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-rw-r--r--cloudinit/distros/parsers/__init__.py3
-rw-r--r--cloudinit/distros/parsers/hostname.py24
-rw-r--r--cloudinit/distros/parsers/hosts.py24
-rw-r--r--cloudinit/distros/parsers/networkmanager_conf.py6
-rw-r--r--cloudinit/distros/parsers/resolv_conf.py73
-rw-r--r--cloudinit/distros/parsers/sys_conf.py38
6 files changed, 95 insertions, 73 deletions
diff --git a/cloudinit/distros/parsers/__init__.py b/cloudinit/distros/parsers/__init__.py
index 6b5b6dde..5bea2ae1 100644
--- a/cloudinit/distros/parsers/__init__.py
+++ b/cloudinit/distros/parsers/__init__.py
@@ -9,10 +9,11 @@ def chop_comment(text, comment_chars):
comment_locations = [text.find(c) for c in comment_chars]
comment_locations = [c for c in comment_locations if c != -1]
if not comment_locations:
- return (text, '')
+ return (text, "")
min_comment = min(comment_locations)
before_comment = text[0:min_comment]
comment = text[min_comment:]
return (before_comment, comment)
+
# vi: ts=4 expandtab
diff --git a/cloudinit/distros/parsers/hostname.py b/cloudinit/distros/parsers/hostname.py
index e74c083c..61674082 100644
--- a/cloudinit/distros/parsers/hostname.py
+++ b/cloudinit/distros/parsers/hostname.py
@@ -23,11 +23,11 @@ class HostnameConf(object):
self.parse()
contents = StringIO()
for (line_type, components) in self._contents:
- if line_type == 'blank':
+ if line_type == "blank":
contents.write("%s\n" % (components[0]))
- elif line_type == 'all_comment':
+ elif line_type == "all_comment":
contents.write("%s\n" % (components[0]))
- elif line_type == 'hostname':
+ elif line_type == "hostname":
(hostname, tail) = components
contents.write("%s%s\n" % (hostname, tail))
# Ensure trailing newline
@@ -40,7 +40,7 @@ class HostnameConf(object):
def hostname(self):
self.parse()
for (line_type, components) in self._contents:
- if line_type == 'hostname':
+ if line_type == "hostname":
return components[0]
return None
@@ -51,28 +51,28 @@ class HostnameConf(object):
self.parse()
replaced = False
for (line_type, components) in self._contents:
- if line_type == 'hostname':
+ if line_type == "hostname":
components[0] = str(your_hostname)
replaced = True
if not replaced:
- self._contents.append(('hostname', [str(your_hostname), '']))
+ self._contents.append(("hostname", [str(your_hostname), ""]))
def _parse(self, contents):
entries = []
hostnames_found = set()
for line in contents.splitlines():
if not len(line.strip()):
- entries.append(('blank', [line]))
+ entries.append(("blank", [line]))
continue
- (head, tail) = chop_comment(line.strip(), '#')
+ (head, tail) = chop_comment(line.strip(), "#")
if not len(head):
- entries.append(('all_comment', [line]))
+ entries.append(("all_comment", [line]))
continue
- entries.append(('hostname', [head, tail]))
+ entries.append(("hostname", [head, tail]))
hostnames_found.add(head)
if len(hostnames_found) > 1:
- raise IOError("Multiple hostnames (%s) found!"
- % (hostnames_found))
+ raise IOError("Multiple hostnames (%s) found!" % (hostnames_found))
return entries
+
# vi: ts=4 expandtab
diff --git a/cloudinit/distros/parsers/hosts.py b/cloudinit/distros/parsers/hosts.py
index 54e4e934..e43880af 100644
--- a/cloudinit/distros/parsers/hosts.py
+++ b/cloudinit/distros/parsers/hosts.py
@@ -25,7 +25,7 @@ class HostsConf(object):
self.parse()
options = []
for (line_type, components) in self._contents:
- if line_type == 'option':
+ if line_type == "option":
(pieces, _tail) = components
if len(pieces) and pieces[0] == ip:
options.append(pieces[1:])
@@ -35,7 +35,7 @@ class HostsConf(object):
self.parse()
n_entries = []
for (line_type, components) in self._contents:
- if line_type != 'option':
+ if line_type != "option":
n_entries.append((line_type, components))
continue
else:
@@ -48,35 +48,37 @@ class HostsConf(object):
def add_entry(self, ip, canonical_hostname, *aliases):
self.parse()
- self._contents.append(('option',
- ([ip, canonical_hostname] + list(aliases), '')))
+ self._contents.append(
+ ("option", ([ip, canonical_hostname] + list(aliases), ""))
+ )
def _parse(self, contents):
entries = []
for line in contents.splitlines():
if not len(line.strip()):
- entries.append(('blank', [line]))
+ entries.append(("blank", [line]))
continue
- (head, tail) = chop_comment(line.strip(), '#')
+ (head, tail) = chop_comment(line.strip(), "#")
if not len(head):
- entries.append(('all_comment', [line]))
+ entries.append(("all_comment", [line]))
continue
- entries.append(('option', [head.split(None), tail]))
+ entries.append(("option", [head.split(None), tail]))
return entries
def __str__(self):
self.parse()
contents = StringIO()
for (line_type, components) in self._contents:
- if line_type == 'blank':
+ if line_type == "blank":
contents.write("%s\n" % (components[0]))
- elif line_type == 'all_comment':
+ elif line_type == "all_comment":
contents.write("%s\n" % (components[0]))
- elif line_type == 'option':
+ elif line_type == "option":
(pieces, tail) = components
pieces = [str(p) for p in pieces]
pieces = "\t".join(pieces)
contents.write("%s%s\n" % (pieces, tail))
return contents.getvalue()
+
# vi: ts=4 expandtab
diff --git a/cloudinit/distros/parsers/networkmanager_conf.py b/cloudinit/distros/parsers/networkmanager_conf.py
index ac51f122..4b669b0f 100644
--- a/cloudinit/distros/parsers/networkmanager_conf.py
+++ b/cloudinit/distros/parsers/networkmanager_conf.py
@@ -13,9 +13,9 @@ import configobj
class NetworkManagerConf(configobj.ConfigObj):
def __init__(self, contents):
- configobj.ConfigObj.__init__(self, contents,
- interpolation=False,
- write_empty_values=False)
+ configobj.ConfigObj.__init__(
+ self, contents, interpolation=False, write_empty_values=False
+ )
def set_section_keypair(self, section_name, key, value):
if section_name not in self.sections:
diff --git a/cloudinit/distros/parsers/resolv_conf.py b/cloudinit/distros/parsers/resolv_conf.py
index 62929d03..0ef4e147 100644
--- a/cloudinit/distros/parsers/resolv_conf.py
+++ b/cloudinit/distros/parsers/resolv_conf.py
@@ -6,9 +6,9 @@
from io import StringIO
-from cloudinit.distros.parsers import chop_comment
from cloudinit import log as logging
from cloudinit import util
+from cloudinit.distros.parsers import chop_comment
LOG = logging.getLogger(__name__)
@@ -26,12 +26,12 @@ class ResolvConf(object):
@property
def nameservers(self):
self.parse()
- return self._retr_option('nameserver')
+ return self._retr_option("nameserver")
@property
def local_domain(self):
self.parse()
- dm = self._retr_option('domain')
+ dm = self._retr_option("domain")
if dm:
return dm[0]
return None
@@ -39,7 +39,7 @@ class ResolvConf(object):
@property
def search_domains(self):
self.parse()
- current_sds = self._retr_option('search')
+ current_sds = self._retr_option("search")
flat_sds = []
for sdlist in current_sds:
for sd in sdlist.split(None):
@@ -51,11 +51,11 @@ class ResolvConf(object):
self.parse()
contents = StringIO()
for (line_type, components) in self._contents:
- if line_type == 'blank':
+ if line_type == "blank":
contents.write("\n")
- elif line_type == 'all_comment':
+ elif line_type == "all_comment":
contents.write("%s\n" % (components[0]))
- elif line_type == 'option':
+ elif line_type == "option":
(cfg_opt, cfg_value, comment_tail) = components
line = "%s %s" % (cfg_opt, cfg_value)
if len(comment_tail):
@@ -66,7 +66,7 @@ class ResolvConf(object):
def _retr_option(self, opt_name):
found = []
for (line_type, components) in self._contents:
- if line_type == 'option':
+ if line_type == "option":
(cfg_opt, cfg_value, _comment_tail) = components
if cfg_opt == opt_name:
found.append(cfg_value)
@@ -74,27 +74,29 @@ class ResolvConf(object):
def add_nameserver(self, ns):
self.parse()
- current_ns = self._retr_option('nameserver')
+ current_ns = self._retr_option("nameserver")
new_ns = list(current_ns)
new_ns.append(str(ns))
new_ns = util.uniq_list(new_ns)
if len(new_ns) == len(current_ns):
return current_ns
if len(current_ns) >= 3:
- LOG.warning("ignoring nameserver %r: adding would "
- "exceed the maximum of "
- "'3' name servers (see resolv.conf(5))", ns)
+ LOG.warning(
+ "ignoring nameserver %r: adding would "
+ "exceed the maximum of "
+ "'3' name servers (see resolv.conf(5))",
+ ns,
+ )
return current_ns[:3]
- self._remove_option('nameserver')
+ self._remove_option("nameserver")
for n in new_ns:
- self._contents.append(('option', ['nameserver', n, '']))
+ self._contents.append(("option", ["nameserver", n, ""]))
return new_ns
def _remove_option(self, opt_name):
-
def remove_opt(item):
line_type, components = item
- if line_type != 'option':
+ if line_type != "option":
return False
(cfg_opt, _cfg_value, _comment_tail) = components
if cfg_opt != opt_name:
@@ -116,23 +118,26 @@ class ResolvConf(object):
return new_sds
if len(flat_sds) >= 6:
# Hard restriction on only 6 search domains
- raise ValueError(("Adding %r would go beyond the "
- "'6' maximum search domains") % (search_domain))
+ raise ValueError(
+ "Adding %r would go beyond the '6' maximum search domains"
+ % (search_domain)
+ )
s_list = " ".join(new_sds)
if len(s_list) > 256:
# Some hard limit on 256 chars total
- raise ValueError(("Adding %r would go beyond the "
- "256 maximum search list character limit")
- % (search_domain))
- self._remove_option('search')
- self._contents.append(('option', ['search', s_list, '']))
+ raise ValueError(
+ "Adding %r would go beyond the "
+ "256 maximum search list character limit" % (search_domain)
+ )
+ self._remove_option("search")
+ self._contents.append(("option", ["search", s_list, ""]))
return flat_sds
@local_domain.setter
def local_domain(self, domain):
self.parse()
- self._remove_option('domain')
- self._contents.append(('option', ['domain', str(domain), '']))
+ self._remove_option("domain")
+ self._contents.append(("option", ["domain", str(domain), ""]))
return domain
def _parse(self, contents):
@@ -140,24 +145,30 @@ class ResolvConf(object):
for (i, line) in enumerate(contents.splitlines()):
sline = line.strip()
if not sline:
- entries.append(('blank', [line]))
+ entries.append(("blank", [line]))
continue
- (head, tail) = chop_comment(line, ';#')
+ (head, tail) = chop_comment(line, ";#")
if not len(head.strip()):
- entries.append(('all_comment', [line]))
+ entries.append(("all_comment", [line]))
continue
if not tail:
- tail = ''
+ tail = ""
try:
(cfg_opt, cfg_values) = head.split(None, 1)
except (IndexError, ValueError) as e:
raise IOError(
"Incorrectly formatted resolv.conf line %s" % (i + 1)
) from e
- if cfg_opt not in ['nameserver', 'domain',
- 'search', 'sortlist', 'options']:
+ if cfg_opt not in [
+ "nameserver",
+ "domain",
+ "search",
+ "sortlist",
+ "options",
+ ]:
raise IOError("Unexpected resolv.conf option %s" % (cfg_opt))
entries.append(("option", [cfg_opt, cfg_values, tail]))
return entries
+
# vi: ts=4 expandtab
diff --git a/cloudinit/distros/parsers/sys_conf.py b/cloudinit/distros/parsers/sys_conf.py
index dee4c551..4132734c 100644
--- a/cloudinit/distros/parsers/sys_conf.py
+++ b/cloudinit/distros/parsers/sys_conf.py
@@ -20,7 +20,7 @@ import configobj
# See: http://pubs.opengroup.org/onlinepubs/000095399/basedefs/xbd_chap08.html
# or look at the 'param_expand()' function in the subst.c file in the bash
# source tarball...
-SHELL_VAR_RULE = r'[a-zA-Z_]+[a-zA-Z0-9_]*'
+SHELL_VAR_RULE = r"[a-zA-Z_]+[a-zA-Z0-9_]*"
SHELL_VAR_REGEXES = [
# Basic variables
re.compile(r"\$" + SHELL_VAR_RULE),
@@ -48,10 +48,11 @@ class SysConf(configobj.ConfigObj):
``configobj.ConfigObj.__init__`` (i.e. "a filename, file like object,
or list of lines").
"""
+
def __init__(self, contents):
- configobj.ConfigObj.__init__(self, contents,
- interpolation=False,
- write_empty_values=True)
+ configobj.ConfigObj.__init__(
+ self, contents, interpolation=False, write_empty_values=True
+ )
def __str__(self):
contents = self.write()
@@ -66,11 +67,13 @@ class SysConf(configobj.ConfigObj):
if not isinstance(value, str):
raise ValueError('Value "%s" is not a string' % (value))
if len(value) == 0:
- return ''
+ return ""
quot_func = None
if value[0] in ['"', "'"] and value[-1] in ['"', "'"]:
if len(value) == 1:
- quot_func = (lambda x: self._get_single_quote(x) % x)
+ quot_func = (
+ lambda x: self._get_single_quote(x) % x
+ ) # noqa: E731
else:
# Quote whitespace if it isn't the start + end of a shell command
if value.strip().startswith("$(") and value.strip().endswith(")"):
@@ -82,11 +85,13 @@ class SysConf(configobj.ConfigObj):
# leave it alone since the pipes.quote function likes
# to use single quotes which won't get expanded...
if re.search(r"[\n\"']", value):
- quot_func = (lambda x:
- self._get_triple_quote(x) % x)
+ quot_func = (
+ lambda x: self._get_triple_quote(x) % x
+ ) # noqa: E731
else:
- quot_func = (lambda x:
- self._get_single_quote(x) % x)
+ quot_func = (
+ lambda x: self._get_single_quote(x) % x
+ ) # noqa: E731
else:
quot_func = pipes.quote
if not quot_func:
@@ -99,10 +104,13 @@ class SysConf(configobj.ConfigObj):
val = self._decode_element(self._quote(this_entry))
key = self._decode_element(self._quote(entry))
cmnt = self._decode_element(comment)
- return '%s%s%s%s%s' % (indent_string,
- key,
- self._a_to_u('='),
- val,
- cmnt)
+ return "%s%s%s%s%s" % (
+ indent_string,
+ key,
+ self._a_to_u("="),
+ val,
+ cmnt,
+ )
+
# vi: ts=4 expandtab