[8.x](backport #41570) Metricbeat: add configurable failure threshold before reporting streams as degraded #41685
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…ms as degraded (#41570) * Metricbeat: add configurable failure threshold before reporting streams as degraded With this change it is possible to configure a threshold for the number of consecutive errors that may happen while fetching metrics for a given stream before the stream gets marked as DEGRADED. To configure such threshold, add a "failure_threshold": <n> to a module configuration block. Depending on the value of <n> the threshold will be configured in different ways: n == 0: status reporting for the stream has been disabled, the stream will never become DEGRADED no matter how many errors are encountered while fetching metrics n==1 or failure_threshold not specified: backward compatible behavior, the stream will become DEGRADED at the first error encountered n > 1: stream will become DEGRADED after at least n consecutive errors have been encountered When a fetch operation completes without errors the consecutive errors counter is reset and the stream is set to HEALTHY. (cherry picked from commit f84c05b)
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Proposed commit message
Add configurable failure threshold before reporting streams as degraded
With this change it is possible to configure a threshold for the number of consecutive errors that may happen while fetching metrics for a given stream before the stream gets marked as DEGRADED.
To configure such threshold, add a
"failure_threshold": <n>to a module configuration block.Depending on the value of
<n>the threshold will be configured in different ways:failure_thresholdnot specified: backward compatible behavior, the stream will become DEGRADED at the first error encounterednconsecutive errors have been encounteredWhen a
fetchoperation completes without errors the consecutive errors counter is reset and the stream is set to HEALTHY.Checklist
[ ] I have made corresponding change to the default configuration files[ ] I have added an entry inCHANGELOG.next.asciidocorCHANGELOG-developer.next.asciidoc.Disruptive User Impact
No disruptive user impact since not specifying the new configuration key maintains the previous behavior
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This is an automatic backport of pull request #41570 done by [Mergify](https://mergify.com).