func (m *Master) setupSecureProxy(user, privateKeyfile, publicKeyfile string) {
// Sync loop to ensure that the SSH key has been installed.
go util.Until(func() {
if m.installSSHKey == nil {
glog.Error("Won't attempt to install ssh key: installSSHKey function is nil")
return
}
key, err := util.ParsePublicKeyFromFile(publicKeyfile)
if err != nil {
glog.Errorf("Failed to load public key: %v", err)
return
}
keyData, err := util.EncodeSSHKey(key)
if err != nil {
glog.Errorf("Failed to encode public key: %v", err)
return
}
if err := m.installSSHKey(user, keyData); err != nil {
glog.Errorf("Failed to install ssh key: %v", err)
}
}, 5*time.Minute, util.NeverStop)
// Sync loop for tunnels
// TODO: switch this to watch.
go util.Until(func() {
if err := m.loadTunnels(user, privateKeyfile); err != nil {
glog.Errorf("Failed to load SSH Tunnels: %v", err)
}
if m.tunnels != nil && m.tunnels.Len() != 0 {
// Sleep for 10 seconds if we have some tunnels.
// TODO (cjcullen): tunnels can lag behind actually existing nodes.
time.Sleep(9 * time.Second)
}
}, 1*time.Second, util.NeverStop)
// Refresh loop for tunnels
// TODO: could make this more controller-ish
go util.Until(func() {
time.Sleep(5 * time.Minute)
if err := m.refreshTunnels(user, privateKeyfile); err != nil {
glog.Errorf("Failed to refresh SSH Tunnels: %v", err)
}
}, 0*time.Second, util.NeverStop)
}
func (c *SSHTunneler) installSSHKeySyncLoop(user, publicKeyfile string) {
go util.Until(func() {
if c.InstallSSHKey == nil {
glog.Error("Won't attempt to install ssh key: InstallSSHKey function is nil")
return
}
key, err := util.ParsePublicKeyFromFile(publicKeyfile)
if err != nil {
glog.Errorf("Failed to load public key: %v", err)
return
}
keyData, err := util.EncodeSSHKey(key)
if err != nil {
glog.Errorf("Failed to encode public key: %v", err)
return
}
if err := c.InstallSSHKey(user, keyData); err != nil {
glog.Errorf("Failed to install ssh key: %v", err)
}
}, 5*time.Minute, c.stopChan)
}