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"""Calxeda: eeprom.py """
# Copyright (c) 2012-2013, Calxeda Inc.
#
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are
# met:
#
# * Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# * Redistributions in binary form must reproduce the above copyright
# notice, this list of conditions and the following disclaimer in the
# documentation and/or other materials provided with the distribution.
# * Neither the name of Calxeda Inc. nor the names of its contributors
# may be used to endorse or promote products derived from this software
# without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
# FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
# COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
# BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
# OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
# ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
# TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
# THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
# DAMAGE.
from cxmanage_api.cli import get_nodes, get_tftp, run_command, prompt_yes
def eepromupdate_command(args):
"""Updates the EEPROM's on a cluster or host"""
def validate_config():
"""Makes sure the system type is applicable to EEPROM updates"""
for node in nodes:
if('Dual Node' not in node.get_versions().hardware_version):
print 'ERROR: eepromupdate is only valid on TerraNova systems'
return True
return False
def validate_images():
"""Makes sure all the necessary images have been provided"""
if(args.eeprom_location == 'node'):
for node in nodes:
node_hw_ver = node.get_versions().hardware_version
if('Uplink' in node_hw_ver):
image = 'dual_uplink_node_%s' % (node.node_id % 4)
else:
image = 'dual_node_%s' % (node.node_id % 4)
if(not [img for img in args.images if image in img]):
print 'ERROR: no valid image for node %s' % node.node_id
return True
else:
image = args.images[0]
if('tn_storage.single_slot' not in image):
print 'ERROR: %s is an invalid image for slot EEPROM' % image
return True
return False
def do_update():
"""Updates the EEPROM images"""
if(args.eeprom_location == 'node'):
for node in nodes:
node_hw_ver = node.get_versions().hardware_version
if('Uplink' in node_hw_ver):
needed_image = 'dual_uplink_node_%s' % (node.node_id % 4)
else:
needed_image = 'dual_node_%s' % (node.node_id % 4)
image = [img for img in args.images if needed_image in img][0]
print 'Updating node EEPROM on node %s' % node.node_id
if(args.verbose):
print ' %s' % image
try:
node.update_node_eeprom(image)
except Exception as err:
print 'ERROR: %s' % str(err)
return True
print '' # for readability
else:
image = args.images[0]
# First node in every slot gets the slot image
slot_nodes = [node for node in nodes if node.node_id % 4 == 0]
_, errors = run_command(
args, slot_nodes, "update_slot_eeprom", image
)
if(errors):
print 'ERROR: EEPROM update failed'
return True
return False
if not args.all_nodes:
if args.force:
print(
'WARNING: Updating EEPROM without --all-nodes' +
' is dangerous.'
)
else:
if not prompt_yes(
'WARNING: Updating EEPROM without ' +
'--all-nodes is dangerous. Continue?'
):
return 1
tftp = get_tftp(args)
nodes = get_nodes(args, tftp, verify_prompt=True)
errors = validate_config()
if(not errors):
errors = validate_images()
if(not errors):
errors = do_update()
if not args.quiet and not errors:
print "Command completed successfully."
print "A power cycle is required for the update to take effect.\n"
return errors
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