Status/health page (machine readable, json?) for monitoring systems

[oyvindhagberg]

• Machine readable page (json or xml?)
  • Must work with Zabbix which is in use at UiO
  • Must be generic enough to be useful with other types of monitoring systems

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Should give an overall status, one of three possible values (ok, warning, error)

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• The page should also give details for some possible metrics/variables:
  • Number of items in the incoming queue
  • Number of files that await parsing
  • The age of the last (newest) collected file
  • Throughput (files per minute)

[oyvindhagberg]

When the API function is in place, we can make a handlebar template that turns it into a webpage. So the same API can be used for external monitoring systems and for Nivlheim's internal status page.

[oyvindhagberg]

The front page (home page) of the application should show some of this information, preferrably as graphs/charts/symbols.

[oyvindhagberg]

• The status callback must be reset when navigating away from the status page.

[oyvindhagberg]

A few more data points are needed:

• Total number of files in the system
• Total number of "current" files in the system
• The "throughput" value should reflect all files coming into the system, even if they aren't processed because they haven't changed