def virtual_ip_address(self, ips):
ips = util.flatten(ips)
ips = (sorted(set([ip for ip in ips if isinstance(ip, ipaddr.IPv4Address)])) +
sorted(set([ip for ip in ips if isinstance(ip, ipaddr.IPv6Address)])))
if len(ips) > 0:
self._virtual_ipaddress = ips[0]
else:
logger.error("No VRRP virtual_ipaddress available at all!")
self._virtual_ipaddress = None
self._virtual_ipaddress_excluded = ips[1:]
def _figure_out_modules(modules_to_load, modules_to_run):
if modules_to_load is None or len(modules_to_load) == 0:
modules_to_load = known_modules
else:
modules_to_load = util.flatten(modules_to_load)
filtered_to_load = []
for module_name in modules_to_load:
if module_name not in known_modules:
raise Exception("Unknown module %s!" % module_name)
else:
filtered_to_load.append(module_name)
if modules_to_run is None or len(modules_to_run) == 0:
modules_to_run = filtered_to_load
else:
modules_to_run = util.flatten(modules_to_run)
filtered_to_run = []
for module_name in modules_to_run:
if module_name not in known_modules:
logger.error("Ignoring unknown module %s!" % module_name)
elif module_name not in modules_to_load:
logger.error("Skipping module run for %s, it's not being loaded!" % module_name)
else:
filtered_to_run.append(module_name)
return filtered_to_load, filtered_to_run
def write_file(outdir, filename, lines, dry_run, diff=False, remove_empty=False):
did_write_changes = False
target_filename = os.path.join(outdir, filename)
if len(lines) > 0:
lines.insert(0 if not lines[0].startswith('#!') else 1, "# Managed by CARETAKR")
new_content = "%s\n" % '\n'.join(lines)
try:
with open(target_filename) as f:
current_content = f.read()
except:
current_content = "\n"
if diff is True:
if new_content != current_content:
diff_lines = difflib.unified_diff(current_content.splitlines(), lines,
fromfile='a/%s' % filename,
tofile='b/%s' % filename,
lineterm='')
if sys.stdout.isatty():
print('\n'.join(map(colorize, diff_lines)))
else:
map(logger.info, diff_lines)
if dry_run is True:
if os.path.isfile(target_filename) and len(lines) == 0 and remove_empty is True:
logger.info("Would attempt to remove %s, because there is no new content" %
target_filename)
elif ((os.path.isfile(target_filename) and os.access(target_filename, os.W_OK) is True)
or (os.path.exists(target_filename) is False and
os.access(os.path.dirname(target_filename), os.W_OK) is True)):
if new_content != current_content:
if ((os.path.isfile(target_filename)
and os.stat(target_filename).st_uid != os.geteuid())):
logger.error("Would refuse to overwrite %s, as it's not owned by us!" %
target_filename)
else:
logger.info("Would write %d lines to %s" % (len(lines), target_filename))
did_write_changes = True
elif not (os.path.isfile(target_filename) is False and remove_empty is True):
logger.info("No changes for %s" % target_filename)
else:
logger.error("Would not be able to write file at %s" % target_filename)
else:
if len(lines) == 0 and remove_empty is True:
if ((os.path.isfile(target_filename)
and os.stat(target_filename).st_uid != os.geteuid())):
logger.error("Refusing to remove %s, as it's not owned by us!" % target_filename)
else:
if os.path.isfile(target_filename):
logger.info("Removing %s" % target_filename)
os.remove(target_filename)
did_write_changes = True
else:
if new_content != current_content:
if ((os.path.isfile(target_filename)
and os.stat(target_filename).st_uid != os.geteuid())):
logger.error("Refusing to overwrite %s, as it's not owned by us!" %
target_filename)
else:
logger.info("Writing %s (%d lines)" % (target_filename, len(lines)))
try:
os.makedirs(os.path.dirname(target_filename))
except:
pass
with open(target_filename, 'w') as f:
f.write(new_content)
did_write_changes = True
else:
logger.info("No changes for %s" % target_filename)
return did_write_changes