fix: snapshot restore and volume clone failure in some new sovereign clouds

Author: hasethuraman

pkg/blob/blob.go

@@ -268,6 +268,9 @@ type Driver struct {
 	waitForAzCopyTimeoutMinutes int
 	// azcopy for provide exec mock for ut
 	azcopy *util.Azcopy
+
+	// if azcopy has to trust the driver's supplying endpoint
+	requiredAzCopyToTrust bool
 }
 
 // NewDriver Creates a NewCSIDriver object. Assumes vendor version is equal to driver version &
@@ -327,6 +330,12 @@ func NewDriver(options *DriverOptions, kubeClient kubernetes.Interface, cloud *s
 		klog.Fatalf("%v", err)
 	}
 
+	requiredAzCopyToTrust := d.getStorageEndPointSuffix() != "" && !strings.Contains(azcopyTrustedSuffixesAAD, d.getStorageEndPointSuffix())
+	if requiredAzCopyToTrust {
+		klog.V(2).Infof("storage endpoint suffix %s is not in azcopy trusted suffixes, azcopy will trust it temporarily during volume clone and snapshot restore", d.getStorageEndPointSuffix())
+	}
+	d.requiredAzCopyToTrust = requiredAzCopyToTrust
+
 	d.mounter = &mount.SafeFormatAndMount{
 		Interface: mount.New(""),
 		Exec:      utilexec.New(),

pkg/blob/controllerserver.go

@@ -61,6 +61,9 @@ const (
 	authorizationPermissionMismatch = "AuthorizationPermissionMismatch"
 
 	createdByMetadata = "createdBy"
+
+	// refer https://github.com/Azure/azure-storage-azcopy/wiki/azcopy
+	azcopyTrustedSuffixesAAD = "*.core.windows.net;*.core.chinacloudapi.cn;*.core.cloudapi.de;*.core.usgovcloudapi.net;*.storage.azure.net"
 )
 
 // CreateVolume provisions a volume
@@ -869,6 +872,11 @@ func (d *Driver) copyVolume(ctx context.Context, req *csi.CreateVolumeRequest, a
 
 // execAzcopyCopy exec azcopy copy command
 func (d *Driver) execAzcopyCopy(srcPath, dstPath string, azcopyCopyOptions, authAzcopyEnv []string) ([]byte, error) {
+	// Use --trusted-microsoft-suffixes option to avoid failure caused by
+	if d.requiredAzCopyToTrust {
+		azcopyCopyOptions = append(azcopyCopyOptions, fmt.Sprintf("--trusted-microsoft-suffixes=%s", d.getStorageEndPointSuffix()))
+	}
+
 	cmd := exec.Command("azcopy", "copy", srcPath, dstPath)
 	cmd.Args = append(cmd.Args, azcopyCopyOptions...)
 	if len(authAzcopyEnv) > 0 {