kubeless 0.3.0 (new formula)

Closes #19506.

Signed-off-by: ilovezfs <ilovezfs@icloud.com>

Formula/kubeless.rb

@@ -0,0 +1,77 @@
+class Kubeless < Formula
+  desc "Kubernetes Native Serverless Framework"
+  homepage "https://github.com/kubeless/kubeless"
+  url "https://github.com/kubeless/kubeless.git",
+      :tag => "v0.3.0",
+      :revision => "3103df24bccf67a71bef2ce792592d4ba9f09293"
+
+  depends_on "go" => :build
+  depends_on "kubernetes-cli" => :recommended
+
+  def install
+    commit = Utils.popen_read("git rev-parse --short HEAD").chomp
+    ENV["GOPATH"] = buildpath
+    (buildpath/"src/github.com/kubeless/kubeless").install buildpath.children
+    cd "src/github.com/kubeless/kubeless" do
+      ldflags = %W[
+        -w -X github.com/kubeless/kubeless/version.VERSION=v#{version}
+        -X github.com/kubeless/kubeless/version.GITCOMMIT=#{commit}
+      ]
+      system "go", "build", "-o", bin/"kubeless", "-ldflags", ldflags.join(" "),
+             "./cmd/kubeless"
+      prefix.install_metafiles
+    end
+  end
+
+  test do
+    require "socket"
+
+    server = TCPServer.new("127.0.0.1", 0)
+    port = server.addr[1]
+    pid = fork do
+      loop do
+        socket = server.accept
+        response = "OK"
+        socket.print "HTTP/1.1 200 OK\r\n" \
+                    "Content-Length: #{response.bytesize}\r\n" \
+                    "Connection: close\r\n"
+        socket.print "\r\n"
+        socket.print response
+        socket.close
+      end
+    end
+
+    (testpath/"kube-config").write <<~EOS
+      apiVersion: v1
+      clusters:
+      - cluster:
+          certificate-authority-data: test
+          server: http://127.0.0.1:#{port}
+        name: test
+      contexts:
+      - context:
+          cluster: test
+          user: test
+        name: test
+      current-context: test
+      kind: Config
+      preferences: {}
+      users:
+      - name: test
+        user:
+          token: test
+    EOS
+
+    (testpath/"test.py").write "function_code"
+
+    begin
+      ENV["KUBECONFIG"] = testpath/"kube-config"
+      system bin/"kubeless", "function", "deploy", "--from-file", "test.py",
+                             "--runtime", "python2.7", "--handler", "test.foo",
+                             "test"
+    ensure
+      Process.kill("TERM", pid)
+      Process.wait(pid)
+    end
+  end
+end