_wlc_clients: Added support for Cisco AIR-CT2504-K9

by Lars Michelsen

ID: 1694 Title: cisco_wlc/cisco_wlc_clients: Added support for Cisco AIR-CT2504-K9 Component: Checks & Agents Level: 1 Class: New Feature Version: 1.2.5i7

9 years, 9 months

Check_MK Werk 1721: dell_om_mem: Handle formerly unhandled situations with multiple errors

by Mathias Kettner

ID: 1721 Title: dell_om_mem: Handle formerly unhandled situations with multiple errors Component: Checks & Agents Level: 1 Class: Bug Fix Version: 1.2.5i7 Thanks for the bug report to Hermann Maurer.

9 years, 9 months

Check_MK Werk 1721: dell_om_mem: Handle formerly unhandled status code 3 (ECC single bit correction failure rate exceeded)

by Mathias Kettner

ID: 1721 Title: dell_om_mem: Handle formerly unhandled status code 3 (ECC single bit correction failure rate exceeded) Component: Checks & Agents Level: 1 Class: Bug Fix Version: 1.2.5i7 Thanks to Hermann Maurer.

9 years, 9 months

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