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本节主要内容：
1.pymsql的使用
2.SQLAchemy使用
3.Paramiko
4.通过ORM功能使用和Paramiko的使用实现一个简单的堡垒机模型。
pymsql是Python中操作MySQL的模块，其使用方法和MySQLdb几乎相同。
下载安装：
pip3 install pymysql
使用
1、执行SQL
# -*- coding:utf-8 -*- import pymysql # 创建连接 conn = pymysql.connect(host=‘127.0.0.1‘, port=3306, user=‘root‘, passwd=‘123‘, db=‘t1‘) # 创建游标 cursor = conn.cursor() # 执行SQL，并返回收影响行数 effect_row = cursor.execute("update hosts set host = ‘1.1.1.2‘") # 执行SQL，并返回受影响行数 #effect_row = cursor.execute("update hosts set host = ‘1.1.1.2‘ where nid > %s", (1,)) # 执行SQL，并返回受影响行数 #effect_row = cursor.executemany("insert into hosts(host,color_id)values(%s,%s)", [("1.1.1.11",1),("1.1.1.11",2)]) # 提交，不然无法保存新建或者修改的数据 conn.commit() # 关闭游标 cursor.close() # 关闭连接 conn.close()
2、获取新创建数据自增ID
#!/usr/bin/env python # -*- coding:utf-8 -*- import pymysql conn = pymysql.connect(host=‘127.0.0.1‘, port=3306, user=‘root‘, passwd=‘123‘, db=‘t1‘) cursor = conn.cursor() cursor.executemany("insert into hosts(host,color_id)values(%s,%s)", [("1.1.1.11",1),("1.1.1.11",2)]) conn.commit() cursor.close() conn.close() # 获取最新自增ID new_id = cursor.lastrowid
3、获取查询数据
#!/usr/bin/env python # -*- coding:utf-8 -*- import pymysql conn = pymysql.connect(host=‘127.0.0.1‘, port=3306, user=‘root‘, passwd=‘123‘, db=‘t1‘) cursor = conn.cursor() cursor.execute("select * from hosts") # 获取第一行数据 row_1 = cursor.fetchone() # 获取前n行数据 # row_2 = cursor.fetchmany(3) # 获取所有数据 # row_3 = cursor.fetchall() conn.commit() cursor.close() conn.close()
注：在fetch数据时按照顺序进行，可以使用cursor.scroll(num,mode)来移动游标位置，如：
4、fetch数据类型
关于默认获取的数据是元祖类型，如果想要或者字典类型的数据，即：
#!/usr/bin/env python # -*- coding:utf-8 -*- import pymysql conn = pymysql.connect(host=‘127.0.0.1‘, port=3306, user=‘root‘, passwd=‘123‘, db=‘t1‘) # 游标设置为字典类型 cursor = conn.cursor(cursor=pymysql.cursors.DictCursor) r = cursor.execute("call p1()") result = cursor.fetchone() conn.commit() cursor.close() conn.close() SQLAchemy
SQLAlchemy是Python编程语言下的一款ORM框架，该框架建立在数据库API之上，使用关系对象映射进行数据库操作，简言之便是：将对象转换成SQL，然后使用数据API执行SQL并获取执行结果。
SQLAlchemy本身无法操作数据库，其必须以来pymsql等第三方插件，Dialect用于和数据API进行交流，根据配置文件的不同调用不同的数据库API，从而实现对数据库的操作，如：
MySQL-Python mysql+mysqldb://<user>:<password>@<host>[:<port>]/<dbname> pymysql mysql+pymysql://<username>:<password>@<host>/<dbname>[?<options>] MySQL-Connector mysql+mysqlconnector://<user>:<password>@<host>[:<port>]/<dbname> cx_Oracle oracle+cx_oracle://user:pass@host:port/dbname[?key=value&key=value...] 更多详见：http://docs.sqlalchemy.org/en/latest/dialects/index.html
使用 Engine/ConnectionPooling/Dialect 进行数据库操作，Engine使用ConnectionPooling连接数据库，然后再通过Dialect执行SQL语句。
#!/usr/bin/env python # -*- coding:utf-8 -*- from sqlalchemy import create_engine engine = create_engine("mysql+pymysql://root:123@127.0.0.1:3306/t1", max_overflow=5) # 执行SQL # cur = engine.execute( # "INSERT INTO hosts (host, color_id) VALUES (‘1.1.1.22‘, 3)" # ) # 新插入行自增ID # cur.lastrowid # 执行SQL # cur = engine.execute( # "INSERT INTO hosts (host, color_id) VALUES(%s, %s)",[(‘1.1.1.22‘, 3),(‘1.1.1.221‘, 3),] # ) # 执行SQL # cur = engine.execute( # "INSERT INTO hosts (host, color_id) VALUES (%(host)s, %(color_id)s)", # host=‘1.1.1.99‘, color_id=3 # ) # 执行SQL # cur = engine.execute(‘select * from hosts‘) # 获取第一行数据 # cur.fetchone() # 获取第n行数据 # cur.fetchmany(3) # 获取所有数据 # cur.fetchall()
使用 ORM/Schema Type/SQL Expression Language/Engine/ConnectionPooling/Dialect 所有组件对数据进行操作。根据类创建对象，对象转换成SQL，执行SQL。
1、创建表
#!/usr/bin/env python # -*- coding:utf-8 -*- from sqlalchemy.ext.declarative import declarative_base from sqlalchemy import Column, Integer, String, ForeignKey, UniqueConstraint, Index from sqlalchemy.orm import sessionmaker, relationship from sqlalchemy import create_engine engine = create_engine("mysql+pymysql://root:123@127.0.0.1:3306/t1", max_overflow=5) Base = declarative_base() # 创建单表 class Users(Base): __tablename__ = ‘users‘ id = Column(Integer, primary_key=True) name = Column(String(32)) extra = Column(String(16)) __table_args__ = ( UniqueConstraint(‘id‘, ‘name‘, name=‘uix_id_name‘), Index(‘ix_id_name‘, ‘name‘, ‘extra‘), ) # 一对多 class Favor(Base): __tablename__ = ‘favor‘ nid = Column(Integer, primary_key=True) caption = Column(String(50), default=‘red‘, unique=True) class Person(Base): __tablename__ = ‘person‘ nid = Column(Integer, primary_key=True) name = Column(String(32), index=True, nullable=True) favor_id = Column(Integer, ForeignKey("favor.nid")) # 多对多 class Group(Base): __tablename__ = ‘group‘ id = Column(Integer, primary_key=True) name = Column(String(64), unique=True, nullable=False) port = Column(Integer, default=22) class Server(Base): __tablename__ = ‘server‘ id = Column(Integer, primary_key=True, autoincrement=True) hostname = Column(String(64), unique=True, nullable=False) class ServerToGroup(Base): __tablename__ = ‘servertogroup‘ nid = Column(Integer, primary_key=True, autoincrement=True) server_id = Column(Integer, ForeignKey(‘server.id‘)) group_id = Column(Integer, ForeignKey(‘group.id‘)) def init_db(): Base.metadata.create_all(engine) def drop_db(): Base.metadata.drop_all(engine)
ForeignKeyConstraint([‘other_id‘], [‘othertable.other_id‘]),
2、操作表
#!/usr/bin/env python # -*- coding:utf-8 -*- from sqlalchemy.ext.declarative import declarative_base from sqlalchemy import Column, Integer, String, ForeignKey, UniqueConstraint, Index from sqlalchemy.orm import sessionmaker, relationship from sqlalchemy import create_engine engine = create_engine("mysql+pymysql://root:123@127.0.0.1:3306/t1", max_overflow=5) Base = declarative_base() # 创建单表 class Users(Base): __tablename__ = ‘users‘ id = Column(Integer, primary_key=True) name = Column(String(32)) extra = Column(String(16)) __table_args__ = ( UniqueConstraint(‘id‘, ‘name‘, name=‘uix_id_name‘), Index(‘ix_id_name‘, ‘name‘, ‘extra‘), ) def __repr__(self): return "%s-%s" %(self.id, self.name) # 一对多 class Favor(Base): __tablename__ = ‘favor‘ nid = Column(Integer, primary_key=True) caption = Column(String(50), default=‘red‘, unique=True) def __repr__(self): return "%s-%s" %(self.nid, self.caption) class Person(Base): __tablename__ = ‘person‘ nid = Column(Integer, primary_key=True) name = Column(String(32), index=True, nullable=True) favor_id = Column(Integer, ForeignKey("favor.nid")) # 与生成表结构无关，仅用于查询方便 favor = relationship("Favor", backref=‘pers‘) # 多对多 class ServerToGroup(Base): __tablename__ = ‘servertogroup‘ nid = Column(Integer, primary_key=True, autoincrement=True) server_id = Column(Integer, ForeignKey(‘server.id‘)) group_id = Column(Integer, ForeignKey(‘group.id‘)) group = relationship("Group", backref=‘s2g‘) server = relationship("Server", backref=‘s2g‘) class Group(Base): __tablename__ = ‘group‘ id = Column(Integer, primary_key=True) name = Column(String(64), unique=True, nullable=False) port = Column(Integer, default=22) # group = relationship(‘Group‘,secondary=ServerToGroup,backref=‘host_list‘) class Server(Base): __tablename__ = ‘server‘ id = Column(Integer, primary_key=True, autoincrement=True) hostname = Column(String(64), unique=True, nullable=False) def init_db(): Base.metadata.create_all(engine) def drop_db(): Base.metadata.drop_all(engine) Session = sessionmaker(bind=engine) session = Session() 表结构+连接数据库
obj = Users(name="alex0", extra=‘sb‘) session.add(obj) session.add_all([ Users(name="alex1", extra=‘sb‘), Users(name="alex2", extra=‘sb‘), ]) session.commit()
session.query(Users).filter(Users.id > 2).delete()
session.commit()
session.query(Users).filter(Users.id > 2).update({"name" : "099"})
session.query(Users).filter(Users.id > 2).update({Users.name: Users.name + "099"}, synchronize_session=False)
session.query(Users).filter(Users.id > 2).update({"num": Users.num + 1}, synchronize_session="evaluate")
session.commit()
ret = session.query(Users).all() ret = session.query(Users.name, Users.extra).all() ret = session.query(Users).filter_by(name=‘alex‘).all() ret = session.query(Users).filter_by(name=‘alex‘).first()
# 条件 ret = session.query(Users).filter_by(name=‘alex‘).all() ret = session.query(Users).filter(Users.id > 1, Users.name == ‘eric‘).all() ret = session.query(Users).filter(Users.id.between(1, 3), Users.name == ‘eric‘).all() ret = session.query(Users).filter(Users.id.in_([1,3,4])).all() ret = session.query(Users).filter(~Users.id.in_([1,3,4])).all() ret = session.query(Users).filter(Users.id.in_(session.query(Users.id).filter_by(name=‘eric‘))).all() from sqlalchemy import and_, or_ ret = session.query(Users).filter(and_(Users.id > 3, Users.name == ‘eric‘)).all() ret = session.query(Users).filter(or_(Users.id < 2, Users.name == ‘eric‘)).all() ret = session.query(Users).filter( or_( Users.id < 2, and_(Users.name == ‘eric‘, Users.id > 3), Users.extra != "" )).all() # 通配符 ret = session.query(Users).filter(Users.name.like(‘e%‘)).all() ret = session.query(Users).filter(~Users.name.like(‘e%‘)).all() # 限制 ret = session.query(Users)[1:2] # 排序 ret = session.query(Users).order_by(Users.name.desc()).all() ret = session.query(Users).order_by(Users.name.desc(), Users.id.asc()).all() # 分组 from sqlalchemy.sql import func ret = session.query(Users).group_by(Users.extra).all() ret = session.query( func.max(Users.id), func.sum(Users.id), func.min(Users.id)).group_by(Users.name).all() ret = session.query( func.max(Users.id), func.sum(Users.id), func.min(Users.id)).group_by(Users.name).having(func.min(Users.id) >2).all() # 连表 ret = session.query(Users, Favor).filter(Users.id == Favor.nid).all() ret = session.query(Person).join(Favor).all() ret = session.query(Person).join(Favor, isouter=True).all() # 组合 q1 = session.query(Users.name).filter(Users.id > 2) q2 = session.query(Favor.caption).filter(Favor.nid < 2) ret = q1.union(q2).all() q1 = session.query(Users.name).filter(Users.id > 2) q2 = session.query(Favor.caption).filter(Favor.nid < 2) ret = q1.union_all(q2).all()
实例：表结构操作
#!/usr/bin/env python # -*- coding:utf-8 -*- from sqlalchemy import create_engine,and_,or_,func,Table from sqlalchemy.ext.declarative import declarative_base from sqlalchemy import Column, Integer, String,ForeignKey,UniqueConstraint,DateTime from sqlalchemy.orm import sessionmaker,relationship Base = declarative_base() #生成一个SqlORM 基类 # 服务器账号和组 # HostUser2Group = Table(‘hostuser_2_group‘,Base.metadata, # Column(‘hostuser_id‘,ForeignKey(‘host_user.id‘),primary_key=True), # Column(‘group_id‘,ForeignKey(‘group.id‘),primary_key=True), # ) # 用户和组关系表，用户可以属于多个组，一个组可以有多个人 UserProfile2Group = Table(‘userprofile_2_group‘,Base.metadata, Column(‘userprofile_id‘,ForeignKey(‘user_profile.id‘),primary_key=True), Column(‘group_id‘,ForeignKey(‘group.id‘),primary_key=True), ) # 程序登陆用户和服务器账户，一个人可以有多个服务器账号，一个服务器账号可以给多个人用 UserProfile2HostUser= Table(‘userprofile_2_hostuser‘,Base.metadata, Column(‘userprofile_id‘,ForeignKey(‘user_profile.id‘),primary_key=True), Column(‘hostuser_id‘,ForeignKey(‘host_user.id‘),primary_key=True), ) class Host(Base): __tablename__=‘host‘ id = Column(Integer,primary_key=True,autoincrement=True) hostname = Column(String(64),unique=True,nullable=False) ip_addr = Column(String(128),unique=True,nullable=False) port = Column(Integer,default=22) def __repr__(self): return "<id=%s,hostname=%s, ip_addr=%s>" %(self.id, self.hostname, self.ip_addr) class HostUser(Base): __tablename__ = ‘host_user‘ id = Column(Integer,primary_key=True) AuthTypes = [ (u‘ssh-passwd‘,u‘SSH/Password‘), (u‘ssh-key‘,u‘SSH/KEY‘), ] # auth_type = Column(ChoiceType(AuthTypes)) auth_type = Column(String(64)) username = Column(String(64),unique=True,nullable=False) password = Column(String(255)) host_id = Column(Integer,ForeignKey(‘host.id‘)) # groups = relationship(‘Group‘, # secondary=HostUser2Group, # backref=‘host_list‘) __table_args__ = (UniqueConstraint(‘host_id‘,‘username‘, name=‘_host_username_uc‘),) def __repr__(self): return "<id=%s,name=%s>" %(self.id,self.username) class Group(Base): __tablename__ = ‘group‘ id = Column(Integer,primary_key=True) name = Column(String(64),unique=True,nullable=False) def __repr__(self): return "<id=%s,name=%s>" %(self.id,self.name) class UserProfile(Base): __tablename__ = ‘user_profile‘ id = Column(Integer,primary_key=True) username = Column(String(64),unique=True,nullable=False) password = Column(String(255),nullable=False) # host_list = relationship(‘HostUser‘, # secondary=UserProfile2HostUser, # backref=‘userprofiles‘) # groups = relationship(‘Group‘, # secondary=UserProfile2Group, # backref=‘userprofiles‘) def __repr__(self): return "<id=%s,name=%s>" %(self.id,self.username) class AuditLog(Base): __tablename__ = ‘audit_log‘ id = Column(Integer,primary_key=True) userprofile_id = Column(Integer,ForeignKey(‘user_profile.id‘)) hostuser_id = Column(Integer,ForeignKey(‘host_user.id‘)) action_choices2 = [ (u‘cmd‘,u‘CMD‘), (u‘login‘,u‘Login‘), (u‘logout‘,u‘Logout‘), ] action_type = Column(ChoiceType(action_choices2)) #action_type = Column(String(64)) cmd = Column(String(255)) date = Column(DateTime) # user_profile = relationship("UserProfile") #bind_host = relationship("BindHost") engine = create_engine("mysql+pymsql://root:123@localhost:3306/stupid_jumpserver",echo=False) Base.metadata.create_all(engine) #创建所有表结构 表结构操作联系
paramiko模块，基于SSH用于连接远程服务器并执行相关操作。
1、安装
pip3 install paramiko
2、使用
SSHClient
用于连接远程服务器并执行基本命令
基于用户名密码连接：
import paramiko # 创建SSH对象 ssh = paramiko.SSHClient() # 允许连接不在know_hosts文件中的主机 ssh.set_missing_host_key_policy(paramiko.AutoAddPolicy()) # 连接服务器 ssh.connect(hostname=‘c1.centos1.com‘, port=22, username=‘zhaowencheng‘, password=‘123456‘) # 执行命令 stdin, stdout, stderr = ssh.exec_command(‘ls‘) # 获取命令结果 result = stdout.read() # 关闭连接 ssh.close()
import paramiko
transport = paramiko.Transport((‘hostname‘, 22))
transport.connect(username=‘zhaowencheng‘, password=‘123456‘)
ssh = paramiko.SSHClient()
ssh._transport = transport
stdin, stdout, stderr = ssh.exec_command(‘df‘)
print stdout.read()
transport.close()
SSHClient 封装 Transport
基于公钥密钥连接：
import paramiko private_key = paramiko.RSAKey.from_private_key_file(‘/home/auto/.ssh/id_rsa‘) # 创建SSH对象 ssh = paramiko.SSHClient() # 允许连接不在know_hosts文件中的主机 ssh.set_missing_host_key_policy(paramiko.AutoAddPolicy()) # 连接服务器 ssh.connect(hostname=‘c1.centos.com‘, port=22, username=‘zhaowencheng‘, key=private_key) # 执行命令 stdin, stdout, stderr = ssh.exec_command(‘ls‘) # 获取命令结果 result = stdout.read() # 关闭连接 ssh.close()
基于公钥密钥连接：
import paramiko private_key = paramiko.RSAKey.from_private_key_file(‘/home/auto/.ssh/id_rsa‘) # 创建SSH对象 ssh = paramiko.SSHClient() # 允许连接不在know_hosts文件中的主机 ssh.set_missing_host_key_policy(paramiko.AutoAddPolicy()) # 连接服务器 ssh.connect(hostname=‘c1.centos.com‘, port=22, username=‘zhaowencheng‘, key=private_key) # 执行命令 stdin, stdout, stderr = ssh.exec_command(‘df‘) # 获取命令结果 result = stdout.read() # 关闭连接 ssh.close()
import paramiko private_key = paramiko.RSAKey.from_private_key_file(‘/home/auto/.ssh/id_rsa‘) transport = paramiko.Transport((‘hostname‘, 22)) transport.connect(username=‘zhaowencheng‘, pkey=private_key) ssh = paramiko.SSHClient() ssh._transport = transport stdin, stdout, stderr = ssh.exec_command(‘df‘) transport.close() SSHClient 封装 Transport
SFTPClient
用于连接远程服务器并执行上传下载
基于用户名密码上传下载：
import paramiko transport = paramiko.Transport((‘hostname‘,22)) transport.connect(username=‘wupeiqi‘,password=‘123‘) sftp = paramiko.SFTPClient.from_transport(transport) # 将location.py 上传至服务器 /tmp/test.py sftp.put(‘/tmp/location.py‘, ‘/tmp/test.py‘) # 将remove_path 下载到本地 local_path sftp.get(‘remove_path‘, ‘local_path‘) transport.close()
基于公钥密钥上传下载：
import paramiko private_key = paramiko.RSAKey.from_private_key_file(‘/home/auto/.ssh/id_rsa‘) transport = paramiko.Transport((‘hostname‘, 22)) transport.connect(username=‘zhaowencheng‘, pkey=private_key ) sftp = paramiko.SFTPClient.from_transport(transport) # 将location.py 上传至服务器 /tmp/test.py sftp.put(‘/tmp/location.py‘, ‘/tmp/test.py‘) # 将remove_path 下载到本地 local_path sftp.get(‘remove_path‘, ‘local_path‘) transport.close()
#!/usr/bin/env python # -*- coding:utf-8 -*- import paramiko import uuid class SSHConnection(object): def __init__(self, host=‘172.16.103.191‘, port=22, username=‘wupeiqi‘,pwd=‘123‘): self.host = host self.port = port self.username = username self.pwd = pwd self.__k = None def create_file(self): file_name = str(uuid.uuid4()) with open(file_name,‘w‘) as f: f.write(‘sb‘) return file_name def run(self): self.connect() self.upload(‘/home/wupeiqi/tttttttttttt.py‘) self.rename(‘/home/wupeiqi/tttttttttttt.py‘, ‘/home/wupeiqi/ooooooooo.py) self.close() def connect(self): transport = paramiko.Transport((self.host,self.port)) transport.connect(username=self.username,password=self.pwd) self.__transport = transport def close(self): self.__transport.close() def upload(self,target_path): # 连接，上传 file_name = self.create_file() sftp = paramiko.SFTPClient.from_transport(self.__transport) # 将location.py 上传至服务器 /tmp/test.py sftp.put(file_name, target_path) def rename(self, old_path, new_path): ssh = paramiko.SSHClient() ssh._transport = self.__transport # 执行命令 cmd = "mv %s %s" % (old_path, new_path,) stdin, stdout, stderr = ssh.exec_command(cmd) # 获取命令结果 result = stdout.read() def cmd(self, command): ssh = paramiko.SSHClient() ssh._transport = self.__transport # 执行命令 stdin, stdout, stderr = ssh.exec_command(command) # 获取命令结果 result = stdout.read() return result ha = SSHConnection() ha.run()
import paramiko import uuid class SSHConnection(object): def __init__(self, host=‘192.168.11.61‘, port=22, username=‘alex‘,pwd=‘alex3714‘): self.host = host self.port = port self.username = username self.pwd = pwd self.__k = None def run(self): self.connect() pass self.close() def connect(self): transport = paramiko.Transport((self.host,self.port)) transport.connect(username=self.username,password=self.pwd) self.__transport = transport def close(self): self.__transport.close() def cmd(self, command): ssh = paramiko.SSHClient() ssh._transport = self.__transport # 执行命令 stdin, stdout, stderr = ssh.exec_command(command) # 获取命令结果 result = stdout.read() return result def upload(self,local_path, target_path): # 连接，上传 sftp = paramiko.SFTPClient.from_transport(self.__transport) # 将location.py 上传至服务器 /tmp/test.py sftp.put(local_path, target_path) ssh = SSHConnection() ssh.connect() r1 = ssh.cmd(‘df‘) ssh.upload(‘s2.py‘, "/home/alex/s7.py") ssh.close()
堡垒机执行流程：
实现过程:
1.基础：
import paramiko import sys import os import socket import select import getpass tran = paramiko.Transport((‘10.211.55.4‘, 22,)) tran.start_client() tran.auth_password(‘wupeiqi‘, ‘123‘) # 打开一个通道 chan = tran.open_session() # 获取一个终端 chan.get_pty() # 激活器 chan.invoke_shell() ######### # 利用sys.stdin,肆意妄为执行操作 # 用户在终端输入内容，并将内容发送至远程服务器 # 远程服务器执行命令，并将结果返回 # 用户终端显示内容 ######### chan.close() tran.close()
up1
import paramiko import sys import os import socket import select import getpass from paramiko.py3compat import u tran = paramiko.Transport((‘10.211.55.4‘, 22,)) tran.start_client() tran.auth_password(‘wupeiqi‘, ‘123‘) # 打开一个通道 chan = tran.open_session() # 获取一个终端 chan.get_pty() # 激活器 chan.invoke_shell() while True: # 监视用户输入和服务器返回数据 # sys.stdin 处理用户输入 # chan 是之前创建的通道，用于接收服务器返回信息 readable, writeable, error = select.select([chan, sys.stdin, ],[],[],1) if chan in readable: try: x = u(chan.recv(1024)) if len(x) == 0: print(‘\r\n*** EOF\r\n‘) break sys.stdout.write(x) sys.stdout.flush() except socket.timeout: pass if sys.stdin in readable: inp = sys.stdin.readline() chan.sendall(inp) chan.close() tran.close()
完整1
#!/usr/bin/env python # -*- coding:utf-8 -*- import paramiko import sys import os import socket import select import getpass from paramiko.py3compat import u default_username = getpass.getuser() username = input(‘Username [%s]: ‘ % default_username) if len(username) == 0: username = default_username hostname = input(‘Hostname: ‘) if len(hostname) == 0: print(‘*** Hostname required.‘) sys.exit(1) tran = paramiko.Transport((hostname, 22,)) tran.start_client() default_auth = "p" auth = input(‘Auth by (p)assword or (r)sa key[%s] ‘ % default_auth) if len(auth) == 0: auth = default_auth if auth == ‘r‘: default_path = os.path.join(os.environ[‘HOME‘], ‘.ssh‘, ‘id_rsa‘) path = input(‘RSA key [%s]: ‘ % default_path) if len(path) == 0: path = default_path try: key = paramiko.RSAKey.from_private_key_file(path) except paramiko.PasswordRequiredException: password = getpass.getpass(‘RSA key password: ‘) key = paramiko.RSAKey.from_private_key_file(path, password) tran.auth_publickey(username, key) else: pw = getpass.getpass(‘Password for %s@%s: ‘ % (username, hostname)) tran.auth_password(username, pw) # 打开一个通道 chan = tran.open_session() # 获取一个终端 chan.get_pty() # 激活器 chan.invoke_shell() while True: # 监视用户输入和服务器返回数据 # sys.stdin 处理用户输入 # chan 是之前创建的通道，用于接收服务器返回信息 readable, writeable, error = select.select([chan, sys.stdin, ],[],[],1) if chan in readable: try: x = u(chan.recv(1024)) if len(x) == 0: print(‘\r\n*** EOF\r\n‘) break sys.stdout.write(x) sys.stdout.flush() except socket.timeout: pass if sys.stdin in readable: inp = sys.stdin.readline() chan.sendall(inp) chan.close() tran.close() 完整示例（一）
up2
import paramiko import sys import os import socket import select import getpass import termios import tty from paramiko.py3compat import u tran = paramiko.Transport((‘10.211.55.4‘, 22,)) tran.start_client() tran.auth_password(‘wupeiqi‘, ‘123‘) # 打开一个通道 chan = tran.open_session() # 获取一个终端 chan.get_pty() # 激活器 chan.invoke_shell() # 获取原tty属性 oldtty = termios.tcgetattr(sys.stdin) try: # 为tty设置新属性 # 默认当前tty设备属性： # 输入一行回车，执行 # CTRL+C 进程退出，遇到特殊字符，特殊处理。 # 这是为原始模式，不认识所有特殊符号 # 放置特殊字符应用在当前终端，如此设置，将所有的用户输入均发送到远程服务器 tty.setraw(sys.stdin.fileno()) chan.settimeout(0.0) while True: # 监视 用户输入 和 远程服务器返回数据（socket） # 阻塞，直到句柄可读 r, w, e = select.select([chan, sys.stdin], [], [], 1) if chan in r: try: x = u(chan.recv(1024)) if len(x) == 0: print(‘\r\n*** EOF\r\n‘) break sys.stdout.write(x) sys.stdout.flush() except socket.timeout: pass if sys.stdin in r: x = sys.stdin.read(1) if len(x) == 0: break chan.send(x) finally: # 重新设置终端属性 termios.tcsetattr(sys.stdin, termios.TCSADRAIN, oldtty) chan.close() tran.close()
完整升级版1
import paramiko import sys import os import socket import select import getpass import termios import tty from paramiko.py3compat import u default_username = getpass.getuser() username = input(‘Username [%s]: ‘ % default_username) if len(username) == 0: username = default_username hostname = input(‘Hostname: ‘) if len(hostname) == 0: print(‘*** Hostname required.‘) sys.exit(1) tran = paramiko.Transport((hostname, 22,)) tran.start_client() default_auth = "p" auth = input(‘Auth by (p)assword or (r)sa key[%s] ‘ % default_auth) if len(auth) == 0: auth = default_auth if auth == ‘r‘: default_path = os.path.join(os.environ[‘HOME‘], ‘.ssh‘, ‘id_rsa‘) path = input(‘RSA key [%s]: ‘ % default_path) if len(path) == 0: path = default_path try: key = paramiko.RSAKey.from_private_key_file(path) except paramiko.PasswordRequiredException: password = getpass.getpass(‘RSA key password: ‘) key = paramiko.RSAKey.from_private_key_file(path, password) tran.auth_publickey(username, key) else: pw = getpass.getpass(‘Password for %s@%s: ‘ % (username, hostname)) tran.auth_password(username, pw) # 打开一个通道 chan = tran.open_session() # 获取一个终端 chan.get_pty() # 激活器 chan.invoke_shell() # 获取原tty属性 oldtty = termios.tcgetattr(sys.stdin) try: # 为tty设置新属性 # 默认当前tty设备属性： # 输入一行回车，执行 # CTRL+C 进程退出，遇到特殊字符，特殊处理。 # 这是为原始模式，不认识所有特殊符号 # 放置特殊字符应用在当前终端，如此设置，将所有的用户输入均发送到远程服务器 tty.setraw(sys.stdin.fileno()) chan.settimeout(0.0) while True: # 监视 用户输入 和 远程服务器返回数据（socket） # 阻塞，直到句柄可读 r, w, e = select.select([chan, sys.stdin], [], [], 1) if chan in r: try: x = u(chan.recv(1024)) if len(x) == 0: print(‘\r\n*** EOF\r\n‘) break sys.stdout.write(x) sys.stdout.flush() except socket.timeout: pass if sys.stdin in r: x = sys.stdin.read(1) if len(x) == 0: break chan.send(x) finally: # 重新设置终端属性 termios.tcsetattr(sys.stdin, termios.TCSADRAIN, oldtty) chan.close() tran.close()
完整升级版2
import paramiko import sys import os import socket import getpass from paramiko.py3compat import u # windows does not have termios... try: import termios import tty has_termios = True except ImportError: has_termios = False def interactive_shell(chan): if has_termios: posix_shell(chan) else: windows_shell(chan) def posix_shell(chan): import select oldtty = termios.tcgetattr(sys.stdin) try: tty.setraw(sys.stdin.fileno()) tty.setcbreak(sys.stdin.fileno()) chan.settimeout(0.0) log = open(‘handle.log‘, ‘a+‘, encoding=‘utf-8‘) flag = False temp_list = [] while True: r, w, e = select.select([chan, sys.stdin], [], []) if chan in r: try: x = u(chan.recv(1024)) if len(x) == 0: sys.stdout.write(‘\r\n*** EOF\r\n‘) break if flag: if x.startswith(‘\r\n‘): pass else: temp_list.append(x) flag = False sys.stdout.write(x) sys.stdout.flush() except socket.timeout: pass if sys.stdin in r: x = sys.stdin.read(1) import json if len(x) == 0: break if x == ‘\t‘: flag = True else: temp_list.append(x) if x == ‘\r‘: log.write(‘‘.join(temp_list)) log.flush() temp_list.clear() chan.send(x) finally: termios.tcsetattr(sys.stdin, termios.TCSADRAIN, oldtty) def windows_shell(chan): import threading sys.stdout.write("Line-buffered terminal emulation. Press F6 or ^Z to send EOF.\r\n\r\n") def writeall(sock): while True: data = sock.recv(256) if not data: sys.stdout.write(‘\r\n*** EOF ***\r\n\r\n‘) sys.stdout.flush() break sys.stdout.write(data) sys.stdout.flush() writer = threading.Thread(target=writeall, args=(chan,)) writer.start() try: while True: d = sys.stdin.read(1) if not d: break chan.send(d) except EOFError: # user hit ^Z or F6 pass def run(): tran = paramiko.Transport((‘10.211.55.4‘, 22,)) tran.start_client() tran.auth_password(‘wupeiqi‘, ‘123‘) # 打开一个通道 chan = tran.open_session() # 获取一个终端 chan.get_pty() # 激活器 chan.invoke_shell() interactive_shell(chan) chan.close() tran.close() if __name__ == ‘__main__‘: run() 打死也不改版本
完整升级版3
import paramiko import sys import os import socket import getpass from paramiko.py3compat import u # windows does not have termios... try: import termios import tty has_termios = True except ImportError: has_termios = False def interactive_shell(chan): if has_termios: posix_shell(chan) else: windows_shell(chan) def posix_shell(chan): import select oldtty = termios.tcgetattr(sys.stdin) try: tty.setraw(sys.stdin.fileno()) tty.setcbreak(sys.stdin.fileno()) chan.settimeout(0.0) log = open(‘handle.log‘, ‘a+‘, encoding=‘utf-8‘) flag = False temp_list = [] while True: r, w, e = select.select([chan, sys.stdin], [], []) if chan in r: try: x = u(chan.recv(1024)) if len(x) == 0: sys.stdout.write(‘\r\n*** EOF\r\n‘) break if flag: if x.startswith(‘\r\n‘): pass else: temp_list.append(x) flag = False sys.stdout.write(x) sys.stdout.flush() except socket.timeout: pass if sys.stdin in r: x = sys.stdin.read(1) import json if len(x) == 0: break if x == ‘\t‘: flag = True else: temp_list.append(x) if x == ‘\r‘: log.write(‘‘.join(temp_list)) log.flush() temp_list.clear() chan.send(x) finally: termios.tcsetattr(sys.stdin, termios.TCSADRAIN, oldtty) def windows_shell(chan): import threading sys.stdout.write("Line-buffered terminal emulation. Press F6 or ^Z to send EOF.\r\n\r\n") def writeall(sock): while True: data = sock.recv(256) if not data: sys.stdout.write(‘\r\n*** EOF ***\r\n\r\n‘) sys.stdout.flush() break sys.stdout.write(data) sys.stdout.flush() writer = threading.Thread(target=writeall, args=(chan,)) writer.start() try: while True: d = sys.stdin.read(1) if not d: break chan.send(d) except EOFError: # user hit ^Z or F6 pass def run(): default_username = getpass.getuser() username = input(‘Username [%s]: ‘ % default_username) if len(username) == 0: username = default_username hostname = input(‘Hostname: ‘) if len(hostname) == 0: print(‘*** Hostname required.‘) sys.exit(1) tran = paramiko.Transport((hostname, 22,)) tran.start_client() default_auth = "p" auth = input(‘Auth by (p)assword or (r)sa key[%s] ‘ % default_auth) if len(auth) == 0: auth = default_auth if auth == ‘r‘: default_path = os.path.join(os.environ[‘HOME‘], ‘.ssh‘, ‘id_rsa‘) path = input(‘RSA key [%s]: ‘ % default_path) if len(path) == 0: path = default_path try: key = paramiko.RSAKey.from_private_key_file(path) except paramiko.PasswordRequiredException: password = getpass.getpass(‘RSA key password: ‘) key = paramiko.RSAKey.from_private_key_file(path, password) tran.auth_publickey(username, key) else: pw = getpass.getpass(‘Password for %s@%s: ‘ % (username, hostname)) tran.auth_password(username, pw) # 打开一个通道 chan = tran.open_session() # 获取一个终端 chan.get_pty() # 激活器 chan.invoke_shell() interactive_shell(chan) chan.close() tran.close() if __name__ == ‘__main__‘: run() 终极
终极版使用效果图：
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原文地址：http://www.cnblogs.com/wenchengxiaopenyou/p/5743018.html
