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import shutil
import subprocess
import tempfile
import logging
import time
import hashlib
import uuid
from OpenSSL import crypto
class EtcdProcessHelper(object):
def __init__(
self,
base_directory,
proc_name='etcd',
port_range_start=4001,
internal_port_range_start=7001,
cluster=False,
tls=False
):
self.base_directory = base_directory
self.proc_name = proc_name
self.port_range_start = port_range_start
self.internal_port_range_start = internal_port_range_start
self.processes = {}
self.cluster = cluster
self.schema = 'http://'
if tls:
self.schema = 'https://'
def run(self, number=1, proc_args=[]):
if number > 1:
initial_cluster = ",".join([ "test-node-{}={}127.0.0.1:{}".format(slot, 'http://', self.internal_port_range_start + slot) for slot in range(0, number)])
proc_args.extend([
'-initial-cluster', initial_cluster,
'-initial-cluster-state', 'new'
])
else:
proc_args.extend([
'-initial-cluster', 'test-node-0=http://127.0.0.1:{}'.format(self.internal_port_range_start),
'-initial-cluster-state', 'new'
])
for i in range(0, number):
self.add_one(i, proc_args)
def stop(self):
log = logging.getLogger()
for key in [k for k in self.processes.keys()]:
self.kill_one(key)
def add_one(self, slot, proc_args=None):
log = logging.getLogger()
directory = tempfile.mkdtemp(
dir=self.base_directory,
prefix='python-etcd.%d-' % slot)
log.debug('Created directory %s' % directory)
client = '%s127.0.0.1:%d' % (self.schema, self.port_range_start + slot)
peer = '%s127.0.0.1:%d' % ('http://', self.internal_port_range_start
+ slot)
daemon_args = [
self.proc_name,
'-data-dir', directory,
'-name', 'test-node-%d' % slot,
'-initial-advertise-peer-urls', peer,
'-listen-peer-urls', peer,
'-advertise-client-urls', client,
'-listen-client-urls', client
]
if proc_args:
daemon_args.extend(proc_args)
daemon = subprocess.Popen(daemon_args)
log.debug('Started %d' % daemon.pid)
log.debug('Params: %s' % daemon_args)
time.sleep(2)
self.processes[slot] = (directory, daemon)
def kill_one(self, slot):
log = logging.getLogger()
data_dir, process = self.processes.pop(slot)
process.kill()
time.sleep(2)
log.debug('Killed etcd pid:%d', process.pid)
shutil.rmtree(data_dir)
log.debug('Removed directory %s' % data_dir)
class TestingCA(object):
@classmethod
def create_test_ca_certificate(cls, cert_path, key_path, cn=None):
k = crypto.PKey()
k.generate_key(crypto.TYPE_RSA, 4096)
cert = crypto.X509()
if not cn:
serial = uuid.uuid4().int
else:
md5_hash = hashlib.md5()
md5_hash.update(cn.encode('utf-8'))
serial = int(md5_hash.hexdigest(), 36)
cert.get_subject().CN = cn
cert.get_subject().C = "ES"
cert.get_subject().ST = "State"
cert.get_subject().L = "City"
cert.get_subject().O = "Organization"
cert.get_subject().OU = "Organizational Unit"
cert.set_serial_number(serial)
cert.gmtime_adj_notBefore(0)
cert.gmtime_adj_notAfter(315360000)
cert.set_issuer(cert.get_subject())
cert.set_pubkey(k)
cert.add_extensions([
crypto.X509Extension("basicConstraints".encode('ascii'), False,
"CA:TRUE".encode('ascii')),
crypto.X509Extension("keyUsage".encode('ascii'), False,
"keyCertSign, cRLSign".encode('ascii')),
crypto.X509Extension("subjectKeyIdentifier".encode('ascii'), False,
"hash".encode('ascii'),
subject=cert),
])
cert.add_extensions([
crypto.X509Extension(
"authorityKeyIdentifier".encode('ascii'), False,
"keyid:always".encode('ascii'), issuer=cert)
])
cert.sign(k, 'sha1')
with open(cert_path, 'w') as f:
f.write(crypto.dump_certificate(crypto.FILETYPE_PEM, cert)
.decode('utf-8'))
with open(key_path, 'w') as f:
f.write(crypto.dump_privatekey(crypto.FILETYPE_PEM, k)
.decode('utf-8'))
return cert, k
@classmethod
def create_test_certificate(cls, ca, ca_key, cert_path, key_path, cn=None):
k = crypto.PKey()
k.generate_key(crypto.TYPE_RSA, 4096)
cert = crypto.X509()
if not cn:
serial = uuid.uuid4().int
else:
md5_hash = hashlib.md5()
md5_hash.update(cn.encode('utf-8'))
serial = int(md5_hash.hexdigest(), 36)
cert.get_subject().CN = cn
cert.get_subject().C = "ES"
cert.get_subject().ST = "State"
cert.get_subject().L = "City"
cert.get_subject().O = "Organization"
cert.get_subject().OU = "Organizational Unit"
cert.add_extensions([
crypto.X509Extension(
"keyUsage".encode('ascii'),
False,
"nonRepudiation,digitalSignature,keyEncipherment".encode('ascii')),
crypto.X509Extension(
"extendedKeyUsage".encode('ascii'),
False,
"clientAuth,serverAuth".encode('ascii')),
crypto.X509Extension(
"subjectAltName".encode('ascii'),
False,
"IP: 127.0.0.1".encode('ascii')),
])
cert.gmtime_adj_notBefore(0)
cert.gmtime_adj_notAfter(315360000)
cert.set_issuer(ca.get_subject())
cert.set_pubkey(k)
cert.set_serial_number(serial)
cert.sign(ca_key, 'sha1')
with open(cert_path, 'w') as f:
f.write(crypto.dump_certificate(crypto.FILETYPE_PEM, cert)
.decode('utf-8'))
with open(key_path, 'w') as f:
f.write(crypto.dump_privatekey(crypto.FILETYPE_PEM, k)
.decode('utf-8'))
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