Policy Creator UI Design
General Mode
Policy Editor (General Mode) mainly supports some general alert template and provide easy-to-use template form and general native eagle policy in backend using the submitted form data and policy template.
Backend Support
// Template Interface and GeneralPolicyTemplateDesc for API interface GeneralPolicyTemplate { Class<?> getType(); // org.apache.eagle.policy.GeneralPolicyTemplate String getName(); // "SINGLE_SOURCE_THRESHOLD_ALERT" String getDescription(); // "An alert policy template consuming single stream source." String getView(); // "/path/to/form" Class<GeneralPolicyConfig> getConfigType(); PolicyDefinition render(GeneralPolicyConfig); } // Static Template Metadata} GeneralPolicyEntity { config: GeneralPolicyTemplateConfig, template: "org.apache.eagle.policy.GeneralPolicyTemplate" } // Case Example SingleStreamThresholdPolicyTemplateConfig extend GeneralPolicyTemplateConfig { from: HDFS_AUDIT_SRC_STREAM, partition: { type: "GROUPBY",field: "USER" }, window: { type: "SLIDING_WINDOW", configs: { length: "20 hour" } }, aggregators: [ { function: "SUM", field: "USER", alias: "USER_COUNT" } ], filters: [ { field: "USER_COUNT", function: ">", value: 20 }, { field: "USER", function: "NOT IN", value: "HADOOP, HDFS, MAPRED" } ] }
Embedded Mode
Advanced Mode