distributedSystemLearn/components/apache-seata-2.5.0-incubating-bin/seata-server/script/config-center/nacos/nacos-config.py

#!/usr/bin/env python3
#  -*- coding: UTF-8 -*-
#
# Licensed to the Apache Software Foundation (ASF) under one or more
# contributor license agreements.  See the NOTICE file distributed with
# this work for additional information regarding copyright ownership.
# The ASF licenses this file to You under the Apache License, Version 2.0
# (the "License"); you may not use this file except in compliance with
# the License.  You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
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# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
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import http.client
import sys
import getopt as opts
import urllib.parse
import re


def get_params() -> dict:
    params = {
        '-h': '127.0.0.1',
        '-p': '8848',
        '-t': '',
        '-g': 'SEATA_GROUP',
        '-u': '',
        '-w': ''
    }
    inputs, args = opts.getopt(sys.argv[1:], shortopts='h:p:t:g:u:w:')
    for k, v in inputs:
        params[k] = v
    print(params)
    return params

def error_exit():
    print('python nacos-config.py [-h host] [-p port] [-t tenant] [-g group] [-u username] [-w password]')
    exit()

def get_pair(line: str) -> tuple:
    res = re.match(r"([\.\w]+)=(.*)",line)
    return res.groups() if res is not None else ['','']


headers = {
    'content-type': "application/x-www-form-urlencoded"
}

hasError = False

params = get_params()

url_prefix = f"{params['-h']}:{params['-p']}"
tenant = params['-t']
username = params['-u']
password = params['-w']
group = params['-g']
url_postfix_base = f'/nacos/v1/cs/configs?group={group}&tenant={tenant}'

if username != '' and password != '':
    url_postfix_base += f'&username={username}&password={password}'

if url_prefix == ':':
    error_exit()

for line in open('../config.txt'):
    pair = get_pair(line.rstrip("\n"))
    if len(pair) < 2 or pair[0] == '' or pair[0].startswith("#") or pair[1] == '':
        continue
    url_postfix = url_postfix_base + f'&dataId={urllib.parse.quote(str(pair[0]))}&content={urllib.parse.quote(str(pair[1])).strip()}'
    conn = http.client.HTTPConnection(url_prefix)
    conn.request("POST", url_postfix, headers=headers)
    res = conn.getresponse()
    data = res.read().decode("utf-8")
    if data != "true":
        hasError = True
    print(f"{pair[0]}={pair[1]} {data if hasError else 'success'}")

if hasError:
    print("init nacos config fail.")
else:
    print("init nacos config finished, please start seata-server.")