[receiver/httpcheck] Always emit httpcheck.error metric on successful checks #46026
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… checks Record httpcheck.error=0 with an empty error.message on successful HTTP checks so that the metric is consistently present regardless of outcome.
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Description
Record httpcheck.error=0 with an empty error.message on successful HTTP checks so that the metric is consistently present regardless of outcome.
Otherwise it's hard to create alerts based on this metric because you can't differentiate between missing data and a healthy state