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Include terraform config to generate test cluster
Creating GKE cluster with three node pools: system, metrics, gameservers. Added tfvars parameters and new make targets. E2E tests pass on a terraform deployed cluster.
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| # Copyright 2019 Google LLC All Rights Reserved. | ||
| # | ||
| # 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. | ||
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| provider "google-beta" { | ||
| zone = "${lookup(var.cluster, "zone")}" | ||
| } | ||
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| # Password for the Kubernetes API. | ||
| # Could be defined using GKE_PASSWORD env variable | ||
| # or by setting `password="somepass"` string in build/terraform.tfvars | ||
| variable "password" {default = ""} | ||
| variable "username" {default = "admin"} | ||
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| # Ports can be overriden using tfvars file | ||
| variable "ports" {default="7000-8000"} | ||
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| # Set of GKE cluster parameters which defines its name, zone | ||
| # and primary node pool configuration. | ||
| # It is crucial to set valid ProjectID for "project". | ||
| variable "cluster" { | ||
| description = "Set of GKE cluster parameters." | ||
| type = "map" | ||
| default = { | ||
| "zone" = "us-west1-c" | ||
| "name" = "test-cluster" | ||
| "machineType" = "n1-standard-4" | ||
| "initialNodeCount" = "4" | ||
| "legacyAbac" = false | ||
| "project" = "agones" | ||
| } | ||
| } | ||
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| # echo command used for debugging purpose | ||
| # Run `terraform taint null_resource.test-setting-variables` before second execution | ||
| resource "null_resource" "test-setting-variables" { | ||
| provisioner "local-exec" { | ||
| command = "${"${format("echo Current variables set as following - name: %s, project: %s, machineType: %s, initialNodeCount: %s, zone: %s, legacyAbac: %s", | ||
| "${lookup(var.cluster, "name")}", "${lookup(var.cluster, "project")}", | ||
| "${lookup(var.cluster, "machineType")}", "${lookup(var.cluster, "initialNodeCount")}", | ||
| "${lookup(var.cluster, "zone")}", "${lookup(var.cluster, "legacyAbac")}")}"}" | ||
| } | ||
| } | ||
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| locals { | ||
| username = "${var.password != "" ? var.username : ""}" | ||
| } | ||
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| # assert that password has correct length | ||
| # before creating the cluster to avoid | ||
| # unfinished configurations | ||
| resource "null_resource" "check-password-length" { | ||
| count = "${length(var.password) >= 16 || length(var.password) == 0 ? 0 : 1}" | ||
| "Password must be more than 16 chars in length" = true | ||
| } | ||
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| resource "google_container_cluster" "primary" { | ||
| name = "${lookup(var.cluster, "name")}" | ||
| location = "${lookup(var.cluster, "zone")}" | ||
| project = "${lookup(var.cluster, "project")}" | ||
| provider = "google-beta" | ||
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| # Setting an empty username and password explicitly disables basic auth | ||
| master_auth { | ||
| username = "${local.username}" | ||
| password = "${var.password}" | ||
| } | ||
| enable_legacy_abac = "${lookup(var.cluster, "legacyAbac")}" | ||
| node_pool = [ | ||
| { | ||
| node_count = "${lookup(var.cluster, "initialNodeCount")}" | ||
| node_config { | ||
| machine_type = "${lookup(var.cluster, "machineType")}" | ||
| oauth_scopes = [ | ||
| "https://www.googleapis.com/auth/devstorage.read_only", | ||
| "https://www.googleapis.com/auth/logging.write", | ||
| "https://www.googleapis.com/auth/monitoring", | ||
| "https://www.googleapis.com/auth/service.management.readonly", | ||
| "https://www.googleapis.com/auth/servicecontrol", | ||
| "https://www.googleapis.com/auth/trace.append", | ||
| ] | ||
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| tags = ["game-server"] | ||
| timeouts { | ||
| create = "30m" | ||
| update = "40m" | ||
| } | ||
| } | ||
| }, | ||
| { | ||
| name = "agones-system" | ||
| node_count = 1 | ||
| node_config { | ||
| preemptible = true | ||
| machine_type = "n1-standard-4" | ||
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| oauth_scopes = [ | ||
| "https://www.googleapis.com/auth/devstorage.read_only", | ||
| "https://www.googleapis.com/auth/logging.write", | ||
| "https://www.googleapis.com/auth/monitoring", | ||
| "https://www.googleapis.com/auth/service.management.readonly", | ||
| "https://www.googleapis.com/auth/servicecontrol", | ||
| "https://www.googleapis.com/auth/trace.append", | ||
| ] | ||
| labels = { | ||
| "stable.agones.dev/agones-system" = "true" | ||
| } | ||
| taint = { | ||
| key = "stable.agones.dev/agones-system" | ||
| value = "true" | ||
| effect = "NO_EXECUTE" | ||
| } | ||
| } | ||
| }, | ||
| { | ||
| name = "agones-metrics" | ||
| node_count = 1 | ||
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| node_config { | ||
| preemptible = true | ||
| machine_type = "n1-standard-4" | ||
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| oauth_scopes = [ | ||
| "https://www.googleapis.com/auth/devstorage.read_only", | ||
| "https://www.googleapis.com/auth/logging.write", | ||
| "https://www.googleapis.com/auth/monitoring", | ||
| "https://www.googleapis.com/auth/service.management.readonly", | ||
| "https://www.googleapis.com/auth/servicecontrol", | ||
| "https://www.googleapis.com/auth/trace.append", | ||
| ] | ||
| labels = { | ||
| "stable.agones.dev/agones-metrics" = "true" | ||
| } | ||
| taint = { | ||
| key = "stable.agones.dev/agones-metrics" | ||
| value = "true" | ||
| effect = "NO_EXECUTE" | ||
| } | ||
| } | ||
| } | ||
| ] | ||
| } | ||
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| resource "google_compute_firewall" "default" { | ||
| name = "game-server-firewall-firewall" | ||
| project = "${lookup(var.cluster, "project")}" | ||
| network = "${google_compute_network.default.name}" | ||
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| allow { | ||
| protocol = "udp" | ||
| ports = ["${var.ports}"] | ||
| } | ||
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| source_tags = ["game-server"] | ||
| } | ||
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| resource "google_compute_network" "default" { | ||
| project = "${lookup(var.cluster, "project")}" | ||
| name = "agones-network" | ||
| } | ||
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| # The following outputs allow authentication and connectivity to the GKE Cluster | ||
| # by using certificate-based authentication. | ||
| output "client_certificate" { | ||
| value = "${google_container_cluster.primary.master_auth.0.client_certificate}" | ||
| } | ||
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| output "client_key" { | ||
| value = "${google_container_cluster.primary.master_auth.0.client_key}" | ||
| } | ||
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| output "cluster_ca_certificate" { | ||
| value = "${google_container_cluster.primary.master_auth.0.cluster_ca_certificate}" | ||
| } |
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