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PostProvisionScript.rst

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Creating node inventory

When discovery_provision.yml, prepare_cp.yml, or utils/inventory_tagging.yml is run, a set of inventory files is created in /opt/omnia/omnia_inventory/ based on the Omnia database. The inventories are created based on the type of CPUs and GPUs nodes have. The inventory files are:

  • compute_cpu_amd :

    [compute_cpu_amd]
ABCD1

  • compute_cpu_intel :

    [compute_cpu_intel]
ABCD1

  • compute_gpu_amd :

    [compute_cpu_amd]
ABCD2
ABCD3

  • compute_gpu_nvidia :

    [compute_gpu_nvidia]
ABCD1

  • compute_servicetag_ip :

    [compute_servicetag_ip]
ABCD1 ansible_host=10.5.0.2
ABCD2 ansible_host=10.5.0.3
ABCD3 ansible_host=10.5.0.4

Note

  • Service tags will only be written into the inventory files after the nodes are successfully PXE booted post provisioning.

  • For a node's service tag to list in an inventory file, two conditions must be met:

    • Node status must be "booted" in DB.
    • Node's service tag information is present in DB.
  • To regenerate all the inventory files, use the playbook utils/inventory_tagging.yml.