7730a743bb
Fuel agent is a bunch of tools which are supposed to be placed on bootstrap image and used for node discovering and image based provisioning. Implements: blueprint image-based-provisioning Change-Id: I946decd50c51e6db767401682d9effbe3cf42bed
145 lines
4.9 KiB
Python
145 lines
4.9 KiB
Python
# Copyright 2014 Mirantis, Inc.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import os
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from oslo.config import cfg
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from fuel_agent import errors
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from fuel_agent.utils import fs_utils as fu
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from fuel_agent.utils import lvm_utils as lu
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from fuel_agent.utils import md_utils as mu
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from fuel_agent.utils import partition_utils as pu
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from fuel_agent.utils import utils
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opts = [
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cfg.StrOpt(
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'data_driver',
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default='nailgun',
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help='Data driver'
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),
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cfg.StrOpt(
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'nc_template_path',
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default='/usr/share/fuel-agent/cloud-init-templates',
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help='Path to directory with cloud init templates',
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),
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cfg.StrOpt(
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'tmp_path',
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default='/tmp',
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help='Temporary directory for file manipulations',
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),
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cfg.StrOpt(
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'config_drive_path',
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default='/tmp/config-drive.img',
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help='Path where to store generated config drive image',
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),
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]
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CONF = cfg.CONF
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CONF.register_opts(opts)
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class Manager(object):
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def __init__(self, data):
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self.driver = utils.get_driver(CONF.data_driver)(data)
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self.partition_scheme = None
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self.configdrive_scheme = None
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self.image_scheme = None
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def do_parsing(self):
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self.partition_scheme = self.driver.partition_scheme()
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self.configdrive_scheme = self.driver.configdrive_scheme()
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self.image_scheme = self.driver.image_scheme(self.partition_scheme)
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def do_partitioning(self):
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for parted in self.partition_scheme.parteds:
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pu.make_label(parted.name, parted.label)
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for prt in parted.partititons:
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pu.make_partition(prt.device, prt.begin, prt.end, prt.type)
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for flag in prt.flags:
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pu.set_partition_flag(prt.device, prt.count, flag)
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# creating meta disks
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for md in self.partition_scheme.mds:
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mu.mdcreate(md.name, md.level, *md.devices)
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# creating physical volumes
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for pv in self.partition_scheme.pvs:
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lu.pvcreate(pv.name)
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# creating volume groups
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for vg in self.partition_scheme.vgs:
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lu.vgcreate(vg.name, *vg.pvnames)
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# creating logical volumes
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for lv in self.partition_scheme.lvs:
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lu.lvcreate(lv.vgname, lv.name, lv.size)
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# making file systems
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for fs in self.partition_scheme.fss:
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fu.make_fs(fs.type, fs.options, fs.label, fs.device)
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def do_configdrive(self):
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cc_output_path = os.path.join(CONF.tmp_path, 'cloud_config.txt')
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bh_output_path = os.path.join(CONF.tmp_path, 'boothook.txt')
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# NOTE:file should be strictly named as 'user-data'
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ud_output_path = os.path.join(CONF.tmp_path, 'user-data')
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md_output_path = os.path.join(CONF.tmp_path, 'meta-data')
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tmpl_dir = CONF.nc_template_path
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utils.render_and_save(
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tmpl_dir, self.configdrive_scheme.template_name('cloud_config'),
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self.configdrive_scheme.template_data(), cc_output_path
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)
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utils.render_and_save(
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tmpl_dir, self.configdrive_scheme.template_name('boothook'),
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self.configdrive_scheme.template_data(), bh_output_path
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)
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utils.render_and_save(
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tmpl_dir, self.configdrive_scheme.template_name('meta-data'),
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self.configdrive_scheme.template_data(), md_output_path
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)
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utils.execute('write-mime-multipart', '--output=%s' % ud_output_path,
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'%s:text/cloud-boothook' % bh_output_path,
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'%s:text/cloud-config' % cc_output_path)
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utils.execute('genisoimage', '-output', CONF.config_drive_path,
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'-volid', 'cidata', '-joliet', '-rock', ud_output_path,
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md_output_path)
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configdrive_device = self.partition_scheme.configdrive_device()
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if configdrive_device is None:
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raise errors.WrongPartitionSchemeError(
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'Error while trying to get configdrive device: '
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'configdrive device not found')
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self.image_scheme.add_configdrive_image(
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uri='file://%s' % CONF.config_drive_path,
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target_device=configdrive_device,
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image_format='iso9660',
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container='raw',
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)
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def do_copyimage(self):
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pass
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def do_bootloader(self):
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pass
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def do_provisioning(self):
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self.do_parsing()
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self.do_partitioning()
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self.do_configdrive()
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self.do_copyimage()
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self.do_bootloader()
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