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perf: skip db tx for get, head and options api requests (#14837)

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Signed-off-by: He Weiwei <hweiwei@vmware.com>
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He Weiwei 2021-05-11 10:54:15 +08:00 committed by GitHub
parent e006f4bab5
commit 0d7250f83d
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1 changed files with 6 additions and 6 deletions
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12
src/core/middlewares/middlewares.go
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@ -15,7 +15,6 @@
package middlewares
import (
"github.com/goharbor/harbor/src/lib"
"net/http"
"regexp"
@ -43,17 +42,18 @@ var (
// which will make ping request timeout, so skip the middlewares which will require DB conn.
pingSkipper = middleware.MethodAndPathSkipper(http.MethodGet, match("^/api/v2.0/ping"))
// dbTxSkippers skip the transaction middleware for GET Blob, PATCH Blob Upload and PUT Blob Upload APIs
// dbTxSkippers skip the transaction middleware for PATCH Blob Upload, PUT Blob Upload and `Read` APIs
// because the APIs may take a long time to run, enable the transaction middleware in them will hold the database connections
// until the API finished, this behavior may eat all the database connections.
// There are no database writing operations in the GET Blob and PATCH Blob APIs, so skip the transaction middleware is all ok.
// There are no database writing operations in the PATCH Blob APIs, so skip the transaction middleware is all ok.
// For the PUT Blob Upload API, we will make a transaction manually to write blob info to the database when put blob upload successfully.
dbTxSkippers = []middleware.Skipper{
middleware.MethodAndPathSkipper(http.MethodGet, distribution.BlobURLRegexp),
middleware.MethodAndPathSkipper(http.MethodPatch, distribution.BlobUploadURLRegexp),
middleware.MethodAndPathSkipper(http.MethodPut, distribution.BlobUploadURLRegexp),
middleware.MethodAndPathSkipper(http.MethodGet, lib.V2CatalogURLRe),
pingSkipper,
func(r *http.Request) bool { // skip tx for GET, HEAD and Options requests
m := r.Method
return m == http.MethodGet || m == http.MethodHead || m == http.MethodOptions
},
}
// readonlySkippers skip the post request when harbor sets to readonly.