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create_stack_test.go
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create_stack_test.go
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package integration_test
import (
"bytes"
"fmt"
"os"
"os/exec"
"path/filepath"
"testing"
"time"
v1 "github.com/google/go-containerregistry/pkg/v1"
"github.com/google/go-containerregistry/pkg/v1/layout"
"github.com/onsi/gomega/gexec"
"github.com/paketo-buildpacks/packit/v2/vacation"
"github.com/sclevine/spec"
. "github.com/onsi/gomega"
. "github.com/paketo-buildpacks/jam/v2/integration/matchers"
. "github.com/paketo-buildpacks/packit/v2/matchers"
)
func testCreateStack(t *testing.T, _ spec.G, it spec.S) {
var (
withT = NewWithT(t)
Expect = withT.Expect
Eventually = withT.Eventually
tmpDir string
)
it.Before(func() {
var err error
tmpDir, err = os.MkdirTemp("", "")
Expect(err).NotTo(HaveOccurred())
})
it.After(func() {
Expect(os.RemoveAll(tmpDir)).To(Succeed())
})
it("builds an example stack", func() {
buffer := bytes.NewBuffer(nil)
command := exec.Command(
path, "create-stack",
"--config", filepath.Join("testdata", "example-stack", "stack.toml"),
"--build-output", filepath.Join(tmpDir, "build.oci"),
"--run-output", filepath.Join(tmpDir, "run.oci"),
"--secret", "some-secret=my-secret-value",
"--label", "additional.label=label-value",
)
command.Env = append(os.Environ(), "EXPERIMENTAL_ATTACH_RUN_IMAGE_SBOM=true")
session, err := gexec.Start(command, buffer, buffer)
Expect(err).NotTo(HaveOccurred())
Eventually(session).Should(gexec.Exit(0), buffer.String)
var buildReleaseDate, runReleaseDate time.Time
by("confirming that the build image is correct", func() {
dir := filepath.Join(tmpDir, "build-index")
err := os.Mkdir(dir, os.ModePerm)
Expect(err).NotTo(HaveOccurred())
archive, err := os.Open(filepath.Join(tmpDir, "build.oci"))
Expect(err).NotTo(HaveOccurred())
defer archive.Close()
err = vacation.NewArchive(archive).Decompress(dir)
Expect(err).NotTo(HaveOccurred())
path, err := layout.FromPath(dir)
Expect(err).NotTo(HaveOccurred())
index, err := path.ImageIndex()
Expect(err).NotTo(HaveOccurred())
indexManifest, err := index.IndexManifest()
Expect(err).NotTo(HaveOccurred())
Expect(indexManifest.Manifests).To(HaveLen(2))
Expect(indexManifest.Manifests[0].Platform).To(Equal(&v1.Platform{
OS: "linux",
Architecture: "amd64",
}))
Expect(indexManifest.Manifests[1].Platform).To(Equal(&v1.Platform{
OS: "linux",
Architecture: "arm64",
}))
imageArm, err := index.Image(indexManifest.Manifests[1].Digest)
Expect(err).NotTo(HaveOccurred())
fileArm, err := imageArm.ConfigFile()
Expect(err).NotTo(HaveOccurred())
Expect(fileArm.Config.Labels).To(SatisfyAll(
// just check that the platform is different
HaveKeyWithValue("platform", "arm64"),
))
image, err := index.Image(indexManifest.Manifests[0].Digest)
Expect(err).NotTo(HaveOccurred())
file, err := image.ConfigFile()
Expect(err).NotTo(HaveOccurred())
Expect(file.Config.Labels).To(SatisfyAll(
HaveKeyWithValue("io.buildpacks.stack.id", "io.paketo.stacks.example"),
HaveKeyWithValue("io.buildpacks.stack.description", "this build stack is for example purposes only"),
HaveKeyWithValue("io.buildpacks.stack.distro.name", "alpine"),
HaveKeyWithValue("io.buildpacks.stack.distro.version", "3.15.4"),
HaveKeyWithValue("io.buildpacks.stack.homepage", "https://github.com/paketo-buildpacks/stacks"),
HaveKeyWithValue("io.buildpacks.stack.maintainer", "Paketo Buildpacks"),
HaveKeyWithValue("io.buildpacks.stack.metadata", MatchJSON("{}")),
HaveKeyWithValue("io.buildpacks.stack.mixins", ContainSubstring(`"openssl"`)),
HaveKeyWithValue("io.buildpacks.stack.mixins", ContainSubstring(`"build:git"`)),
HaveKeyWithValue("io.paketo.stack.packages", ContainSubstring(`"openssl"`)),
HaveKeyWithValue("platform", "amd64"),
HaveKeyWithValue("additional.label", "label-value"),
))
Expect(file.Config.Labels).NotTo(HaveKeyWithValue("io.buildpacks.stack.mixins", ContainSubstring("run:")))
buildReleaseDate, err = time.Parse(time.RFC3339, file.Config.Labels["io.buildpacks.stack.released"])
Expect(err).NotTo(HaveOccurred())
Expect(buildReleaseDate).To(BeTemporally("~", time.Now(), 10*time.Minute))
Expect(file.Config.User).To(Equal("1000:1000"))
Expect(file.Config.Env).To(ContainElements(
"CNB_USER_ID=1000",
"CNB_GROUP_ID=1000",
"CNB_STACK_ID=io.paketo.stacks.example",
))
Expect(image).To(SatisfyAll(
HaveFileWithContent("/etc/group", ContainSubstring("cnb:x:1000:")),
HaveFileWithContent("/etc/passwd", ContainSubstring("cnb:x:1000:1000::/home/cnb:/bin/bash")),
HaveDirectory("/home/cnb"),
))
Expect(image).To(HaveFileWithContent("/my-secret", "my-secret-value"))
})
by("confirming that the run image is correct", func() {
dir := filepath.Join(tmpDir, "run-index")
err := os.Mkdir(dir, os.ModePerm)
Expect(err).NotTo(HaveOccurred())
archive, err := os.Open(filepath.Join(tmpDir, "run.oci"))
Expect(err).NotTo(HaveOccurred())
defer archive.Close()
err = vacation.NewArchive(archive).Decompress(dir)
Expect(err).NotTo(HaveOccurred())
path, err := layout.FromPath(dir)
Expect(err).NotTo(HaveOccurred())
index, err := path.ImageIndex()
Expect(err).NotTo(HaveOccurred())
indexManifest, err := index.IndexManifest()
Expect(err).NotTo(HaveOccurred())
Expect(indexManifest.Manifests).To(HaveLen(2))
Expect(indexManifest.Manifests[0].Platform).To(Equal(&v1.Platform{
OS: "linux",
Architecture: "amd64",
}))
Expect(indexManifest.Manifests[1].Platform).To(Equal(&v1.Platform{
OS: "linux",
Architecture: "arm64",
}))
image, err := index.Image(indexManifest.Manifests[0].Digest)
Expect(err).NotTo(HaveOccurred())
file, err := image.ConfigFile()
Expect(err).NotTo(HaveOccurred())
Expect(file.Config.Labels).To(SatisfyAll(
HaveKeyWithValue("io.buildpacks.stack.id", "io.paketo.stacks.example"),
HaveKeyWithValue("io.buildpacks.stack.description", "this run stack is for example purposes only"),
HaveKeyWithValue("io.buildpacks.stack.distro.name", "alpine"),
HaveKeyWithValue("io.buildpacks.stack.distro.version", "3.15.4"),
HaveKeyWithValue("io.buildpacks.stack.homepage", "https://github.com/paketo-buildpacks/stacks"),
HaveKeyWithValue("io.buildpacks.stack.maintainer", "Paketo Buildpacks"),
HaveKeyWithValue("io.buildpacks.stack.metadata", MatchJSON("{}")),
HaveKeyWithValue("io.buildpacks.stack.mixins", ContainSubstring(`"openssl"`)),
HaveKeyWithValue("io.paketo.stack.packages", ContainSubstring(`"openssl"`)),
HaveKeyWithValue("io.buildpacks.base.sbom", file.RootFS.DiffIDs[len(file.RootFS.DiffIDs)-1].String()),
HaveKeyWithValue("additional.label", "label-value"),
))
Expect(file.Config.Labels).NotTo(HaveKeyWithValue("io.buildpacks.stack.mixins", ContainSubstring("build:")))
runReleaseDate, err = time.Parse(time.RFC3339, file.Config.Labels["io.buildpacks.stack.released"])
Expect(err).NotTo(HaveOccurred())
Expect(runReleaseDate).To(BeTemporally("~", time.Now(), 10*time.Minute))
Expect(file.Config.User).To(Equal("1001:1000"))
Expect(file.Config.Env).NotTo(ContainElements(
"CNB_USER_ID=1001",
"CNB_GROUP_ID=1000",
"CNB_STACK_ID=io.buildpacks.stacks.bionic",
))
Expect(image).To(SatisfyAll(
HaveFileWithContent("/etc/group", ContainSubstring("cnb:x:1000:")),
HaveFileWithContent("/etc/passwd", ContainSubstring("cnb:x:1001:1000::/home/cnb:/bin/bash")),
HaveFileWithContent("/etc/os-release", ContainSubstring(`PRETTY_NAME="Example Stack"`)),
HaveFileWithContent("/etc/os-release", ContainSubstring(`HOME_URL="https://github.com/paketo-buildpacks/stacks"`)),
HaveFileWithContent("/etc/os-release", ContainSubstring(`SUPPORT_URL="https://github.com/paketo-buildpacks/stacks/blob/main/README.md"`)),
HaveFileWithContent("/etc/os-release", ContainSubstring(`BUG_REPORT_URL="https://github.com/paketo-buildpacks/stacks/issues/new"`)),
HaveDirectory("/home/cnb"),
))
diffID, err := v1.NewHash(file.Config.Labels["io.buildpacks.base.sbom"])
Expect(err).NotTo(HaveOccurred())
layer, err := image.LayerByDiffID(diffID)
Expect(err).NotTo(HaveOccurred())
Expect(layer).To(SatisfyAll(
HaveFileWithContent(`/cnb/sbom/([a-f0-9]{8}).syft.json`, ContainSubstring("https://raw.githubusercontent.com/anchore/syft/main/schema/json/schema-2.0.2.json")),
HaveFileWithContent(`/cnb/sbom/([a-f0-9]{8}).cdx.json`, ContainSubstring(`"bomFormat": "CycloneDX"`)),
HaveFileWithContent(`/cnb/sbom/([a-f0-9]{8}).cdx.json`, ContainSubstring(`"specVersion": "1.3"`)),
))
})
Expect(buildReleaseDate).To(Equal(runReleaseDate))
by("confirming that the logging output is correct", func() {
Expect(buffer.String()).To(ContainLines(
"Building io.paketo.stacks.example",
" Building on linux/amd64",
" Building base images",
" Build complete for base images",
" build: Decorating base image",
" Adding CNB_* environment variables",
" Adding io.buildpacks.stack.* labels",
" Adding io.buildpacks.stack.mixins label",
" Adding io.paketo.stack.packages label",
" Adding additional.label label",
" Creating cnb user",
" run: Decorating base image",
" Adding io.buildpacks.stack.* labels",
" Adding io.buildpacks.stack.mixins label",
" Adding io.paketo.stack.packages label",
" Adding additional.label label",
" Creating cnb user",
" Updating /etc/os-release",
" Attaching experimental SBOM",
" build: Updating image",
" run: Updating image",
"",
" Building on linux/arm64",
" Building base images",
" Build complete for base images",
" build: Decorating base image",
" Adding CNB_* environment variables",
" Adding io.buildpacks.stack.* labels",
" Adding io.buildpacks.stack.mixins label",
" Adding io.paketo.stack.packages label",
" Adding additional.label label",
" Creating cnb user",
" run: Decorating base image",
" Adding io.buildpacks.stack.* labels",
" Adding io.buildpacks.stack.mixins label",
" Adding io.paketo.stack.packages label",
" Adding additional.label label",
" Creating cnb user",
" Updating /etc/os-release",
" Attaching experimental SBOM",
" build: Updating image",
" run: Updating image",
"",
fmt.Sprintf(" Exporting build image to %s", filepath.Join(tmpDir, "build.oci")),
fmt.Sprintf(" Exporting run image to %s", filepath.Join(tmpDir, "run.oci")),
))
})
})
}