Python: 业务服务监控

import difflib

text1 = '''
This module provides classes and functions for comparing sequences.
including HTML and context and unified diffs.
difflib document v7.4
add string
'''
text1_lines = text1.splitlines()

text2 = '''
This module provides classes and functions for Comparing sequences.
including HTML and context and unified diffs.
difflib document v7.5
'''
text2_lines = text2.splitlines()

# 创建差异对比器
d = difflib.Differ()
diff = d.compare(text1_lines, text2_lines)
print('\n'.join(list(diff)))

def generate_diff_html(file1, file2, out_file):
    """生成差异对比的 HTML 报告"""
    with open(file1, 'r') as f1, open(file2, 'r') as f2:
        text1 = f1.readlines()
        text2 = f2.readlines()

    d = difflib.HtmlDiff()
    html = d.make_file(text1, text2)

    with open(out_file, 'w') as f:
        f.write(html)

def monitor_nginx_config():
    """监控 Nginx 配置文件变化"""
    config_file = '/etc/nginx/nginx.conf'
    backup_file = '/tmp/nginx.conf.bak'
    
    if os.path.exists(backup_file):
        generate_diff_html(backup_file, config_file, 'nginx_diff.html')
    
    # 更新备份
    shutil.copy2(config_file, backup_file)