iscsi library fixes based on the csi-driver-iscsi

Signed-off-by: Humble Chirammal <[email protected]>

iscsi/iscsi.go

@@ -584,7 +584,7 @@ func writeInSCSIDeviceFile(hctl string, file string, content string) error {
 	filename := filepath.Join("/sys/class/scsi_device", hctl, "device", file)
 	debug.Printf("Write %q in %q.\n", content, filename)
 
-	f, err := osOpenFile(filename, os.O_TRUNC|os.O_WRONLY, 0200)
+	f, err := osOpenFile(filename, os.O_TRUNC|os.O_WRONLY, 0o200)
 	if err != nil {
 		debug.Printf("Error while opening file %v: %v\n", filename, err)
 		return err

iscsi/iscsi_test.go

@@ -95,19 +95,23 @@ node.conn[0].iscsi.OFMarker = No
 # END RECORD
 `
 
-const emptyTransportName = "iface.transport_name = \n"
-const emptyDbRecord = "\n\n\n"
-const testRootFS = "/tmp/iscsi-tests"
+const (
+	emptyTransportName = "iface.transport_name = \n"
+	emptyDbRecord      = "\n\n\n"
+	testRootFS         = "/tmp/iscsi-tests"
+)
 
 func makeFakeExecCommand(exitStatus int, stdout string) func(string, ...string) *exec.Cmd {
 	return func(command string, args ...string) *exec.Cmd {
 		cs := []string{"-test.run=TestExecCommandHelper", "--", command}
 		cs = append(cs, args...)
 		cmd := exec.Command(os.Args[0], cs...)
 		es := strconv.Itoa(exitStatus)
-		cmd.Env = []string{"GO_WANT_HELPER_PROCESS=1",
+		cmd.Env = []string{
+			"GO_WANT_HELPER_PROCESS=1",
 			"STDOUT=" + stdout,
-			"EXIT_STATUS=" + es}
+			"EXIT_STATUS=" + es,
+		}
 		return cmd
 	}
 }
@@ -165,7 +169,7 @@ func preparePaths(devices []Device) error {
 		}
 
 		for _, filename := range []string{"delete", "state"} {
-			if err := ioutil.WriteFile(filepath.Join(devicePath, filename), []byte(""), 0600); err != nil {
+			if err := ioutil.WriteFile(filepath.Join(devicePath, filename), []byte(""), 0o600); err != nil {
 				return err
 			}
 		}
@@ -735,7 +739,7 @@ func TestConnectorPersistance(t *testing.T) {
 	assert.NotNil(err)
 	assert.IsType(&os.PathError{}, err)
 
-	ioutil.WriteFile("/tmp/connector.json", []byte("not a connector"), 0600)
+	ioutil.WriteFile("/tmp/connector.json", []byte("not a connector"), 0o600)
 	_, err = GetConnectorFromFile("/tmp/connector.json")
 	assert.NotNil(err)
 	assert.IsType(&json.SyntaxError{}, err)

iscsi/iscsiadm.go

@@ -80,7 +80,6 @@ func CreateDBEntry(tgtIQN, portal, iFace string, discoverySecrets, sessionSecret
 	}
 
 	return err
-
 }
 
 // Discoverydb discovers the iscsi target
@@ -100,7 +99,7 @@ func Discoverydb(tp, iface string, discoverySecrets Secrets, chapDiscovery bool)
 
 	_, err = iscsiCmd(append(baseArgs, []string{"--discover"}...)...)
 	if err != nil {
-		//delete the discoverydb record
+		// delete the discoverydb record
 		iscsiCmd(append(baseArgs, []string{"-o", "delete"}...)...)
 		return fmt.Errorf("failed to sendtargets to portal %s, err: %v", tp, err)
 	}
@@ -111,10 +110,12 @@ func createCHAPEntries(baseArgs []string, secrets Secrets, discovery bool) error
 	args := []string{}
 	debug.Printf("Begin createCHAPEntries (discovery=%t)...", discovery)
 	if discovery {
-		args = append(baseArgs, []string{"-o", "update",
+		args = append(baseArgs, []string{
+			"-o", "update",
 			"-n", "discovery.sendtargets.auth.authmethod", "-v", "CHAP",
 			"-n", "discovery.sendtargets.auth.username", "-v", secrets.UserName,
-			"-n", "discovery.sendtargets.auth.password", "-v", secrets.Password}...)
+			"-n", "discovery.sendtargets.auth.password", "-v", secrets.Password,
+		}...)
 		if secrets.UserNameIn != "" {
 			args = append(args, []string{"-n", "discovery.sendtargets.auth.username_in", "-v", secrets.UserNameIn}...)
 		}
@@ -124,10 +125,12 @@ func createCHAPEntries(baseArgs []string, secrets Secrets, discovery bool) error
 
 	} else {
 
-		args = append(baseArgs, []string{"-o", "update",
+		args = append(baseArgs, []string{
+			"-o", "update",
 			"-n", "node.session.auth.authmethod", "-v", "CHAP",
 			"-n", "node.session.auth.username", "-v", secrets.UserName,
-			"-n", "node.session.auth.password", "-v", secrets.Password}...)
+			"-n", "node.session.auth.password", "-v", secrets.Password,
+		}...)
 		if secrets.UserNameIn != "" {
 			args = append(args, []string{"-n", "node.session.auth.username_in", "-v", secrets.UserNameIn}...)
 		}
@@ -156,7 +159,7 @@ func Login(tgtIQN, portal string) error {
 	debug.Println("Begin Login...")
 	baseArgs := []string{"-m", "node", "-T", tgtIQN, "-p", portal}
 	if _, err := iscsiCmd(append(baseArgs, []string{"-l"}...)...); err != nil {
-		//delete the node record from database
+		// delete the node record from database
 		iscsiCmd(append(baseArgs, []string{"-o", "delete"}...)...)
 		return fmt.Errorf("failed to sendtargets to portal %s, err: %v", portal, err)
 	}

iscsi/iscsiadm_test.go

@@ -185,7 +185,6 @@ func TestCreateDBEntry(t *testing.T) {
 			}
 		})
 	}
-
 }
 
 func TestListInterfaces(t *testing.T) {