mirror of
https://github.com/xcat2/confluent.git
synced 2024-12-04 02:24:42 +00:00
280 lines
10 KiB
Python
280 lines
10 KiB
Python
#!/usr/bin/python
|
|
import importlib
|
|
import tempfile
|
|
import json
|
|
import os
|
|
import shutil
|
|
import pwd
|
|
import grp
|
|
try:
|
|
from importlib.machinery import SourceFileLoader
|
|
def load_source(mod, path):
|
|
return SourceFileLoader(mod, path).load_module()
|
|
except ImportError:
|
|
from imp import load_source
|
|
|
|
try:
|
|
apiclient = load_source('apiclient', '/opt/confluent/bin/apiclient')
|
|
except IOError:
|
|
apiclient = load_source('apiclient', '/etc/confluent/apiclient')
|
|
|
|
|
|
|
|
def partitionhostsline(line):
|
|
comment = ''
|
|
try:
|
|
cmdidx = line.index('#')
|
|
comment = line[cmdidx:]
|
|
line = line[:cmdidx].strip()
|
|
except ValueError:
|
|
pass
|
|
if not line:
|
|
return '', [], comment
|
|
ipaddr, names = line.split(maxsplit=1)
|
|
names = names.split()
|
|
return ipaddr, names, comment
|
|
|
|
class HostMerger(object):
|
|
def __init__(self):
|
|
self.byip = {}
|
|
self.byname = {}
|
|
self.sourcelines = []
|
|
self.targlines = []
|
|
|
|
def read_source(self, sourcefile):
|
|
with open(sourcefile, 'r') as hfile:
|
|
self.sourcelines = hfile.read().split('\n')
|
|
while not self.sourcelines[-1]:
|
|
self.sourcelines = self.sourcelines[:-1]
|
|
for x in range(len(self.sourcelines)):
|
|
line = self.sourcelines[x]
|
|
currip, names, comment = partitionhostsline(line)
|
|
if currip:
|
|
self.byip[currip] = x
|
|
for name in names:
|
|
self.byname[name] = x
|
|
|
|
def read_target(self, targetfile):
|
|
with open(targetfile, 'r') as hfile:
|
|
lines = hfile.read().split('\n')
|
|
if not lines[-1]:
|
|
lines = lines[:-1]
|
|
for y in range(len(lines)):
|
|
line = lines[y]
|
|
currip, names, comment = partitionhostsline(line)
|
|
if currip in self.byip:
|
|
x = self.byip[currip]
|
|
if self.sourcelines[x] is None:
|
|
# have already consumed this enntry
|
|
continue
|
|
self.targlines.append(self.sourcelines[x])
|
|
self.sourcelines[x] = None
|
|
continue
|
|
for name in names:
|
|
if name in self.byname:
|
|
x = self.byname[name]
|
|
if self.sourcelines[x] is None:
|
|
break
|
|
self.targlines.append(self.sourcelines[x])
|
|
self.sourcelines[x] = None
|
|
break
|
|
else:
|
|
self.targlines.append(line)
|
|
|
|
def write_out(self, targetfile):
|
|
while not self.targlines[-1]:
|
|
self.targlines = self.targlines[:-1]
|
|
if not self.targlines:
|
|
break
|
|
while not self.sourcelines[-1]:
|
|
self.sourcelines = self.sourcelines[:-1]
|
|
if not self.sourcelines:
|
|
break
|
|
with open(targetfile, 'w') as hosts:
|
|
for line in self.targlines:
|
|
hosts.write(line + '\n')
|
|
for line in self.sourcelines:
|
|
if line is not None:
|
|
hosts.write(line + '\n')
|
|
|
|
|
|
class CredMerger:
|
|
def __init__(self):
|
|
try:
|
|
with open('/etc/login.defs', 'r') as ldefs:
|
|
defs = ldefs.read().split('\n')
|
|
except FileNotFoundError:
|
|
defs = []
|
|
lkup = {}
|
|
self.discardnames = {}
|
|
self.shadowednames = {}
|
|
for line in defs:
|
|
try:
|
|
line = line[:line.index('#')]
|
|
except ValueError:
|
|
pass
|
|
keyval = line.split()
|
|
if len(keyval) < 2:
|
|
continue
|
|
lkup[keyval[0]] = keyval[1]
|
|
self.uidmin = int(lkup.get('UID_MIN', 1000))
|
|
self.uidmax = int(lkup.get('UID_MAX', 60000))
|
|
self.gidmin = int(lkup.get('GID_MIN', 1000))
|
|
self.gidmax = int(lkup.get('GID_MAX', 60000))
|
|
self.shadowlines = None
|
|
|
|
def read_passwd(self, source, targfile=False):
|
|
self.read_generic(source, self.uidmin, self.uidmax, targfile)
|
|
|
|
def read_group(self, source, targfile=False):
|
|
self.read_generic(source, self.gidmin, self.gidmax, targfile)
|
|
|
|
def read_generic(self, source, minid, maxid, targfile):
|
|
if targfile:
|
|
self.targdata = []
|
|
else:
|
|
self.sourcedata = []
|
|
with open(source, 'r') as inputfile:
|
|
for line in inputfile.read().split('\n'):
|
|
try:
|
|
name, _, uid, _ = line.split(':', 3)
|
|
uid = int(uid)
|
|
except ValueError:
|
|
continue
|
|
if targfile:
|
|
if uid < minid or uid > maxid:
|
|
self.targdata.append(line)
|
|
else:
|
|
self.discardnames[name] = 1
|
|
else:
|
|
if name[0] in ('+', '#', '@'):
|
|
self.sourcedata.append(line)
|
|
elif uid >= minid and uid <= maxid:
|
|
self.sourcedata.append(line)
|
|
|
|
def read_shadow(self, source):
|
|
self.shadowlines = []
|
|
try:
|
|
with open(source, 'r') as inshadow:
|
|
for line in inshadow.read().split('\n'):
|
|
try:
|
|
name, _ = line.split(':' , 1)
|
|
except ValueError:
|
|
continue
|
|
if name in self.discardnames:
|
|
continue
|
|
self.shadowednames[name] = 1
|
|
self.shadowlines.append(line)
|
|
except FileNotFoundError:
|
|
return
|
|
|
|
def write_out(self, outfile):
|
|
with open(outfile, 'w') as targ:
|
|
for line in self.targdata:
|
|
targ.write(line + '\n')
|
|
for line in self.sourcedata:
|
|
targ.write(line + '\n')
|
|
if outfile == '/etc/passwd':
|
|
if self.shadowlines is None:
|
|
self.read_shadow('/etc/shadow')
|
|
with open('/etc/shadow', 'w') as shadout:
|
|
for line in self.shadowlines:
|
|
shadout.write(line + '\n')
|
|
for line in self.sourcedata:
|
|
name, _ = line.split(':', 1)
|
|
if name[0] in ('+', '#', '@'):
|
|
continue
|
|
if name in self.shadowednames:
|
|
continue
|
|
shadout.write(name + ':!:::::::\n')
|
|
if outfile == '/etc/group':
|
|
if self.shadowlines is None:
|
|
self.read_shadow('/etc/gshadow')
|
|
with open('/etc/gshadow', 'w') as shadout:
|
|
for line in self.shadowlines:
|
|
shadout.write(line + '\n')
|
|
for line in self.sourcedata:
|
|
name, _ = line.split(':' , 1)
|
|
if name in self.shadowednames:
|
|
continue
|
|
shadout.write(name + ':!::\n')
|
|
|
|
def appendonce(basepath, filename):
|
|
with open(filename, 'rb') as filehdl:
|
|
thedata = filehdl.read()
|
|
targname = filename.replace(basepath, '')
|
|
try:
|
|
with open(targname, 'rb') as filehdl:
|
|
targdata = filehdl.read()
|
|
except IOError:
|
|
targdata = b''
|
|
if thedata in targdata:
|
|
return
|
|
with open(targname, 'ab') as targhdl:
|
|
targhdl.write(thedata)
|
|
|
|
def synchronize():
|
|
tmpdir = tempfile.mkdtemp()
|
|
appendoncedir = tempfile.mkdtemp()
|
|
try:
|
|
ac = apiclient.HTTPSClient()
|
|
data = json.dumps({'merge': tmpdir, 'appendonce': appendoncedir})
|
|
status, rsp = ac.grab_url_with_status('/confluent-api/self/remotesyncfiles', data)
|
|
if status == 202:
|
|
lastrsp = ''
|
|
while status != 204:
|
|
status, rsp = ac.grab_url_with_status('/confluent-api/self/remotesyncfiles')
|
|
if not isinstance(rsp, str):
|
|
rsp = rsp.decode('utf8')
|
|
if status == 200:
|
|
lastrsp = rsp
|
|
pendpasswd = os.path.join(tmpdir, 'etc/passwd')
|
|
if os.path.exists(pendpasswd):
|
|
cm = CredMerger()
|
|
cm.read_passwd(pendpasswd, targfile=False)
|
|
cm.read_passwd('/etc/passwd', targfile=True)
|
|
cm.write_out('/etc/passwd')
|
|
pendgroup = os.path.join(tmpdir, 'etc/group')
|
|
if os.path.exists(pendgroup):
|
|
cm = CredMerger()
|
|
cm.read_group(pendgroup, targfile=False)
|
|
cm.read_group('/etc/group', targfile=True)
|
|
cm.write_out('/etc/group')
|
|
pendhosts = os.path.join(tmpdir, 'etc/hosts')
|
|
if os.path.exists(pendhosts):
|
|
cm = HostMerger()
|
|
cm.read_source(pendhosts)
|
|
cm.read_target('/etc/hosts')
|
|
cm.write_out('/etc/hosts')
|
|
for dirn in os.walk(appendoncedir):
|
|
for filen in dirn[2]:
|
|
appendonce(appendoncedir, os.path.join(dirn[0], filen))
|
|
if lastrsp:
|
|
lastrsp = json.loads(lastrsp)
|
|
opts = lastrsp.get('options', {})
|
|
for fname in opts:
|
|
uid = -1
|
|
gid = -1
|
|
for opt in opts[fname]:
|
|
if opt == 'owner':
|
|
try:
|
|
uid = pwd.getpwnam(opts[fname][opt]['name']).pw_uid
|
|
except KeyError:
|
|
uid = opts[fname][opt]['id']
|
|
elif opt == 'group':
|
|
try:
|
|
gid = grp.getgrnam(opts[fname][opt]['name']).gr_gid
|
|
except KeyError:
|
|
gid = opts[fname][opt]['id']
|
|
elif opt == 'permissions':
|
|
os.chmod(fname, int(opts[fname][opt], 8))
|
|
if uid != -1 or gid != -1:
|
|
os.chown(fname, uid, gid)
|
|
finally:
|
|
shutil.rmtree(tmpdir)
|
|
shutil.rmtree(appendoncedir)
|
|
|
|
|
|
if __name__ == '__main__':
|
|
synchronize()
|