Alibaba cloud Prometheus monitoring service

What is? Prometheus？

Prometheus Is an open source system monitoring and alerting toolkit

Native Prometheus：Overview | Prometheus

working principle ：prometheus Introduction of the principle _ Yuan Sheng's blog -CSDN Blog _prometheus principle

frame ：

Alibaba cloud Prometheus

1. brief introduction ：

Alibaba cloud Prometheus Monitoring and comprehensive docking Prometheus ecology , Support component monitoring with rich types , Provide a variety of out of the box preset monitoring market , And provide fully managed Prometheus service .

Please refer to Alibaba cloud Prometheus Official documents explain .

explain Prometheus It is an open source monitoring and alarm system . The main features include multidimensional data model 、 Flexible query statements PromQL And visual display of data . For more information , Please see the Prometheus Official documents .

2. Use ： Application real-time monitoring service ARMS

1） establish Prometheusf example

for The cloud service ：

1. Suitable for passing Prometheus Monitor to collect 、 Scenarios for storing and displaying monitoring data of various Alibaba cloud services . Supported cloud services include ECS、RDS、 Message service RocketMQ、 Message service Kafka etc.

2. At present, our company's services are deployed ecs , Alibaba cloud Prometheus Direct access .

for VPC：

1. Suitable for Alibaba cloud VPC Inside （ Usually it is ECS colony ） Conduct Prometheus The scene of monitoring . You can add... Through the integration center VPC Monitoring of applications and components in .

2. At present, our company's redis,mq And other components are deployed in ecs But for independence , Not Alibaba cloud integrated components , So use vpc Instance to monitor

After creation, you can see the instance list .

2） Component access

Enter the access center , Select the components to be accessed , Here we choose three components of our company , For database RDS Direct access to cloud services , There is no need to monitor

Configure the accessed components ： Enter the corresponding address and port password

3） Configure related security groups , Enable data to be monitored

As shown below , After adding corresponding components , You need to check whether the corresponding port is in the security group white list

Security group link , If it is already within the scope, there is no need to add

4） Check the market list

After access, the vpc The list of monitored components can be seen in the instance

View the monitored in the cloud service instance list ecs Services and rds

Enter cloud services ecs Monitoring interface , Select the service you want to view , You can view the real-time service

5） Monitor alarms and notifications

Set up contacts

Real people and robots can be set Real people can be added directly The robot is as follows ：

1. Choose group chat to create robot

2. Copy the robot address here Add

Set alarm rules

1. Customize PromQL For Alibaba cloud products , Static threshold is for k8s pod Of memory

2. We choose to customize PromQL that will do , And select the monitoring examples

3. Select the reference index , Or write it yourself PromQL

4. The alarm content can be edited , To distinguish which service sent it , You can print the instance name { { $labels.instanceName }} The system used to print id You can't tell which service it is at a glance .

5. You can select the corresponding notification policy , Or not .

Be careful ： Because the warning rules can only monitor the target accurately example And which cloud products cannot be distinguished from which specific services , Therefore, you cannot create alarm rules for specific services , Nor can it be created for any environment , It can only be distinguished by creating and assigning different notification policies Different environments and services . See notification strategy

Set notification policy

1. For services that need to be monitored , Or create notification policies in specific environments

2. This strategy can be assigned to specific alarm rules .

3. Save and enable after creation

Alarm handling

1.Prometheus The created alarm will be sent to the corresponding contact through the notification strategy

2. After receiving the alarm , The alarm can be handled , If it is not handled, the alarm will be sent continuously after the set time , Until the alarm is restored