def delete(self, lv_name):
"""Delete logical volume; return True."""
lv_name = common.validate_hostname(
lv_name) # LV names are always hostnames
args = ['lvremove', '-f', '%s/%s' % (self.vg_name, lv_name)]
str_args = " ".join(args)
msg = "Running " + str_args
self.log.debug(msg)
try:
result = subprocess.Popen(args,
stdout=subprocess.PIPE,
stderr=subprocess.PIPE,
close_fds=True)
except Exception:
msg = 'Running command %s failed' % str_args
#trace = traceback.format_exec()
raise error.SpokeError(msg)
data = result.communicate()
stdout = data[0]
stderr = data[1]
msg = "Command stdout was: %s, stderr was: %s" % (stdout, stderr)
self.log.debug(msg)
if "Volume group \"%s\" not found" % self.vg_name in stderr:
msg = "volume group '%s' was not found." % self.vg_name
raise error.NotFound(msg)
elif "logical volume(s) not found" in stderr:
msg = "logical volume '%s' not found." % lv_name
raise error.NotFound(msg)
# Catch non-specific errors
if result.returncode != 0:
msg = "Delete command returned non-zero: %s stdout was: %s, stderr was: %s" % \
(result.returncode, stdout, stderr)
raise error.LVMError(msg)
result = self.get(lv_name)
if result['exit_code'] == 3 and result['count'] == 0:
result['msg'] = "Deleted %s:" % result['type']
self.log.debug('Result: %s' % result)
return result
else:
msg = 'Delete operation returned OK, but object still there?'
raise error.SearchError(msg)
def delete(self):
"""Delete subnet kv stores; return True."""
if not (self.network and self.mask):
msg = 'Please specify ip and mask'
raise error.InputError(msg)
if self.get()['data'] == []:
msg = "cannot delete as already missing"
raise error.NotFound, msg
# Delete kv stores
self.KV.delete(self.kv_aloc)
self.KV.delete(self.kv_free)
result = self.get()
if result['exit_code'] == 3 and result['count'] == 0:
result['msg'] = "Deleted %s:" % result['type']
return result
else:
msg = 'Delete operation returned OK, but object still there?'
raise error.SearchError(msg)
def delete(self, mac):
"""Deletes file self.tftp_root/pxelinux.cfg/01-<mac>"""
mac = common.validate_mac(mac)
mac_file = string.replace(mac, ":",
"-") #Format for use on tftp filesystem
dst = self.tftp_dir + self.tftp_prefix + mac_file
#Make sure the file exists before deleting
if os.path.lexists(dst):
self.log.debug('Deleting link to mac %s' % mac)
os.unlink(dst)
else:
msg = "Link to mac %s doesn't exist, can't delete" % mac
raise error.NotFound, msg
result = self.search(mac)
if result['exit_code'] == 3 and result['count'] == 0:
result['msg'] = "Deleted %s" % result['type']
return result
else:
msg = 'Delete operation returned OK, but object still there?'
raise error.SearchError(msg)
def delete(self, vm_name):
'''Remove a definition from store, will fail on xen if machine is running'''
if vm_name == None:
msg = "InputError: vm name must be specified with delete."
raise error.InputError(msg)
try:
dom = self.conn.lookupByName(vm_name)
except libvirt.libvirtError:
msg = "VM definition for %s doesn't exist, can't delete." % vm_name
raise error.NotFound(msg)
try:
dom.undefine()
except libvirt.libvirtError:
msg = "VM %s is running (shutdown first?), can't delete." % vm_name
raise error.VMRunning(msg)
#self.conn.close()
result = self.get(vm_name)
if result['exit_code'] == 3 and result['count'] == 0:
result['msg'] = "Deleted %s:" % result['type']
return result
else:
msg = 'Delete operation returned OK, but object still there?'
raise error.SearchError(msg)