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bq.tf
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bq.tf
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/**
* Copyright 2022 Google LLC
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
locals {
bq_tables = [for t in local.tables : {
table_id = t.name,
schema = file(t.schema),
time_partitioning = null,
range_partitioning = null,
expiration_time = null,
clustering = [],
labels = {}
}]
}
module "bigquery" {
source = "terraform-google-modules/bigquery/google"
version = "~> 7.0"
dataset_id = var.dataset_name
dataset_name = var.dataset_name
project_id = var.project_id
location = var.location
default_table_expiration_ms = null
tables = local.bq_tables
depends_on = [ module.project_services ]
}
## Populating tables with scripts
resource "null_resource" "bq_tables_populate" {
triggers = {
bq_dataset = var.dataset_name
}
provisioner "local-exec" {
command = "cp ../installation_scripts/aux_data/data_gen.py aux_data/"
}
provisioner "local-exec" {
command = "source venv/bin/activate; python3 -c 'from aux_data import data_gen; data_gen.generate_and_populate_dataset(PROJECT_ID=\"${var.project_id}\",DATASET_ID=\"${var.dataset_name}\",create_tables=False)'"
}
depends_on = [null_resource.py_venv, module.bigquery]
}
# Creating tag tempalte
resource "google_data_catalog_tag_template" "tag_template" {
project = var.project_id
tag_template_id = var.tag_template_id
region = var.region
display_name = "Talk to data catalog template"
fields {
field_id = "description"
display_name = "Description"
type {
primitive_type = "STRING"
}
is_required = true
}
fields {
field_id = "is_primary_key"
display_name = "is_primary_key"
type {
primitive_type = "BOOL"
}
}
fields {
field_id = "is_foreign_key"
display_name = "is_foreign_key"
type {
primitive_type = "BOOL"
}
}
fields {
field_id = "data_type"
display_name = "Data Type"
type {
primitive_type = "STRING"
}
}
force_delete = "true"
depends_on = [ module.project_services ]
}
## Tag columns using scripts
## Loading data from old scripts
resource "null_resource" "bq_tagging" {
triggers = {
bq_tables = join(",", module.bigquery.table_ids)
tag_template = google_data_catalog_tag_template.tag_template.id
}
provisioner "local-exec" {
command = "cp ../installation_scripts/aux_data/bq_tag_generation.py aux_data/"
}
provisioner "local-exec" {
command = "source venv/bin/activate; python3 -c 'from aux_data import bq_tag_generation; bq_tag_generation.tag_metadata_from_bq(\"${var.project_id}\",\"${var.dataset_name}\",\"${google_data_catalog_tag_template.tag_template.name}\",\"${google_data_catalog_tag_template.tag_template.tag_template_id}\")'"
}
depends_on = [null_resource.py_venv, module.bigquery, google_data_catalog_tag_template.tag_template]
}