openstack/charm-keystone
Code Issues Proposed changes

charm-helpers sync for yoga release

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Change-Id: Ib21e44b375ff7bb307908ba9f1c6bd51075e843e
This commit is contained in:
Alex Kavanagh 2022-04-07 12:18:30 +01:00
parent 097556b753
commit a76a3d9599
49 changed files with 840 additions and 449 deletions
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1
charm-helpers-hooks.yaml
View File

@ -7,6 +7,7 @@ include:
- fetch
- contrib.openstack|inc=*
- contrib.storage
- contrib.hardware.pci
- contrib.hahelpers:
- apache
- cluster

17
charmhelpers/__init__.py
View File

@ -14,30 +14,15 @@
# Bootstrap charm-helpers, installing its dependencies if necessary using
# only standard libraries.
from __future__ import print_function
from __future__ import absolute_import
import functools
import inspect
import subprocess
import sys
try:
import six # NOQA:F401
except ImportError:
if sys.version_info.major == 2:
subprocess.check_call(['apt-get', 'install', '-y', 'python-six'])
else:
subprocess.check_call(['apt-get', 'install', '-y', 'python3-six'])
import six # NOQA:F401
try:
import yaml # NOQA:F401
except ImportError:
if sys.version_info.major == 2:
subprocess.check_call(['apt-get', 'install', '-y', 'python-yaml'])
else:
subprocess.check_call(['apt-get', 'install', '-y', 'python3-yaml'])
subprocess.check_call(['apt-get', 'install', '-y', 'python3-yaml'])
import yaml # NOQA:F401

13
charmhelpers/cli/__init__.py
View File

@ -16,9 +16,6 @@ import inspect
import argparse
import sys
import six
from six.moves import zip
import charmhelpers.core.unitdata
@ -149,10 +146,7 @@ class CommandLine(object):
def run(self):
"Run cli, processing arguments and executing subcommands."
arguments = self.argument_parser.parse_args()
if six.PY2:
argspec = inspect.getargspec(arguments.func)
else:
argspec = inspect.getfullargspec(arguments.func)
argspec = inspect.getfullargspec(arguments.func)
vargs = []
for arg in argspec.args:
vargs.append(getattr(arguments, arg))
@ -177,10 +171,7 @@ def describe_arguments(func):
Analyze a function's signature and return a data structure suitable for
passing in as arguments to an argparse parser's add_argument() method."""
if six.PY2:
argspec = inspect.getargspec(func)
else:
argspec = inspect.getfullargspec(func)
argspec = inspect.getfullargspec(func)
# we should probably raise an exception somewhere if func includes **kwargs
if argspec.defaults:
positional_args = argspec.args[:-len(argspec.defaults)]

40
charmhelpers/contrib/charmsupport/nrpe.py
View File

@ -28,6 +28,7 @@ import subprocess
import yaml
from charmhelpers.core.hookenv import (
application_name,
config,
hook_name,
local_unit,
@ -174,7 +175,8 @@ define service {{
if os.path.exists(os.path.join(path, parts[0])):
command = os.path.join(path, parts[0])
if len(parts) > 1:
command += " " + " ".join(parts[1:])
safe_args = [shlex.quote(arg) for arg in parts[1:]]
command += " " + " ".join(safe_args)
return command
log('Check command not found: {}'.format(parts[0]))
return ''
@ -520,3 +522,39 @@ def remove_deprecated_check(nrpe, deprecated_services):
for dep_svc in deprecated_services:
log('Deprecated service: {}'.format(dep_svc))
nrpe.remove_check(shortname=dep_svc)
def add_deferred_restarts_check(nrpe):
"""
Add NRPE check for services with deferred restarts.
:param NRPE nrpe: NRPE object to add check to
"""
unit_name = local_unit().replace('/', '-')
shortname = unit_name + '_deferred_restarts'
check_cmd = 'check_deferred_restarts.py --application {}'.format(
application_name())
log('Adding deferred restarts nrpe check: {}'.format(shortname))
nrpe.add_check(
shortname=shortname,
description='Check deferred service restarts {}'.format(unit_name),
check_cmd=check_cmd)
def remove_deferred_restarts_check(nrpe):
"""
Remove NRPE check for services with deferred service restarts.
:param NRPE nrpe: NRPE object to remove check from
"""
unit_name = local_unit().replace('/', '-')
shortname = unit_name + '_deferred_restarts'
check_cmd = 'check_deferred_restarts.py --application {}'.format(
application_name())
log('Removing deferred restarts nrpe check: {}'.format(shortname))
nrpe.remove_check(
shortname=shortname,
description='Check deferred service restarts {}'.format(unit_name),
check_cmd=check_cmd)

15
charmhelpers/contrib/hahelpers/cluster.py
View File

@ -32,8 +32,6 @@ import time
from socket import gethostname as get_unit_hostname
import six
from charmhelpers.core.hookenv import (
log,
relation_ids,
@ -125,16 +123,16 @@ def is_crm_dc():
"""
cmd = ['crm', 'status']
try:
status = subprocess.check_output(cmd, stderr=subprocess.STDOUT)
if not isinstance(status, six.text_type):
status = six.text_type(status, "utf-8")
status = subprocess.check_output(
cmd, stderr=subprocess.STDOUT).decode('utf-8')
except subprocess.CalledProcessError as ex:
raise CRMDCNotFound(str(ex))
current_dc = ''
for line in status.split('\n'):
if line.startswith('Current DC'):
# Current DC: juju-lytrusty-machine-2 (168108163) - partition with quorum
# Current DC: juju-lytrusty-machine-2 (168108163)
# - partition with quorum
current_dc = line.split(':')[1].split()[0]
if current_dc == get_unit_hostname():
return True
@ -158,9 +156,8 @@ def is_crm_leader(resource, retry=False):
return is_crm_dc()
cmd = ['crm', 'resource', 'show', resource]
try:
status = subprocess.check_output(cmd, stderr=subprocess.STDOUT)
if not isinstance(status, six.text_type):
status = six.text_type(status, "utf-8")
status = subprocess.check_output(
cmd, stderr=subprocess.STDOUT).decode('utf-8')
except subprocess.CalledProcessError:
status = None

5
charmhelpers/contrib/hardening/apache/checks/config.py
View File

@ -14,7 +14,6 @@
import os
import re
import six
import subprocess
@ -95,9 +94,7 @@ class ApacheConfContext(object):
settings = utils.get_settings('apache')
ctxt = settings['hardening']
out = subprocess.check_output(['apache2', '-v'])
if six.PY3:
out = out.decode('utf-8')
out = subprocess.check_output(['apache2', '-v']).decode('utf-8')
ctxt['apache_version'] = re.search(r'.+version: Apache/(.+?)\s.+',
out).group(1)
ctxt['apache_icondir'] = '/usr/share/apache2/icons/'

8
charmhelpers/contrib/hardening/audits/apache.py
View File

@ -15,8 +15,6 @@
import re
import subprocess
import six
from charmhelpers.core.hookenv import (
log,
INFO,
@ -35,7 +33,7 @@ class DisabledModuleAudit(BaseAudit):
def __init__(self, modules):
if modules is None:
self.modules = []
elif isinstance(modules, six.string_types):
elif isinstance(modules, str):
self.modules = [modules]
else:
self.modules = modules
@ -68,9 +66,7 @@ class DisabledModuleAudit(BaseAudit):
@staticmethod
def _get_loaded_modules():
"""Returns the modules which are enabled in Apache."""
output = subprocess.check_output(['apache2ctl', '-M'])
if six.PY3:
output = output.decode('utf-8')
output = subprocess.check_output(['apache2ctl', '-M']).decode('utf-8')
modules = []
for line in output.splitlines():
# Each line of the enabled module output looks like:

5
charmhelpers/contrib/hardening/audits/apt.py
View File

@ -12,9 +12,6 @@
# See the License for the specific language governing permissions and
# limitations under the License.
from __future__ import absolute_import # required for external apt import
from six import string_types
from charmhelpers.fetch import (
apt_cache,
apt_purge
@ -51,7 +48,7 @@ class RestrictedPackages(BaseAudit):
def __init__(self, pkgs, **kwargs):
super(RestrictedPackages, self).__init__(**kwargs)
if isinstance(pkgs, string_types) or not hasattr(pkgs, '__iter__'):
if isinstance(pkgs, str) or not hasattr(pkgs, '__iter__'):
self.pkgs = pkgs.split()
else:
self.pkgs = pkgs

3
charmhelpers/contrib/hardening/audits/file.py
View File

@ -23,7 +23,6 @@ from subprocess import (
check_call,
)
from traceback import format_exc
from six import string_types
from stat import (
S_ISGID,
S_ISUID
@ -63,7 +62,7 @@ class BaseFileAudit(BaseAudit):
"""
super(BaseFileAudit, self).__init__(*args, **kwargs)
self.always_comply = always_comply
if isinstance(paths, string_types) or not hasattr(paths, '__iter__'):
if isinstance(paths, str) or not hasattr(paths, '__iter__'):
self.paths = [paths]
else:
self.paths = paths

13
charmhelpers/contrib/hardening/harden.py
View File

@ -12,8 +12,6 @@
# See the License for the specific language governing permissions and
# limitations under the License.
import six
from collections import OrderedDict
from charmhelpers.core.hookenv import (
@ -53,18 +51,17 @@ def harden(overrides=None):
overrides = []
def _harden_inner1(f):
# As this has to be py2.7 compat, we can't use nonlocal. Use a trick
# to capture the dictionary that can then be updated.
_logged = {'done': False}
_logged = False
def _harden_inner2(*args, **kwargs):
# knock out hardening via a config var; normally it won't get
# disabled.
nonlocal _logged
if _DISABLE_HARDENING_FOR_UNIT_TEST:
return f(*args, **kwargs)
if not _logged['done']:
if not _logged:
log("Hardening function '%s'" % (f.__name__), level=DEBUG)
_logged['done'] = True
_logged = True
RUN_CATALOG = OrderedDict([('os', run_os_checks),
('ssh', run_ssh_checks),
('mysql', run_mysql_checks),
@ -74,7 +71,7 @@ def harden(overrides=None):
if enabled:
modules_to_run = []
# modules will always be performed in the following order
for module, func in six.iteritems(RUN_CATALOG):
for module, func in RUN_CATALOG.items():
if module in enabled:
enabled.remove(module)
modules_to_run.append(func)

4
charmhelpers/contrib/hardening/host/checks/login.py
View File

@ -12,8 +12,6 @@
# See the License for the specific language governing permissions and
# limitations under the License.
from six import string_types
from charmhelpers.contrib.hardening.audits.file import TemplatedFile
from charmhelpers.contrib.hardening.host import TEMPLATES_DIR
from charmhelpers.contrib.hardening import utils
@ -41,7 +39,7 @@ class LoginContext(object):
# a string assume it to be octal and turn it into an octal
# string.
umask = settings['environment']['umask']
if not isinstance(umask, string_types):
if not isinstance(umask, str):
umask = '%s' % oct(umask)
ctxt = {

7
charmhelpers/contrib/hardening/host/checks/sysctl.py
View File

@ -15,7 +15,6 @@
import os
import platform
import re
import six
import subprocess
from charmhelpers.core.hookenv import (
@ -183,9 +182,9 @@ class SysCtlHardeningContext(object):
ctxt['sysctl'][key] = d[2] or None
# Translate for python3
return {'sysctl_settings':
[(k, v) for k, v in six.iteritems(ctxt['sysctl'])]}
return {
'sysctl_settings': [(k, v) for k, v in ctxt['sysctl'].items()]
}
class SysctlConf(TemplatedFile):

7
charmhelpers/contrib/hardening/mysql/checks/config.py
View File

@ -12,7 +12,6 @@
# See the License for the specific language governing permissions and
# limitations under the License.
import six
import subprocess
from charmhelpers.core.hookenv import (
@ -82,6 +81,6 @@ class MySQLConfContext(object):
"""
def __call__(self):
settings = utils.get_settings('mysql')
# Translate for python3
return {'mysql_settings':
[(k, v) for k, v in six.iteritems(settings['security'])]}
return {
'mysql_settings': [(k, v) for k, v in settings['security'].items()]
}

6
charmhelpers/contrib/hardening/templating.py
View File

@ -13,7 +13,6 @@
# limitations under the License.
import os
import six
from charmhelpers.core.hookenv import (
log,
@ -27,10 +26,7 @@ except ImportError:
from charmhelpers.fetch import apt_install
from charmhelpers.fetch import apt_update
apt_update(fatal=True)
if six.PY2:
apt_install('python-jinja2', fatal=True)
else:
apt_install('python3-jinja2', fatal=True)
apt_install('python3-jinja2', fatal=True)
from jinja2 import FileSystemLoader, Environment

3
charmhelpers/contrib/hardening/utils.py
View File

@ -16,7 +16,6 @@ import glob
import grp
import os
import pwd
import six
import yaml
from charmhelpers.core.hookenv import (
@ -91,7 +90,7 @@ def _apply_overrides(settings, overrides, schema):
:returns: dictionary of modules config with user overrides applied.
"""
if overrides:
for k, v in six.iteritems(overrides):
for k, v in overrides.items():
if k in schema:
if schema[k] is None:
settings[k] = v

13
charmhelpers/contrib/hardware/__init__.py Normal file
View File

@ -0,0 +1,13 @@
# Copyright 2022 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.

288
charmhelpers/contrib/hardware/pci.py Normal file
View File

@ -0,0 +1,288 @@
#!/usr/bin/env python3
#
# Copyright 2016-2022 Canonical Ltd
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
import glob
import itertools
import logging
import os
import re
import shlex
import subprocess
import typing
def format_pci_addr(pci_addr: str) -> str:
"""Format a PCI address with 0 fill for parts
:param: pci_addr: unformatted PCI address
:type: str
:returns: formatted PCI address
:rtype: str
"""
domain, bus, slot_func = pci_addr.split(":")
slot, func = slot_func.split(".")
return "{}:{}:{}.{}".format(
domain.zfill(4), bus.zfill(2), slot.zfill(2), func
)
def get_sysnet_interfaces_and_macs() -> list:
"""Catalog interface information from local system
each device dict contains:
interface: logical name
mac_address: MAC address
pci_address: PCI address
state: Current interface state (up/down)
sriov: Boolean indicating whether interface is an SR-IOV
capable device.
sriov_totalvfs: Total VF capacity of device
sriov_numvfs: Configured VF capacity of device
:returns: array of dict objects containing details of each interface
:rtype: list
"""
net_devs = []
for sdir in itertools.chain(
glob.glob("/sys/bus/pci/devices/*/net/../"),
glob.glob("/sys/bus/pci/devices/*/virtio*/net/../")):
fq_path = os.path.realpath(sdir)
path = fq_path.split("/")
if "virtio" in path[-1]:
pci_address = path[-2]
else:
pci_address = path[-1]
ifname = get_sysnet_interface(sdir)
if not ifname:
logging.warn("Unable to determine interface name for PCI "
"device {}".format(pci_address))
continue
device = {
"interface": ifname,
"mac_address": get_sysnet_mac(sdir, ifname),
"pci_address": pci_address,
"state": get_sysnet_device_state(sdir, ifname),
"sriov": is_sriov(sdir),
}
if device["sriov"]:
device["sriov_totalvfs"] = get_sriov_totalvfs(sdir)
device["sriov_numvfs"] = get_sriov_numvfs(sdir)
net_devs.append(device)
return net_devs
def get_sysnet_mac(sysdir: str, ifname: str) -> str:
"""Determine MAC address for a device
:param: sysdir: path to device /sys directory
:type: str
:returns: MAC address of device
:rtype: str
"""
mac_addr_file = os.path.join(sysdir, "net", ifname, "address")
with open(mac_addr_file, "r") as f:
read_data = f.read()
return read_data.strip()
def get_sysnet_device_state(sysdir: str, ifname: str) -> str:
"""Read operational state of a device
:param: sysdir: path to device /sys directory
:type: str
:returns: current device state
:rtype: str
"""
state_file = os.path.join(sysdir, "net", ifname, "operstate")
with open(state_file, "r") as f:
read_data = f.read()
return read_data.strip()
def is_sriov(sysdir: str) -> bool:
"""Determine whether a device is SR-IOV capable
:param: sysdir: path to device /sys directory
:type: str
:returns: whether device is SR-IOV capable or not
:rtype: bool
"""
return os.path.exists(os.path.join(sysdir, "sriov_totalvfs"))
def get_sriov_totalvfs(sysdir: str) -> int:
"""Read total VF capacity for a device
:param: sysdir: path to device /sys directory
:type: str
:returns: number of VF's the device supports
:rtype: int
"""
sriov_totalvfs_file = os.path.join(sysdir, "sriov_totalvfs")
with open(sriov_totalvfs_file, "r") as f:
read_data = f.read()
return int(read_data.strip())
def get_sriov_numvfs(sysdir: str) -> int:
"""Read configured VF capacity for a device
:param: sysdir: path to device /sys directory
:type: str
:returns: number of VF's the device is configured with
:rtype: int
"""
sriov_numvfs_file = os.path.join(sysdir, "sriov_numvfs")
with open(sriov_numvfs_file, "r") as f:
read_data = f.read()
return int(read_data.strip())
# https://github.com/libvirt/libvirt/commit/5b1c525b1f3608156884aed0dc5e925306c1e260
PF_PHYS_PORT_NAME_REGEX = re.compile(r"(p[0-9]+$)|(p[0-9]+s[0-9]+$)",
re.IGNORECASE)
def _phys_port_name_is_pf(sysnetdir: str) -> typing.Optional[bool]:
try:
with open(os.path.join(sysnetdir, "phys_port_name"), "r") as fin:
return (PF_PHYS_PORT_NAME_REGEX.match(fin.read().strip())
is not None)
except OSError:
return
def get_sysnet_interface(sysdir: str) -> typing.Optional[str]:
sysnetdir = os.path.join(sysdir, "net")
netdevs = os.listdir(sysnetdir)
# Return early in case the PCI device only has one netdev
if len(netdevs) == 1:
return netdevs[0]
# When a PCI device has multiple netdevs we need to figure out which one
# represents the PF
for netdev in netdevs:
if _phys_port_name_is_pf(os.path.join(sysnetdir, netdev)):
return netdev
def get_pci_ethernet_addresses() -> list:
"""Generate list of PCI addresses for all network adapters
:returns: list of PCI addresses
:rtype: list
"""
cmd = ["lspci", "-m", "-D"]
lspci_output = subprocess.check_output(cmd).decode("UTF-8")
pci_addresses = []
for line in lspci_output.split("\n"):
columns = shlex.split(line)
if len(columns) > 1 and columns[1] == "Ethernet controller":
pci_address = columns[0]
pci_addresses.append(format_pci_addr(pci_address))
return pci_addresses
class PCINetDevice(object):
def __init__(self, pci_address):
self.pci_address = pci_address
self.interface_name = None
self.mac_address = None
self.state = None
self.sriov = False
self.sriov_totalvfs = None
self.sriov_numvfs = None
self.update_attributes()
def update_attributes(self):
self.update_interface_info()
def update_interface_info(self):
net_devices = get_sysnet_interfaces_and_macs()
for interface in net_devices:
if self.pci_address == interface["pci_address"]:
self.interface_name = interface["interface"]
self.mac_address = interface["mac_address"]
self.state = interface["state"]
self.sriov = interface["sriov"]
if self.sriov:
self.sriov_totalvfs = interface["sriov_totalvfs"]
self.sriov_numvfs = interface["sriov_numvfs"]
def _set_sriov_numvfs(self, numvfs: int):
sdevice = os.path.join(
"/sys/bus/pci/devices", self.pci_address, "sriov_numvfs"
)
with open(sdevice, "w") as sh:
sh.write(str(numvfs))
self.update_attributes()
def set_sriov_numvfs(self, numvfs: int) -> bool:
"""Set the number of VF devices for a SR-IOV PF
Assuming the device is an SR-IOV device, this function will attempt
to change the number of VF's created by the PF.
@param numvfs: integer to set the current number of VF's to
@returns boolean indicating whether any changes where made
"""
if self.sriov and numvfs != self.sriov_numvfs:
# NOTE(fnordahl): run-time change of numvfs is disallowed
# without resetting to 0 first.
self._set_sriov_numvfs(0)
self._set_sriov_numvfs(numvfs)
return True
return False
class PCINetDevices(object):
def __init__(self):
self.pci_devices = [
PCINetDevice(dev) for dev in get_pci_ethernet_addresses()
]
def update_devices(self):
for pcidev in self.pci_devices:
pcidev.update_attributes()
def get_macs(self) -> list:
macs = []
for pcidev in self.pci_devices:
if pcidev.mac_address:
macs.append(pcidev.mac_address)
return macs
def get_device_from_mac(self, mac: str) -> PCINetDevice:
for pcidev in self.pci_devices:
if pcidev.mac_address == mac:
return pcidev
return None
def get_device_from_pci_address(self, pci_addr: str) -> PCINetDevice:
for pcidev in self.pci_devices:
if pcidev.pci_address == pci_addr:
return pcidev
return None
def get_device_from_interface_name(
self, interface_name: str
) -> PCINetDevice:
for pcidev in self.pci_devices:
if pcidev.interface_name == interface_name:
return pcidev
return None

23
charmhelpers/contrib/network/ip.py
View File

@ -15,7 +15,6 @@
import glob
import re
import subprocess
import six
import socket
from functools import partial
@ -39,20 +38,14 @@ try:
import netifaces
except ImportError:
apt_update(fatal=True)
if six.PY2:
apt_install('python-netifaces', fatal=True)
else:
apt_install('python3-netifaces', fatal=True)
apt_install('python3-netifaces', fatal=True)
import netifaces
try:
import netaddr
except ImportError:
apt_update(fatal=True)
if six.PY2:
apt_install('python-netaddr', fatal=True)
else:
apt_install('python3-netaddr', fatal=True)
apt_install('python3-netaddr', fatal=True)
import netaddr
@ -462,15 +455,12 @@ def ns_query(address):
try:
import dns.resolver
except ImportError:
if six.PY2:
apt_install('python-dnspython', fatal=True)
else:
apt_install('python3-dnspython', fatal=True)
apt_install('python3-dnspython', fatal=True)
import dns.resolver
if isinstance(address, dns.name.Name):
rtype = 'PTR'
elif isinstance(address, six.string_types):
elif isinstance(address, str):
rtype = 'A'
else:
return None
@ -513,10 +503,7 @@ def get_hostname(address, fqdn=True):
try:
import dns.reversename
except ImportError:
if six.PY2:
apt_install("python-dnspython", fatal=True)
else:
apt_install("python3-dnspython", fatal=True)
apt_install("python3-dnspython", fatal=True)
import dns.reversename
rev = dns.reversename.from_address(address)

64
charmhelpers/contrib/openstack/context.py
View File

@ -30,8 +30,6 @@ from subprocess import (
check_output,
CalledProcessError)
import six
import charmhelpers.contrib.storage.linux.ceph as ch_ceph
from charmhelpers.contrib.openstack.audits.openstack_security_guide import (
@ -120,20 +118,12 @@ from charmhelpers.contrib.openstack.utils import (
)
from charmhelpers.core.unitdata import kv
try:
from sriov_netplan_shim import pci
except ImportError:
# The use of the function and contexts that require the pci module is
# optional.
pass
from charmhelpers.contrib.hardware import pci
try:
import psutil
except ImportError:
if six.PY2:
apt_install('python-psutil', fatal=True)
else:
apt_install('python3-psutil', fatal=True)
apt_install('python3-psutil', fatal=True)
import psutil
CA_CERT_PATH = '/usr/local/share/ca-certificates/keystone_juju_ca_cert.crt'
@ -150,10 +140,7 @@ def ensure_packages(packages):
def context_complete(ctxt):
_missing = []
for k, v in six.iteritems(ctxt):
if v is None or v == '':
_missing.append(k)
_missing = [k for k, v in ctxt.items() if v is None or v == '']
if _missing:
log('Missing required data: %s' % ' '.join(_missing), level=INFO)
@ -180,7 +167,7 @@ class OSContextGenerator(object):
# Fresh start
self.complete = False
self.missing_data = []
for k, v in six.iteritems(ctxt):
for k, v in ctxt.items():
if v is None or v == '':
if k not in self.missing_data:
self.missing_data.append(k)
@ -434,6 +421,9 @@ class IdentityServiceContext(OSContextGenerator):
('password', ctxt.get('admin_password', '')),
('signing_dir', ctxt.get('signing_dir', '')),))
if ctxt.get('service_type'):
c.update((('service_type', ctxt.get('service_type')),))
return c
def __call__(self):
@ -476,6 +466,9 @@ class IdentityServiceContext(OSContextGenerator):
'internal_protocol': int_protocol,
'api_version': api_version})
if rdata.get('service_type'):
ctxt['service_type'] = rdata.get('service_type')
if float(api_version) > 2:
ctxt.update({
'admin_domain_name': rdata.get('service_domain'),
@ -547,6 +540,9 @@ class IdentityCredentialsContext(IdentityServiceContext):
'api_version': api_version
})
if rdata.get('service_type'):
ctxt['service_type'] = rdata.get('service_type')
if float(api_version) > 2:
ctxt.update({'admin_domain_name':
rdata.get('domain')})
@ -1111,10 +1107,14 @@ class ApacheSSLContext(OSContextGenerator):
endpoint = resolve_address(net_type)
addresses.append((addr, endpoint))
return sorted(set(addresses))
# Log the set of addresses to have a trail log and capture if tuples
# change over time in the same unit (LP: #1952414).
sorted_addresses = sorted(set(addresses))
log('get_network_addresses: {}'.format(sorted_addresses))
return sorted_addresses
def __call__(self):
if isinstance(self.external_ports, six.string_types):
if isinstance(self.external_ports, str):
self.external_ports = [self.external_ports]
if not self.external_ports or not https():
@ -1531,9 +1531,9 @@ class SubordinateConfigContext(OSContextGenerator):
continue
sub_config = sub_config[self.config_file]
for k, v in six.iteritems(sub_config):
for k, v in sub_config.items():
if k == 'sections':
for section, config_list in six.iteritems(v):
for section, config_list in v.items():
log("adding section '%s'" % (section),
level=DEBUG)
if ctxt[k].get(section):
@ -1887,8 +1887,11 @@ class DataPortContext(NeutronPortContext):
normalized.update({port: port for port in resolved
if port in ports})
if resolved:
return {normalized[port]: bridge for port, bridge in
six.iteritems(portmap) if port in normalized.keys()}
return {
normalized[port]: bridge
for port, bridge in portmap.items()
if port in normalized.keys()
}
return None
@ -2291,15 +2294,10 @@ class HostInfoContext(OSContextGenerator):
name = name or socket.gethostname()
fqdn = ''
if six.PY2:
exc = socket.error
else:
exc = OSError
try:
addrs = socket.getaddrinfo(
name, None, 0, socket.SOCK_DGRAM, 0, socket.AI_CANONNAME)
except exc:
except OSError:
pass
else:
for addr in addrs:
@ -2416,12 +2414,12 @@ class DHCPAgentContext(OSContextGenerator):
existing_ovs_use_veth = None
# If there is a dhcp_agent.ini file read the current setting
if os.path.isfile(DHCP_AGENT_INI):
# config_ini does the right thing and returns None if the setting is
# commented.
# config_ini does the right thing and returns None if the setting
# is commented.
existing_ovs_use_veth = (
config_ini(DHCP_AGENT_INI)["DEFAULT"].get("ovs_use_veth"))
# Convert to Bool if necessary
if isinstance(existing_ovs_use_veth, six.string_types):
if isinstance(existing_ovs_use_veth, str):
return bool_from_string(existing_ovs_use_veth)
return existing_ovs_use_veth
@ -3126,7 +3124,7 @@ class SRIOVContext(OSContextGenerator):
"""Determine number of Virtual Functions (VFs) configured for device.
:param device: Object describing a PCI Network interface card (NIC)/
:type device: sriov_netplan_shim.pci.PCINetDevice
:type device: contrib.hardware.pci.PCINetDevice
:param sriov_numvfs: Number of VFs requested for blanket configuration.
:type sriov_numvfs: int
:returns: Number of VFs to configure for device

128
charmhelpers/contrib/openstack/files/check_deferred_restarts.py Executable file
View File

@ -0,0 +1,128 @@
#!/usr/bin/python3
# Copyright 2014-2022 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.
"""
Checks for services with deferred restarts.
This Nagios check will parse /var/lib/policy-rd.d/
to find any restarts that are currently deferred.
"""
import argparse
import glob
import sys
import yaml
DEFERRED_EVENTS_DIR = '/var/lib/policy-rc.d'
def get_deferred_events():
"""Return a list of deferred events dicts from policy-rc.d files.
Events are read from DEFERRED_EVENTS_DIR and are of the form:
{
action: restart,
policy_requestor_name: rabbitmq-server,
policy_requestor_type: charm,
reason: 'Pkg update',
service: rabbitmq-server,
time: 1614328743
}
:raises OSError: Raised in case of a system error while reading a policy file
:raises yaml.YAMLError: Raised if parsing a policy file fails
:returns: List of deferred event dictionaries
:rtype: list
"""
deferred_events_files = glob.glob(
'{}/*.deferred'.format(DEFERRED_EVENTS_DIR))
deferred_events = []
for event_file in deferred_events_files:
with open(event_file, 'r') as f:
event = yaml.safe_load(f)
deferred_events.append(event)
return deferred_events
def get_deferred_restart_services(application=None):
"""Returns a list of services with deferred restarts.
:param str application: Name of the application that blocked the service restart.
If application is None, all services with deferred restarts
are returned. Services which are blocked by a non-charm
requestor are always returned.
:raises OSError: Raised in case of a system error while reading a policy file
:raises yaml.YAMLError: Raised if parsing a policy file fails
:returns: List of services with deferred restarts belonging to application.
:rtype: list
"""
deferred_restart_events = filter(
lambda e: e['action'] == 'restart', get_deferred_events())
deferred_restart_services = set()
for restart_event in deferred_restart_events:
if application:
if (
restart_event['policy_requestor_type'] != 'charm' or
restart_event['policy_requestor_type'] == 'charm' and
restart_event['policy_requestor_name'] == application
):
deferred_restart_services.add(restart_event['service'])
else:
deferred_restart_services.add(restart_event['service'])
return list(deferred_restart_services)
def main():
"""Check for services with deferred restarts."""
parser = argparse.ArgumentParser(
description='Check for services with deferred restarts')
parser.add_argument(
'--application', help='Check services belonging to this application only')
args = parser.parse_args()
services = set(get_deferred_restart_services(args.application))
if len(services) == 0:
print('OK: No deferred service restarts.')
sys.exit(0)
else:
print(
'CRITICAL: Restarts are deferred for services: {}.'.format(', '.join(services)))
sys.exit(1)
if __name__ == '__main__':
try:
main()
except OSError as e:
print('CRITICAL: A system error occurred: {} ({})'.format(e.errno, e.strerror))
sys.exit(1)
except yaml.YAMLError as e:
print('CRITICAL: Failed to parse a policy file: {}'.format(str(e)))
sys.exit(1)
except Exception as e:
print('CRITICAL: An unknown error occurred: {}'.format(str(e)))
sys.exit(1)

12
charmhelpers/contrib/openstack/keystone.py
View File

@ -1,4 +1,3 @@
#!/usr/bin/python
#
# Copyright 2017 Canonical Ltd
#
@ -14,7 +13,6 @@
# See the License for the specific language governing permissions and
# limitations under the License.
import six
from charmhelpers.fetch import apt_install
from charmhelpers.contrib.openstack.context import IdentityServiceContext
from charmhelpers.core.hookenv import (
@ -117,10 +115,7 @@ class KeystoneManager2(KeystoneManager):
from keystoneclient.auth.identity import v2
from keystoneclient import session
except ImportError:
if six.PY2:
apt_install(["python-keystoneclient"], fatal=True)
else:
apt_install(["python3-keystoneclient"], fatal=True)
apt_install(["python3-keystoneclient"], fatal=True)
from keystoneclient.v2_0 import client
from keystoneclient.auth.identity import v2
@ -151,10 +146,7 @@ class KeystoneManager3(KeystoneManager):
from keystoneclient import session
from keystoneclient.auth.identity import v3
except ImportError:
if six.PY2:
apt_install(["python-keystoneclient"], fatal=True)
else:
apt_install(["python3-keystoneclient"], fatal=True)
apt_install(["python3-keystoneclient"], fatal=True)
from keystoneclient.v3 import client
from keystoneclient.auth import token_endpoint

10
charmhelpers/contrib/openstack/neutron.py
View File

@ -14,7 +14,6 @@
# Various utilities for dealing with Neutron and the renaming from Quantum.
import six
from subprocess import check_output
from charmhelpers.core.hookenv import (
@ -349,11 +348,4 @@ def parse_vlan_range_mappings(mappings):
Returns dict of the form {provider: (start, end)}.
"""
_mappings = parse_mappings(mappings)
if not _mappings:
return {}
mappings = {}
for p, r in six.iteritems(_mappings):
mappings[p] = tuple(r.split(':'))
return mappings
return {p: tuple(r.split(':')) for p, r in _mappings.items()}

46
charmhelpers/contrib/openstack/policyd.py
View File

@ -15,7 +15,6 @@
import collections
import contextlib
import os
import six
import shutil
import yaml
import zipfile
@ -204,12 +203,6 @@ class BadPolicyYamlFile(Exception):
return self.log_message
if six.PY2:
BadZipFile = zipfile.BadZipfile
else:
BadZipFile = zipfile.BadZipFile
def is_policyd_override_valid_on_this_release(openstack_release):
"""Check that the charm is running on at least Ubuntu Xenial, and at
least the queens release.
@ -487,10 +480,10 @@ def read_and_validate_yaml(stream_or_doc, blacklist_keys=None):
if blacklisted_keys_present:
raise BadPolicyYamlFile("blacklisted keys {} present."
.format(", ".join(blacklisted_keys_present)))
if not all(isinstance(k, six.string_types) for k in keys):
if not all(isinstance(k, str) for k in keys):
raise BadPolicyYamlFile("keys in yaml aren't all strings?")
# check that the dictionary looks like a mapping of str to str
if not all(isinstance(v, six.string_types) for v in doc.values()):
if not all(isinstance(v, str) for v in doc.values()):
raise BadPolicyYamlFile("values in yaml aren't all strings?")
return doc
@ -530,8 +523,7 @@ def clean_policyd_dir_for(service, keep_paths=None, user=None, group=None):
hookenv.log("Cleaning path: {}".format(path), level=hookenv.DEBUG)
if not os.path.exists(path):
ch_host.mkdir(path, owner=_user, group=_group, perms=0o775)
_scanner = os.scandir if hasattr(os, 'scandir') else _fallback_scandir
for direntry in _scanner(path):
for direntry in os.scandir(path):
# see if the path should be kept.
if direntry.path in keep_paths:
continue
@ -558,36 +550,6 @@ def maybe_create_directory_for(path, user, group):
ch_host.mkdir(_dir, owner=user, group=group, perms=0o775)
@contextlib.contextmanager
def _fallback_scandir(path):
"""Fallback os.scandir implementation.
provide a fallback implementation of os.scandir if this module ever gets
used in a py2 or py34 charm. Uses os.listdir() to get the names in the path,
and then mocks the is_dir() function using os.path.isdir() to check for
directory.
:param path: the path to list the directories for
:type path: str
:returns: Generator that provides _FBDirectory objects
:rtype: ContextManager[_FBDirectory]
"""
for f in os.listdir(path):
yield _FBDirectory(f)
class _FBDirectory(object):
"""Mock a scandir Directory object with enough to use in
clean_policyd_dir_for
"""
def __init__(self, path):
self.path = path
def is_dir(self):
return os.path.isdir(self.path)
def path_for_policy_file(service, name):
"""Return the full path for a policy.d file that will be written to the
service's policy.d directory.
@ -768,7 +730,7 @@ def process_policy_resource_file(resource_file,
_group)
# Every thing worked, so we mark up a success.
completed = True
except (BadZipFile, BadPolicyZipFile, BadPolicyYamlFile) as e:
except (zipfile.BadZipFile, BadPolicyZipFile, BadPolicyYamlFile) as e:
hookenv.log("Processing {} failed: {}".format(resource_file, str(e)),
level=POLICYD_LOG_LEVEL_DEFAULT)
except IOError as e:

4
charmhelpers/contrib/openstack/templates/haproxy.cfg
View File

@ -82,7 +82,11 @@ backend {{ service }}_{{ frontend }}
{% endif -%}
{% endif -%}
{% for unit, address in frontends[frontend]['backends'].items() -%}
{% if https -%}
server {{ unit }} {{ address }}:{{ ports[1] }} check check-ssl verify none
{% else -%}
server {{ unit }} {{ address }}:{{ ports[1] }} check
{% endif -%}
{% endfor %}
{% endfor -%}
{% endfor -%}

2
charmhelpers/contrib/openstack/templates/openstack_https_frontend
View File

@ -22,6 +22,8 @@ Listen {{ ext_port }}
ProxyPassReverse / http://localhost:{{ int }}/
ProxyPreserveHost on
RequestHeader set X-Forwarded-Proto "https"
KeepAliveTimeout 75
MaxKeepAliveRequests 1000
</VirtualHost>
{% endfor -%}
<Proxy *>

2
charmhelpers/contrib/openstack/templates/openstack_https_frontend.conf
View File

@ -22,6 +22,8 @@ Listen {{ ext_port }}
ProxyPassReverse / http://localhost:{{ int }}/
ProxyPreserveHost on
RequestHeader set X-Forwarded-Proto "https"
KeepAliveTimeout 75
MaxKeepAliveRequests 1000
</VirtualHost>
{% endfor -%}
<Proxy *>

3
charmhelpers/contrib/openstack/templates/section-keystone-authtoken
View File

@ -9,4 +9,7 @@ project_name = {{ admin_tenant_name }}
username = {{ admin_user }}
password = {{ admin_password }}
signing_dir = {{ signing_dir }}
{% if service_type -%}
service_type = {{ service_type }}
{% endif -%}
{% endif -%}

3
charmhelpers/contrib/openstack/templates/section-keystone-authtoken-mitaka
View File

@ -6,6 +6,9 @@ auth_uri = {{ service_protocol }}://{{ service_host }}:{{ service_port }}/v3
auth_url = {{ auth_protocol }}://{{ auth_host }}:{{ auth_port }}/v3
project_domain_name = {{ admin_domain_name }}
user_domain_name = {{ admin_domain_name }}
{% if service_type -%}
service_type = {{ service_type }}
{% endif -%}
{% else -%}
auth_uri = {{ service_protocol }}://{{ service_host }}:{{ service_port }}
auth_url = {{ auth_protocol }}://{{ auth_host }}:{{ auth_port }}

6
charmhelpers/contrib/openstack/templates/wsgi-openstack-api.conf
View File

@ -20,6 +20,8 @@ Listen {{ public_port }}
WSGIScriptAlias / {{ script }}
WSGIApplicationGroup %{GLOBAL}
WSGIPassAuthorization On
KeepAliveTimeout 75
MaxKeepAliveRequests 1000
<IfVersion >= 2.4>
ErrorLogFormat "%{cu}t %M"
</IfVersion>
@ -46,6 +48,8 @@ Listen {{ public_port }}
WSGIScriptAlias / {{ admin_script }}
WSGIApplicationGroup %{GLOBAL}
WSGIPassAuthorization On
KeepAliveTimeout 75
MaxKeepAliveRequests 1000
<IfVersion >= 2.4>
ErrorLogFormat "%{cu}t %M"
</IfVersion>
@ -72,6 +76,8 @@ Listen {{ public_port }}
WSGIScriptAlias / {{ public_script }}
WSGIApplicationGroup %{GLOBAL}
WSGIPassAuthorization On
KeepAliveTimeout 75
MaxKeepAliveRequests 1000
<IfVersion >= 2.4>
ErrorLogFormat "%{cu}t %M"
</IfVersion>

6
charmhelpers/contrib/openstack/templates/wsgi-openstack-metadata.conf
View File

@ -20,6 +20,8 @@ Listen {{ public_port }}
WSGIScriptAlias / {{ script }}
WSGIApplicationGroup %{GLOBAL}
WSGIPassAuthorization On
KeepAliveTimeout 75
MaxKeepAliveRequests 1000
<IfVersion >= 2.4>
ErrorLogFormat "%{cu}t %M"
</IfVersion>
@ -46,6 +48,8 @@ Listen {{ public_port }}
WSGIScriptAlias / {{ admin_script }}
WSGIApplicationGroup %{GLOBAL}
WSGIPassAuthorization On
KeepAliveTimeout 75
MaxKeepAliveRequests 1000
<IfVersion >= 2.4>
ErrorLogFormat "%{cu}t %M"
</IfVersion>
@ -72,6 +76,8 @@ Listen {{ public_port }}
WSGIScriptAlias / {{ public_script }}
WSGIApplicationGroup %{GLOBAL}
WSGIPassAuthorization On
KeepAliveTimeout 75
MaxKeepAliveRequests 1000
<IfVersion >= 2.4>
ErrorLogFormat "%{cu}t %M"
</IfVersion>

27
charmhelpers/contrib/openstack/templating.py
View File

@ -14,8 +14,6 @@
import os
import six
from charmhelpers.fetch import apt_install, apt_update
from charmhelpers.core.hookenv import (
log,
@ -29,10 +27,7 @@ try:
from jinja2 import FileSystemLoader, ChoiceLoader, Environment, exceptions
except ImportError:
apt_update(fatal=True)
if six.PY2:
apt_install('python-jinja2', fatal=True)
else:
apt_install('python3-jinja2', fatal=True)
apt_install('python3-jinja2', fatal=True)
from jinja2 import FileSystemLoader, ChoiceLoader, Environment, exceptions
@ -62,7 +57,7 @@ def get_loader(templates_dir, os_release):
order by OpenStack release.
"""
tmpl_dirs = [(rel, os.path.join(templates_dir, rel))
for rel in six.itervalues(OPENSTACK_CODENAMES)]
for rel in OPENSTACK_CODENAMES.values()]
if not os.path.isdir(templates_dir):
log('Templates directory not found @ %s.' % templates_dir,
@ -225,10 +220,7 @@ class OSConfigRenderer(object):
# if this code is running, the object is created pre-install hook.
# jinja2 shouldn't get touched until the module is reloaded on next
# hook execution, with proper jinja2 bits successfully imported.
if six.PY2:
apt_install('python-jinja2')
else:
apt_install('python3-jinja2')
apt_install('python3-jinja2')
def register(self, config_file, contexts, config_template=None):
"""
@ -318,9 +310,7 @@ class OSConfigRenderer(object):
log('Config not registered: %s' % config_file, level=ERROR)
raise OSConfigException
_out = self.render(config_file)
if six.PY3:
_out = _out.encode('UTF-8')
_out = self.render(config_file).encode('UTF-8')
with open(config_file, 'wb') as out:
out.write(_out)
@ -331,7 +321,8 @@ class OSConfigRenderer(object):
"""
Write out all registered config files.
"""
[self.write(k) for k in six.iterkeys(self.templates)]
for k in self.templates.keys():
self.write(k)
def set_release(self, openstack_release):
"""
@ -347,8 +338,8 @@ class OSConfigRenderer(object):
Returns a list of context interfaces that yield a complete context.
'''
interfaces = []
[interfaces.extend(i.complete_contexts())
for i in six.itervalues(self.templates)]
for i in self.templates.values():
interfaces.extend(i.complete_contexts())
return interfaces
def get_incomplete_context_data(self, interfaces):
@ -360,7 +351,7 @@ class OSConfigRenderer(object):
'''
incomplete_context_data = {}
for i in six.itervalues(self.templates):
for i in self.templates.values():
for context in i.contexts:
for interface in interfaces:
related = False

110
charmhelpers/contrib/openstack/utils.py
View File

@ -25,7 +25,6 @@ import re
import itertools
import functools
import six
import traceback
import uuid
import yaml
@ -362,6 +361,8 @@ def get_os_codename_install_source(src):
rel = ''
if src is None:
return rel
if src in OPENSTACK_RELEASES:
return src
if src in ['distro', 'distro-proposed', 'proposed']:
try:
rel = UBUNTU_OPENSTACK_RELEASE[ubuntu_rel]
@ -401,7 +402,7 @@ def get_os_codename_version(vers):
def get_os_version_codename(codename, version_map=OPENSTACK_CODENAMES):
'''Determine OpenStack version number from codename.'''
for k, v in six.iteritems(version_map):
for k, v in version_map.items():
if v == codename:
return k
e = 'Could not derive OpenStack version for '\
@ -411,7 +412,8 @@ def get_os_version_codename(codename, version_map=OPENSTACK_CODENAMES):
def get_os_version_codename_swift(codename):
'''Determine OpenStack version number of swift from codename.'''
for k, v in six.iteritems(SWIFT_CODENAMES):
# for k, v in six.iteritems(SWIFT_CODENAMES):
for k, v in SWIFT_CODENAMES.items():
if k == codename:
return v[-1]
e = 'Could not derive swift version for '\
@ -421,17 +423,17 @@ def get_os_version_codename_swift(codename):
def get_swift_codename(version):
'''Determine OpenStack codename that corresponds to swift version.'''
codenames = [k for k, v in six.iteritems(SWIFT_CODENAMES) if version in v]
codenames = [k for k, v in SWIFT_CODENAMES.items() if version in v]
if len(codenames) > 1:
# If more than one release codename contains this version we determine
# the actual codename based on the highest available install source.
for codename in reversed(codenames):
releases = UBUNTU_OPENSTACK_RELEASE
release = [k for k, v in six.iteritems(releases) if codename in v]
ret = subprocess.check_output(['apt-cache', 'policy', 'swift'])
if six.PY3:
ret = ret.decode('UTF-8')
release = [k for k, v in releases.items() if codename in v]
ret = (subprocess
.check_output(['apt-cache', 'policy', 'swift'])
.decode('UTF-8'))
if codename in ret or release[0] in ret:
return codename
elif len(codenames) == 1:
@ -441,7 +443,7 @@ def get_swift_codename(version):
match = re.match(r'^(\d+)\.(\d+)', version)
if match:
major_minor_version = match.group(0)
for codename, versions in six.iteritems(SWIFT_CODENAMES):
for codename, versions in SWIFT_CODENAMES.items():
for release_version in versions:
if release_version.startswith(major_minor_version):
return codename
@ -477,9 +479,7 @@ def get_os_codename_package(package, fatal=True):
if snap_install_requested():
cmd = ['snap', 'list', package]
try:
out = subprocess.check_output(cmd)
if six.PY3:
out = out.decode('UTF-8')
out = subprocess.check_output(cmd).decode('UTF-8')
except subprocess.CalledProcessError:
return None
lines = out.split('\n')
@ -549,16 +549,14 @@ def get_os_version_package(pkg, fatal=True):
if 'swift' in pkg:
vers_map = SWIFT_CODENAMES
for cname, version in six.iteritems(vers_map):
for cname, version in vers_map.items():
if cname == codename:
return version[-1]
else:
vers_map = OPENSTACK_CODENAMES
for version, cname in six.iteritems(vers_map):
for version, cname in vers_map.items():
if cname == codename:
return version
# e = "Could not determine OpenStack version for package: %s" % pkg
# error_out(e)
def get_installed_os_version():
@ -821,10 +819,10 @@ def save_script_rc(script_path="scripts/scriptrc", **env_vars):
if not os.path.exists(os.path.dirname(juju_rc_path)):
os.mkdir(os.path.dirname(juju_rc_path))
with open(juju_rc_path, 'wt') as rc_script:
rc_script.write(
"#!/bin/bash\n")
[rc_script.write('export %s=%s\n' % (u, p))
for u, p in six.iteritems(env_vars) if u != "script_path"]
rc_script.write("#!/bin/bash\n")
for u, p in env_vars.items():
if u != "script_path":
rc_script.write('export %s=%s\n' % (u, p))
def openstack_upgrade_available(package):
@ -1039,7 +1037,7 @@ def _determine_os_workload_status(
state, message, lambda: charm_func(configs))
if state is None:
state, message = _ows_check_services_running(services, ports)
state, message = ows_check_services_running(services, ports)
if state is None:
state = 'active'
@ -1213,7 +1211,12 @@ def _ows_check_charm_func(state, message, charm_func_with_configs):
return state, message
@deprecate("use ows_check_services_running() instead", "2022-05", log=juju_log)
def _ows_check_services_running(services, ports):
return ows_check_services_running(services, ports)
def ows_check_services_running(services, ports):
"""Check that the services that should be running are actually running
and that any ports specified are being listened to.
@ -1413,45 +1416,75 @@ def incomplete_relation_data(configs, required_interfaces):
for i in incomplete_relations}
def do_action_openstack_upgrade(package, upgrade_callback, configs,
force_upgrade=False):
def do_action_openstack_upgrade(package, upgrade_callback, configs):
"""Perform action-managed OpenStack upgrade.
Upgrades packages to the configured openstack-origin version and sets
the corresponding action status as a result.
If the charm was installed from source we cannot upgrade it.
For backwards compatibility a config flag (action-managed-upgrade) must
be set for this code to run, otherwise a full service level upgrade will
fire on config-changed.
@param package: package name for determining if upgrade available
@param package: package name for determining if openstack upgrade available
@param upgrade_callback: function callback to charm's upgrade function
@param configs: templating object derived from OSConfigRenderer class
@param force_upgrade: perform dist-upgrade regardless of new openstack
@return: True if upgrade successful; False if upgrade failed or skipped
"""
ret = False
if openstack_upgrade_available(package) or force_upgrade:
if openstack_upgrade_available(package):
if config('action-managed-upgrade'):
juju_log('Upgrading OpenStack release')
try:
upgrade_callback(configs=configs)
action_set({'outcome': 'success, upgrade completed.'})
action_set({'outcome': 'success, upgrade completed'})
ret = True
except Exception:
action_set({'outcome': 'upgrade failed, see traceback.'})
action_set({'outcome': 'upgrade failed, see traceback'})
action_set({'traceback': traceback.format_exc()})
action_fail('do_openstack_upgrade resulted in an '
action_fail('upgrade callback resulted in an '
'unexpected error')
else:
action_set({'outcome': 'action-managed-upgrade config is '
'False, skipped upgrade.'})
'False, skipped upgrade'})
else:
action_set({'outcome': 'no upgrade available.'})
action_set({'outcome': 'no upgrade available'})
return ret
def do_action_package_upgrade(package, upgrade_callback, configs):
"""Perform package upgrade within the current OpenStack release.
Upgrades packages only if there is not an openstack upgrade available,
and sets the corresponding action status as a result.
@param package: package name for determining if openstack upgrade available
@param upgrade_callback: function callback to charm's upgrade function
@param configs: templating object derived from OSConfigRenderer class
@return: True if upgrade successful; False if upgrade failed or skipped
"""
ret = False
if not openstack_upgrade_available(package):
juju_log('Upgrading packages')
try:
upgrade_callback(configs=configs)
action_set({'outcome': 'success, upgrade completed'})
ret = True
except Exception:
action_set({'outcome': 'upgrade failed, see traceback'})
action_set({'traceback': traceback.format_exc()})
action_fail('upgrade callback resulted in an '
'unexpected error')
else:
action_set({'outcome': 'upgrade skipped because an openstack upgrade '
'is available'})
return ret
@ -1849,21 +1882,20 @@ def pausable_restart_on_change(restart_map, stopstart=False,
"""
def wrap(f):
# py27 compatible nonlocal variable. When py3 only, replace with
# nonlocal keyword
__restart_map_cache = {'cache': None}
__restart_map_cache = None
@functools.wraps(f)
def wrapped_f(*args, **kwargs):
nonlocal __restart_map_cache
if is_unit_paused_set():
return f(*args, **kwargs)
if __restart_map_cache['cache'] is None:
__restart_map_cache['cache'] = restart_map() \
if __restart_map_cache is None:
__restart_map_cache = restart_map() \
if callable(restart_map) else restart_map
# otherwise, normal restart_on_change functionality
return restart_on_change_helper(
(lambda: f(*args, **kwargs)),
__restart_map_cache['cache'],
__restart_map_cache,
stopstart,
restart_functions,
can_restart_now_f,
@ -1888,7 +1920,7 @@ def ordered(orderme):
raise ValueError('argument must be a dict type')
result = OrderedDict()
for k, v in sorted(six.iteritems(orderme), key=lambda x: x[0]):
for k, v in sorted(orderme.items(), key=lambda x: x[0]):
if isinstance(v, dict):
result[k] = ordered(v)
else:

7
charmhelpers/contrib/peerstorage/__init__.py
View File

@ -13,7 +13,6 @@
# limitations under the License.
import json
import six
from charmhelpers.core.hookenv import relation_id as current_relation_id
from charmhelpers.core.hookenv import (
@ -229,7 +228,7 @@ def peer_echo(includes=None, force=False):
if ex in echo_data:
echo_data.pop(ex)
else:
for attribute, value in six.iteritems(rdata):
for attribute, value in rdata.items():
for include in includes:
if include in attribute:
echo_data[attribute] = value
@ -255,8 +254,8 @@ def peer_store_and_set(relation_id=None, peer_relation_name='cluster',
relation_settings=relation_settings,
**kwargs)
if is_relation_made(peer_relation_name):
for key, value in six.iteritems(dict(list(kwargs.items()) +
list(relation_settings.items()))):
items = dict(list(kwargs.items()) + list(relation_settings.items()))
for key, value in items.items():
key_prefix = relation_id or current_relation_id()
peer_store(key_prefix + delimiter + key,
value,

2
charmhelpers/contrib/python.py
View File

@ -12,8 +12,6 @@
# See the License for the specific language governing permissions and
# limitations under the License.
from __future__ import absolute_import
# deprecated aliases for backwards compatibility
from charmhelpers.fetch.python import debug # noqa
from charmhelpers.fetch.python import packages # noqa

99
charmhelpers/contrib/storage/linux/ceph.py
View File

@ -23,7 +23,6 @@ import collections
import errno
import hashlib
import math
import six
import os
import shutil
@ -218,7 +217,7 @@ def validator(value, valid_type, valid_range=None):
"was given {} of type {}"
.format(valid_range, type(valid_range)))
# If we're dealing with strings
if isinstance(value, six.string_types):
if isinstance(value, str):
assert value in valid_range, (
"{} is not in the list {}".format(value, valid_range))
# Integer, float should have a min and max
@ -434,9 +433,9 @@ class BasePool(object):
:type mode: str
"""
# Check the input types and values
validator(value=cache_pool, valid_type=six.string_types)
validator(value=cache_pool, valid_type=str)
validator(
value=mode, valid_type=six.string_types,
value=mode, valid_type=str,
valid_range=["readonly", "writeback"])
check_call([
@ -615,7 +614,8 @@ class Pool(BasePool):
class ReplicatedPool(BasePool):
def __init__(self, service, name=None, pg_num=None, replicas=None,
percent_data=None, app_name=None, op=None):
percent_data=None, app_name=None, op=None,
profile_name='replicated_rule'):
"""Initialize ReplicatedPool object.
Pool information is either initialized from individual keyword
@ -632,6 +632,8 @@ class ReplicatedPool(BasePool):
to this replicated pool.
:type replicas: int
:raises: KeyError
:param profile_name: Crush Profile to use
:type profile_name: Optional[str]
"""
# NOTE: Do not perform initialization steps that require live data from
# a running cluster here. The *Pool classes may be used for validation.
@ -646,11 +648,20 @@ class ReplicatedPool(BasePool):
# we will fail with KeyError if it is not provided.
self.replicas = op['replicas']
self.pg_num = op.get('pg_num')
self.profile_name = op.get('crush-profile') or profile_name
else:
self.replicas = replicas or 2
self.pg_num = pg_num
self.profile_name = profile_name or 'replicated_rule'
def _create(self):
# Validate if crush profile exists
if self.profile_name is None:
msg = ("Failed to discover crush profile named "
"{}".format(self.profile_name))
log(msg, level=ERROR)
raise PoolCreationError(msg)
# Do extra validation on pg_num with data from live cluster
if self.pg_num:
# Since the number of placement groups were specified, ensure
@ -668,12 +679,12 @@ class ReplicatedPool(BasePool):
'--pg-num-min={}'.format(
min(AUTOSCALER_DEFAULT_PGS, self.pg_num)
),
self.name, str(self.pg_num)
self.name, str(self.pg_num), self.profile_name
]
else:
cmd = [
'ceph', '--id', self.service, 'osd', 'pool', 'create',
self.name, str(self.pg_num)
self.name, str(self.pg_num), self.profile_name
]
check_call(cmd)
@ -692,7 +703,7 @@ class ErasurePool(BasePool):
def __init__(self, service, name=None, erasure_code_profile=None,
percent_data=None, app_name=None, op=None,
allow_ec_overwrites=False):
"""Initialize ReplicatedPool object.
"""Initialize ErasurePool object.
Pool information is either initialized from individual keyword
arguments or from a individual CephBrokerRq operation Dict.
@ -778,10 +789,11 @@ def enabled_manager_modules():
:rtype: List[str]
"""
cmd = ['ceph', 'mgr', 'module', 'ls']
quincy_or_later = cmp_pkgrevno('ceph-common', '17.1.0') >= 0
if quincy_or_later:
cmd.append('--format=json')
try:
modules = check_output(cmd)
if six.PY3:
modules = modules.decode('UTF-8')
modules = check_output(cmd).decode('utf-8')
except CalledProcessError as e:
log("Failed to list ceph modules: {}".format(e), WARNING)
return []
@ -814,10 +826,10 @@ def get_mon_map(service):
ceph command fails.
"""
try:
mon_status = check_output(['ceph', '--id', service,
'mon_status', '--format=json'])
if six.PY3:
mon_status = mon_status.decode('UTF-8')
octopus_or_later = cmp_pkgrevno('ceph-common', '15.0.0') >= 0
mon_status_cmd = 'quorum_status' if octopus_or_later else 'mon_status'
mon_status = (check_output(['ceph', '--id', service, mon_status_cmd,
'--format=json'])).decode('utf-8')
try:
return json.loads(mon_status)
except ValueError as v:
@ -959,9 +971,7 @@ def get_erasure_profile(service, name):
try:
out = check_output(['ceph', '--id', service,
'osd', 'erasure-code-profile', 'get',
name, '--format=json'])
if six.PY3:
out = out.decode('UTF-8')
name, '--format=json']).decode('utf-8')
return json.loads(out)
except (CalledProcessError, OSError, ValueError):
return None
@ -1164,8 +1174,7 @@ def create_erasure_profile(service, profile_name,
'nvme'
]
validator(erasure_plugin_name, six.string_types,
list(plugin_techniques.keys()))
validator(erasure_plugin_name, str, list(plugin_techniques.keys()))
cmd = [
'ceph', '--id', service,
@ -1176,7 +1185,7 @@ def create_erasure_profile(service, profile_name,
]
if erasure_plugin_technique:
validator(erasure_plugin_technique, six.string_types,
validator(erasure_plugin_technique, str,
plugin_techniques[erasure_plugin_name])
cmd.append('technique={}'.format(erasure_plugin_technique))
@ -1189,7 +1198,7 @@ def create_erasure_profile(service, profile_name,
failure_domain = 'rack'
if failure_domain:
validator(failure_domain, six.string_types, failure_domains)
validator(failure_domain, str, failure_domains)
# failure_domain changed in luminous
if luminous_or_later:
cmd.append('crush-failure-domain={}'.format(failure_domain))
@ -1198,7 +1207,7 @@ def create_erasure_profile(service, profile_name,
# device class new in luminous
if luminous_or_later and device_class:
validator(device_class, six.string_types, device_classes)
validator(device_class, str, device_classes)
cmd.append('crush-device-class={}'.format(device_class))
else:
log('Skipping device class configuration (ceph < 12.0.0)',
@ -1213,7 +1222,7 @@ def create_erasure_profile(service, profile_name,
raise ValueError("locality must be provided for lrc plugin")
# LRC optional configuration
if crush_locality:
validator(crush_locality, six.string_types, failure_domains)
validator(crush_locality, str, failure_domains)
cmd.append('crush-locality={}'.format(crush_locality))
if erasure_plugin_name == 'shec':
@ -1241,8 +1250,8 @@ def rename_pool(service, old_name, new_name):
:param new_name: Name to rename pool to.
:type new_name: str
"""
validator(value=old_name, valid_type=six.string_types)
validator(value=new_name, valid_type=six.string_types)
validator(value=old_name, valid_type=str)
validator(value=new_name, valid_type=str)
cmd = [
'ceph', '--id', service,
@ -1260,7 +1269,7 @@ def erasure_profile_exists(service, name):
:returns: True if it exists, False otherwise.
:rtype: bool
"""
validator(value=name, valid_type=six.string_types)
validator(value=name, valid_type=str)
try:
check_call(['ceph', '--id', service,
'osd', 'erasure-code-profile', 'get',
@ -1280,12 +1289,10 @@ def get_cache_mode(service, pool_name):
:returns: Current cache mode.
:rtype: Optional[int]
"""
validator(value=service, valid_type=six.string_types)
validator(value=pool_name, valid_type=six.string_types)
validator(value=service, valid_type=str)
validator(value=pool_name, valid_type=str)
out = check_output(['ceph', '--id', service,
'osd', 'dump', '--format=json'])
if six.PY3:
out = out.decode('UTF-8')
'osd', 'dump', '--format=json']).decode('utf-8')
try:
osd_json = json.loads(out)
for pool in osd_json['pools']:
@ -1299,9 +1306,8 @@ def get_cache_mode(service, pool_name):
def pool_exists(service, name):
"""Check to see if a RADOS pool already exists."""
try:
out = check_output(['rados', '--id', service, 'lspools'])
if six.PY3:
out = out.decode('UTF-8')
out = check_output(
['rados', '--id', service, 'lspools']).decode('utf-8')
except CalledProcessError:
return False
@ -1320,13 +1326,11 @@ def get_osds(service, device_class=None):
out = check_output(['ceph', '--id', service,
'osd', 'crush', 'class',
'ls-osd', device_class,
'--format=json'])
'--format=json']).decode('utf-8')
else:
out = check_output(['ceph', '--id', service,
'osd', 'ls',
'--format=json'])
if six.PY3:
out = out.decode('UTF-8')
'--format=json']).decode('utf-8')
return json.loads(out)
@ -1343,9 +1347,7 @@ def rbd_exists(service, pool, rbd_img):
"""Check to see if a RADOS block device exists."""
try:
out = check_output(['rbd', 'list', '--id',
service, '--pool', pool])
if six.PY3:
out = out.decode('UTF-8')
service, '--pool', pool]).decode('utf-8')
except CalledProcessError:
return False
@ -1371,7 +1373,7 @@ def update_pool(client, pool, settings):
:raises: CalledProcessError
"""
cmd = ['ceph', '--id', client, 'osd', 'pool', 'set', pool]
for k, v in six.iteritems(settings):
for k, v in settings.items():
check_call(cmd + [k, v])
@ -1509,9 +1511,7 @@ def configure(service, key, auth, use_syslog):
def image_mapped(name):
"""Determine whether a RADOS block device is mapped locally."""
try:
out = check_output(['rbd', 'showmapped'])
if six.PY3:
out = out.decode('UTF-8')
out = check_output(['rbd', 'showmapped']).decode('utf-8')
except CalledProcessError:
return False
@ -1857,7 +1857,7 @@ class CephBrokerRq(object):
}
def add_op_create_replicated_pool(self, name, replica_count=3, pg_num=None,
**kwargs):
crush_profile=None, **kwargs):
"""Adds an operation to create a replicated pool.
Refer to docstring for ``_partial_build_common_op_create`` for
@ -1871,6 +1871,10 @@ class CephBrokerRq(object):
for pool.
:type pg_num: int
:raises: AssertionError if provided data is of invalid type/range
:param crush_profile: Name of crush profile to use. If not set the
ceph-mon unit handling the broker request will
set its default value.
:type crush_profile: Optional[str]
"""
if pg_num and kwargs.get('weight'):
raise ValueError('pg_num and weight are mutually exclusive')
@ -1880,6 +1884,7 @@ class CephBrokerRq(object):
'name': name,
'replicas': replica_count,
'pg_num': pg_num,
'crush-profile': crush_profile
}
op.update(self._partial_build_common_op_create(**kwargs))

10
charmhelpers/contrib/storage/linux/loopback.py
View File

@ -19,8 +19,6 @@ from subprocess import (
check_output,
)
import six
##################################################
# loopback device helpers.
@ -40,9 +38,7 @@ def loopback_devices():
'''
loopbacks = {}
cmd = ['losetup', '-a']
output = check_output(cmd)
if six.PY3:
output = output.decode('utf-8')
output = check_output(cmd).decode('utf-8')
devs = [d.strip().split(' ', 2) for d in output.splitlines() if d != '']
for dev, _, f in devs:
loopbacks[dev.replace(':', '')] = re.search(r'\((.+)\)', f).groups()[0]
@ -57,7 +53,7 @@ def create_loopback(file_path):
'''
file_path = os.path.abspath(file_path)
check_call(['losetup', '--find', file_path])
for d, f in six.iteritems(loopback_devices()):
for d, f in loopback_devices().items():
if f == file_path:
return d
@ -71,7 +67,7 @@ def ensure_loopback_device(path, size):
:returns: str: Full path to the ensured loopback device (eg, /dev/loop0)
'''
for d, f in six.iteritems(loopback_devices()):
for d, f in loopback_devices().items():
if f == path:
return d

81
charmhelpers/core/hookenv.py
View File

@ -17,12 +17,11 @@
# Authors:
# Charm Helpers Developers <juju@lists.ubuntu.com>
from __future__ import print_function
import copy
from distutils.version import LooseVersion
from enum import Enum
from functools import wraps
from collections import namedtuple
from collections import namedtuple, UserDict
import glob
import os
import json
@ -36,12 +35,6 @@ from subprocess import CalledProcessError
from charmhelpers import deprecate
import six
if not six.PY3:
from UserDict import UserDict
else:
from collections import UserDict
CRITICAL = "CRITICAL"
ERROR = "ERROR"
@ -112,7 +105,7 @@ def log(message, level=None):
command = ['juju-log']
if level:
command += ['-l', level]
if not isinstance(message, six.string_types):
if not isinstance(message, str):
message = repr(message)
command += [message[:SH_MAX_ARG]]
# Missing juju-log should not cause failures in unit tests
@ -132,7 +125,7 @@ def log(message, level=None):
def function_log(message):
"""Write a function progress message"""
command = ['function-log']
if not isinstance(message, six.string_types):
if not isinstance(message, str):
message = repr(message)
command += [message[:SH_MAX_ARG]]
# Missing function-log should not cause failures in unit tests
@ -445,12 +438,6 @@ def config(scope=None):
"""
global _cache_config
config_cmd_line = ['config-get', '--all', '--format=json']
try:
# JSON Decode Exception for Python3.5+
exc_json = json.decoder.JSONDecodeError
except AttributeError:
# JSON Decode Exception for Python2.7 through Python3.4
exc_json = ValueError
try:
if _cache_config is None:
config_data = json.loads(
@ -459,7 +446,7 @@ def config(scope=None):
if scope is not None:
return _cache_config.get(scope)
return _cache_config
except (exc_json, UnicodeDecodeError) as e:
except (json.decoder.JSONDecodeError, UnicodeDecodeError) as e:
log('Unable to parse output from config-get: config_cmd_line="{}" '
'message="{}"'
.format(config_cmd_line, str(e)), level=ERROR)
@ -491,12 +478,26 @@ def relation_get(attribute=None, unit=None, rid=None, app=None):
raise
@cached
def _relation_set_accepts_file():
"""Return True if the juju relation-set command accepts a file.
Cache the result as it won't change during the execution of a hook, and
thus we can make relation_set() more efficient by only checking for the
first relation_set() call.
:returns: True if relation_set accepts a file.
:rtype: bool
:raises: subprocess.CalledProcessError if the check fails.
"""
return "--file" in subprocess.check_output(
["relation-set", "--help"], universal_newlines=True)
def relation_set(relation_id=None, relation_settings=None, app=False, **kwargs):
"""Set relation information for the current unit"""
relation_settings = relation_settings if relation_settings else {}
relation_cmd_line = ['relation-set']
accepts_file = "--file" in subprocess.check_output(
relation_cmd_line + ["--help"], universal_newlines=True)
if app:
relation_cmd_line.append('--app')
if relation_id is not None:
@ -508,7 +509,7 @@ def relation_set(relation_id=None, relation_settings=None, app=False, **kwargs):
# sites pass in things like dicts or numbers.
if value is not None:
settings[key] = "{}".format(value)
if accepts_file:
if _relation_set_accepts_file():
# --file was introduced in Juju 1.23.2. Use it by default if
# available, since otherwise we'll break if the relation data is
# too big. Ideally we should tell relation-set to read the data from
@ -1003,14 +1004,8 @@ def cmd_exists(cmd):
@cached
@deprecate("moved to function_get()", log=log)
def action_get(key=None):
"""
.. deprecated:: 0.20.7
Alias for :func:`function_get`.
Gets the value of an action parameter, or all key/value param pairs.
"""
"""Gets the value of an action parameter, or all key/value param pairs."""
cmd = ['action-get']
if key is not None:
cmd.append(key)
@ -1020,8 +1015,12 @@ def action_get(key=None):
@cached
@deprecate("moved to action_get()", log=log)
def function_get(key=None):
"""Gets the value of an action parameter, or all key/value param pairs"""
"""
.. deprecated::
Gets the value of an action parameter, or all key/value param pairs.
"""
cmd = ['function-get']
# Fallback for older charms.
if not cmd_exists('function-get'):
@ -1034,22 +1033,20 @@ def function_get(key=None):
return function_data
@deprecate("moved to function_set()", log=log)
def action_set(values):
"""
.. deprecated:: 0.20.7
Alias for :func:`function_set`.
Sets the values to be returned after the action finishes.
"""
"""Sets the values to be returned after the action finishes."""
cmd = ['action-set']
for k, v in list(values.items()):
cmd.append('{}={}'.format(k, v))
subprocess.check_call(cmd)
@deprecate("moved to action_set()", log=log)
def function_set(values):
"""Sets the values to be returned after the function finishes"""
"""
.. deprecated::
Sets the values to be returned after the function finishes.
"""
cmd = ['function-set']
# Fallback for older charms.
if not cmd_exists('function-get'):
@ -1060,12 +1057,8 @@ def function_set(values):
subprocess.check_call(cmd)
@deprecate("moved to function_fail()", log=log)
def action_fail(message):
"""
.. deprecated:: 0.20.7
Alias for :func:`function_fail`.
Sets the action status to failed and sets the error message.
The results set by action_set are preserved.
@ -1073,10 +1066,14 @@ def action_fail(message):
subprocess.check_call(['action-fail', message])
@deprecate("moved to action_fail()", log=log)
def function_fail(message):
"""Sets the function status to failed and sets the error message.
"""
.. deprecated::
Sets the function status to failed and sets the error message.
The results set by function_set are preserved."""
The results set by function_set are preserved.
"""
cmd = ['function-fail']
# Fallback for older charms.
if not cmd_exists('function-fail'):

41
charmhelpers/core/host.py
View File

@ -31,7 +31,6 @@ import subprocess
import hashlib
import functools
import itertools
import six
from contextlib import contextmanager
from collections import OrderedDict, defaultdict
@ -115,6 +114,33 @@ def service_stop(service_name, **kwargs):
return service('stop', service_name, **kwargs)
def service_enable(service_name, **kwargs):
"""Enable a system service.
The specified service name is managed via the system level init system.
Some init systems (e.g. upstart) require that additional arguments be
provided in order to directly control service instances whereas other init
systems allow for addressing instances of a service directly by name (e.g.
systemd).
The kwargs allow for the additional parameters to be passed to underlying
init systems for those systems which require/allow for them. For example,
the ceph-osd upstart script requires the id parameter to be passed along
in order to identify which running daemon should be restarted. The follow-
ing example restarts the ceph-osd service for instance id=4:
service_enable('ceph-osd', id=4)
:param service_name: the name of the service to enable
:param **kwargs: additional parameters to pass to the init system when
managing services. These will be passed as key=value
parameters to the init system's commandline. kwargs
are ignored for init systems not allowing additional
parameters via the commandline (systemd).
"""
return service('enable', service_name, **kwargs)
def service_restart(service_name, **kwargs):
"""Restart a system service.
@ -135,7 +161,7 @@ def service_restart(service_name, **kwargs):
:param service_name: the name of the service to restart
:param **kwargs: additional parameters to pass to the init system when
managing services. These will be passed as key=value
parameters to the init system's commandline. kwargs
parameters to the init system's commandline. kwargs
are ignored for init systems not allowing additional
parameters via the commandline (systemd).
"""
@ -263,7 +289,7 @@ def service(action, service_name, **kwargs):
cmd = ['systemctl', action, service_name]
else:
cmd = ['service', service_name, action]
for key, value in six.iteritems(kwargs):
for key, value in kwargs.items():
parameter = '%s=%s' % (key, value)
cmd.append(parameter)
return subprocess.call(cmd) == 0
@ -289,7 +315,7 @@ def service_running(service_name, **kwargs):
if os.path.exists(_UPSTART_CONF.format(service_name)):
try:
cmd = ['status', service_name]
for key, value in six.iteritems(kwargs):
for key, value in kwargs.items():
parameter = '%s=%s' % (key, value)
cmd.append(parameter)
output = subprocess.check_output(
@ -564,7 +590,7 @@ def write_file(path, content, owner='root', group='root', perms=0o444):
with open(path, 'wb') as target:
os.fchown(target.fileno(), uid, gid)
os.fchmod(target.fileno(), perms)
if six.PY3 and isinstance(content, six.string_types):
if isinstance(content, str):
content = content.encode('UTF-8')
target.write(content)
return
@ -967,7 +993,7 @@ def get_bond_master(interface):
def list_nics(nic_type=None):
"""Return a list of nics of given type(s)"""
if isinstance(nic_type, six.string_types):
if isinstance(nic_type, str):
int_types = [nic_type]
else:
int_types = nic_type
@ -1081,8 +1107,7 @@ def chownr(path, owner, group, follow_links=True, chowntopdir=False):
try:
chown(full, uid, gid)
except (IOError, OSError) as e:
# Intended to ignore "file not found". Catching both to be
# compatible with both Python 2.7 and 3.x.
# Intended to ignore "file not found".
if e.errno == errno.ENOENT:
pass

7
charmhelpers/core/services/base.py
View File

@ -17,8 +17,6 @@ import json
import inspect
from collections import Iterable, OrderedDict
import six
from charmhelpers.core import host
from charmhelpers.core import hookenv
@ -171,10 +169,7 @@ class ServiceManager(object):
if not units:
continue
remote_service = units[0].split('/')[0]
if six.PY2:
argspec = inspect.getargspec(provider.provide_data)
else:
argspec = inspect.getfullargspec(provider.provide_data)
argspec = inspect.getfullargspec(provider.provide_data)
if len(argspec.args) > 1:
data = provider.provide_data(remote_service, service_ready)
else:

4
charmhelpers/core/services/helpers.py
View File

@ -179,7 +179,7 @@ class RequiredConfig(dict):
self.required_options = args
self['config'] = hookenv.config()
with open(os.path.join(hookenv.charm_dir(), 'config.yaml')) as fp:
self.config = yaml.load(fp).get('options', {})
self.config = yaml.safe_load(fp).get('options', {})
def __bool__(self):
for option in self.required_options:
@ -227,7 +227,7 @@ class StoredContext(dict):
if not os.path.isabs(file_name):
file_name = os.path.join(hookenv.charm_dir(), file_name)
with open(file_name, 'r') as file_stream:
data = yaml.load(file_stream)
data = yaml.safe_load(file_stream)
if not data:
raise OSError("%s is empty" % file_name)
return data

9
charmhelpers/core/strutils.py
View File

@ -15,7 +15,6 @@
# See the License for the specific language governing permissions and
# limitations under the License.
import six
import re
TRUTHY_STRINGS = {'y', 'yes', 'true', 't', 'on'}
@ -27,8 +26,8 @@ def bool_from_string(value, truthy_strings=TRUTHY_STRINGS, falsey_strings=FALSEY
Returns True if value translates to True otherwise False.
"""
if isinstance(value, six.string_types):
value = six.text_type(value)
if isinstance(value, str):
value = str(value)
else:
msg = "Unable to interpret non-string value '%s' as boolean" % (value)
raise ValueError(msg)
@ -61,8 +60,8 @@ def bytes_from_string(value):
'P': 5,
'PB': 5,
}
if isinstance(value, six.string_types):
value = six.text_type(value)
if isinstance(value, str):
value = str(value)
else:
msg = "Unable to interpret non-string value '%s' as bytes" % (value)
raise ValueError(msg)

11
charmhelpers/core/templating.py
View File

@ -13,7 +13,6 @@
# limitations under the License.
import os
import sys
from charmhelpers.core import host
from charmhelpers.core import hookenv
@ -43,9 +42,8 @@ def render(source, target, context, owner='root', group='root',
The rendered template will be written to the file as well as being returned
as a string.
Note: Using this requires python-jinja2 or python3-jinja2; if it is not
installed, calling this will attempt to use charmhelpers.fetch.apt_install
to install it.
Note: Using this requires python3-jinja2; if it is not installed, calling
this will attempt to use charmhelpers.fetch.apt_install to install it.
"""
try:
from jinja2 import FileSystemLoader, Environment, exceptions
@ -57,10 +55,7 @@ def render(source, target, context, owner='root', group='root',
'charmhelpers.fetch to install it',
level=hookenv.ERROR)
raise
if sys.version_info.major == 2:
apt_install('python-jinja2', fatal=True)
else:
apt_install('python3-jinja2', fatal=True)
apt_install('python3-jinja2', fatal=True)
from jinja2 import FileSystemLoader, Environment, exceptions
if template_loader:

10
charmhelpers/fetch/__init__.py
View File

@ -20,11 +20,7 @@ from charmhelpers.core.hookenv import (
log,
)
import six
if six.PY3:
from urllib.parse import urlparse, urlunparse
else:
from urlparse import urlparse, urlunparse
from urllib.parse import urlparse, urlunparse
# The order of this list is very important. Handlers should be listed in from
@ -134,14 +130,14 @@ def configure_sources(update=False,
sources = safe_load((config(sources_var) or '').strip()) or []
keys = safe_load((config(keys_var) or '').strip()) or None
if isinstance(sources, six.string_types):
if isinstance(sources, str):
sources = [sources]
if keys is None:
for source in sources:
add_source(source, None)
else:
if isinstance(keys, six.string_types):
if isinstance(keys, str):
keys = [keys]
if len(sources) != len(keys):

29
charmhelpers/fetch/archiveurl.py
View File

@ -26,26 +26,15 @@ from charmhelpers.payload.archive import (
)
from charmhelpers.core.host import mkdir, check_hash
import six
if six.PY3:
from urllib.request import (
build_opener, install_opener, urlopen, urlretrieve,
HTTPPasswordMgrWithDefaultRealm, HTTPBasicAuthHandler,
)
from urllib.parse import urlparse, urlunparse, parse_qs
from urllib.error import URLError
else:
from urllib import urlretrieve
from urllib2 import (
build_opener, install_opener, urlopen,
HTTPPasswordMgrWithDefaultRealm, HTTPBasicAuthHandler,
URLError
)
from urlparse import urlparse, urlunparse, parse_qs
from urllib.request import (
build_opener, install_opener, urlopen, urlretrieve,
HTTPPasswordMgrWithDefaultRealm, HTTPBasicAuthHandler,
)
from urllib.parse import urlparse, urlunparse, parse_qs
from urllib.error import URLError
def splituser(host):
'''urllib.splituser(), but six's support of this seems broken'''
_userprog = re.compile('^(.*)@(.*)$')
match = _userprog.match(host)
if match:
@ -54,7 +43,6 @@ def splituser(host):
def splitpasswd(user):
'''urllib.splitpasswd(), but six's support of this is missing'''
_passwdprog = re.compile('^([^:]*):(.*)$', re.S)
match = _passwdprog.match(user)
if match:
@ -150,10 +138,7 @@ class ArchiveUrlFetchHandler(BaseFetchHandler):
raise UnhandledSource(e.strerror)
options = parse_qs(url_parts.fragment)
for key, value in options.items():
if not six.PY3:
algorithms = hashlib.algorithms
else:
algorithms = hashlib.algorithms_available
algorithms = hashlib.algorithms_available
if key in algorithms:
if len(value) != 1:
raise TypeError(

7
charmhelpers/fetch/centos.py
View File

@ -15,7 +15,6 @@
import subprocess
import os
import time
import six
import yum
from tempfile import NamedTemporaryFile
@ -42,7 +41,7 @@ def install(packages, options=None, fatal=False):
if options is not None:
cmd.extend(options)
cmd.append('install')
if isinstance(packages, six.string_types):
if isinstance(packages, str):
cmd.append(packages)
else:
cmd.extend(packages)
@ -71,7 +70,7 @@ def update(fatal=False):
def purge(packages, fatal=False):
"""Purge one or more packages."""
cmd = ['yum', '--assumeyes', 'remove']
if isinstance(packages, six.string_types):
if isinstance(packages, str):
cmd.append(packages)
else:
cmd.extend(packages)
@ -83,7 +82,7 @@ def yum_search(packages):
"""Search for a package."""
output = {}
cmd = ['yum', 'search']
if isinstance(packages, six.string_types):
if isinstance(packages, str):
cmd.append(packages)
else:
cmd.extend(packages)

2
charmhelpers/fetch/python/debug.py
View File

@ -15,8 +15,6 @@
# See the License for the specific language governing permissions and
# limitations under the License.
from __future__ import print_function
import atexit
import sys

14
charmhelpers/fetch/python/packages.py
View File

@ -16,7 +16,6 @@
# limitations under the License.
import os
import six
import subprocess
import sys
@ -40,10 +39,7 @@ def pip_execute(*args, **kwargs):
from pip import main as _pip_execute
except ImportError:
apt_update()
if six.PY2:
apt_install('python-pip')
else:
apt_install('python3-pip')
apt_install('python3-pip')
from pip import main as _pip_execute
_pip_execute(*args, **kwargs)
finally:
@ -140,12 +136,8 @@ def pip_list():
def pip_create_virtualenv(path=None):
"""Create an isolated Python environment."""
if six.PY2:
apt_install('python-virtualenv')
extra_flags = []
else:
apt_install(['python3-virtualenv', 'virtualenv'])
extra_flags = ['--python=python3']
apt_install(['python3-virtualenv', 'virtualenv'])
extra_flags = ['--python=python3']
if path:
venv_path = path

37
charmhelpers/fetch/ubuntu.py
View File

@ -13,10 +13,8 @@
# limitations under the License.
from collections import OrderedDict
import os
import platform
import re
import six
import subprocess
import sys
import time
@ -361,7 +359,7 @@ def apt_install(packages, options=None, fatal=False, quiet=False):
cmd = ['apt-get', '--assume-yes']
cmd.extend(options)
cmd.append('install')
if isinstance(packages, six.string_types):
if isinstance(packages, str):
cmd.append(packages)
else:
cmd.extend(packages)
@ -413,7 +411,7 @@ def apt_purge(packages, fatal=False):
:raises: subprocess.CalledProcessError
"""
cmd = ['apt-get', '--assume-yes', 'purge']
if isinstance(packages, six.string_types):
if isinstance(packages, str):
cmd.append(packages)
else:
cmd.extend(packages)
@ -440,7 +438,7 @@ 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, six.string_types):
if isinstance(packages, str):
cmd.append(packages)
else:
cmd.extend(packages)
@ -485,10 +483,7 @@ def import_key(key):
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)
if six.PY3:
key_bytes = key.encode('utf-8')
else:
key_bytes = key
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)
@ -528,9 +523,8 @@ def _get_keyid_by_gpg_key(key_material):
stderr=subprocess.PIPE,
stdin=subprocess.PIPE)
out, err = ps.communicate(input=key_material)
if six.PY3:
out = out.decode('utf-8')
err = err.decode('utf-8')
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)
@ -588,8 +582,7 @@ def _dearmor_gpg_key(key_asc):
stdin=subprocess.PIPE)
out, err = ps.communicate(input=key_asc)
# no need to decode output as it is binary (invalid utf-8), only error
if six.PY3:
err = err.decode('utf-8')
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'
@ -693,7 +686,7 @@ def add_source(source, key=None, fail_invalid=False):
])
if source is None:
source = ''
for r, fn in six.iteritems(_mapping):
for r, fn in _mapping.items():
m = re.match(r, source)
if m:
if key:
@ -726,7 +719,7 @@ def _add_proposed():
"""
release = get_distrib_codename()
arch = platform.machine()
if arch not in six.iterkeys(ARCH_TO_PROPOSED_POCKET):
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:
@ -913,9 +906,8 @@ def _run_with_retries(cmd, max_retries=CMD_RETRY_COUNT, retry_exitcodes=(1,),
kwargs = {}
if quiet:
devnull = os.devnull if six.PY2 else subprocess.DEVNULL
kwargs['stdout'] = devnull
kwargs['stderr'] = devnull
kwargs['stdout'] = subprocess.DEVNULL
kwargs['stderr'] = subprocess.DEVNULL
if not retry_message:
retry_message = "Failed executing '{}'".format(" ".join(cmd))
@ -957,9 +949,8 @@ def _run_apt_command(cmd, fatal=False, quiet=False):
else:
kwargs = {}
if quiet:
devnull = os.devnull if six.PY2 else subprocess.DEVNULL
kwargs['stdout'] = devnull
kwargs['stderr'] = devnull
kwargs['stdout'] = subprocess.DEVNULL
kwargs['stderr'] = subprocess.DEVNULL
subprocess.call(cmd, env=get_apt_dpkg_env(), **kwargs)
@ -989,7 +980,7 @@ def get_installed_version(package):
Version object
"""
cache = apt_cache()
dpkg_result = cache._dpkg_list([package]).get(package, {})
dpkg_result = cache.dpkg_list([package]).get(package, {})
current_ver = None
installed_version = dpkg_result.get('version')

25
charmhelpers/fetch/ubuntu_apt_pkg.py
View File

@ -40,6 +40,9 @@ import os
import subprocess
import sys
from charmhelpers import deprecate
from charmhelpers.core.hookenv import log
class _container(dict):
"""Simple container for attributes."""
@ -79,7 +82,7 @@ class Cache(object):
apt_result = self._apt_cache_show([package])[package]
apt_result['name'] = apt_result.pop('package')
pkg = Package(apt_result)
dpkg_result = self._dpkg_list([package]).get(package, {})
dpkg_result = self.dpkg_list([package]).get(package, {})
current_ver = None
installed_version = dpkg_result.get('version')
if installed_version:
@ -88,9 +91,29 @@ class Cache(object):
pkg.architecture = dpkg_result.get('architecture')
return pkg
@deprecate("use dpkg_list() instead.", "2022-05", log=log)
def _dpkg_list(self, packages):
return self.dpkg_list(packages)
def dpkg_list(self, packages):
"""Get data from system dpkg database for package.
Note that this method is also useful for querying package names
containing wildcards, for example
apt_cache().dpkg_list(['nvidia-vgpu-ubuntu-*'])
may return
{
'nvidia-vgpu-ubuntu-470': {
'name': 'nvidia-vgpu-ubuntu-470',
'version': '470.68',
'architecture': 'amd64',
'description': 'NVIDIA vGPU driver - version 470.68'
}
}
:param packages: Packages to get data from
:type packages: List[str]
:returns: Structured data about installed packages, keys like