Initial commit

vm/filemanager.go

@@ -0,0 +1,59 @@
+package vm
+
+import (
+	"bytes"
+
+	"github.com/pkg/errors"
+)
+
+type FileManager struct {
+	vi *Instance
+}
+
+func NewFileManager(vi *Instance) *FileManager {
+	return &FileManager{
+		vi: vi,
+	}
+}
+
+func (fm *FileManager) Init() error {
+	c, err := fm.vi.DialSSH()
+	if err != nil {
+		return errors.Wrap(err, "dial vm ssh")
+	}
+
+	_, err = runSSHCmd(c, "apk add util-linux lvm2")
+	if err != nil {
+		return errors.Wrap(err, "install utilities")
+	}
+
+	_, err = runSSHCmd(c, "vgchange -ay")
+	if err != nil {
+		return errors.Wrap(err, "run vgchange cmd")
+	}
+
+	return nil
+}
+
+func (fm *FileManager) Lsblk() ([]byte, error) {
+	c, err := fm.vi.DialSSH()
+	if err != nil {
+		return nil, errors.Wrap(err, "dial vm ssh")
+	}
+
+	sess, err := c.NewSession()
+	if err != nil {
+		return nil, errors.Wrap(err, "create new vm ssh session")
+	}
+
+	ret := new(bytes.Buffer)
+
+	sess.Stdout = ret
+
+	err = sess.Run("lsblk -o NAME,SIZE,FSTYPE,LABEL -e 7,11,2,253")
+	if err != nil {
+		return nil, errors.Wrap(err, "run lsblk")
+	}
+
+	return ret.Bytes(), nil
+}