385 lines
14 KiB
Python
Executable File
385 lines
14 KiB
Python
Executable File
#!/usr/bin/env python
|
|
|
|
# Launch a new OpenStack project infrastructure node.
|
|
|
|
# Copyright (C) 2011-2012 OpenStack LLC.
|
|
#
|
|
# Licensed under the Apache License, Version 2.0 (the "License");
|
|
# you may not use this file except in compliance with the License.
|
|
# You may obtain a copy of the License at
|
|
#
|
|
# http://www.apache.org/licenses/LICENSE-2.0
|
|
#
|
|
# Unless required by applicable law or agreed to in writing, software
|
|
# distributed under the License is distributed on an "AS IS" BASIS,
|
|
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
|
|
# implied.
|
|
#
|
|
# See the License for the specific language governing permissions and
|
|
# limitations under the License.
|
|
|
|
import argparse
|
|
import os
|
|
import shutil
|
|
import subprocess
|
|
import sys
|
|
import threading
|
|
import tempfile
|
|
import time
|
|
import traceback
|
|
|
|
import dns
|
|
import utils
|
|
|
|
import os_client_config
|
|
import paramiko
|
|
import shade
|
|
|
|
SCRIPT_DIR = os.path.dirname(sys.argv[0])
|
|
|
|
try:
|
|
# This unactionable warning does not need to be printed over and over.
|
|
import requests.packages.urllib3
|
|
requests.packages.urllib3.disable_warnings()
|
|
except:
|
|
pass
|
|
|
|
|
|
class JobDir(object):
|
|
def __init__(self, keep=False):
|
|
self.keep = keep
|
|
self.root = tempfile.mkdtemp()
|
|
self.inventory_root = os.path.join(self.root, 'inventory')
|
|
os.makedirs(self.inventory_root)
|
|
self.hosts = os.path.join(self.inventory_root, 'hosts')
|
|
self.groups = os.path.join(self.inventory_root, 'groups')
|
|
self.key = os.path.join(self.root, 'id_rsa')
|
|
self.ansible_log = os.path.join(self.root, 'ansible_log.txt')
|
|
# XXX if we need more, we might like to setup an ansible.cfg
|
|
# file and use that rather than env vars. See
|
|
# zuul/launcher/ansiblelaunchserver.py as an example
|
|
self.env = os.environ.copy()
|
|
self.env['ANSIBLE_LOG_PATH'] = self.ansible_log
|
|
|
|
def __enter__(self):
|
|
return self
|
|
|
|
def __exit__(self, etype, value, tb):
|
|
if not self.keep:
|
|
shutil.rmtree(self.root)
|
|
|
|
|
|
def run(cmd, **args):
|
|
args['stdout'] = subprocess.PIPE
|
|
args['stderr'] = subprocess.STDOUT
|
|
print "Running: %s" % (cmd,)
|
|
proc = subprocess.Popen(cmd, **args)
|
|
out = ''
|
|
for line in iter(proc.stdout.readline, ''):
|
|
sys.stdout.write(line)
|
|
sys.stdout.flush()
|
|
out += line
|
|
ret = proc.wait()
|
|
print "Return code: %s" % (ret,)
|
|
if ret != 0:
|
|
raise subprocess.CalledProcessError(ret, cmd, out)
|
|
return ret
|
|
|
|
|
|
def stream_syslog(ssh_client):
|
|
try:
|
|
ssh_client.ssh('tail -f /var/log/syslog')
|
|
except Exception:
|
|
print "Syslog stream terminated"
|
|
|
|
|
|
def bootstrap_server(server, key, name, volume_device, keep,
|
|
mount_path, fs_label, environment):
|
|
|
|
ip = server.public_v4
|
|
ssh_kwargs = dict(pkey=key)
|
|
|
|
print("--- Running initial configuration on host %s ---" % ip)
|
|
for username in ['root', 'ubuntu', 'centos', 'admin']:
|
|
ssh_client = utils.ssh_connect(ip, username, ssh_kwargs, timeout=600)
|
|
if ssh_client:
|
|
break
|
|
|
|
if not ssh_client:
|
|
raise Exception("Unable to log in via SSH")
|
|
|
|
# cloud-init puts the "please log in as user foo" message and
|
|
# subsequent exit() in root's authorized_keys -- overwrite it with
|
|
# a normal version to get root login working again.
|
|
if username != 'root':
|
|
ssh_client.ssh("sudo cp ~/.ssh/authorized_keys"
|
|
" ~root/.ssh/authorized_keys")
|
|
ssh_client.ssh("sudo chmod 644 ~root/.ssh/authorized_keys")
|
|
ssh_client.ssh("sudo chown root.root ~root/.ssh/authorized_keys")
|
|
|
|
ssh_client = utils.ssh_connect(ip, 'root', ssh_kwargs, timeout=600)
|
|
|
|
# Something up with RAX images that they have the ipv6 interface in
|
|
# /etc/network/interfaces but eth0 hasn't noticed yet; reload it
|
|
ssh_client.ssh('ifdown eth0 && ifup eth0')
|
|
|
|
if server.public_v6:
|
|
ssh_client.ssh('ping6 -c5 -Q 0x10 review.openstack.org '
|
|
'|| ping6 -c5 -Q 0x10 wiki.openstack.org')
|
|
|
|
ssh_client.scp(os.path.join(SCRIPT_DIR, '..', 'make_swap.sh'),
|
|
'make_swap.sh')
|
|
ssh_client.ssh('bash -x make_swap.sh')
|
|
|
|
if volume_device:
|
|
ssh_client.scp(os.path.join(SCRIPT_DIR, '..', 'mount_volume.sh'),
|
|
'mount_volume.sh')
|
|
ssh_client.ssh('bash -x mount_volume.sh %s %s %s' %
|
|
(volume_device, mount_path, fs_label))
|
|
|
|
# This next chunk should really exist as a playbook, but whatev
|
|
ssh_client.scp(os.path.join(SCRIPT_DIR, '..', 'install_puppet.sh'),
|
|
'install_puppet.sh')
|
|
ssh_client.ssh('bash -x install_puppet.sh')
|
|
|
|
# Zero the ansible inventory cache so that next run finds the new server
|
|
inventory_cache = '/var/cache/ansible-inventory/ansible-inventory.cache'
|
|
if os.path.exists(inventory_cache):
|
|
with open(inventory_cache, 'w'):
|
|
pass
|
|
|
|
with JobDir(keep) as jobdir:
|
|
# Update the generated-groups file globally and incorporate it
|
|
# into our inventory
|
|
# Remove cloud and region from the environment to work
|
|
# around a bug in occ
|
|
expand_env = os.environ.copy()
|
|
for env_key in expand_env.keys():
|
|
if env_key.startswith('OS_'):
|
|
expand_env.pop(env_key, None)
|
|
expand_env['ANSIBLE_LOG_PATH'] = jobdir.ansible_log
|
|
|
|
# Regenerate inventory cache, throwing an error if there is an issue
|
|
# so that we don't generate a bogus groups file
|
|
try:
|
|
run(['/etc/ansible/hosts/openstack', '--list'],
|
|
env=expand_env)
|
|
except subprocess.CalledProcessError as e:
|
|
print "Inventory regeneration failed"
|
|
print e.output
|
|
raise
|
|
|
|
run('/usr/local/bin/expand-groups.sh',
|
|
env=expand_env,
|
|
stderr=subprocess.STDOUT)
|
|
|
|
# Write out the private SSH key we generated
|
|
with open(jobdir.key, 'w') as key_file:
|
|
key.write_private_key(key_file)
|
|
os.chmod(jobdir.key, 0o600)
|
|
|
|
# Write out inventory
|
|
with open(jobdir.hosts, 'w') as inventory_file:
|
|
inventory_file.write(
|
|
"{host} ansible_host={ip} ansible_user=root".format(
|
|
host=name, ip=server.interface_ip))
|
|
|
|
os.symlink('/etc/ansible/hosts/generated-groups',
|
|
jobdir.groups)
|
|
|
|
t = threading.Thread(target=stream_syslog, args=(ssh_client,))
|
|
t.daemon = True
|
|
t.start()
|
|
|
|
ansible_cmd = [
|
|
'ansible-playbook',
|
|
'-i', jobdir.inventory_root, '-l', name,
|
|
'--private-key={key}'.format(key=jobdir.key),
|
|
"--ssh-common-args='-o StrictHostKeyChecking=no'",
|
|
'-e', 'target={name}'.format(name=name),
|
|
]
|
|
|
|
if environment is not None:
|
|
ansible_cmd += [
|
|
'-e',
|
|
'puppet_environment={env}'.format(env=environment)]
|
|
# Run the remote puppet apply playbook limited to just this server
|
|
# we just created
|
|
for playbook in [
|
|
'set_hostnames.yml',
|
|
'remote_puppet_adhoc.yaml']:
|
|
run(ansible_cmd + [
|
|
os.path.join(SCRIPT_DIR, '..', 'playbooks', playbook)],
|
|
env=jobdir.env)
|
|
|
|
try:
|
|
ssh_client.ssh("reboot")
|
|
except Exception as e:
|
|
# Some init system kill the connection too fast after reboot.
|
|
# Deal with it by ignoring ssh errors when rebooting.
|
|
if e.rc == -1:
|
|
pass
|
|
else:
|
|
raise
|
|
|
|
|
|
def build_server(cloud, name, image, flavor,
|
|
volume, keep, network, boot_from_volume, config_drive,
|
|
mount_path, fs_label, availability_zone, environment):
|
|
key = None
|
|
server = None
|
|
|
|
create_kwargs = dict(image=image, flavor=flavor, name=name,
|
|
reuse_ips=False, wait=True,
|
|
boot_from_volume=boot_from_volume,
|
|
network=network,
|
|
config_drive=config_drive)
|
|
|
|
if availability_zone:
|
|
create_kwargs['availability_zone'] = availability_zone
|
|
|
|
if volume:
|
|
create_kwargs['volumes'] = [volume]
|
|
|
|
key_name = 'launch-%i' % (time.time())
|
|
key = paramiko.RSAKey.generate(2048)
|
|
public_key = key.get_name() + ' ' + key.get_base64()
|
|
cloud.create_keypair(key_name, public_key)
|
|
create_kwargs['key_name'] = key_name
|
|
|
|
try:
|
|
server = cloud.create_server(**create_kwargs)
|
|
except Exception:
|
|
try:
|
|
cloud.delete_keypair(key_name)
|
|
except Exception:
|
|
print "Exception encountered deleting keypair:"
|
|
traceback.print_exc()
|
|
raise
|
|
|
|
try:
|
|
cloud.delete_keypair(key_name)
|
|
|
|
server = cloud.get_openstack_vars(server)
|
|
if volume:
|
|
volume = cloud.get_volume(volume)
|
|
volume_device = cloud.get_volume_attach_device(volume,
|
|
server['id'])
|
|
else:
|
|
volume_device = None
|
|
bootstrap_server(server, key, name, volume_device, keep,
|
|
mount_path, fs_label, environment)
|
|
print('UUID=%s\nIPV4=%s\nIPV6=%s\n' % (
|
|
server.id, server.public_v4, server.public_v6))
|
|
except Exception:
|
|
print "****"
|
|
print "Server %s failed to build!" % (server.id)
|
|
try:
|
|
if keep:
|
|
print "Keeping as requested"
|
|
# Write out the private SSH key we generated, as we
|
|
# may not have got far enough for ansible to run
|
|
with open('/tmp/%s.id_rsa' % server.id, 'w') as key_file:
|
|
key.write_private_key(key_file)
|
|
os.chmod(key_file.name, 0o600)
|
|
print "Private key saved in %s" % key_file.name
|
|
print "Run to delete -> openstack server delete %s" % \
|
|
(server.id)
|
|
else:
|
|
cloud.delete_server(server.id, delete_ips=True)
|
|
except Exception:
|
|
print "Exception encountered deleting server:"
|
|
traceback.print_exc()
|
|
print "The original exception follows:"
|
|
print "****"
|
|
# Raise the important exception that started this
|
|
raise
|
|
|
|
return server
|
|
|
|
|
|
def main():
|
|
parser = argparse.ArgumentParser()
|
|
parser.add_argument("name", help="server name")
|
|
parser.add_argument("--cloud", dest="cloud", required=True,
|
|
help="cloud name")
|
|
parser.add_argument("--region", dest="region",
|
|
help="cloud region")
|
|
parser.add_argument("--flavor", dest="flavor", default='1GB',
|
|
help="name (or substring) of flavor")
|
|
parser.add_argument("--image", dest="image",
|
|
default="Ubuntu 14.04 LTS (Trusty Tahr) (PVHVM)",
|
|
help="image name")
|
|
parser.add_argument("--environment", dest="environment",
|
|
help="Puppet environment to use",
|
|
default=None)
|
|
parser.add_argument("--volume", dest="volume",
|
|
help="UUID of volume to attach to the new server.",
|
|
default=None)
|
|
parser.add_argument("--mount-path", dest="mount_path",
|
|
help="Path to mount cinder volume at.",
|
|
default=None)
|
|
parser.add_argument("--fs-label", dest="fs_label",
|
|
help="FS label to use when mounting cinder volume.",
|
|
default=None)
|
|
parser.add_argument("--boot-from-volume", dest="boot_from_volume",
|
|
help="Create a boot volume for the server and use it.",
|
|
action='store_true',
|
|
default=False)
|
|
parser.add_argument("--keep", dest="keep",
|
|
help="Don't clean up or delete the server on error.",
|
|
action='store_true',
|
|
default=False)
|
|
parser.add_argument("--verbose", dest="verbose", default=False,
|
|
action='store_true',
|
|
help="Be verbose about logging cloud actions")
|
|
parser.add_argument("--network", dest="network", default=None,
|
|
help="network label to attach instance to")
|
|
parser.add_argument("--config-drive", dest="config_drive",
|
|
help="Boot with config_drive attached.",
|
|
action='store_true',
|
|
default=False)
|
|
parser.add_argument("--az", dest="availability_zone", default=None,
|
|
help="AZ to boot in.")
|
|
options = parser.parse_args()
|
|
|
|
shade.simple_logging(debug=options.verbose)
|
|
|
|
cloud_kwargs = {}
|
|
if options.region:
|
|
cloud_kwargs['region_name'] = options.region
|
|
cloud_config = os_client_config.OpenStackConfig().get_one_cloud(
|
|
options.cloud, **cloud_kwargs)
|
|
|
|
cloud = shade.OpenStackCloud(cloud_config)
|
|
|
|
flavor = cloud.get_flavor(options.flavor)
|
|
if flavor:
|
|
print "Found flavor", flavor.name
|
|
else:
|
|
print "Unable to find matching flavor; flavor list:"
|
|
for i in cloud.list_flavors():
|
|
print i.name
|
|
sys.exit(1)
|
|
|
|
image = cloud.get_image_exclude(options.image, 'deprecated')
|
|
if image:
|
|
print "Found image", image.name
|
|
else:
|
|
print "Unable to find matching image; image list:"
|
|
for i in cloud.list_images():
|
|
print i.name
|
|
sys.exit(1)
|
|
|
|
server = build_server(cloud, options.name, image, flavor,
|
|
options.volume, options.keep,
|
|
options.network, options.boot_from_volume,
|
|
options.config_drive,
|
|
options.mount_path, options.fs_label,
|
|
options.availability_zone,
|
|
options.environment)
|
|
dns.print_dns(cloud, server)
|
|
|
|
if __name__ == '__main__':
|
|
main()
|