tier: Add support of SP credentials with Azure (#18630)

Co-authored-by: Anis Elleuch <anis@min.io>

cmd/warm-backend-azure.go

@@ -26,8 +26,11 @@ import (
 	"net/http"
 	"net/url"
 	"strings"
+	"time"
 
 	"github.com/Azure/azure-storage-blob-go/azblob"
+	"github.com/Azure/go-autorest/autorest/adal"
+	"github.com/Azure/go-autorest/autorest/azure"
 	"github.com/minio/madmin-go/v3"
 )
 
@@ -108,8 +111,53 @@ func (az *warmBackendAzure) InUse(ctx context.Context) (bool, error) {
 	return false, nil
 }
 
+func newCredentialFromSP(conf madmin.TierAzure) (azblob.Credential, error) {
+	oauthConfig, err := adal.NewOAuthConfig(azure.PublicCloud.ActiveDirectoryEndpoint, conf.SPAuth.TenantID)
+	if err != nil {
+		return nil, err
+	}
+	spt, err := adal.NewServicePrincipalToken(*oauthConfig, conf.SPAuth.ClientID, conf.SPAuth.ClientSecret, azure.PublicCloud.ResourceIdentifiers.Storage)
+	if err != nil {
+		return nil, err
+	}
+
+	// Refresh obtains a fresh token
+	err = spt.Refresh()
+	if err != nil {
+		return nil, err
+	}
+
+	tc := azblob.NewTokenCredential(spt.Token().AccessToken, func(tc azblob.TokenCredential) time.Duration {
+		err := spt.Refresh()
+		if err != nil {
+			return 0
+		}
+		// set the new token value
+		tc.SetToken(spt.Token().AccessToken)
+
+		// get the next token before the current one expires
+		nextRenewal := float64(time.Until(spt.Token().Expires())) * 0.8
+		if nextRenewal <= 0 {
+			nextRenewal = float64(time.Second)
+		}
+
+		return time.Duration(nextRenewal)
+	})
+
+	return tc, nil
+}
+
 func newWarmBackendAzure(conf madmin.TierAzure, _ string) (*warmBackendAzure, error) {
-	credential, err := azblob.NewSharedKeyCredential(conf.AccountName, conf.AccountKey)
+	var (
+		credential azblob.Credential
+		err        error
+	)
+
+	if conf.IsSPEnabled() {
+		credential, err = newCredentialFromSP(conf)
+	} else {
+		credential, err = azblob.NewSharedKeyCredential(conf.AccountName, conf.AccountKey)
+	}
 	if err != nil {
 		if _, ok := err.(base64.CorruptInputError); ok {
 			return nil, errors.New("invalid Azure credentials")

go.mod

@@ -5,6 +5,8 @@ go 1.19
 require (
 	cloud.google.com/go/storage v1.35.1
 	github.com/Azure/azure-storage-blob-go v0.15.0
+	github.com/Azure/go-autorest/autorest v0.11.29
+	github.com/Azure/go-autorest/autorest/adal v0.9.22
 	github.com/IBM/sarama v1.42.1
 	github.com/alecthomas/participle v0.7.1
 	github.com/bcicen/jstream v1.0.1
@@ -49,7 +51,7 @@ require (
 	github.com/minio/dperf v0.5.2
 	github.com/minio/highwayhash v1.0.2
 	github.com/minio/kes-go v0.2.0
-	github.com/minio/madmin-go/v3 v3.0.36
+	github.com/minio/madmin-go/v3 v3.0.37-0.20231211192618-d20cff0b11d9
 	github.com/minio/minio-go/v7 v7.0.65-0.20231122233251-1f7dd6b7e3e1
 	github.com/minio/mux v1.9.0
 	github.com/minio/pkg/v2 v2.0.5-0.20231205011044-ec6b8d58893a
@@ -105,6 +107,10 @@ require (
 	cloud.google.com/go/compute/metadata v0.2.3 // indirect
 	cloud.google.com/go/iam v1.1.5 // indirect
 	github.com/Azure/azure-pipeline-go v0.2.3 // indirect
+	github.com/Azure/go-autorest v14.2.0+incompatible // indirect
+	github.com/Azure/go-autorest/autorest/date v0.3.0 // indirect
+	github.com/Azure/go-autorest/logger v0.2.1 // indirect
+	github.com/Azure/go-autorest/tracing v0.6.0 // indirect
 	github.com/Azure/go-ntlmssp v0.0.0-20221128193559-754e69321358 // indirect
 	github.com/VividCortex/ewma v1.2.0 // indirect
 	github.com/acarl005/stripansi v0.0.0-20180116102854-5a71ef0e047d // indirect
@@ -171,7 +177,7 @@ require (
 	github.com/lestrrat-go/blackmagic v1.0.2 // indirect
 	github.com/lestrrat-go/httpcc v1.0.1 // indirect
 	github.com/lestrrat-go/iter v1.0.2 // indirect
-	github.com/lestrrat-go/jwx v1.2.26 // indirect
+	github.com/lestrrat-go/jwx v1.2.27 // indirect
 	github.com/lestrrat-go/option v1.0.1 // indirect
 	github.com/lucasb-eyer/go-colorful v1.2.0 // indirect
 	github.com/lufia/plan9stats v0.0.0-20231016141302-07b5767bb0ed // indirect

go.sum

@@ -21,11 +21,15 @@ github.com/Azure/azure-storage-blob-go v0.15.0/go.mod h1:vbjsVbX0dlxnRc4FFMPsS9B
 github.com/Azure/go-autorest v14.2.0+incompatible h1:V5VMDjClD3GiElqLWO7mz2MxNAK/vTfRHdAubSIPRgs=
 github.com/Azure/go-autorest v14.2.0+incompatible/go.mod h1:r+4oMnoxhatjLLJ6zxSWATqVooLgysK6ZNox3g/xq24=
 github.com/Azure/go-autorest/autorest v0.11.29 h1:I4+HL/JDvErx2LjyzaVxllw2lRDB5/BT2Bm4g20iqYw=
+github.com/Azure/go-autorest/autorest v0.11.29/go.mod h1:ZtEzC4Jy2JDrZLxvWs8LrBWEBycl1hbT1eknI8MtfAs=
 github.com/Azure/go-autorest/autorest/adal v0.9.13/go.mod h1:W/MM4U6nLxnIskrw4UwWzlHfGjwUS50aOsc/I3yuU8M=
 github.com/Azure/go-autorest/autorest/adal v0.9.22 h1:/GblQdIudfEM3AWWZ0mrYJQSd7JS4S/Mbzh6F0ov0Xc=
+github.com/Azure/go-autorest/autorest/adal v0.9.22/go.mod h1:XuAbAEUv2Tta//+voMI038TrJBqjKam0me7qR+L8Cmk=
 github.com/Azure/go-autorest/autorest/date v0.3.0 h1:7gUk1U5M/CQbp9WoqinNzJar+8KY+LPI6wiWrP/myHw=
 github.com/Azure/go-autorest/autorest/date v0.3.0/go.mod h1:BI0uouVdmngYNUzGWeSYnokU+TrmwEsOqdt8Y6sso74=
 github.com/Azure/go-autorest/autorest/mocks v0.4.1/go.mod h1:LTp+uSrOhSkaKrUy935gNZuuIPPVsHlr9DSOxSayd+k=
+github.com/Azure/go-autorest/autorest/mocks v0.4.2 h1:PGN4EDXnuQbojHbU0UWoNvmu9AGVwYHG9/fkDYhtAfw=
+github.com/Azure/go-autorest/autorest/mocks v0.4.2/go.mod h1:Vy7OitM9Kei0i1Oj+LvyAWMXJHeKH1MVlzFugfVrmyU=
 github.com/Azure/go-autorest/logger v0.2.1 h1:IG7i4p/mDa2Ce4TRyAO8IHnVhAVF3RFU+ZtXWSmf4Tg=
 github.com/Azure/go-autorest/logger v0.2.1/go.mod h1:T9E3cAhj2VqvPOtCYAvby9aBXkZmbF5NWuPV8+WeEW8=
 github.com/Azure/go-autorest/tracing v0.6.0 h1:TYi4+3m5t6K48TGI9AUdb+IzbnSxvnvUMfuitfgcfuo=
@@ -214,6 +218,7 @@ github.com/godbus/dbus/v5 v5.0.4/go.mod h1:xhWf0FNVPg57R7Z0UbKHbJfkEywrmjJnf7w5x
 github.com/gogo/protobuf v1.1.1/go.mod h1:r8qH/GZQm5c6nD/R0oafs1akxWv10x8SbQlK7atdtwQ=
 github.com/gogo/protobuf v1.3.2 h1:Ov1cvc58UF3b5XjBnZv7+opcTcQFZebYjWzi34vdm4Q=
 github.com/gogo/protobuf v1.3.2/go.mod h1:P1XiOD3dCwIKUDQYPy72D8LYyHL2YPYrpS2s69NZV8Q=
+github.com/golang-jwt/jwt/v4 v4.0.0/go.mod h1:/xlHOz8bRuivTWchD4jCa+NbatV+wEUSzwAxVc6locg=
 github.com/golang-jwt/jwt/v4 v4.5.0 h1:7cYmW1XlMY7h7ii7UhUyChSgS5wUJEnm9uZVTGqOWzg=
 github.com/golang-jwt/jwt/v4 v4.5.0/go.mod h1:m21LjoU+eqJr34lmDMbreY2eSTRJ1cv77w39/MY0Ch0=
 github.com/golang/glog v0.0.0-20160126235308-23def4e6c14b/go.mod h1:SBH7ygxi8pfUlaOkMMuAQtPIUF8ecWP5IEl/CR7VP2Q=
@@ -371,15 +376,14 @@ github.com/kr/text v0.2.0 h1:5Nx0Ya0ZqY2ygV366QzturHI13Jq95ApcVaJBhpS+AY=
 github.com/kr/text v0.2.0/go.mod h1:eLer722TekiGuMkidMxC/pM04lWEeraHUUmBw8l2grE=
 github.com/lestrrat-go/backoff/v2 v2.0.8 h1:oNb5E5isby2kiro9AgdHLv5N5tint1AnDVVf2E2un5A=
 github.com/lestrrat-go/backoff/v2 v2.0.8/go.mod h1:rHP/q/r9aT27n24JQLa7JhSQZCKBBOiM/uP402WwN8Y=
-github.com/lestrrat-go/blackmagic v1.0.1/go.mod h1:UrEqBzIR2U6CnzVyUtfM6oZNMt/7O7Vohk2J0OGSAtU=
 github.com/lestrrat-go/blackmagic v1.0.2 h1:Cg2gVSc9h7sz9NOByczrbUvLopQmXrfFx//N+AkAr5k=
 github.com/lestrrat-go/blackmagic v1.0.2/go.mod h1:UrEqBzIR2U6CnzVyUtfM6oZNMt/7O7Vohk2J0OGSAtU=
 github.com/lestrrat-go/httpcc v1.0.1 h1:ydWCStUeJLkpYyjLDHihupbn2tYmZ7m22BGkcvZZrIE=
 github.com/lestrrat-go/httpcc v1.0.1/go.mod h1:qiltp3Mt56+55GPVCbTdM9MlqhvzyuL6W/NMDA8vA5E=
 github.com/lestrrat-go/iter v1.0.2 h1:gMXo1q4c2pHmC3dn8LzRhJfP1ceCbgSiT9lUydIzltI=
 github.com/lestrrat-go/iter v1.0.2/go.mod h1:Momfcq3AnRlRjI5b5O8/G5/BvpzrhoFTZcn06fEOPt4=
-github.com/lestrrat-go/jwx v1.2.26 h1:4iFo8FPRZGDYe1t19mQP0zTRqA7n8HnJ5lkIiDvJcB0=
+github.com/lestrrat-go/jwx v1.2.27 h1:cvnTnda/YzdyFuWdEAMkI6BsLtItSrASEVCI3C/IUEQ=
-github.com/lestrrat-go/jwx v1.2.26/go.mod h1:MaiCdGbn3/cckbOFSCluJlJMmp9dmZm5hDuIkx8ftpQ=
+github.com/lestrrat-go/jwx v1.2.27/go.mod h1:Stob9LjSqR3lOmNdxF0/TvZo60V3hUGv8Fr7Bwzla3k=
 github.com/lestrrat-go/option v1.0.0/go.mod h1:5ZHFbivi4xwXxhxY9XHDe2FHo6/Z7WWmtT7T5nBBp3I=
 github.com/lestrrat-go/option v1.0.1 h1:oAzP2fvZGQKWkvHa1/SAcFolBEca1oN+mQ7eooNBEYU=
 github.com/lestrrat-go/option v1.0.1/go.mod h1:5ZHFbivi4xwXxhxY9XHDe2FHo6/Z7WWmtT7T5nBBp3I=
@@ -446,8 +450,8 @@ github.com/minio/highwayhash v1.0.2 h1:Aak5U0nElisjDCfPSG79Tgzkn2gl66NxOMspRrKnA
 github.com/minio/highwayhash v1.0.2/go.mod h1:BQskDq+xkJ12lmlUUi7U0M5Swg3EWR+dLTk+kldvVxY=
 github.com/minio/kes-go v0.2.0 h1:HA33arq9s3MErbsj3PAXFVfFo4U4yw7lTKQ5kWFrpCA=
 github.com/minio/kes-go v0.2.0/go.mod h1:VorHLaIYis9/MxAHAtXN4d8PUMNKhIxTIlvFt0hBOEo=
-github.com/minio/madmin-go/v3 v3.0.36 h1:Ewu/Rt7WVSs9slWW+SZHRc5RPQdYAGIdNZnRr+gyN4k=
+github.com/minio/madmin-go/v3 v3.0.37-0.20231211192618-d20cff0b11d9 h1:Rpz09w+Y9Bcq3MvNbxA/IFynLjVm6L62o5P7oMwNMWc=
-github.com/minio/madmin-go/v3 v3.0.36/go.mod h1:4QN2NftLSV7MdlT50dkrenOMmNVHluxTvlqJou3hte8=
+github.com/minio/madmin-go/v3 v3.0.37-0.20231211192618-d20cff0b11d9/go.mod h1:4QN2NftLSV7MdlT50dkrenOMmNVHluxTvlqJou3hte8=
 github.com/minio/mc v0.0.0-20231127112613-5e6ae2172e25 h1:8jT9Tz4opgrX6mnyFWW+TQ90AnrJqJ0mzeFXUWDHNGo=
 github.com/minio/mc v0.0.0-20231127112613-5e6ae2172e25/go.mod h1:8kat72LmpzZ2/xykDcq64tcRRJkkWo1Kd/Z5coC6t0w=
 github.com/minio/md5-simd v1.1.2 h1:Gdi1DZK69+ZVMoNHRXJyNcxrMA4dSxoYHZSQbirFg34=
@@ -729,10 +733,10 @@ golang.org/x/crypto v0.0.0-20211209193657-4570a0811e8b/go.mod h1:IxCIyHEi3zRg3s0
 golang.org/x/crypto v0.0.0-20220112180741-5e0467b6c7ce/go.mod h1:IxCIyHEi3zRg3s0A5j5BB6A9Jmi73HwBIUl50j+osU4=
 golang.org/x/crypto v0.0.0-20220307211146-efcb8507fb70/go.mod h1:IxCIyHEi3zRg3s0A5j5BB6A9Jmi73HwBIUl50j+osU4=
 golang.org/x/crypto v0.0.0-20220622213112-05595931fe9d/go.mod h1:IxCIyHEi3zRg3s0A5j5BB6A9Jmi73HwBIUl50j+osU4=
+golang.org/x/crypto v0.0.0-20220722155217-630584e8d5aa/go.mod h1:IxCIyHEi3zRg3s0A5j5BB6A9Jmi73HwBIUl50j+osU4=
 golang.org/x/crypto v0.1.0/go.mod h1:RecgLatLF4+eUMCP1PoPZQb+cVrJcOPbHkTkbkB9sbw=
 golang.org/x/crypto v0.5.0/go.mod h1:NK/OQwhpMQP3MwtdjgLlYHnH9ebylxKWv3e0fK+mkQU=
 golang.org/x/crypto v0.6.0/go.mod h1:OFC/31mSvZgRz0V1QTNCzfAI1aIRzbiufJtkMIlEp58=
-golang.org/x/crypto v0.9.0/go.mod h1:yrmDGqONDYtNj3tH8X9dzUun2m2lzPa9ngI6/RUPGR0=
 golang.org/x/crypto v0.10.0/go.mod h1:o4eNf7Ede1fv+hwOwZsTHl9EsPFO6q6ZvYR8vYfY45I=
 golang.org/x/crypto v0.13.0/go.mod h1:y6Z2r+Rw4iayiXXAIxJIDAJ1zMW4yaTpebo8fPOliYc=
 golang.org/x/crypto v0.16.0 h1:mMMrFzRSCF0GvB7Ne27XVtVAaXLrPmgPC7/v0tkwHaY=