Initial version of EKS terraform config

Add module for EKS cluster, need to add VPC.

build/modules/eks/eks.tf

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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.
+
+provider "aws" {
+  version = ">= 2.11"
+  region  = var.region
+}
+
+
+resource "aws_vpc" "example" {
+ cidr_block = "10.0.0.0/16"
+ enable_dns_hostnames = true
+ enable_dns_support = true
+ tags = "${
+   map(
+    "Name", "terraform-eks",
+    "kubernetes.io/cluster/example", "shared",
+   )
+ }"
+}
+
+resource "aws_vpc" "main" {
+cidr_block = "10.0.0.0/16"
+enable_dns_hostnames = true
+enable_dns_support = true
+tags = "${
+   map(
+    "Name", "terraform-eks",
+    "kubernetes.io/cluster/example", "shared",
+   )
+}"
+}
+
+#
+# main EKS terraform resource definition
+#
+resource "aws_eks_cluster" "main" {
+  name = "${var.cluster_name}"
+  worker_groups = [
+    {
+      name                          = "worker-group-1"
+      instance_type                 = "t2.micro"
+      asg_desired_capacity          = 5
+      additional_security_group_ids = [aws_security_group.worker_group_mgmt_one.id]
+    },
+    {
+      name                          = "worker-group-2"
+      instance_type                 = "t2.micro"
+      additional_security_group_ids = [aws_security_group.worker_group_mgmt_two.id]
+      asg_desired_capacity          = 5
+    },
+  ]
+}

build/modules/eks/outputs.tf

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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.
+
+output "cluster_ca_certificate" {
+  value = "${base64decode(aws_eks_cluster.main.kube_config.0.cluster_ca_certificate)}"
+}
+
+output "client_certificate" {
+  value = "${aws_eks_cluster.main.kube_config.0.client_certificate}"
+}
+
+output "kube_config" {
+  value = "${aws_eks_cluster.main.kube_config_raw}"
+}
+
+output "host" {
+  value = "${aws_eks_cluster.main.kube_config.0.host}"
+}
+
+output "token" {
+  value = "${aws_eks_cluster.main.kube_config.0.password}"
+}

build/modules/eks/variables.tf

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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.
+
+variable "cluster_name" {
+  default = "test-cluster"
+}
+
+variable "region" {
+  default = "us-west-2"
+}