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dockerfile_test.go
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dockerfile_test.go
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package dockerfile
import (
"archive/tar"
"bytes"
"compress/gzip"
"context"
"encoding/json"
"fmt"
"io"
"math"
"net/http"
"net/http/httptest"
"os"
"os/exec"
"path"
"path/filepath"
"regexp"
"runtime"
"sort"
"strings"
"testing"
"time"
v1 "github.com/moby/buildkit/cache/remotecache/v1"
"github.com/tonistiigi/fsutil"
"golang.org/x/sync/errgroup"
"google.golang.org/grpc/status"
"google.golang.org/protobuf/proto"
"google.golang.org/protobuf/types/known/anypb"
"github.com/containerd/containerd"
"github.com/containerd/containerd/content"
"github.com/containerd/containerd/content/local"
"github.com/containerd/containerd/content/proxy"
"github.com/containerd/containerd/namespaces"
"github.com/containerd/containerd/snapshots"
"github.com/containerd/continuity/fs/fstest"
"github.com/containerd/platforms"
intoto "github.com/in-toto/in-toto-golang/in_toto"
controlapi "github.com/moby/buildkit/api/services/control"
"github.com/moby/buildkit/client"
"github.com/moby/buildkit/client/llb"
"github.com/moby/buildkit/frontend/dockerfile/builder"
"github.com/moby/buildkit/frontend/dockerui"
gateway "github.com/moby/buildkit/frontend/gateway/client"
"github.com/moby/buildkit/frontend/subrequests"
"github.com/moby/buildkit/identity"
"github.com/moby/buildkit/session"
"github.com/moby/buildkit/session/filesync"
"github.com/moby/buildkit/session/upload/uploadprovider"
"github.com/moby/buildkit/solver/errdefs"
"github.com/moby/buildkit/solver/pb"
spb "github.com/moby/buildkit/sourcepolicy/pb"
"github.com/moby/buildkit/util/contentutil"
"github.com/moby/buildkit/util/grpcerrors"
"github.com/moby/buildkit/util/stack"
"github.com/moby/buildkit/util/testutil"
"github.com/moby/buildkit/util/testutil/httpserver"
"github.com/moby/buildkit/util/testutil/integration"
"github.com/moby/buildkit/util/testutil/workers"
digest "github.com/opencontainers/go-digest"
ocispecs "github.com/opencontainers/image-spec/specs-go/v1"
"github.com/pkg/errors"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
statuspb "google.golang.org/genproto/googleapis/rpc/status"
)
func init() {
if workers.IsTestDockerd() {
workers.InitDockerdWorker()
} else {
workers.InitOCIWorker()
workers.InitContainerdWorker()
}
}
var allTests = integration.TestFuncs(
testCmdShell,
testGlobalArg,
testDockerfileDirs,
testDockerfileInvalidCommand,
testDockerfileADDFromURL,
testDockerfileAddArchive,
testDockerfileScratchConfig,
testExportedHistory,
testExportedHistoryFlattenArgs,
testExposeExpansion,
testUser,
testUserAdditionalGids,
testCacheReleased,
testDockerignore,
testDockerignoreInvalid,
testDockerfileFromGit,
testMultiStageImplicitFrom,
testMultiStageCaseInsensitive,
testLabels,
testCacheImportExport,
testImageManifestCacheImportExport,
testReproducibleIDs,
testImportExportReproducibleIDs,
testNoCache,
testCacheMountModeNoCache,
testDockerfileFromHTTP,
testBuiltinArgs,
testPullScratch,
testSymlinkDestination,
testHTTPDockerfile,
testPlatformArgsImplicit,
testPlatformArgsExplicit,
testExportMultiPlatform,
testQuotedMetaArgs,
testGlobalArgErrors,
testArgDefaultExpansion,
testIgnoreEntrypoint,
testSymlinkedDockerfile,
testEmptyWildcard,
testWorkdirCreatesDir,
testDockerfileAddArchiveWildcard,
testCopyChownExistingDir,
testCopyWildcardCache,
testDockerignoreOverride,
testTarExporterMulti,
testTarExporterBasic,
testDefaultEnvWithArgs,
testEnvEmptyFormatting,
testCacheMultiPlatformImportExport,
testOnBuildCleared,
testOnBuildWithChildStage,
testOnBuildInheritedStageRun,
testOnBuildInheritedStageWithFrom,
testOnBuildNewDeps,
testOnBuildNamedContext,
testOnBuildWithCacheMount,
testFrontendUseForwardedSolveResults,
testFrontendEvaluate,
testFrontendInputs,
testErrorsSourceMap,
testMultiArgs,
testFrontendSubrequests,
testDockerfileCheckHostname,
testDefaultShellAndPath,
testDockerfileLowercase,
testExportCacheLoop,
testWildcardRenameCache,
testDockerfileInvalidInstruction,
testShmSize,
testUlimit,
testCgroupParent,
testNamedImageContext,
testNamedImageContextPlatform,
testNamedImageContextTimestamps,
testNamedImageContextScratch,
testNamedLocalContext,
testNamedOCILayoutContext,
testNamedOCILayoutContextExport,
testNamedInputContext,
testNamedMultiplatformInputContext,
testNamedFilteredContext,
testEmptyDestDir,
testCopyLinkDotDestDir,
testCopyLinkEmptyDestDir,
testCopyChownCreateDest,
testCopyThroughSymlinkContext,
testCopyThroughSymlinkMultiStage,
testCopySocket,
testContextChangeDirToFile,
testNoSnapshotLeak,
testCopySymlinks,
testCopyChown,
testCopyChmod,
testCopyInvalidChmod,
testCopyOverrideFiles,
testCopyVarSubstitution,
testCopyWildcards,
testCopyRelative,
testAddURLChmod,
testAddInvalidChmod,
testTarContext,
testTarContextExternalDockerfile,
testWorkdirUser,
testWorkdirExists,
testWorkdirCopyIgnoreRelative,
testOutOfOrderStage,
testCopyFollowAllSymlinks,
testDockerfileAddChownExpand,
testSourceDateEpochWithoutExporter,
testSBOMScannerImage,
testProvenanceAttestation,
testGitProvenanceAttestation,
testMultiPlatformProvenance,
testClientFrontendProvenance,
testClientLLBProvenance,
testSecretSSHProvenance,
testOCILayoutProvenance,
testNilProvenance,
testDuplicatePlatformProvenance,
testDockerIgnoreMissingProvenance,
testCommandSourceMapping,
testSBOMScannerArgs,
testNilContextInSolveGateway,
testMultiNilRefsInSolveGateway,
testCopyUnicodePath,
testFrontendDeduplicateSources,
testDuplicateLayersProvenance,
testSourcePolicyWithNamedContext,
testEmptyStringArgInEnv,
testInvalidJSONCommands,
testHistoryError,
testHistoryFinalizeTrace,
testEmptyStages,
testLocalCustomSessionID,
testTargetStageNameArg,
testStepNames,
testPowershellInDefaultPathOnWindows,
)
// Tests that depend on the `security.*` entitlements
var securityTests = []integration.Test{}
// Tests that depend on the `network.*` entitlements
var networkTests = []integration.Test{}
// Tests that depend on heredoc support
var heredocTests = []integration.Test{}
// Tests that depend on reproducible env
var reproTests = integration.TestFuncs(
testReproSourceDateEpoch,
)
var (
opts []integration.TestOpt
securityOpts []integration.TestOpt
)
type frontend interface {
Solve(context.Context, *client.Client, client.SolveOpt, chan *client.SolveStatus) (*client.SolveResponse, error)
SolveGateway(context.Context, gateway.Client, gateway.SolveRequest) (*gateway.Result, error)
DFCmdArgs(string, string) (string, string)
RequiresBuildctl(t *testing.T)
}
func init() {
frontends := map[string]interface{}{}
images := integration.UnixOrWindows(
[]string{"busybox:latest", "alpine:latest"},
[]string{"nanoserver:latest", "nanoserver:plus", "nanoserver:plus-busybox"})
opts = []integration.TestOpt{
integration.WithMirroredImages(integration.OfficialImages(images...)),
integration.WithMatrix("frontend", frontends),
}
if os.Getenv("FRONTEND_BUILTIN_ONLY") == "1" {
frontends["builtin"] = &builtinFrontend{}
} else if os.Getenv("FRONTEND_CLIENT_ONLY") == "1" {
frontends["client"] = &clientFrontend{}
} else if gw := os.Getenv("FRONTEND_GATEWAY_ONLY"); gw != "" {
name := "buildkit_test/" + identity.NewID() + ":latest"
opts = append(opts, integration.WithMirroredImages(map[string]string{
name: gw,
}))
frontends["gateway"] = &gatewayFrontend{gw: name}
} else {
frontends["builtin"] = &builtinFrontend{}
frontends["client"] = &clientFrontend{}
}
}
func TestIntegration(t *testing.T) {
integration.Run(t, allTests, opts...)
integration.Run(t, lintTests, opts...)
integration.Run(t, heredocTests, opts...)
integration.Run(t, outlineTests, opts...)
integration.Run(t, targetsTests, opts...)
// the rest of the tests are meant for non-Windows, skipping on Windows.
integration.SkipOnPlatform(t, "windows")
integration.Run(t, reproTests, append(opts,
// Only use the amd64 digest, regardless to the host platform
integration.WithMirroredImages(map[string]string{
"amd64/bullseye-20230109-slim:latest": "docker.io/amd64/debian:bullseye-20230109-slim@sha256:1acb06a0c31fb467eb8327ad361f1091ab265e0bf26d452dea45dcb0c0ea5e75",
}),
)...)
integration.Run(t, securityTests, append(append(opts, securityOpts...),
integration.WithMatrix("security.insecure", map[string]interface{}{
"granted": securityInsecureGranted,
"denied": securityInsecureDenied,
}))...)
integration.Run(t, networkTests, append(opts,
integration.WithMatrix("network.host", map[string]interface{}{
"granted": networkHostGranted,
"denied": networkHostDenied,
}))...)
}
func testEmptyStringArgInEnv(t *testing.T, sb integration.Sandbox) {
integration.SkipOnPlatform(t, "windows")
f := getFrontend(t, sb)
dockerfile := []byte(`
FROM busybox AS build
ARG FOO
ARG BAR=
RUN env > env.txt
FROM scratch
COPY --from=build env.txt .
`)
dir := integration.Tmpdir(
t,
fstest.CreateFile("Dockerfile", dockerfile, 0600),
)
c, err := client.New(sb.Context(), sb.Address())
require.NoError(t, err)
defer c.Close()
destDir := t.TempDir()
_, err = f.Solve(sb.Context(), c, client.SolveOpt{
Exports: []client.ExportEntry{
{
Type: client.ExporterLocal,
OutputDir: destDir,
},
},
LocalMounts: map[string]fsutil.FS{
dockerui.DefaultLocalNameDockerfile: dir,
dockerui.DefaultLocalNameContext: dir,
},
}, nil)
require.NoError(t, err)
dt, err := os.ReadFile(filepath.Join(destDir, "env.txt"))
require.NoError(t, err)
envStr := string(dt)
require.Contains(t, envStr, "BAR=")
require.NotContains(t, envStr, "FOO=")
}
func testDefaultEnvWithArgs(t *testing.T, sb integration.Sandbox) {
integration.SkipOnPlatform(t, "windows")
f := getFrontend(t, sb)
dockerfile := []byte(`
ARG image=idlebox
FROM busy${image#idle} AS build
ARG my_arg
ENV my_arg "my_arg=${my_arg:-def_val}"
ENV my_trimmed_arg "${my_arg%%e*}"
COPY myscript.sh myscript.sh
RUN ./myscript.sh $my_arg $my_trimmed_arg
FROM scratch
COPY --from=build /out /out
`)
script := []byte(`
#!/usr/bin/env sh
echo -n $my_arg $* > /out
`)
dir := integration.Tmpdir(
t,
fstest.CreateFile("Dockerfile", dockerfile, 0600),
fstest.CreateFile("myscript.sh", script, 0700),
)
c, err := client.New(sb.Context(), sb.Address())
require.NoError(t, err)
defer c.Close()
destDir := t.TempDir()
for _, x := range []struct {
name string
frontendAttrs map[string]string
expected string
}{
{"nil", nil, "my_arg=def_val my_arg=def_val my_arg=d"},
{"empty", map[string]string{"build-arg:my_arg": ""}, "my_arg=def_val my_arg=def_val my_arg=d"},
{"override", map[string]string{"build-arg:my_arg": "override"}, "my_arg=override my_arg=override my_arg=ov"},
} {
t.Run(x.name, func(t *testing.T) {
_, err = f.Solve(sb.Context(), c, client.SolveOpt{
FrontendAttrs: x.frontendAttrs,
Exports: []client.ExportEntry{
{
Type: client.ExporterLocal,
OutputDir: destDir,
},
},
LocalMounts: map[string]fsutil.FS{
dockerui.DefaultLocalNameDockerfile: dir,
dockerui.DefaultLocalNameContext: dir,
},
}, nil)
require.NoError(t, err)
dt, err := os.ReadFile(filepath.Join(destDir, "out"))
require.NoError(t, err)
require.Equal(t, x.expected, string(dt))
})
}
}
func testEnvEmptyFormatting(t *testing.T, sb integration.Sandbox) {
f := getFrontend(t, sb)
dockerfile := []byte(integration.UnixOrWindows(
`
FROM busybox AS build
ENV myenv foo%sbar
RUN [ "$myenv" = 'foo%sbar' ]
`,
`
FROM nanoserver AS build
ENV myenv foo%sbar
RUN if %myenv% NEQ foo%sbar (exit 1)
`,
))
dir := integration.Tmpdir(
t,
fstest.CreateFile("Dockerfile", dockerfile, 0600),
)
c, err := client.New(sb.Context(), sb.Address())
require.NoError(t, err)
defer c.Close()
destDir := t.TempDir()
_, err = f.Solve(sb.Context(), c, client.SolveOpt{
Exports: []client.ExportEntry{
{
Type: client.ExporterLocal,
OutputDir: destDir,
},
},
LocalMounts: map[string]fsutil.FS{
dockerui.DefaultLocalNameDockerfile: dir,
dockerui.DefaultLocalNameContext: dir,
},
}, nil)
require.NoError(t, err)
}
func testDockerignoreOverride(t *testing.T, sb integration.Sandbox) {
f := getFrontend(t, sb)
dockerfile := []byte(integration.UnixOrWindows(
`
FROM busybox
COPY . .
RUN [ -f foo ] && [ ! -f bar ]
`,
`
FROM nanoserver
COPY . .
RUN if exist foo (if not exist bar (exit 0) else (exit 1))
`,
))
ignore := []byte(`
bar
`)
dockerfile2 := []byte(integration.UnixOrWindows(
`
FROM busybox
COPY . .
RUN [ ! -f foo ] && [ -f bar ]
`,
`
FROM nanoserver
COPY . .
RUN if not exist foo (if exist bar (exit 0) else (exit 1))
`,
))
ignore2 := []byte(`
foo
`)
dir := integration.Tmpdir(
t,
fstest.CreateFile("Dockerfile", dockerfile, 0600),
fstest.CreateFile("Dockerfile.dockerignore", ignore, 0600),
fstest.CreateFile("Dockerfile2", dockerfile2, 0600),
fstest.CreateFile("Dockerfile2.dockerignore", ignore2, 0600),
fstest.CreateFile("foo", []byte("contents0"), 0600),
fstest.CreateFile("bar", []byte("contents0"), 0600),
)
c, err := client.New(sb.Context(), sb.Address())
require.NoError(t, err)
defer c.Close()
_, err = f.Solve(sb.Context(), c, client.SolveOpt{
LocalMounts: map[string]fsutil.FS{
dockerui.DefaultLocalNameDockerfile: dir,
dockerui.DefaultLocalNameContext: dir,
},
}, nil)
require.NoError(t, err)
_, err = f.Solve(sb.Context(), c, client.SolveOpt{
FrontendAttrs: map[string]string{
"filename": "Dockerfile2",
},
LocalMounts: map[string]fsutil.FS{
dockerui.DefaultLocalNameDockerfile: dir,
dockerui.DefaultLocalNameContext: dir,
},
}, nil)
require.NoError(t, err)
}
func testEmptyDestDir(t *testing.T, sb integration.Sandbox) {
f := getFrontend(t, sb)
dockerfile := []byte(integration.UnixOrWindows(
`
FROM busybox
ENV empty=""
COPY testfile $empty
RUN [ "$(cat testfile)" == "contents0" ]
`,
`
FROM nanoserver
COPY testfile ''
RUN cmd /V:on /C "set /p tfcontent=<testfile \
& if !tfcontent! NEQ contents0 (exit 1)"
`,
))
dir := integration.Tmpdir(
t,
fstest.CreateFile("Dockerfile", dockerfile, 0600),
fstest.CreateFile("testfile", []byte("contents0"), 0600),
)
c, err := client.New(sb.Context(), sb.Address())
require.NoError(t, err)
defer c.Close()
_, err = f.Solve(sb.Context(), c, client.SolveOpt{
LocalMounts: map[string]fsutil.FS{
dockerui.DefaultLocalNameDockerfile: dir,
dockerui.DefaultLocalNameContext: dir,
},
}, nil)
require.NoError(t, err)
}
func testCopyLinkDotDestDir(t *testing.T, sb integration.Sandbox) {
integration.SkipOnPlatform(t, "windows")
f := getFrontend(t, sb)
dockerfile := []byte(`
FROM busybox
WORKDIR /var/www
COPY --link testfile .
RUN [ "$(cat testfile)" == "contents0" ]
`)
dir := integration.Tmpdir(
t,
fstest.CreateFile("Dockerfile", dockerfile, 0600),
fstest.CreateFile("testfile", []byte("contents0"), 0600),
)
c, err := client.New(sb.Context(), sb.Address())
require.NoError(t, err)
defer c.Close()
_, err = f.Solve(sb.Context(), c, client.SolveOpt{
LocalMounts: map[string]fsutil.FS{
dockerui.DefaultLocalNameDockerfile: dir,
dockerui.DefaultLocalNameContext: dir,
},
}, nil)
require.NoError(t, err)
}
func testCopyLinkEmptyDestDir(t *testing.T, sb integration.Sandbox) {
integration.SkipOnPlatform(t, "windows")
f := getFrontend(t, sb)
dockerfile := []byte(`
FROM busybox
WORKDIR /var/www
ENV empty=""
COPY --link testfile $empty
RUN [ "$(cat testfile)" == "contents0" ]
`)
dir := integration.Tmpdir(
t,
fstest.CreateFile("Dockerfile", dockerfile, 0600),
fstest.CreateFile("testfile", []byte("contents0"), 0600),
)
c, err := client.New(sb.Context(), sb.Address())
require.NoError(t, err)
defer c.Close()
_, err = f.Solve(sb.Context(), c, client.SolveOpt{
LocalMounts: map[string]fsutil.FS{
dockerui.DefaultLocalNameDockerfile: dir,
dockerui.DefaultLocalNameContext: dir,
},
}, nil)
require.NoError(t, err)
}
func testExportCacheLoop(t *testing.T, sb integration.Sandbox) {
integration.SkipOnPlatform(t, "windows")
workers.CheckFeatureCompat(t, sb, workers.FeatureCacheExport, workers.FeatureCacheImport, workers.FeatureCacheBackendLocal)
f := getFrontend(t, sb)
dockerfile := []byte(`
FROM alpine as base
RUN echo aa > /foo
WORKDIR /bar
FROM base as base1
COPY hello.txt .
FROM base as base2
COPY --from=base1 /bar/hello.txt .
RUN true
FROM scratch
COPY --from=base2 /foo /f
`)
dir := integration.Tmpdir(
t,
fstest.CreateFile("Dockerfile", dockerfile, 0600),
fstest.CreateFile("hello.txt", []byte("hello"), 0600),
)
cacheDir := t.TempDir()
c, err := client.New(sb.Context(), sb.Address())
require.NoError(t, err)
defer c.Close()
_, err = f.Solve(sb.Context(), c, client.SolveOpt{
LocalMounts: map[string]fsutil.FS{
dockerui.DefaultLocalNameDockerfile: dir,
dockerui.DefaultLocalNameContext: dir,
},
CacheExports: []client.CacheOptionsEntry{
{
Type: "local",
Attrs: map[string]string{
"dest": filepath.Join(cacheDir, "cache"),
},
},
},
}, nil)
require.NoError(t, err)
err = c.Prune(sb.Context(), nil)
require.NoError(t, err)
_, err = f.Solve(sb.Context(), c, client.SolveOpt{
LocalMounts: map[string]fsutil.FS{
dockerui.DefaultLocalNameDockerfile: dir,
dockerui.DefaultLocalNameContext: dir,
},
CacheExports: []client.CacheOptionsEntry{
{
Type: "local",
Attrs: map[string]string{
"dest": filepath.Join(cacheDir, "cache"),
},
},
},
CacheImports: []client.CacheOptionsEntry{
{
Type: "local",
Attrs: map[string]string{
"src": filepath.Join(cacheDir, "cache"),
},
},
},
FrontendAttrs: map[string]string{},
}, nil)
require.NoError(t, err)
}
func testTarExporterBasic(t *testing.T, sb integration.Sandbox) {
f := getFrontend(t, sb)
dockerfile := []byte(integration.UnixOrWindows(
`
FROM scratch
COPY foo foo
`,
`
FROM nanoserver
COPY foo foo
`,
))
dir := integration.Tmpdir(
t,
fstest.CreateFile("Dockerfile", dockerfile, 0600),
fstest.CreateFile("foo", []byte("data"), 0600),
)
c, err := client.New(sb.Context(), sb.Address())
require.NoError(t, err)
defer c.Close()
buf := &bytes.Buffer{}
_, err = f.Solve(sb.Context(), c, client.SolveOpt{
Exports: []client.ExportEntry{
{
Type: client.ExporterTar,
Output: fixedWriteCloser(&nopWriteCloser{buf}),
},
},
LocalMounts: map[string]fsutil.FS{
dockerui.DefaultLocalNameDockerfile: dir,
dockerui.DefaultLocalNameContext: dir,
},
}, nil)
require.NoError(t, err)
m, err := testutil.ReadTarToMap(buf.Bytes(), false)
require.NoError(t, err)
mi, ok := m["foo"]
require.Equal(t, true, ok)
require.Equal(t, "data", string(mi.Data))
}
func testTarExporterMulti(t *testing.T, sb integration.Sandbox) {
integration.SkipOnPlatform(t, "windows")
f := getFrontend(t, sb)
dockerfile := []byte(`
FROM scratch AS stage-linux
COPY foo forlinux
FROM scratch AS stage-darwin
COPY bar fordarwin
FROM stage-$TARGETOS
`)
dir := integration.Tmpdir(
t,
fstest.CreateFile("Dockerfile", dockerfile, 0600),
fstest.CreateFile("foo", []byte("data"), 0600),
fstest.CreateFile("bar", []byte("data2"), 0600),
)
c, err := client.New(sb.Context(), sb.Address())
require.NoError(t, err)
defer c.Close()
buf := &bytes.Buffer{}
_, err = f.Solve(sb.Context(), c, client.SolveOpt{
Exports: []client.ExportEntry{
{
Type: client.ExporterTar,
Output: fixedWriteCloser(&nopWriteCloser{buf}),
},
},
LocalMounts: map[string]fsutil.FS{
dockerui.DefaultLocalNameDockerfile: dir,
dockerui.DefaultLocalNameContext: dir,
},
}, nil)
require.NoError(t, err)
m, err := testutil.ReadTarToMap(buf.Bytes(), false)
require.NoError(t, err)
mi, ok := m["forlinux"]
require.Equal(t, true, ok)
require.Equal(t, "data", string(mi.Data))
// repeat multi-platform
buf = &bytes.Buffer{}
_, err = f.Solve(sb.Context(), c, client.SolveOpt{
Exports: []client.ExportEntry{
{
Type: client.ExporterTar,
Output: fixedWriteCloser(&nopWriteCloser{buf}),
},
},
FrontendAttrs: map[string]string{
"platform": "linux/amd64,darwin/amd64",
},
LocalMounts: map[string]fsutil.FS{
dockerui.DefaultLocalNameDockerfile: dir,
dockerui.DefaultLocalNameContext: dir,
},
}, nil)
require.NoError(t, err)
m, err = testutil.ReadTarToMap(buf.Bytes(), false)
require.NoError(t, err)
mi, ok = m["linux_amd64/forlinux"]
require.Equal(t, true, ok)
require.Equal(t, "data", string(mi.Data))
mi, ok = m["darwin_amd64/fordarwin"]
require.Equal(t, true, ok)
require.Equal(t, "data2", string(mi.Data))
}
func testWorkdirCreatesDir(t *testing.T, sb integration.Sandbox) {
f := getFrontend(t, sb)
dockerfile := []byte(integration.UnixOrWindows(
`
FROM scratch
WORKDIR /foo
WORKDIR /
`,
`
FROM nanoserver
WORKDIR /foo
WORKDIR /
`,
))
dir := integration.Tmpdir(
t,
fstest.CreateFile("Dockerfile", dockerfile, 0600),
)
c, err := client.New(sb.Context(), sb.Address())
require.NoError(t, err)
defer c.Close()
destDir := t.TempDir()
_, err = f.Solve(sb.Context(), c, client.SolveOpt{
Exports: []client.ExportEntry{
{
Type: client.ExporterLocal,
OutputDir: destDir,
},
},
LocalMounts: map[string]fsutil.FS{
dockerui.DefaultLocalNameDockerfile: dir,
dockerui.DefaultLocalNameContext: dir,
},
}, nil)
require.NoError(t, err)
fi, err := os.Lstat(filepath.Join(destDir, "foo"))
require.NoError(t, err)
require.Equal(t, true, fi.IsDir())
}
func testCacheReleased(t *testing.T, sb integration.Sandbox) {
f := getFrontend(t, sb)
dockerfile := []byte(integration.UnixOrWindows(
`
FROM busybox
`,
`
FROM nanoserver
`,
))
dir := integration.Tmpdir(
t,
fstest.CreateFile("Dockerfile", dockerfile, 0600),
)
c, err := client.New(sb.Context(), sb.Address())
require.NoError(t, err)
defer c.Close()
_, err = f.Solve(sb.Context(), c, client.SolveOpt{
LocalMounts: map[string]fsutil.FS{
dockerui.DefaultLocalNameDockerfile: dir,
dockerui.DefaultLocalNameContext: dir,
},
}, nil)
require.NoError(t, err)
_, err = f.Solve(sb.Context(), c, client.SolveOpt{
LocalMounts: map[string]fsutil.FS{
dockerui.DefaultLocalNameDockerfile: dir,
dockerui.DefaultLocalNameContext: dir,
},
}, nil)
require.NoError(t, err)
checkAllReleasable(t, c, sb, true)
}
func testSymlinkedDockerfile(t *testing.T, sb integration.Sandbox) {
f := getFrontend(t, sb)
dockerfile := []byte(integration.UnixOrWindows(
`
FROM scratch
ENV foo bar
`,
`
FROM nanoserver
ENV foo bar
`,
))
dir := integration.Tmpdir(
t,
fstest.CreateFile("Dockerfile.web", dockerfile, 0600),
fstest.Symlink("Dockerfile.web", "Dockerfile"),
)
c, err := client.New(sb.Context(), sb.Address())
require.NoError(t, err)
defer c.Close()
_, err = f.Solve(sb.Context(), c, client.SolveOpt{
LocalMounts: map[string]fsutil.FS{
dockerui.DefaultLocalNameDockerfile: dir,
dockerui.DefaultLocalNameContext: dir,
},
}, nil)
require.NoError(t, err)
}
func testCopyChownExistingDir(t *testing.T, sb integration.Sandbox) {
integration.SkipOnPlatform(t, "windows")
f := getFrontend(t, sb)
dockerfile := []byte(`
# Set up files and directories with known ownership
FROM busybox AS source
RUN touch /file && chown 100:200 /file \
&& mkdir -p /dir/subdir \
&& touch /dir/subdir/nestedfile \
&& chown 100:200 /dir \
&& chown 101:201 /dir/subdir \
&& chown 102:202 /dir/subdir/nestedfile
FROM busybox AS test_base
RUN mkdir -p /existingdir/existingsubdir \
&& touch /existingdir/existingfile \
&& chown 500:600 /existingdir \
&& chown 501:601 /existingdir/existingsubdir \
&& chown 501:601 /existingdir/existingfile
# Copy files from the source stage
FROM test_base AS copy_from
COPY --from=source /file .
# Copy to a non-existing target directory creates the target directory (as root), then copies the _contents_ of the source directory into it
COPY --from=source /dir /dir
# Copying to an existing target directory will copy the _contents_ of the source directory into it
COPY --from=source /dir/. /existingdir
RUN e="100:200"; p="/file" ; a=` + "`" + `stat -c "%u:%g" "$p"` + "`" + `; if [ "$a" != "$e" ]; then echo "incorrect ownership on $p. expected $e, got $a"; exit 1; fi \
&& e="0:0"; p="/dir" ; a=` + "`" + `stat -c "%u:%g" "$p"` + "`" + `; if [ "$a" != "$e" ]; then echo "incorrect ownership on $p. expected $e, got $a"; exit 1; fi \
&& e="101:201"; p="/dir/subdir" ; a=` + "`" + `stat -c "%u:%g" "$p"` + "`" + `; if [ "$a" != "$e" ]; then echo "incorrect ownership on $p. expected $e, got $a"; exit 1; fi \
&& e="102:202"; p="/dir/subdir/nestedfile" ; a=` + "`" + `stat -c "%u:%g" "$p"` + "`" + `; if [ "$a" != "$e" ]; then echo "incorrect ownership on $p. expected $e, got $a"; exit 1; fi \
# Existing files and directories ownership should not be modified
&& e="500:600"; p="/existingdir" ; a=` + "`" + `stat -c "%u:%g" "$p"` + "`" + `; if [ "$a" != "$e" ]; then echo "incorrect ownership on $p. expected $e, got $a"; exit 1; fi \
&& e="501:601"; p="/existingdir/existingsubdir" ; a=` + "`" + `stat -c "%u:%g" "$p"` + "`" + `; if [ "$a" != "$e" ]; then echo "incorrect ownership on $p. expected $e, got $a"; exit 1; fi \
&& e="501:601"; p="/existingdir/existingfile" ; a=` + "`" + `stat -c "%u:%g" "$p"` + "`" + `; if [ "$a" != "$e" ]; then echo "incorrect ownership on $p. expected $e, got $a"; exit 1; fi \
# But new files and directories should maintain their ownership
&& e="101:201"; p="/existingdir/subdir" ; a=` + "`" + `stat -c "%u:%g" "$p"` + "`" + `; if [ "$a" != "$e" ]; then echo "incorrect ownership on $p. expected $e, got $a"; exit 1; fi \
&& e="102:202"; p="/existingdir/subdir/nestedfile"; a=` + "`" + `stat -c "%u:%g" "$p"` + "`" + `; if [ "$a" != "$e" ]; then echo "incorrect ownership on $p. expected $e, got $a"; exit 1; fi
# Copy files from the source stage and chown them.
FROM test_base AS copy_from_chowned
COPY --from=source --chown=300:400 /file .
# Copy to a non-existing target directory creates the target directory (as root), then copies the _contents_ of the source directory into it
COPY --from=source --chown=300:400 /dir /dir
# Copying to an existing target directory copies the _contents_ of the source directory into it
COPY --from=source --chown=300:400 /dir/. /existingdir
RUN e="300:400"; p="/file" ; a=` + "`" + `stat -c "%u:%g" "$p"` + "`" + `; if [ "$a" != "$e" ]; then echo "incorrect ownership on $p. expected $e, got $a"; exit 1; fi \
&& e="300:400"; p="/dir" ; a=` + "`" + `stat -c "%u:%g" "$p"` + "`" + `; if [ "$a" != "$e" ]; then echo "incorrect ownership on $p. expected $e, got $a"; exit 1; fi \
&& e="300:400"; p="/dir/subdir" ; a=` + "`" + `stat -c "%u:%g" "$p"` + "`" + `; if [ "$a" != "$e" ]; then echo "incorrect ownership on $p. expected $e, got $a"; exit 1; fi \
&& e="300:400"; p="/dir/subdir/nestedfile" ; a=` + "`" + `stat -c "%u:%g" "$p"` + "`" + `; if [ "$a" != "$e" ]; then echo "incorrect ownership on $p. expected $e, got $a"; exit 1; fi \
# Existing files and directories ownership should not be modified
&& e="500:600"; p="/existingdir" ; a=` + "`" + `stat -c "%u:%g" "$p"` + "`" + `; if [ "$a" != "$e" ]; then echo "incorrect ownership on $p. expected $e, got $a"; exit 1; fi \