1. Python作业
HAproxy配置文件操作 -> 完成
def fetch(backend):
result = []
with open('ha.conf', 'r', encoding='utf-8') as f:
flag = False
for line in f:
if line.strip().startswith('backend') and line.strip() == 'backend ' + backend:
flag = True
continue
if flag and line.strip().startswith('backend'):
flag = False
break
if flag and line.strip():
result.append(line.strip())
return result
def add(backend, record):
record_list = fetch(backend)
#print(record_list)
if not record_list: # backend不存在
with open('ha.conf', 'r') as old, open('new.conf', 'w') as new:
for line in old:
new.write(line)
new.write('
backend ' + backend + '
')
new.write(' ' * 8 + record + '
')
else: # backend存在
if record in record_list: # record已经存在
import shutil
shutil.copy('ha.conf', 'new.conf')
else: # backend存在，record不存在
rd_list = record.split()
ip_str = ' '.join(rd_list[1:3])
#print(ip_str)
record_str = ''.join(record_list)
#print(record_str)
if ip_str not in record_str: # backend存在，record中sever中ip不存在：
#print(record_list)
record_list.append(record)
with open('ha.conf', 'r') as old, open('new.conf', 'w') as new:
flag = False
for line in old:
if line.strip().startswith('backend') and line.strip() == 'backend ' + backend:
flag = True
new.write('
' + line)
for new_line in record_list:
new.write(' ' * 8 + new_line + '
')
new.write('
')
continue
if flag == True and line.strip().startswith('backend'):
flag = False
new.write(line)
continue
if not flag and line.strip():
new.write(line)
else: # backend存在，record中sever中ip存在：
#print(record_list)
for i in record_list:
if ip_str in i:
record_list.remove(i)
record_list.append(record)
with open('ha.conf', 'r') as old, open('new.conf', 'w') as new:
flag = False
for line in old:
if line.strip().startswith('backend') and line.strip() == 'backend ' + backend:
flag = True
new.write('
' + line)
for new_line in record_list:
new.write(' ' * 8 + new_line + '
')
new.write('
')
continue
if flag == True and line.strip().startswith('backend'):
flag = False
new.write(line)
continue
if not flag and line.strip():
new.write(line)
import shutil
shutil.copy('new.conf','ha.conf')
def modify_1(backend, new_backend): # 仅更改backend
record_list = fetch(backend)
if not record_list:
print('backend not exist')
else:
with open('ha.conf', 'r') as old, open('new.conf', 'w') as new:
flag = False
for line in old:
if line.strip().startswith('backend') and line.strip() == 'backend ' + backend:
flag = True
new.write('
backend ' + new_backend + '
')
for new_line in record_list:
new.write(' ' * 8 + new_line + '
')
new.write('
')
continue
if flag == True and line.strip().startswith('backend'):
flag = False
new.write(line)
continue
if not flag and line.strip():
new.write(line)
shutil.copy('new.conf', 'ha.conf')
def modify_2(backend, record, new_backend, new_record): # 更改backend下的record
record_list = fetch(backend)
if not record_list:
print('backend not exist')
elif record not in record_list:
print('record not exist')
else:
for i in record_list:
if record == i:
record_list.remove(i)
record_list.append(new_record)
with open('ha.conf', 'r') as old, open('new.conf', 'w') as new:
flag = False
for line in old:
if line.strip().startswith('backend') and line.strip() == 'backend ' + backend:
flag = True
new.write('
backend ' + new_backend + '
')
for new_line in record_list:
new.write(' ' * 8 + new_line + '
')
new.write('
')
continue
if flag == True and line.strip().startswith('backend'):
flag = False
new.write(line)
continue
if not flag and line.strip():
new.write(line)
shutil.copy('new.conf', 'ha.conf')
def delete(backend, record):
record_list = fetch(backend)
if not record_list:
print('backend not exist')
elif record not in record_list:
print('record not exist')
else:
with open('ha.conf', 'r') as old, open('new.conf', 'w') as new:
if len(record_list) > 1: # 不删backend，只删一项record
for i in record_list:
if i == record:
record_list.remove(i)
flag = False
for line in old:
if line.strip().startswith('backend') and line.strip() == 'backend ' + backend:
flag = True
new.write('
' + line)
for new_line in record_list:
new.write(' ' * 8 + new_line + '
')
new.write('
')
continue
if flag == True and line.strip().startswith('backend'):
flag = False
new.write(line)
continue
if not flag and line.strip():
new.write(line)
else: # backend和record都删
for i in record_list:
if i == record:
record_list.remove(i)
flag = False
for line in old:
if line.strip().startswith('backend') and line.strip() == 'backend ' + backend:
flag = True
#new.write('
' + line)
for new_line in record_list:
new.write(' ' * 8 + new_line + '
')
new.write('
')
continue
if flag == True and line.strip().startswith('backend'):
flag = False
new.write(line)
continue
if not flag and line.strip():
new.write(line)
shutil.copy('new.conf', 'ha.conf')
# bk = 'www.oldboy.org'
# bk2 = 'test.oldboy.org'
# rd = 'server 100.1.7.9 100.1.7.9 weight 20 maxconn 3000'
# rd2 = 'server 100.1.7.1 100.1.7.1 weight 10 maxconn 1000'
#
# modify_2(bk,rd,bk2,rd2)
while(1):
import time
import shutil
shutil.copy('ha.conf', 'ha.backup' + time.strftime('%Y-%m-%d-%H-%M-%S'))
choice = int(input('''
HAproxy配置文件操作：
1、输入backend，显示对应server信息
2、添加backend和server信息
3、修改backend和server信息
4、删除backend和server信息
***************************************
请输入需要选择的操作编号：'''))
if choice == 1:
bk = input('请输入需查询的backend：')
for i in fetch(bk):
print(i)
elif choice == 2:
bk = input('请输入需添加的backend：')
rd = input('请输入需添加的server：')
add(bk,rd)
elif choice == 3:
choice2 = input('''
1、仅修改backend
2、修改backend和server
请选择：
''')
if choice2 == 1:
bk = input('请输入修改前的backend：')
bk2 = input('请输入修改后的backend：')
modify_1(bk, bk2)
elif choice2 == 2:
bk = input('请输入修改前的backend：')
bk2 = input('请输入修改后的backend：')
rd = input('请输入修改前的server：')
rd2 = input('请输入修改后的server：')
modify_2(bk, rd, bk2, rd2)
else:
print('编号输入错误')
elif choice == 4:
bk = input('请输入要删除的backend：')
rd = input('请输入要删除的server：')
delete(bk, rd)
else:
print('编号输入错误')
2. MOOC - 程序设计基础
第3周：程序设计方法基础-2 -> 完成
1）raptor制作流程图
- The Rapid Algorithmic Prototyping Tool for Ordered Reasoning --用于有 序推理的快速算法原型工具
2）自底向上的程序设计方法
3）自顶向下、逐步求精的程序设计方法
4）结构化程序设计方法
5）模块化程序设计方法
6）面向对象程序设计方法
3. MOOC课表
4. Python视频
装饰器学习