Python_作业_Day_1

对haproxy文件做增删改查操作

global
        log 127.0.0.1 local2
        daemon
        maxconn 256
        log 127.0.0.1 local2 info

defaults
        log global
        mode http
        timeout connect 5000ms
        timeout client 50000ms
        timeout server 50000ms
        option  dontlognull

listen stats :8888
        stats enable
        stats uri       /admin
        stats auth      admin:1234

frontend oldboy
        bind 0.0.0.0:80
        option httplog
        option httpclose
        option  forwardfor
        log global
        acl www hdr_reg(host) -i www.oldboy.org
        use_backend www.oldboy.org if www

backend www.oldboy.org
        server 100.1.7.9 100.1.7.9 weight 20 maxconn 3000
        server 100.1.7.10 100.1.7.10 weight 10 maxconn 2000
        server 100.1.7.19 100.1.7.19 weight 10 maxconn 2

frontend mysql
        bind *:3306
        mode tcp
        log global
        default_backend mysqlserver

backend mysqlserver
        server mysql1 10.1.1.110:3306 weight 20 maxconn 300
        server mysql2 10.1.1.120:3306 weight 10 maxconn 200

# 代码
def new_list(all_list, l, temp, y):

    # 生成新的内容写入文件
    L = all_list[0:temp + 1] + l + all_list[y:]

    write_file(L)

def func_list(L):

    index, list_main, l = 0, [], []

    # 显示主目录，并存入list_main中
    for i in L:

        if i.startswith(' ') or len(i) == 0 or i == '\n':

            continue

        else:

            index += 1

            print('%s、%s' % (index, i))

            list_main.append(i)

    num = int(input('请输入操作代码:>>').strip())

    if num not in range(1, 8):  # 输入不在1-7间，需要重新输入

        num = int(input('请输入操作代码1-7:>>').strip())

    temp = L.index(list_main[num - 1])

    # 查出指定主目录下的子项并存入l
    for y in range(temp + 1, len(L)):

        if L[y].startswith(' ' * 8):

            l.append(L[y])

        else:

            break

    return l, temp, y


#删除
def delete(all_list):

    l, temp, y = func_list(all_list)

    del_num = int(input('请输入操作代码:>>').strip())

    # 删除掉定数字项
    if len(l):

        l.pop(del_num - 1)

    new_list(all_list, l, temp, y)

#修改
def revise(all_list):

    l, temp, y = func_list(all_list)

    re_num = int(input('请输入操作代码:>>').strip())

    re_str = input('请输入操作值:>>').strip()

    re_str = ' ' * 8 + re_str + '\n'

    # 修改指定项内容
    if len(l):

        l[re_num -1] = re_str

    new_list(all_list, l, temp, y)


#增加
def add(all_list):

    l, temp, y = func_list(all_list)

    add_str = input('添加的内容>>').strip()

    s = ' ' * 8 + add_str + '\n'

    # 增加内容
    if s not in l:

        l.append(s)

    new_list(all_list, l, temp, y)


#查询
def reach(all_list):

    l, temp, y = func_list(all_list)

    q = 0

    # 显示指定内容
    for x in l:

        q += 1

        print('%s、%s' %(q, x.strip()))


# 写入文件
def write_file(L):

    with open('h1.txt', 'w') as f:

        for line in L:

            f.write(line)


if __name__ == '__main__':

    with open('h.txt', 'r') as f:  # 读取原配置文件

        all_list = f.readlines()

    while True:
        print('1、查看')

        print('2、添加')

        print('3、删除')

        print('4、修改')

        print('5、退出')

        num = input('请输入操作代码:>>').strip()

        if num not in['1', '2', '3', '4', '5']:  # 输入不在1-5间，需要重新输入

            continue


        if num == '1': # 查看

            reach(all_list)

            break

        elif num == '2': # 添加

            add(all_list)

            break

        elif num == '3': # 删除

            delete(all_list)

            break

        elif num == '4': # 修改

            revise(all_list)

            break

        else: # 退出

            break