openstack/charm-nova-cloud-controller
Code Issues Proposed changes
abb8ee551c
charm-nova-cloud-controller/charmhelpers/fetch/ubuntu.py
Corey Bryant f9206facde Add Kinetic and Zed support 
* sync charm-helpers to classic charms
* change openstack-origin/source default to zed
* align testing with zed
* add new zed bundles
* add zed bundles to tests.yaml
* add zed tests to osci.yaml and .zuul.yaml
* update build-on and run-on bases
* add bindep.txt for py310
* sync tox.ini and requirements.txt for ruamel
* use charmcraft_channel 2.0/stable
* drop reactive plugin overrides
* move interface/layer env vars to charmcraft.yaml

Change-Id: I8f2c34f3a4a0601ee19aa694b323cc0f9ee65616
2022-08-26 18:40:41 +00:00

1014 lines
38 KiB
Python
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# Copyright 2014-2021 Canonical Limited.
#
# 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 collections import OrderedDict
import platform
import re
import subprocess
import sys
import time
from charmhelpers import deprecate
from charmhelpers.core.host import get_distrib_codename, get_system_env
from charmhelpers.core.hookenv import (
log,
DEBUG,
WARNING,
env_proxy_settings,
)
from charmhelpers.fetch import SourceConfigError, GPGKeyError
from charmhelpers.fetch import ubuntu_apt_pkg
PROPOSED_POCKET = (
"# Proposed\n"
"deb http://archive.ubuntu.com/ubuntu {}-proposed main universe "
"multiverse restricted\n")
PROPOSED_PORTS_POCKET = (
"# Proposed\n"
"deb http://ports.ubuntu.com/ubuntu-ports {}-proposed main universe "
"multiverse restricted\n")
# Only supports 64bit and ppc64 at the moment.
ARCH_TO_PROPOSED_POCKET = {
'x86_64': PROPOSED_POCKET,
'ppc64le': PROPOSED_PORTS_POCKET,
'aarch64': PROPOSED_PORTS_POCKET,
's390x': PROPOSED_PORTS_POCKET,
}
CLOUD_ARCHIVE_URL = "http://ubuntu-cloud.archive.canonical.com/ubuntu"
CLOUD_ARCHIVE_KEY_ID = '5EDB1B62EC4926EA'
CLOUD_ARCHIVE = """# Ubuntu Cloud Archive
deb http://ubuntu-cloud.archive.canonical.com/ubuntu {} main
"""
CLOUD_ARCHIVE_POCKETS = {
# Folsom
'folsom': 'precise-updates/folsom',
'folsom/updates': 'precise-updates/folsom',
'precise-folsom': 'precise-updates/folsom',
'precise-folsom/updates': 'precise-updates/folsom',
'precise-updates/folsom': 'precise-updates/folsom',
'folsom/proposed': 'precise-proposed/folsom',
'precise-folsom/proposed': 'precise-proposed/folsom',
'precise-proposed/folsom': 'precise-proposed/folsom',
# Grizzly
'grizzly': 'precise-updates/grizzly',
'grizzly/updates': 'precise-updates/grizzly',
'precise-grizzly': 'precise-updates/grizzly',
'precise-grizzly/updates': 'precise-updates/grizzly',
'precise-updates/grizzly': 'precise-updates/grizzly',
'grizzly/proposed': 'precise-proposed/grizzly',
'precise-grizzly/proposed': 'precise-proposed/grizzly',
'precise-proposed/grizzly': 'precise-proposed/grizzly',
# Havana
'havana': 'precise-updates/havana',
'havana/updates': 'precise-updates/havana',
'precise-havana': 'precise-updates/havana',
'precise-havana/updates': 'precise-updates/havana',
'precise-updates/havana': 'precise-updates/havana',
'havana/proposed': 'precise-proposed/havana',
'precise-havana/proposed': 'precise-proposed/havana',
'precise-proposed/havana': 'precise-proposed/havana',
# Icehouse
'icehouse': 'precise-updates/icehouse',
'icehouse/updates': 'precise-updates/icehouse',
'precise-icehouse': 'precise-updates/icehouse',
'precise-icehouse/updates': 'precise-updates/icehouse',
'precise-updates/icehouse': 'precise-updates/icehouse',
'icehouse/proposed': 'precise-proposed/icehouse',
'precise-icehouse/proposed': 'precise-proposed/icehouse',
'precise-proposed/icehouse': 'precise-proposed/icehouse',
# Juno
'juno': 'trusty-updates/juno',
'juno/updates': 'trusty-updates/juno',
'trusty-juno': 'trusty-updates/juno',
'trusty-juno/updates': 'trusty-updates/juno',
'trusty-updates/juno': 'trusty-updates/juno',
'juno/proposed': 'trusty-proposed/juno',
'trusty-juno/proposed': 'trusty-proposed/juno',
'trusty-proposed/juno': 'trusty-proposed/juno',
# Kilo
'kilo': 'trusty-updates/kilo',
'kilo/updates': 'trusty-updates/kilo',
'trusty-kilo': 'trusty-updates/kilo',
'trusty-kilo/updates': 'trusty-updates/kilo',
'trusty-updates/kilo': 'trusty-updates/kilo',
'kilo/proposed': 'trusty-proposed/kilo',
'trusty-kilo/proposed': 'trusty-proposed/kilo',
'trusty-proposed/kilo': 'trusty-proposed/kilo',
# Liberty
'liberty': 'trusty-updates/liberty',
'liberty/updates': 'trusty-updates/liberty',
'trusty-liberty': 'trusty-updates/liberty',
'trusty-liberty/updates': 'trusty-updates/liberty',
'trusty-updates/liberty': 'trusty-updates/liberty',
'liberty/proposed': 'trusty-proposed/liberty',
'trusty-liberty/proposed': 'trusty-proposed/liberty',
'trusty-proposed/liberty': 'trusty-proposed/liberty',
# Mitaka
'mitaka': 'trusty-updates/mitaka',
'mitaka/updates': 'trusty-updates/mitaka',
'trusty-mitaka': 'trusty-updates/mitaka',
'trusty-mitaka/updates': 'trusty-updates/mitaka',
'trusty-updates/mitaka': 'trusty-updates/mitaka',
'mitaka/proposed': 'trusty-proposed/mitaka',
'trusty-mitaka/proposed': 'trusty-proposed/mitaka',
'trusty-proposed/mitaka': 'trusty-proposed/mitaka',
# Newton
'newton': 'xenial-updates/newton',
'newton/updates': 'xenial-updates/newton',
'xenial-newton': 'xenial-updates/newton',
'xenial-newton/updates': 'xenial-updates/newton',
'xenial-updates/newton': 'xenial-updates/newton',
'newton/proposed': 'xenial-proposed/newton',
'xenial-newton/proposed': 'xenial-proposed/newton',
'xenial-proposed/newton': 'xenial-proposed/newton',
# Ocata
'ocata': 'xenial-updates/ocata',
'ocata/updates': 'xenial-updates/ocata',
'xenial-ocata': 'xenial-updates/ocata',
'xenial-ocata/updates': 'xenial-updates/ocata',
'xenial-updates/ocata': 'xenial-updates/ocata',
'ocata/proposed': 'xenial-proposed/ocata',
'xenial-ocata/proposed': 'xenial-proposed/ocata',
'xenial-proposed/ocata': 'xenial-proposed/ocata',
# Pike
'pike': 'xenial-updates/pike',
'xenial-pike': 'xenial-updates/pike',
'xenial-pike/updates': 'xenial-updates/pike',
'xenial-updates/pike': 'xenial-updates/pike',
'pike/proposed': 'xenial-proposed/pike',
'xenial-pike/proposed': 'xenial-proposed/pike',
'xenial-proposed/pike': 'xenial-proposed/pike',
# Queens
'queens': 'xenial-updates/queens',
'xenial-queens': 'xenial-updates/queens',
'xenial-queens/updates': 'xenial-updates/queens',
'xenial-updates/queens': 'xenial-updates/queens',
'queens/proposed': 'xenial-proposed/queens',
'xenial-queens/proposed': 'xenial-proposed/queens',
'xenial-proposed/queens': 'xenial-proposed/queens',
# Rocky
'rocky': 'bionic-updates/rocky',
'bionic-rocky': 'bionic-updates/rocky',
'bionic-rocky/updates': 'bionic-updates/rocky',
'bionic-updates/rocky': 'bionic-updates/rocky',
'rocky/proposed': 'bionic-proposed/rocky',
'bionic-rocky/proposed': 'bionic-proposed/rocky',
'bionic-proposed/rocky': 'bionic-proposed/rocky',
# Stein
'stein': 'bionic-updates/stein',
'bionic-stein': 'bionic-updates/stein',
'bionic-stein/updates': 'bionic-updates/stein',
'bionic-updates/stein': 'bionic-updates/stein',
'stein/proposed': 'bionic-proposed/stein',
'bionic-stein/proposed': 'bionic-proposed/stein',
'bionic-proposed/stein': 'bionic-proposed/stein',
# Train
'train': 'bionic-updates/train',
'bionic-train': 'bionic-updates/train',
'bionic-train/updates': 'bionic-updates/train',
'bionic-updates/train': 'bionic-updates/train',
'train/proposed': 'bionic-proposed/train',
'bionic-train/proposed': 'bionic-proposed/train',
'bionic-proposed/train': 'bionic-proposed/train',
# Ussuri
'ussuri': 'bionic-updates/ussuri',
'bionic-ussuri': 'bionic-updates/ussuri',
'bionic-ussuri/updates': 'bionic-updates/ussuri',
'bionic-updates/ussuri': 'bionic-updates/ussuri',
'ussuri/proposed': 'bionic-proposed/ussuri',
'bionic-ussuri/proposed': 'bionic-proposed/ussuri',
'bionic-proposed/ussuri': 'bionic-proposed/ussuri',
# Victoria
'victoria': 'focal-updates/victoria',
'focal-victoria': 'focal-updates/victoria',
'focal-victoria/updates': 'focal-updates/victoria',
'focal-updates/victoria': 'focal-updates/victoria',
'victoria/proposed': 'focal-proposed/victoria',
'focal-victoria/proposed': 'focal-proposed/victoria',
'focal-proposed/victoria': 'focal-proposed/victoria',
# Wallaby
'wallaby': 'focal-updates/wallaby',
'focal-wallaby': 'focal-updates/wallaby',
'focal-wallaby/updates': 'focal-updates/wallaby',
'focal-updates/wallaby': 'focal-updates/wallaby',
'wallaby/proposed': 'focal-proposed/wallaby',
'focal-wallaby/proposed': 'focal-proposed/wallaby',
'focal-proposed/wallaby': 'focal-proposed/wallaby',
# Xena
'xena': 'focal-updates/xena',
'focal-xena': 'focal-updates/xena',
'focal-xena/updates': 'focal-updates/xena',
'focal-updates/xena': 'focal-updates/xena',
'xena/proposed': 'focal-proposed/xena',
'focal-xena/proposed': 'focal-proposed/xena',
'focal-proposed/xena': 'focal-proposed/xena',
# Yoga
'yoga': 'focal-updates/yoga',
'focal-yoga': 'focal-updates/yoga',
'focal-yoga/updates': 'focal-updates/yoga',
'focal-updates/yoga': 'focal-updates/yoga',
'yoga/proposed': 'focal-proposed/yoga',
'focal-yoga/proposed': 'focal-proposed/yoga',
'focal-proposed/yoga': 'focal-proposed/yoga',
# Zed
'zed': 'jammy-updates/zed',
'jammy-zed': 'jammy-updates/zed',
'jammy-zed/updates': 'jammy-updates/zed',
'jammy-updates/zed': 'jammy-updates/zed',
'zed/proposed': 'jammy-proposed/zed',
'jammy-zed/proposed': 'jammy-proposed/zed',
'jammy-proposed/zed': 'jammy-proposed/zed',
}
OPENSTACK_RELEASES = (
'diablo',
'essex',
'folsom',
'grizzly',
'havana',
'icehouse',
'juno',
'kilo',
'liberty',
'mitaka',
'newton',
'ocata',
'pike',
'queens',
'rocky',
'stein',
'train',
'ussuri',
'victoria',
'wallaby',
'xena',
'yoga',
'zed',
)
UBUNTU_OPENSTACK_RELEASE = OrderedDict([
('oneiric', 'diablo'),
('precise', 'essex'),
('quantal', 'folsom'),
('raring', 'grizzly'),
('saucy', 'havana'),
('trusty', 'icehouse'),
('utopic', 'juno'),
('vivid', 'kilo'),
('wily', 'liberty'),
('xenial', 'mitaka'),
('yakkety', 'newton'),
('zesty', 'ocata'),
('artful', 'pike'),
('bionic', 'queens'),
('cosmic', 'rocky'),
('disco', 'stein'),
('eoan', 'train'),
('focal', 'ussuri'),
('groovy', 'victoria'),
('hirsute', 'wallaby'),
('impish', 'xena'),
('jammy', 'yoga'),
('kinetic', 'zed'),
])
APT_NO_LOCK = 100 # The return code for "couldn't acquire lock" in APT.
CMD_RETRY_DELAY = 10 # Wait 10 seconds between command retries.
CMD_RETRY_COUNT = 10 # Retry a failing fatal command X times.
def filter_installed_packages(packages):
"""Return a list of packages that require installation."""
cache = apt_cache()
_pkgs = []
for package in packages:
try:
p = cache[package]
p.current_ver or _pkgs.append(package)
except KeyError:
log('Package {} has no installation candidate.'.format(package),
level='WARNING')
_pkgs.append(package)
return _pkgs
def filter_missing_packages(packages):
"""Return a list of packages that are installed.
:param packages: list of packages to evaluate.
:returns list: Packages that are installed.
"""
return list(
set(packages) -
set(filter_installed_packages(packages))
)
def apt_cache(*_, **__):
"""Shim returning an object simulating the apt_pkg Cache.
:param _: Accept arguments for compatibility, not used.
:type _: any
:param __: Accept keyword arguments for compatibility, not used.
:type __: any
:returns:Object used to interrogate the system apt and dpkg databases.
:rtype:ubuntu_apt_pkg.Cache
"""
if 'apt_pkg' in sys.modules:
# NOTE(fnordahl): When our consumer use the upstream ``apt_pkg`` module
# in conjunction with the apt_cache helper function, they may expect us
# to call ``apt_pkg.init()`` for them.
#
# Detect this situation, log a warning and make the call to
# ``apt_pkg.init()`` to avoid the consumer Python interpreter from
# crashing with a segmentation fault.
@deprecate(
'Support for use of upstream ``apt_pkg`` module in conjunction'
'with charm-helpers is deprecated since 2019-06-25',
date=None, log=lambda x: log(x, level=WARNING))
def one_shot_log():
pass
one_shot_log()
sys.modules['apt_pkg'].init()
return ubuntu_apt_pkg.Cache()
def apt_install(packages, options=None, fatal=False, quiet=False):
"""Install one or more packages.
:param packages: Package(s) to install
:type packages: Option[str, List[str]]
:param options: Options to pass on to apt-get
:type options: Option[None, List[str]]
:param fatal: Whether the command's output should be checked and
retried.
:type fatal: bool
:param quiet: if True (default), suppress log message to stdout/stderr
:type quiet: bool
:raises: subprocess.CalledProcessError
"""
if options is None:
options = ['--option=Dpkg::Options::=--force-confold']
cmd = ['apt-get', '--assume-yes']
cmd.extend(options)
cmd.append('install')
if isinstance(packages, str):
cmd.append(packages)
else:
cmd.extend(packages)
if not quiet:
log("Installing {} with options: {}"
.format(packages, options))
_run_apt_command(cmd, fatal, quiet=quiet)
def apt_upgrade(options=None, fatal=False, dist=False):
"""Upgrade all packages.
:param options: Options to pass on to apt-get
:type options: Option[None, List[str]]
:param fatal: Whether the command's output should be checked and
retried.
:type fatal: bool
:param dist: Whether ``dist-upgrade`` should be used over ``upgrade``
:type dist: bool
:raises: subprocess.CalledProcessError
"""
if options is None:
options = ['--option=Dpkg::Options::=--force-confold']
cmd = ['apt-get', '--assume-yes']
cmd.extend(options)
if dist:
cmd.append('dist-upgrade')
else:
cmd.append('upgrade')
log("Upgrading with options: {}".format(options))
_run_apt_command(cmd, fatal)
def apt_update(fatal=False):
"""Update local apt cache."""
cmd = ['apt-get', 'update']
_run_apt_command(cmd, fatal)
def apt_purge(packages, fatal=False):
"""Purge one or more packages.
:param packages: Package(s) to install
:type packages: Option[str, List[str]]
:param fatal: Whether the command's output should be checked and
retried.
:type fatal: bool
:raises: subprocess.CalledProcessError
"""
cmd = ['apt-get', '--assume-yes', 'purge']
if isinstance(packages, str):
cmd.append(packages)
else:
cmd.extend(packages)
log("Purging {}".format(packages))
_run_apt_command(cmd, fatal)
def apt_autoremove(purge=True, fatal=False):
"""Purge one or more packages.
:param purge: Whether the ``--purge`` option should be passed on or not.
:type purge: bool
:param fatal: Whether the command's output should be checked and
retried.
:type fatal: bool
:raises: subprocess.CalledProcessError
"""
cmd = ['apt-get', '--assume-yes', 'autoremove']
if purge:
cmd.append('--purge')
_run_apt_command(cmd, fatal)
def apt_mark(packages, mark, fatal=False):
"""Flag one or more packages using apt-mark."""
log("Marking {} as {}".format(packages, mark))
cmd = ['apt-mark', mark]
if isinstance(packages, str):
cmd.append(packages)
else:
cmd.extend(packages)
if fatal:
subprocess.check_call(cmd, universal_newlines=True)
else:
subprocess.call(cmd, universal_newlines=True)
def apt_hold(packages, fatal=False):
return apt_mark(packages, 'hold', fatal=fatal)
def apt_unhold(packages, fatal=False):
return apt_mark(packages, 'unhold', fatal=fatal)
def import_key(key):
"""Import an ASCII Armor key.
A Radix64 format keyid is also supported for backwards
compatibility. In this case Ubuntu keyserver will be
queried for a key via HTTPS by its keyid. This method
is less preferable because https proxy servers may
require traffic decryption which is equivalent to a
man-in-the-middle attack (a proxy server impersonates
keyserver TLS certificates and has to be explicitly
trusted by the system).
:param key: A GPG key in ASCII armor format,
including BEGIN and END markers or a keyid.
:type key: (bytes, str)
:raises: GPGKeyError if the key could not be imported
"""
key = key.strip()
if '-' in key or '\n' in key:
# Send everything not obviously a keyid to GPG to import, as
# we trust its validation better than our own. eg. handling
# comments before the key.
log("PGP key found (looks like ASCII Armor format)", level=DEBUG)
if ('-----BEGIN PGP PUBLIC KEY BLOCK-----' in key and
'-----END PGP PUBLIC KEY BLOCK-----' in key):
log("Writing provided PGP key in the binary format", level=DEBUG)
key_bytes = key.encode('utf-8')
key_name = _get_keyid_by_gpg_key(key_bytes)
key_gpg = _dearmor_gpg_key(key_bytes)
_write_apt_gpg_keyfile(key_name=key_name, key_material=key_gpg)
else:
raise GPGKeyError("ASCII armor markers missing from GPG key")
else:
log("PGP key found (looks like Radix64 format)", level=WARNING)
log("SECURELY importing PGP key from keyserver; "
"full key not provided.", level=WARNING)
# as of bionic add-apt-repository uses curl with an HTTPS keyserver URL
# to retrieve GPG keys. `apt-key adv` command is deprecated as is
# apt-key in general as noted in its manpage. See lp:1433761 for more
# history. Instead, /etc/apt/trusted.gpg.d is used directly to drop
# gpg
key_asc = _get_key_by_keyid(key)
# write the key in GPG format so that apt-key list shows it
key_gpg = _dearmor_gpg_key(key_asc)
_write_apt_gpg_keyfile(key_name=key, key_material=key_gpg)
def _get_keyid_by_gpg_key(key_material):
"""Get a GPG key fingerprint by GPG key material.
Gets a GPG key fingerprint (40-digit, 160-bit) by the ASCII armor-encoded
or binary GPG key material. Can be used, for example, to generate file
names for keys passed via charm options.
:param key_material: ASCII armor-encoded or binary GPG key material
:type key_material: bytes
:raises: GPGKeyError if invalid key material has been provided
:returns: A GPG key fingerprint
:rtype: str
"""
# Use the same gpg command for both Xenial and Bionic
cmd = 'gpg --with-colons --with-fingerprint'
ps = subprocess.Popen(cmd.split(),
stdout=subprocess.PIPE,
stderr=subprocess.PIPE,
stdin=subprocess.PIPE)
out, err = ps.communicate(input=key_material)
out = out.decode('utf-8')
err = err.decode('utf-8')
if 'gpg: no valid OpenPGP data found.' in err:
raise GPGKeyError('Invalid GPG key material provided')
# from gnupg2 docs: fpr :: Fingerprint (fingerprint is in field 10)
return re.search(r"^fpr:{9}([0-9A-F]{40}):$", out, re.MULTILINE).group(1)
def _get_key_by_keyid(keyid):
"""Get a key via HTTPS from the Ubuntu keyserver.
Different key ID formats are supported by SKS keyservers (the longer ones
are more secure, see "dead beef attack" and https://evil32.com/). Since
HTTPS is used, if SSLBump-like HTTPS proxies are in place, they will
impersonate keyserver.ubuntu.com and generate a certificate with
keyserver.ubuntu.com in the CN field or in SubjAltName fields of a
certificate. If such proxy behavior is expected it is necessary to add the
CA certificate chain containing the intermediate CA of the SSLBump proxy to
every machine that this code runs on via ca-certs cloud-init directive (via
cloudinit-userdata model-config) or via other means (such as through a
custom charm option). Also note that DNS resolution for the hostname in a
URL is done at a proxy server - not at the client side.
8-digit (32 bit) key ID
https://keyserver.ubuntu.com/pks/lookup?search=0x4652B4E6
16-digit (64 bit) key ID
https://keyserver.ubuntu.com/pks/lookup?search=0x6E85A86E4652B4E6
40-digit key ID:
https://keyserver.ubuntu.com/pks/lookup?search=0x35F77D63B5CEC106C577ED856E85A86E4652B4E6
:param keyid: An 8, 16 or 40 hex digit keyid to find a key for
:type keyid: (bytes, str)
:returns: A key material for the specified GPG key id
:rtype: (str, bytes)
:raises: subprocess.CalledProcessError
"""
# options=mr - machine-readable output (disables html wrappers)
keyserver_url = ('https://keyserver.ubuntu.com'
'/pks/lookup?op=get&options=mr&exact=on&search=0x{}')
curl_cmd = ['curl', keyserver_url.format(keyid)]
# use proxy server settings in order to retrieve the key
return subprocess.check_output(curl_cmd,
env=env_proxy_settings(['https']))
def _dearmor_gpg_key(key_asc):
"""Converts a GPG key in the ASCII armor format to the binary format.
:param key_asc: A GPG key in ASCII armor format.
:type key_asc: (str, bytes)
:returns: A GPG key in binary format
:rtype: (str, bytes)
:raises: GPGKeyError
"""
ps = subprocess.Popen(['gpg', '--dearmor'],
stdout=subprocess.PIPE,
stderr=subprocess.PIPE,
stdin=subprocess.PIPE)
out, err = ps.communicate(input=key_asc)
# no need to decode output as it is binary (invalid utf-8), only error
err = err.decode('utf-8')
if 'gpg: no valid OpenPGP data found.' in err:
raise GPGKeyError('Invalid GPG key material. Check your network setup'
' (MTU, routing, DNS) and/or proxy server settings'
' as well as destination keyserver status.')
else:
return out
def _write_apt_gpg_keyfile(key_name, key_material):
"""Writes GPG key material into a file at a provided path.
:param key_name: A key name to use for a key file (could be a fingerprint)
:type key_name: str
:param key_material: A GPG key material (binary)
:type key_material: (str, bytes)
"""
with open('/etc/apt/trusted.gpg.d/{}.gpg'.format(key_name),
'wb') as keyf:
keyf.write(key_material)
def add_source(source, key=None, fail_invalid=False):
"""Add a package source to this system.
@param source: a URL or sources.list entry, as supported by
add-apt-repository(1). Examples::
ppa:charmers/example
deb https://stub:key@private.example.com/ubuntu trusty main
In addition:
'proposed:' may be used to enable the standard 'proposed'
pocket for the release.
'cloud:' may be used to activate official cloud archive pockets,
such as 'cloud:icehouse'
'distro' may be used as a noop
Full list of source specifications supported by the function are:
'distro': A NOP; i.e. it has no effect.
'proposed': the proposed deb spec [2] is wrtten to
/etc/apt/sources.list/proposed
'distro-proposed': adds <version>-proposed to the debs [2]
'ppa:<ppa-name>': add-apt-repository --yes <ppa_name>
'deb <deb-spec>': add-apt-repository --yes deb <deb-spec>
'http://....': add-apt-repository --yes http://...
'cloud-archive:<spec>': add-apt-repository -yes cloud-archive:<spec>
'cloud:<release>[-staging]': specify a Cloud Archive pocket <release> with
optional staging version. If staging is used then the staging PPA [2]
with be used. If staging is NOT used then the cloud archive [3] will be
added, and the 'ubuntu-cloud-keyring' package will be added for the
current distro.
'<openstack-version>': translate to cloud:<release> based on the current
distro version (i.e. for 'ussuri' this will either be 'bionic-ussuri' or
'distro'.
'<openstack-version>/proposed': as above, but for proposed.
Otherwise the source is not recognised and this is logged to the juju log.
However, no error is raised, unless sys_error_on_exit is True.
[1] deb http://ubuntu-cloud.archive.canonical.com/ubuntu {} main
where {} is replaced with the derived pocket name.
[2] deb http://archive.ubuntu.com/ubuntu {}-proposed \
main universe multiverse restricted
where {} is replaced with the lsb_release codename (e.g. xenial)
[3] deb http://ubuntu-cloud.archive.canonical.com/ubuntu <pocket>
to /etc/apt/sources.list.d/cloud-archive-list
@param key: A key to be added to the system's APT keyring and used
to verify the signatures on packages. Ideally, this should be an
ASCII format GPG public key including the block headers. A GPG key
id may also be used, but be aware that only insecure protocols are
available to retrieve the actual public key from a public keyserver
placing your Juju environment at risk. ppa and cloud archive keys
are securely added automatically, so should not be provided.
@param fail_invalid: (boolean) if True, then the function raises a
SourceConfigError is there is no matching installation source.
@raises SourceConfigError() if for cloud:<pocket>, the <pocket> is not a
valid pocket in CLOUD_ARCHIVE_POCKETS
"""
# extract the OpenStack versions from the CLOUD_ARCHIVE_POCKETS; can't use
# the list in contrib.openstack.utils as it might not be included in
# classic charms and would break everything. Having OpenStack specific
# code in this file is a bit of an antipattern, anyway.
os_versions_regex = "({})".format("|".join(OPENSTACK_RELEASES))
_mapping = OrderedDict([
(r"^distro$", lambda: None), # This is a NOP
(r"^(?:proposed|distro-proposed)$", _add_proposed),
(r"^cloud-archive:(.*)$", _add_apt_repository),
(r"^((?:deb |http:|https:|ppa:).*)$", _add_apt_repository),
(r"^cloud:(.*)-(.*)\/staging$", _add_cloud_staging),
(r"^cloud:(.*)-(.*)$", _add_cloud_distro_check),
(r"^cloud:(.*)$", _add_cloud_pocket),
(r"^snap:.*-(.*)-(.*)$", _add_cloud_distro_check),
(r"^{}\/proposed$".format(os_versions_regex),
_add_bare_openstack_proposed),
(r"^{}$".format(os_versions_regex), _add_bare_openstack),
])
if source is None:
source = ''
for r, fn in _mapping.items():
m = re.match(r, source)
if m:
if key:
# Import key before adding the source which depends on it,
# as refreshing packages could fail otherwise.
try:
import_key(key)
except GPGKeyError as e:
raise SourceConfigError(str(e))
# call the associated function with the captured groups
# raises SourceConfigError on error.
fn(*m.groups())
break
else:
# nothing matched. log an error and maybe sys.exit
err = "Unknown source: {!r}".format(source)
log(err)
if fail_invalid:
raise SourceConfigError(err)
def _add_proposed():
"""Add the PROPOSED_POCKET as /etc/apt/source.list.d/proposed.list
Uses get_distrib_codename to determine the correct stanza for
the deb line.
For Intel architectures PROPOSED_POCKET is used for the release, but for
other architectures PROPOSED_PORTS_POCKET is used for the release.
"""
release = get_distrib_codename()
arch = platform.machine()
if arch not in ARCH_TO_PROPOSED_POCKET.keys():
raise SourceConfigError("Arch {} not supported for (distro-)proposed"
.format(arch))
with open('/etc/apt/sources.list.d/proposed.list', 'w') as apt:
apt.write(ARCH_TO_PROPOSED_POCKET[arch].format(release))
def _add_apt_repository(spec):
"""Add the spec using add_apt_repository
:param spec: the parameter to pass to add_apt_repository
:type spec: str
"""
if '{series}' in spec:
series = get_distrib_codename()
spec = spec.replace('{series}', series)
_run_with_retries(['add-apt-repository', '--yes', spec],
cmd_env=env_proxy_settings(['https', 'http', 'no_proxy'])
)
def _add_cloud_pocket(pocket):
"""Add a cloud pocket as /etc/apt/sources.d/cloud-archive.list
Note that this overwrites the existing file if there is one.
This function also converts the simple pocket in to the actual pocket using
the CLOUD_ARCHIVE_POCKETS mapping.
:param pocket: string representing the pocket to add a deb spec for.
:raises: SourceConfigError if the cloud pocket doesn't exist or the
requested release doesn't match the current distro version.
"""
apt_install(filter_installed_packages(['ubuntu-cloud-keyring']),
fatal=True)
if pocket not in CLOUD_ARCHIVE_POCKETS:
raise SourceConfigError(
'Unsupported cloud: source option %s' %
pocket)
actual_pocket = CLOUD_ARCHIVE_POCKETS[pocket]
with open('/etc/apt/sources.list.d/cloud-archive.list', 'w') as apt:
apt.write(CLOUD_ARCHIVE.format(actual_pocket))
def _add_cloud_staging(cloud_archive_release, openstack_release):
"""Add the cloud staging repository which is in
ppa:ubuntu-cloud-archive/<openstack_release>-staging
This function checks that the cloud_archive_release matches the current
codename for the distro that charm is being installed on.
:param cloud_archive_release: string, codename for the release.
:param openstack_release: String, codename for the openstack release.
:raises: SourceConfigError if the cloud_archive_release doesn't match the
current version of the os.
"""
_verify_is_ubuntu_rel(cloud_archive_release, openstack_release)
ppa = 'ppa:ubuntu-cloud-archive/{}-staging'.format(openstack_release)
cmd = 'add-apt-repository -y {}'.format(ppa)
_run_with_retries(cmd.split(' '))
def _add_cloud_distro_check(cloud_archive_release, openstack_release):
"""Add the cloud pocket, but also check the cloud_archive_release against
the current distro, and use the openstack_release as the full lookup.
This just calls _add_cloud_pocket() with the openstack_release as pocket
to get the correct cloud-archive.list for dpkg to work with.
:param cloud_archive_release:String, codename for the distro release.
:param openstack_release: String, spec for the release to look up in the
CLOUD_ARCHIVE_POCKETS
:raises: SourceConfigError if this is the wrong distro, or the pocket spec
doesn't exist.
"""
_verify_is_ubuntu_rel(cloud_archive_release, openstack_release)
_add_cloud_pocket("{}-{}".format(cloud_archive_release, openstack_release))
def _verify_is_ubuntu_rel(release, os_release):
"""Verify that the release is in the same as the current ubuntu release.
:param release: String, lowercase for the release.
:param os_release: String, the os_release being asked for
:raises: SourceConfigError if the release is not the same as the ubuntu
release.
"""
ubuntu_rel = get_distrib_codename()
if release != ubuntu_rel:
raise SourceConfigError(
'Invalid Cloud Archive release specified: {}-{} on this Ubuntu'
'version ({})'.format(release, os_release, ubuntu_rel))
def _add_bare_openstack(openstack_release):
"""Add cloud or distro based on the release given.
The spec given is, say, 'ussuri', but this could apply cloud:bionic-ussuri
or 'distro' depending on whether the ubuntu release is bionic or focal.
:param openstack_release: the OpenStack codename to determine the release
for.
:type openstack_release: str
:raises: SourceConfigError
"""
# TODO(ajkavanagh) - surely this means we should be removing cloud archives
# if they exist?
__add_bare_helper(openstack_release, "{}-{}", lambda: None)
def _add_bare_openstack_proposed(openstack_release):
"""Add cloud of distro but with proposed.
The spec given is, say, 'ussuri' but this could apply
cloud:bionic-ussuri/proposed or 'distro/proposed' depending on whether the
ubuntu release is bionic or focal.
:param openstack_release: the OpenStack codename to determine the release
for.
:type openstack_release: str
:raises: SourceConfigError
"""
__add_bare_helper(openstack_release, "{}-{}/proposed", _add_proposed)
def __add_bare_helper(openstack_release, pocket_format, final_function):
"""Helper for _add_bare_openstack[_proposed]
The bulk of the work between the two functions is exactly the same except
for the pocket format and the function that is run if it's the distro
version.
:param openstack_release: the OpenStack codename. e.g. ussuri
:type openstack_release: str
:param pocket_format: the pocket formatter string to construct a pocket str
from the openstack_release and the current ubuntu version.
:type pocket_format: str
:param final_function: the function to call if it is the distro version.
:type final_function: Callable
:raises SourceConfigError on error
"""
ubuntu_version = get_distrib_codename()
possible_pocket = pocket_format.format(ubuntu_version, openstack_release)
if possible_pocket in CLOUD_ARCHIVE_POCKETS:
_add_cloud_pocket(possible_pocket)
return
# Otherwise it's almost certainly the distro version; verify that it
# exists.
try:
assert UBUNTU_OPENSTACK_RELEASE[ubuntu_version] == openstack_release
except KeyError:
raise SourceConfigError(
"Invalid ubuntu version {} isn't known to this library"
.format(ubuntu_version))
except AssertionError:
raise SourceConfigError(
'Invalid OpenStack release specified: {} for Ubuntu version {}'
.format(openstack_release, ubuntu_version))
final_function()
def _run_with_retries(cmd, max_retries=CMD_RETRY_COUNT, retry_exitcodes=(1,),
retry_message="", cmd_env=None, quiet=False):
"""Run a command and retry until success or max_retries is reached.
:param cmd: The apt command to run.
:type cmd: str
:param max_retries: The number of retries to attempt on a fatal
command. Defaults to CMD_RETRY_COUNT.
:type max_retries: int
:param retry_exitcodes: Optional additional exit codes to retry.
Defaults to retry on exit code 1.
:type retry_exitcodes: tuple
:param retry_message: Optional log prefix emitted during retries.
:type retry_message: str
:param: cmd_env: Environment variables to add to the command run.
:type cmd_env: Option[None, Dict[str, str]]
:param quiet: if True, silence the output of the command from stdout and
stderr
:type quiet: bool
"""
env = get_apt_dpkg_env()
if cmd_env:
env.update(cmd_env)
kwargs = {}
if quiet:
kwargs['stdout'] = subprocess.DEVNULL
kwargs['stderr'] = subprocess.DEVNULL
if not retry_message:
retry_message = "Failed executing '{}'".format(" ".join(cmd))
retry_message += ". Will retry in {} seconds".format(CMD_RETRY_DELAY)
retry_count = 0
result = None
retry_results = (None,) + retry_exitcodes
while result in retry_results:
try:
result = subprocess.check_call(cmd, env=env, **kwargs)
except subprocess.CalledProcessError as e:
retry_count = retry_count + 1
if retry_count > max_retries:
raise
result = e.returncode
log(retry_message)
time.sleep(CMD_RETRY_DELAY)
def _run_apt_command(cmd, fatal=False, quiet=False):
"""Run an apt command with optional retries.
:param cmd: The apt command to run.
:type cmd: str
:param fatal: Whether the command's output should be checked and
retried.
:type fatal: bool
:param quiet: if True, silence the output of the command from stdout and
stderr
:type quiet: bool
"""
if fatal:
_run_with_retries(
cmd, retry_exitcodes=(1, APT_NO_LOCK,),
retry_message="Couldn't acquire DPKG lock",
quiet=quiet)
else:
kwargs = {}
if quiet:
kwargs['stdout'] = subprocess.DEVNULL
kwargs['stderr'] = subprocess.DEVNULL
subprocess.call(cmd, env=get_apt_dpkg_env(), **kwargs)
def get_upstream_version(package):
"""Determine upstream version based on installed package
@returns None (if not installed) or the upstream version
"""
cache = apt_cache()
try:
pkg = cache[package]
except Exception:
# the package is unknown to the current apt cache.
return None
if not pkg.current_ver:
# package is known, but no version is currently installed.
return None
return ubuntu_apt_pkg.upstream_version(pkg.current_ver.ver_str)
def get_installed_version(package):
"""Determine installed version of a package
@returns None (if not installed) or the installed version as
Version object
"""
cache = apt_cache()
dpkg_result = cache.dpkg_list([package]).get(package, {})
current_ver = None
installed_version = dpkg_result.get('version')
if installed_version:
current_ver = ubuntu_apt_pkg.Version({'ver_str': installed_version})
return current_ver
def get_apt_dpkg_env():
"""Get environment suitable for execution of APT and DPKG tools.
We keep this in a helper function instead of in a global constant to
avoid execution on import of the library.
:returns: Environment suitable for execution of APT and DPKG tools.
:rtype: Dict[str, str]
"""
# The fallback is used in the event of ``/etc/environment`` not containing
# avalid PATH variable.
return {'DEBIAN_FRONTEND': 'noninteractive',
'PATH': get_system_env('PATH', '/usr/sbin:/usr/bin:/sbin:/bin')}
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