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Add Support for Cache and S3 related metrics in Prometheus endpoint (#8591)

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This PR adds support below metrics

- Cache Hit Count
- Cache Miss Count
- Data served from Cache (in Bytes)
- Bytes received from AWS S3
- Bytes sent to AWS S3
- Number of requests sent to AWS S3

Fixes #8549
This commit is contained in:
Nitish Tiwari
2019-12-06 12:46:06 +05:30
committed by Harshavardhana
parent d2dc964cb5
commit 3df7285c3c
32 changed files with 400 additions and 86 deletions
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4
cmd/bucket-handlers.go
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@@ -214,7 +214,7 @@ func (api objectAPIHandlers) ListMultipartUploadsHandler(w http.ResponseWriter,
if keyMarker != "" {
// Marker not common with prefix is not implemented.
if !hasPrefix(keyMarker, prefix) {
if !HasPrefix(keyMarker, prefix) {
writeErrorResponse(ctx, w, errorCodes.ToAPIErr(ErrNotImplemented), r.URL, guessIsBrowserReq(r))
return
}
@@ -750,7 +750,7 @@ func (api objectAPIHandlers) PostPolicyBucketHandler(w http.ResponseWriter, r *h
return
}
if objectAPI.IsEncryptionSupported() {
if crypto.IsRequested(formValues) && !hasSuffix(object, SlashSeparator) { // handle SSE requests
if crypto.IsRequested(formValues) && !HasSuffix(object, SlashSeparator) { // handle SSE requests
if crypto.SSECopy.IsRequested(r.Header) {
writeErrorResponse(ctx, w, toAPIError(ctx, errInvalidEncryptionParameters), r.URL, guessIsBrowserReq(r))
return