forked from docker/machine
/
filestore.go
149 lines (121 loc) · 3.19 KB
/
filestore.go
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package libmachine
import (
"encoding/json"
"io/ioutil"
"os"
"path/filepath"
"strings"
log "github.com/Sirupsen/logrus"
"github.com/docker/machine/utils"
)
type Filestore struct {
path string
caCertPath string
privateKeyPath string
}
func NewFilestore(rootPath string, caCert string, privateKey string) *Filestore {
return &Filestore{path: rootPath, caCertPath: caCert, privateKeyPath: privateKey}
}
func (s Filestore) loadHost(name string) (*Host, error) {
hostPath := filepath.Join(utils.GetMachineDir(), name)
if _, err := os.Stat(hostPath); os.IsNotExist(err) {
return nil, ErrHostDoesNotExist
}
host := &Host{Name: name, StorePath: hostPath}
if err := host.LoadConfig(); err != nil {
return nil, err
}
h := FillNestedHost(host)
return h, nil
}
func (s Filestore) GetPath() string {
return s.path
}
func (s Filestore) GetCACertificatePath() (string, error) {
return s.caCertPath, nil
}
func (s Filestore) GetPrivateKeyPath() (string, error) {
return s.privateKeyPath, nil
}
func (s Filestore) Save(host *Host) error {
data, err := json.Marshal(host)
if err != nil {
return err
}
hostPath := filepath.Join(utils.GetMachineDir(), host.Name)
if err := os.MkdirAll(hostPath, 0700); err != nil {
return err
}
if err := ioutil.WriteFile(filepath.Join(hostPath, "config.json"), data, 0600); err != nil {
return err
}
return nil
}
func (s Filestore) Remove(name string, force bool) error {
hostPath := filepath.Join(utils.GetMachineDir(), name)
return os.RemoveAll(hostPath)
}
func (s Filestore) List() ([]*Host, error) {
dir, err := ioutil.ReadDir(utils.GetMachineDir())
if err != nil && !os.IsNotExist(err) {
return nil, err
}
hosts := []*Host{}
for _, file := range dir {
// don't load hidden dirs; used for configs
if file.IsDir() && strings.Index(file.Name(), ".") != 0 {
host, err := s.Get(file.Name())
if err != nil {
log.Errorf("error loading host %q: %s", file.Name(), err)
continue
}
hosts = append(hosts, host)
}
}
return hosts, nil
}
func (s Filestore) Exists(name string) (bool, error) {
_, err := os.Stat(filepath.Join(utils.GetMachineDir(), name))
if os.IsNotExist(err) {
return false, nil
} else if err == nil {
return true, nil
}
return false, err
}
func (s Filestore) Get(name string) (*Host, error) {
return s.loadHost(name)
}
func (s Filestore) GetActive() (*Host, error) {
hostName, err := ioutil.ReadFile(s.activePath())
if os.IsNotExist(err) {
return nil, nil
} else if err != nil {
return nil, err
}
return s.Get(string(hostName))
}
func (s Filestore) IsActive(host *Host) (bool, error) {
active, err := s.GetActive()
if err != nil {
return false, err
}
if active == nil {
return false, nil
}
return active.Name == host.Name, nil
}
func (s Filestore) SetActive(host *Host) error {
if err := os.MkdirAll(filepath.Dir(s.activePath()), 0700); err != nil {
return err
}
return ioutil.WriteFile(s.activePath(), []byte(host.Name), 0600)
}
func (s Filestore) RemoveActive() error {
return os.Remove(s.activePath())
}
// activePath returns the path to the file that stores the name of the
// active host
func (s Filestore) activePath() string {
return filepath.Join(utils.GetMachineDir(), ".active")
}