databricks / terraform-provider-databricks

Databricks Terraform Provider
https://registry.terraform.io/providers/databricks/databricks/latest
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[ISSUE] `node_type` data source returns incorrect results #1604

Closed harrisonschueler closed 1 year ago

harrisonschueler commented 2 years ago

Configuration

# Copy-paste your Terraform configuration here

data "databricks_node_type" "g4dn_xlarge"{ category = "GPU Accelerated" min_memory_gb = "16" min_cores="4" min_gpus = "1" }

data "databricks_spark_version" "runtime_11_0_ml" { ml=true gpu=true scala = "2.12" spark_version = "3.3.0" }

resource "databricks_cluster" "research" { cluster_name = "Research Cluster" spark_version = data.databricks_spark_version.runtime_11_0_ml.id node_type_id = "g4dn_xlarge" autotermination_minutes = 20 autoscale { min_workers = 1 max_workers = 50 }

Expected Behavior

A cluster with the node type g4dn_xlarge should be created

Actual Behavior

Creates a p2.xlarge node.

Steps to Reproduce

Use above configuration to create a cluster with the node type specified.

Terraform and provider versions

1.3.0

Debug Output

Important Factoids

changing "node_type_id = data.databricks_node_type.g4dn_xlarge.id" to "node_type_id = "g4dn_xlarge" it creates the correct node type

nkvuong commented 2 years ago

This happens because we choose nodes with no local_disk by default. p2.xlarge has no local disk but g4dn_xlarge has 125GB local SSD https://github.com/databricks/terraform-provider-databricks/blob/master/clusters/data_node_type.go#L43

@harrisonschueler the below block should work

data "databricks_node_type" "g4dn_xlarge" {
  category      = "GPU Accelerated"
  min_memory_gb = "16"
  min_cores     = "4"
  min_gpus      = "1"
  local_disk    = true
}
Changes to Outputs:
  + g4dn_xlarge_id = "g4dn.xlarge"
alexott commented 2 years ago

Yes, I already identified this, but it makes sense to fix it - why number of local disks will be more preferable than memory when selecting nodes...

nkvuong commented 2 years ago

because you can specify local_disk parameter 😄

alexott commented 1 year ago

it should be fixed in #1856 - can you validate it using the current master?