99 lines
3.9 KiB
Python
99 lines
3.9 KiB
Python
# Copyright 2016 Mirantis, Inc.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# 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, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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from copy import deepcopy
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import os
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from devops.helpers import subprocess_runner
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from devops import logger
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def generate_cloud_image_settings(cloud_image_settings_path, meta_data_path,
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user_data_path, admin_network,
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interface_name, admin_ip, admin_netmask,
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gateway,
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hostname,
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meta_data_content=None,
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user_data_content=None):
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# create dir for meta_data, user_data and cloud_ISO
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dir_path = os.path.dirname(cloud_image_settings_path)
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if not os.path.exists(dir_path):
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os.makedirs(dir_path)
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# create meta_data and user_data
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# Variables in the '{ }' that will be substituted with real values
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data_context = {
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"interface_name": interface_name,
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"address": admin_ip,
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"network": admin_network,
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"netmask": admin_netmask,
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"gateway": gateway,
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"hostname": hostname
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}
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if meta_data_content is None:
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meta_data_content = ("instance-id: iid-local1\n"
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"network-interfaces: |\n"
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" auto {interface_name}\n"
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" iface {interface_name} inet static\n"
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" address {address}\n"
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" network {network}\n"
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" netmask {netmask}\n"
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" gateway {gateway}\n"
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" dns-nameservers 8.8.8.8\n"
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"local-hostname: {hostname}")
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logger.debug("meta_data contains next data: \n{}".format(
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meta_data_content.format(**data_context)))
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with open(meta_data_path, 'w') as f:
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f.write(meta_data_content.format(**data_context))
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if user_data_content is None:
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user_data_content = ("\n#cloud-config\n"
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"ssh_pwauth: True\n"
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"chpasswd:\n"
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" list: |\n"
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" root:r00tme\n"
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" expire: False\n\n"
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"runcmd:\n"
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" - sudo ifup {interface_name}\n"
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" - sudo sed -i -e '/^PermitRootLogin/s/^"
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".*$/PermitRootLogin yes/' /etc/ssh/sshd_config\n"
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" - sudo service ssh restart\n"
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" - sudo route add default gw "
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"{gateway} {interface_name}")
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# FIXME this hack should be rewrited!
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# Workaround to be able pass bash-style variables ${}
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fmt_user_data_content = deepcopy(user_data_content)
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for _key in data_context.keys():
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_repl = "{{{0}}}".format(_key)
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fmt_user_data_content = \
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fmt_user_data_content.replace(_repl, data_context[_key])
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with open(user_data_path, 'w') as f:
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f.write(fmt_user_data_content)
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logger.debug(
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"user_data contains next data:\n{}".format(fmt_user_data_content))
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# Generate cloud_ISO
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cmd = "genisoimage -output {} " \
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"-volid cidata -joliet " \
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"-rock {} {}".format(cloud_image_settings_path,
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user_data_path,
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meta_data_path)
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subprocess_runner.Subprocess.check_call(cmd)
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