class KubeAws < Formula
  desc "CoreOS Kubernetes on AWS"
  homepage "https://coreos.com/kubernetes/docs/latest/kubernetes-on-aws.html"
  url "https://github.com/kubernetes-incubator/kube-aws.git",
      :tag      => "v0.12.2",
      :revision => "73136f96f097612b7566c3272c1b3cd48d4a0db2"
  head "https://github.com/kubernetes-incubator/kube-aws.git"

  bottle do
    cellar :any_skip_relocation
    sha256 "6b048c872c17fce2a11fcb6a0935363f83ccea515623d579c6b0a44315f6cbe8" => :mojave
    sha256 "57b9ac7f0359d13138e7721131023199545f1eab296921b1dca5c363df2b6395" => :high_sierra
    sha256 "a0e3ae85e6430684b0e3c5d6ccc439e375be99e835240fb5ca8a0a273abe5666" => :sierra
  end

  depends_on "go" => :build

  def install
    ENV["GOPATH"] = buildpath
    dir = buildpath/"src/github.com/kubernetes-incubator/kube-aws"
    dir.install buildpath.children - [buildpath/".brew_home"]
    cd dir do
      system "make", "OUTPUT_PATH=#{bin}/kube-aws"
      prefix.install_metafiles
    end
  end

  test do
    system "#{bin}/kube-aws"
    system "#{bin}/kube-aws", "init", "--cluster-name", "test-cluster",
           "--external-dns-name", "dns", "--region", "us-west-1",
           "--availability-zone", "zone", "--key-name", "key",
           "--kms-key-arn", "arn", "--no-record-set",
           "--s3-uri", "s3://examplebucket/mydir"
    cluster_yaml = (testpath/"cluster.yaml").read
    assert_match "clusterName: test-cluster", cluster_yaml
    assert_match "dnsName: dns", cluster_yaml
    assert_match "region: us-west-1", cluster_yaml
    assert_match "availabilityZone: zone", cluster_yaml
    assert_match "keyName: key", cluster_yaml
    assert_match "kmsKeyArn: \"arn\"", cluster_yaml
    installed_version = shell_output("#{bin}/kube-aws version 2>&1")
    assert_match "kube-aws version v#{version}", installed_version
  end
end