def check_cinder_vg(config, messages):
cinders_volume = config["CONFIG_CINDER_VOLUME_NAME"]
# Do we have a cinder-volumes vg?
have_cinders_volume = False
server = utils.ScriptRunner(config['CONFIG_STORAGE_HOST'])
server.append('vgdisplay %s' % cinders_volume)
try:
server.execute()
have_cinders_volume = True
except exceptions.ScriptRuntimeError:
pass
if config["CONFIG_CINDER_VOLUMES_CREATE"] == "n":
if not have_cinders_volume:
raise exceptions.MissingRequirements("The cinder server should "
"contain a volume group")
match = re.match(r'^(?P<size>\d+)G$',
config['CONFIG_CINDER_VOLUMES_SIZE'].strip())
if not match:
msg = 'Invalid Cinder volumes VG size.'
raise exceptions.ParamValidationError(msg)
cinders_volume_size = int(match.group('size')) * 1024
cinders_reserve = int(cinders_volume_size * 0.03)
cinders_volume_size = cinders_volume_size + cinders_reserve
config['CONFIG_CINDER_VOLUMES_SIZE'] = '%sM' % cinders_volume_size
def check_cinder_vg(config, messages):
cinders_volume = 'cinder-volumes'
if config['CONFIG_UNSUPPORTED'] != 'y':
config['CONFIG_STORAGE_HOST'] = config['CONFIG_CONTROLLER_HOST']
if config["CONFIG_CINDER_VOLUMES_CREATE"] != "y":
if not have_cinders_volume:
raise exceptions.MissingRequirements("The cinder server should "
"contain a cinder-volumes "
"volume group")
match = re.match('^(?P<size>\d+)G$',
config['CONFIG_CINDER_VOLUMES_SIZE'].strip())
if not match:
msg = 'Invalid Cinder volumes VG size.'
raise exceptions.ParamValidationError(msg)
cinders_volume_size = int(match.group('size')) * 1024
cinders_reserve = int(cinders_volume_size * 0.03)
cinders_volume_size = cinders_volume_size + cinders_reserve
config['CONFIG_CINDER_VOLUMES_SIZE'] = 'sM' % cinders_volume_size
def check_cinder_vg(config, messages):
cinders_volume = 'cinder-volumes'
# Do we have a cinder-volumes vg?
have_cinders_volume = False
server = utils.ScriptRunner(config['CONFIG_CONTROLLER_HOST'])
server.append('vgdisplay %s' % cinders_volume)
try:
server.execute()
have_cinders_volume = True
except exceptions.ScriptRuntimeError:
pass
# Configure system LVM settings (snapshot_autoextend)
server = utils.ScriptRunner(config['CONFIG_CONTROLLER_HOST'])
server.append('sed -i -r "s/^ *snapshot_autoextend_threshold +=.*/'
' snapshot_autoextend_threshold = 80/" '
'/etc/lvm/lvm.conf')
server.append('sed -i -r "s/^ *snapshot_autoextend_percent +=.*/'
' snapshot_autoextend_percent = 20/" '
'/etc/lvm/lvm.conf')
try:
server.execute()
except exceptions.ScriptRuntimeError:
logging.info("Warning: Unable to set system LVM settings.")
if config["CONFIG_CINDER_VOLUMES_CREATE"] != "y":
if not have_cinders_volume:
raise exceptions.MissingRequirements("The cinder server should "
"contain a cinder-volumes "
"volume group")
else:
if have_cinders_volume:
messages.append(output_messages.INFO_CINDER_VOLUMES_EXISTS)
return
server = utils.ScriptRunner(config['CONFIG_CONTROLLER_HOST'])
server.append('systemctl')
try:
server.execute()
rst_cmd = 'systemctl restart openstack-cinder-volume.service'
except exceptions.ScriptRuntimeError:
rst_cmd = 'service openstack-cinder-volume restart'
server.clear()
logging.info("A new cinder volumes group will be created")
cinders_volume_path = '/var/lib/cinder'
server.append('mkdir -p %s' % cinders_volume_path)
logging.debug("Volume's path: %s" % cinders_volume_path)
match = re.match('^(?P<size>\d+)G$',
config['CONFIG_CINDER_VOLUMES_SIZE'].strip())
if not match:
msg = 'Invalid Cinder volumes VG size.'
raise exceptions.ParamValidationError(msg)
cinders_volume_size = int(match.group('size')) * 1024
cinders_reserve = int(cinders_volume_size * 0.03)
cinders_volume_size = cinders_volume_size + cinders_reserve
cinders_volume_path = os.path.join(cinders_volume_path, cinders_volume)
server.append('dd if=/dev/zero of=%s bs=1 count=0 seek=%sM' %
(cinders_volume_path, cinders_volume_size))
server.append('LOFI=$(losetup --show -f %s)' % cinders_volume_path)
server.append('pvcreate $LOFI')
server.append('vgcreate %s $LOFI' % cinders_volume)
# Add the loop device on boot
server.append(
'grep %(volume)s /etc/rc.d/rc.local || '
'echo "losetup -f %(path)s && '
'vgchange -a y %(volume)s && '
'%(restart_cmd)s" '
'>> /etc/rc.d/rc.local' % {
'volume': cinders_volume,
'restart_cmd': rst_cmd,
'path': cinders_volume_path
})
server.append('grep "#!" /etc/rc.d/rc.local || '
'sed -i \'1i#!/bin/sh\' /etc/rc.d/rc.local')
server.append('chmod +x /etc/rc.d/rc.local')
# Let's make sure it exists
server.append('vgdisplay %s' % cinders_volume)
try:
server.execute()
except exceptions.ScriptRuntimeError:
# Release loop device if cinder's volume creation
# fails.
try:
logging.debug("Release loop device, volume creation failed")
server = utils.ScriptRunner(config['CONFIG_CONTROLLER_HOST'])
server.append('losetup -d $(losetup -j %s | cut -d : -f 1)' %
cinders_volume_path)
server.execute()
except:
pass
raise exceptions.MissingRequirements("Cinder's volume group '%s' "
"could not be created" %
cinders_volume)
def check_cinder_vg():
cinders_volume = 'cinder-volumes'
# Do we have a cinder-volumes vg?
have_cinders_volume = False
server = utils.ScriptRunner(controller.CONF['CONFIG_CINDER_HOST'])
server.append('vgdisplay %s' % cinders_volume)
try:
server.execute()
have_cinders_volume = True
except ScriptRuntimeError:
pass
if controller.CONF["CONFIG_CINDER_VOLUMES_CREATE"] != "y":
if not have_cinders_volume:
raise exceptions.MissingRequirements(
"The cinder server should"
" contain a cinder-volumes volume group")
else:
if have_cinders_volume:
controller.MESSAGES.append(
output_messages.INFO_CINDER_VOLUMES_EXISTS)
return
server = utils.ScriptRunner(controller.CONF['CONFIG_CINDER_HOST'])
logging.info("A new cinder volumes group will be created")
err = "Cinder's volume group '%s' could not be created" % \
cinders_volume
cinders_volume_path = '/var/lib/cinder'
server.append('mkdir -p %s' % cinders_volume_path)
logging.debug("Volume's path: %s" % cinders_volume_path)
cinders_volume_path = os.path.join(cinders_volume_path, cinders_volume)
server.append('dd if=/dev/zero of=%s bs=1 count=0 seek=%s' % \
(cinders_volume_path,
controller.CONF['CONFIG_CINDER_VOLUMES_SIZE']))
server.append('LOFI=$(losetup --show -f %s)' % cinders_volume_path)
server.append('pvcreate $LOFI')
server.append('vgcreate %s $LOFI' % cinders_volume)
# Add the loop device on boot
server.append('grep %s /etc/rc.d/rc.local || '
'echo losetup $LOFI %s >> /etc/rc.d/rc.local' %
(cinders_volume, cinders_volume_path))
server.append('grep "#!" /etc/rc.d/rc.local || '
'sed -i \'1i#!/bin/sh\' /etc/rc.d/rc.local')
server.append('chmod +x /etc/rc.d/rc.local')
# Let's make sure it exists
server.append('vgdisplay %s' % cinders_volume)
try:
server.execute()
except ScriptRuntimeError:
# Release loop device if cinder's volume creation
# fails.
try:
logging.debug("Release loop device, volume creation failed")
server = utils.ScriptRunner(
controller.CONF['CONFIG_CINDER_HOST'])
server.append('losetup -d $(losetup -j %s | cut -d : -f 1)' %
cinders_volume_path)
server.execute()
except:
pass
raise exceptions.MissingRequirements(err)