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To have a better user experience with EAGLE ui, we could provide an interface to manage a certain topology via the ui page, such as submit a topology

 

Gliffy Diagram
nametopologyManage

...

 AttributeTypeDescription
tagssiteStringsite name
 applicationString

application

physical topology = ${site}_${application}

fieldsmainClassStringapplication main class
 jarFileStringjar file path
 environmentStringenvironment name
 urlstatusUrlStringapplication tracking url
 statusString{SUCCESS, FAILURE}
 descriptionstatusDescriptionStringapplication description

Environment Definition

  • Service name: ApplicationEnvironmentService
  • Table name: eagle_metadata
  • Prefix: application_environment
 AttributeTypeDescription
tagsnameStringenvironment name
fieldstypeStringe.g., storm, spark
 configStringcluster config

Use cases

  1. NEW
    1. create a topology definition entity
  2. START
    1. click START button
    2. check the topology's current status on the nimbus host
    3. a new thread is created to execute the submitting topology task
    4. update status
  3. STOP
    1. click STOP button
    2. check the topology's current status on nimbus host
    3. a new thread is created to stop the topology
    4. update status