Update add_cloudfoundry_metadata to use debug log, add missing cache_duraction doc #16998
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What does this PR do?
Fixes an issue where the
add_cloudfoundry_metadata
process reported missing applications as a warning log. This spammed the logs of metricbeat and filebeat, because PCF has some applications that cannot be references from the API. This changes it to debug log, so its not own by default and can be turned on if the user wanted.Includes a drive-by fix for the missing
cache_duration
documentation on theadd_cloudfoundry_metadata
.Why is it important?
To not spam the logs with warning messages, that will always occur in PCF.
Checklist
I have made corresponding change to the default configuration filesI have added tests that prove my fix is effective or that my feature worksAuthor's Checklist
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