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ilm: Make per-tier stats available via admin-tier-info (#13381)

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This commit is contained in:
Krishnan Parthasarathi
2021-10-23 21:38:33 -04:00
committed by GitHub
parent 3b9dfa9d29
commit 939fbb3c38
12 changed files with 2029 additions and 386 deletions
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43
cmd/tier-handlers.go
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@@ -25,6 +25,7 @@ import (
"github.com/gorilla/mux"
jsoniter "github.com/json-iterator/go"
"github.com/minio/madmin-go"
"github.com/minio/minio/internal/config/storageclass"
"github.com/minio/minio/internal/logger"
iampolicy "github.com/minio/pkg/iam/policy"
)
@@ -60,6 +61,12 @@ var (
Message: "Invalid remote tier credentials",
StatusCode: http.StatusBadRequest,
}
// error returned when reserved internal names are used.
errTierReservedName = AdminError{
Code: "XMinioAdminTierReserved",
Message: "Cannot use reserved tier name",
StatusCode: http.StatusBadRequest,
}
)
func (api adminAPIHandlers) AddTierHandler(w http.ResponseWriter, r *http.Request) {
@@ -92,6 +99,12 @@ func (api adminAPIHandlers) AddTierHandler(w http.ResponseWriter, r *http.Reques
return
}
// Disallow remote tiers with internal storage class names
switch cfg.Name {
case storageclass.STANDARD, storageclass.RRS:
writeErrorResponseJSON(ctx, w, toAdminAPIErr(ctx, errTierReservedName), r.URL)
return
}
// Refresh from the disk in case we had missed notifications about edits from peers.
if err := globalTierConfigMgr.Reload(ctx, objAPI); err != nil {
writeErrorResponseJSON(ctx, w, toAdminAPIErr(ctx, err), r.URL)
@@ -191,3 +204,33 @@ func (api adminAPIHandlers) EditTierHandler(w http.ResponseWriter, r *http.Reque
writeSuccessNoContent(w)
}
func (api adminAPIHandlers) TierStatsHandler(w http.ResponseWriter, r *http.Request) {
ctx := newContext(r, w, "TierStats")
defer logger.AuditLog(ctx, w, r, mustGetClaimsFromToken(r))
if !globalIsErasure {
writeErrorResponseJSON(ctx, w, errorCodes.ToAPIErr(ErrNotImplemented), r.URL)
return
}
objAPI, _ := validateAdminReq(ctx, w, r, iampolicy.ListTierAction)
if objAPI == nil || globalNotificationSys == nil || globalTierConfigMgr == nil {
writeErrorResponseJSON(ctx, w, errorCodes.ToAPIErr(ErrServerNotInitialized), r.URL)
return
}
dui, err := loadDataUsageFromBackend(ctx, objAPI)
if err != nil {
writeErrorResponseJSON(ctx, w, toAdminAPIErr(ctx, err), r.URL)
return
}
data, err := json.Marshal(dui.tierStats())
if err != nil {
writeErrorResponseJSON(ctx, w, toAdminAPIErr(ctx, err), r.URL)
return
}
writeSuccessResponseJSON(w, data)
}