diff options
Diffstat (limited to 'cloudinit')
-rw-r--r-- | cloudinit/config/cc_debug.py | 4 | ||||
-rw-r--r-- | cloudinit/config/cc_growpart.py | 46 | ||||
-rw-r--r-- | cloudinit/config/cc_power_state_change.py | 29 | ||||
-rw-r--r-- | cloudinit/config/cc_resizefs.py | 40 | ||||
-rw-r--r-- | cloudinit/distros/__init__.py | 3 | ||||
-rw-r--r-- | cloudinit/distros/freebsd.py | 259 | ||||
-rw-r--r-- | cloudinit/distros/net_util.py | 163 | ||||
-rw-r--r-- | cloudinit/distros/rhel.py | 3 | ||||
-rw-r--r-- | cloudinit/distros/rhel_util.py | 88 | ||||
-rw-r--r-- | cloudinit/distros/sles.py | 3 | ||||
-rw-r--r-- | cloudinit/ec2_utils.py | 27 | ||||
-rw-r--r-- | cloudinit/netinfo.py | 44 | ||||
-rw-r--r-- | cloudinit/sources/DataSourceConfigDrive.py | 6 | ||||
-rw-r--r-- | cloudinit/sources/DataSourceNoCloud.py | 92 | ||||
-rw-r--r-- | cloudinit/sources/DataSourceSmartOS.py | 101 | ||||
-rw-r--r-- | cloudinit/sources/__init__.py | 2 | ||||
-rw-r--r-- | cloudinit/url_helper.py | 45 | ||||
-rw-r--r-- | cloudinit/user_data.py | 3 | ||||
-rw-r--r-- | cloudinit/util.py | 151 |
19 files changed, 897 insertions, 212 deletions
diff --git a/cloudinit/config/cc_debug.py b/cloudinit/config/cc_debug.py index cfd31fa1..7219b0f8 100644 --- a/cloudinit/config/cc_debug.py +++ b/cloudinit/config/cc_debug.py @@ -14,10 +14,10 @@ # You should have received a copy of the GNU General Public License # along with this program. If not, see <http://www.gnu.org/licenses/>. -from StringIO import StringIO -from cloudinit import util from cloudinit import type_utils +from cloudinit import util import copy +from StringIO import StringIO def _make_header(text): diff --git a/cloudinit/config/cc_growpart.py b/cloudinit/config/cc_growpart.py index 03b53a3c..4c5997fa 100644 --- a/cloudinit/config/cc_growpart.py +++ b/cloudinit/config/cc_growpart.py @@ -114,6 +114,41 @@ class ResizeGrowPart(object): return (before, get_size(partdev)) +class ResizeGpart(object): + def available(self): + if not util.which('gpart'): + return False + return True + + def resize(self, diskdev, partnum, partdev): + """ + GPT disks store metadata at the beginning (primary) and at the + end (secondary) of the disk. When launching an image with a + larger disk compared to the original image, the secondary copy + is lost. Thus, the metadata will be marked CORRUPT, and need to + be recovered. + """ + try: + util.subp(["gpart", "recover", diskdev]) + except util.ProcessExecutionError as e: + if e.exit_code != 0: + util.logexc(LOG, "Failed: gpart recover %s", diskdev) + raise ResizeFailedException(e) + + before = get_size(partdev) + try: + util.subp(["gpart", "resize", "-i", partnum, diskdev]) + except util.ProcessExecutionError as e: + util.logexc(LOG, "Failed: gpart resize -i %s %s", partnum, diskdev) + raise ResizeFailedException(e) + + # Since growing the FS requires a reboot, make sure we reboot + # first when this module has finished. + open('/var/run/reboot-required', 'a').close() + + return (before, get_size(partdev)) + + def get_size(filename): fd = os.open(filename, os.O_RDONLY) try: @@ -132,6 +167,12 @@ def device_part_info(devpath): bname = os.path.basename(rpath) syspath = "/sys/class/block/%s" % bname + # FreeBSD doesn't know of sysfs so just get everything we need from + # the device, like /dev/vtbd0p2. + if util.system_info()["platform"].startswith('FreeBSD'): + m = re.search('^(/dev/.+)p([0-9])$', devpath) + return (m.group(1), m.group(2)) + if not os.path.exists(syspath): raise ValueError("%s had no syspath (%s)" % (devpath, syspath)) @@ -182,7 +223,8 @@ def resize_devices(resizer, devices): "stat of '%s' failed: %s" % (blockdev, e),)) continue - if not stat.S_ISBLK(statret.st_mode): + if (not stat.S_ISBLK(statret.st_mode) and + not stat.S_ISCHR(statret.st_mode)): info.append((devent, RESIZE.SKIPPED, "device '%s' not a block device" % blockdev,)) continue @@ -256,4 +298,4 @@ def handle(_name, cfg, _cloud, log, _args): else: log.debug("'%s' %s: %s" % (entry, action, msg)) -RESIZERS = (('growpart', ResizeGrowPart),) +RESIZERS = (('growpart', ResizeGrowPart), ('gpart', ResizeGpart)) diff --git a/cloudinit/config/cc_power_state_change.py b/cloudinit/config/cc_power_state_change.py index e3150808..561c5abd 100644 --- a/cloudinit/config/cc_power_state_change.py +++ b/cloudinit/config/cc_power_state_change.py @@ -22,6 +22,7 @@ from cloudinit import util import errno import os import re +import signal import subprocess import time @@ -30,6 +31,24 @@ frequency = PER_INSTANCE EXIT_FAIL = 254 +def givecmdline(pid): + # Returns the cmdline for the given process id. In Linux we can use procfs + # for this but on BSD there is /usr/bin/procstat. + try: + # Example output from procstat -c 1 + # PID COMM ARGS + # 1 init /bin/init -- + if util.system_info()["platform"].startswith('FreeBSD'): + (output, _err) = util.subp(['procstat', '-c', str(pid)]) + line = output.splitlines()[1] + m = re.search('\d+ (\w|\.|-)+\s+(/\w.+)', line) + return m.group(2) + else: + return util.load_file("/proc/%s/cmdline" % pid) + except IOError: + return None + + def handle(_name, cfg, _cloud, log, _args): try: @@ -42,8 +61,8 @@ def handle(_name, cfg, _cloud, log, _args): return mypid = os.getpid() - cmdline = util.load_file("/proc/%s/cmdline" % mypid) + cmdline = givecmdline(mypid) if not cmdline: log.warn("power_state: failed to get cmdline of current process") return @@ -119,8 +138,6 @@ def run_after_pid_gone(pid, pidcmdline, timeout, log, func, args): msg = None end_time = time.time() + timeout - cmdline_f = "/proc/%s/cmdline" % pid - def fatal(msg): if log: log.warn(msg) @@ -134,16 +151,14 @@ def run_after_pid_gone(pid, pidcmdline, timeout, log, func, args): break try: - cmdline = "" - with open(cmdline_f) as fp: - cmdline = fp.read() + cmdline = givecmdline(pid) if cmdline != pidcmdline: msg = "cmdline changed for %s [now: %s]" % (pid, cmdline) break except IOError as ioerr: if ioerr.errno in known_errnos: - msg = "pidfile '%s' gone [%d]" % (cmdline_f, ioerr.errno) + msg = "pidfile gone [%d]" % ioerr.errno else: fatal("IOError during wait: %s" % ioerr) break diff --git a/cloudinit/config/cc_resizefs.py b/cloudinit/config/cc_resizefs.py index 43cc9307..9d767873 100644 --- a/cloudinit/config/cc_resizefs.py +++ b/cloudinit/config/cc_resizefs.py @@ -39,6 +39,10 @@ def _resize_ext(mount_point, devpth): # pylint: disable=W0613 def _resize_xfs(mount_point, devpth): # pylint: disable=W0613 return ('xfs_growfs', devpth) + +def _resize_ufs(mount_point, devpth): # pylint: disable=W0613 + return ('growfs', devpth) + # Do not use a dictionary as these commands should be able to be used # for multiple filesystem types if possible, e.g. one command for # ext2, ext3 and ext4. @@ -46,11 +50,31 @@ RESIZE_FS_PREFIXES_CMDS = [ ('btrfs', _resize_btrfs), ('ext', _resize_ext), ('xfs', _resize_xfs), + ('ufs', _resize_ufs), ] NOBLOCK = "noblock" +def rootdev_from_cmdline(cmdline): + found = None + for tok in cmdline.split(): + if tok.startswith("root="): + found = tok[5:] + break + if found is None: + return None + + if found.startswith("/dev/"): + return found + if found.startswith("LABEL="): + return "/dev/disk/by-label/" + found[len("LABEL="):] + if found.startswith("UUID="): + return "/dev/disk/by-uuid/" + found[len("UUID="):] + + return "/dev/" + found + + def handle(name, cfg, _cloud, log, args): if len(args) != 0: @@ -79,10 +103,20 @@ def handle(name, cfg, _cloud, log, args): info = "dev=%s mnt_point=%s path=%s" % (devpth, mount_point, resize_what) log.debug("resize_info: %s" % info) + container = util.is_container() + + if (devpth == "/dev/root" and not os.path.exists(devpth) and + not container): + devpth = rootdev_from_cmdline(util.get_cmdline()) + if devpth is None: + log.warn("Unable to find device '/dev/root'") + return + log.debug("Converted /dev/root to '%s' per kernel cmdline", devpth) + try: statret = os.stat(devpth) except OSError as exc: - if util.is_container() and exc.errno == errno.ENOENT: + if container and exc.errno == errno.ENOENT: log.debug("Device '%s' did not exist in container. " "cannot resize: %s" % (devpth, info)) elif exc.errno == errno.ENOENT: @@ -92,8 +126,8 @@ def handle(name, cfg, _cloud, log, args): raise exc return - if not stat.S_ISBLK(statret.st_mode): - if util.is_container(): + if not stat.S_ISBLK(statret.st_mode) and not stat.S_ISCHR(statret.st_mode): + if container: log.debug("device '%s' not a block device in container." " cannot resize: %s" % (devpth, info)) else: diff --git a/cloudinit/distros/__init__.py b/cloudinit/distros/__init__.py index e364080f..a912f373 100644 --- a/cloudinit/distros/__init__.py +++ b/cloudinit/distros/__init__.py @@ -39,8 +39,9 @@ from cloudinit.distros.parsers import hosts OSFAMILIES = { 'debian': ['debian', 'ubuntu'], 'redhat': ['fedora', 'rhel'], - 'suse': ['sles'], 'gentoo': ['gentoo'], + 'freebsd': ['freebsd'], + 'suse': ['sles'] } LOG = logging.getLogger(__name__) diff --git a/cloudinit/distros/freebsd.py b/cloudinit/distros/freebsd.py new file mode 100644 index 00000000..afb502c9 --- /dev/null +++ b/cloudinit/distros/freebsd.py @@ -0,0 +1,259 @@ +# vi: ts=4 expandtab +# +# Copyright (C) 2014 Harm Weites +# +# Author: Harm Weites <harm@weites.com> +# +# This program is free software: you can redistribute it and/or modify +# it under the terms of the GNU General Public License version 3, as +# published by the Free Software Foundation. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program. If not, see <http://www.gnu.org/licenses/>. + +from StringIO import StringIO + +import re + +from cloudinit import distros +from cloudinit import helpers +from cloudinit import log as logging +from cloudinit import ssh_util +from cloudinit import util + +LOG = logging.getLogger(__name__) + + +class Distro(distros.Distro): + rc_conf_fn = "/etc/rc.conf" + login_conf_fn = '/etc/login.conf' + login_conf_fn_bak = '/etc/login.conf.orig' + + def __init__(self, name, cfg, paths): + distros.Distro.__init__(self, name, cfg, paths) + # This will be used to restrict certain + # calls from repeatly happening (when they + # should only happen say once per instance...) + self._runner = helpers.Runners(paths) + self.osfamily = 'freebsd' + + # Updates a key in /etc/rc.conf. + def updatercconf(self, key, value): + LOG.debug("updatercconf: %s => %s", key, value) + conf = self.loadrcconf() + config_changed = False + for item in conf: + if item == key and conf[item] != value: + conf[item] = value + LOG.debug("[rc.conf]: Value %s for key %s needs to be changed", + value, key) + config_changed = True + + if config_changed: + LOG.debug("Writing new %s file", self.rc_conf_fn) + buf = StringIO() + for keyval in conf.items(): + buf.write("%s=%s\n" % keyval) + util.write_file(self.rc_conf_fn, buf.getvalue()) + + # Load the contents of /etc/rc.conf and store all keys in a dict. + def loadrcconf(self): + conf = {} + lines = util.load_file(self.rc_conf_fn).splitlines() + for line in lines: + tok = line.split('=') + conf[tok[0]] = tok[1].rstrip() + return conf + + def readrcconf(self, key): + conf = self.loadrcconf() + try: + val = conf[key] + except KeyError: + val = None + return val + + def _read_system_hostname(self): + sys_hostname = self._read_hostname() + return ('rc.conf', sys_hostname) + + def _read_hostname(self, filename, default=None): + hostname = None + try: + hostname = self.readrcconf('hostname') + except IOError: + pass + if not hostname: + return default + return hostname + + def _select_hostname(self, hostname, fqdn): + if not hostname: + return fqdn + return hostname + + def _write_hostname(self, hostname, filename): + self.updatercconf('hostname', hostname) + + def create_group(self, name, members): + group_add_cmd = ['pw', '-n', name] + if util.is_group(name): + LOG.warn("Skipping creation of existing group '%s'", name) + else: + try: + util.subp(group_add_cmd) + LOG.info("Created new group %s", name) + except Exception as e: + util.logexc(LOG, "Failed to create group %s", name) + raise e + + if len(members) > 0: + for member in members: + if not util.is_user(member): + LOG.warn("Unable to add group member '%s' to group '%s'" + "; user does not exist.", member, name) + continue + try: + util.subp(['pw', 'usermod', '-n', name, '-G', member]) + LOG.info("Added user '%s' to group '%s'", member, name) + except Exception: + util.logexc(LOG, "Failed to add user '%s' to group '%s'", + member, name) + + def add_user(self, name, **kwargs): + if util.is_user(name): + LOG.info("User %s already exists, skipping.", name) + return False + + adduser_cmd = ['pw', 'useradd', '-n', name] + log_adduser_cmd = ['pw', 'useradd', '-n', name] + + adduser_opts = { + "homedir": '-d', + "gecos": '-c', + "primary_group": '-g', + "groups": '-G', + "passwd": '-h', + "shell": '-s', + "inactive": '-E', + } + adduser_flags = { + "no_user_group": '--no-user-group', + "system": '--system', + "no_log_init": '--no-log-init', + } + + redact_opts = ['passwd'] + + for key, val in kwargs.iteritems(): + if key in adduser_opts and val and isinstance(val, basestring): + adduser_cmd.extend([adduser_opts[key], val]) + + # Redact certain fields from the logs + if key in redact_opts: + log_adduser_cmd.extend([adduser_opts[key], 'REDACTED']) + else: + log_adduser_cmd.extend([adduser_opts[key], val]) + + elif key in adduser_flags and val: + adduser_cmd.append(adduser_flags[key]) + log_adduser_cmd.append(adduser_flags[key]) + + if 'no_create_home' in kwargs or 'system' in kwargs: + adduser_cmd.append('-d/nonexistent') + log_adduser_cmd.append('-d/nonexistent') + else: + adduser_cmd.append('-d/usr/home/%s' % name) + adduser_cmd.append('-m') + log_adduser_cmd.append('-d/usr/home/%s' % name) + log_adduser_cmd.append('-m') + + # Run the command + LOG.info("Adding user %s", name) + try: + util.subp(adduser_cmd, logstring=log_adduser_cmd) + except Exception as e: + util.logexc(LOG, "Failed to create user %s", name) + raise e + + # TODO: + def set_passwd(self, user, passwd, hashed=False): + return False + + def lock_passwd(self, name): + try: + util.subp(['pw', 'usermod', name, '-h', '-']) + except Exception as e: + util.logexc(LOG, "Failed to lock user %s", name) + raise e + + # TODO: + def write_sudo_rules(self, name, rules, sudo_file=None): + LOG.debug("[write_sudo_rules] Name: %s", name) + + def create_user(self, name, **kwargs): + self.add_user(name, **kwargs) + + # Set password if plain-text password provided and non-empty + if 'plain_text_passwd' in kwargs and kwargs['plain_text_passwd']: + self.set_passwd(name, kwargs['plain_text_passwd']) + + # Default locking down the account. 'lock_passwd' defaults to True. + # lock account unless lock_password is False. + if kwargs.get('lock_passwd', True): + self.lock_passwd(name) + + # Configure sudo access + if 'sudo' in kwargs: + self.write_sudo_rules(name, kwargs['sudo']) + + # Import SSH keys + if 'ssh_authorized_keys' in kwargs: + keys = set(kwargs['ssh_authorized_keys']) or [] + ssh_util.setup_user_keys(keys, name, options=None) + + def _write_network(self, settings): + return + + def apply_locale(self, locale, out_fn=None): + # Adjust the locals value to the new value + newconf = StringIO() + for line in util.load_file(self.login_conf_fn).splitlines(): + newconf.write(re.sub(r'^default:', + r'default:lang=%s:' % locale, line)) + newconf.write("\n") + + # Make a backup of login.conf. + util.copy(self.login_conf_fn, self.login_conf_fn_bak) + + # And write the new login.conf. + util.write_file(self.login_conf_fn, newconf.getvalue()) + + try: + LOG.debug("Running cap_mkdb for %s", locale) + util.subp(['cap_mkdb', self.login_conf_fn]) + except util.ProcessExecutionError: + # cap_mkdb failed, so restore the backup. + util.logexc(LOG, "Failed to apply locale %s", locale) + try: + util.copy(self.login_conf_fn_bak, self.login_conf_fn) + except IOError: + util.logexc(LOG, "Failed to restore %s backup", + self.login_conf_fn) + + def install_packages(self, pkglist): + return + + def package_command(self, cmd, args=None, pkgs=None): + return + + def set_timezone(self, tz): + return + + def update_package_sources(self): + return diff --git a/cloudinit/distros/net_util.py b/cloudinit/distros/net_util.py new file mode 100644 index 00000000..b9bcfd8b --- /dev/null +++ b/cloudinit/distros/net_util.py @@ -0,0 +1,163 @@ +# vi: ts=4 expandtab +# +# Copyright (C) 2012 Canonical Ltd. +# Copyright (C) 2012, 2013 Hewlett-Packard Development Company, L.P. +# Copyright (C) 2012 Yahoo! Inc. +# +# Author: Scott Moser <scott.moser@canonical.com> +# Author: Juerg Haefliger <juerg.haefliger@hp.com> +# Author: Joshua Harlow <harlowja@yahoo-inc.com> +# +# This program is free software: you can redistribute it and/or modify +# it under the terms of the GNU General Public License version 3, as +# published by the Free Software Foundation. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program. If not, see <http://www.gnu.org/licenses/>. + + +# This is a util function to translate debian based distro interface blobs as +# given in /etc/network/interfaces to an *somewhat* agnostic format for +# distributions that use other formats. +# +# TODO(harlowja) remove when we have python-netcf active... +# +# The format is the following: +# { +# <device-name>: { +# # All optional (if not existent in original format) +# "netmask": <ip>, +# "broadcast": <ip>, +# "gateway": <ip>, +# "address": <ip>, +# "bootproto": "static"|"dhcp", +# "dns-search": <hostname>, +# "hwaddress": <mac-address>, +# "auto": True (or non-existent), +# "dns-nameservers": [<ip/hostname>, ...], +# } +# } +# +# Things to note, comments are removed, if a ubuntu/debian interface is +# marked as auto then only then first segment (?) is retained, ie +# 'auto eth0 eth0:1' just marks eth0 as auto (not eth0:1). +# +# Example input: +# +# auto lo +# iface lo inet loopback +# +# auto eth0 +# iface eth0 inet static +# address 10.0.0.1 +# netmask 255.255.252.0 +# broadcast 10.0.0.255 +# gateway 10.0.0.2 +# dns-nameservers 98.0.0.1 98.0.0.2 +# +# Example output: +# { +# "lo": { +# "auto": true +# }, +# "eth0": { +# "auto": true, +# "dns-nameservers": [ +# "98.0.0.1", +# "98.0.0.2" +# ], +# "broadcast": "10.0.0.255", +# "netmask": "255.255.252.0", +# "bootproto": "static", +# "address": "10.0.0.1", +# "gateway": "10.0.0.2" +# } +# } + +def translate_network(settings): + # Get the standard cmd, args from the ubuntu format + entries = [] + for line in settings.splitlines(): + line = line.strip() + if not line or line.startswith("#"): + continue + split_up = line.split(None, 1) + if len(split_up) <= 1: + continue + entries.append(split_up) + # Figure out where each iface section is + ifaces = [] + consume = {} + for (cmd, args) in entries: + if cmd == 'iface': + if consume: + ifaces.append(consume) + consume = {} + consume[cmd] = args + else: + consume[cmd] = args + # Check if anything left over to consume + absorb = False + for (cmd, args) in consume.iteritems(): + if cmd == 'iface': + absorb = True + if absorb: + ifaces.append(consume) + # Now translate + real_ifaces = {} + for info in ifaces: + if 'iface' not in info: + continue + iface_details = info['iface'].split(None) + dev_name = None + if len(iface_details) >= 1: + dev = iface_details[0].strip().lower() + if dev: + dev_name = dev + if not dev_name: + continue + iface_info = {} + if len(iface_details) >= 3: + proto_type = iface_details[2].strip().lower() + # Seems like this can be 'loopback' which we don't + # really care about + if proto_type in ['dhcp', 'static']: + iface_info['bootproto'] = proto_type + # These can just be copied over + for k in ['netmask', 'address', 'gateway', 'broadcast']: + if k in info: + val = info[k].strip().lower() + if val: + iface_info[k] = val + # Name server info provided?? + if 'dns-nameservers' in info: + iface_info['dns-nameservers'] = info['dns-nameservers'].split() + # Name server search info provided?? + if 'dns-search' in info: + iface_info['dns-search'] = info['dns-search'].split() + # Is any mac address spoofing going on?? + if 'hwaddress' in info: + hw_info = info['hwaddress'].lower().strip() + hw_split = hw_info.split(None, 1) + if len(hw_split) == 2 and hw_split[0].startswith('ether'): + hw_addr = hw_split[1] + if hw_addr: + iface_info['hwaddress'] = hw_addr + real_ifaces[dev_name] = iface_info + # Check for those that should be started on boot via 'auto' + for (cmd, args) in entries: + if cmd == 'auto': + # Seems like auto can be like 'auto eth0 eth0:1' so just get the + # first part out as the device name + args = args.split(None) + if not args: + continue + dev_name = args[0].strip().lower() + if dev_name in real_ifaces: + real_ifaces[dev_name]['auto'] = True + return real_ifaces diff --git a/cloudinit/distros/rhel.py b/cloudinit/distros/rhel.py index 30195384..e8abf111 100644 --- a/cloudinit/distros/rhel.py +++ b/cloudinit/distros/rhel.py @@ -25,6 +25,7 @@ from cloudinit import helpers from cloudinit import log as logging from cloudinit import util +from cloudinit.distros import net_util from cloudinit.distros import rhel_util from cloudinit.settings import PER_INSTANCE @@ -63,7 +64,7 @@ class Distro(distros.Distro): def _write_network(self, settings): # TODO(harlowja) fix this... since this is the ubuntu format - entries = rhel_util.translate_network(settings) + entries = net_util.translate_network(settings) LOG.debug("Translated ubuntu style network settings %s into %s", settings, entries) # Make the intermediate format as the rhel format... diff --git a/cloudinit/distros/rhel_util.py b/cloudinit/distros/rhel_util.py index 1aba58b8..063d536e 100644 --- a/cloudinit/distros/rhel_util.py +++ b/cloudinit/distros/rhel_util.py @@ -30,94 +30,6 @@ from cloudinit import util LOG = logging.getLogger(__name__) -# This is a util function to translate Debian based distro interface blobs as -# given in /etc/network/interfaces to an equivalent format for distributions -# that use ifcfg-* style (Red Hat and SUSE). -# TODO(harlowja) remove when we have python-netcf active... -def translate_network(settings): - # Get the standard cmd, args from the ubuntu format - entries = [] - for line in settings.splitlines(): - line = line.strip() - if not line or line.startswith("#"): - continue - split_up = line.split(None, 1) - if len(split_up) <= 1: - continue - entries.append(split_up) - # Figure out where each iface section is - ifaces = [] - consume = {} - for (cmd, args) in entries: - if cmd == 'iface': - if consume: - ifaces.append(consume) - consume = {} - consume[cmd] = args - else: - consume[cmd] = args - # Check if anything left over to consume - absorb = False - for (cmd, args) in consume.iteritems(): - if cmd == 'iface': - absorb = True - if absorb: - ifaces.append(consume) - # Now translate - real_ifaces = {} - for info in ifaces: - if 'iface' not in info: - continue - iface_details = info['iface'].split(None) - dev_name = None - if len(iface_details) >= 1: - dev = iface_details[0].strip().lower() - if dev: - dev_name = dev - if not dev_name: - continue - iface_info = {} - if len(iface_details) >= 3: - proto_type = iface_details[2].strip().lower() - # Seems like this can be 'loopback' which we don't - # really care about - if proto_type in ['dhcp', 'static']: - iface_info['bootproto'] = proto_type - # These can just be copied over - for k in ['netmask', 'address', 'gateway', 'broadcast']: - if k in info: - val = info[k].strip().lower() - if val: - iface_info[k] = val - # Name server info provided?? - if 'dns-nameservers' in info: - iface_info['dns-nameservers'] = info['dns-nameservers'].split() - # Name server search info provided?? - if 'dns-search' in info: - iface_info['dns-search'] = info['dns-search'].split() - # Is any mac address spoofing going on?? - if 'hwaddress' in info: - hw_info = info['hwaddress'].lower().strip() - hw_split = hw_info.split(None, 1) - if len(hw_split) == 2 and hw_split[0].startswith('ether'): - hw_addr = hw_split[1] - if hw_addr: - iface_info['hwaddress'] = hw_addr - real_ifaces[dev_name] = iface_info - # Check for those that should be started on boot via 'auto' - for (cmd, args) in entries: - if cmd == 'auto': - # Seems like auto can be like 'auto eth0 eth0:1' so just get the - # first part out as the device name - args = args.split(None) - if not args: - continue - dev_name = args[0].strip().lower() - if dev_name in real_ifaces: - real_ifaces[dev_name]['auto'] = True - return real_ifaces - - # Helper function to update a RHEL/SUSE /etc/sysconfig/* file def update_sysconfig_file(fn, adjustments, allow_empty=False): if not adjustments: diff --git a/cloudinit/distros/sles.py b/cloudinit/distros/sles.py index f2ac4efc..9788a1ba 100644 --- a/cloudinit/distros/sles.py +++ b/cloudinit/distros/sles.py @@ -26,6 +26,7 @@ from cloudinit import helpers from cloudinit import log as logging from cloudinit import util +from cloudinit.distros import net_util from cloudinit.distros import rhel_util from cloudinit.settings import PER_INSTANCE @@ -54,7 +55,7 @@ class Distro(distros.Distro): def _write_network(self, settings): # Convert debian settings to ifcfg format - entries = rhel_util.translate_network(settings) + entries = net_util.translate_network(settings) LOG.debug("Translated ubuntu style network settings %s into %s", settings, entries) # Make the intermediate format as the suse format... diff --git a/cloudinit/ec2_utils.py b/cloudinit/ec2_utils.py index 92a22747..7f4c0443 100644 --- a/cloudinit/ec2_utils.py +++ b/cloudinit/ec2_utils.py @@ -16,6 +16,7 @@ # You should have received a copy of the GNU General Public License # along with this program. If not, see <http://www.gnu.org/licenses/>. +import httplib from urlparse import (urlparse, urlunparse) import functools @@ -23,9 +24,11 @@ import json import urllib from cloudinit import log as logging +from cloudinit import url_helper from cloudinit import util LOG = logging.getLogger(__name__) +SKIP_USERDATA_CODES = frozenset([httplib.NOT_FOUND]) def maybe_json_object(text): @@ -138,20 +141,38 @@ class MetadataMaterializer(object): return joined +def _skip_retry_on_codes(status_codes, _request_args, cause): + """Returns if a request should retry based on a given set of codes that + case retrying to be stopped/skipped. + """ + if cause.code in status_codes: + return False + return True + + def get_instance_userdata(api_version='latest', metadata_address='http://169.254.169.254', ssl_details=None, timeout=5, retries=5): ud_url = combine_url(metadata_address, api_version) ud_url = combine_url(ud_url, 'user-data') + user_data = '' try: + # It is ok for userdata to not exist (thats why we are stopping if + # NOT_FOUND occurs) and just in that case returning an empty string. + exception_cb = functools.partial(_skip_retry_on_codes, + SKIP_USERDATA_CODES) response = util.read_file_or_url(ud_url, ssl_details=ssl_details, timeout=timeout, - retries=retries) - return str(response) + retries=retries, + exception_cb=exception_cb) + user_data = str(response) + except url_helper.UrlError as e: + if e.code not in SKIP_USERDATA_CODES: + util.logexc(LOG, "Failed fetching userdata from url %s", ud_url) except Exception: util.logexc(LOG, "Failed fetching userdata from url %s", ud_url) - return '' + return user_data def get_instance_metadata(api_version='latest', diff --git a/cloudinit/netinfo.py b/cloudinit/netinfo.py index feba5a62..ac3c011f 100644 --- a/cloudinit/netinfo.py +++ b/cloudinit/netinfo.py @@ -21,6 +21,7 @@ # along with this program. If not, see <http://www.gnu.org/licenses/>. import cloudinit.util as util +import re from prettytable import PrettyTable @@ -40,27 +41,40 @@ def netdev_info(empty=""): toks = line.lower().strip().split() if toks[0] == "up": devs[curdev]['up'] = True + # If the output of ifconfig doesn't contain the required info in the + # obvious place, use a regex filter to be sure. + elif len(toks) > 1: + if re.search(r"flags=\d+<up,", toks[1]): + devs[curdev]['up'] = True fieldpost = "" if toks[0] == "inet6": fieldpost = "6" for i in range(len(toks)): - if toks[i] == "hwaddr": + if toks[i] == "hwaddr" or toks[i] == "ether": try: devs[curdev]["hwaddr"] = toks[i + 1] except IndexError: pass - for field in ("addr", "bcast", "mask"): + + # Couple the different items we're interested in with the correct + # field since FreeBSD/CentOS/Fedora differ in the output. + ifconfigfields = { + "addr:": "addr", "inet": "addr", + "bcast:": "bcast", "broadcast": "bcast", + "mask:": "mask", "netmask": "mask" + } + for origfield, field in ifconfigfields.items(): target = "%s%s" % (field, fieldpost) if devs[curdev].get(target, ""): continue - if toks[i] == "%s:" % field: + if toks[i] == "%s" % origfield: try: devs[curdev][target] = toks[i + 1] except IndexError: pass - elif toks[i].startswith("%s:" % field): + elif toks[i].startswith("%s" % origfield): devs[curdev][target] = toks[i][len(field) + 1:] if empty != "": @@ -73,15 +87,32 @@ def netdev_info(empty=""): def route_info(): - (route_out, _err) = util.subp(["route", "-n"]) + (route_out, _err) = util.subp(["netstat", "-rn"]) routes = [] entries = route_out.splitlines()[1:] for line in entries: if not line: continue toks = line.split() - if len(toks) < 8 or toks[0] == "Kernel" or toks[0] == "Destination": + + # FreeBSD shows 6 items in the routing table: + # Destination Gateway Flags Refs Use Netif Expire + # default 10.65.0.1 UGS 0 34920 vtnet0 + # + # Linux netstat shows 2 more: + # Destination Gateway Genmask Flags MSS Window irtt Iface + # 0.0.0.0 10.65.0.1 0.0.0.0 UG 0 0 0 eth0 + if (len(toks) < 6 or toks[0] == "Kernel" or + toks[0] == "Destination" or toks[0] == "Internet" or + toks[0] == "Internet6" or toks[0] == "Routing"): continue + + if len(toks) < 8: + toks.append("-") + toks.append("-") + toks[7] = toks[5] + toks[5] = "-" + entry = { 'destination': toks[0], 'gateway': toks[1], @@ -92,6 +123,7 @@ def route_info(): 'use': toks[6], 'iface': toks[7], } + routes.append(entry) return routes diff --git a/cloudinit/sources/DataSourceConfigDrive.py b/cloudinit/sources/DataSourceConfigDrive.py index 4f437244..2a244496 100644 --- a/cloudinit/sources/DataSourceConfigDrive.py +++ b/cloudinit/sources/DataSourceConfigDrive.py @@ -284,8 +284,10 @@ def find_candidate_devs(): # followed by fstype items, but with dupes removed combined = (by_label + [d for d in by_fstype if d not in by_label]) - # We are looking for block device (sda, not sda1), ignore partitions - combined = [d for d in combined if not util.is_partition(d)] + # We are looking for a block device or partition with necessary label or + # an unpartitioned block device. + combined = [d for d in combined + if d in by_label or not util.is_partition(d)] return combined diff --git a/cloudinit/sources/DataSourceNoCloud.py b/cloudinit/sources/DataSourceNoCloud.py index 4ef92a56..cbaac29f 100644 --- a/cloudinit/sources/DataSourceNoCloud.py +++ b/cloudinit/sources/DataSourceNoCloud.py @@ -50,40 +50,47 @@ class DataSourceNoCloud(sources.DataSource): } found = [] - md = {} - ud = "" + mydata = {'meta-data': {}, 'user-data': "", 'vendor-data': ""} try: # Parse the kernel command line, getting data passed in + md = {} if parse_cmdline_data(self.cmdline_id, md): found.append("cmdline") + mydata.update(md) except: util.logexc(LOG, "Unable to parse command line data") return False # Check to see if the seed dir has data. - seedret = {} - if util.read_optional_seed(seedret, base=self.seed_dir + "/"): - md = util.mergemanydict([md, seedret['meta-data']]) - ud = seedret['user-data'] + pp2d_kwargs = {'required': ['user-data', 'meta-data'], + 'optional': ['vendor-data']} + + try: + seeded = util.pathprefix2dict(self.seed_dir, **pp2d_kwargs) found.append(self.seed_dir) - LOG.debug("Using seeded cache data from %s", self.seed_dir) + LOG.debug("Using seeded data from %s", self.seed_dir) + except ValueError as e: + pass + + if self.seed_dir in found: + mydata = _merge_new_seed(mydata, seeded) # If the datasource config had a 'seedfrom' entry, then that takes # precedence over a 'seedfrom' that was found in a filesystem # but not over external media - if 'seedfrom' in self.ds_cfg and self.ds_cfg['seedfrom']: - found.append("ds_config") - md["seedfrom"] = self.ds_cfg['seedfrom'] + if self.ds_cfg.get('seedfrom'): + found.append("ds_config_seedfrom") + mydata['meta-data']["seedfrom"] = self.ds_cfg['seedfrom'] - # if ds_cfg has 'user-data' and 'meta-data' + # fields appropriately named can also just come from the datasource + # config (ie, 'user-data', 'meta-data', 'vendor-data' there) if 'user-data' in self.ds_cfg and 'meta-data' in self.ds_cfg: - if self.ds_cfg['user-data']: - ud = self.ds_cfg['user-data'] - if self.ds_cfg['meta-data'] is not False: - md = util.mergemanydict([md, self.ds_cfg['meta-data']]) - if 'ds_config' not in found: - found.append("ds_config") + mydata = _merge_new_seed(mydata, self.ds_cfg) + found.append("ds_config") + + def _pp2d_callback(mp, data): + util.pathprefix2dict(mp, **data) label = self.ds_cfg.get('fs_label', "cidata") if label is not None: @@ -102,15 +109,21 @@ class DataSourceNoCloud(sources.DataSource): try: LOG.debug("Attempting to use data from %s", dev) - (newmd, newud) = util.mount_cb(dev, util.read_seeded) - md = util.mergemanydict([newmd, md]) - ud = newud + try: + seeded = util.mount_cb(dev, _pp2d_callback) + except ValueError as e: + if dev in label_list: + LOG.warn("device %s with label=%s not a" + "valid seed.", dev, label) + continue + + mydata = _merge_new_seed(mydata, seeded) # For seed from a device, the default mode is 'net'. # that is more likely to be what is desired. If they want # dsmode of local, then they must specify that. - if 'dsmode' not in md: - md['dsmode'] = "net" + if 'dsmode' not in mydata['meta-data']: + mydata['meta-data'] = "net" LOG.debug("Using data from %s", dev) found.append(dev) @@ -133,8 +146,8 @@ class DataSourceNoCloud(sources.DataSource): # attempt to seed the userdata / metadata from its value # its primarily value is in allowing the user to type less # on the command line, ie: ds=nocloud;s=http://bit.ly/abcdefg - if "seedfrom" in md: - seedfrom = md["seedfrom"] + if "seedfrom" in mydata['meta-data']: + seedfrom = mydata['meta-data']["seedfrom"] seedfound = False for proto in self.supported_seed_starts: if seedfrom.startswith(proto): @@ -144,7 +157,7 @@ class DataSourceNoCloud(sources.DataSource): LOG.debug("Seed from %s not supported by %s", seedfrom, self) return False - if 'network-interfaces' in md: + if 'network-interfaces' in mydata['meta-data']: seeded_interfaces = self.dsmode # This could throw errors, but the user told us to do it @@ -153,25 +166,30 @@ class DataSourceNoCloud(sources.DataSource): LOG.debug("Using seeded cache data from %s", seedfrom) # Values in the command line override those from the seed - md = util.mergemanydict([md, md_seed]) + mydata['meta-data'] = util.mergemanydict([mydata['meta-data'], + md_seed]) + mydata['user-data'] = ud found.append(seedfrom) # Now that we have exhausted any other places merge in the defaults - md = util.mergemanydict([md, defaults]) + mydata['meta-data'] = util.mergemanydict([mydata['meta-data'], + defaults]) # Update the network-interfaces if metadata had 'network-interfaces' # entry and this is the local datasource, or 'seedfrom' was used # and the source of the seed was self.dsmode # ('local' for NoCloud, 'net' for NoCloudNet') - if ('network-interfaces' in md and + if ('network-interfaces' in mydata['meta-data'] and (self.dsmode in ("local", seeded_interfaces))): LOG.debug("Updating network interfaces from %s", self) - self.distro.apply_network(md['network-interfaces']) + self.distro.apply_network( + mydata['meta-data']['network-interfaces']) - if md['dsmode'] == self.dsmode: + if mydata['meta-data']['dsmode'] == self.dsmode: self.seed = ",".join(found) - self.metadata = md - self.userdata_raw = ud + self.metadata = mydata['meta-data'] + self.userdata_raw = mydata['user-data'] + self.vendordata = mydata['vendor-data'] return True LOG.debug("%s: not claiming datasource, dsmode=%s", self, md['dsmode']) @@ -222,6 +240,16 @@ def parse_cmdline_data(ds_id, fill, cmdline=None): return True +def _merge_new_seed(cur, seeded): + ret = cur.copy() + ret['meta-data'] = util.mergemanydict([cur['meta-data'], + util.load_yaml(seeded['meta-data'])]) + ret['user-data'] = seeded['user-data'] + if 'vendor-data' in seeded: + ret['vendor-data'] = seeded['vendor-data'] + return ret + + class DataSourceNoCloudNet(DataSourceNoCloud): def __init__(self, sys_cfg, distro, paths): DataSourceNoCloud.__init__(self, sys_cfg, distro, paths) diff --git a/cloudinit/sources/DataSourceSmartOS.py b/cloudinit/sources/DataSourceSmartOS.py index 6593ce6e..140c7814 100644 --- a/cloudinit/sources/DataSourceSmartOS.py +++ b/cloudinit/sources/DataSourceSmartOS.py @@ -25,7 +25,9 @@ # requests on the console. For example, to get the hostname, you # would send "GET hostname" on /dev/ttyS1. # - +# Certain behavior is defined by the DataDictionary +# http://us-east.manta.joyent.com/jmc/public/mdata/datadict.html +# Comments with "@datadictionary" are snippets of the definition import base64 from cloudinit import log as logging @@ -43,10 +45,11 @@ SMARTOS_ATTRIB_MAP = { 'local-hostname': ('hostname', True), 'public-keys': ('root_authorized_keys', True), 'user-script': ('user-script', False), - 'user-data': ('user-data', False), + 'legacy-user-data': ('user-data', False), + 'user-data': ('cloud-init:user-data', False), 'iptables_disable': ('iptables_disable', True), 'motd_sys_info': ('motd_sys_info', True), - 'availability_zone': ('datacenter_name', True), + 'availability_zone': ('sdc:datacenter_name', True), 'vendordata': ('sdc:operator-script', False), } @@ -71,7 +74,11 @@ BUILTIN_DS_CONFIG = { 'seed_timeout': 60, 'no_base64_decode': ['root_authorized_keys', 'motd_sys_info', - 'iptables_disable'], + 'iptables_disable', + 'user-data', + 'user-script', + 'sdc:datacenter_name', + ], 'base64_keys': [], 'base64_all': False, 'disk_aliases': {'ephemeral0': '/dev/vdb'}, @@ -88,6 +95,11 @@ BUILTIN_CLOUD_CONFIG = { 'device': 'ephemeral0'}], } +# @datadictionary: this is legacy path for placing files from metadata +# per the SmartOS location. It is not preferable, but is done for +# legacy reasons +LEGACY_USER_D = "/var/db" + class DataSourceSmartOS(sources.DataSource): def __init__(self, sys_cfg, distro, paths): @@ -107,6 +119,9 @@ class DataSourceSmartOS(sources.DataSource): self.smartos_no_base64 = self.ds_cfg.get('no_base64_decode') self.b64_keys = self.ds_cfg.get('base64_keys') self.b64_all = self.ds_cfg.get('base64_all') + self.script_base_d = os.path.join(self.paths.get_cpath("scripts")) + self.user_script_d = os.path.join(self.paths.get_cpath("scripts"), + 'per-boot') def __str__(self): root = sources.DataSource.__str__(self) @@ -144,14 +159,32 @@ class DataSourceSmartOS(sources.DataSource): smartos_noun, strip = attribute md[ci_noun] = self.query(smartos_noun, strip=strip) + # @datadictionary: This key may contain a program that is written + # to a file in the filesystem of the guest on each boot and then + # executed. It may be of any format that would be considered + # executable in the guest instance. + u_script = md.get('user-script') + u_script_f = "%s/99_user_script" % self.user_script_d + u_script_l = "%s/user-script" % LEGACY_USER_D + write_boot_content(u_script, u_script_f, link=u_script_l, shebang=True, + mode=0700) + + # @datadictionary: This key has no defined format, but its value + # is written to the file /var/db/mdata-user-data on each boot prior + # to the phase that runs user-script. This file is not to be executed. + # This allows a configuration file of some kind to be injected into + # the machine to be consumed by the user-script when it runs. + u_data = md.get('legacy-user-data') + u_data_f = "%s/mdata-user-data" % LEGACY_USER_D + write_boot_content(u_data, u_data_f) + + # Handle the cloud-init regular meta if not md['local-hostname']: md['local-hostname'] = system_uuid ud = None if md['user-data']: ud = md['user-data'] - elif md['user-script']: - ud = md['user-script'] self.metadata = util.mergemanydict([md, self.metadata]) self.userdata_raw = ud @@ -279,6 +312,62 @@ def dmi_data(): return (sys_uuid.lower().strip(), sys_type.strip()) +def write_boot_content(content, content_f, link=None, shebang=False, + mode=0400): + """ + Write the content to content_f. Under the following rules: + 1. If no content, remove the file + 2. Write the content + 3. If executable and no file magic, add it + 4. If there is a link, create it + + @param content: what to write + @param content_f: the file name + @param backup_d: the directory to save the backup at + @param link: if defined, location to create a symlink to + @param shebang: if no file magic, set shebang + @param mode: file mode + + Becuase of the way that Cloud-init executes scripts (no shell), + a script will fail to execute if does not have a magic bit (shebang) set + for the file. If shebang=True, then the script will be checked for a magic + bit and to the SmartOS default of assuming that bash. + """ + + if not content and os.path.exists(content_f): + os.unlink(content_f) + if link and os.path.islink(link): + os.unlink(link) + if not content: + return + + util.write_file(content_f, content, mode=mode) + + if shebang and not content.startswith("#!"): + try: + cmd = ["file", "--brief", "--mime-type", content_f] + (f_type, _err) = util.subp(cmd) + LOG.debug("script %s mime type is %s", content_f, f_type) + if f_type.strip() == "text/plain": + new_content = "\n".join(["#!/bin/bash", content]) + util.write_file(content_f, new_content, mode=mode) + LOG.debug("added shebang to file %s", content_f) + + except Exception as e: + util.logexc(LOG, ("Failed to identify script type for %s" % + content_f, e)) + + if link: + try: + if os.path.islink(link): + os.unlink(link) + if content and os.path.exists(content_f): + util.ensure_dir(os.path.dirname(link)) + os.symlink(content_f, link) + except IOError as e: + util.logexc(LOG, "failed establishing content link", e) + + # Used to match classes to dependencies datasources = [ (DataSourceSmartOS, (sources.DEP_FILESYSTEM, sources.DEP_NETWORK)), diff --git a/cloudinit/sources/__init__.py b/cloudinit/sources/__init__.py index 4b3bf62f..fef4d460 100644 --- a/cloudinit/sources/__init__.py +++ b/cloudinit/sources/__init__.py @@ -129,7 +129,7 @@ class DataSource(object): # when the kernel named them 'vda' or 'xvda' # we want to return the correct value for what will actually # exist in this instance - mappings = {"sd": ("vd", "xvd")} + mappings = {"sd": ("vd", "xvd", "vtb")} for (nfrom, tlist) in mappings.iteritems(): if not short_name.startswith(nfrom): continue diff --git a/cloudinit/url_helper.py b/cloudinit/url_helper.py index 19a30409..97ed75ad 100644 --- a/cloudinit/url_helper.py +++ b/cloudinit/url_helper.py @@ -20,6 +20,7 @@ # You should have received a copy of the GNU General Public License # along with this program. If not, see <http://www.gnu.org/licenses/>. +import httplib import time import requests @@ -32,6 +33,8 @@ from cloudinit import version LOG = logging.getLogger(__name__) +NOT_FOUND = httplib.NOT_FOUND + # Check if requests has ssl support (added in requests >= 0.8.8) SSL_ENABLED = False CONFIG_ENABLED = False # This was added in 0.7 (but taken out in >=1.0) @@ -58,6 +61,31 @@ def _cleanurl(url): return urlunparse(parsed_url) +# Made to have same accessors as UrlResponse so that the +# read_file_or_url can return this or that object and the +# 'user' of those objects will not need to know the difference. +class StringResponse(object): + def __init__(self, contents, code=200): + self.code = code + self.headers = {} + self.contents = contents + self.url = None + + def ok(self, *args, **kwargs): # pylint: disable=W0613 + if self.code != 200: + return False + return True + + def __str__(self): + return self.contents + + +class FileResponse(StringResponse): + def __init__(self, path, contents, code=200): + StringResponse.__init__(self, contents, code=code) + self.url = path + + class UrlResponse(object): def __init__(self, response): self._response = response @@ -103,7 +131,7 @@ class UrlError(IOError): def readurl(url, data=None, timeout=None, retries=0, sec_between=1, headers=None, headers_cb=None, ssl_details=None, - check_status=True, allow_redirects=True): + check_status=True, allow_redirects=True, exception_cb=None): url = _cleanurl(url) req_args = { 'url': url, @@ -163,14 +191,13 @@ def readurl(url, data=None, timeout=None, retries=0, sec_between=1, # Handle retrying ourselves since the built-in support # doesn't handle sleeping between tries... for i in range(0, manual_tries): + req_args['headers'] = headers_cb(url) + filtered_req_args = {} + for (k, v) in req_args.items(): + if k == 'data': + continue + filtered_req_args[k] = v try: - req_args['headers'] = headers_cb(url) - filtered_req_args = {} - for (k, v) in req_args.items(): - if k == 'data': - continue - filtered_req_args[k] = v - LOG.debug("[%s/%s] open '%s' with %s configuration", i, manual_tries, url, filtered_req_args) @@ -196,6 +223,8 @@ def readurl(url, data=None, timeout=None, retries=0, sec_between=1, # ssl exceptions are not going to get fixed by waiting a # few seconds break + if exception_cb and not exception_cb(filtered_req_args, excps[-1]): + break if i + 1 < manual_tries and sec_between > 0: LOG.debug("Please wait %s seconds while we wait to try again", sec_between) diff --git a/cloudinit/user_data.py b/cloudinit/user_data.py index 3032ef70..de6487d8 100644 --- a/cloudinit/user_data.py +++ b/cloudinit/user_data.py @@ -311,7 +311,8 @@ class UserDataProcessor(object): def _attach_part(self, outer_msg, part): """ Attach a message to an outer message. outermsg must be a MIMEMultipart. - Modifies a header in the outer message to keep track of number of attachments. + Modifies a header in the outer message to keep track of number of + attachments. """ part_count = self._multi_part_count(outer_msg) self._process_before_attach(part, part_count + 1) diff --git a/cloudinit/util.py b/cloudinit/util.py index 3ce54f28..08cdd8c8 100644 --- a/cloudinit/util.py +++ b/cloudinit/util.py @@ -26,6 +26,7 @@ from StringIO import StringIO import contextlib import copy as obj_copy +import ctypes import errno import glob import grp @@ -36,6 +37,7 @@ import os.path import platform import pwd import random +import re import shutil import socket import stat @@ -72,31 +74,6 @@ FN_ALLOWED = ('_-.()' + string.digits + string.ascii_letters) CONTAINER_TESTS = ['running-in-container', 'lxc-is-container'] -# Made to have same accessors as UrlResponse so that the -# read_file_or_url can return this or that object and the -# 'user' of those objects will not need to know the difference. -class StringResponse(object): - def __init__(self, contents, code=200): - self.code = code - self.headers = {} - self.contents = contents - self.url = None - - def ok(self, *args, **kwargs): # pylint: disable=W0613 - if self.code != 200: - return False - return True - - def __str__(self): - return self.contents - - -class FileResponse(StringResponse): - def __init__(self, path, contents, code=200): - StringResponse.__init__(self, contents, code=code) - self.url = path - - class ProcessExecutionError(IOError): MESSAGE_TMPL = ('%(description)s\n' @@ -392,11 +369,11 @@ def is_ipv4(instr): return False try: - toks = [x for x in toks if (int(x) < 256 and int(x) > 0)] + toks = [x for x in toks if int(x) < 256 and int(x) >= 0] except: return False - return (len(toks) == 4) + return len(toks) == 4 def get_cfg_option_bool(yobj, key, default=False): @@ -649,8 +626,8 @@ def read_optional_seed(fill, base="", ext="", timeout=5): fill['user-data'] = ud fill['meta-data'] = md return True - except IOError as e: - if e.errno == errno.ENOENT: + except url_helper.UrlError as e: + if e.code == url_helper.NOT_FOUND: return False raise @@ -689,7 +666,7 @@ def fetch_ssl_details(paths=None): def read_file_or_url(url, timeout=5, retries=10, headers=None, data=None, sec_between=1, ssl_details=None, - headers_cb=None): + headers_cb=None, exception_cb=None): url = url.lstrip() if url.startswith("/"): url = "file://%s" % url @@ -697,7 +674,14 @@ def read_file_or_url(url, timeout=5, retries=10, if data: LOG.warn("Unable to post data to file resource %s", url) file_path = url[len("file://"):] - return FileResponse(file_path, contents=load_file(file_path)) + try: + contents = load_file(file_path) + except IOError as e: + code = e.errno + if e.errno == errno.ENOENT: + code = url_helper.NOT_FOUND + raise url_helper.UrlError(cause=e, code=code, headers=None) + return url_helper.FileResponse(file_path, contents=contents) else: return url_helper.readurl(url, timeout=timeout, @@ -706,7 +690,8 @@ def read_file_or_url(url, timeout=5, retries=10, headers_cb=headers_cb, data=data, sec_between=sec_between, - ssl_details=ssl_details) + ssl_details=ssl_details, + exception_cb=exception_cb) def load_yaml(blob, default=None, allowed=(dict,)): @@ -875,8 +860,8 @@ def get_fqdn_from_hosts(hostname, filename="/etc/hosts"): IP_address canonical_hostname [aliases...] Fields of the entry are separated by any number of blanks and/or tab - characters. Text from a "#" character until the end of the line is a - comment, and is ignored. Host names may contain only alphanumeric + characters. Text from a "#" character until the end of the line is a + comment, and is ignored. Host names may contain only alphanumeric characters, minus signs ("-"), and periods ("."). They must begin with an alphabetic character and end with an alphanumeric character. Optional aliases provide for name changes, alternate spellings, shorter @@ -960,7 +945,7 @@ def is_resolvable(name): pass _DNS_REDIRECT_IP = badips if badresults: - LOG.debug("detected dns redirection: %s" % badresults) + LOG.debug("detected dns redirection: %s", badresults) try: result = socket.getaddrinfo(name, None) @@ -987,7 +972,7 @@ def gethostbyaddr(ip): def is_resolvable_url(url): """determine if this url is resolvable (existing or ip).""" - return (is_resolvable(urlparse.urlparse(url).hostname)) + return is_resolvable(urlparse.urlparse(url).hostname) def search_for_mirror(candidates): @@ -1312,11 +1297,26 @@ def mounts(): mounted = {} try: # Go through mounts to see what is already mounted - mount_locs = load_file("/proc/mounts").splitlines() + if os.path.exists("/proc/mounts"): + mount_locs = load_file("/proc/mounts").splitlines() + method = 'proc' + else: + (mountoutput, _err) = subp("mount") + mount_locs = mountoutput.splitlines() + method = 'mount' + mountre = r'^(/dev/[\S]+) on (/.*) \((.+), .+, (.+)\)$' for mpline in mount_locs: - # Format at: man fstab + # Linux: /dev/sda1 on /boot type ext4 (rw,relatime,data=ordered) + # FreeBSD: /dev/vtbd0p2 on / (ufs, local, journaled soft-updates) try: - (dev, mp, fstype, opts, _freq, _passno) = mpline.split() + if method == 'proc': + (dev, mp, fstype, opts, _freq, _passno) = mpline.split() + else: + m = re.search(mountre, mpline) + dev = m.group(1) + mp = m.group(2) + fstype = m.group(3) + opts = m.group(4) except: continue # If the name of the mount point contains spaces these @@ -1327,9 +1327,9 @@ def mounts(): 'mountpoint': mp, 'opts': opts, } - LOG.debug("Fetched %s mounts from %s", mounted, "/proc/mounts") + LOG.debug("Fetched %s mounts from %s", mounted, method) except (IOError, OSError): - logexc(LOG, "Failed fetching mount points from /proc/mounts") + logexc(LOG, "Failed fetching mount points") return mounted @@ -1386,7 +1386,7 @@ def get_builtin_cfg(): def sym_link(source, link): - LOG.debug("Creating symbolic link from %r => %r" % (link, source)) + LOG.debug("Creating symbolic link from %r => %r", link, source) os.symlink(source, link) @@ -1414,12 +1414,27 @@ def time_rfc2822(): def uptime(): uptime_str = '??' + method = 'unknown' try: - contents = load_file("/proc/uptime").strip() - if contents: - uptime_str = contents.split()[0] + if os.path.exists("/proc/uptime"): + method = '/proc/uptime' + contents = load_file("/proc/uptime").strip() + if contents: + uptime_str = contents.split()[0] + else: + method = 'ctypes' + libc = ctypes.CDLL('/lib/libc.so.7') + size = ctypes.c_size_t() + buf = ctypes.c_int() + size.value = ctypes.sizeof(buf) + libc.sysctlbyname("kern.boottime", ctypes.byref(buf), + ctypes.byref(size), None, 0) + now = time.time() + bootup = buf.value + uptime_str = now - bootup + except: - logexc(LOG, "Unable to read uptime from /proc/uptime") + logexc(LOG, "Unable to read uptime using method: %s" % method) return uptime_str @@ -1758,6 +1773,19 @@ def parse_mtab(path): return None +def parse_mount(path): + (mountoutput, _err) = subp("mount") + mount_locs = mountoutput.splitlines() + for line in mount_locs: + m = re.search(r'^(/dev/[\S]+) on (/.*) \((.+), .+, (.+)\)$', line) + devpth = m.group(1) + mount_point = m.group(2) + fs_type = m.group(3) + if mount_point == path: + return devpth, fs_type, mount_point + return None + + def get_mount_info(path, log=LOG): # Use /proc/$$/mountinfo to find the device where path is mounted. # This is done because with a btrfs filesystem using os.stat(path) @@ -1791,8 +1819,10 @@ def get_mount_info(path, log=LOG): if os.path.exists(mountinfo_path): lines = load_file(mountinfo_path).splitlines() return parse_mount_info(path, lines, log) - else: + elif os.path.exists("/etc/mtab"): return parse_mtab(path) + else: + return parse_mount(path) def which(program): @@ -1805,7 +1835,7 @@ def which(program): if is_exe(program): return program else: - for path in os.environ["PATH"].split(os.pathsep): + for path in os.environ.get("PATH", "").split(os.pathsep): path = path.strip('"') exe_file = os.path.join(path, program) if is_exe(exe_file): @@ -1859,3 +1889,28 @@ def expand_dotted_devname(dotted): return toks else: return (dotted, None) + + +def pathprefix2dict(base, required=None, optional=None, delim=os.path.sep): + # return a dictionary populated with keys in 'required' and 'optional' + # by reading files in prefix + delim + entry + if required is None: + required = [] + if optional is None: + optional = [] + + missing = [] + ret = {} + for f in required + optional: + try: + ret[f] = load_file(base + delim + f, quiet=False) + except IOError as e: + if e.errno != errno.ENOENT: + raise + if f in required: + missing.append(f) + + if len(missing): + raise ValueError("Missing required files: %s", ','.join(missing)) + + return ret |