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reload from drive tier-config when in-memory cache is not found (#19527)

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avoid probing tier target while reloading() tier config
This commit is contained in:
Harshavardhana
2024-04-16 22:09:58 -07:00
committed by GitHub
parent a8d601b64a
commit f65dd3e5a2
5 changed files with 25 additions and 21 deletions
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22
cmd/tier.go
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@@ -22,6 +22,7 @@ import (
"context"
"encoding/base64"
"encoding/binary"
"errors"
"fmt"
"math/rand"
"net/http"
@@ -218,7 +219,7 @@ func (config *TierConfigMgr) Add(ctx context.Context, tier madmin.TierConfig, ig
return errTierAlreadyExists
}
d, err := newWarmBackend(ctx, tier)
d, err := newWarmBackend(ctx, tier, true)
if err != nil {
return err
}
@@ -242,8 +243,11 @@ func (config *TierConfigMgr) Add(ctx context.Context, tier madmin.TierConfig, ig
// Remove removes tier if it is empty.
func (config *TierConfigMgr) Remove(ctx context.Context, tier string) error {
d, err := config.getDriver(tier)
d, err := config.getDriver(ctx, tier)
if err != nil {
if errors.Is(err, errTierNotFound) {
return nil
}
return err
}
if inuse, err := d.InUse(ctx); err != nil {
@@ -261,7 +265,7 @@ func (config *TierConfigMgr) Remove(ctx context.Context, tier string) error {
// Verify verifies if tier's config is valid by performing all supported
// operations on the corresponding warmbackend.
func (config *TierConfigMgr) Verify(ctx context.Context, tier string) error {
d, err := config.getDriver(tier)
d, err := config.getDriver(ctx, tier)
if err != nil {
return err
}
@@ -358,7 +362,7 @@ func (config *TierConfigMgr) Edit(ctx context.Context, tierName string, creds ma
cfg.MinIO.SecretKey = creds.SecretKey
}
d, err := newWarmBackend(ctx, cfg)
d, err := newWarmBackend(ctx, cfg, true)
if err != nil {
return err
}
@@ -382,7 +386,7 @@ func (config *TierConfigMgr) Bytes() ([]byte, error) {
}
// getDriver returns a warmBackend interface object initialized with remote tier config matching tierName
func (config *TierConfigMgr) getDriver(tierName string) (d WarmBackend, err error) {
func (config *TierConfigMgr) getDriver(ctx context.Context, tierName string) (d WarmBackend, err error) {
config.Lock()
defer config.Unlock()
@@ -398,7 +402,7 @@ func (config *TierConfigMgr) getDriver(tierName string) (d WarmBackend, err erro
if !ok {
return nil, errTierNotFound
}
d, err = newWarmBackend(context.TODO(), t)
d, err = newWarmBackend(ctx, t, false)
if err != nil {
return nil, err
}
@@ -462,6 +466,10 @@ func (config *TierConfigMgr) configReader(ctx context.Context) (*PutObjReader, *
// Reload updates config by reloading remote tier config from config store.
func (config *TierConfigMgr) Reload(ctx context.Context, objAPI ObjectLayer) error {
newConfig, err := loadTierConfig(ctx, objAPI)
config.Lock()
defer config.Unlock()
switch err {
case nil:
break
@@ -474,8 +482,6 @@ func (config *TierConfigMgr) Reload(ctx context.Context, objAPI ObjectLayer) err
return err
}
config.Lock()
defer config.Unlock()
// Reset drivercache built using current config
for k := range config.drivercache {
delete(config.drivercache, k)