Files
project-gitops/iac/terraform/live/dev-k3s/vault-database/main.tf
T

76 lines
2.5 KiB
Terraform

terraform {
required_version = ">= 1.11.0"
required_providers {
vault = {
source = "hashicorp/vault"
version = "~> 5.7.0"
}
}
backend "s3" {}
}
provider "vault" {
address = var.vault_addr
skip_child_token = true
token = var.vault_token
}
locals {
migration_role_name = "auth-db-migration-dev"
operator_role_name = "postgres-operator-dev"
creation_statements = [
<<-EOT
CREATE ROLE "{{name}}" WITH LOGIN PASSWORD '{{password}}' VALID UNTIL '{{expiration}}';
GRANT "${var.auth_db_role}" TO "{{name}}";
EOT
]
revocation_statements = [
<<-EOT
REASSIGN OWNED BY "{{name}}" TO "${var.auth_db_role}";
DROP OWNED BY "{{name}}";
REVOKE "${var.auth_db_role}" FROM "{{name}}";
DROP ROLE IF EXISTS "{{name}}";
EOT
]
}
resource "vault_database_secret_backend_connection" "platform_postgres" {
allowed_roles = [local.migration_role_name, local.operator_role_name]
backend = var.database_mount_path
name = var.database_config_name
plugin_name = "postgresql-database-plugin"
verify_connection = true
postgresql {
connection_url = "postgresql://{{username}}:{{password}}@${var.postgres_host}:${var.postgres_port}/${var.postgres_database}?sslmode=${var.postgres_sslmode}"
password_authentication = "scram-sha-256"
password_wo = var.postgres_admin_password
password_wo_version = var.postgres_admin_password_version
username = var.postgres_admin_username
}
}
resource "vault_database_secret_backend_role" "auth_db_migration" {
backend = var.database_mount_path
creation_statements = local.creation_statements
db_name = vault_database_secret_backend_connection.platform_postgres.name
default_ttl = var.auth_db_migration_default_ttl_seconds
max_ttl = var.auth_db_migration_max_ttl_seconds
name = local.migration_role_name
revocation_statements = local.revocation_statements
}
resource "vault_database_secret_backend_role" "postgres_operator" {
backend = var.database_mount_path
creation_statements = local.creation_statements
db_name = vault_database_secret_backend_connection.platform_postgres.name
default_ttl = var.postgres_operator_default_ttl_seconds
max_ttl = var.postgres_operator_max_ttl_seconds
name = local.operator_role_name
revocation_statements = local.revocation_statements
}