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"""Calxeda: power.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_tftp, get_nodes, get_node_strings, run_command
def power_command(args):
"""change the power state of a cluster or host"""
tftp = get_tftp(args)
nodes = get_nodes(args, tftp)
if not args.quiet:
print 'Sending power %s command...' % args.power_mode
_, errors = run_command(args, nodes, 'set_power', args.power_mode)
if not args.quiet and not errors:
print 'Command completed successfully.\n'
return len(errors) > 0
def power_status_command(args):
"""Executes the power status command with args."""
tftp = get_tftp(args)
nodes = get_nodes(args, tftp)
if not args.quiet:
print 'Getting power status...'
results, errors = run_command(args, nodes, 'get_power')
# Print results
if results:
node_strings = get_node_strings(args, results, justify=True)
print 'Power status'
for node in nodes:
if node in results:
result = 'on' if results[node] else 'off'
print '%s: %s' % (node_strings[node], result)
print
if not args.quiet and errors:
print 'Some errors occured during the command.\n'
return len(errors) > 0
def power_policy_command(args):
"""Executes power policy command with args."""
tftp = get_tftp(args)
nodes = get_nodes(args, tftp)
if not args.quiet:
print 'Setting power policy to %s...' % args.policy
_, errors = run_command(args, nodes, 'set_power_policy',
args.policy)
if not args.quiet and not errors:
print 'Command completed successfully.\n'
return len(errors) > 0
def power_policy_status_command(args):
"""Executes the power policy status command with args."""
tftp = get_tftp(args)
nodes = get_nodes(args, tftp)
if not args.quiet:
print 'Getting power policy status...'
results, errors = run_command(args, nodes, 'get_power_policy')
# Print results
if results:
node_strings = get_node_strings(args, results, justify=True)
print 'Power policy status'
for node in nodes:
if node in results:
print '%s: %s' % (node_strings[node], results[node])
print
if not args.quiet and errors:
print 'Some errors occured during the command.\n'
return len(errors) > 0
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