Feature/nvme tcp connect

.gitignore

@@ -1 +1,3 @@
-c.out
+c.out
+.idea
+.vscode

base.go

@@ -100,6 +100,33 @@ func (bc *baseConnector) disconnectDevicesByDeviceName(ctx context.Context, name
 	return bc.cleanDevices(ctx, false, devices)
 }
 
+func (bc *baseConnector) disconnectNVMEDevicesByDeviceName(ctx context.Context, name string) error {
+	defer tracer.TraceFuncCall(ctx, "baseConnector.disconnectDevicesByDeviceName")()
+	if !bc.scsi.IsDeviceExist(ctx, name) {
+		logger.Info(ctx, "device %s not found", name)
+		return nil
+	}
+	var err error
+	var wwn string
+	if strings.HasPrefix(name, deviceMapperPrefix) {
+		wwn, err = bc.getDMWWN(ctx, name)
+
+	} else {
+		wwn, err = bc.scsi.GetNVMEDeviceWWN(ctx, []string{name})
+	}
+	if err != nil {
+		logger.Error(ctx, "can't find wwn for device: %s", err.Error())
+		return err
+	}
+
+	devices, err := bc.scsi.GetDevicesByWWN(ctx, wwn)
+	if err != nil {
+		logger.Error(ctx, "failed to find devices by wwn: %s", err.Error())
+		return err
+	}
+	return bc.cleanDevices(ctx, false, devices)
+}
+
 func (bc *baseConnector) cleanDevices(ctx context.Context,
 	force bool, devices []string) error {
 	defer tracer.TraceFuncCall(ctx, "baseConnector.cleanDevices")()

go.mod

@@ -1,11 +1,17 @@
 module github.com/dell/gobrick
 
-go 1.13
+go 1.17
 
 require (
-	github.com/davecgh/go-spew v1.1.1 // indirect
 	github.com/dell/goiscsi v1.1.0
+	github.com/dell/gonvme v0.0.0-20220217061253-306d51e093bd
 	github.com/golang/mock v1.3.1
 	github.com/stretchr/testify v1.4.0
 	golang.org/x/sync v0.0.0-20190423024810-112230192c58
 )
+
+require (
+	github.com/davecgh/go-spew v1.1.1 // indirect
+	github.com/pmezard/go-difflib v1.0.0 // indirect
+	gopkg.in/yaml.v2 v2.2.2 // indirect
+)

go.sum

@@ -3,6 +3,8 @@ github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/dell/goiscsi v1.1.0 h1:ByULW5hzYnDLCEC/7E2B03KhTLt/RpeMIwfGszmTe7U=
 github.com/dell/goiscsi v1.1.0/go.mod h1:MfuMjbKWsh/MOb0VDW20C+LFYRIOfWKGiAxWkeM5TKo=
+github.com/dell/gonvme v0.0.0-20220217061253-306d51e093bd h1:eA/UOAcQnQSzC7yGF+t2kupaIqJIY2QPPIJpDFeqPyY=
+github.com/dell/gonvme v0.0.0-20220217061253-306d51e093bd/go.mod h1:JXLmgxE/2dsiXqW5E+kH5Zo11lOjCuHyiHu92xqR9O0=
 github.com/golang/mock v1.3.1 h1:qGJ6qTW+x6xX/my+8YUVl4WNpX9B7+/l2tRsHGZ7f2s=
 github.com/golang/mock v1.3.1/go.mod h1:sBzyDLLjw3U8JLTeZvSv8jJB+tU5PVekmnlKIyFUx0Y=
 github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=

internal/scsi/interface.go

@@ -17,10 +17,12 @@ type SCSI interface {
 	DeleteSCSIDeviceByName(ctx context.Context, name string) error
 	DeleteSCSIDeviceByPath(ctx context.Context, devPath string) error
 	GetDeviceWWN(ctx context.Context, devices []string) (string, error)
+	GetNVMEDeviceWWN(ctx context.Context, devices []string) (string, error)
 	GetDevicesByWWN(ctx context.Context, wwn string) ([]string, error)
 	GetDMDeviceByChildren(ctx context.Context, devices []string) (string, error)
 	GetDMChildren(ctx context.Context, dmPath string) ([]string, error)
 	CheckDeviceIsValid(ctx context.Context, device string) bool
 	GetDeviceNameByHCTL(ctx context.Context, h scsi.HCTL) (string, error)
 	WaitUdevSymlink(ctx context.Context, deviceName string, wwn string) error
+	WaitUdevSymlinkNVMe(ctx context.Context, deviceName string, wwn string) error
 }

internal/wrappers/wrappers.go

@@ -10,6 +10,7 @@ import (
 	"path/filepath"
 
 	"github.com/dell/goiscsi"
+	"github.com/dell/gonvme"
 )
 
 // LimitedFileInfo defines limited file info interface
@@ -61,6 +62,17 @@ type ISCSILib interface {
 	CreateOrUpdateNode(target goiscsi.ISCSITarget, options map[string]string) error
 }
 
+// NVMeTCP defines NVMe function spec
+type NVMeTCP interface {
+	DiscoverNVMeTCPTargets(address string, login bool) ([]gonvme.NVMeTarget, error)
+	GetInitiators(filename string) ([]string, error)
+	NVMeConnect(target gonvme.NVMeTarget) error
+	NVMeDisconnect(target gonvme.NVMeTarget) error
+	GetSessions() ([]gonvme.NVMESession, error)
+	ListNamespaceDevices() map[string][]string
+	GetNamespaceData(path string, namespaceID string) (string, error)
+}
+
 // wrappers
 
 // OSExecWrapper contains implementation of LimitedOSExec interface