diff options
Diffstat (limited to 'cloudinit/CloudConfig/cc_mounts.py')
| -rw-r--r-- | cloudinit/CloudConfig/cc_mounts.py | 179 |
1 files changed, 0 insertions, 179 deletions
diff --git a/cloudinit/CloudConfig/cc_mounts.py b/cloudinit/CloudConfig/cc_mounts.py deleted file mode 100644 index 6cdd74e8..00000000 --- a/cloudinit/CloudConfig/cc_mounts.py +++ /dev/null @@ -1,179 +0,0 @@ -# vi: ts=4 expandtab -# -# Copyright (C) 2009-2010 Canonical Ltd. -# Copyright (C) 2012 Hewlett-Packard Development Company, L.P. -# -# Author: Scott Moser <scott.moser@canonical.com> -# Author: Juerg Haefliger <juerg.haefliger@hp.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/>. - -import cloudinit.util as util -import os -import re -from string import whitespace # pylint: disable=W0402 - - -def is_mdname(name): - # return true if this is a metadata service name - if name in ["ami", "root", "swap"]: - return True - # names 'ephemeral0' or 'ephemeral1' - # 'ebs[0-9]' appears when '--block-device-mapping sdf=snap-d4d90bbc' - for enumname in ("ephemeral", "ebs"): - if name.startswith(enumname) and name.find(":") == -1: - return True - return False - - -def handle(_name, cfg, cloud, log, _args): - # fs_spec, fs_file, fs_vfstype, fs_mntops, fs-freq, fs_passno - defvals = [None, None, "auto", "defaults,nobootwait", "0", "2"] - defvals = cfg.get("mount_default_fields", defvals) - - # these are our default set of mounts - defmnts = [["ephemeral0", "/mnt", "auto", defvals[3], "0", "2"], - ["swap", "none", "swap", "sw", "0", "0"]] - - cfgmnt = [] - if "mounts" in cfg: - cfgmnt = cfg["mounts"] - - # shortname matches 'sda', 'sda1', 'xvda', 'hda', 'sdb', xvdb, vda, vdd1 - shortname_filter = r"^[x]{0,1}[shv]d[a-z][0-9]*$" - shortname = re.compile(shortname_filter) - - for i in range(len(cfgmnt)): - # skip something that wasn't a list - if not isinstance(cfgmnt[i], list): - continue - - # workaround, allow user to specify 'ephemeral' - # rather than more ec2 correct 'ephemeral0' - if cfgmnt[i][0] == "ephemeral": - cfgmnt[i][0] = "ephemeral0" - - if is_mdname(cfgmnt[i][0]): - newname = cloud.device_name_to_device(cfgmnt[i][0]) - if not newname: - log.debug("ignoring nonexistant named mount %s" % cfgmnt[i][0]) - cfgmnt[i][1] = None - else: - if newname.startswith("/"): - cfgmnt[i][0] = newname - else: - cfgmnt[i][0] = "/dev/%s" % newname - else: - if shortname.match(cfgmnt[i][0]): - cfgmnt[i][0] = "/dev/%s" % cfgmnt[i][0] - - # in case the user did not quote a field (likely fs-freq, fs_passno) - # but do not convert None to 'None' (LP: #898365) - for j in range(len(cfgmnt[i])): - if isinstance(cfgmnt[i][j], int): - cfgmnt[i][j] = str(cfgmnt[i][j]) - - for i in range(len(cfgmnt)): - # fill in values with defaults from defvals above - for j in range(len(defvals)): - if len(cfgmnt[i]) <= j: - cfgmnt[i].append(defvals[j]) - elif cfgmnt[i][j] is None: - cfgmnt[i][j] = defvals[j] - - # if the second entry in the list is 'None' this - # clears all previous entries of that same 'fs_spec' - # (fs_spec is the first field in /etc/fstab, ie, that device) - if cfgmnt[i][1] is None: - for j in range(i): - if cfgmnt[j][0] == cfgmnt[i][0]: - cfgmnt[j][1] = None - - # for each of the "default" mounts, add them only if no other - # entry has the same device name - for defmnt in defmnts: - devname = cloud.device_name_to_device(defmnt[0]) - if devname is None: - continue - if devname.startswith("/"): - defmnt[0] = devname - else: - defmnt[0] = "/dev/%s" % devname - - cfgmnt_has = False - for cfgm in cfgmnt: - if cfgm[0] == defmnt[0]: - cfgmnt_has = True - break - - if cfgmnt_has: - continue - cfgmnt.append(defmnt) - - # now, each entry in the cfgmnt list has all fstab values - # if the second field is None (not the string, the value) we skip it - actlist = [x for x in cfgmnt if x[1] is not None] - - if len(actlist) == 0: - return - - comment = "comment=cloudconfig" - cc_lines = [] - needswap = False - dirs = [] - for line in actlist: - # write 'comment' in the fs_mntops, entry, claiming this - line[3] = "%s,comment=cloudconfig" % line[3] - if line[2] == "swap": - needswap = True - if line[1].startswith("/"): - dirs.append(line[1]) - cc_lines.append('\t'.join(line)) - - fstab_lines = [] - fstab = open("/etc/fstab", "r+") - ws = re.compile("[%s]+" % whitespace) - for line in fstab.read().splitlines(): - try: - toks = ws.split(line) - if toks[3].find(comment) != -1: - continue - except: - pass - fstab_lines.append(line) - - fstab_lines.extend(cc_lines) - - fstab.seek(0) - fstab.write("%s\n" % '\n'.join(fstab_lines)) - fstab.truncate() - fstab.close() - - if needswap: - try: - util.subp(("swapon", "-a")) - except: - log.warn("Failed to enable swap") - - for d in dirs: - if os.path.exists(d): - continue - try: - os.makedirs(d) - except: - log.warn("Failed to make '%s' config-mount\n", d) - - try: - util.subp(("mount", "-a")) - except: - log.warn("'mount -a' failed") |