Focused on Storage Constraint

sample.yaml

inputs: {}
resources:
  Cloud_Machine_1:
    type: Cloud.Machine
    properties:
      constraints:
        - tag: 'cloud:vsphere'
      image: Ubuntu
      flavor: small
      networks:
        - name: '${Cloud_Network_1.name}'
          assignment: static
      storage:
        constraints:
          - tag: "ds:mgt"
      count: 1
  Cloud_Network_1:
    type: Cloud.Network
    properties:
      name: Core
      networkType: existing