Docker does not respect the .dockerignore file when building from a tar. Instead by default we'll make a local clone into a tmp directory and build from there. Subsequent builds will reset the clone to match the checkout. Compared to building directly in the repo, we'll have reproducible builds. Compared to using a git archive: 1. .dockerignore is respected 2. We'll have faster builds - docker can be smarter about caching the build context on subsequent builds from a directory To build from the repo directly, set the build context to "." in the config. If there are uncommitted changes, we'll warn about them either being included or ignored depending on whether we build from the clone.
170 lines
7.9 KiB
Ruby
170 lines
7.9 KiB
Ruby
require "test_helper"
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class CommandsBuilderTest < ActiveSupport::TestCase
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setup do
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@config = { service: "app", image: "dhh/app", registry: { "username" => "dhh", "password" => "secret" }, servers: [ "1.1.1.1" ] }
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end
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test "target multiarch by default" do
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builder = new_builder_command(builder: { "cache" => { "type" => "gha" } })
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assert_equal "multiarch", builder.name
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assert_equal \
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"docker buildx build --push --platform linux/amd64,linux/arm64 --builder kamal-app-multiarch -t dhh/app:123 -t dhh/app:latest --cache-to type=gha --cache-from type=gha --label service=\"app\" --file Dockerfile .",
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builder.push.join(" ")
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end
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test "target native when multiarch is off" do
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builder = new_builder_command(builder: { "multiarch" => false })
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assert_equal "native", builder.name
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assert_equal \
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"docker build -t dhh/app:123 -t dhh/app:latest --label service=\"app\" --file Dockerfile . && docker push dhh/app:123 && docker push dhh/app:latest",
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builder.push.join(" ")
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end
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test "target native cached when multiarch is off and cache is set" do
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builder = new_builder_command(builder: { "multiarch" => false, "cache" => { "type" => "gha" } })
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assert_equal "native/cached", builder.name
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assert_equal \
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"docker buildx build --push -t dhh/app:123 -t dhh/app:latest --cache-to type=gha --cache-from type=gha --label service=\"app\" --file Dockerfile .",
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builder.push.join(" ")
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end
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test "target multiarch remote when local and remote is set" do
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builder = new_builder_command(builder: { "local" => {}, "remote" => {}, "cache" => { "type" => "gha" } })
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assert_equal "multiarch/remote", builder.name
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assert_equal \
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"docker buildx build --push --platform linux/amd64,linux/arm64 --builder kamal-app-multiarch-remote -t dhh/app:123 -t dhh/app:latest --cache-to type=gha --cache-from type=gha --label service=\"app\" --file Dockerfile .",
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builder.push.join(" ")
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end
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test "target multiarch local when arch is set" do
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builder = new_builder_command(builder: { "local" => { "arch" => "amd64" } })
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assert_equal "multiarch", builder.name
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assert_equal \
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"docker buildx build --push --platform linux/amd64 --builder kamal-app-multiarch -t dhh/app:123 -t dhh/app:latest --label service=\"app\" --file Dockerfile .",
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builder.push.join(" ")
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end
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test "target native remote when only remote is set" do
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builder = new_builder_command(builder: { "remote" => { "arch" => "amd64" }, "cache" => { "type" => "gha" } })
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assert_equal "native/remote", builder.name
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assert_equal \
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"docker buildx build --push --platform linux/amd64 --builder kamal-app-native-remote -t dhh/app:123 -t dhh/app:latest --cache-to type=gha --cache-from type=gha --label service=\"app\" --file Dockerfile .",
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builder.push.join(" ")
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end
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test "build args" do
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builder = new_builder_command(builder: { "args" => { "a" => 1, "b" => 2 } })
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assert_equal \
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"-t dhh/app:123 -t dhh/app:latest --label service=\"app\" --build-arg a=\"1\" --build-arg b=\"2\" --file Dockerfile",
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builder.target.build_options.join(" ")
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end
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test "build secrets" do
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builder = new_builder_command(builder: { "secrets" => [ "token_a", "token_b" ] })
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assert_equal \
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"-t dhh/app:123 -t dhh/app:latest --label service=\"app\" --secret id=\"token_a\" --secret id=\"token_b\" --file Dockerfile",
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builder.target.build_options.join(" ")
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end
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test "build dockerfile" do
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Pathname.any_instance.expects(:exist?).returns(true).once
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builder = new_builder_command(builder: { "dockerfile" => "Dockerfile.xyz" })
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assert_equal \
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"-t dhh/app:123 -t dhh/app:latest --label service=\"app\" --file Dockerfile.xyz",
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builder.target.build_options.join(" ")
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end
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test "missing dockerfile" do
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Pathname.any_instance.expects(:exist?).returns(false).once
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builder = new_builder_command(builder: { "dockerfile" => "Dockerfile.xyz" })
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assert_raises(Kamal::Commands::Builder::Base::BuilderError) do
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builder.target.build_options.join(" ")
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end
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end
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test "build target" do
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builder = new_builder_command(builder: { "target" => "prod" })
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assert_equal \
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"-t dhh/app:123 -t dhh/app:latest --label service=\"app\" --file Dockerfile --target prod",
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builder.target.build_options.join(" ")
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end
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test "build context" do
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builder = new_builder_command(builder: { "context" => ".." })
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assert_equal \
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"docker buildx build --push --platform linux/amd64,linux/arm64 --builder kamal-app-multiarch -t dhh/app:123 -t dhh/app:latest --label service=\"app\" --file Dockerfile ..",
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builder.push.join(" ")
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end
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test "native push with build args" do
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builder = new_builder_command(builder: { "multiarch" => false, "args" => { "a" => 1, "b" => 2 } })
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assert_equal \
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"docker build -t dhh/app:123 -t dhh/app:latest --label service=\"app\" --build-arg a=\"1\" --build-arg b=\"2\" --file Dockerfile . && docker push dhh/app:123 && docker push dhh/app:latest",
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builder.push.join(" ")
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end
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test "multiarch push with build args" do
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builder = new_builder_command(builder: { "args" => { "a" => 1, "b" => 2 } })
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assert_equal \
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"docker buildx build --push --platform linux/amd64,linux/arm64 --builder kamal-app-multiarch -t dhh/app:123 -t dhh/app:latest --label service=\"app\" --build-arg a=\"1\" --build-arg b=\"2\" --file Dockerfile .",
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builder.push.join(" ")
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end
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test "native push with build secrets" do
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builder = new_builder_command(builder: { "multiarch" => false, "secrets" => [ "a", "b" ] })
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assert_equal \
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"docker build -t dhh/app:123 -t dhh/app:latest --label service=\"app\" --secret id=\"a\" --secret id=\"b\" --file Dockerfile . && docker push dhh/app:123 && docker push dhh/app:latest",
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builder.push.join(" ")
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end
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test "build with ssh agent socket" do
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builder = new_builder_command(builder: { "ssh" => "default=$SSH_AUTH_SOCK" })
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assert_equal \
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"-t dhh/app:123 -t dhh/app:latest --label service=\"app\" --file Dockerfile --ssh default=$SSH_AUTH_SOCK",
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builder.target.build_options.join(" ")
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end
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test "validate image" do
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assert_equal "docker inspect -f '{{ .Config.Labels.service }}' dhh/app:123 | grep -x app || (echo \"Image dhh/app:123 is missing the 'service' label\" && exit 1)", new_builder_command.validate_image.join(" ")
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end
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test "multiarch context build" do
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builder = new_builder_command(builder: { "context" => "./foo" })
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assert_equal \
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"docker buildx build --push --platform linux/amd64,linux/arm64 --builder kamal-app-multiarch -t dhh/app:123 -t dhh/app:latest --label service=\"app\" --file Dockerfile ./foo",
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builder.push.join(" ")
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end
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test "native context build" do
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builder = new_builder_command(builder: { "multiarch" => false, "context" => "./foo" })
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assert_equal \
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"docker build -t dhh/app:123 -t dhh/app:latest --label service=\"app\" --file Dockerfile ./foo && docker push dhh/app:123 && docker push dhh/app:latest",
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builder.push.join(" ")
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end
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test "cached context build" do
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builder = new_builder_command(builder: { "multiarch" => false, "context" => "./foo", "cache" => { "type" => "gha" } })
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assert_equal \
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"docker buildx build --push -t dhh/app:123 -t dhh/app:latest --cache-to type=gha --cache-from type=gha --label service=\"app\" --file Dockerfile ./foo",
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builder.push.join(" ")
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end
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test "remote context build" do
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builder = new_builder_command(builder: { "remote" => { "arch" => "amd64" }, "context" => "./foo" })
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assert_equal \
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"docker buildx build --push --platform linux/amd64 --builder kamal-app-native-remote -t dhh/app:123 -t dhh/app:latest --label service=\"app\" --file Dockerfile ./foo",
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builder.push.join(" ")
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end
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private
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def new_builder_command(additional_config = {})
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Kamal::Commands::Builder.new(Kamal::Configuration.new(@config.merge(additional_config), version: "123"))
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end
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def build_directory
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"#{Dir.tmpdir}/kamal-clones/app/kamal/"
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end
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end
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