def host_executor(q, host, pkey, command):
exit_code, out, now = -1, None, time.time()
try:
cli = SSH(host.hostname, host.port, host.username, pkey=pkey)
exit_code, out = cli.exec_command(command)
finally:
q.put((host.id, exit_code, round(time.time() - now, 3), out.decode() if out else None))
def host_executor(host, pkey, command):
try:
cli = SSH(host.hostname, host.port, host.username, pkey=pkey)
exit_code, out = cli.exec_command(command)
return exit_code == 0, out.decode()
except Exception as e:
return False, f'异常信息：{e}'
def valid_ssh(hostname, port, username, password, with_expect=True):
try:
private_key = AppSetting.get('private_key') #定义私钥公钥
public_key = AppSetting.get('public_key')
except KeyError: #错误检查
private_key, public_key = SSH.generate_key()
AppSetting.set('private_key', private_key, 'ssh private key')
AppSetting.set('public_key', public_key, 'ssh public key')
cli = SSH(hostname, port, username, private_key)
if password:
_cli = SSH(hostname, port, username, password=str(password))
code, out = _cli.exec_command('mkdir -p -m 700 ~/.ssh && \
echo %r >> ~/.ssh/authorized_keys && \
chmod 600 ~/.ssh/authorized_keys' % public_key)
if code != 0:
raise Exception(f'add public key error: {out!r}')
try:
cli.ping()
except BadAuthenticationType:
if with_expect:
raise TypeError('该主机不支持密钥认证，请参考官方文档，错误代码：E01')
return False
except AuthenticationException:
if password and with_expect:
raise ValueError('密钥认证失败，请参考官方文档，错误代码：E02')
return False
return True
def host_executor(host, pkey, command):
try:
cli = SSH(host.hostname, host.port, host.username, pkey=pkey)
exit_code, out = cli.exec_command(command)
if exit_code == 0:
return True, out or '检测状态正常'
else:
return False, out or f'退出状态码：{exit_code}'
except Exception as e:
return False, f'异常信息：{e}'
class Job:
def __init__(self,
hostname,
port,
username,
pkey,
command,
token=None,
**kwargs):
self.ssh_cli = SSH(hostname, port, username, pkey)
self.key = f'{hostname}:{port}'
self.command = command
self.token = token
self.rds_cli = None
def _send(self, message, with_expire=False):
if self.rds_cli is None:
self.rds_cli = get_redis_connection()
self.rds_cli.lpush(self.token, json.dumps(message))
if with_expire:
self.rds_cli.expire(self.token, 300)
def send(self, data):
message = {'key': self.key, 'type': 'info', 'data': data}
self._send(message)
def send_system(self, data):
message = {'key': self.key, 'type': 'system', 'data': data}
self._send(message)
def send_error(self, data):
message = {'key': self.key, 'type': 'error', 'data': data}
self._send(message)
def send_status(self, code):
message = {'key': self.key, 'status': code}
self._send(message, True)
def run(self):
if not self.token:
return self.ssh_cli.exec_command(self.command)
self.send_system('### Executing')
code = -1
try:
for code, out in self.ssh_cli.exec_command_with_stream(
self.command):
self.send(out)
except socket.timeout:
code = 130
self.send_error('### Time out')
except Exception as e:
code = 131
self.send_error(f'{e}')
finally:
self.send_status(code)
def host_executor(q, host, pkey, command):
exit_code, out, now = -1, None, time.time()
try:
cli = SSH(host.hostname, host.port, host.username, pkey=pkey)
exit_code, out = cli.exec_command(command)
out = out.decode() if out else None
except AuthenticationException:
out = 'ssh authentication fail'
except socket.error as e:
out = f'network error {e}'
finally:
q.put((host.id, exit_code, round(time.time() - now, 3), out))
def valid_ssh(hostname, port, username, password):
try:
private_key = AppSetting.get('private_key')
public_key = AppSetting.get('public_key')
except KeyError:
private_key, public_key = SSH.generate_key()
AppSetting.set('private_key', private_key, 'ssh private key')
AppSetting.set('public_key', public_key, 'ssh public key')
if password:
cli = SSH(hostname, port, username, password=str(password))
code, out = cli.exec_command('mkdir -p -m 700 ~/.ssh && \
echo %r >> ~/.ssh/authorized_keys && \
chmod 600 ~/.ssh/authorized_keys' % public_key)
if code != 0:
raise Exception(f'add public key error: {out!r}')
else:
cli = SSH(hostname, port, username, private_key)
try:
cli.ping()
except AuthenticationException:
return False
return True
class Job:
def __init__(self,
key,
name,
hostname,
port,
username,
pkey,
command,
interpreter,
token=None):
self.ssh = SSH(hostname, port, username, pkey)
self.key = key
self.command = self._handle_command(command, interpreter)
self.token = token
self.rds_cli = None
self.env = dict(SPUG_HOST_ID=str(self.key),
SPUG_HOST_NAME=name,
SPUG_HOST_HOSTNAME=hostname,
SPUG_SSH_PORT=str(port),
SPUG_SSH_USERNAME=username,
SPUG_INTERPRETER=interpreter)
def _send(self, message, with_expire=False):
if self.rds_cli is None:
self.rds_cli = get_redis_connection()
self.rds_cli.lpush(self.token, json.dumps(message))
if with_expire:
self.rds_cli.expire(self.token, 300)
def _handle_command(self, command, interpreter):
if interpreter == 'python':
attach = 'INTERPRETER=python\ncommand -v python3 &> /dev/null && INTERPRETER=python3'
return f'{attach}\n$INTERPRETER << EOF\n# -*- coding: UTF-8 -*-\n{command}\nEOF'
return command
def send(self, data):
message = {'key': self.key, 'data': data}
self._send(message)
def send_status(self, code):
message = {'key': self.key, 'status': code}
self._send(message, True)
def run(self):
if not self.token:
with self.ssh:
return self.ssh.exec_command(self.command, self.env)
self.send('\r\n\x1b[36m### Executing ...\x1b[0m\r\n')
code = -1
try:
with self.ssh:
for code, out in self.ssh.exec_command_with_stream(
self.command, self.env):
self.send(out)
except socket.timeout:
code = 130
self.send('\r\n\x1b[31m### Time out\x1b[0m')
except Exception as e:
code = 131
self.send(f'\r\n\x1b[31m### Exception {e}\x1b[0m')
raise e
finally:
self.send_status(code)