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##############################################################################
#
# Copyright (c) 2010 Vifib SARL and Contributors. All Rights Reserved.
#
# WARNING: This program as such is intended to be used by professional
# programmers who take the whole responsibility of assessing all potential
# consequences resulting from its eventual inadequacies and bugs
# End users who are looking for a ready-to-use solution with commercial
# guarantees and support are strongly adviced to contract a Free Software
# Service Company
#
# This program is Free Software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 3
# of the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
#
##############################################################################
import os
import sys
import copy
from ConfigParser import ConfigParser
import json
import subprocess
import slapos.slap
import netaddr
import logging
import zc.buildout
class Recipe:
def __init__(self, buildout, name, options):
self.buildout = buildout
self.options = options
self.name = name
self.logger = logging.getLogger(self.name)
def _getIpAddress(self, test_method):
"""Internal helper method to fetch ip address"""
if not 'ip_list' in self.parameter_dict:
raise AttributeError
for name, ip in self.parameter_dict['ip_list']:
if test_method(ip):
return ip
raise AttributeError
def getLocalIPv4Address(self):
"""Returns local IPv4 address available on partition"""
# XXX: Lack checking for locality of address
return self._getIpAddress(netaddr.valid_ipv4)
def getGlobalIPv6Address(self):
"""Returns global IPv6 address available on partition"""
# XXX: Lack checking for globality of address
return self._getIpAddress(netaddr.valid_ipv6)
def getNetworkInterface(self):
"""Returns the network interface available on partition"""
if not 'ip_list' in self.parameter_dict:
raise AttributeError
for name, ip in self.parameter_dict['ip_list']:
if name:
return name
raise AttributeError, "Not network interface found"
def install(self):
slap = slapos.slap.slap()
slap_connection = self.buildout['slap_connection']
computer_id = slap_connection['computer_id']
computer_partition_id = slap_connection['partition_id']
server_url = slap_connection['server_url']
key_file = slap_connection.get('key_file')
cert_file = slap_connection.get('cert_file')
slap.initializeConnection(server_url, key_file, cert_file)
self.computer_partition = slap.registerComputerPartition(
computer_id,
computer_partition_id)
self.parameter_dict = self.computer_partition.getInstanceParameterDict()
software_type = self.parameter_dict['slap_software_type']
self.logger.info('Deploying instance with software type %s' % \
software_type)
# Raise if request software_type does not exist ...
if software_type not in self.options:
# ... Except for backward compatibility. Then use "default".
if software_type in ['RootSoftwareInstance']:
software_type = 'default'
else:
raise zc.buildout.UserError("This software type (%s) isn't mapped." % \
software_type)
instance_file_path = self.options[software_type]
if not os.path.exists(instance_file_path):
raise zc.buildout.UserError("The specified buildout config file %r does "
"not exist." % instance_file_path)
buildout = ConfigParser()
with open(instance_file_path) as instance_path:
buildout.readfp(instance_path)
buildout.set('buildout', 'installed', '.installed-%s.cfg' % self.name)
if not buildout.has_section('slap-parameter'):
buildout.add_section('slap-parameter')
for parameter, value in self.parameter_dict.items():
# All parameters evaluating to False are... False, and shouldn't
# convey any information.
# Here, all those parameters are simply ignored.
if value:
if isinstance(value, str):
buildout.set('slap-parameter', parameter, value)
else:
buildout.set('slap-parameter', parameter, json.dumps(value))
buildout.add_section('slap-network-information')
buildout.set('slap-network-information', 'local-ipv4',
self.getLocalIPv4Address())
buildout.set('slap-network-information', 'global-ipv6',
self.getGlobalIPv6Address())
buildout.set('slap-network-information', 'network-interface',
self.getNetworkInterface())
# Copy/paste slap_connection
buildout.add_section('slap-connection')
for key, value in self.buildout['slap_connection'].iteritems():
# XXX: Waiting for SlapBaseRecipe to use dash instead of underscores
buildout.set('slap-connection', key.replace('_', '-'), value)
# XXX: Needed for lxc. Use non standard API
buildout.set('slap-connection', 'requested', self.computer_partition._requested_state)
work_directory = os.path.abspath(self.buildout['buildout'][
'directory'])
buildout_filename = os.path.join(work_directory,
'buildout-%s.cfg' % self.name)
with open(buildout_filename, 'w') as buildout_file:
buildout.write(buildout_file)
# XXX-Antoine: We gotta find a better way to do this. I tried to check
# out how slapgrid-cp was running buildout. But it is worse than that.
command_line_args = copy.copy(sys.argv) + ['-c', buildout_filename]
self.logger.info("Invoking commandline : '%s'",
' '.join(command_line_args))
subprocess.check_call(command_line_args, cwd=work_directory,
env=os.environ.copy())
return []
update = install