cloud-foundation-fabric/modules/kms/main.tf

74 lines
2.2 KiB
HCL

/**
* Copyright 2019 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 {
# distinct is needed to make the expanding function argument work
iam_pairs = flatten([
for name, roles in var.iam_roles :
[for role in roles : { name = name, role = role }]
])
iam_keypairs = {
for pair in local.iam_pairs :
"${pair.name}-${pair.role}" => pair
}
key_attributes = {
for name in var.keys :
name => lookup(var.key_attributes, name, var.key_defaults)
}
keys = merge(
{ for name, resource in google_kms_crypto_key.keys : name => resource },
{ for name, resource in google_kms_crypto_key.keys-ephemeral : name => resource }
)
}
resource "google_kms_key_ring" "key_ring" {
name = var.keyring
project = var.project_id
location = var.location
}
resource "google_kms_crypto_key" "keys" {
for_each = {
for name, attrs in local.key_attributes :
name => attrs if attrs.protected
}
name = each.key
key_ring = google_kms_key_ring.key_ring.self_link
rotation_period = each.value.rotation_period
lifecycle {
prevent_destroy = true
}
}
resource "google_kms_crypto_key" "keys-ephemeral" {
for_each = {
for name, attrs in local.key_attributes :
name => attrs if ! attrs.protected
}
name = each.key
key_ring = google_kms_key_ring.key_ring.self_link
rotation_period = each.value.rotation_period
}
resource "google_kms_crypto_key_iam_binding" "bindings" {
for_each = local.iam_keypairs
role = each.value.role
crypto_key_id = local.keys[each.value.name].self_link
members = lookup(
lookup(var.iam_members, each.value.name, {}), each.value.role, []
)
}