From 26ea813d293467921ab6b1e32abd2ab8fcefa3bd Mon Sep 17 00:00:00 2001 From: Joshua Harlow Date: Wed, 11 May 2016 14:18:02 -0700 Subject: Fix py26 for rhel (and older versions of python) --- cloudinit/util.py | 25 ++++++++++++++++++++++--- 1 file changed, 22 insertions(+), 3 deletions(-) (limited to 'cloudinit/util.py') diff --git a/cloudinit/util.py b/cloudinit/util.py index 0d21e11b..7562b97a 100644 --- a/cloudinit/util.py +++ b/cloudinit/util.py @@ -37,6 +37,7 @@ import pwd import random import re import shutil +import shlex import socket import stat import string @@ -81,6 +82,7 @@ CONTAINER_TESTS = (['systemd-detect-virt', '--quiet', '--container'], ['lxc-is-container']) PROC_CMDLINE = None +PY26 = sys.version_info[0:2] == (2, 6) def decode_binary(blob, encoding='utf-8'): @@ -171,7 +173,8 @@ class ProcessExecutionError(IOError): def __init__(self, stdout=None, stderr=None, exit_code=None, cmd=None, - description=None, reason=None): + description=None, reason=None, + errno=None): if not cmd: self.cmd = '-' else: @@ -202,6 +205,7 @@ class ProcessExecutionError(IOError): else: self.reason = '-' + self.errno = errno message = self.MESSAGE_TMPL % { 'description': self.description, 'cmd': self.cmd, @@ -1147,7 +1151,14 @@ def find_devs_with(criteria=None, oformat='device', options.append(path) cmd = blk_id_cmd + options # See man blkid for why 2 is added - (out, _err) = subp(cmd, rcs=[0, 2]) + try: + (out, _err) = subp(cmd, rcs=[0, 2]) + except ProcessExecutionError as e: + if e.errno == errno.ENOENT: + # blkid not found... + out = "" + else: + raise entries = [] for line in out.splitlines(): line = line.strip() @@ -1191,6 +1202,13 @@ def load_file(fname, read_cb=None, quiet=False, decode=True): return contents +def shlex_split(blob): + if PY26 and isinstance(blob, six.text_type): + # Older versions don't support unicode input + blob = blob.encode("utf8") + return shlex.split(blob) + + def get_cmdline(): if 'DEBUG_PROC_CMDLINE' in os.environ: return os.environ["DEBUG_PROC_CMDLINE"] @@ -1696,7 +1714,8 @@ def subp(args, data=None, rcs=None, env=None, capture=True, shell=False, sp = subprocess.Popen(args, **kws) (out, err) = sp.communicate(data) except OSError as e: - raise ProcessExecutionError(cmd=args, reason=e) + raise ProcessExecutionError(cmd=args, reason=e, + errno=e.errno) rc = sp.returncode if rc not in rcs: raise ProcessExecutionError(stdout=out, stderr=err, -- cgit v1.2.3 From 880d9fc2f9c62abf19b1506595aa81e5417dea45 Mon Sep 17 00:00:00 2001 From: Joshua Harlow Date: Thu, 19 May 2016 14:13:07 -0700 Subject: Adjust net module to be more isolated This allows it to be used outside of cloudinit more easily in the future. --- cloudinit/net/__init__.py | 108 ++++++++++++++++++--------------- cloudinit/net/cmdline.py | 15 ++++- cloudinit/net/eni.py | 35 +++++------ cloudinit/net/network_state.py | 38 +++++++++--- cloudinit/sources/helpers/openstack.py | 4 ++ cloudinit/util.py | 9 --- tests/unittests/test_net.py | 7 ++- 7 files changed, 129 insertions(+), 87 deletions(-) (limited to 'cloudinit/util.py') diff --git a/cloudinit/net/__init__.py b/cloudinit/net/__init__.py index 0202cbd8..07e7307e 100644 --- a/cloudinit/net/__init__.py +++ b/cloudinit/net/__init__.py @@ -17,44 +17,81 @@ # along with Curtin. If not, see . import errno +import logging import os - -from cloudinit import log as logging -from cloudinit.net import network_state -from cloudinit import util - +import six +import yaml LOG = logging.getLogger(__name__) SYS_CLASS_NET = "/sys/class/net/" LINKS_FNAME_PREFIX = "etc/systemd/network/50-cloud-init-" DEFAULT_PRIMARY_INTERFACE = 'eth0' +# NOTE(harlowja): some of these are similar to what is in cloudinit main +# source or utils tree/module but the reason that is done is so that this +# whole module can be easily extracted and placed into other +# code-bases (curtin for example). -def sys_dev_path(devname, path=""): - return SYS_CLASS_NET + devname + "/" + path +def write_file(path, content): + """Simple writing a file helper.""" + base_path = os.path.dirname(path) + if not os.path.isdir(base_path): + os.makedirs(base_path) + with open(path, "wb+") as fh: + if isinstance(content, six.text_type): + content = content.encode("utf8") + fh.write(content) -def read_sys_net(devname, path, translate=None, enoent=None, keyerror=None): +def read_file(path, decode='utf8', enoent=None): try: - contents = "" - with open(sys_dev_path(devname, path), "r") as fp: - contents = fp.read().strip() - if translate is None: - return contents - - try: - return translate.get(contents) - except KeyError: - LOG.debug("found unexpected value '%s' in '%s/%s'", contents, - devname, path) - if keyerror is not None: - return keyerror - raise + with open(path, "rb") as fh: + contents = fh.load() except OSError as e: if e.errno == errno.ENOENT and enoent is not None: return enoent raise + if decode: + return contents.decode(decode) + return contents + + +def dump_yaml(obj): + return yaml.safe_dump(obj, + line_break="\n", + indent=4, + explicit_start=True, + explicit_end=True, + default_flow_style=False) + + +def read_yaml_file(path): + val = yaml.safe_load(read_file(path)) + if not isinstance(val, dict): + gotten_type_name = type(val).__name__ + raise TypeError("Expected dict to be loaded from %s, got" + " '%s' instead" % (path, gotten_type_name)) + return val + + +def sys_dev_path(devname, path=""): + return SYS_CLASS_NET + devname + "/" + path + + +def read_sys_net(devname, path, translate=None, enoent=None, keyerror=None): + contents = read_file(sys_dev_path(devname, path), enoent=enoent) + contents = contents.strip() + if translate is None: + return contents + try: + return translate.get(contents) + except KeyError: + LOG.debug("found unexpected value '%s' in '%s/%s'", contents, + devname, path) + if keyerror is not None: + return keyerror + raise def is_up(devname): @@ -107,31 +144,6 @@ class ParserError(Exception): """Raised when parser has issue parsing the interfaces file.""" -def parse_net_config_data(net_config, skip_broken=True): - """Parses the config, returns NetworkState object - - :param net_config: curtin network config dict - """ - state = None - if 'version' in net_config and 'config' in net_config: - ns = network_state.NetworkState(version=net_config.get('version'), - config=net_config.get('config')) - ns.parse_config(skip_broken=skip_broken) - state = ns.network_state - return state - - -def parse_net_config(path, skip_broken=True): - """Parses a curtin network configuration file and - return network state""" - ns = None - net_config = util.read_conf(path) - if 'network' in net_config: - ns = parse_net_config_data(net_config.get('network'), - skip_broken=skip_broken) - return ns - - def is_disabled_cfg(cfg): if not cfg or not isinstance(cfg, dict): return False @@ -146,7 +158,7 @@ def sys_netdev_info(name, field): fname = os.path.join(SYS_CLASS_NET, name, field) if not os.path.exists(fname): raise OSError("%s: could not find sysfs entry: %s" % (name, fname)) - data = util.load_file(fname) + data = read_file(fname) if data[-1] == '\n': data = data[:-1] return data diff --git a/cloudinit/net/cmdline.py b/cloudinit/net/cmdline.py index f5712533..b85d4b0a 100644 --- a/cloudinit/net/cmdline.py +++ b/cloudinit/net/cmdline.py @@ -20,12 +20,25 @@ import base64 import glob import gzip import io +import shlex +import sys + +import six from cloudinit.net import get_devicelist from cloudinit.net import sys_netdev_info from cloudinit import util +PY26 = sys.version_info[0:2] == (2, 6) + + +def _shlex_split(blob): + if PY26 and isinstance(blob, six.text_type): + # Older versions don't support unicode input + blob = blob.encode("utf8") + return shlex.split(blob) + def _load_shell_content(content, add_empty=False, empty_val=None): """Given shell like syntax (key=value\nkey2=value2\n) in content @@ -33,7 +46,7 @@ def _load_shell_content(content, add_empty=False, empty_val=None): then add entries in to the returned dictionary for 'VAR=' variables. Set their value to empty_val.""" data = {} - for line in util.shlex_split(content): + for line in _shlex_split(content): try: key, value = line.split("=", 1) except ValueError: diff --git a/cloudinit/net/eni.py b/cloudinit/net/eni.py index b1bdac24..adb31c22 100644 --- a/cloudinit/net/eni.py +++ b/cloudinit/net/eni.py @@ -16,10 +16,11 @@ import glob import os import re +from cloudinit import net + from cloudinit.net import LINKS_FNAME_PREFIX from cloudinit.net import ParserError from cloudinit.net.udev import generate_udev_rule -from cloudinit import util NET_CONFIG_COMMANDS = [ @@ -363,16 +364,13 @@ class Renderer(object): links_prefix=LINKS_FNAME_PREFIX, netrules='etc/udev/rules.d/70-persistent-net.rules'): - fpeni = os.path.sep.join((target, eni,)) - util.ensure_dir(os.path.dirname(fpeni)) - with open(fpeni, 'w+') as f: - f.write(self._render_interfaces(network_state)) + fpeni = os.path.join(target, eni) + net.write_file(fpeni, self._render_interfaces(network_state)) if netrules: - netrules = os.path.sep.join((target, netrules,)) - util.ensure_dir(os.path.dirname(netrules)) - with open(netrules, 'w+') as f: - f.write(self._render_persistent_net(network_state)) + netrules = os.path.join(target, netrules) + net.write_file(netrules, + self._render_persistent_net(network_state)) if links_prefix: self._render_systemd_links(target, network_state, links_prefix) @@ -382,18 +380,17 @@ class Renderer(object): fp_prefix = os.path.sep.join((target, links_prefix)) for f in glob.glob(fp_prefix + "*"): os.unlink(f) - interfaces = network_state.get('interfaces') for iface in interfaces.values(): if (iface['type'] == 'physical' and 'name' in iface and iface.get('mac_address')): fname = fp_prefix + iface['name'] + ".link" - with open(fname, "w") as fp: - fp.write("\n".join([ - "[Match]", - "MACAddress=" + iface['mac_address'], - "", - "[Link]", - "Name=" + iface['name'], - "" - ])) + content = "\n".join([ + "[Match]", + "MACAddress=" + iface['mac_address'], + "", + "[Link]", + "Name=" + iface['name'], + "" + ]) + net.write_file(fname, content) diff --git a/cloudinit/net/network_state.py b/cloudinit/net/network_state.py index 2feffa71..c5aeadb5 100644 --- a/cloudinit/net/network_state.py +++ b/cloudinit/net/network_state.py @@ -16,12 +16,11 @@ # along with Curtin. If not, see . import copy +import logging import six -from cloudinit import log as logging -from cloudinit import util -from cloudinit.util import yaml_dumps as dump_config +from cloudinit import net LOG = logging.getLogger(__name__) @@ -31,9 +30,34 @@ NETWORK_STATE_REQUIRED_KEYS = { } +def parse_net_config_data(net_config, skip_broken=True): + """Parses the config, returns NetworkState object + + :param net_config: curtin network config dict + """ + state = None + if 'version' in net_config and 'config' in net_config: + ns = NetworkState(version=net_config.get('version'), + config=net_config.get('config')) + ns.parse_config(skip_broken=skip_broken) + state = ns.network_state + return state + + +def parse_net_config(path, skip_broken=True): + """Parses a curtin network configuration file and + return network state""" + ns = None + net_config = net.read_yaml_file(path) + if 'network' in net_config: + ns = parse_net_config_data(net_config.get('network'), + skip_broken=skip_broken) + return ns + + def from_state_file(state_file): network_state = None - state = util.read_conf(state_file) + state = net.read_yaml_file(state_file) network_state = NetworkState() network_state.load(state) return network_state @@ -111,7 +135,7 @@ class NetworkState(object): 'config': self.config, 'network_state': self.network_state, } - return dump_config(state) + return net.dump_yaml(state) def load(self, state): if 'version' not in state: @@ -121,7 +145,7 @@ class NetworkState(object): required_keys = NETWORK_STATE_REQUIRED_KEYS[state['version']] missing_keys = diff_keys(required_keys, state) if missing_keys: - msg = 'Invalid state, missing keys: %s'.format(missing_keys) + msg = 'Invalid state, missing keys: %s' % (missing_keys) LOG.error(msg) raise ValueError(msg) @@ -130,7 +154,7 @@ class NetworkState(object): setattr(self, key, state[key]) def dump_network_state(self): - return dump_config(self.network_state) + return net.dump_yaml(self.network_state) def parse_config(self, skip_broken=True): # rebuild network state diff --git a/cloudinit/sources/helpers/openstack.py b/cloudinit/sources/helpers/openstack.py index b2acc648..f85fd864 100644 --- a/cloudinit/sources/helpers/openstack.py +++ b/cloudinit/sources/helpers/openstack.py @@ -551,6 +551,10 @@ def convert_net_json(network_json): 'type': 'static', 'address': network.get('ip_address'), }) + if network['type'] == 'ipv6': + subnet['ipv6'] = True + else: + subnet['ipv4'] = True subnets.append(subnet) cfg.update({'subnets': subnets}) if link['type'] in ['ethernet', 'vif', 'ovs', 'phy']: diff --git a/cloudinit/util.py b/cloudinit/util.py index 7562b97a..2bec476e 100644 --- a/cloudinit/util.py +++ b/cloudinit/util.py @@ -37,7 +37,6 @@ import pwd import random import re import shutil -import shlex import socket import stat import string @@ -82,7 +81,6 @@ CONTAINER_TESTS = (['systemd-detect-virt', '--quiet', '--container'], ['lxc-is-container']) PROC_CMDLINE = None -PY26 = sys.version_info[0:2] == (2, 6) def decode_binary(blob, encoding='utf-8'): @@ -1202,13 +1200,6 @@ def load_file(fname, read_cb=None, quiet=False, decode=True): return contents -def shlex_split(blob): - if PY26 and isinstance(blob, six.text_type): - # Older versions don't support unicode input - blob = blob.encode("utf8") - return shlex.split(blob) - - def get_cmdline(): if 'DEBUG_PROC_CMDLINE' in os.environ: return os.environ["DEBUG_PROC_CMDLINE"] diff --git a/tests/unittests/test_net.py b/tests/unittests/test_net.py index ed2c6d0f..75c433f6 100644 --- a/tests/unittests/test_net.py +++ b/tests/unittests/test_net.py @@ -2,6 +2,7 @@ from cloudinit import util from cloudinit import net from cloudinit.net import cmdline from cloudinit.net import eni +from cloudinit.net import network_state from .helpers import TestCase from .helpers import mock @@ -112,14 +113,14 @@ class TestEniNetRendering(TestCase): mock_sys_dev_path.side_effect = sys_dev_path network_cfg = net.generate_fallback_config() - network_state = net.parse_net_config_data(network_cfg, - skip_broken=False) + ns = network_state.parse_net_config_data(network_cfg, + skip_broken=False) render_dir = os.path.join(tmp_dir, "render") os.makedirs(render_dir) renderer = eni.Renderer() - renderer.render_network_state(render_dir, network_state, + renderer.render_network_state(render_dir, ns, eni="interfaces", links_prefix=None, netrules=None) -- cgit v1.2.3 From ee239517c5342cbd62c9fdeaf735d78d6fd1fbb8 Mon Sep 17 00:00:00 2001 From: Christian Ehrhardt Date: Mon, 23 May 2016 11:59:14 +0200 Subject: support apt_sources to be a dictionary key is the filename, and "old" input shall be handled as it was all the time. For compatibility this will (continue to) overwrite the file of multiple options that did not specify an output file (they all get the same default). Yet it will process them all - as it always did - e.g. to add the keys of all of them. Any users of the new format won't have these issues, as they will always have a key. --- cloudinit/config/cc_apt_configure.py | 34 +++++++++++++++++++++++++--------- cloudinit/util.py | 8 ++++++++ 2 files changed, 33 insertions(+), 9 deletions(-) (limited to 'cloudinit/util.py') diff --git a/cloudinit/config/cc_apt_configure.py b/cloudinit/config/cc_apt_configure.py index e5a962ac..a46ebb3e 100644 --- a/cloudinit/config/cc_apt_configure.py +++ b/cloudinit/config/cc_apt_configure.py @@ -215,8 +215,28 @@ def add_sources(srclist, template_params=None, aa_repo_match=None): def aa_repo_match(x): return False + # convert old list format to new dict based format + if isinstance(srclist, list): + srcdict = {} + for srcent in srclist: + if 'filename' not in srcent: + # file collides for multiple !filename cases for compatibility + # yet we need them all processed, so not same dictionary key + srcent['filename'] = "cloud_config_sources.list" + key = util.rand_dict_key(srcdict, "cloud_config_sources.list") + else: + # all with filename use that as key (matching new format) + key = srcent['filename'] + srcdict[key] = srcent + else: + srcdict = srclist + errorlist = [] - for ent in srclist: + for filename in srcdict: + ent = srcdict[filename] + if 'filename' not in ent: + ent[filename] = filename + # keys can be added without specifying a source try: add_key(ent) @@ -226,10 +246,13 @@ def add_sources(srclist, template_params=None, aa_repo_match=None): if 'source' not in ent: errorlist.append(["", "missing source"]) continue - source = ent['source'] source = templater.render_string(source, template_params) + if not ent['filename'].startswith("/"): + ent['filename'] = os.path.join("/etc/apt/sources.list.d/", + ent['filename']) + if aa_repo_match(source): try: util.subp(["add-apt-repository", source]) @@ -238,13 +261,6 @@ def add_sources(srclist, template_params=None, aa_repo_match=None): ("add-apt-repository failed. " + str(e))]) continue - if 'filename' not in ent: - ent['filename'] = 'cloud_config_sources.list' - - if not ent['filename'].startswith("/"): - ent['filename'] = os.path.join("/etc/apt/sources.list.d/", - ent['filename']) - try: contents = "%s\n" % (source) util.write_file(ent['filename'], contents, omode="ab") diff --git a/cloudinit/util.py b/cloudinit/util.py index 0d21e11b..2931efbd 100644 --- a/cloudinit/util.py +++ b/cloudinit/util.py @@ -335,6 +335,14 @@ def rand_str(strlen=32, select_from=None): select_from = string.ascii_letters + string.digits return "".join([random.choice(select_from) for _x in range(0, strlen)]) +def rand_dict_key(dictionary, postfix=None): + if not postfix: + postfix = "" + while True: + newkey = rand_str(strlen=8) + "_" + postfix + if newkey not in dictionary: + break + return newkey def read_conf(fname): try: -- cgit v1.2.3 From a63a64a70def97730d2ab544b0df9f87f3484333 Mon Sep 17 00:00:00 2001 From: Christian Ehrhardt Date: Mon, 23 May 2016 16:53:03 +0200 Subject: final pep8 check fixups --- cloudinit/util.py | 2 ++ tests/unittests/test_handler/test_handler_apt_source.py | 9 +++------ 2 files changed, 5 insertions(+), 6 deletions(-) (limited to 'cloudinit/util.py') diff --git a/cloudinit/util.py b/cloudinit/util.py index 2931efbd..0773af69 100644 --- a/cloudinit/util.py +++ b/cloudinit/util.py @@ -335,6 +335,7 @@ def rand_str(strlen=32, select_from=None): select_from = string.ascii_letters + string.digits return "".join([random.choice(select_from) for _x in range(0, strlen)]) + def rand_dict_key(dictionary, postfix=None): if not postfix: postfix = "" @@ -344,6 +345,7 @@ def rand_dict_key(dictionary, postfix=None): break return newkey + def read_conf(fname): try: return load_yaml(load_file(fname), default={}) diff --git a/tests/unittests/test_handler/test_handler_apt_source.py b/tests/unittests/test_handler/test_handler_apt_source.py index 237cf14d..c19904fb 100644 --- a/tests/unittests/test_handler/test_handler_apt_source.py +++ b/tests/unittests/test_handler/test_handler_apt_source.py @@ -55,7 +55,6 @@ class TestAptSourceConfig(TestCase): self.fallbackfn = os.path.join(self.tmp, "etc/apt/sources.list.d/", "cloud_config_sources.list") - @staticmethod def _get_default_params(): """ get_default_params @@ -68,9 +67,9 @@ class TestAptSourceConfig(TestCase): def myjoin(self, *args, **kwargs): """ myjoin - redir into writable tmpdir""" - if (args[0] == "/etc/apt/sources.list.d/" - and args[1] == "cloud_config_sources.list" - and len(args) == 2): + if (args[0] == "/etc/apt/sources.list.d/" and + args[1] == "cloud_config_sources.list" and + len(args) == 2): return self.join(self.tmp, args[0].lstrip("/"), args[1]) else: return self.join(*args, **kwargs) @@ -137,7 +136,6 @@ class TestAptSourceConfig(TestCase): "main universe multiverse restricted"), contents, flags=re.IGNORECASE)) - def test_apt_src_basic_tri(self): """ test_apt_src_basic_tri Test Fix three deb source string, has to overwrite mirror conf in @@ -232,7 +230,6 @@ class TestAptSourceConfig(TestCase): "universe"), contents, flags=re.IGNORECASE)) - def test_apt_src_replace_tri(self): """ test_apt_src_replace_tri Test three autoreplacements of MIRROR and RELEASE in source specs with -- cgit v1.2.3 From 922562bccbc6b6c7f3309ecd36f1835b2ad817da Mon Sep 17 00:00:00 2001 From: Scott Moser Date: Wed, 15 Jun 2016 23:32:22 -0400 Subject: python3 OSError does not have a .message --- cloudinit/util.py | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'cloudinit/util.py') diff --git a/cloudinit/util.py b/cloudinit/util.py index 8873264d..e5dd61a0 100644 --- a/cloudinit/util.py +++ b/cloudinit/util.py @@ -2210,7 +2210,7 @@ def _call_dmidecode(key, dmidecode_path): return "" return result except (IOError, OSError) as _err: - LOG.debug('failed dmidecode cmd: %s\n%s', cmd, _err.message) + LOG.debug('failed dmidecode cmd: %s\n%s', cmd, _err) return None -- cgit v1.2.3