etcd v2 版本数据备份恢复脚本

import requests
import json
import sys
 
 
action = sys.argv[1]
etcdaddr = sys.argv[2]
 
 
def backup_data():
    url = f"{etcdaddr}/v2/keys/?recursive=true"
    response = requests.get(url)
    if response.status_code == 200:
        data = response.json()
        if 'node' in data:
            with open('/tmp/x', 'w') as file:
                json.dump(data['node'], file)
            print("Backup completed.")
        else:
            print("No data found in etcd.")
    else:
        print("Failed to backup data.")
 
 
def store_data():
    try:
        with open('/tmp/x', 'r') as file:
            data = json.load(file)
        store_node(data)
        print("Store completed.")
    except FileNotFoundError:
        print("Backup file not found. Please run 'backup' action first.")
        sys.exit(1)
 
 
def store_node(node):
    if 'dir' in node and node['dir'] and 'nodes' in node:
        for item in node['nodes']:
            if 'dir' in item and item['dir']:
                store_node(item)
            else:
                if 'value' in item:
                    key = item['key']
                    value = item['value']
                    if value is not None:
                        if isinstance(value, str):
                            value_str = value
                        else:
                            value_str = json.dumps(value)
                        params = {'value': value_str}  # 使用params传递请求参数
                        requests.put(f"{etcdaddr}/v2/keys{key}", params=params)
 
 
if action == "backup":
    backup_data()
elif action == "store":
    store_data()
else:
    print("Invalid action. Please specify 'backup' or 'store'.")
    sys.exit(1)