246 lines
8.1 KiB
Python
246 lines
8.1 KiB
Python
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#!/usr/bin/env python3
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"""
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InfluxDB测试工具
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包含连接测试、权限验证和数据写入功能
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"""
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import datetime
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import json
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import os
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from influxdb_client import InfluxDBClient, Point
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from influxdb_client.client.write_api import SYNCHRONOUS
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def load_config():
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"""从default.json加载配置"""
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config_path = os.path.join(os.path.dirname(__file__), "default.json")
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try:
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with open(config_path, 'r', encoding='utf-8') as f:
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config = json.load(f)
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return config.get('influx', {})
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except Exception as e:
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print(f"❌ 加载配置文件失败: {e}")
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return {}
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def test_connection(config):
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"""测试InfluxDB连接"""
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print("🔍 测试InfluxDB连接...")
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url = config.get('url', '')
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org = config.get('org', '')
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token = config.get('token', '')
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if not all([url, org, token]):
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print("❌ 配置不完整:")
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print(f" URL: {'✓' if url else '❌'}")
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print(f" ORG: {'✓' if org else '❌'}")
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print(f" TOKEN: {'✓' if token else '❌'}")
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return False
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try:
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client = InfluxDBClient(url=url, token=token, org=org)
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health = client.health()
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print(f"✅ 连接成功! 状态: {health.status}")
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# 测试组织访问权限
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try:
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orgs = client.organizations_api().find_organizations()
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org_names = [o.name for o in orgs]
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print(f"✅ 可访问的组织: {org_names}")
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if org not in org_names:
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print(f"⚠️ 警告: 配置的组织 '{org}' 不在可访问列表中")
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except Exception as e:
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print(f"⚠️ 无法获取组织列表: {e}")
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# 测试bucket访问权限
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bucket = config.get('bucket', 'default')
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try:
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buckets = client.buckets_api().find_buckets()
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bucket_names = [b.name for b in buckets.buckets] if buckets.buckets else []
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print(f"✅ 可访问的buckets: {bucket_names}")
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if bucket not in bucket_names:
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print(f"⚠️ 警告: 配置的bucket '{bucket}' 不存在")
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print(f" 建议使用现有bucket或创建新bucket")
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except Exception as e:
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print(f"⚠️ 无法获取bucket列表: {e}")
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client.close()
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return True
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except Exception as e:
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print(f"❌ 连接失败: {e}")
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return False
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def create_bucket_if_not_exists(config):
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"""如果bucket不存在则创建"""
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url = config.get('url', '')
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org = config.get('org', '')
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token = config.get('token', '')
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bucket = config.get('bucket', 'test_bucket')
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try:
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client = InfluxDBClient(url=url, token=token, org=org)
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buckets_api = client.buckets_api()
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# 检查bucket是否存在
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buckets = buckets_api.find_buckets()
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bucket_names = [b.name for b in buckets.buckets] if buckets.buckets else []
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if bucket not in bucket_names:
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print(f"📦 创建bucket: {bucket}")
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try:
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# 获取组织ID
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orgs_api = client.organizations_api()
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org_obj = orgs_api.find_organizations(org=org)
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if not org_obj:
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print(f"❌ 找不到组织: {org}")
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return False
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org_id = org_obj[0].id
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# 创建bucket
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from influxdb_client.domain.bucket import Bucket
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bucket_obj = Bucket(name=bucket, org_id=org_id)
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created_bucket = buckets_api.create_bucket(bucket=bucket_obj)
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print(f"✅ Bucket '{bucket}' 创建成功!")
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return True
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except Exception as e:
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print(f"❌ 创建bucket失败: {e}")
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print(" 请手动在InfluxDB中创建bucket或使用现有bucket")
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return False
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else:
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print(f"✅ Bucket '{bucket}' 已存在")
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return True
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except Exception as e:
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print(f"❌ 检查bucket失败: {e}")
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return False
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finally:
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if 'client' in locals():
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client.close()
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def write_test_data(config):
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"""写入测试数据"""
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url = config.get('url', '')
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org = config.get('org', '')
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token = config.get('token', '')
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bucket = config.get('bucket', 'test_bucket')
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measurement = config.get('measurement', 'experiment_status')
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print(f"📝 写入测试数据到 {bucket}/{measurement}...")
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try:
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client = InfluxDBClient(url=url, token=token, org=org)
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write_api = client.write_api(write_options=SYNCHRONOUS)
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now = datetime.datetime.now()
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# 写入状态变化序列
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points = [
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# 5分钟前: 状态0
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Point(measurement)
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.field("status", "0")
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.field("temperature", 25.0)
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.field("pressure", 1.0)
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.time(now - datetime.timedelta(minutes=5)),
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# 2分钟前: 状态1 (实验开始)
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Point(measurement)
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.field("status", "1")
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.field("temperature", 30.0)
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.field("pressure", 1.2)
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.time(now - datetime.timedelta(minutes=2)),
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# 现在: 状态0 (实验结束)
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Point(measurement)
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.field("status", "0")
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.field("temperature", 28.0)
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.field("pressure", 1.1)
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.time(now)
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]
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for i, point in enumerate(points, 1):
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write_api.write(bucket=bucket, record=point)
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print(f" ✅ 写入数据点 {i}/3")
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print("✅ 测试数据写入成功!")
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# 验证数据
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query_api = client.query_api()
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query = f'''
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from(bucket: "{bucket}")
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|> range(start: -10m)
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|> filter(fn: (r) => r._measurement == "{measurement}")
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|> filter(fn: (r) => r._field == "status")
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'''
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result = query_api.query(query)
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data_points = []
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for table in result:
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for record in table.records:
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data_points.append({
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'time': record.get_time(),
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'value': record.get_value()
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})
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if data_points:
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print(f"✅ 验证成功! 找到 {len(data_points)} 个数据点:")
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for point in data_points[-3:]: # 显示最近3个点
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print(f" {point['time']}: status = {point['value']}")
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else:
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print("⚠️ 未找到写入的数据，可能需要等待几秒钟")
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client.close()
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return True
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except Exception as e:
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print(f"❌ 写入数据失败: {e}")
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return False
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def main():
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print("InfluxDB测试工具")
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print("=" * 50)
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# 加载配置
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config = load_config()
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if not config:
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print("❌ 无法加载配置，请检查default.json文件")
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return
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print("📋 当前配置:")
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print(f" URL: {config.get('url', 'N/A')}")
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print(f" 组织: {config.get('org', 'N/A')}")
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print(f" Token: {config.get('token', 'N/A')[:20]}..." if config.get('token') else " Token: N/A")
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print(f" Bucket: {config.get('bucket', 'N/A')}")
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print(f" Measurement: {config.get('measurement', 'N/A')}")
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print()
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# 测试连接
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if not test_connection(config):
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print("\n❌ 连接测试失败，请检查配置和InfluxDB服务状态")
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return
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print()
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# 创建bucket（如果需要）
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if not create_bucket_if_not_exists(config):
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print("\n⚠️ Bucket检查失败，但继续尝试写入数据...")
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print()
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# 写入测试数据
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if write_test_data(config):
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print("\n🎉 所有测试完成! InfluxDB配置正常")
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print("\n📌 下一步:")
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print(" 1. 在程序中点击'开始工单'")
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print(" 2. 观察程序是否检测到状态变化")
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print(" 3. 查看程序日志输出")
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else:
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print("\n❌ 测试失败，请检查权限和配置")
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if __name__ == "__main__":
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main()
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