def mount(self):
#loop through the volumes
volumes = self.config.userData["volumes"]
for volumeId in volumes:
volume = self.ec2.get_all_volumes([volumeId])[0]
print "Volume {0} status: {1}".format(volume.id, volume.status)
device = volumes[volumeId]["device"]
mountpoint = volumes[volumeId]["mountpoint"]
# attach the volume to the instance in case is not in use
if volume.status == "available":
print "Attaching volume to device {0} ...".format(device)
self.ec2.attach_volume(volume.id, self.config.instanceId, device)
#wait untill the volume is attached
volume.update()
while volume.attachment_state() != "attached":
time.sleep(3)
volume.update()
print "volume status: {0}".format(volume.attachment_state())
#HACK to make it work on Ubuntu 12.04
dev = device.replace("/dev/s", "/dev/xv")
# mount the volume to the mountpoint
print "Mounting {0} @ {1} ...".format(dev, mountpoint)
BashCmd([ "mkdir", "-p", mountpoint ]).execute()
mount = BashCmd([ "mount", "-t", "xfs", "-o", "defaults", dev, mountpoint ])
mount.execute()
if mount.isOk():
print "Mountpoint {0} ready".format(mountpoint)
else:
print "ERROR - Problem mounting {0}".format(mountpoint)
def umount(self):
#loop through the volumes
volumes = self.config.userData["volumes"]
for volumeId in volumes:
volume = self.ec2.get_all_volumes([volumeId])[0]
print "Volume {0} status: {1}".format(volume.id, volume.status)
device = volumes[volumeId]["device"]
mountpoint = volumes[volumeId]["mountpoint"]
# umount the volume and detach the volume if is in use
print("Umounting {0} ...".format(mountpoint))
umount = BashCmd( ["umount", "-t", "xfs", mountpoint] )
umount.execute()
if umount.isOk():
if volume.status == "in-use":
print "Detaching volume {0} ...".format(volume.id)
self.ec2.detach_volume(volume.id, self.config.instanceId, device)
else:
print "Volume {0} already detached".format(volume.id)
else:
print "ERROR - Problem umounting {0}".format(mountpoint)
