Template in scheduler/

Scheduler templates select registered hook aliases and pass their parameters. The fixed policy below illustrates the current source-selection, deployment, and per-task scheduling contracts.

position: cloud
pod-template:
  image: scheduler
  imagePullPolicy: Always
  env:
    - name: SCH_CONFIG_EXTRACTION_NAME
      value: simple
    - name: SCH_SCENARIO_RETRIEVAL_NAME
      value: simple
    - name: SCH_STARTUP_POLICY_NAME
      value: fixed
    - name: SCH_POLICY_RETRIEVAL_NAME
      value: simple
    - name: SCH_SELECTION_POLICY_NAME
      value: fixed
    - name: SCH_SELECTION_POLICY_PARAMETERS
      value: >
        {
          'scope': 'all_edge_nodes',
          'fixed_value': 'edgex1',
          'fixed_type':'hostname'
        }
    - name: SCH_INITIAL_DEPLOYMENT_POLICY_NAME
      value: fixed
    - name: SCH_INITIAL_DEPLOYMENT_POLICY_PARAMETERS
      value: >
        {
          'policy':{
            "vehicle-detection": ["edge5"],
            "pedestrian-detection": ["edge5"],
            "category-identification": ["edgexn8"],
            "license-plate-recognition": ["edgexn11", "edgexn12"],
            "exposure-identification": ["edgexn11", "edgexn12", "edgexn8"]
          }
        }
    - name: SCH_REDEPLOYMENT_POLICY_NAME
      value: fixed
    - name: SCH_REDEPLOYMENT_POLICY_PARAMETERS
      value: >
        {
          'policy':{
            "vehicle-detection": ["edge5"],
            "pedestrian-detection": ["edge5"],
            "category-identification": ["edgexn8"],
            "license-plate-recognition": ["edgexn11", "edgexn12"],
            "exposure-identification": ["edgexn11", "edgexn12", "edgexn8"]
          }
        }
    - name: SCH_AGENT_NAME
      value: fixed
    - name: SCH_AGENT_PARAMETERS
      value: >
        {
          'configuration':{
            'resolution': '720p',
            'fps': 10,
            'encoding': 'mp4v',
            'buffer_size': 4
          },
          'offloading':{
            'pedestrian-detection':'edge5',
            'exposure-identification':'edgexn12',
            'vehicle-detection':'edge5',
            'category-identification':'edgexn8',
            'license-plate-recognition':'edgexn11'
          }
        }
port-open:
  pos: cloud
  port: 9000
file-mount:
  - pos: cloud
    path: 'scheduler/fixed/'

Replace the example hostnames and service map with nodes and DAG services available to the installation. Backend and Scheduler reject missing services, empty placements, and nodes outside the authorized candidate set. Deployment hooks return a complete logical service -> node list plan; they do not create Kubernetes resources or discover topology.

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