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create_builder_test.go
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create_builder_test.go
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package pack_test
import (
"bytes"
"context"
"fmt"
"io/ioutil"
"os"
"path/filepath"
"runtime"
"testing"
"github.com/buildpacks/imgutil/fakes"
"github.com/buildpacks/lifecycle/api"
"github.com/docker/docker/api/types"
"github.com/golang/mock/gomock"
"github.com/heroku/color"
"github.com/pkg/errors"
"github.com/sclevine/spec"
"github.com/sclevine/spec/report"
"github.com/buildpacks/pack"
pubbldr "github.com/buildpacks/pack/builder"
pubbldpkg "github.com/buildpacks/pack/buildpackage"
"github.com/buildpacks/pack/config"
"github.com/buildpacks/pack/internal/blob"
"github.com/buildpacks/pack/internal/builder"
cfg "github.com/buildpacks/pack/internal/config"
"github.com/buildpacks/pack/internal/dist"
ifakes "github.com/buildpacks/pack/internal/fakes"
"github.com/buildpacks/pack/internal/image"
ilogging "github.com/buildpacks/pack/internal/logging"
"github.com/buildpacks/pack/internal/paths"
"github.com/buildpacks/pack/internal/style"
"github.com/buildpacks/pack/logging"
h "github.com/buildpacks/pack/testhelpers"
"github.com/buildpacks/pack/testmocks"
)
func TestCreateBuilder(t *testing.T) {
color.Disable(true)
defer color.Disable(false)
spec.Run(t, "create_builder", testCreateBuilder, spec.Parallel(), spec.Report(report.Terminal{}))
}
func testCreateBuilder(t *testing.T, when spec.G, it spec.S) {
when("#CreateBuilder", func() {
var (
mockController *gomock.Controller
mockDownloader *testmocks.MockDownloader
mockImageFactory *testmocks.MockImageFactory
mockImageFetcher *testmocks.MockImageFetcher
mockDockerClient *testmocks.MockCommonAPIClient
fakeBuildImage *fakes.Image
fakeRunImage *fakes.Image
fakeRunImageMirror *fakes.Image
opts pack.CreateBuilderOptions
subject *pack.Client
logger logging.Logger
out bytes.Buffer
tmpDir string
)
it.Before(func() {
logger = ilogging.NewLogWithWriters(&out, &out, ilogging.WithVerbose())
mockController = gomock.NewController(t)
mockDownloader = testmocks.NewMockDownloader(mockController)
mockImageFetcher = testmocks.NewMockImageFetcher(mockController)
mockImageFactory = testmocks.NewMockImageFactory(mockController)
mockDockerClient = testmocks.NewMockCommonAPIClient(mockController)
fakeBuildImage = fakes.NewImage("some/build-image", "", nil)
h.AssertNil(t, fakeBuildImage.SetLabel("io.buildpacks.stack.id", "some.stack.id"))
h.AssertNil(t, fakeBuildImage.SetLabel("io.buildpacks.stack.mixins", `["mixinX", "build:mixinY"]`))
h.AssertNil(t, fakeBuildImage.SetEnv("CNB_USER_ID", "1234"))
h.AssertNil(t, fakeBuildImage.SetEnv("CNB_GROUP_ID", "4321"))
fakeRunImage = fakes.NewImage("some/run-image", "", nil)
h.AssertNil(t, fakeRunImage.SetLabel("io.buildpacks.stack.id", "some.stack.id"))
fakeRunImageMirror = fakes.NewImage("localhost:5000/some/run-image", "", nil)
h.AssertNil(t, fakeRunImageMirror.SetLabel("io.buildpacks.stack.id", "some.stack.id"))
mockDownloader.EXPECT().Download(gomock.Any(), "https://example.fake/bp-one.tgz").Return(blob.NewBlob(filepath.Join("testdata", "buildpack")), nil).AnyTimes()
mockDownloader.EXPECT().Download(gomock.Any(), "some/buildpack/dir").Return(blob.NewBlob(filepath.Join("testdata", "buildpack")), nil).AnyTimes()
mockDownloader.EXPECT().Download(gomock.Any(), "file:///some-lifecycle").Return(blob.NewBlob(filepath.Join("testdata", "lifecycle", "platform-0.4")), nil).AnyTimes()
mockDownloader.EXPECT().Download(gomock.Any(), "file:///some-lifecycle-platform-0-1").Return(blob.NewBlob(filepath.Join("testdata", "lifecycle-platform-0.1")), nil).AnyTimes()
var err error
subject, err = pack.NewClient(
pack.WithLogger(logger),
pack.WithDownloader(mockDownloader),
pack.WithImageFactory(mockImageFactory),
pack.WithFetcher(mockImageFetcher),
pack.WithDockerClient(mockDockerClient),
)
h.AssertNil(t, err)
mockDockerClient.EXPECT().Info(context.TODO()).Return(types.Info{OSType: "linux"}, nil).AnyTimes()
opts = pack.CreateBuilderOptions{
RelativeBaseDir: "/",
BuilderName: "some/builder",
Config: pubbldr.Config{
Description: "Some description",
Buildpacks: []pubbldr.BuildpackConfig{
{
BuildpackInfo: dist.BuildpackInfo{ID: "bp.one", Version: "1.2.3", Homepage: "http://one.buildpack"},
ImageOrURI: dist.ImageOrURI{
BuildpackURI: dist.BuildpackURI{
URI: "https://example.fake/bp-one.tgz",
},
},
},
},
Order: []dist.OrderEntry{{
Group: []dist.BuildpackRef{
{BuildpackInfo: dist.BuildpackInfo{ID: "bp.one", Version: "1.2.3"}, Optional: false},
}},
},
Stack: pubbldr.StackConfig{
ID: "some.stack.id",
BuildImage: "some/build-image",
RunImage: "some/run-image",
RunImageMirrors: []string{"localhost:5000/some/run-image"},
},
Lifecycle: pubbldr.LifecycleConfig{URI: "file:///some-lifecycle"},
},
Publish: false,
PullPolicy: config.PullAlways,
}
tmpDir, err = ioutil.TempDir("", "create-builder-test")
h.AssertNil(t, err)
})
it.After(func() {
mockController.Finish()
h.AssertNil(t, os.RemoveAll(tmpDir))
})
var prepareFetcherWithRunImages = func() {
mockImageFetcher.EXPECT().Fetch(gomock.Any(), "some/run-image", gomock.Any(), gomock.Any()).Return(fakeRunImage, nil).AnyTimes()
mockImageFetcher.EXPECT().Fetch(gomock.Any(), "localhost:5000/some/run-image", gomock.Any(), gomock.Any()).Return(fakeRunImageMirror, nil).AnyTimes()
}
var prepareFetcherWithBuildImage = func() {
mockImageFetcher.EXPECT().Fetch(gomock.Any(), "some/build-image", gomock.Any(), gomock.Any()).Return(fakeBuildImage, nil)
}
var successfullyCreateBuilder = func() *builder.Builder {
t.Helper()
err := subject.CreateBuilder(context.TODO(), opts)
h.AssertNil(t, err)
h.AssertEq(t, fakeBuildImage.IsSaved(), true)
bldr, err := builder.FromImage(fakeBuildImage)
h.AssertNil(t, err)
return bldr
}
var createBuildpack = func(descriptor dist.BuildpackDescriptor) string {
bp, err := ifakes.NewFakeBuildpackBlob(descriptor, 0644)
h.AssertNil(t, err)
url := fmt.Sprintf("https://example.com/bp.%s.tgz", h.RandString(12))
mockDownloader.EXPECT().Download(gomock.Any(), url).Return(bp, nil).AnyTimes()
return url
}
var createPackage = func(imageName string) *fakes.Image {
packageImage := fakes.NewImage(imageName, "", nil)
mockImageFactory.EXPECT().NewImage(packageImage.Name(), false).Return(packageImage, nil)
h.AssertNil(t, subject.PackageBuildpack(context.TODO(), pack.PackageBuildpackOptions{
Name: packageImage.Name(),
Config: pubbldpkg.Config{
Platform: dist.Platform{OS: "linux"},
Buildpack: dist.BuildpackURI{URI: createBuildpack(dist.BuildpackDescriptor{
API: api.MustParse("0.3"),
Info: dist.BuildpackInfo{ID: "example/foo", Version: "1.1.0"},
Stacks: []dist.Stack{{ID: "some.stack.id"}},
})},
},
Publish: true,
}))
return packageImage
}
when("validating the builder config", func() {
it("should fail when the stack ID is empty", func() {
opts.Config.Stack.ID = ""
err := subject.CreateBuilder(context.TODO(), opts)
h.AssertError(t, err, "stack.id is required")
})
it("should fail when the stack ID from the builder config does not match the stack ID from the build image", func() {
mockImageFetcher.EXPECT().Fetch(gomock.Any(), "some/build-image", true, config.PullAlways).Return(fakeBuildImage, nil)
h.AssertNil(t, fakeBuildImage.SetLabel("io.buildpacks.stack.id", "other.stack.id"))
prepareFetcherWithRunImages()
err := subject.CreateBuilder(context.TODO(), opts)
h.AssertError(t, err, "stack 'some.stack.id' from builder config is incompatible with stack 'other.stack.id' from build image")
})
it("should fail when the build image is empty", func() {
opts.Config.Stack.BuildImage = ""
err := subject.CreateBuilder(context.TODO(), opts)
h.AssertError(t, err, "stack.build-image is required")
})
it("should fail when the run image is empty", func() {
opts.Config.Stack.RunImage = ""
err := subject.CreateBuilder(context.TODO(), opts)
h.AssertError(t, err, "stack.run-image is required")
})
it("should fail when lifecycle version is not a semver", func() {
prepareFetcherWithBuildImage()
prepareFetcherWithRunImages()
opts.Config.Lifecycle.URI = ""
opts.Config.Lifecycle.Version = "not-semver"
err := subject.CreateBuilder(context.TODO(), opts)
h.AssertError(t, err, "'lifecycle.version' must be a valid semver")
})
it("should fail when both lifecycle version and uri are present", func() {
prepareFetcherWithBuildImage()
prepareFetcherWithRunImages()
opts.Config.Lifecycle.URI = "file://some-lifecycle"
opts.Config.Lifecycle.Version = "something"
err := subject.CreateBuilder(context.TODO(), opts)
h.AssertError(t, err, "'lifecycle' can only declare 'version' or 'uri', not both")
})
it("should fail when buildpack ID does not match downloaded buildpack", func() {
prepareFetcherWithBuildImage()
prepareFetcherWithRunImages()
opts.Config.Buildpacks[0].ID = "does.not.match"
err := subject.CreateBuilder(context.TODO(), opts)
h.AssertError(t, err, "buildpack from URI 'https://example.fake/bp-one.tgz' has ID 'bp.one' which does not match ID 'does.not.match' from builder config")
})
it("should fail when buildpack version does not match downloaded buildpack", func() {
prepareFetcherWithBuildImage()
prepareFetcherWithRunImages()
opts.Config.Buildpacks[0].Version = "0.0.0"
err := subject.CreateBuilder(context.TODO(), opts)
h.AssertError(t, err, "buildpack from URI 'https://example.fake/bp-one.tgz' has version '1.2.3' which does not match version '0.0.0' from builder config")
})
})
when("validating the run image config", func() {
it("should fail when the stack ID from the builder config does not match the stack ID from the run image", func() {
prepareFetcherWithRunImages()
h.AssertNil(t, fakeRunImage.SetLabel("io.buildpacks.stack.id", "other.stack.id"))
err := subject.CreateBuilder(context.TODO(), opts)
h.AssertError(t, err, "stack 'some.stack.id' from builder config is incompatible with stack 'other.stack.id' from run image 'some/run-image'")
})
it("should fail when the stack ID from the builder config does not match the stack ID from the run image mirrors", func() {
prepareFetcherWithRunImages()
h.AssertNil(t, fakeRunImageMirror.SetLabel("io.buildpacks.stack.id", "other.stack.id"))
err := subject.CreateBuilder(context.TODO(), opts)
h.AssertError(t, err, "stack 'some.stack.id' from builder config is incompatible with stack 'other.stack.id' from run image 'localhost:5000/some/run-image'")
})
it("should warn when the run image cannot be found", func() {
mockImageFetcher.EXPECT().Fetch(gomock.Any(), "some/build-image", true, config.PullAlways).Return(fakeBuildImage, nil)
mockImageFetcher.EXPECT().Fetch(gomock.Any(), "some/run-image", false, config.PullAlways).Return(nil, errors.Wrap(image.ErrNotFound, "yikes"))
mockImageFetcher.EXPECT().Fetch(gomock.Any(), "some/run-image", true, config.PullAlways).Return(nil, errors.Wrap(image.ErrNotFound, "yikes"))
mockImageFetcher.EXPECT().Fetch(gomock.Any(), "localhost:5000/some/run-image", false, config.PullAlways).Return(nil, errors.Wrap(image.ErrNotFound, "yikes"))
mockImageFetcher.EXPECT().Fetch(gomock.Any(), "localhost:5000/some/run-image", true, config.PullAlways).Return(nil, errors.Wrap(image.ErrNotFound, "yikes"))
err := subject.CreateBuilder(context.TODO(), opts)
h.AssertNil(t, err)
h.AssertContains(t, out.String(), "Warning: run image 'some/run-image' is not accessible")
})
it("should fail when not publish and the run image cannot be fetched", func() {
mockImageFetcher.EXPECT().Fetch(gomock.Any(), "some/run-image", true, config.PullAlways).Return(nil, errors.New("yikes"))
err := subject.CreateBuilder(context.TODO(), opts)
h.AssertError(t, err, "failed to fetch image: yikes")
})
it("should fail when publish and the run image cannot be fetched", func() {
mockImageFetcher.EXPECT().Fetch(gomock.Any(), "some/run-image", false, config.PullAlways).Return(nil, errors.New("yikes"))
opts.Publish = true
err := subject.CreateBuilder(context.TODO(), opts)
h.AssertError(t, err, "failed to fetch image: yikes")
})
it("should fail when the run image isn't a valid image", func() {
fakeImage := fakeBadImageStruct{}
mockImageFetcher.EXPECT().Fetch(gomock.Any(), "some/run-image", gomock.Any(), gomock.Any()).Return(fakeImage, nil).AnyTimes()
mockImageFetcher.EXPECT().Fetch(gomock.Any(), "localhost:5000/some/run-image", gomock.Any(), gomock.Any()).Return(fakeImage, nil).AnyTimes()
err := subject.CreateBuilder(context.TODO(), opts)
h.AssertError(t, err, "failed to label image")
})
when("publish is true", func() {
it("should only try to validate the remote run image", func() {
mockImageFetcher.EXPECT().Fetch(gomock.Any(), "some/build-image", true, gomock.Any()).Times(0)
mockImageFetcher.EXPECT().Fetch(gomock.Any(), "some/run-image", true, gomock.Any()).Times(0)
mockImageFetcher.EXPECT().Fetch(gomock.Any(), "localhost:5000/some/run-image", true, gomock.Any()).Times(0)
mockImageFetcher.EXPECT().Fetch(gomock.Any(), "some/build-image", false, gomock.Any()).Return(fakeBuildImage, nil)
mockImageFetcher.EXPECT().Fetch(gomock.Any(), "some/run-image", false, gomock.Any()).Return(fakeRunImage, nil)
mockImageFetcher.EXPECT().Fetch(gomock.Any(), "localhost:5000/some/run-image", false, gomock.Any()).Return(fakeRunImageMirror, nil)
opts.Publish = true
err := subject.CreateBuilder(context.TODO(), opts)
h.AssertNil(t, err)
})
})
})
when("creating the base builder", func() {
when("build image not found", func() {
it("should fail", func() {
prepareFetcherWithRunImages()
mockImageFetcher.EXPECT().Fetch(gomock.Any(), "some/build-image", true, config.PullAlways).Return(nil, image.ErrNotFound)
err := subject.CreateBuilder(context.TODO(), opts)
h.AssertError(t, err, "fetch build image: not found")
})
})
when("build image isn't a valid image", func() {
it("should fail", func() {
fakeImage := fakeBadImageStruct{}
prepareFetcherWithRunImages()
mockImageFetcher.EXPECT().Fetch(gomock.Any(), "some/build-image", true, config.PullAlways).Return(fakeImage, nil)
err := subject.CreateBuilder(context.TODO(), opts)
h.AssertError(t, err, "failed to create builder: invalid build-image")
})
})
when("windows containers", func() {
when("experimental enabled", func() {
it("succeeds", func() {
packClientWithExperimental, err := pack.NewClient(
pack.WithLogger(logger),
pack.WithDownloader(mockDownloader),
pack.WithImageFactory(mockImageFactory),
pack.WithFetcher(mockImageFetcher),
pack.WithExperimental(true),
)
h.AssertNil(t, err)
prepareFetcherWithRunImages()
h.AssertNil(t, fakeBuildImage.SetOS("windows"))
mockImageFetcher.EXPECT().Fetch(gomock.Any(), "some/build-image", true, config.PullAlways).Return(fakeBuildImage, nil)
err = packClientWithExperimental.CreateBuilder(context.TODO(), opts)
h.AssertNil(t, err)
})
})
when("experimental disabled", func() {
it("fails", func() {
prepareFetcherWithRunImages()
h.AssertNil(t, fakeBuildImage.SetOS("windows"))
mockImageFetcher.EXPECT().Fetch(gomock.Any(), "some/build-image", true, config.PullAlways).Return(fakeBuildImage, nil)
err := subject.CreateBuilder(context.TODO(), opts)
h.AssertError(t, err, "failed to create builder: Windows containers support is currently experimental.")
})
})
})
when("error downloading lifecycle", func() {
it("should fail", func() {
prepareFetcherWithBuildImage()
prepareFetcherWithRunImages()
opts.Config.Lifecycle.URI = "fake"
uri, err := paths.FilePathToURI(opts.Config.Lifecycle.URI, opts.RelativeBaseDir)
h.AssertNil(t, err)
mockDownloader.EXPECT().Download(gomock.Any(), uri).Return(nil, errors.New("error here")).AnyTimes()
err = subject.CreateBuilder(context.TODO(), opts)
h.AssertError(t, err, "downloading lifecycle")
})
})
when("lifecycle isn't a valid lifecycle", func() {
it("should fail", func() {
prepareFetcherWithBuildImage()
prepareFetcherWithRunImages()
opts.Config.Lifecycle.URI = "fake"
uri, err := paths.FilePathToURI(opts.Config.Lifecycle.URI, opts.RelativeBaseDir)
h.AssertNil(t, err)
mockDownloader.EXPECT().Download(gomock.Any(), uri).Return(blob.NewBlob(filepath.Join("testdata", "empty-file")), nil).AnyTimes()
err = subject.CreateBuilder(context.TODO(), opts)
h.AssertError(t, err, "invalid lifecycle")
})
})
})
when("only lifecycle version is provided", func() {
it("should download from predetermined uri", func() {
prepareFetcherWithBuildImage()
prepareFetcherWithRunImages()
opts.Config.Lifecycle.URI = ""
opts.Config.Lifecycle.Version = "3.4.5"
mockDownloader.EXPECT().Download(
gomock.Any(),
"https://github.com/buildpacks/lifecycle/releases/download/v3.4.5/lifecycle-v3.4.5+linux.x86-64.tgz",
).Return(
blob.NewBlob(filepath.Join("testdata", "lifecycle", "platform-0.4")), nil,
)
err := subject.CreateBuilder(context.TODO(), opts)
h.AssertNil(t, err)
})
when("windows", func() {
it("should download from predetermined uri", func() {
packClientWithExperimental, err := pack.NewClient(
pack.WithLogger(logger),
pack.WithDownloader(mockDownloader),
pack.WithImageFactory(mockImageFactory),
pack.WithFetcher(mockImageFetcher),
pack.WithExperimental(true),
)
h.AssertNil(t, err)
prepareFetcherWithBuildImage()
prepareFetcherWithRunImages()
opts.Config.Lifecycle.URI = ""
opts.Config.Lifecycle.Version = "3.4.5"
h.AssertNil(t, fakeBuildImage.SetOS("windows"))
mockDownloader.EXPECT().Download(
gomock.Any(),
"https://github.com/buildpacks/lifecycle/releases/download/v3.4.5/lifecycle-v3.4.5+windows.x86-64.tgz",
).Return(
blob.NewBlob(filepath.Join("testdata", "lifecycle", "platform-0.4")), nil,
)
err = packClientWithExperimental.CreateBuilder(context.TODO(), opts)
h.AssertNil(t, err)
})
})
})
when("no lifecycle version or URI is provided", func() {
it("should download default lifecycle", func() {
prepareFetcherWithBuildImage()
prepareFetcherWithRunImages()
opts.Config.Lifecycle.URI = ""
opts.Config.Lifecycle.Version = ""
mockDownloader.EXPECT().Download(
gomock.Any(),
fmt.Sprintf(
"https://github.com/buildpacks/lifecycle/releases/download/v%s/lifecycle-v%s+linux.x86-64.tgz",
builder.DefaultLifecycleVersion,
builder.DefaultLifecycleVersion,
),
).Return(
blob.NewBlob(filepath.Join("testdata", "lifecycle", "platform-0.4")), nil,
)
err := subject.CreateBuilder(context.TODO(), opts)
h.AssertNil(t, err)
})
when("windows", func() {
it("should download default lifecycle", func() {
packClientWithExperimental, err := pack.NewClient(
pack.WithLogger(logger),
pack.WithDownloader(mockDownloader),
pack.WithImageFactory(mockImageFactory),
pack.WithFetcher(mockImageFetcher),
pack.WithExperimental(true),
)
h.AssertNil(t, err)
prepareFetcherWithBuildImage()
prepareFetcherWithRunImages()
opts.Config.Lifecycle.URI = ""
opts.Config.Lifecycle.Version = ""
h.AssertNil(t, fakeBuildImage.SetOS("windows"))
mockDownloader.EXPECT().Download(
gomock.Any(),
fmt.Sprintf(
"https://github.com/buildpacks/lifecycle/releases/download/v%s/lifecycle-v%s+windows.x86-64.tgz",
builder.DefaultLifecycleVersion,
builder.DefaultLifecycleVersion,
),
).Return(
blob.NewBlob(filepath.Join("testdata", "lifecycle", "platform-0.4")), nil,
)
err = packClientWithExperimental.CreateBuilder(context.TODO(), opts)
h.AssertNil(t, err)
})
})
})
when("buildpack mixins are not satisfied", func() {
it("should return an error", func() {
prepareFetcherWithBuildImage()
prepareFetcherWithRunImages()
h.AssertNil(t, fakeBuildImage.SetLabel("io.buildpacks.stack.mixins", ""))
err := subject.CreateBuilder(context.TODO(), opts)
h.AssertError(t, err, "validating buildpacks: buildpack 'bp.one@1.2.3' requires missing mixin(s): build:mixinY, mixinX")
})
})
when("creation succeeds", func() {
it("should set basic metadata", func() {
prepareFetcherWithBuildImage()
prepareFetcherWithRunImages()
bldr := successfullyCreateBuilder()
h.AssertEq(t, bldr.Name(), "some/builder")
h.AssertEq(t, bldr.Description(), "Some description")
h.AssertEq(t, bldr.UID(), 1234)
h.AssertEq(t, bldr.GID(), 4321)
h.AssertEq(t, bldr.StackID, "some.stack.id")
})
it("should set buildpack and order metadata", func() {
prepareFetcherWithBuildImage()
prepareFetcherWithRunImages()
bldr := successfullyCreateBuilder()
bpInfo := dist.BuildpackInfo{
ID: "bp.one",
Version: "1.2.3",
Homepage: "http://one.buildpack",
}
h.AssertEq(t, bldr.Buildpacks(), []dist.BuildpackInfo{bpInfo})
bpInfo.Homepage = ""
h.AssertEq(t, bldr.Order(), dist.Order{{
Group: []dist.BuildpackRef{{
BuildpackInfo: bpInfo,
Optional: false,
}},
}})
})
it("should embed the lifecycle", func() {
prepareFetcherWithBuildImage()
prepareFetcherWithRunImages()
successfullyCreateBuilder()
layerTar, err := fakeBuildImage.FindLayerWithPath("/cnb/lifecycle")
h.AssertNil(t, err)
h.AssertTarHasFile(t, layerTar, "/cnb/lifecycle/detector")
h.AssertTarHasFile(t, layerTar, "/cnb/lifecycle/restorer")
h.AssertTarHasFile(t, layerTar, "/cnb/lifecycle/analyzer")
h.AssertTarHasFile(t, layerTar, "/cnb/lifecycle/builder")
h.AssertTarHasFile(t, layerTar, "/cnb/lifecycle/exporter")
h.AssertTarHasFile(t, layerTar, "/cnb/lifecycle/launcher")
})
it("should set lifecycle descriptor", func() {
prepareFetcherWithBuildImage()
prepareFetcherWithRunImages()
bldr := successfullyCreateBuilder()
h.AssertEq(t, bldr.LifecycleDescriptor().Info.Version.String(), "0.0.0")
//nolint:staticcheck
h.AssertEq(t, bldr.LifecycleDescriptor().API.BuildpackVersion.String(), "0.2")
//nolint:staticcheck
h.AssertEq(t, bldr.LifecycleDescriptor().API.PlatformVersion.String(), "0.2")
h.AssertEq(t, bldr.LifecycleDescriptor().APIs.Buildpack.Deprecated.AsStrings(), []string{"0.2", "0.3"})
h.AssertEq(t, bldr.LifecycleDescriptor().APIs.Buildpack.Supported.AsStrings(), []string{"0.2", "0.3", "0.4"})
h.AssertEq(t, bldr.LifecycleDescriptor().APIs.Platform.Deprecated.AsStrings(), []string{"0.2"})
h.AssertEq(t, bldr.LifecycleDescriptor().APIs.Platform.Supported.AsStrings(), []string{"0.3", "0.4"})
})
it("should warn when deprecated Buildpack API version used", func() {
prepareFetcherWithBuildImage()
prepareFetcherWithRunImages()
bldr := successfullyCreateBuilder()
h.AssertEq(t, bldr.LifecycleDescriptor().APIs.Buildpack.Deprecated.AsStrings(), []string{"0.2", "0.3"})
h.AssertContains(t, out.String(), fmt.Sprintf("Buildpack %s is using deprecated Buildpacks API version %s", style.Symbol("bp.one@1.2.3"), style.Symbol("0.3")))
})
it("shouldn't warn when Buildpack API version used isn't deprecated", func() {
prepareFetcherWithBuildImage()
prepareFetcherWithRunImages()
opts.Config.Buildpacks[0].URI = "https://example.fake/bp-one-with-api-4.tgz"
mockDownloader.EXPECT().Download(gomock.Any(), "https://example.fake/bp-one-with-api-4.tgz").Return(blob.NewBlob(filepath.Join("testdata", "buildpack-api-0.4")), nil).AnyTimes()
bldr := successfullyCreateBuilder()
h.AssertEq(t, bldr.LifecycleDescriptor().APIs.Buildpack.Deprecated.AsStrings(), []string{"0.2", "0.3"})
h.AssertNotContains(t, out.String(), "is using deprecated Buildpacks API version")
})
})
when("windows", func() {
it.Before(func() {
h.SkipIf(t, runtime.GOOS != "windows", "Skipped on non-windows")
})
it("disallows directory-based buildpacks", func() {
prepareFetcherWithBuildImage()
prepareFetcherWithRunImages()
opts.RelativeBaseDir = ""
opts.Config.Buildpacks[0].URI = `testdata\buildpack`
err := subject.CreateBuilder(context.TODO(), opts)
h.AssertError(t, err, `testdata/buildpack`)
h.AssertError(t, err, "directory-based buildpacks are not currently supported on Windows")
})
})
when("is posix", func() {
it.Before(func() {
h.SkipIf(t, runtime.GOOS == "windows", "Skipped on windows")
})
it("supports directory buildpacks", func() {
prepareFetcherWithBuildImage()
prepareFetcherWithRunImages()
opts.RelativeBaseDir = ""
directoryPath := "testdata/buildpack"
opts.Config.Buildpacks[0].URI = directoryPath
absURI, err := paths.FilePathToURI(directoryPath, "")
h.AssertNil(t, err)
mockDownloader.EXPECT().Download(gomock.Any(), absURI).Return(blob.NewBlob(directoryPath), nil).AnyTimes()
err = subject.CreateBuilder(context.TODO(), opts)
h.AssertNil(t, err)
})
})
when("invalid buildpack URI", func() {
when("buildpack URI is from=builder:fake", func() {
it("errors", func() {
prepareFetcherWithBuildImage()
prepareFetcherWithRunImages()
opts.Config.Buildpacks[0].URI = "from=builder:fake"
err := subject.CreateBuilder(context.TODO(), opts)
h.AssertError(t, err, "'from=builder:fake' is not a valid identifier")
})
})
when("buildpack URI is from=builder", func() {
it("errors", func() {
prepareFetcherWithBuildImage()
prepareFetcherWithRunImages()
opts.Config.Buildpacks[0].URI = "from=builder"
err := subject.CreateBuilder(context.TODO(), opts)
h.AssertError(t, err,
"invalid locator: FromBuilderLocator")
})
})
when("buildpack URI is invalid registry", func() {
it("errors", func() {
prepareFetcherWithBuildImage()
prepareFetcherWithRunImages()
opts.Registry = "://bad-url"
opts.Config.Buildpacks[0].URI = "urn:cnb:registry:fake"
err := subject.CreateBuilder(context.TODO(), opts)
h.AssertError(t, err,
"invalid registry")
})
})
when("buildpack is missing from registry", func() {
var configPath string
var registryFixture string
it("errors", func() {
prepareFetcherWithBuildImage()
prepareFetcherWithRunImages()
registryFixture = h.CreateRegistryFixture(t, tmpDir, filepath.Join("testdata", "registry"))
packHome := filepath.Join(tmpDir, "packHome")
h.AssertNil(t, os.Setenv("PACK_HOME", packHome))
configPath = filepath.Join(packHome, "config.toml")
h.AssertNil(t, cfg.Write(cfg.Config{
Registries: []cfg.Registry{
{
Name: "some-registry",
Type: "github",
URL: registryFixture,
},
},
}, configPath))
opts.Config.Buildpacks[0].URI = "urn:cnb:registry:fake"
opts.Registry = "some-registry"
err := subject.CreateBuilder(context.TODO(), opts)
h.AssertError(t, err,
"locating in registry")
})
})
when("can't download image from registry", func() {
var configPath string
var registryFixture string
it("errors", func() {
prepareFetcherWithBuildImage()
prepareFetcherWithRunImages()
registryFixture = h.CreateRegistryFixture(t, tmpDir, filepath.Join("testdata", "registry"))
opts.Config.Buildpacks[0].URI = "urn:cnb:registry:example/foo@1.1.0"
packHome := filepath.Join(tmpDir, "packHome")
h.AssertNil(t, os.Setenv("PACK_HOME", packHome))
configPath = filepath.Join(packHome, "config.toml")
h.AssertNil(t, cfg.Write(cfg.Config{
Registries: []cfg.Registry{
{
Name: "some-registry",
Type: "github",
URL: registryFixture,
},
},
}, configPath))
opts.Registry = "some-registry"
packageImage := fakes.NewImage("example.com/some/package@sha256:74eb48882e835d8767f62940d453eb96ed2737de3a16573881dcea7dea769df7", "", nil)
mockImageFetcher.EXPECT().Fetch(gomock.Any(), packageImage.Name(), true, config.PullAlways).Return(nil, errors.New("failed to pull"))
err := subject.CreateBuilder(context.TODO(), opts)
h.AssertError(t, err,
"extracting from registry")
})
})
when("buildpack URI is an invalid locator", func() {
it("errors", func() {
prepareFetcherWithBuildImage()
prepareFetcherWithRunImages()
opts.Config.Buildpacks[0].URI = "nonsense string here"
err := subject.CreateBuilder(context.TODO(), opts)
h.AssertError(t, err,
"invalid locator: InvalidLocator")
})
})
})
when("package file", func() {
it.Before(func() {
fileURI := func(path string) (original, uri string) {
absPath, err := paths.FilePathToURI(path, "")
h.AssertNil(t, err)
return path, absPath
}
cnbFile, cnbFileURI := fileURI(filepath.Join(tmpDir, "bp_one1.cnb"))
buildpackPath, buildpackPathURI := fileURI(filepath.Join("testdata", "buildpack"))
mockDownloader.EXPECT().Download(gomock.Any(), buildpackPathURI).Return(blob.NewBlob(buildpackPath), nil)
h.AssertNil(t, subject.PackageBuildpack(context.TODO(), pack.PackageBuildpackOptions{
Name: cnbFile,
Config: pubbldpkg.Config{
Platform: dist.Platform{OS: "linux"},
Buildpack: dist.BuildpackURI{URI: buildpackPath},
},
Format: "file",
}))
mockDownloader.EXPECT().Download(gomock.Any(), cnbFileURI).Return(blob.NewBlob(cnbFile), nil).AnyTimes()
opts.Config.Buildpacks = []pubbldr.BuildpackConfig{{
ImageOrURI: dist.ImageOrURI{BuildpackURI: dist.BuildpackURI{URI: cnbFile}},
}}
})
it("package file is valid", func() {
prepareFetcherWithBuildImage()
prepareFetcherWithRunImages()
bldr := successfullyCreateBuilder()
bpInfo := dist.BuildpackInfo{
ID: "bp.one",
Version: "1.2.3",
Homepage: "http://one.buildpack",
}
h.AssertEq(t, bldr.Buildpacks(), []dist.BuildpackInfo{bpInfo})
bpInfo.Homepage = ""
h.AssertEq(t, bldr.Order(), dist.Order{{
Group: []dist.BuildpackRef{{
BuildpackInfo: bpInfo,
Optional: false,
}},
}})
})
})
when("packages", func() {
var (
packageImage *fakes.Image
)
shouldFetchPackageImageWith := func(demon bool, pull config.PullPolicy) {
mockImageFetcher.EXPECT().Fetch(gomock.Any(), packageImage.Name(), demon, pull).Return(packageImage, nil)
}
when("package image lives in cnb registry", func() {
var (
tmpDir string
registryFixture string
packHome string
)
it.Before(func() {
var err error
tmpDir, err = ioutil.TempDir("", "registry")
h.AssertNil(t, err)
packHome = filepath.Join(tmpDir, ".pack")
err = os.MkdirAll(packHome, 0755)
h.AssertNil(t, err)
os.Setenv("PACK_HOME", packHome)
registryFixture = h.CreateRegistryFixture(t, tmpDir, filepath.Join("testdata", "registry"))
packageImage = createPackage("example.com/some/package@sha256:74eb48882e835d8767f62940d453eb96ed2737de3a16573881dcea7dea769df7")
})
it.After(func() {
os.Unsetenv("PACK_HOME")
err := os.RemoveAll(tmpDir)
h.AssertNil(t, err)
})
when("publish=false and pull-policy=always", func() {
var configPath string
it("should pull and use local package image", func() {
prepareFetcherWithBuildImage()
prepareFetcherWithRunImages()
opts.BuilderName = "some/builder"
packHome := filepath.Join(tmpDir, "packHome")
h.AssertNil(t, os.Setenv("PACK_HOME", packHome))
configPath = filepath.Join(packHome, "config.toml")
h.AssertNil(t, cfg.Write(cfg.Config{
Registries: []cfg.Registry{
{
Name: "some-registry",
Type: "github",
URL: registryFixture,
},
},
}, configPath))
opts.Publish = false
opts.PullPolicy = config.PullAlways
opts.Registry = "some-registry"
opts.Config.Buildpacks = append(
opts.Config.Buildpacks,
pubbldr.BuildpackConfig{
ImageOrURI: dist.ImageOrURI{
BuildpackURI: dist.BuildpackURI{
URI: "urn:cnb:registry:example/foo@1.1.0",
},
},
},
)
shouldFetchPackageImageWith(true, config.PullAlways)
h.AssertNil(t, subject.CreateBuilder(context.TODO(), opts))
})
})
})
when("package image lives in docker registry", func() {
it.Before(func() {
packageImage = fakes.NewImage("docker.io/some/package-"+h.RandString(12), "", nil)
mockImageFactory.EXPECT().NewImage(packageImage.Name(), false).Return(packageImage, nil)
bpd := dist.BuildpackDescriptor{
API: api.MustParse("0.3"),
Info: dist.BuildpackInfo{ID: "some.pkg.bp", Version: "2.3.4", Homepage: "http://meta.buildpack"},
Stacks: []dist.Stack{{ID: "some.stack.id"}},
}
h.AssertNil(t, subject.PackageBuildpack(context.TODO(), pack.PackageBuildpackOptions{
Name: packageImage.Name(),
Config: pubbldpkg.Config{
Platform: dist.Platform{OS: "linux"},
Buildpack: dist.BuildpackURI{URI: createBuildpack(bpd)},
},
Publish: true,
PullPolicy: config.PullAlways,
}))
})
prepareFetcherWithMissingPackageImage := func() {
mockImageFetcher.EXPECT().Fetch(gomock.Any(), packageImage.Name(), gomock.Any(), gomock.Any()).Return(nil, image.ErrNotFound)
}
when("image key is provided", func() {
it("should succeed", func() {
prepareFetcherWithBuildImage()
prepareFetcherWithRunImages()
packageImage = createPackage("some/package:tag")
opts.BuilderName = "some/builder"
opts.Publish = false
opts.PullPolicy = config.PullAlways
opts.Config.Buildpacks = append(
opts.Config.Buildpacks,
pubbldr.BuildpackConfig{
ImageOrURI: dist.ImageOrURI{
ImageRef: dist.ImageRef{ImageName: "some/package:tag"},
},
},
)
shouldFetchPackageImageWith(true, config.PullAlways)
h.AssertNil(t, subject.CreateBuilder(context.TODO(), opts))
})
})
when("publish=false and pull-policy=always", func() {
it("should pull and use local package image", func() {
prepareFetcherWithBuildImage()
prepareFetcherWithRunImages()
opts.BuilderName = "some/builder"
opts.Publish = false
opts.PullPolicy = config.PullAlways
opts.Config.Buildpacks = append(
opts.Config.Buildpacks,
pubbldr.BuildpackConfig{
ImageOrURI: dist.ImageOrURI{
ImageRef: dist.ImageRef{ImageName: packageImage.Name()},
},
},
)
shouldFetchPackageImageWith(true, config.PullAlways)
h.AssertNil(t, subject.CreateBuilder(context.TODO(), opts))
})
})
when("publish=true and pull-policy=always", func() {
it("should use remote package image", func() {
prepareFetcherWithBuildImage()
prepareFetcherWithRunImages()