Merge pull request #916 from nickhammond/buildpacks

Add pack option to the builder options for cloud native buildpacks

test/commands/builder_test.rb

@@ -61,6 +61,32 @@ class CommandsBuilderTest < ActiveSupport::TestCase
       builder.push.join(" ")
   end
 
+  test "target pack when pack is set" do
+    builder = new_builder_command(image: "dhh/app", builder: { "arch" => "amd64", "pack" => { "builder" => "heroku/builder:24", "buildpacks" => [ "heroku/ruby", "heroku/procfile" ] } })
+    assert_equal "pack", builder.name
+    assert_equal \
+      "pack build dhh/app --platform linux/amd64 --creation-time now --builder heroku/builder:24 --buildpack heroku/ruby --buildpack heroku/procfile --buildpack paketo-buildpacks/image-labels -t dhh/app:123 -t dhh/app:latest --env BP_IMAGE_LABELS=service=app --path . && docker push dhh/app:123 && docker push dhh/app:latest",
+      builder.push.join(" ")
+  end
+
+  test "pack build args passed as env" do
+    builder = new_builder_command(image: "dhh/app", builder: { "args" => { "a" => 1, "b" => 2 }, "arch" => "amd64", "pack" => { "builder" => "heroku/builder:24", "buildpacks" => [ "heroku/ruby", "heroku/procfile" ] } })
+
+    assert_equal \
+      "pack build dhh/app --platform linux/amd64 --creation-time now --builder heroku/builder:24 --buildpack heroku/ruby --buildpack heroku/procfile --buildpack paketo-buildpacks/image-labels -t dhh/app:123 -t dhh/app:latest --env BP_IMAGE_LABELS=service=app --env a=\"1\" --env b=\"2\" --path . && docker push dhh/app:123 && docker push dhh/app:latest",
+    builder.push.join(" ")
+  end
+
+  test "pack build secrets as env" do
+    with_test_secrets("secrets" => "token_a=foo\ntoken_b=bar") do
+      builder = new_builder_command(image: "dhh/app", builder: { "secrets" => [ "token_a", "token_b" ], "arch" => "amd64", "pack" => { "builder" => "heroku/builder:24", "buildpacks" => [ "heroku/ruby", "heroku/procfile" ] } })
+
+      assert_equal \
+        "pack build dhh/app --platform linux/amd64 --creation-time now --builder heroku/builder:24 --buildpack heroku/ruby --buildpack heroku/procfile --buildpack paketo-buildpacks/image-labels -t dhh/app:123 -t dhh/app:latest --env BP_IMAGE_LABELS=service=app --env token_a=\"foo\" --env token_b=\"bar\" --path . && docker push dhh/app:123 && docker push dhh/app:latest",
+      builder.push.join(" ")
+    end
+  end
+
   test "cloud builder" do
     builder = new_builder_command(builder: { "arch" => [ "#{local_arch}" ], "driver" => "cloud docker-org-name/builder-name" })
     assert_equal "cloud", builder.name

test/configuration/builder_test.rb

@@ -16,6 +16,23 @@ class ConfigurationBuilderTest < ActiveSupport::TestCase
     assert_equal false, config.builder.remote?
   end
 
+  test "pack?" do
+    assert_not config.builder.pack?
+  end
+
+  test "pack? with pack builder" do
+    @deploy[:builder] = { "arch" => "arm64", "pack" => { "builder" => "heroku/builder:24" } }
+
+    assert config.builder.pack?
+  end
+
+  test "pack details" do
+    @deploy[:builder] = { "arch" => "amd64", "pack" => { "builder" => "heroku/builder:24", "buildpacks" => [ "heroku/ruby", "heroku/procfile" ] } }
+
+    assert_equal "heroku/builder:24", config.builder.pack_builder
+    assert_equal [ "heroku/ruby", "heroku/procfile" ], config.builder.pack_buildpacks
+  end
+
   test "remote" do
     assert_nil config.builder.remote
   end

test/configuration/validation_test.rb

@@ -96,6 +96,7 @@ class ConfigurationValidationTest < ActiveSupport::TestCase
     assert_error "builder/arch: should be an array or a string", builder: { "arch" => {} }
     assert_error "builder/args: should be a hash", builder: { "args" => [ "foo" ] }
     assert_error "builder/cache/options: should be a string", builder: { "cache" => { "options" => [] } }
+    assert_error "builder: buildpacks only support building for one arch", builder: { "arch" => [ "amd64", "arm64" ], "pack" => { "builder" => "heroku/builder:24" } }
   end
 
   private