=== variable file
>>> $CLI bundle validate -o json --var-file=var_files/normal.json
{
  "job_cluster_key": "mlops_stacks-cluster",
  "new_cluster": {
    "node_type_id": "Standard_DS3_v2",
    "num_workers": 2
  }
}

=== default variable file (see .databricks/*)
>>> $CLI bundle validate -o json --target with-default-variable-file
{
  "job_cluster_key": "mlops_stacks-cluster-2",
  "new_cluster": {
    "node_type_id": "Standard_DS3_v3",
    "num_workers": 9
  }
}

=== variable file and variable flag
>>> $CLI bundle validate -o json --var-file=var_files/normal.json --var=cluster_key=mlops_stacks-cluster-overriden
{
  "job_cluster_key": "mlops_stacks-cluster-overriden",
  "new_cluster": {
    "node_type_id": "Standard_DS3_v2",
    "num_workers": 2
  }
}

=== variable file and environment variable
>>> BUNDLE_VAR_cluster_key=incorrectly-overriden $CLI bundle validate -o json --var-file=var_files/normal.json
{
  "job_cluster_key": "mlops_stacks-cluster",
  "new_cluster": {
    "node_type_id": "Standard_DS3_v2",
    "num_workers": 2
  }
}

=== file not found
>>> errcode $CLI bundle validate -o json --var-file=var_files/not_found.json
Error: failed to read variables file: open var_files/not_found.json:<stripped>


Exit code: 1
{
  "job_cluster_key": "${var.cluster_key}",
  "new_cluster": {
    "node_type_id": "${var.cluster.node_type_id}",
    "num_workers": "${var.cluster_workers}"
  }
}

=== file cannot be parsed
>>> errcode $CLI bundle validate -o json --var-file=var_files/invalid_json.json
Error: failed to parse variables file: error decoding JSON at :0:0: invalid character 'o' in literal false (expecting 'a')


Exit code: 1
{
  "job_cluster_key": "${var.cluster_key}",
  "new_cluster": {
    "node_type_id": "${var.cluster.node_type_id}",
    "num_workers": "${var.cluster_workers}"
  }
}

=== file has wrong structure
>>> errcode $CLI bundle validate -o json --var-file=var_files/wrong_file_structure.json
Error: failed to parse variables file: var_files/wrong_file_structure.json:1:1: expected a map, found a sequence

Variables file must be a JSON object with the following format:
{"var1": "value1", "var2": "value2"}


Exit code: 1
{
  "job_cluster_key": "${var.cluster_key}",
  "new_cluster": {
    "node_type_id": "${var.cluster.node_type_id}",
    "num_workers": "${var.cluster_workers}"
  }
}

=== file has variable name that is not defined
>>> errcode $CLI bundle validate -o json --var-file=var_files/undeclared.json
Error: variable undeclared_var has not been defined


Exit code: 1
{
  "job_cluster_key": "${var.cluster_key}",
  "new_cluster": {
    "node_type_id": "${var.cluster.node_type_id}",
    "num_workers": "${var.cluster_workers}"
  }
}

=== file has variable name that is complex but default is string
>>> errcode $CLI bundle validate -o json --var-file=var_files/complex_to_string.json
Error: expected a map to index "variables.cluster.value.node_type_id", found string


Exit code: 1
{
  "job_cluster_key": "${var.cluster_key}",
  "new_cluster": {
    "node_type_id": "${var.cluster.node_type_id}",
    "num_workers": "${var.cluster_workers}"
  }
}

=== file has variable name that is string but default is complex
>>> errcode $CLI bundle validate -o json --var-file=var_files/string_to_complex.json
Error: failed to assign map[node_type_id:Standard_DS3_v2] to cluster_key: variable type is not complex


Exit code: 1
{
  "job_cluster_key": "${var.cluster_key}",
  "new_cluster": {
    "node_type_id": "${var.cluster.node_type_id}",
    "num_workers": "${var.cluster_workers}"
  }
}

=== variable is required but it's not provided in the file
>>> errcode $CLI bundle validate -o json --target without-defaults --var-file=var_files/without_required.json
Error: no value assigned to required variable cluster. Assignment can be done using "--var" or "--var-file", by setting the BUNDLE_VAR_cluster environment variable, or in .databricks/bundle/<target>/vars.json file


Exit code: 1
{
  "job_cluster_key": "${var.cluster_key}",
  "new_cluster": {
    "node_type_id": "${var.cluster.node_type_id}",
    "num_workers": "${var.cluster_workers}"
  }
}