First version of Cloud Run module v2

modules/cloud-run-v2/main.tf

@@ -0,0 +1,373 @@
+/**
+ * Copyright 2023 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 {
+  connector = (
+    var.vpc_connector_create != null
+    ? google_vpc_access_connector.connector.0.id
+    : var.revision_annotations.vpcaccess_connector
+  )
+  egress = {
+    all-traffic         = "ALL_TRAFFIC"
+    private-ranges-only = "PRIVATE_RANGES_ONLY"
+  }
+  ingress = {
+    all                               = "INGRESS_TRAFFIC_ALL"
+    internal                          = "INGRESS_TRAFFIC_INTERNAL_ONLY"
+    internal-and-cloud-load-balancing = "INGRESS_TRAFFIC_INTERNAL_LOAD_BALANCER"
+  }
+  prefix = var.prefix == null ? "" : "${var.prefix}-"
+  revision_name = (
+    var.revision_name == null ? null : "${var.name}-${var.revision_name}"
+  )
+  service_account_email = (
+    var.service_account_create
+    ? (
+      length(google_service_account.service_account) > 0
+      ? google_service_account.service_account[0].email
+      : null
+    )
+    : var.service_account
+  )
+  trigger_sa_create = try(
+    var.eventarc_triggers.service_account_create, false
+  )
+  trigger_sa_email = try(
+    google_service_account.trigger_service_account[0].email, null
+  )
+}
+
+resource "google_vpc_access_connector" "connector" {
+  count   = var.vpc_connector_create != null ? 1 : 0
+  project = var.project_id
+  name = (
+    var.vpc_connector_create.name != null
+    ? var.vpc_connector_create.name
+    : var.name
+  )
+  region         = var.region
+  ip_cidr_range  = var.vpc_connector_create.ip_cidr_range
+  network        = var.vpc_connector_create.vpc_self_link
+  machine_type   = var.vpc_connector_create.machine_type
+  max_instances  = var.vpc_connector_create.instances.max
+  max_throughput = var.vpc_connector_create.throughput.max
+  min_instances  = var.vpc_connector_create.instances.min
+  min_throughput = var.vpc_connector_create.throughput.min
+  subnet {
+    name       = var.vpc_connector_create.subnet.name
+    project_id = var.vpc_connector_create.subnet.project_id
+  }
+}
+
+resource "google_cloud_run_v2_service" "service" {
+  project      = var.project_id
+  location     = var.region
+  name         = "${local.prefix}${var.name}"
+  ingress      = try(local.ingress[var.ingress_settings], null)
+  launch_stage = var.launch_stage
+
+  template {
+    revision = local.revision_name
+    scaling {
+      max_instance_count = try(
+        var.revision_annotations.autoscaling.max_scale, null
+      )
+      min_instance_count = try(
+        var.revision_annotations.autoscaling.min_scale, null
+      )
+    }
+    dynamic "vpc_access" {
+      for_each = local.connector != null ? [""] : []
+      content {
+        connector = local.connector
+        egress = (
+          try(local.egress[var.revision_annotations.vpcaccess_egress], null)
+        )
+      }
+    }
+    dynamic "vpc_access" {
+      for_each = var.revision_annotations.network_interfaces != null ? [""] : []
+      content {
+        egress = var.revision_annotations.vpcaccess_egress
+        network_interfaces {
+          subnetwork = var.revision_annotations.network_interfaces.subnetwork
+          tags       = var.revision_annotations.network_interfaces.tags
+        }
+      }
+    }
+    timeout         = var.timeout_seconds
+    service_account = local.service_account_email
+    dynamic "containers" {
+      for_each = var.containers
+      content {
+        name    = containers.key
+        image   = containers.value.image
+        command = containers.value.command
+        args    = containers.value.args
+        dynamic "env" {
+          for_each = containers.value.env
+          content {
+            name  = env.key
+            value = env.value
+          }
+        }
+        dynamic "env" {
+          for_each = containers.value.env_from_key
+          content {
+            name = env.key
+            value_source {
+              secret_key_ref {
+                version = env.value.key
+                secret  = env.value.name
+              }
+            }
+          }
+        }
+        dynamic "resources" {
+          for_each = containers.value.resources == null ? [] : [""]
+          content {
+            limits            = resources.value.limits
+            cpu_idle          = resources.value.cpu_idle
+            startup_cpu_boost = var.startup_cpu_boost
+          }
+        }
+        dynamic "ports" {
+          for_each = containers.value.ports
+          content {
+            container_port = ports.value.container_port
+            name           = ports.value.name
+          }
+        }
+        dynamic "volume_mounts" {
+          for_each = containers.value.volume_mounts
+          content {
+            name       = volume_mounts.key
+            mount_path = volume_mounts.value
+          }
+        }
+
+        dynamic "liveness_probe" {
+          for_each = containers.value.liveness_probe == null ? [] : [""]
+          content {
+            initial_delay_seconds = liveness_probe.value.initial_delay_seconds
+            timeout_seconds       = liveness_probe.value.timeout_seconds
+            period_seconds        = liveness_probe.value.period_seconds
+            failure_threshold     = liveness_probe.value.failure_threshold
+            dynamic "http_get" {
+              for_each = liveness_probe.value.action.http_get == null ? [] : [""]
+              content {
+                path = http_get.value.path
+                dynamic "http_headers" {
+                  for_each = http_get.value.http_headers
+                  content {
+                    name  = http_headers.key
+                    value = http_headers.value
+                  }
+                }
+              }
+            }
+            dynamic "grpc" {
+              for_each = liveness_probe.value.action.grpc == null ? [] : [""]
+              content {
+                port    = grpc.value.port
+                service = grpc.value.service
+              }
+            }
+          }
+        }
+        dynamic "startup_probe" {
+          for_each = containers.value.startup_probe == null ? [] : [""]
+          content {
+            initial_delay_seconds = startup_probe.value.initial_delay_seconds
+            timeout_seconds       = startup_probe.value.timeout_seconds
+            period_seconds        = startup_probe.value.period_seconds
+            failure_threshold     = startup_probe.value.failure_threshold
+            dynamic "http_get" {
+              for_each = startup_probe.value.action.http_get == null ? [] : [""]
+              content {
+                path = http_get.value.path
+                dynamic "http_headers" {
+                  for_each = http_get.value.http_headers
+                  content {
+                    name  = http_headers.key
+                    value = http_headers.value
+                  }
+                }
+              }
+            }
+            dynamic "tcp_socket" {
+              for_each = startup_probe.value.action.tcp_socket == null ? [] : [""]
+              content {
+                port = tcp_socket.value.port
+              }
+            }
+            dynamic "grpc" {
+              for_each = startup_probe.value.action.grpc == null ? [] : [""]
+              content {
+                port    = grpc.value.port
+                service = grpc.value.service
+              }
+            }
+
+          }
+        }
+
+      }
+    }
+    dynamic "volumes" {
+      for_each = var.volumes
+      content {
+        name = volumes.key
+        secret {
+          secret       = volumes.value.secret_name
+          default_mode = volumes.value.default_mode
+          dynamic "items" {
+            for_each = volumes.value.items
+            content {
+              path    = items.value.path
+              version = items.key
+              mode    = items.value.mode
+            }
+          }
+        }
+        cloud_sql_instance {
+          instances = revision_annotations.cloudsql_instances
+        }
+      }
+    }
+    execution_environment = (
+      var.gen2_execution_environment == true
+      ? "EXECUTION_ENVIRONMENT_GEN2" : "EXECUTION_ENVIRONMENT_GEN1"
+    )
+    max_instance_request_concurrency = var.container_concurrency
+  }
+  labels = var.labels
+  dynamic "traffic" {
+    for_each = var.traffic
+    content {
+      percent = traffic.value.percent
+      type = (
+        traffic.value.latest == true
+        ? "TRAFFIC_TARGET_ALLOCATION_TYPE_LATEST"
+        : "TRAFFIC_TARGET_ALLOCATION_TYPE_REVISION"
+      )
+      revision = (
+        traffic.value.latest == true
+        ? null : "${var.name}-${traffic.key}"
+      )
+      tag = traffic.value.tag
+    }
+  }
+
+  lifecycle {
+    ignore_changes = [
+      template.0.annotations["run.googleapis.com/operation-id"],
+    ]
+  }
+}
+
+resource "google_cloud_run_service_iam_binding" "binding" {
+  for_each = var.iam
+  project  = google_cloud_run_v2_service.service.project
+  location = google_cloud_run_v2_service.service.location
+  service  = google_cloud_run_v2_service.service.name
+  role     = each.key
+  members = (
+    each.key != "roles/run.invoker" || !local.trigger_sa_create
+    ? each.value
+    # if invoker role is present and we create trigger sa, add it as member
+    : concat(
+      each.value, ["serviceAccount:${local.trigger_sa_email}"]
+    )
+  )
+}
+
+resource "google_cloud_run_service_iam_member" "default" {
+  # if authoritative invoker role is not present and we create trigger sa
+  # use additive binding to grant it the role
+  count = (
+    lookup(var.iam, "roles/run.invoker", null) == null &&
+    local.trigger_sa_create
+  ) ? 1 : 0
+  project  = google_cloud_run_v2_service.service.project
+  location = google_cloud_run_v2_service.service.location
+  service  = google_cloud_run_v2_service.service.name
+  role     = "roles/run.invoker"
+  member   = "serviceAccount:${local.trigger_sa_email}"
+}
+
+resource "google_service_account" "service_account" {
+  count        = var.service_account_create ? 1 : 0
+  project      = var.project_id
+  account_id   = "tf-cr-${var.name}"
+  display_name = "Terraform Cloud Run ${var.name}."
+}
+
+resource "google_eventarc_trigger" "audit_log_triggers" {
+  for_each = var.eventarc_triggers.audit_log
+  name     = "${local.prefix}audit-log-${each.key}"
+  location = google_cloud_run_v2_service.service.location
+  project  = google_cloud_run_v2_service.service.project
+  matching_criteria {
+    attribute = "type"
+    value     = "google.cloud.audit.log.v1.written"
+  }
+  matching_criteria {
+    attribute = "serviceName"
+    value     = each.value.service
+  }
+  matching_criteria {
+    attribute = "methodName"
+    value     = each.value.method
+  }
+  destination {
+    cloud_run_service {
+      service = google_cloud_run_v2_service.service.name
+      region  = google_cloud_run_v2_service.service.location
+    }
+  }
+  service_account = local.trigger_sa_email
+}
+
+resource "google_eventarc_trigger" "pubsub_triggers" {
+  for_each = var.eventarc_triggers.pubsub
+  name     = "${local.prefix}pubsub-${each.key}"
+  location = google_cloud_run_v2_service.service.location
+  project  = google_cloud_run_v2_service.service.project
+  matching_criteria {
+    attribute = "type"
+    value     = "google.cloud.pubsub.topic.v1.messagePublished"
+  }
+  transport {
+    pubsub {
+      topic = each.value
+    }
+  }
+  destination {
+    cloud_run_service {
+      service = google_cloud_run_v2_service.service.name
+      region  = google_cloud_run_v2_service.service.location
+    }
+  }
+  service_account = local.trigger_sa_email
+}
+
+resource "google_service_account" "trigger_service_account" {
+  count        = local.trigger_sa_create ? 1 : 0
+  project      = var.project_id
+  account_id   = "tf-cr-trigger-${var.name}"
+  display_name = "Terraform trigger for Cloud Run ${var.name}."
+}