fix bug

exporter.py

@@ -2,6 +2,8 @@
 import abc
 import math
 import pprint
+import time
+import json
 
 from prometheus_client.core import GaugeMetricFamily
 
@@ -66,8 +68,12 @@ class TencentExporter(Exporter):
                 'rds_name', 'type', 'service_provider', 'project'
             ])
 
+            if len(instance_data_list) != len(self.instances):
+                print(time.ctime(), label, u"取得监控数据的机器数量与配置的机器数量不一致", len(instance_data_list))
+                pprint.pprint(instance_data_list)
+
             for instance_data in instance_data_list:
-                timestamp_value_dict = dict(zip(instance_data['Timestamps'], instance_data['Values']))
+                value = instance_data['Values'][-1]
                 instance_id = instance_data['Dimensions'][0]['Value']
                 instance = self.instances[instance_id]
                 instance_name = instance['name']
@@ -75,7 +81,6 @@ class TencentExporter(Exporter):
                 instance_project = instance.get('project', 'gengmei')
                 # 当前queryname，当前rds实例的因子，若没有配置，默认为1
                 rds_factor = instance.get(factor, 1)
-                for value in timestamp_value_dict.values():
                 avg_metric_family.add_metric([instance_name, instance_type, service_provider, instance_project], value)
                 with_factor_metric_family.add_metric(
                         ['{}*{}'.format(instance_name,rds_factor), instance_type, service_provider, instance_project],
@@ -91,7 +96,7 @@ class TencentExporter(Exporter):
             for instance in instance_data_list:
                 # 腾讯云CPU利用率/内存使用率返回的是0-100(%), 转化成 0-1
                 if label in ["CPUUseRate", "MemoryUseRate"]:
-                    instance['Values'][:] = map(lambda v: v/100, instance['Values'])
+                    instance['Values'][:] = map(lambda v: v/100.0, instance['Values'])
 
 
 class AliyunExporter(Exporter):