@ -14,7 +14,6 @@
""" Handling introspection request. """
import re
import string
import time
from eventlet import semaphore
@ -31,67 +30,32 @@ CONF = cfg.CONF
LOG = utils . getProcessingLogger ( __name__ )
PASSWORD_ACCEPTED_CHARS = set ( string . ascii_letters + string . digits )
PASSWORD_MAX_LENGTH = 20 # IPMI v2.0
_LAST_INTROSPECTION_TIME = 0
_LAST_INTROSPECTION_LOCK = semaphore . BoundedSemaphore ( )
def _validate_ipmi_credentials ( node , new_ipmi_credentials ) :
if not CONF . processing . enable_setting_ipmi_credentials :
raise utils . Error (
_ ( ' IPMI credentials setup is disabled in configuration ' ) )
new_username , new_password = new_ipmi_credentials
if not new_username :
new_username = node . driver_info . get ( ' ipmi_username ' )
if not new_username :
raise utils . Error ( _ ( ' Setting IPMI credentials requested, but neither '
' new user name nor driver_info[ipmi_username] '
' are provided ' ) ,
node_info = node )
wrong_chars = { c for c in new_password
if c not in PASSWORD_ACCEPTED_CHARS }
if wrong_chars :
raise utils . Error ( _ ( ' Forbidden characters encountered in new IPMI '
' password: " %s " ; use only letters and numbers ' )
% ' ' . join ( wrong_chars ) , node_info = node )
if not 0 < len ( new_password ) < = PASSWORD_MAX_LENGTH :
raise utils . Error ( _ ( ' IPMI password length should be > 0 and <= %d ' )
% PASSWORD_MAX_LENGTH , node_info = node )
return new_username , new_password
def introspect ( node_id , new_ipmi_credentials = None , token = None ) :
def introspect ( node_id , token = None ) :
""" Initiate hardware properties introspection for a given node.
: param node_id : node UUID or name
: param new_ipmi_credentials : tuple ( new username , new password ) or None
: param token : authentication token
: raises : Error
"""
ironic = ir_utils . get_client ( token )
node = ir_utils . get_node ( node_id , ironic = ironic )
ir_utils . check_provision_state ( node , with_credentials = new_ipmi_credentials )
if new_ipmi_credentials :
new_ipmi_credentials = (
_validate_ipmi_credentials ( node , new_ipmi_credentials ) )
else :
validation = ironic . node . validate ( node . uuid )
if not validation . power [ ' result ' ] :
msg = _ ( ' Failed validation of power interface, reason: %s ' )
raise utils . Error ( msg % validation . power [ ' reason ' ] ,
node_info = node )
ir_utils . check_provision_state ( node )
validation = ironic . node . validate ( node . uuid )
if not validation . power [ ' result ' ] :
msg = _ ( ' Failed validation of power interface, reason: %s ' )
raise utils . Error ( msg % validation . power [ ' reason ' ] ,
node_info = node )
bmc_address = ir_utils . get_ipmi_address ( node )
node_info = node_cache . start_introspection ( node . uuid ,
bmc_address = bmc_address ,
ironic = ironic )
node_info . set_option ( ' new_ipmi_credentials ' , new_ipmi_credentials )
def _handle_exceptions ( fut ) :
try :
@ -111,17 +75,16 @@ def introspect(node_id, new_ipmi_credentials=None, token=None):
def _background_introspect ( ironic , node_info ) :
global _LAST_INTROSPECTION_TIME
if not node_info . options . get ( ' new_ipmi_credentials ' ) :
if re . match ( CONF . introspection_delay_drivers , node_info . node ( ) . driver ) :
LOG . debug ( ' Attempting to acquire lock on last introspection time ' )
with _LAST_INTROSPECTION_LOCK :
delay = ( _LAST_INTROSPECTION_TIME - time . time ( )
+ CONF . introspection_delay )
if delay > 0 :
LOG . debug ( ' Waiting %d seconds before sending the next '
' node on introspection ' , delay )
time . sleep ( delay )
_LAST_INTROSPECTION_TIME = time . time ( )
if re . match ( CONF . introspection_delay_drivers , node_info . node ( ) . driver ) :
LOG . debug ( ' Attempting to acquire lock on last introspection time ' )
with _LAST_INTROSPECTION_LOCK :
delay = ( _LAST_INTROSPECTION_TIME - time . time ( )
+ CONF . introspection_delay )
if delay > 0 :
LOG . debug ( ' Waiting %d seconds before sending the next '
' node on introspection ' , delay )
time . sleep ( delay )
_LAST_INTROSPECTION_TIME = time . time ( )
node_info . acquire_lock ( )
try :
@ -151,26 +114,21 @@ def _background_introspect_locked(node_info, ironic):
LOG . info ( ' The following attributes will be used for look up: %s ' ,
attrs , node_info = node_info )
if not node_info . options . get ( ' new_ipmi_credentials ' ) :
try :
ironic . node . set_boot_device ( node_info . uuid , ' pxe ' ,
persistent = False )
except Exception as exc :
LOG . warning ( ' Failed to set boot device to PXE: %s ' ,
exc , node_info = node_info )
try :
ironic . node . set_boot_device ( node_info . uuid , ' pxe ' ,
persistent = False )
except Exception as exc :
LOG . warning ( ' Failed to set boot device to PXE: %s ' ,
exc , node_info = node_info )
try :
ironic . node . set_power_state ( node_info . uuid , ' reboot ' )
except Exception as exc :
raise utils . Error ( _ ( ' Failed to power on the node, check it \' s '
' power management configuration: %s ' ) ,
exc , node_info = node_info )
LOG . info ( ' Introspection started successfully ' ,
node_info = node_info )
else :
LOG . info ( ' Introspection environment is ready, manual power on is '
' required within %d seconds ' , CONF . timeout ,
node_info = node_info )
try :
ironic . node . set_power_state ( node_info . uuid , ' reboot ' )
except Exception as exc :
raise utils . Error ( _ ( ' Failed to power on the node, check it \' s '
' power management configuration: %s ' ) ,
exc , node_info = node_info )
LOG . info ( ' Introspection started successfully ' ,
node_info = node_info )
def abort ( node_id , token = None ) :
Dmitry Tantsur
5 years ago