openstack/python-tripleoclient
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python-tripleoclient/tripleoclient/utils.py

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# Copyright 2015 Red Hat, Inc.
#
# 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.
#
from __future__ import print_function
import collections
try:
collectionsAbc = collections.abc
except AttributeError:
collectionsAbc = collections
import csv
import datetime
import errno
import getpass
import glob
import hashlib
import logging
from six.moves.configparser import ConfigParser
import json
import netaddr
import os
import os.path
import pwd
import shutil
import simplejson
import six
import socket
import subprocess
import sys
import tempfile
import time
import yaml
import ansible_runner
from heatclient.common import event_utils
from heatclient.common import template_utils
from heatclient.common import utils as heat_utils
from heatclient.exc import HTTPNotFound
from osc_lib import exceptions as oscexc
from osc_lib.i18n import _
from oslo_concurrency import processutils
from six.moves import configparser
from heatclient import exc as hc_exc
from six.moves.urllib import error as url_error
from six.moves.urllib import request
from tripleoclient import constants
from tripleoclient import exceptions
LOG = logging.getLogger(__name__ + ".utils")
# NOTE(cloudnull): This is setting the FileExistsError for py2 environments.
# When we no longer support py2 (centos7) this should be
# removed.
try:
FileExistsError = FileExistsError
except NameError:
FileExistsError = OSError
class Pushd(object):
"""Simple context manager to change directories and then return."""
def __init__(self, directory):
"""This context manager will enter and exit directories.
>>> with Pushd(directory='/tmp'):
... with open('file', 'w') as f:
... f.write('test')
:param directory: path to change directory to
:type directory: `string`
"""
self.dir = directory
self.pwd = self.cwd = os.getcwd()
def __enter__(self):
os.chdir(self.dir)
self.cwd = os.getcwd()
return self
def __exit__(self, *args):
if self.pwd != self.cwd:
os.chdir(self.pwd)
class TempDirs(object):
"""Simple context manager to manage temp directories."""
def __init__(self, dir_path=None, dir_prefix='tripleo', cleanup=True,
chdir=True):
"""This context manager will create, push, and cleanup temp directories.
>>> with TempDirs() as t:
... with open('file', 'w') as f:
... f.write('test')
... print(t)
... os.mkdir('testing')
... with open(os.path.join(t, 'file')) as w:
... print(w.read())
... with open('testing/file', 'w') as f:
... f.write('things')
... with open(os.path.join(t, 'testing/file')) as w:
... print(w.read())
:param dir_path: path to create the temp directory
:type dir_path: `string`
:param dir_prefix: prefix to add to a temp directory
:type dir_prefix: `string`
:param cleanup: when enabled the temp directory will be
removed on exit.
:type cleanup: `boolean`
:param chdir: Change to/from the created temporary dir on enter/exit.
:type chdir: `boolean`
"""
# NOTE(cloudnull): kwargs for tempfile.mkdtemp are created
# because args are not processed correctly
# in py2. When we drop py2 support (cent7)
# these args can be removed and used directly
# in the `tempfile.mkdtemp` function.
tempdir_kwargs = dict()
if dir_path:
tempdir_kwargs['dir'] = dir_path
if dir_prefix:
tempdir_kwargs['prefix'] = dir_prefix
self.dir = tempfile.mkdtemp(**tempdir_kwargs)
self.pushd = Pushd(directory=self.dir)
self.cleanup = cleanup
self.chdir = chdir
def __enter__(self):
if self.chdir:
self.pushd.__enter__()
return self.dir
def __exit__(self, *args):
if self.chdir:
self.pushd.__exit__()
if self.cleanup:
self.clean()
else:
LOG.warning("Not cleaning temporary directory [ %s ]" % self.dir)
def clean(self):
shutil.rmtree(self.dir, ignore_errors=True)
LOG.info("Temporary directory [ %s ] cleaned up" % self.dir)
def _encode_envvars(env):
"""Encode a hash of values.
:param env: A hash of key=value items.
:type env: `dict`.
"""
for key, value in env.items():
env[key] = six.text_type(value)
else:
return env
def makedirs(dir_path):
"""Recursively make directories and log the interaction.
:param dir_path: full path of the directories to make.
:type dir_path: `string`
:returns: `boolean`
"""
try:
os.makedirs(dir_path)
except FileExistsError:
LOG.debug(
'Directory "{}" was not created because it'
' already exists.'.format(
dir_path
)
)
return False
else:
LOG.debug('Directory "{}" was created.'.format(dir_path))
return True
def run_ansible_playbook(playbook, inventory, workdir, playbook_dir=None,
connection='smart', output_callback='yaml',
ssh_user='root', key=None, module_path=None,
limit_hosts=None, tags=None, skip_tags=None,
verbosity=0, quiet=False, extra_vars=None,
plan='overcloud', gathering_policy='smart',
extra_env_variables=None, parallel_run=False,
callback_whitelist=None, ansible_cfg=None):
"""Simple wrapper for ansible-playbook.
:param playbook: Playbook filename.
:type playbook: String
:param inventory: Either proper inventory file, or a coma-separated list.
:type inventory: String
:param workdir: Location of the working directory.
:type workdir: String
:param playbook_dir: Location of the playbook directory.
(defaults to workdir).
:type playbook_dir: String
:param connection: Connection type (local, smart, etc).
:type connection: String
:param output_callback: Callback for output format. Defaults to "json".
:type output_callback: String
:param callback_whitelist: Comma separated list of callback plugins.
Defaults to the value of `output_callback`.
When the verbosity is > 0 "profile_tasks"
will also be whitelisted.
:type callback_whitelist: String
:param ssh_user: User for the ssh connection.
:type ssh_user: String
:param key: Private key to use for the ssh connection.
:type key: String
:param module_path: Location of the ansible module and library.
:type module_path: String
:param limit_hosts: Limit the execution to the hosts.
:type limit_hosts: String
:param tags: Run specific tags.
:type tags: String
:param skip_tags: Skip specific tags.
:type skip_tags: String
:param verbosity: Verbosity level for Ansible execution.
:type verbosity: Integer
:param quiet: Disable all output (Defaults to False)
:type quiet: Boolean
:param extra_vars: Set additional variables as a Dict or the absolute
path of a JSON or YAML file type.
:type extra_vars: Either a Dict or the absolute path of JSON or YAML
:param plan: Plan name (Defaults to "overcloud").
:type plan: String
:param gathering_policy: This setting controls the default policy of
fact gathering ('smart', 'implicit', 'explicit').
:type gathering_facts: String
:param extra_env_variables: Dict option to extend or override any of the
default environment variables.
:type extra_env_variables: Dict
:param parallel_run: Isolate playbook execution when playbooks are to be
executed with multi-processing.
:type parallel_run: Boolean
:param ansible_cfg: Path to an ansible configuration file. One will be
generated in the artifact path if this option is None.
:type ansible_cfg: String
"""
def _playbook_check(play):
if not os.path.exists(play):
play = os.path.join(playbook_dir, play)
if not os.path.exists(play):
raise RuntimeError('No such playbook: {}'.format(play))
LOG.debug('Ansible playbook {} found'.format(play))
return play
if not playbook_dir:
playbook_dir = workdir
if isinstance(playbook, (list, set)):
playbook = [_playbook_check(play=i) for i in playbook]
LOG.info(
'Running Ansible playbooks: {},'
' Working directory: {},'
' Playbook directory: {}'.format(
playbook,
workdir,
playbook_dir
)
)
else:
playbook = _playbook_check(play=playbook)
LOG.info(
'Running Ansible playbook: {},'
' Working directory: {},'
' Playbook directory: {}'.format(
playbook,
workdir,
playbook_dir
)
)
cwd = os.getcwd()
ansible_fact_path = os.path.join(
os.path.join(
tempfile.gettempdir(),
'tripleo-ansible'
),
'fact_cache'
)
makedirs(ansible_fact_path)
extravars = {
'ansible_ssh_extra_args': (
'-o UserKnownHostsFile={} '
'-o StrictHostKeyChecking=no '
'-o ControlMaster=auto '
'-o ControlPersist=30m '
'-o ServerAliveInterval=64 '
'-o ServerAliveCountMax=1024 '
'-o Compression=no '
'-o TCPKeepAlive=yes '
'-o VerifyHostKeyDNS=no '
'-o ForwardX11=no '
'-o ForwardAgent=yes '
'-o PreferredAuthentications=publickey '
'-T'
).format(os.devnull)
}
if extra_vars:
if isinstance(extra_vars, dict):
extravars.update(extra_vars)
elif os.path.exists(extra_vars) and os.path.isfile(extra_vars):
with open(extra_vars) as f:
extravars.update(yaml.safe_load(f.read()))
if callback_whitelist:
callback_whitelist = ','.join([callback_whitelist, output_callback])
else:
callback_whitelist = output_callback
callback_whitelist = ','.join([callback_whitelist, 'profile_tasks'])
env = os.environ.copy()
env['ANSIBLE_DISPLAY_FAILED_STDERR'] = True
env['ANSIBLE_FORKS'] = 36
env['ANSIBLE_TIMEOUT'] = 30
env['ANSIBLE_GATHER_TIMEOUT'] = 45
env['ANSIBLE_SSH_RETRIES'] = 3
env['ANSIBLE_PIPELINING'] = True
env['ANSIBLE_REMOTE_USER'] = ssh_user
env['ANSIBLE_STDOUT_CALLBACK'] = output_callback
env['ANSIBLE_LIBRARY'] = os.path.expanduser(
'~/.ansible/plugins/modules:'
'{}:{}:'
'/usr/share/ansible/tripleo-plugins/modules:'
'/usr/share/ansible/plugins/modules:'
'/usr/share/ceph-ansible/library:'
'{}/library'.format(
os.path.join(workdir, 'modules'),
os.path.join(cwd, 'modules'),
constants.DEFAULT_VALIDATIONS_BASEDIR
)
)
env['ANSIBLE_LOOKUP_PLUGINS'] = os.path.expanduser(
'~/.ansible/plugins/lookup:'
'{}:{}:'
'/usr/share/ansible/tripleo-plugins/lookup:'
'/usr/share/ansible/plugins/lookup:'
'/usr/share/ceph-ansible/plugins/lookup:'
'{}/lookup_plugins'.format(
os.path.join(workdir, 'lookup'),
os.path.join(cwd, 'lookup'),
constants.DEFAULT_VALIDATIONS_BASEDIR
)
)
env['ANSIBLE_CALLBACK_PLUGINS'] = os.path.expanduser(
'~/.ansible/plugins/callback:'
'{}:{}:'
'/usr/share/ansible/tripleo-plugins/callback:'
'/usr/share/ansible/plugins/callback:'
'/usr/share/ceph-ansible/plugins/callback:'
'{}/callback_plugins'.format(
os.path.join(workdir, 'callback'),
os.path.join(cwd, 'callback'),
constants.DEFAULT_VALIDATIONS_BASEDIR
)
)
env['ANSIBLE_ACTION_PLUGINS'] = os.path.expanduser(
'~/.ansible/plugins/action:'
'{}:{}:'
'/usr/share/ansible/tripleo-plugins/action:'
'/usr/share/ansible/plugins/action:'
'/usr/share/ceph-ansible/plugins/actions:'
'{}/action_plugins'.format(
os.path.join(workdir, 'action'),
os.path.join(cwd, 'action'),
constants.DEFAULT_VALIDATIONS_BASEDIR
)
)
env['ANSIBLE_FILTER_PLUGINS'] = os.path.expanduser(
'~/.ansible/plugins/filter:'
'{}:{}:'
'/usr/share/ansible/tripleo-plugins/filter:'
'/usr/share/ansible/plugins/filter:'
'/usr/share/ceph-ansible/plugins/filter:'
'{}/filter_plugins'.format(
os.path.join(workdir, 'filter'),
os.path.join(cwd, 'filter'),
constants.DEFAULT_VALIDATIONS_BASEDIR
)
)
env['ANSIBLE_ROLES_PATH'] = os.path.expanduser(
'~/.ansible/roles:'
'{}:{}:'
'/usr/share/ansible/tripleo-roles:'
'/usr/share/ansible/roles:'
'/usr/share/ceph-ansible/roles:'
'/etc/ansible/roles:'
'{}/roles'.format(
os.path.join(workdir, 'roles'),
os.path.join(cwd, 'roles'),
constants.DEFAULT_VALIDATIONS_BASEDIR
)
)
env['ANSIBLE_CALLBACK_WHITELIST'] = callback_whitelist
env['ANSIBLE_RETRY_FILES_ENABLED'] = False
env['ANSIBLE_HOST_KEY_CHECKING'] = False
env['ANSIBLE_TRANSPORT'] = connection
env['ANSIBLE_CACHE_PLUGIN_TIMEOUT'] = 7200
if connection == 'local':
env['ANSIBLE_PYTHON_INTERPRETER'] = sys.executable
if gathering_policy in ('smart', 'explicit', 'implicit'):
env['ANSIBLE_GATHERING'] = gathering_policy
if module_path:
env['ANSIBLE_LIBRARY'] = ':'.join(
[env['ANSIBLE_LIBRARY'], module_path]
)
env['TRIPLEO_PLAN_NAME'] = plan
try:
user_pwd = pwd.getpwuid(int(os.getenv('SUDO_UID', os.getuid())))
except TypeError:
home = os.path.expanduser('~')
else:
home = user_pwd.pw_dir
env['ANSIBLE_LOG_PATH'] = os.path.join(home, 'ansible.log')
if key:
env['ANSIBLE_PRIVATE_KEY_FILE'] = key
if extra_env_variables:
if not isinstance(extra_env_variables, dict):
msg = "extra_env_variables must be a dict"
LOG.error(msg)
raise SystemError(msg)
else:
env.update(extra_env_variables)
with TempDirs(chdir=False) as ansible_artifact_path:
if 'ANSIBLE_CONFIG' not in env and not ansible_cfg:
ansible_cfg = os.path.join(ansible_artifact_path, 'ansible.cfg')
config = configparser.ConfigParser()
config.add_section('defaults')
config.set('defaults', 'internal_poll_interval', '0.05')
with open(ansible_cfg, 'w') as f:
config.write(f)
env['ANSIBLE_CONFIG'] = ansible_cfg
elif 'ANSIBLE_CONFIG' not in env and ansible_cfg:
env['ANSIBLE_CONFIG'] = ansible_cfg
r_opts = {
'private_data_dir': workdir,
'project_dir': playbook_dir,
'inventory': inventory,
'envvars': _encode_envvars(env=env),
'playbook': playbook,
'verbosity': verbosity,
'quiet': quiet,
'extravars': extravars,
'fact_cache': ansible_fact_path,
'fact_cache_type': 'jsonfile',
'artifact_dir': ansible_artifact_path,
'rotate_artifacts': 256
}
if skip_tags:
r_opts['skip_tags'] = skip_tags
if tags:
r_opts['tags'] = tags
if limit_hosts:
r_opts['limit'] = limit_hosts
if parallel_run:
r_opts['directory_isolation_base_path'] = ansible_artifact_path
runner_config = ansible_runner.runner_config.RunnerConfig(**r_opts)
runner_config.prepare()
# NOTE(cloudnull): overload the output callback after prepare
# to define the specific format we want.
# This is only required until PR
# https://github.com/ansible/ansible-runner/pull/387
# is merged and released. After this PR has been
# made available to us, this line should be removed.
runner_config.env['ANSIBLE_STDOUT_CALLBACK'] = \
r_opts['envvars']['ANSIBLE_STDOUT_CALLBACK']
runner = ansible_runner.Runner(config=runner_config)
status, rc = runner.run()
if rc != 0:
err_msg = (
'Ansible execution failed. playbook: {},'
' Run Status: {},'
' Return Code: {}'.format(
playbook,
status,
rc
)
)
if not quiet:
LOG.error(err_msg)
raise ansible_runner.AnsibleRunnerException(err_msg)
LOG.info(
'Ansible execution success. playbook: {}'.format(
playbook
)
)
return rc, status
def convert(data):
"""Recursively converts dictionary keys,values to strings."""
if isinstance(data, six.string_types):
return str(data)
elif isinstance(data, collectionsAbc.Mapping):
return dict(map(convert, six.iteritems(data)))
elif isinstance(data, collectionsAbc.Iterable):
return type(data)(map(convert, data))
else:
return data
def bracket_ipv6(address):
"""Put a bracket around address if it is valid IPv6
Return it unchanged if it is a hostname or IPv4 address.
"""
try:
socket.inet_pton(socket.AF_INET6, address)
return "[%s]" % address
except socket.error:
return address
def is_valid_ip(ip):
"""Return True if the IP is either v4 or v6
Return False if invalid.
"""
return netaddr.valid_ipv4(ip) or netaddr.valid_ipv6(ip)
def is_loopback(host):
"""Return True of the IP or the host is a loopback
Return False if not.
"""
loopbacks = ['127', '::1']
for l in loopbacks:
if host.startswith(l):
return True
return False
def get_host_ips(host, type=None):
"""Lookup an host to return a list of IPs.
:param host: Host to lookup
:type host: string
:param type: Type of socket (e.g. socket.AF_INET, socket.AF_INET6)
:type type: string
"""
ips = set()
if type:
types = (type,)
else:
types = (socket.AF_INET, socket.AF_INET6)
for t in types:
try:
res = socket.getaddrinfo(host, None, t, socket.SOCK_STREAM)
except socket.error:
continue
nips = set([x[4][0] for x in res])
ips.update(nips)
return list(ips)
def get_single_ip(host, allow_loopback=False):
"""Translate an hostname into a single IP address if it is a valid IP.
:param host: IP or hostname or FQDN to lookup
:type host: string
:param allow_loopback: Whether or not a loopback IP can be returned.
Defaults is False.
:type allow_loopback: boolean
Return the host unchanged if it is already an IPv4 or IPv6 address.
"""
ip = host
if not is_valid_ip(host):
ips = get_host_ips(host)
if not ips:
raise exceptions.LookupError('No IP was found for the host: '
'%s' % host)
else:
ip = ips[0]
if len(ips) > 1:
raise exceptions.LookupError('More than one IP was found for the '
'host %s: %s' % (host, ips))
if not allow_loopback and is_loopback(ip):
raise exceptions.LookupError('IP address for host %s is a loopback'
' IP: %s' % (host, ip))
if not is_valid_ip(ip):
raise exceptions.LookupError('IP address for host %s is not a '
'valid IP: %s' % (host, ip))
return ip
def write_env_file(env_data, env_file, registry_overwrites):
"""Write the tht env file as yaml"""
data = {'parameter_defaults': env_data}
if registry_overwrites:
data['resource_registry'] = registry_overwrites
with open(env_file, "w") as f:
dumper = yaml.dumper.SafeDumper
dumper.ignore_aliases = lambda self, data: True
yaml.dump(data, f, default_flow_style=False, Dumper=dumper)
def write_overcloudrc(stack_name, overcloudrcs, config_directory='.'):
"""Write the overcloudrc files"""
rcpath = os.path.join(config_directory, '%src' % stack_name)
with open(rcpath, 'w') as rcfile:
rcfile.write(overcloudrcs['overcloudrc'])
os.chmod(rcpath, 0o600)
return os.path.abspath(rcpath)
def store_cli_param(command_name, parsed_args):
"""write the cli parameters into an history file"""
# The command name is the part after "openstack" with spaces. Switching
# to "-" makes it easier to read. "openstack undercloud install" will be
# stored as "undercloud-install" for example.
command_name = command_name.replace(" ", "-")
history_path = os.path.join(os.path.expanduser("~"), '.tripleo')
makedirs(history_path)
if os.path.isdir(history_path):
try:
with open(os.path.join(history_path,
'history'), 'a') as history:
args = parsed_args.__dict__.copy()
used_args = ', '.join('%s=%s' % (key, value)
for key, value in args.items())
history.write(' '.join([str(datetime.datetime.now()),
str(command_name), used_args, "\n"]))
except IOError as e:
messages = _("Unable to write into TripleO history file: "
"{0}, {1}").format(history_path, e)
raise IOError(messages)
else:
raise exceptions.InvalidConfiguration(_("Target path %s is not a "
"directory") % history_path)
def create_tempest_deployer_input(config_name='tempest-deployer-input.conf'):
config = configparser.ConfigParser()
# Create required sections
for section in ('auth', 'compute', 'compute-feature-enabled', 'identity',
'image', 'network', 'object-storage', 'orchestration',
'volume', 'volume-feature-enabled'):
config.add_section(section)
# Dynamic credentials means tempest will create the required credentials if
# a test requires a new account to work, tempest will create one just for
# that test
config.set('auth', 'use_dynamic_credentials', 'true')
# Does the test environment support obtaining instance serial console
# output? (default: true)
# set in [nova.serial_console]->enabled
config.set('compute-feature-enabled', 'console_output', 'false')
# Role required for users to be able to manage stacks
# (default: 'heat_stack_owner')
# keystone role-list returns this role
config.set('orchestration', 'stack_owner_role', 'swiftoperator')
# Name of the backend1 (must be declared in cinder.conf)
# (default: 'BACKEND_1')
# set in [cinder]->enabled_backends
config.set('volume', 'backend1_name', 'tripleo_iscsi')
# Update bootable status of a volume Not implemented on icehouse
# (default: false)
# python-cinderclient supports set-bootable
config.set('volume-feature-enabled', 'bootable', 'true')
# Fix region value because TripleO is using non-standard value
for section in ('compute', 'identity', 'image', 'network',
'object-storage', 'orchestration', 'volume'):
config.set(section, 'region', 'regionOne')
with open(config_name, 'w+') as config_file:
config.write(config_file)
def wait_for_stack_ready(orchestration_client, stack_name, marker=None,
action='CREATE', verbose=False, nested_depth=2,
max_retries=10):
"""Check the status of an orchestration stack
Get the status of an orchestration stack and check whether it is complete
or failed.
:param orchestration_client: Instance of Orchestration client
:type orchestration_client: heatclient.v1.client.Client
:param stack_name: Name or UUID of stack to retrieve
:type stack_name: string
:param marker: UUID of the last stack event before the current action
:type marker: string
:param action: Current action to check the stack for COMPLETE
:type action: string
:param verbose: Whether to print events
:type verbose: boolean
:param nested_depth: Max depth to look for events
:type nested_depth: int
:param max_retries: Number of retries in the case of server problems
:type max_retries: int
"""
log = logging.getLogger(__name__ + ".wait_for_stack_ready")
stack = get_stack(orchestration_client, stack_name)
if not stack:
return False
stack_name = "%s/%s" % (stack.stack_name, stack.id)
if verbose:
out = sys.stdout
else:
out = open(os.devnull, "w")
retries = 0
while retries <= max_retries:
try:
stack_status, msg = event_utils.poll_for_events(
orchestration_client, stack_name, action=action,
poll_period=5, marker=marker, out=out,
nested_depth=nested_depth)
print(msg)
return stack_status == '%s_COMPLETE' % action
except hc_exc.HTTPException as e:
if e.code in [500, 503, 504]:
retries += 1
log.warning("Server issue while waiting for stack to be ready."
" Attempting retry {} of {}".format(retries,
max_retries))
time.sleep(retries * 5)
continue
log.error("Error occured while waiting for stack to be ready.")
raise e
finally:
if not verbose:
out.close()
raise RuntimeError(
"wait_for_stack_ready: Max retries {} reached".format(max_retries))
def get_stack_output_item(stack, item):
if not stack:
return None
for output in stack.to_dict().get('outputs', {}):
if output['output_key'] == item:
return output['output_value']
# item not found in outputs
return None
def get_overcloud_endpoint(stack):
return get_stack_output_item(stack, 'KeystoneURL')
def get_service_ips(stack):
service_ips = {}
for output in stack.to_dict().get('outputs', {}):
service_ips[output['output_key']] = output['output_value']
return service_ips
def get_endpoint_map(stack):
endpoint_map = get_stack_output_item(stack, 'EndpointMap')
if not endpoint_map:
endpoint_map = {}
return endpoint_map
def get_blacklisted_ip_addresses(stack):
return get_stack_output_item(stack, 'BlacklistedIpAddresses')
def get_role_net_ip_map(stack):
return get_stack_output_item(stack, 'RoleNetIpMap')
def get_endpoint(key, stack):
endpoint_map = get_endpoint_map(stack)
if endpoint_map:
return endpoint_map[key]['host']
else:
return get_service_ips(stack).get(key + 'Vip')
def get_stack(orchestration_client, stack_name):
"""Get the ID for the current deployed overcloud stack if it exists.
Caller is responsible for checking if return is None
"""
try:
stack = orchestration_client.stacks.get(stack_name)
return stack
except HTTPNotFound:
pass
def check_stack_network_matches_env_files(stack, environment):
"""Check stack against proposed env files to ensure non-breaking change
Historically we have have had issues with folks forgetting the network
isolation templates in subsequent overcloud actions which have completely
broken the stack. We need to check that the networks continue to be
provided on updates and if they aren't, it's likely that the user has
failed to provide the network-isolation templates. This is a light check
to only ensure they are defined. A user can still change settings in these
networks that may break things but this will catch folks who forget
network-isolation in a subsequent update.
"""
def _get_networks(registry):
nets = set()
for k, v in six.iteritems(registry):
if (k.startswith('OS::TripleO::Network::')
and not k.startswith('OS::TripleO::Network::Port')
and v != 'OS::Heat::None'):
nets.add(k)
return nets
stack_registry = stack.environment().get('resource_registry', {})
env_registry = environment.get('resource_registry', {})
stack_nets = _get_networks(stack_registry)
env_nets = _get_networks(env_registry)
env_diff = set(stack_nets) - set(env_nets)
if env_diff:
raise exceptions.InvalidConfiguration('Missing networks from '
'environment configuration. '
'Ensure the following networks '
'are properly configured in '
'the provided environment files '
'[{}]'.format(env_diff))
def remove_known_hosts(overcloud_ip):
"""For a given IP address remove SSH keys from the known_hosts file"""
known_hosts = os.path.expanduser("~/.ssh/known_hosts")
if os.path.exists(known_hosts):
command = ['ssh-keygen', '-R', overcloud_ip, '-f', known_hosts]
subprocess.check_call(command)
def file_checksum(filepath):
"""Calculate md5 checksum on file
:param filepath: Full path to file (e.g. /home/stack/image.qcow2)
:type filepath: string
"""
if not os.path.isfile(filepath):
raise ValueError(_("The given file {0} is not a regular "
"file").format(filepath))
checksum = hashlib.md5()
with open(filepath, 'rb') as f:
while True:
fragment = f.read(65536)
if not fragment:
break
checksum.update(fragment)
return checksum.hexdigest()
def ensure_run_as_normal_user():
"""Check if the command runs under normal user (EUID!=0)"""
if os.geteuid() == 0:
raise exceptions.RootUserExecution(_(
'This command cannot run under root user.'
' Switch to a normal user.'))
def get_deployment_user():
"""Return the user name which is used to deploy the cloud"""
return getpass.getuser()
def capabilities_to_dict(caps):
"""Convert the Node's capabilities into a dictionary."""
if not caps:
return {}
return dict([key.split(':', 1) for key in caps.split(',')])
def dict_to_capabilities(caps_dict):
"""Convert a dictionary into a string with the capabilities syntax."""
return ','.join(["%s:%s" % (key, value)
for key, value in caps_dict.items()
if value is not None])
def node_get_capabilities(node):
"""Get node capabilities."""
return capabilities_to_dict(node.properties.get('capabilities'))
def node_add_capabilities(bm_client, node, **updated):
"""Add or replace capabilities for a node."""
caps = node_get_capabilities(node)
caps.update(updated)
converted_caps = dict_to_capabilities(caps)
node.properties['capabilities'] = converted_caps
bm_client.node.update(node.uuid, [{'op': 'add',
'path': '/properties/capabilities',
'value': converted_caps}])
return caps
def assign_and_verify_profiles(bm_client, flavors,
assign_profiles=False, dry_run=False):
"""Assign and verify profiles for given flavors.
:param bm_client: ironic client instance
:param flavors: map flavor name -> (flavor object, required count)
:param assign_profiles: whether to allow assigning profiles to nodes
:param dry_run: whether to skip applying actual changes (only makes sense
if assign_profiles is True)
:returns: tuple (errors count, warnings count)
"""
log = logging.getLogger(__name__ + ".assign_and_verify_profiles")
predeploy_errors = 0
predeploy_warnings = 0
# nodes available for deployment and scaling (including active)
bm_nodes = {node.uuid: node
for node in bm_client.node.list(maintenance=False,
detail=True)
if node.provision_state in ('available', 'active')}
# create a pool of unprocessed nodes and record their capabilities
free_node_caps = {uu: node_get_capabilities(node)
for uu, node in bm_nodes.items()}
# TODO(dtantsur): use command-line arguments to specify the order in
# which profiles are processed (might matter for assigning profiles)
profile_flavor_used = False
for flavor_name, (flavor, scale) in flavors.items():
if not scale:
log.debug("Skipping verification of flavor %s because "
"none will be deployed", flavor_name)
continue
profile = flavor.get_keys().get('capabilities:profile')
# If there's only a single flavor, then it's expected for it to have
# no profile assigned.
if not profile and len(flavors) > 1:
predeploy_errors += 1
log.error(
'Error: The %s flavor has no profile associated', flavor_name)
log.error(
'Recommendation: assign a profile with openstack flavor '
'set --property "capabilities:profile"="PROFILE_NAME" %s',
flavor_name)
continue
profile_flavor_used = True
# first collect nodes with known profiles
assigned_nodes = [uu for uu, caps in free_node_caps.items()
if caps.get('profile') == profile]
required_count = scale - len(assigned_nodes)
if required_count < 0:
log.warning('%d nodes with profile %s won\'t be used '
'for deployment now', -required_count, profile)
predeploy_warnings += 1
required_count = 0
elif required_count > 0 and assign_profiles:
# find more nodes by checking XXX_profile capabilities that are
# set by ironic-inspector or manually
capability = '%s_profile' % profile
more_nodes = [
uu for uu, caps in free_node_caps.items()
# use only nodes without a know profile
if not caps.get('profile') and
caps.get(capability, '').lower() in ('1', 'true') and
# do not assign profiles for active nodes
bm_nodes[uu].provision_state == 'available'
][:required_count]
assigned_nodes.extend(more_nodes)
required_count -= len(more_nodes)
for uu in assigned_nodes:
# make sure these nodes are not reused for other profiles
node_caps = free_node_caps.pop(uu)
# save profile for newly assigned nodes, but only if we
# succeeded in finding enough of them
if not required_count and not node_caps.get('profile'):
node = bm_nodes[uu]
if not dry_run:
node_add_capabilities(bm_client, node, profile=profile)
log.info('Node %s was assigned profile %s', uu, profile)
else:
log.debug('Node %s has profile %s', uu, profile)
if required_count > 0:
log.error(
"Error: only %s of %s requested ironic nodes are tagged "
"to profile %s (for flavor %s)",
scale - required_count, scale, profile, flavor_name
)
log.error(
"Recommendation: tag more nodes using ironic node-update "
"<NODE ID> replace properties/capabilities=profile:%s,",
profile)
predeploy_errors += 1
nodes_without_profile = [uu for uu, caps in free_node_caps.items()
if not caps.get('profile')]
if nodes_without_profile and profile_flavor_used:
predeploy_warnings += 1
log.warning(
"There are %d ironic nodes with no profile that will "
"not be used: %s", len(nodes_without_profile),
', '.join(nodes_without_profile)
)
return predeploy_errors, predeploy_warnings
def add_deployment_plan_arguments(parser, mark_as_depr=False):
"""Add deployment plan arguments (flavors and scales) to a parser"""
depr_warning = _(' (DEPRECATED. Use an environment file and set the '
'parameter %s. This option will be removed in the "U" '
'release.)')
# TODO(d0ugal): Deprecated in Newton. Remove these in U.
parser.add_argument('--control-scale', type=int,
help=_('New number of control nodes.')
+ (depr_warning % 'ControllerCount'
if mark_as_depr else ''))
parser.add_argument('--compute-scale', type=int,
help=_('New number of compute nodes.')
+ (depr_warning % 'ComputeCount'
if mark_as_depr else ''))
parser.add_argument('--ceph-storage-scale', type=int,
help=_('New number of ceph storage nodes.')
+ (depr_warning % 'CephStorageCount'
if mark_as_depr else ''))
parser.add_argument('--block-storage-scale', type=int,
help=_('New number of cinder storage nodes.')
+ (depr_warning % 'BlockStorageCount'
if mark_as_depr else ''))
parser.add_argument('--swift-storage-scale', type=int,
help=_('New number of swift storage nodes.')
+ (depr_warning % 'ObjectStorageCount'
if mark_as_depr else ''))
parser.add_argument('--control-flavor',
help=_('Nova flavor to use for control nodes.')
+ (depr_warning % 'OvercloudControlFlavor'
if mark_as_depr else ''))
parser.add_argument('--compute-flavor',
help=_('Nova flavor to use for compute nodes.')
+ (depr_warning % 'OvercloudComputeFlavor'
if mark_as_depr else ''))
parser.add_argument('--ceph-storage-flavor',
help=_('Nova flavor to use for ceph storage nodes.')
+ (depr_warning % 'OvercloudCephStorageFlavor'
if mark_as_depr else ''))
parser.add_argument('--block-storage-flavor',
help=_('Nova flavor to use for cinder storage nodes')
+ (depr_warning % 'OvercloudBlockStorageFlavor'
if mark_as_depr else ''))
parser.add_argument('--swift-storage-flavor',
help=_('Nova flavor to use for swift storage nodes')
+ (depr_warning % 'OvercloudSwiftStorageFlavor'
if mark_as_depr else ''))
def get_roles_info(parsed_args):
"""Get flavor name and scale for all deployment roles.
:returns: dict role name -> (flavor name, scale)
"""
return {
'control': (parsed_args.control_flavor, parsed_args.control_scale),
'compute': (parsed_args.compute_flavor, parsed_args.compute_scale),
'ceph-storage': (parsed_args.ceph_storage_flavor,
parsed_args.ceph_storage_scale),
'block-storage': (parsed_args.block_storage_flavor,
parsed_args.block_storage_scale),
'swift-storage': (parsed_args.swift_storage_flavor,
parsed_args.swift_storage_scale)
}
def _csv_to_nodes_dict(nodes_csv):
"""Convert CSV to a list of dicts formatted for os_cloud_config
Given a CSV file in the format below, convert it into the
structure expected by os_cloud_config JSON files.
pm_type, pm_addr, pm_user, pm_password, mac
"""
data = []
for row in csv.reader(nodes_csv):
node = {
"pm_user": row[2],
"pm_addr": row[1],
"pm_password": row[3],
"pm_type": row[0],
"mac": [
row[4]
]
}
try:
node['pm_port'] = row[5]
except IndexError:
pass
data.append(node)
return data
def parse_env_file(env_file, file_type=None):
if file_type == 'json' or env_file.name.endswith('.json'):
nodes_config = simplejson.load(env_file)
elif file_type == 'csv' or env_file.name.endswith('.csv'):
nodes_config = _csv_to_nodes_dict(env_file)
elif env_file.name.endswith('.yaml'):
nodes_config = yaml.safe_load(env_file)
else:
raise exceptions.InvalidConfiguration(
_("Invalid file extension for %s, must be json, yaml or csv") %
env_file.name)
if 'nodes' in nodes_config:
nodes_config = nodes_config['nodes']
return nodes_config
def prompt_user_for_confirmation(message, logger, positive_response='y'):
"""Prompt user for a y/N confirmation
Use this function to prompt the user for a y/N confirmation
with the provided message. The [y/N] should be included in
the provided message to this function to indicate the expected
input for confirmation. You can customize the positive response if
y/N is not a desired input.
:param message: Confirmation string prompt
:param logger: logger object used to write info logs
:param positive_response: Beginning character for a positive user input
:return: boolean true for valid confirmation, false for all others
"""
try:
if not sys.stdin.isatty():
logger.error(_('User interaction required, cannot confirm.'))
return False
else:
sys.stdout.write(message)
sys.stdout.flush()
prompt_response = sys.stdin.readline().lower()
if not prompt_response.startswith(positive_response):
logger.info(_(
'User did not confirm action so taking no action.'))
return False
logger.info(_('User confirmed action.'))
return True
except KeyboardInterrupt: # ctrl-c
logger.info(_(
'User did not confirm action (ctrl-c) so taking no action.'))
except EOFError: # ctrl-d
logger.info(_(
'User did not confirm action (ctrl-d) so taking no action.'))
return False
def replace_links_in_template_contents(contents, link_replacement):
"""Replace get_file and type file links in Heat template contents
If the string contents passed in is a Heat template, scan the
template for 'get_file' and 'type' occurrences, and replace the
file paths according to link_replacement dict. (Key/value in
link_replacement are from/to, respectively.)
If the string contents don't look like a Heat template, return the
contents unmodified.
"""
template = {}
try:
template = yaml.safe_load(contents)
except yaml.YAMLError:
return contents
if not (isinstance(template, dict) and
template.get('heat_template_version')):
return contents
template = replace_links_in_template(template, link_replacement)
return yaml.safe_dump(template)
def replace_links_in_template(template_part, link_replacement):
"""Replace get_file and type file links in a Heat template
Scan the template for 'get_file' and 'type' occurrences, and
replace the file paths according to link_replacement
dict. (Key/value in link_replacement are from/to, respectively.)
"""
def replaced_dict_value(key, value):
if ((key == 'get_file' or key == 'type') and
isinstance(value, six.string_types)):
return link_replacement.get(value, value)
else:
return replace_links_in_template(value, link_replacement)
def replaced_list_value(value):
return replace_links_in_template(value, link_replacement)
if isinstance(template_part, dict):
return {k: replaced_dict_value(k, v)
for k, v in six.iteritems(template_part)}
elif isinstance(template_part, list):
return list(map(replaced_list_value, template_part))
else:
return template_part
def relative_link_replacement(link_replacement, current_dir):
"""Generate a relative version of link_replacement dictionary.
Get a link_replacement dictionary (where key/value are from/to
respectively), and make the values in that dictionary relative
paths with respect to current_dir.
"""
return {k: os.path.relpath(v, current_dir)
for k, v in six.iteritems(link_replacement)}
def load_environment_directories(directories):
log = logging.getLogger(__name__ + ".load_environment_directories")
if os.environ.get('TRIPLEO_ENVIRONMENT_DIRECTORY'):
directories.append(os.environ.get('TRIPLEO_ENVIRONMENT_DIRECTORY'))
environments = []
for d in directories:
if os.path.exists(d) and d != '.':
log.debug("Environment directory: %s" % d)
for f in sorted(glob.glob(os.path.join(d, '*.yaml'))):
log.debug("Environment directory file: %s" % f)
if os.path.isfile(f):
environments.append(f)
return environments
def get_tripleo_ansible_inventory(inventory_file=None,
ssh_user='tripleo-admin',
stack='overcloud',
undercloud_connection='ssh',
return_inventory_file_path=False):
if not inventory_file:
inventory_file = '%s/%s' % (os.path.expanduser('~'),
'tripleo-ansible-inventory.yaml')
try:
processutils.execute(
'/usr/bin/tripleo-ansible-inventory',
'--stack', stack,
'--ansible_ssh_user', ssh_user,
'--undercloud-connection', undercloud_connection,
'--undercloud-key-file',
'/var/lib/mistral/.ssh/tripleo-admin-rsa',
'--static-yaml-inventory', inventory_file)
except processutils.ProcessExecutionError as e:
message = _("Failed to generate inventory: %s") % str(e)
raise exceptions.InvalidConfiguration(message)
if os.path.exists(inventory_file):
if return_inventory_file_path:
return inventory_file
with open(inventory_file, "r") as f:
inventory = f.read()
return inventory
else:
raise exceptions.InvalidConfiguration(_(
"Inventory file %s can not be found.") % inventory_file)
def cleanup_tripleo_ansible_inventory_file(path):
"""Remove the static tripleo-ansible-inventory file from disk"""
if os.path.exists(path):
processutils.execute('/usr/bin/rm', '-f', path)
def process_multiple_environments(created_env_files, tht_root,
user_tht_root, cleanup=True):
log = logging.getLogger(__name__ + ".process_multiple_environments")
env_files = {}
localenv = {}
# Normalize paths for full match checks
user_tht_root = os.path.normpath(user_tht_root)
tht_root = os.path.normpath(tht_root)
for env_path in created_env_files:
log.debug("Processing environment files %s" % env_path)
abs_env_path = os.path.abspath(env_path)
if (abs_env_path.startswith(user_tht_root) and
((user_tht_root + '/') in env_path or
(user_tht_root + '/') in abs_env_path or
user_tht_root == abs_env_path or
user_tht_root == env_path)):
new_env_path = env_path.replace(user_tht_root + '/',
tht_root + '/')
log.debug("Redirecting env file %s to %s"
% (abs_env_path, new_env_path))
env_path = new_env_path
try:
files, env = template_utils.process_environment_and_files(
env_path=env_path)
except hc_exc.CommandError as ex:
# This provides fallback logic so that we can reference files
# inside the resource_registry values that may be rendered via
# j2.yaml templates, where the above will fail because the
# file doesn't exist in user_tht_root, but it is in tht_root
# See bug https://bugs.launchpad.net/tripleo/+bug/1625783
# for details on why this is needed (backwards-compatibility)
log.debug("Error %s processing environment file %s"
% (six.text_type(ex), env_path))
# Use the temporary path as it's possible the environment
# itself was rendered via jinja.
with open(env_path, 'r') as f:
env_map = yaml.safe_load(f)
env_registry = env_map.get('resource_registry', {})
env_dirname = os.path.dirname(os.path.abspath(env_path))
for rsrc, rsrc_path in six.iteritems(env_registry):
# We need to calculate the absolute path relative to
# env_path not cwd (which is what abspath uses).
abs_rsrc_path = os.path.normpath(
os.path.join(env_dirname, rsrc_path))
# If the absolute path matches user_tht_root, rewrite
# a temporary environment pointing at tht_root instead
if (abs_rsrc_path.startswith(user_tht_root) and
((user_tht_root + '/') in abs_rsrc_path or
abs_rsrc_path == user_tht_root)):
new_rsrc_path = abs_rsrc_path.replace(
user_tht_root + '/', tht_root + '/')
log.debug("Rewriting %s %s path to %s"
% (env_path, rsrc, new_rsrc_path))
env_registry[rsrc] = new_rsrc_path
else:
# Skip any resources that are mapping to OS::*
# resource names as these aren't paths
if not rsrc_path.startswith("OS::"):
env_registry[rsrc] = abs_rsrc_path
env_map['resource_registry'] = env_registry
f_name = os.path.basename(os.path.splitext(abs_env_path)[0])
with tempfile.NamedTemporaryFile(dir=tht_root,
prefix="env-%s-" % f_name,
suffix=".yaml",
mode="w",
delete=cleanup) as f:
log.debug("Rewriting %s environment to %s"
% (env_path, f.name))
f.write(yaml.safe_dump(env_map, default_flow_style=False))
f.flush()
files, env = template_utils.process_environment_and_files(
env_path=f.name)
if files:
log.debug("Adding files %s for %s" % (files, env_path))
env_files.update(files)
# 'env' can be a deeply nested dictionary, so a simple update is
# not enough
localenv = template_utils.deep_update(localenv, env)
return env_files, localenv
def run_update_ansible_action(log, clients, stack, nodes, inventory,
playbook, all_playbooks, ssh_user,
action=None, tags='', skip_tags='',
verbosity='0', extra_vars=None,
workdir='', priv_key=''):
playbooks = [playbook]
if playbook == "all":
playbooks = all_playbooks
for book in playbooks:
log.debug("Running ansible playbook %s " % book)
if action:
action.update_ansible(clients, container=stack, nodes=nodes,
inventory_file=inventory,
playbook=book, node_user=ssh_user,
tags=tags, skip_tags=skip_tags,
verbosity=verbosity, extra_vars=extra_vars)
else:
run_ansible_playbook(playbook=book,
inventory=inventory,
workdir=workdir,
ssh_user=ssh_user,
key=priv_key,
module_path='/usr/share/ansible-modules',
limit_hosts=nodes,
tags=tags,
skip_tags=skip_tags)
def parse_extra_vars(extra_var_strings):
"""Parses extra variables like Ansible would.
Each element in extra_var_strings is like the raw value of -e
parameter of ansible-playbook command. It can either be very
simple 'key=val key2=val2' format or it can be '{ ... }'
representing a YAML/JSON object.
The 'key=val key2=val2' format gets processed as if it was
'{"key": "val", "key2": "val2"}' object, and all YAML/JSON objects
get shallow-merged together in the order as they appear in
extra_var_strings, latter objects taking precedence over earlier
ones.
:param extra_var_strings: unparsed value(s) of -e parameter(s)
:type extra_var_strings: list of strings
:returns dict representing a merged object of all extra vars
"""
result = {}
for extra_var_string in extra_var_strings:
invalid_yaml = False
try:
parse_vars = yaml.safe_load(extra_var_string)
except yaml.YAMLError:
invalid_yaml = True
if invalid_yaml or not isinstance(parse_vars, dict):
try:
parse_vars = dict(
item.split('=') for item in extra_var_string.split())
except ValueError:
raise ValueError(
'Invalid format for {extra_var_string}'.format(
extra_var_string=extra_var_string))
result.update(parse_vars)
return result
def prepend_environment(environment_files, templates_dir, environment):
if not environment_files:
environment_files = []
full_path = os.path.join(templates_dir, environment)
# sanity check it exists before proceeding
if os.path.exists(full_path):
# We need to prepend before the files provided by user.
environment_files.insert(0, full_path)
else:
raise exceptions.InvalidConfiguration(_(
"Expected environment file {0} not found in {1} cannot proceed.")
.format(environment, templates_dir))
return environment_files
def get_short_hostname():
"""Returns the local short hostname
:return string
"""
p = subprocess.Popen(["hostname", "-s"], stdout=subprocess.PIPE,
universal_newlines=True)
return p.communicate()[0].rstrip().lower()
def wait_api_port_ready(api_port, host='127.0.0.1'):
"""Wait until an http services becomes available
:param api_port: api service port
:type api_port: integer
:param host: host running the service (default: 127.0.0.1)
:type host: string
:return boolean
"""
log = logging.getLogger(__name__ + ".wait_api_port_ready")
urlopen_timeout = 1
max_retries = 30
count = 0
while count < max_retries:
time.sleep(1)
count += 1
try:
request.urlopen(
"http://%s:%s/" % (host, api_port), timeout=urlopen_timeout)
return False
except url_error.HTTPError as he:
if he.code == 300:
return True
pass
except url_error.URLError:
pass
except socket.timeout:
log.warning(
"Timeout at attempt {} of {} after {}s waiting for API port..."
.format(count, max_retries, urlopen_timeout))
pass
raise RuntimeError(
"wait_api_port_ready: Max retries {} reached".format(max_retries))
def bulk_symlink(log, src, dst, tmpd='/tmp'):
"""Create bulk symlinks from a directory
:param log: logger instance for logging
:type log: Logger
:param src: dir of directories to symlink
:type src: string
:param dst: dir to create the symlinks
:type dst: string
:param tmpd: temporary working directory to use
:type tmp: string
"""
log.debug("Symlinking %s to %s, via temp dir %s" %
(src, dst, tmpd))
makedirs(dst)
with TempDirs(dir_path=tmpd) as tmp:
for obj in os.listdir(src):
if not os.path.exists(os.path.join(dst, obj)):
tmpf = os.path.join(tmp, obj)
os.symlink(os.path.join(src, obj), tmpf)
os.rename(tmpf, os.path.join(dst, obj))
def run_command_and_log(log, cmd, cwd=None, env=None, retcode_only=True):
"""Run command and log output
:param log: logger instance for logging
:type log: Logger
:param cmd: command in list form
:type cmd: List
:param cwd: current worknig directory for execution
:type cmd: String
:param env: modified environment for command run
:type env: List
:param retcode_only: Returns only retcode instead or proc objec
:type retcdode_only: Boolean
"""
proc = subprocess.Popen(cmd, stdout=subprocess.PIPE,
stderr=subprocess.STDOUT, shell=False,
cwd=cwd, env=env)
if retcode_only:
# TODO(aschultz): this should probably goto a log file
while True:
try:
line = proc.stdout.readline()
except StopIteration:
break
if line != b'':
if isinstance(line, bytes):
line = line.decode('utf-8')
log.warning(line.rstrip())
else:
break
proc.stdout.close()
return proc.wait()
else:
return proc
def ffwd_upgrade_operator_confirm(parsed_args_yes, log):
print("\nWarning! The TripleO Fast Forward Upgrade "
"workflow is a critical operation against the deployed "
"environment.\nOnce and if you decide to use ffwd-upgrade "
"in production, ensure you are adequately prepared "
"with valid backup of your current deployment state.\n")
if parsed_args_yes:
log.debug(_("Fast forward upgrade --yes continuing"))
print(_("Continuing fast forward upgrade"))
return
else:
# Fix Python 2.x.
try:
input = raw_input
except NameError:
pass
response = input("Proceed with the fast forward upgrade? "
"Type 'yes' to continue and anything else to "
"cancel.\nConsider using the --yes parameter if "
"you wish to skip this warning in future. ")
if response != 'yes':
log.debug(_("Fast forward upgrade cancelled on user request"))
print(_("Cancelling fast forward upgrade"))
sys.exit(1)
def build_prepare_env(environment_files, environment_directories):
'''Build the environment for container image prepare
:param environment_files: List of environment files to build
environment from
:type environment_files: list
:param environment_directories: List of environment directories to build
environment from
:type environment_directories: list
'''
env_files = []
if environment_directories:
env_files.extend(load_environment_directories(
environment_directories))
if environment_files:
env_files.extend(environment_files)
def get_env_file(method, path):
if not os.path.exists(path):
return '{}'
env_url = heat_utils.normalise_file_path_to_url(path)
return request.urlopen(env_url).read()
return (
template_utils.process_multiple_environments_and_files(
env_files,
env_path_is_object=lambda path: True,
object_request=get_env_file
)
)[1]
def rel_or_abs_path(file_path, tht_root):
'''Find a file, either absolute path or relative to the t-h-t dir'''
if not file_path:
return None
path = os.path.abspath(file_path)
if not os.path.isfile(path):
path = os.path.abspath(os.path.join(tht_root, file_path))
if not os.path.isfile(path):
raise exceptions.DeploymentError(
"Can't find path %s %s" % (file_path, path))
return path
def fetch_roles_file(roles_file, tht_path=constants.TRIPLEO_HEAT_TEMPLATES):
'''Fetch t-h-t roles data fromm roles_file abs path or rel to tht_path.'''
if not roles_file:
return None
with open(rel_or_abs_path(roles_file, tht_path)) as f:
return yaml.safe_load(f)
def load_config(osloconf, path):
'''Load oslo config from a file path. '''
log = logging.getLogger(__name__ + ".load_config")
conf_params = []
if os.path.isfile(path):
conf_params += ['--config-file', path]
else:
log.warning(_('%s does not exist. Using defaults.') % path)
osloconf(conf_params)
def configure_logging(log, level, log_file):
'''Mimic oslo_log default levels and formatting for the logger. '''
fhandler = logging.FileHandler(log_file)
formatter = logging.Formatter(
'%(asctime)s.%(msecs)03d %(process)d %(levelname)s '
'%(name)s [ ] %(message)s',
'%Y-%m-%d %H:%M:%S')
if level > 1:
log.setLevel(logging.DEBUG)
fhandler.setLevel(logging.DEBUG)
else:
# NOTE(bogdando): we are making an exception to the oslo_log'ish
# default WARN level to have INFO logs as well. Some modules
# produce INFO msgs we want to see and keep by default, like
# pre-flight valiation notes.
log.setLevel(logging.INFO)
fhandler.setLevel(logging.INFO)
fhandler.setFormatter(formatter)
log.addHandler(fhandler)
def _name_helper(basename, arch=None, platform=None, use_subdir=False):
# NOTE(tonyb): We don't accept a platform with an arch. This caught when
# import the nodes / process args, but lets be a little cautious here
# anyway.
if use_subdir:
delim = '/'
else:
delim = '-'
if arch and platform:
basename = platform + '-' + arch + delim + basename
elif arch:
basename = arch + delim + basename
return basename
def overcloud_kernel(basename, arch=None, platform=None):
return (_name_helper('%s-vmlinuz' % basename, arch=arch,
platform=platform),
'.vmlinuz')
def overcloud_ramdisk(basename, arch=None, platform=None):
return (_name_helper('%s-initrd' % basename, arch=arch,
platform=platform),
'.initrd')
def overcloud_image(basename, arch=None, platform=None):
return (_name_helper(basename, arch=arch, platform=platform),
'.qcow2')
def deploy_kernel(arch=None, platform=None):
return _name_helper('agent', arch=arch, platform=platform,
use_subdir=True) + '.kernel'
def deploy_ramdisk(arch=None, platform=None):
return _name_helper('agent', arch=arch, platform=platform,
use_subdir=True) + '.ramdisk'
def _candidate_files(node, call):
arch = node.get('arch')
platform = node.get('platform')
if arch:
if platform:
yield call(arch=arch, platform=platform)
yield call(arch=arch)
yield call()
def update_nodes_deploy_data(nodes,
http_boot=constants.IRONIC_HTTP_BOOT_BIND_MOUNT):
"""Add specific kernel and ramdisk IDs to a node.
Look at all images and update node data with the most specific
deploy_kernel and deploy_ramdisk for the architecture/platform comination
platform.
"""
for node in nodes:
# NOTE(tonyb): Check to see if we have a specific kernel for this node
# and use that. Fall back to the generic image.
if 'kernel_id' not in node:
kernel_locations = list(_candidate_files(node, deploy_kernel))
for kernel in kernel_locations:
path = os.path.join(http_boot, kernel)
if os.path.exists(path):
# NOTE(dtantsur): we don't use http_boot here since we
# assume that the path in containers is fixed
node['kernel_id'] = 'file://%s/%s' % (
constants.IRONIC_HTTP_BOOT_BIND_MOUNT,
kernel)
break
else:
raise RuntimeError('No kernel image provided and none of %s '
'found in %s' % (kernel_locations,
http_boot))
# NOTE(tonyb): As above except for ramdisks
if 'ramdisk_id' not in node:
ramdisk_locations = list(_candidate_files(node, deploy_ramdisk))
for ramdisk in ramdisk_locations:
path = os.path.join(http_boot, ramdisk)
if os.path.exists(path):
node['ramdisk_id'] = 'file://%s/%s' % (
constants.IRONIC_HTTP_BOOT_BIND_MOUNT,
ramdisk)
break
else:
raise RuntimeError('No ramdisk image provided and none of %s '
'found in %s' % (ramdisk_locations,
http_boot))
def get_deployment_python_interpreter(parsed_args):
"""Return correct deployment python interpreter """
if parsed_args.deployment_python_interpreter:
return parsed_args.deployment_python_interpreter
return sys.executable
def run_command(args, env=None, name=None, logger=None):
"""Run the command defined by args and return its output
:param args: List of arguments for the command to be run.
:param env: Dict defining the environment variables. Pass None to use
the current environment.
:param name: User-friendly name for the command being run. A value of
None will cause args[0] to be used.
"""
if logger is None:
logger = LOG
if name is None:
name = args[0]
try:
output = subprocess.check_output(args,
stderr=subprocess.STDOUT,
env=env)
if isinstance(output, bytes):
output = output.decode('utf-8')
return output
except subprocess.CalledProcessError as e:
message = '%s failed: %s' % (name, e.output)
logger.error(message)
raise RuntimeError(message)
def set_hostname(hostname):
"""Set system hostname to provided hostname
:param hostname: The hostname to set
"""
args = ['sudo', 'hostnamectl', 'set-hostname', hostname]
return run_command(args, name='hostnamectl')
def check_hostname(fix_etc_hosts=True, logger=None):
"""Check system hostname configuration
Rabbit and Puppet require pretty specific hostname configuration. This
function ensures that the system hostname settings are valid before
continuing with the installation.
:param fix_etc_hosts: Boolean to to enable adding hostname to /etc/hosts
if not found.
"""
if logger is None:
logger = LOG
logger.info('Checking for a FQDN hostname...')
args = ['hostnamectl', '--static']
detected_static_hostname = run_command(args, name='hostnamectl').rstrip()
logger.info('Static hostname detected as %s', detected_static_hostname)
args = ['hostnamectl', '--transient']
detected_transient_hostname = run_command(args,
name='hostnamectl').rstrip()
logger.info('Transient hostname detected as %s',
detected_transient_hostname)
if detected_static_hostname != detected_transient_hostname:
logger.error('Static hostname "%s" does not match transient hostname '
'"%s".', detected_static_hostname,
detected_transient_hostname)
logger.error('Use hostnamectl to set matching hostnames.')
raise RuntimeError('Static and transient hostnames do not match')
short_hostname = detected_static_hostname.split('.')[0]
if short_hostname == detected_static_hostname:
message = _('Configured hostname is not fully qualified.')
logger.error(message)
raise RuntimeError(message)
with open('/etc/hosts') as hosts_file:
for line in hosts_file:
# check if hostname is in /etc/hosts
if (not line.lstrip().startswith('#') and
detected_static_hostname in line.split()):
break
else:
# hostname not found, add it to /etc/hosts
if not fix_etc_hosts:
return
sed_cmd = (r'sed -i "s/127.0.0.1\(\s*\)/127.0.0.1\\1%s %s /" '
'/etc/hosts' %
(detected_static_hostname, short_hostname))
args = ['sudo', '/bin/bash', '-c', sed_cmd]
run_command(args, name='hostname-to-etc-hosts')
logger.info('Added hostname %s to /etc/hosts',
detected_static_hostname)
def check_env_for_proxy(no_proxy_hosts=None):
"""Check env proxy settings
:param no_proxy_hosts: array of hosts to check if in no_proxy env var
"""
if no_proxy_hosts is None:
no_proxy_hosts = ['127.0.0.1']
http_proxy = os.environ.get('http_proxy', None)
https_proxy = os.environ.get('https_proxy', None)
if os.environ.get('no_proxy'):
no_proxy = os.environ.get('no_proxy').split(',')
else:
no_proxy = []
missing_hosts = []
if http_proxy or https_proxy:
missing_hosts = set(no_proxy_hosts) - set(no_proxy)
if missing_hosts:
message = _('http_proxy or https_proxy is set but the following local '
'addresses "{}" may be missing from the no_proxy '
'environment variable').format(','.join(missing_hosts))
raise RuntimeError(message)
def get_read_config(cfg):
"""Return the config read from ini config file(s)"""
config = ConfigParser()
config.read(cfg)
return config
def getboolean_from_cfg(cfg, param, section="DEFAULT"):
"""Return a parameter from Kolla config"""
return _get_from_cfg(cfg, cfg.getboolean, param, section)
def get_from_cfg(cfg, param, section="DEFAULT"):
"""Return a parameter from Kolla config"""
return _get_from_cfg(cfg, cfg.get, param, section)
def _get_from_cfg(cfg, accessor, param, section):
"""Return a parameter from Kolla config"""
try:
val = accessor(section, param)
except Exception:
raise exceptions.NotFound(_("Unable to find {section}/{option} in "
"{config}").format(section=param,
option=section,
config=cfg))
return val
def get_validation_metadata(validation, key):
default_metadata = {
'name': 'Unnamed',
'description': 'No description',
'stage': 'No stage',
'groups': [],
}
try:
return validation[0]['vars']['metadata'].get(key,
default_metadata[key])
except KeyError:
LOG.exception(_("Key '{key}' not even found in "
"default metadata").format(key=key))
except TypeError:
LOG.exception(_("Failed to get validation metadata."))
def get_validation_parameters(validation):
try:
return {
k: v
for k, v in validation[0]['vars'].items()
if k != 'metadata'
}
except KeyError:
LOG.debug(_("No parameters found for this validation"))
return dict()
def parse_all_validation_groups_on_disk(groups_file_path=None):
results = []
if not groups_file_path:
groups_file_path = constants.VALIDATION_GROUPS_INFO
if not os.path.exists(groups_file_path):
return results
with open(groups_file_path, 'r') as grps:
contents = yaml.safe_load(grps)
for grp_name, grp_desc in sorted(contents.items()):
results.append((grp_name, grp_desc[0].get('description')))
return results
def parse_all_validations_on_disk(path, groups=None):
results = []
validations_abspath = glob.glob("{path}/*.yaml".format(path=path))
for pl in validations_abspath:
validation_id, _ext = os.path.splitext(os.path.basename(pl))
with open(pl, 'r') as val_playbook:
contents = yaml.safe_load(val_playbook)
validation_groups = get_validation_metadata(contents, 'groups') or []
if not groups or set.intersection(set(groups), set(validation_groups)):
results.append({
'id': validation_id,
'name': get_validation_metadata(contents, 'name'),
'groups': get_validation_metadata(contents, 'groups'),
'description': get_validation_metadata(contents,
'description'),
'parameters': get_validation_parameters(contents)
})
return results
def get_param_field_name(validations_data=None):
"""Get the current parameters field name in a Dict
Returns either 'parameters' or 'metadata'.
By Default, it returns 'parameters'.
"""
# TODO(gchamoul): Added for backwards compatibility and will be
# removed for Train release.
if validations_data is None:
validations_data = {}
if 'metadata' in validations_data.get('validations', [[]])[0]:
return 'metadata'
return 'parameters'
def get_validations_parameters(validations_data,
validation_name=None,
groups=None):
if validation_name is None:
validation_name = []
if groups is None:
groups = []
params = {}
param_field_name = get_param_field_name(validations_data)
for val in validations_data['validations']:
wanted_validation = False
wanted_group = False
if val.get('id') in validation_name:
wanted_validation = True
for grp in groups:
if grp in val.get('groups'):
wanted_group = True
if wanted_validation or wanted_group:
params[val.get('id')] = {
'parameters': val.get(param_field_name)
}
return params
def get_validations_json(validations_data):
"""Return the validations information as a pretty printed json """
return json.dumps(validations_data, indent=4, sort_keys=True)
def get_validations_yaml(validations_data):
"""Return the validations information as a pretty printed yaml """
return yaml.safe_dump(validations_data,
allow_unicode=True,
default_flow_style=False,
indent=2)
def indent(text):
'''Indent the given text by four spaces.'''
return ''.join(' {}\n'.format(line) for line in text.splitlines())
def get_local_timezone():
info = run_command(['timedatectl'], name='timedatectl')
timezoneline = [tz for tz in info.split('\n') if 'Time zone:' in tz]
if not timezoneline:
LOG.warning('Unable to determine timezone, using UTC')
return 'UTC'
# The line returned is "[whitespace]Time zone: [timezone] ([tz], [offset])"
try:
timezone = timezoneline[0].strip().split(' ')[2]
except Exception:
LOG.error('Unable to parse timezone from timedatectl, using UTC')
timezone = 'UTC'
return timezone
def check_file_for_enabled_service(env_file):
"""Checks environment file for the said service.
If stack to be to be deployed/updated/upgraded has any deprecated service
enabled, throw a warning about its deprecation and ask the user
whether to proceed with deployment despite deprecation.
For ODL as an example:
If "OS::TripleO::Services::OpenDaylightApi" service is included
in any of the parsed env_files, then check its value.
OS::TripleO::Services::OpenDaylightApi NOT OS::Heat::None
ODL is enabled.
:param env_file: The path of the environment file
:type env_file: String
:raises CommandError: If the action is not confirmed
"""
if os.path.exists(env_file):
with open(env_file, "r") as f:
content = yaml.load(f)
deprecated_services_enabled = []
for service in constants.DEPRECATED_SERVICES.keys():
try:
if content["resource_registry"][service] != "OS::Heat::None":
LOG.warning("service " + service + " is enabled in "
+ str(env_file) + ". " +
constants.DEPRECATED_SERVICES[service])
deprecated_services_enabled.append(service)
except (KeyError, TypeError):
# ignore if content["resource_registry"] is empty
pass
if deprecated_services_enabled:
confirm = prompt_user_for_confirmation(
message="Do you still wish to continue with deployment [y/N]",
logger=LOG)
if not confirm:
raise oscexc.CommandError("Action not confirmed, exiting.")
def check_deprecated_service_is_enabled(environment_files):
for env_file in environment_files:
check_file_for_enabled_service(env_file)
def reset_cmdline():
"""Run reset to cleanup cmdline"""
# only try to reset if stdout is a terminal, skip if not (e.g. CI)
if not sys.stdout.isatty():
return
output = ''
try:
output = run_command(['reset', '-I'])
except RuntimeError:
LOG.warning('Unable to reset command line. Try manually running '
'"reset" if the command line is broken.')
sys.stdout.write(output)
sys.stdout.flush()
def safe_write(path, data):
'''Write to disk and exit safely if can not write correctly.'''
log = logging.getLogger(__name__ + ".safe_write")
if os.path.exists(path):
log.warning(
"The output file %s will be overriden",
path
)
try:
with os.fdopen(os.open(path,
os.O_CREAT | os.O_TRUNC | os.O_WRONLY, 0o666),
'w') as f:
f.write(data)
except OSError as error:
if error.errno != errno.EEXIST:
msg = _(
'The output file {file} can not be created. Error: {msg}'
).format(file=path, msg=str(error))
raise oscexc.CommandError(msg)
def copy_clouds_yaml(user):
"""Copy clouds.yaml file from /etc/openstack to deployment user's home
:param user: deployment user
"""
clouds_etc_file = '/etc/openstack/clouds.yaml'
clouds_home_dir = os.path.join('/home', user)
clouds_config_dir = os.path.join(clouds_home_dir, '.config/openstack')
clouds_config_file = os.path.join(clouds_config_dir, 'clouds.yaml')
clouds_user_id = os.stat(clouds_home_dir).st_uid
clouds_group_id = os.stat(clouds_home_dir).st_gid
# If the file doesn't exist (e.g. on a minion node), we don't need to copy
# /etc/openstack/clouds.yaml to the user directory.
if not os.path.isfile(clouds_etc_file):
return
if not os.path.exists(clouds_config_dir):
try:
os.makedirs(clouds_config_dir)
except OSError as e:
messages = _("Unable to create credentials directory: "
"{0}, {1}").format(clouds_config_dir, e)
raise OSError(messages)
# Using 'sudo' here as for the overcloud the deployment command is run
# from regular deployment user.
cp_args = ['sudo', 'cp', clouds_etc_file, clouds_config_dir]
if run_command_and_log(LOG, cp_args) != 0:
msg = _('Error when user %(user)s tried to copy %(src)s to %(dest)s'
' with sudo') % {'user': user, 'src': clouds_etc_file,
'dest': clouds_config_dir}
LOG.error(msg)
raise exceptions.DeploymentError(msg)
chmod_args = ['sudo', 'chmod', '0600', clouds_config_file]
if run_command_and_log(LOG, chmod_args) != 0:
msg = _('Error when user %(user)s tried to chmod %(file)s file'
' with sudo') % {'user': user, 'file': clouds_config_file}
LOG.error(msg)
raise exceptions.DeploymentError(msg)
chown_args = ['sudo', 'chown', '-R',
str(clouds_user_id) + ':' + str(clouds_group_id),
clouds_config_dir]
if run_command_and_log(LOG, chown_args) != 0:
msg = _('Error when user %(user)s tried to chown %(dir)s directory'
' with sudo') % {'user': user, 'dir': clouds_config_dir}
LOG.error(msg)
raise exceptions.DeploymentError(msg)
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