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What is the YML template system in HertzBeat?

The YML template system is what lets HertzBeat support a new monitoring type without writing any code. A template is a YML file that declares the protocol to use, the connection parameters it needs, and the metric groups and fields to collect.

When a template is imported through the web UI, HertzBeat automatically generates the corresponding monitor creation form, dashboard charts, and threshold configuration options for that type. This is why adding support for something like Kubernetes or Docker monitoring can be done purely by configuring a YML file online rather than shipping a code release.

A YML template mainly declares:
Importing a new template through the web UI automatically:

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What is Apache HertzBeat? What are the key features of Apache HertzBeat? What is the purpose of HertzBeat's agentless architecture? What are the core modules of HertzBeat? What is a monitor in HertzBeat? What protocols does HertzBeat support for collection? What is the default login for a new HertzBeat install? How do you install HertzBeat using Docker? What is the YML template system in HertzBeat? What notification channels does HertzBeat support? What is a threshold rule in HertzBeat? What is the purpose of status pages in HertzBeat? Define a collector in HertzBeat? What is the license of Apache HertzBeat? List the categories of systems HertzBeat can monitor? What is sureness.yml used for? Describe HertzBeat's history and origin? What is HertzBeat AI? Why is HertzBeat considered agentless compared to Zabbix? How does HertzBeat differ from the Prometheus and Grafana stack? How do you add a custom monitoring type in HertzBeat? How does the collector cluster handle failover? What is the difference between real-time and scheduled thresholds? How does public collector mode differ from private cloud-edge mode? When should you use a time-series database with HertzBeat? What happens when a HertzBeat collector goes offline? How do you configure alert notification templates? What is the difference between HertzBeat and Nagios? How can you optimize HertzBeat for large-scale monitoring? How do you troubleshoot a monitor showing no data? Why does HertzBeat use consistent hashing for job assignment? What is the difference between the warehouse's real-time and history store? How do you integrate HertzBeat with existing Prometheus exporters? When would you choose VictoriaMetrics vs IoTDB for HertzBeat? How do multi-expression threshold alarms work in HertzBeat? Explain the internal working of HertzBeat's data collection pipeline? Explain the execution flow from monitor creation to alert notification? Explain the lifecycle of a collection job in a collector cluster? How does HertzBeat's plugin mechanism work for custom collectors? What is the difference between collector-basic and protocol-specific collector modules? How do you develop a custom collector for a new protocol? Explain the internal working of the alert reduction pipeline? How does HertzBeat achieve high-performance cluster scaling? Why does HertzBeat use Netty for manager-collector communication? How do you design a HertzBeat cloud-edge topology for isolated networks? How does HertzBeat's built-in MCP Server work for AI agent integration? Explain the internal working of HertzBeat's ANTLR-based alert expression grammar? How does HertzBeat's OpenTelemetry integration work for logs and traces? Which is better for mixed cloud-native and legacy environments: HertzBeat or Zabbix? How do you migrate an existing Zabbix or Prometheus setup to HertzBeat?
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