Checkmk werks level1 May 2017

checkmk-werks-lvl1@lists.checkmk.com

10 participants
120 discussions

Check_MK Werk 4568: mk_inventory.vbs: fixed getNetworkAdpater function to prevent errors caused by null arrays

by Marcel Schulte

ID: 4568 Title: mk_inventory.vbs: fixed getNetworkAdpater function to prevent errors caused by null arrays Component: HW/SW Inventory Level: 2 Class: Bug fix Version: 1.5.0i1

7 years, 3 months

Check_MK Werk 4567: inventory of interfaces: prevent showing negative last_state_change value

by Marcel Schulte

ID: 4567 Title: inventory of interfaces: prevent showing negative last_state_change value Component: HW/SW Inventory Level: 2 Class: Bug fix Version: 1.5.0i1 On SNMP devices sysUpTime is a 32-bit counter and will roll over after 496 days. ifLastChange is the timestamp from sysUpTime when the state changed. At inventory time we got a negative value if sysUpTime was smaller then ifLastChange (because it rolled over) using the normal formula. If sysUpTime is smaller than ifLastChange we add 496 days for the rollover now. When the device reboots all last_state_change values are set to 0 by the device so those cases are not affected by the fix.. Beware there's no way to get the count of times the sysUpTime counter rolled over so the last_state_change is not accurate in case it's in real more than 496 days ago. ...but this situation has never been different. This fix just removes another error in shown values.

7 years, 3 months

Check_MK Werk 4690: Fixed handling of state changes when cmcdump is used

by Sven Panne

ID: 4690 Title: Fixed handling of state changes when cmcdump is used Component: Core & setup Level: 1 Class: Bug fix Version: 1.5.0i1 State changes coming in via cmcdump were always considered "hard" state changes, leading to superfluous logging in the history file and wrong alerts. This has been fixed.

7 years, 3 months

Check_MK Werk 4746: Fixed using HW/SW inventory filters in views without inventory painters

by Lars Michelsen

ID: 4746 Title: Fixed using HW/SW inventory filters in views without inventory painters Component: Multisite Level: 1 Class: Bug fix Version: 1.5.0i1 When adding a HW/SW inventory related filter to a view without adding a sorter or painter, this resulted in a KeyError exception.

7 years, 3 months

Check_MK Werk 4734: check_mail check_mail_loop check_mailboxes check_sql: Passwords from password store were not used correctly

by Lars Michelsen

ID: 4734 Title: check_mail check_mail_loop check_mailboxes check_sql: Passwords from password store were not used correctly Component: Checks & agents Level: 1 Class: Bug fix Version: 1.5.0i1

7 years, 3 months

Check_MK Werk 4735: check_mailboxes: Fixed broken check when setting "connect timeout" option

by Lars Michelsen

ID: 4735 Title: check_mailboxes: Fixed broken check when setting "connect timeout" option Component: Checks & agents Level: 1 Class: Bug fix Version: 1.5.0i1

7 years, 3 months

Check_MK Werk 4689: Fixed buffer overflow when importing cmcdump data

by Sven Panne

ID: 4689 Title: Fixed buffer overflow when importing cmcdump data Component: Core & setup Level: 2 Class: Bug fix Version: 1.5.0i1 When importing data from cmcdump into the Check_MK Micro Core, a buffer for the long plugin output was too small, leading to a buffer overflow with unpredictable consequences. The affected COMMANDs on the Livestatus interface were UPDATE_SHADOW_HOST_STATE and UPDATE_SHADOW_SERVICE_STATE. This has been fixed.

7 years, 3 months

Check_MK Werk 4733: Check_MK graphs can now be exported as PNG images

by Lars Michelsen

ID: 4733 Title: Check_MK graphs can now be exported as PNG images Component: metrics Level: 2 Class: New feature Version: 1.5.0i1 It is now possible to export the Check_MK graphs as static PNG images. This mechanism can be used to to integrate the graphs in 3rd party tools. For example, you can use it to add graphs to NagVis maps or to the hover menu of NagVis. The new page is named <tt>graph_image.py</tt>. The page is receiving a single request parameter that is structured equal to the JSON/python graph API (See werk #8643). The request object is structured like this: F+: { "specification": [..., ...], "data_range": { "time_range" : [..., ...], } } F-: The specification is using the Check_MK internal graph specification format. The first element is the specification type (<tt>template</tt>, <tt>custom</tt> or <tt>explicit</tt>. The structure of the second element depends on the type. Please take a look at the examples below to get an idea of it. The time range is given in two unix timestamps, the start time and the end time. But the whole <tt>data_range</tt> specification is optional. In case you don't provide it, the 25h graph will be rendered. The answer to this request is a single, dynamically rendered, PNG image. Please note that this request is done in the context of the currently logged in user. So the user that opens a page containing this snippet needs to be authenticated with the Check_MK GUI and able to see the image. Otherwise the user won't be able to see the image. The most common use case will be to add the image generated by this. The following snippets show how it can be embedded: F+: <img src="http://mycmkserver/mysite/check_mk/graph_image.py?request={%22specification…"> F-: This will try to open the image from the Check_MK site <tt>mysite</tt> on the server <tt>mycmkserver</tt>. The graph is specified by the following request object in URL encoded form: F+: { "specification": ["template", { "service_description": "CPU load", "site": "mysite", "host_name": "myhost" }] } F-: It is also possible to adapt the rendering attributes of the graph using the <tt>render_options</tt> data structure. This example hides the legend and the title of the graph and sets a custom image size: F+: <img src="http://mycmkserver/mysite/check_mk/graph_image.py?request={%22specification…"> F-: Again, the human friendly formated request object: F+: { "specification": ["template", { "service_description": "CPU load", "site": "mysite", "host_name": "myhost" }], "render_options": { "show_legend": false, "show_title": false, "size": [ 50, 15 ] } } F-: In case you want to render custom graphs, you can use a specification like this in your request. Replace <tt>custom_graph_1</tt> with the ID of the custom graph you like to see: F+: ["custom", "custom_graph_1"] F-:

7 years, 3 months

Check_MK Werk 8289: wagner_titanus_topsense.smoke: Adapted levels to be more user friendly

by Sven Rueß

ID: 8289 Title: wagner_titanus_topsense.smoke: Adapted levels to be more user friendly Component: Checks & agents Level: 1 Class: Bug fix Version: 1.5.0i1 Adapted levels to be more user friendly: <ul> <li>ok: <= 3%</li> <li>warn: > 3% and <= 5%</li> <li>crit: > 5%</li> </ul>

7 years, 3 months

Check_MK Werk 4732: systemd: Don't kill child processes of the agent

by Lars Michelsen

ID: 4732 Title: systemd: Don't kill child processes of the agent Component: Checks & agents Level: 1 Class: Bug fix Version: 1.5.0i1 When running the Check_MK agent via systemd the asynchronous executed agent plugins and real time checks were not working correctly since the systemd was terminating all child processes after the agent finished. The systemd configuration has now been changed to let the child processes be alive after the agent exited.

7 years, 3 months

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Checkmk werks level1 May 2017