func TestVolumeReserve(t *testing.T) {
client, err := newClient(t)
th.AssertNoErr(t, err)
t.Logf("Creating volume")
cv, err := volumes.Create(client, &volumes.CreateOpts{
Size: 1,
Name: "blockv2-volume",
}).Extract()
th.AssertNoErr(t, err)
defer func() {
err = volumes.WaitForStatus(client, cv.ID, "available", 60)
th.AssertNoErr(t, err)
t.Logf("Deleting volume")
err = volumes.Delete(client, cv.ID).ExtractErr()
th.AssertNoErr(t, err)
}()
err = volumes.WaitForStatus(client, cv.ID, "available", 60)
th.AssertNoErr(t, err)
t.Logf("Reserving volume")
err = volumeactions.Reserve(client, cv.ID).ExtractErr()
th.AssertNoErr(t, err)
err = volumes.WaitForStatus(client, cv.ID, "attaching", 60)
th.AssertNoErr(t, err)
t.Logf("Unreserving volume")
err = volumeactions.Unreserve(client, cv.ID).ExtractErr()
th.AssertNoErr(t, err)
err = volumes.WaitForStatus(client, cv.ID, "available", 60)
th.AssertNoErr(t, err)
}
func (d CinderDriver) Mount(r volume.Request) volume.Response {
d.Mutex.Lock()
defer d.Mutex.Unlock()
hostname, _ := os.Hostname()
log.Infof("Mounting volume %+v on %s", r, hostname)
vol, err := d.getByName(r.Name)
if err != nil {
log.Errorf("Failed to retrieve volume named: ", r.Name, "during Mount operation", err)
return volume.Response{Err: err.Error()}
}
if vol.ID == "" {
log.Error("Volume Not Found!")
err := errors.New("Volume Not Found")
return volume.Response{Err: err.Error()}
}
if vol.Status == "creating" {
// NOTE(jdg): This may be a successive call after a create which from
// the docker volume api can be quite speedy. Take a short pause and
// check the status again before proceeding
time.Sleep(time.Second * 5)
vol, err = d.getByName(r.Name)
}
if err != nil {
log.Errorf("Failed to retrieve volume named: ", r.Name, "during Mount operation", err)
return volume.Response{Err: err.Error()}
}
if vol.Status != "available" {
log.Debugf("Volume info: %+v\n", vol)
log.Errorf("Invalid volume status for Mount request, volume is: %s but must be available", vol.Status)
err := errors.New("Invalid volume status for Mount request")
return volume.Response{Err: err.Error()}
}
volumeactions.Reserve(d.Client, vol.ID)
iface := d.Conf.InitiatorIFace
netDev, _ := net.InterfaceByName(iface)
IPs, _ := net.InterfaceAddrs()
log.Debugf("iface: %+v\n Addrs: %+v", netDev, IPs)
log.Debug("Gather up initiator IQNs...")
initiator, err := GetInitiatorIqns()
if err != nil {
log.Error("Failed to retrieve Initiator name!")
return volume.Response{Err: err.Error()}
}
// TODO(ebalduf): Change assumption that we have only one Initiator defined
log.Debugf("Value of IPs is=%+v\n", IPs)
connectorOpts := volumeactions.ConnectorOpts{
IP: d.Conf.InitiatorIP,
Host: hostname,
Initiator: initiator[0],
Wwpns: []string{},
Wwnns: "",
Multipath: false,
Platform: "x86",
OSType: "linux",
}
log.Debug("Issue InitializeConnection...")
response := volumeactions.InitializeConnection(d.Client, vol.ID, &connectorOpts)
log.Debugf("Response from InitializeConnection: %+v\n", response)
data := response.Body.(map[string]interface{})["connection_info"].(map[string]interface{})["data"]
var con ConnectorInfo
mapstructure.Decode(data, &con)
path, device, err := attachVolume(&con, "default")
log.Debug("iSCSI connection done")
if path == "" || device == "" && err == nil {
log.Error("Missing path or device, but err not set?")
log.Debug("Path: ", path, " ,Device: ", device)
return volume.Response{Err: err.Error()}
}
if err != nil {
log.Errorf("Failed to perform iscsi attach of volume %s: %v", r.Name, err)
return volume.Response{Err: err.Error()}
}
if GetFSType(device) == "" {
//TODO(jdg): Enable selection of *other* fs types
log.Debugf("Formatting device")
err := FormatVolume(device, "ext4")
if err != nil {
err := errors.New("Failed to format device")
log.Error(err)
return volume.Response{Err: err.Error()}
}
}
if mountErr := Mount(device, d.Conf.MountPoint+"/"+r.Name); mountErr != nil {
err := errors.New("Problem mounting docker volume ")
log.Error(err)
return volume.Response{Err: err.Error()}
}
path = filepath.Join(d.Conf.MountPoint, r.Name)
// NOTE(jdg): Cinder will barf if you provide both Instance and HostName
// which is kinda silly... but it is what it is
attachOpts := volumeactions.AttachOpts{
MountPoint: path,
InstanceUUID: d.Conf.HostUUID,
HostName: "",
Mode: "rw"}
log.Debug("Call gophercloud Attach...")
attRes := volumeactions.Attach(d.Client, vol.ID, &attachOpts)
log.Debugf("Attach results: %+v", attRes)
return volume.Response{Mountpoint: d.Conf.MountPoint + "/" + r.Name}
}