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feat: Host environment (#1293)

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This commit is contained in:
ChristopherHX 2022-11-16 22:29:45 +01:00 committed by GitHub
parent 64e68bd7f2
commit f2b98ed301
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GPG key ID: 4AEE18F83AFDEB23
39 changed files with 1396 additions and 187 deletions
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19
.github/workflows/checks.yml vendored
View file

@ -57,6 +57,25 @@ jobs:
files: coverage.txt
fail_ci_if_error: true # optional (default = false)
test-host:
strategy:
matrix:
os:
- windows-latest
- macos-latest
name: test-${{matrix.os}}
runs-on: ${{matrix.os}}
steps:
- uses: actions/checkout@v3
with:
fetch-depth: 2
- uses: actions/setup-go@v3
with:
go-version: ${{ env.GO_VERSION }}
check-latest: true
- run: go test -v -run ^TestRunEventHostEnvironment$ ./...
# TODO merge coverage with test-linux
snapshot:
name: snapshot
runs-on: ubuntu-latest

1
go.mod
View file

@ -6,6 +6,7 @@ require (
github.com/AlecAivazis/survey/v2 v2.3.6
github.com/Masterminds/semver v1.5.0
github.com/andreaskoch/go-fswatch v1.0.0
github.com/creack/pty v1.1.17
github.com/docker/cli v20.10.21+incompatible
github.com/docker/distribution v2.8.1+incompatible
github.com/docker/docker v20.10.21+incompatible

3
pkg/container/docker_run.go
View file

@ -84,7 +84,7 @@ type Container interface {
}
// NewContainer creates a reference to a container
func NewContainer(input *NewContainerInput) Container {
func NewContainer(input *NewContainerInput) ExecutionsEnvironment {
cr := new(containerReference)
cr.input = input
return cr
@ -233,6 +233,7 @@ type containerReference struct {
input *NewContainerInput
UID int
GID int
LinuxContainerEnvironmentExtensions
}
func GetDockerClient(ctx context.Context) (cli client.APIClient, err error) {

3
pkg/container/docker_run_test.go
View file

@ -163,3 +163,6 @@ func TestDockerExecFailure(t *testing.T) {
conn.AssertExpectations(t)
client.AssertExpectations(t)
}
// Type assert containerReference implements ExecutionsEnvironment
var _ ExecutionsEnvironment = &containerReference{}

13
pkg/container/executions_environment.go Normal file
View file

@ -0,0 +1,13 @@
package container
import "context"
type ExecutionsEnvironment interface {
Container
ToContainerPath(string) string
GetActPath() string
GetPathVariableName() string
DefaultPathVariable() string
JoinPathVariable(...string) string
GetRunnerContext(ctx context.Context) map[string]interface{}
}

23
pkg/container/file_collector.go
View file

@ -59,6 +59,29 @@ func (tc tarCollector) WriteFile(fpath string, fi fs.FileInfo, linkName string,
return nil
}
type copyCollector struct {
DstDir string
}
func (cc *copyCollector) WriteFile(fpath string, fi fs.FileInfo, linkName string, f io.Reader) error {
fdestpath := filepath.Join(cc.DstDir, fpath)
if err := os.MkdirAll(filepath.Dir(fdestpath), 0777); err != nil {
return err
}
if f == nil {
return os.Symlink(linkName, fdestpath)
}
df, err := os.OpenFile(fdestpath, os.O_CREATE|os.O_WRONLY, fi.Mode())
if err != nil {
return err
}
defer df.Close()
if _, err := io.Copy(df, f); err != nil {
return err
}
return nil
}
type fileCollector struct {
Ignorer gitignore.Matcher
SrcPath string

470
pkg/container/host_environment.go Normal file
View file

@ -0,0 +1,470 @@
package container
import (
"archive/tar"
"bufio"
"bytes"
"context"
"fmt"
"io"
"io/fs"
"os"
"os/exec"
"path/filepath"
"runtime"
"strings"
"time"
"errors"
"github.com/go-git/go-billy/v5/helper/polyfill"
"github.com/go-git/go-billy/v5/osfs"
"github.com/go-git/go-git/v5/plumbing/format/gitignore"
"github.com/nektos/act/pkg/common"
"github.com/nektos/act/pkg/lookpath"
"golang.org/x/term"
)
type HostEnvironment struct {
Path string
TmpDir string
ToolCache string
Workdir string
ActPath string
CleanUp func()
StdOut io.Writer
}
func (e *HostEnvironment) Create(capAdd []string, capDrop []string) common.Executor {
return func(ctx context.Context) error {
return nil
}
}
func (e *HostEnvironment) Close() common.Executor {
return func(ctx context.Context) error {
return nil
}
}
func (e *HostEnvironment) Copy(destPath string, files ...*FileEntry) common.Executor {
return func(ctx context.Context) error {
for _, f := range files {
if err := os.MkdirAll(filepath.Dir(filepath.Join(destPath, f.Name)), 0777); err != nil {
return err
}
if err := os.WriteFile(filepath.Join(destPath, f.Name), []byte(f.Body), fs.FileMode(f.Mode)); err != nil {
return err
}
}
return nil
}
}
func (e *HostEnvironment) CopyDir(destPath string, srcPath string, useGitIgnore bool) common.Executor {
return func(ctx context.Context) error {
logger := common.Logger(ctx)
srcPrefix := filepath.Dir(srcPath)
if !strings.HasSuffix(srcPrefix, string(filepath.Separator)) {
srcPrefix += string(filepath.Separator)
}
logger.Debugf("Stripping prefix:%s src:%s", srcPrefix, srcPath)
var ignorer gitignore.Matcher
if useGitIgnore {
ps, err := gitignore.ReadPatterns(polyfill.New(osfs.New(srcPath)), nil)
if err != nil {
logger.Debugf("Error loading .gitignore: %v", err)
}
ignorer = gitignore.NewMatcher(ps)
}
fc := &fileCollector{
Fs: &defaultFs{},
Ignorer: ignorer,
SrcPath: srcPath,
SrcPrefix: srcPrefix,
Handler: &copyCollector{
DstDir: destPath,
},
}
return filepath.Walk(srcPath, fc.collectFiles(ctx, []string{}))
}
}
func (e *HostEnvironment) GetContainerArchive(ctx context.Context, srcPath string) (io.ReadCloser, error) {
buf := &bytes.Buffer{}
tw := tar.NewWriter(buf)
defer tw.Close()
srcPath = filepath.Clean(srcPath)
fi, err := os.Lstat(srcPath)
if err != nil {
return nil, err
}
tc := &tarCollector{
TarWriter: tw,
}
if fi.IsDir() {
srcPrefix := filepath.Dir(srcPath)
if !strings.HasSuffix(srcPrefix, string(filepath.Separator)) {
srcPrefix += string(filepath.Separator)
}
fc := &fileCollector{
Fs: &defaultFs{},
SrcPath: srcPath,
SrcPrefix: srcPrefix,
Handler: tc,
}
err = filepath.Walk(srcPath, fc.collectFiles(ctx, []string{}))
if err != nil {
return nil, err
}
} else {
var f io.ReadCloser
var linkname string
if fi.Mode()&fs.ModeSymlink != 0 {
linkname, err = os.Readlink(srcPath)
if err != nil {
return nil, err
}
} else {
f, err = os.Open(srcPath)
if err != nil {
return nil, err
}
defer f.Close()
}
err := tc.WriteFile(fi.Name(), fi, linkname, f)
if err != nil {
return nil, err
}
}
return io.NopCloser(buf), nil
}
func (e *HostEnvironment) Pull(forcePull bool) common.Executor {
return func(ctx context.Context) error {
return nil
}
}
func (e *HostEnvironment) Start(attach bool) common.Executor {
return func(ctx context.Context) error {
return nil
}
}
type ptyWriter struct {
Out io.Writer
AutoStop bool
dirtyLine bool
}
func (w *ptyWriter) Write(buf []byte) (int, error) {
if w.AutoStop && len(buf) > 0 && buf[len(buf)-1] == 4 {
n, err := w.Out.Write(buf[:len(buf)-1])
if err != nil {
return n, err
}
if w.dirtyLine || len(buf) > 1 && buf[len(buf)-2] != '\n' {
_, _ = w.Out.Write([]byte("\n"))
return n, io.EOF
}
return n, io.EOF
}
w.dirtyLine = strings.LastIndex(string(buf), "\n") < len(buf)-1
return w.Out.Write(buf)
}
type localEnv struct {
env map[string]string
}
func (l *localEnv) Getenv(name string) string {
if runtime.GOOS == "windows" {
for k, v := range l.env {
if strings.EqualFold(name, k) {
return v
}
}
return ""
}
return l.env[name]
}
func lookupPathHost(cmd string, env map[string]string, writer io.Writer) (string, error) {
f, err := lookpath.LookPath2(cmd, &localEnv{env: env})
if err != nil {
err := "Cannot find: " + fmt.Sprint(cmd) + " in PATH"
if _, _err := writer.Write([]byte(err + "\n")); _err != nil {
return "", fmt.Errorf("%v: %w", err, _err)
}
return "", errors.New(err)
}
return f, nil
}
func setupPty(cmd *exec.Cmd, cmdline string) (*os.File, *os.File, error) {
ppty, tty, err := openPty()
if err != nil {
return nil, nil, err
}
if term.IsTerminal(int(tty.Fd())) {
_, err := term.MakeRaw(int(tty.Fd()))
if err != nil {
ppty.Close()
tty.Close()
return nil, nil, err
}
}
cmd.Stdin = tty
cmd.Stdout = tty
cmd.Stderr = tty
cmd.SysProcAttr = getSysProcAttr(cmdline, true)
return ppty, tty, nil
}
func writeKeepAlive(ppty io.Writer) {
c := 1
var err error
for c == 1 && err == nil {
c, err = ppty.Write([]byte{4})
<-time.After(time.Second)
}
}
func copyPtyOutput(writer io.Writer, ppty io.Reader, finishLog context.CancelFunc) {
defer func() {
finishLog()
}()
if _, err := io.Copy(writer, ppty); err != nil {
return
}
}
func (e *HostEnvironment) UpdateFromImageEnv(env *map[string]string) common.Executor {
return func(ctx context.Context) error {
return nil
}
}
func getEnvListFromMap(env map[string]string) []string {
envList := make([]string, 0)
for k, v := range env {
envList = append(envList, fmt.Sprintf("%s=%s", k, v))
}
return envList
}
func (e *HostEnvironment) exec(ctx context.Context, command []string, cmdline string, env map[string]string, user, workdir string) error {
envList := getEnvListFromMap(env)
var wd string
if workdir != "" {
if filepath.IsAbs(workdir) {
wd = workdir
} else {
wd = filepath.Join(e.Path, workdir)
}
} else {
wd = e.Path
}
f, err := lookupPathHost(command[0], env, e.StdOut)
if err != nil {
return err
}
cmd := exec.CommandContext(ctx, f)
cmd.Path = f
cmd.Args = command
cmd.Stdin = nil
cmd.Stdout = e.StdOut
cmd.Env = envList
cmd.Stderr = e.StdOut
cmd.Dir = wd
cmd.SysProcAttr = getSysProcAttr(cmdline, false)
var ppty *os.File
var tty *os.File
defer func() {
if ppty != nil {
ppty.Close()
}
if tty != nil {
tty.Close()
}
}()
if true /* allocate Terminal */ {
var err error
ppty, tty, err = setupPty(cmd, cmdline)
if err != nil {
common.Logger(ctx).Debugf("Failed to setup Pty %v\n", err.Error())
}
}
writer := &ptyWriter{Out: e.StdOut}
logctx, finishLog := context.WithCancel(context.Background())
if ppty != nil {
go copyPtyOutput(writer, ppty, finishLog)
} else {
finishLog()
}
if ppty != nil {
go writeKeepAlive(ppty)
}
err = cmd.Run()
if err != nil {
return err
}
if tty != nil {
writer.AutoStop = true
if _, err := tty.Write([]byte("\x04")); err != nil {
common.Logger(ctx).Debug("Failed to write EOT")
}
}
<-logctx.Done()
if ppty != nil {
ppty.Close()
ppty = nil
}
return err
}
func (e *HostEnvironment) Exec(command []string /*cmdline string, */, env map[string]string, user, workdir string) common.Executor {
return func(ctx context.Context) error {
if err := e.exec(ctx, command, "" /*cmdline*/, env, user, workdir); err != nil {
select {
case <-ctx.Done():
return fmt.Errorf("this step has been cancelled: %w", err)
default:
return err
}
}
return nil
}
}
func (e *HostEnvironment) UpdateFromEnv(srcPath string, env *map[string]string) common.Executor {
localEnv := *env
return func(ctx context.Context) error {
envTar, err := e.GetContainerArchive(ctx, srcPath)
if err != nil {
return nil
}
defer envTar.Close()
reader := tar.NewReader(envTar)
_, err = reader.Next()
if err != nil && err != io.EOF {
return err
}
s := bufio.NewScanner(reader)
for s.Scan() {
line := s.Text()
singleLineEnv := strings.Index(line, "=")
multiLineEnv := strings.Index(line, "<<")
if singleLineEnv != -1 && (multiLineEnv == -1 || singleLineEnv < multiLineEnv) {
localEnv[line[:singleLineEnv]] = line[singleLineEnv+1:]
} else if multiLineEnv != -1 {
multiLineEnvContent := ""
multiLineEnvDelimiter := line[multiLineEnv+2:]
delimiterFound := false
for s.Scan() {
content := s.Text()
if content == multiLineEnvDelimiter {
delimiterFound = true
break
}
if multiLineEnvContent != "" {
multiLineEnvContent += "\n"
}
multiLineEnvContent += content
}
if !delimiterFound {
return fmt.Errorf("invalid format delimiter '%v' not found before end of file", multiLineEnvDelimiter)
}
localEnv[line[:multiLineEnv]] = multiLineEnvContent
} else {
return fmt.Errorf("invalid format '%v', expected a line with '=' or '<<'", line)
}
}
env = &localEnv
return nil
}
}
func (e *HostEnvironment) UpdateFromPath(env *map[string]string) common.Executor {
localEnv := *env
return func(ctx context.Context) error {
pathTar, err := e.GetContainerArchive(ctx, localEnv["GITHUB_PATH"])
if err != nil {
return err
}
defer pathTar.Close()
reader := tar.NewReader(pathTar)
_, err = reader.Next()
if err != nil && err != io.EOF {
return err
}
s := bufio.NewScanner(reader)
for s.Scan() {
line := s.Text()
pathSep := string(filepath.ListSeparator)
localEnv[e.GetPathVariableName()] = fmt.Sprintf("%s%s%s", line, pathSep, localEnv[e.GetPathVariableName()])
}
env = &localEnv
return nil
}
}
func (e *HostEnvironment) Remove() common.Executor {
return func(ctx context.Context) error {
if e.CleanUp != nil {
e.CleanUp()
}
return os.RemoveAll(e.Path)
}
}
func (e *HostEnvironment) ToContainerPath(path string) string {
if bp, err := filepath.Rel(e.Workdir, path); err != nil {
return filepath.Join(e.Path, bp)
} else if filepath.Clean(e.Workdir) == filepath.Clean(path) {
return e.Path
}
return path
}
func (e *HostEnvironment) GetActPath() string {
return e.ActPath
}
func (*HostEnvironment) GetPathVariableName() string {
if runtime.GOOS == "plan9" {
return "path"
} else if runtime.GOOS == "windows" {
return "Path" // Actually we need a case insensitive map
}
return "PATH"
}
func (e *HostEnvironment) DefaultPathVariable() string {
v, _ := os.LookupEnv(e.GetPathVariableName())
return v
}
func (*HostEnvironment) JoinPathVariable(paths ...string) string {
return strings.Join(paths, string(filepath.ListSeparator))
}
func (e *HostEnvironment) GetRunnerContext(ctx context.Context) map[string]interface{} {
return map[string]interface{}{
"os": runtime.GOOS,
"arch": runtime.GOARCH,
"temp": e.TmpDir,
"tool_cache": e.ToolCache,
}
}
func (e *HostEnvironment) ReplaceLogWriter(stdout io.Writer, stderr io.Writer) (io.Writer, io.Writer) {
org := e.StdOut
e.StdOut = stdout
return org, org
}

4
pkg/container/host_environment_test.go Normal file
View file

@ -0,0 +1,4 @@
package container
// Type assert HostEnvironment implements ExecutionsEnvironment
var _ ExecutionsEnvironment = &HostEnvironment{}

73
pkg/container/linux_container_environment_extensions.go Normal file
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@ -0,0 +1,73 @@
package container
import (
"context"
"path/filepath"
"regexp"
"runtime"
"strings"
log "github.com/sirupsen/logrus"
)
type LinuxContainerEnvironmentExtensions struct {
}
// Resolves the equivalent host path inside the container
// This is required for windows and WSL 2 to translate things like C:\Users\Myproject to /mnt/users/Myproject
// For use in docker volumes and binds
func (*LinuxContainerEnvironmentExtensions) ToContainerPath(path string) string {
if runtime.GOOS == "windows" && strings.Contains(path, "/") {
log.Error("You cannot specify linux style local paths (/mnt/etc) on Windows as it does not understand them.")
return ""
}
abspath, err := filepath.Abs(path)
if err != nil {
log.Error(err)
return ""
}
// Test if the path is a windows path
windowsPathRegex := regexp.MustCompile(`^([a-zA-Z]):\\(.+)$`)
windowsPathComponents := windowsPathRegex.FindStringSubmatch(abspath)
// Return as-is if no match
if windowsPathComponents == nil {
return abspath
}
// Convert to WSL2-compatible path if it is a windows path
// NOTE: Cannot use filepath because it will use the wrong path separators assuming we want the path to be windows
// based if running on Windows, and because we are feeding this to Docker, GoLang auto-path-translate doesn't work.
driveLetter := strings.ToLower(windowsPathComponents[1])
translatedPath := strings.ReplaceAll(windowsPathComponents[2], `\`, `/`)
// Should make something like /mnt/c/Users/person/My Folder/MyActProject
result := strings.Join([]string{"/mnt", driveLetter, translatedPath}, `/`)
return result
}
func (*LinuxContainerEnvironmentExtensions) GetActPath() string {
return "/var/run/act"
}
func (*LinuxContainerEnvironmentExtensions) GetPathVariableName() string {
return "PATH"
}
func (*LinuxContainerEnvironmentExtensions) DefaultPathVariable() string {
return "/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin"
}
func (*LinuxContainerEnvironmentExtensions) JoinPathVariable(paths ...string) string {
return strings.Join(paths, ":")
}
func (*LinuxContainerEnvironmentExtensions) GetRunnerContext(ctx context.Context) map[string]interface{} {
return map[string]interface{}{
"os": "Linux",
"arch": RunnerArch(ctx),
"temp": "/tmp",
"tool_cache": "/opt/hostedtoolcache",
}
}

71
pkg/container/linux_container_environment_extensions_test.go Normal file
View file

@ -0,0 +1,71 @@
package container
import (
"fmt"
"os"
"runtime"
"strings"
"testing"
log "github.com/sirupsen/logrus"
"github.com/stretchr/testify/assert"
)
func TestContainerPath(t *testing.T) {
type containerPathJob struct {
destinationPath string
sourcePath string
workDir string
}
linuxcontainerext := &LinuxContainerEnvironmentExtensions{}
if runtime.GOOS == "windows" {
cwd, err := os.Getwd()
if err != nil {
log.Error(err)
}
rootDrive := os.Getenv("SystemDrive")
rootDriveLetter := strings.ReplaceAll(strings.ToLower(rootDrive), `:`, "")
for _, v := range []containerPathJob{
{"/mnt/c/Users/act/go/src/github.com/nektos/act", "C:\\Users\\act\\go\\src\\github.com\\nektos\\act\\", ""},
{"/mnt/f/work/dir", `F:\work\dir`, ""},
{"/mnt/c/windows/to/unix", "windows\\to\\unix", fmt.Sprintf("%s\\", rootDrive)},
{fmt.Sprintf("/mnt/%v/act", rootDriveLetter), "act", fmt.Sprintf("%s\\", rootDrive)},
} {
if v.workDir != "" {
if err := os.Chdir(v.workDir); err != nil {
log.Error(err)
t.Fail()
}
}
assert.Equal(t, v.destinationPath, linuxcontainerext.ToContainerPath(v.sourcePath))
}
if err := os.Chdir(cwd); err != nil {
log.Error(err)
}
} else {
cwd, err := os.Getwd()
if err != nil {
log.Error(err)
}
for _, v := range []containerPathJob{
{"/home/act/go/src/github.com/nektos/act", "/home/act/go/src/github.com/nektos/act", ""},
{"/home/act", `/home/act/`, ""},
{cwd, ".", ""},
} {
assert.Equal(t, v.destinationPath, linuxcontainerext.ToContainerPath(v.sourcePath))
}
}
}
type typeAssertMockContainer struct {
Container
LinuxContainerEnvironmentExtensions
}
// Type assert Container + LinuxContainerEnvironmentExtensions implements ExecutionsEnvironment
var _ ExecutionsEnvironment = &typeAssertMockContainer{}

26
pkg/container/util.go Normal file
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@ -0,0 +1,26 @@
//go:build (!windows && !plan9 && !openbsd) || (!windows && !plan9 && !mips64)
package container
import (
"os"
"syscall"
"github.com/creack/pty"
)
func getSysProcAttr(cmdLine string, tty bool) *syscall.SysProcAttr {
if tty {
return &syscall.SysProcAttr{
Setsid: true,
Setctty: true,
}
}
return &syscall.SysProcAttr{
Setpgid: true,
}
}
func openPty() (*os.File, *os.File, error) {
return pty.Open()
}

17
pkg/container/util_openbsd_mips64.go Normal file
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@ -0,0 +1,17 @@
package container
import (
"errors"
"os"
"syscall"
)
func getSysProcAttr(cmdLine string, tty bool) *syscall.SysProcAttr {
return &syscall.SysProcAttr{
Setpgid: true,
}
}
func openPty() (*os.File, *os.File, error) {
return nil, nil, errors.New("Unsupported")
}

17
pkg/container/util_plan9.go Normal file
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@ -0,0 +1,17 @@
package container
import (
"errors"
"os"
"syscall"
)
func getSysProcAttr(cmdLine string, tty bool) *syscall.SysProcAttr {
return &syscall.SysProcAttr{
Rfork: syscall.RFNOTEG,
}
}
func openPty() (*os.File, *os.File, error) {
return nil, nil, errors.New("Unsupported")
}

15
pkg/container/util_windows.go Normal file
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@ -0,0 +1,15 @@
package container
import (
"errors"
"os"
"syscall"
)
func getSysProcAttr(cmdLine string, tty bool) *syscall.SysProcAttr {
return &syscall.SysProcAttr{CmdLine: cmdLine, CreationFlags: syscall.CREATE_NEW_PROCESS_GROUP}
}
func openPty() (*os.File, *os.File, error) {
return nil, nil, errors.New("Unsupported")
}

27
pkg/lookpath/LICENSE Normal file
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@ -0,0 +1,27 @@
Copyright (c) 2009 The Go Authors. All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are
met:
* Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
* Redistributions in binary form must reproduce the above
copyright notice, this list of conditions and the following disclaimer
in the documentation and/or other materials provided with the
distribution.
* Neither the name of Google Inc. nor the names of its
contributors may be used to endorse or promote products derived from
this software without specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

18
pkg/lookpath/env.go Normal file
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@ -0,0 +1,18 @@
package lookpath
import "os"
type Env interface {
Getenv(name string) string
}
type defaultEnv struct {
}
func (*defaultEnv) Getenv(name string) string {
return os.Getenv(name)
}
func LookPath(file string) (string, error) {
return LookPath2(file, &defaultEnv{})
}

10
pkg/lookpath/error.go Normal file
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@ -0,0 +1,10 @@
package lookpath
type Error struct {
Name string
Err error
}
func (e *Error) Error() string {
return e.Err.Error()
}

23
pkg/lookpath/lp_js.go Normal file
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@ -0,0 +1,23 @@
// Copyright 2018 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
//go:build js && wasm
package lookpath
import (
"errors"
)
// ErrNotFound is the error resulting if a path search failed to find an executable file.
var ErrNotFound = errors.New("executable file not found in $PATH")
// LookPath searches for an executable named file in the
// directories named by the PATH environment variable.
// If file contains a slash, it is tried directly and the PATH is not consulted.
// The result may be an absolute path or a path relative to the current directory.
func LookPath2(file string, lenv Env) (string, error) {
// Wasm can not execute processes, so act as if there are no executables at all.
return "", &Error{file, ErrNotFound}
}

56
pkg/lookpath/lp_plan9.go Normal file
View file

@ -0,0 +1,56 @@
// Copyright 2011 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package lookpath
import (
"errors"
"io/fs"
"os"
"path/filepath"
"strings"
)
// ErrNotFound is the error resulting if a path search failed to find an executable file.
var ErrNotFound = errors.New("executable file not found in $path")
func findExecutable(file string) error {
d, err := os.Stat(file)
if err != nil {
return err
}
if m := d.Mode(); !m.IsDir() && m&0111 != 0 {
return nil
}
return fs.ErrPermission
}
// LookPath searches for an executable named file in the
// directories named by the path environment variable.
// If file begins with "/", "#", "./", or "../", it is tried
// directly and the path is not consulted.
// The result may be an absolute path or a path relative to the current directory.
func LookPath2(file string, lenv Env) (string, error) {
// skip the path lookup for these prefixes
skip := []string{"/", "#", "./", "../"}
for _, p := range skip {
if strings.HasPrefix(file, p) {
err := findExecutable(file)
if err == nil {
return file, nil
}
return "", &Error{file, err}
}
}
path := lenv.Getenv("path")
for _, dir := range filepath.SplitList(path) {
path := filepath.Join(dir, file)
if err := findExecutable(path); err == nil {
return path, nil
}
}
return "", &Error{file, ErrNotFound}
}

59
pkg/lookpath/lp_unix.go Normal file
View file

@ -0,0 +1,59 @@
// Copyright 2010 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
//go:build aix || darwin || dragonfly || freebsd || linux || netbsd || openbsd || solaris
package lookpath
import (
"errors"
"io/fs"
"os"
"path/filepath"
"strings"
)
// ErrNotFound is the error resulting if a path search failed to find an executable file.
var ErrNotFound = errors.New("executable file not found in $PATH")
func findExecutable(file string) error {
d, err := os.Stat(file)
if err != nil {
return err
}
if m := d.Mode(); !m.IsDir() && m&0111 != 0 {
return nil
}
return fs.ErrPermission
}
// LookPath searches for an executable named file in the
// directories named by the PATH environment variable.
// If file contains a slash, it is tried directly and the PATH is not consulted.
// The result may be an absolute path or a path relative to the current directory.
func LookPath2(file string, lenv Env) (string, error) {
// NOTE(rsc): I wish we could use the Plan 9 behavior here
// (only bypass the path if file begins with / or ./ or ../)
// but that would not match all the Unix shells.
if strings.Contains(file, "/") {
err := findExecutable(file)
if err == nil {
return file, nil
}
return "", &Error{file, err}
}
path := lenv.Getenv("PATH")
for _, dir := range filepath.SplitList(path) {
if dir == "" {
// Unix shell semantics: path element "" means "."
dir = "."
}
path := filepath.Join(dir, file)
if err := findExecutable(path); err == nil {
return path, nil
}
}
return "", &Error{file, ErrNotFound}
}

94
pkg/lookpath/lp_windows.go Normal file
View file

@ -0,0 +1,94 @@
// Copyright 2010 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package lookpath
import (
"errors"
"io/fs"
"os"
"path/filepath"
"strings"
)
// ErrNotFound is the error resulting if a path search failed to find an executable file.
var ErrNotFound = errors.New("executable file not found in %PATH%")
func chkStat(file string) error {
d, err := os.Stat(file)
if err != nil {
return err
}
if d.IsDir() {
return fs.ErrPermission
}
return nil
}
func hasExt(file string) bool {
i := strings.LastIndex(file, ".")
if i < 0 {
return false
}
return strings.LastIndexAny(file, `:\/`) < i
}
func findExecutable(file string, exts []string) (string, error) {
if len(exts) == 0 {
return file, chkStat(file)
}
if hasExt(file) {
if chkStat(file) == nil {
return file, nil
}
}
for _, e := range exts {
if f := file + e; chkStat(f) == nil {
return f, nil
}
}
return "", fs.ErrNotExist
}
// LookPath searches for an executable named file in the
// directories named by the PATH environment variable.
// If file contains a slash, it is tried directly and the PATH is not consulted.
// LookPath also uses PATHEXT environment variable to match
// a suitable candidate.
// The result may be an absolute path or a path relative to the current directory.
func LookPath2(file string, lenv Env) (string, error) {
var exts []string
x := lenv.Getenv(`PATHEXT`)
if x != "" {
for _, e := range strings.Split(strings.ToLower(x), `;`) {
if e == "" {
continue
}
if e[0] != '.' {
e = "." + e
}
exts = append(exts, e)
}
} else {
exts = []string{".com", ".exe", ".bat", ".cmd"}
}
if strings.ContainsAny(file, `:\/`) {
if f, err := findExecutable(file, exts); err == nil {
return f, nil
} else {
return "", &Error{file, err}
}
}
if f, err := findExecutable(filepath.Join(".", file), exts); err == nil {
return f, nil
}
path := lenv.Getenv("path")
for _, dir := range filepath.SplitList(path) {
if f, err := findExecutable(filepath.Join(dir, file), exts); err == nil {
return f, nil
}
}
return "", &Error{file, ErrNotFound}
}

6
pkg/runner/action.go
View file

@ -352,7 +352,7 @@ func newStepContainer(ctx context.Context, step step, image string, cmd []string
stepContainer := container.NewContainer(&container.NewContainerInput{
Cmd: cmd,
Entrypoint: entrypoint,
WorkingDir: rc.Config.ContainerWorkdir(),
WorkingDir: rc.JobContainer.ToContainerPath(rc.Config.Workdir),
Image: image,
Username: rc.Config.Secrets["DOCKER_USERNAME"],
Password: rc.Config.Secrets["DOCKER_PASSWORD"],
@ -396,11 +396,11 @@ func getContainerActionPaths(step *model.Step, actionDir string, rc *RunContext)
containerActionDir := "."
if step.Type() != model.StepTypeUsesActionRemote {
actionName = getOsSafeRelativePath(actionDir, rc.Config.Workdir)
containerActionDir = rc.Config.ContainerWorkdir() + "/" + actionName
containerActionDir = rc.JobContainer.ToContainerPath(rc.Config.Workdir) + "/" + actionName
actionName = "./" + actionName
} else if step.Type() == model.StepTypeUsesActionRemote {
actionName = getOsSafeRelativePath(actionDir, rc.ActionCacheDir())
containerActionDir = ActPath + "/actions/" + actionName
containerActionDir = rc.JobContainer.GetActPath() + "/actions/" + actionName
}
if actionName == "" {

1
pkg/runner/container_mock_test.go
View file

@ -11,6 +11,7 @@ import (
type containerMock struct {
mock.Mock
container.Container
container.LinuxContainerEnvironmentExtensions
}
func (cm *containerMock) Create(capAdd []string, capDrop []string) common.Executor {

27
pkg/runner/expression.go
View file

@ -7,7 +7,6 @@ import (
"strings"
"github.com/nektos/act/pkg/common"
"github.com/nektos/act/pkg/container"
"github.com/nektos/act/pkg/exprparser"
"github.com/nektos/act/pkg/model"
"gopkg.in/yaml.v3"
@ -23,9 +22,11 @@ type ExpressionEvaluator interface {
// NewExpressionEvaluator creates a new evaluator
func (rc *RunContext) NewExpressionEvaluator(ctx context.Context) ExpressionEvaluator {
// todo: cleanup EvaluationEnvironment creation
job := rc.Run.Job()
using := make(map[string]map[string]map[string]string)
strategy := make(map[string]interface{})
if job.Strategy != nil {
if rc.Run != nil {
job := rc.Run.Job()
if job != nil && job.Strategy != nil {
strategy["fail-fast"] = job.Strategy.FailFast
strategy["max-parallel"] = job.Strategy.MaxParallel
}
@ -33,12 +34,12 @@ func (rc *RunContext) NewExpressionEvaluator(ctx context.Context) ExpressionEval
jobs := rc.Run.Workflow.Jobs
jobNeeds := rc.Run.Job().Needs()
using := make(map[string]map[string]map[string]string)
for _, needs := range jobNeeds {
using[needs] = map[string]map[string]string{
"outputs": jobs[needs].Outputs,
}
}
}
ghc := rc.getGithubContext(ctx)
inputs := getEvaluatorInputs(ctx, rc, nil, ghc)
@ -50,18 +51,15 @@ func (rc *RunContext) NewExpressionEvaluator(ctx context.Context) ExpressionEval
// todo: should be unavailable
// but required to interpolate/evaluate the step outputs on the job
Steps: rc.getStepsContext(),
Runner: map[string]interface{}{
"os": "Linux",
"arch": container.RunnerArch(ctx),
"temp": "/tmp",
"tool_cache": "/opt/hostedtoolcache",
},
Secrets: rc.Config.Secrets,
Strategy: strategy,
Matrix: rc.Matrix,
Needs: using,
Inputs: inputs,
}
if rc.JobContainer != nil {
ee.Runner = rc.JobContainer.GetRunnerContext(ctx)
}
return expressionEvaluator{
interpreter: exprparser.NewInterpeter(ee, exprparser.Config{
Run: rc.Run,
@ -99,12 +97,6 @@ func (rc *RunContext) NewStepExpressionEvaluator(ctx context.Context, step step)
Env: *step.getEnv(),
Job: rc.getJobContext(),
Steps: rc.getStepsContext(),
Runner: map[string]interface{}{
"os": "Linux",
"arch": container.RunnerArch(ctx),
"temp": "/tmp",
"tool_cache": "/opt/hostedtoolcache",
},
Secrets: rc.Config.Secrets,
Strategy: strategy,
Matrix: rc.Matrix,
@ -113,6 +105,9 @@ func (rc *RunContext) NewStepExpressionEvaluator(ctx context.Context, step step)
// but required to interpolate/evaluate the inputs in actions/composite
Inputs: inputs,
}
if rc.JobContainer != nil {
ee.Runner = rc.JobContainer.GetRunnerContext(ctx)
}
return expressionEvaluator{
interpreter: exprparser.NewInterpeter(ee, exprparser.Config{
Run: rc.Run,

1
pkg/runner/expression_test.go
View file

@ -117,7 +117,6 @@ func TestEvaluateRunContext(t *testing.T) {
{"github.run_id", "1", ""},
{"github.run_number", "1", ""},
{"job.status", "success", ""},
{"runner.os", "Linux", ""},
{"matrix.os", "Linux", ""},
{"matrix.foo", "bar", ""},
{"env.key", "value", ""},

14
pkg/runner/job_executor.go
View file

@ -38,6 +38,20 @@ func newJobExecutor(info jobInfo, sf stepFactory, rc *RunContext) common.Executo
return common.NewDebugExecutor("No steps found")
}
preSteps = append(preSteps, func(ctx context.Context) error {
// Have to be skipped for some Tests
if rc.Run == nil {
return nil
}
rc.ExprEval = rc.NewExpressionEvaluator(ctx)
// evaluate environment variables since they can contain
// GitHub's special environment variables.
for k, v := range rc.GetEnv() {
rc.Env[k] = rc.ExprEval.Interpolate(ctx, v)
}
return nil
})
for i, stepModel := range infoSteps {
stepModel := stepModel
if stepModel == nil {

1
pkg/runner/job_executor_test.go
View file

@ -79,6 +79,7 @@ func (jim *jobInfoMock) result(result string) {
type jobContainerMock struct {
container.Container
container.LinuxContainerEnvironmentExtensions
}
func (jcm *jobContainerMock) ReplaceLogWriter(stdout, stderr io.Writer) (io.Writer, io.Writer) {

135
pkg/runner/run_context.go
View file

@ -2,7 +2,10 @@ package runner
import (
"context"
"crypto/rand"
"encoding/hex"
"encoding/json"
"errors"
"fmt"
"os"
"path/filepath"
@ -21,8 +24,6 @@ import (
"github.com/nektos/act/pkg/model"
)
const ActPath string = "/var/run/act"
// RunContext contains info about current job
type RunContext struct {
Name string
@ -35,12 +36,13 @@ type RunContext struct {
CurrentStep string
StepResults map[string]*model.StepResult
ExprEval ExpressionEvaluator
JobContainer container.Container
JobContainer container.ExecutionsEnvironment
OutputMappings map[MappableOutput]MappableOutput
JobName string
ActionPath string
Parent *RunContext
Masks []string
cleanUpJobContainer common.Executor
}
func (rc *RunContext) AddMask(mask string) {
@ -59,7 +61,13 @@ func (rc *RunContext) String() string {
// GetEnv returns the env for the context
func (rc *RunContext) GetEnv() map[string]string {
if rc.Env == nil {
rc.Env = mergeMaps(rc.Run.Workflow.Env, rc.Run.Job().Environment(), rc.Config.Env)
rc.Env = map[string]string{}
if rc.Run != nil && rc.Run.Workflow != nil && rc.Config != nil {
job := rc.Run.Job()
if job != nil {
rc.Env = mergeMaps(rc.Run.Workflow.Env, job.Environment(), rc.Config.Env)
}
}
}
rc.Env["ACT"] = "true"
return rc.Env
@ -81,9 +89,11 @@ func (rc *RunContext) GetBindsAndMounts() ([]string, map[string]string) {
fmt.Sprintf("%s:%s", rc.Config.ContainerDaemonSocket, "/var/run/docker.sock"),
}
ext := container.LinuxContainerEnvironmentExtensions{}
mounts := map[string]string{
"act-toolcache": "/toolcache",
name + "-env": ActPath,
name + "-env": ext.GetActPath(),
}
if job := rc.Run.Job(); job != nil {
@ -109,14 +119,84 @@ func (rc *RunContext) GetBindsAndMounts() ([]string, map[string]string) {
if selinux.GetEnabled() {
bindModifiers = ":z"
}
binds = append(binds, fmt.Sprintf("%s:%s%s", rc.Config.Workdir, rc.Config.ContainerWorkdir(), bindModifiers))
binds = append(binds, fmt.Sprintf("%s:%s%s", rc.Config.Workdir, ext.ToContainerPath(rc.Config.Workdir), bindModifiers))
} else {
mounts[name] = rc.Config.ContainerWorkdir()
mounts[name] = ext.ToContainerPath(rc.Config.Workdir)
}
return binds, mounts
}
func (rc *RunContext) startHostEnvironment() common.Executor {
return func(ctx context.Context) error {
logger := common.Logger(ctx)
rawLogger := logger.WithField("raw_output", true)
logWriter := common.NewLineWriter(rc.commandHandler(ctx), func(s string) bool {
if rc.Config.LogOutput {
rawLogger.Infof("%s", s)
} else {
rawLogger.Debugf("%s", s)
}
return true
})
cacheDir := rc.ActionCacheDir()
randBytes := make([]byte, 8)
_, _ = rand.Read(randBytes)
miscpath := filepath.Join(cacheDir, hex.EncodeToString(randBytes))
actPath := filepath.Join(miscpath, "act")
if err := os.MkdirAll(actPath, 0777); err != nil {
return err
}
path := filepath.Join(miscpath, "hostexecutor")
if err := os.MkdirAll(path, 0777); err != nil {
return err
}
runnerTmp := filepath.Join(miscpath, "tmp")
if err := os.MkdirAll(runnerTmp, 0777); err != nil {
return err
}
toolCache := filepath.Join(cacheDir, "tool_cache")
rc.JobContainer = &container.HostEnvironment{
Path: path,
TmpDir: runnerTmp,
ToolCache: toolCache,
Workdir: rc.Config.Workdir,
ActPath: actPath,
CleanUp: func() {
os.RemoveAll(miscpath)
},
StdOut: logWriter,
}
rc.cleanUpJobContainer = rc.JobContainer.Remove()
rc.Env["RUNNER_TOOL_CACHE"] = toolCache
rc.Env["RUNNER_OS"] = runtime.GOOS
rc.Env["RUNNER_ARCH"] = runtime.GOARCH
rc.Env["RUNNER_TEMP"] = runnerTmp
for _, env := range os.Environ() {
i := strings.Index(env, "=")
if i > 0 {
rc.Env[env[0:i]] = env[i+1:]
}
}
return common.NewPipelineExecutor(
rc.JobContainer.Copy(rc.JobContainer.GetActPath()+"/", &container.FileEntry{
Name: "workflow/event.json",
Mode: 0644,
Body: rc.EventJSON,
}, &container.FileEntry{
Name: "workflow/envs.txt",
Mode: 0666,
Body: "",
}, &container.FileEntry{
Name: "workflow/paths.txt",
Mode: 0666,
Body: "",
}),
)(ctx)
}
}
func (rc *RunContext) startJobContainer() common.Executor {
return func(ctx context.Context) error {
logger := common.Logger(ctx)
@ -146,12 +226,22 @@ func (rc *RunContext) startJobContainer() common.Executor {
envList = append(envList, fmt.Sprintf("%s=%s", "RUNNER_ARCH", container.RunnerArch(ctx)))
envList = append(envList, fmt.Sprintf("%s=%s", "RUNNER_TEMP", "/tmp"))
ext := container.LinuxContainerEnvironmentExtensions{}
binds, mounts := rc.GetBindsAndMounts()
rc.cleanUpJobContainer = func(ctx context.Context) error {
if rc.JobContainer != nil && !rc.Config.ReuseContainers {
return rc.JobContainer.Remove().
Then(container.NewDockerVolumeRemoveExecutor(rc.jobContainerName(), false)).
Then(container.NewDockerVolumeRemoveExecutor(rc.jobContainerName()+"-env", false))(ctx)
}
return nil
}
rc.JobContainer = container.NewContainer(&container.NewContainerInput{
Cmd: nil,
Entrypoint: []string{"/usr/bin/tail", "-f", "/dev/null"},
WorkingDir: rc.Config.ContainerWorkdir(),
WorkingDir: ext.ToContainerPath(rc.Config.Workdir),
Image: image,
Username: username,
Password: password,
@ -167,6 +257,9 @@ func (rc *RunContext) startJobContainer() common.Executor {
Platform: rc.Config.ContainerArchitecture,
Options: rc.options(ctx),
})
if rc.JobContainer == nil {
return errors.New("Failed to create job container")
}
return common.NewPipelineExecutor(
rc.JobContainer.Pull(rc.Config.ForcePull),
@ -175,7 +268,7 @@ func (rc *RunContext) startJobContainer() common.Executor {
rc.JobContainer.Start(false),
rc.JobContainer.UpdateFromImageEnv(&rc.Env),
rc.JobContainer.UpdateFromEnv("/etc/environment", &rc.Env),
rc.JobContainer.Copy(ActPath+"/", &container.FileEntry{
rc.JobContainer.Copy(rc.JobContainer.GetActPath()+"/", &container.FileEntry{
Name: "workflow/event.json",
Mode: 0644,
Body: rc.EventJSON,
@ -201,10 +294,8 @@ func (rc *RunContext) execJobContainer(cmd []string, env map[string]string, user
// stopJobContainer removes the job container (if it exists) and its volume (if it exists) if !rc.Config.ReuseContainers
func (rc *RunContext) stopJobContainer() common.Executor {
return func(ctx context.Context) error {
if rc.JobContainer != nil && !rc.Config.ReuseContainers {
return rc.JobContainer.Remove().
Then(container.NewDockerVolumeRemoveExecutor(rc.jobContainerName(), false)).
Then(container.NewDockerVolumeRemoveExecutor(rc.jobContainerName()+"-env", false))(ctx)
if rc.cleanUpJobContainer != nil && !rc.Config.ReuseContainers {
return rc.cleanUpJobContainer(ctx)
}
return nil
}
@ -241,7 +332,13 @@ func (rc *RunContext) interpolateOutputs() common.Executor {
}
func (rc *RunContext) startContainer() common.Executor {
return rc.startJobContainer()
return func(ctx context.Context) error {
image := rc.platformImage(ctx)
if strings.EqualFold(image, "-self-hosted") {
return rc.startHostEnvironment()(ctx)
}
return rc.startJobContainer()(ctx)
}
}
func (rc *RunContext) stopContainer() common.Executor {
@ -409,13 +506,11 @@ func (rc *RunContext) getGithubContext(ctx context.Context) *model.GithubContext
logger := common.Logger(ctx)
ghc := &model.GithubContext{
Event: make(map[string]interface{}),
EventPath: ActPath + "/workflow/event.json",
Workflow: rc.Run.Workflow.Name,
RunID: rc.Config.Env["GITHUB_RUN_ID"],
RunNumber: rc.Config.Env["GITHUB_RUN_NUMBER"],
Actor: rc.Config.Actor,
EventName: rc.Config.EventName,
Workspace: rc.Config.ContainerWorkdir(),
Action: rc.CurrentStep,
Token: rc.Config.Token,
ActionPath: rc.ActionPath,
@ -424,6 +519,10 @@ func (rc *RunContext) getGithubContext(ctx context.Context) *model.GithubContext
RunnerPerflog: rc.Config.Env["RUNNER_PERFLOG"],
RunnerTrackingID: rc.Config.Env["RUNNER_TRACKING_ID"],
}
if rc.JobContainer != nil {
ghc.EventPath = rc.JobContainer.GetActPath() + "/workflow/event.json"
ghc.Workspace = rc.JobContainer.ToContainerPath(rc.Config.Workdir)
}
if ghc.RunID == "" {
ghc.RunID = "1"
@ -538,8 +637,8 @@ func nestedMapLookup(m map[string]interface{}, ks ...string) (rval interface{})
func (rc *RunContext) withGithubEnv(ctx context.Context, github *model.GithubContext, env map[string]string) map[string]string {
env["CI"] = "true"
env["GITHUB_ENV"] = ActPath + "/workflow/envs.txt"
env["GITHUB_PATH"] = ActPath + "/workflow/paths.txt"
env["GITHUB_ENV"] = rc.JobContainer.GetActPath() + "/workflow/envs.txt"
env["GITHUB_PATH"] = rc.JobContainer.GetActPath() + "/workflow/paths.txt"
env["GITHUB_WORKFLOW"] = github.Workflow
env["GITHUB_RUN_ID"] = github.RunID
env["GITHUB_RUN_NUMBER"] = github.RunNumber

2
pkg/runner/run_context_test.go
View file

@ -385,14 +385,12 @@ func TestGetGitHubContext(t *testing.T) {
}
assert.Equal(t, ghc.RunID, "1")
assert.Equal(t, ghc.Workspace, rc.Config.containerPath(cwd))
assert.Equal(t, ghc.RunNumber, "1")
assert.Equal(t, ghc.RetentionDays, "0")
assert.Equal(t, ghc.Actor, actor)
assert.Equal(t, ghc.Repository, repo)
assert.Equal(t, ghc.RepositoryOwner, owner)
assert.Equal(t, ghc.RunnerPerflog, "/dev/null")
assert.Equal(t, ghc.EventPath, ActPath+"/workflow/event.json")
assert.Equal(t, ghc.Token, rc.Config.Secrets["GITHUB_TOKEN"])
}

49
pkg/runner/runner.go
View file

@ -4,10 +4,6 @@ import (
"context"
"fmt"
"os"
"path/filepath"
"regexp"
"runtime"
"strings"
"time"
log "github.com/sirupsen/logrus"
@ -57,46 +53,6 @@ type Config struct {
ReplaceGheActionTokenWithGithubCom string // Token of private action repo on GitHub.
}
// Resolves the equivalent host path inside the container
// This is required for windows and WSL 2 to translate things like C:\Users\Myproject to /mnt/users/Myproject
// For use in docker volumes and binds
func (config *Config) containerPath(path string) string {
if runtime.GOOS == "windows" && strings.Contains(path, "/") {
log.Error("You cannot specify linux style local paths (/mnt/etc) on Windows as it does not understand them.")
return ""
}
abspath, err := filepath.Abs(path)
if err != nil {
log.Error(err)
return ""
}
// Test if the path is a windows path
windowsPathRegex := regexp.MustCompile(`^([a-zA-Z]):\\(.+)$`)
windowsPathComponents := windowsPathRegex.FindStringSubmatch(abspath)
// Return as-is if no match
if windowsPathComponents == nil {
return abspath
}
// Convert to WSL2-compatible path if it is a windows path
// NOTE: Cannot use filepath because it will use the wrong path separators assuming we want the path to be windows
// based if running on Windows, and because we are feeding this to Docker, GoLang auto-path-translate doesn't work.
driveLetter := strings.ToLower(windowsPathComponents[1])
translatedPath := strings.ReplaceAll(windowsPathComponents[2], `\`, `/`)
// Should make something like /mnt/c/Users/person/My Folder/MyActProject
result := strings.Join([]string{"/mnt", driveLetter, translatedPath}, `/`)
return result
}
// Resolves the equivalent host path inside the container
// This is required for windows and WSL 2 to translate things like C:\Users\Myproject to /mnt/users/Myproject
func (config *Config) ContainerWorkdir() string {
return config.containerPath(config.Workdir)
}
type runnerImpl struct {
config *Config
eventJSON string
@ -163,11 +119,6 @@ func (runner *runnerImpl) NewPlanExecutor(plan *model.Plan) common.Executor {
if len(matrixes) > 1 {
rc.Name = fmt.Sprintf("%s-%d", rc.Name, i+1)
}
// evaluate environment variables since they can contain
// GitHub's special environment variables.
for k, v := range rc.GetEnv() {
rc.Env[k] = rc.ExprEval.Interpolate(ctx, v)
}
if len(rc.String()) > maxJobNameLen {
maxJobNameLen = len(rc.String())
}

146
pkg/runner/runner_test.go
View file

@ -205,6 +205,95 @@ func TestRunEvent(t *testing.T) {
}
}
func TestRunEventHostEnvironment(t *testing.T) {
if testing.Short() {
t.Skip("skipping integration test")
}
ctx := context.Background()
tables := []TestJobFileInfo{}
if runtime.GOOS == "linux" {
platforms := map[string]string{
"ubuntu-latest": "-self-hosted",
}
tables = append(tables, []TestJobFileInfo{
// Shells
{workdir, "shells/defaults", "push", "", platforms},
{workdir, "shells/pwsh", "push", "", platforms},
{workdir, "shells/bash", "push", "", platforms},
{workdir, "shells/python", "push", "", platforms},
{workdir, "shells/sh", "push", "", platforms},
// Local action
{workdir, "local-action-js", "push", "", platforms},
// Uses
{workdir, "uses-composite", "push", "", platforms},
{workdir, "uses-composite-with-error", "push", "Job 'failing-composite-action' failed", platforms},
{workdir, "uses-nested-composite", "push", "", platforms},
{workdir, "act-composite-env-test", "push", "", platforms},
// Eval
{workdir, "evalmatrix", "push", "", platforms},
{workdir, "evalmatrixneeds", "push", "", platforms},
{workdir, "evalmatrixneeds2", "push", "", platforms},
{workdir, "evalmatrix-merge-map", "push", "", platforms},
{workdir, "evalmatrix-merge-array", "push", "", platforms},
{workdir, "issue-1195", "push", "", platforms},
{workdir, "fail", "push", "exit with `FAILURE`: 1", platforms},
{workdir, "runs-on", "push", "", platforms},
{workdir, "checkout", "push", "", platforms},
{workdir, "remote-action-js", "push", "", platforms},
{workdir, "matrix", "push", "", platforms},
{workdir, "matrix-include-exclude", "push", "", platforms},
{workdir, "commands", "push", "", platforms},
{workdir, "defaults-run", "push", "", platforms},
{workdir, "composite-fail-with-output", "push", "", platforms},
{workdir, "issue-597", "push", "", platforms},
{workdir, "issue-598", "push", "", platforms},
{workdir, "if-env-act", "push", "", platforms},
{workdir, "env-and-path", "push", "", platforms},
{workdir, "non-existent-action", "push", "Job 'nopanic' failed", platforms},
{workdir, "outputs", "push", "", platforms},
{workdir, "steps-context/conclusion", "push", "", platforms},
{workdir, "steps-context/outcome", "push", "", platforms},
{workdir, "job-status-check", "push", "job 'fail' failed", platforms},
{workdir, "if-expressions", "push", "Job 'mytest' failed", platforms},
{workdir, "uses-action-with-pre-and-post-step", "push", "", platforms},
{workdir, "evalenv", "push", "", platforms},
{workdir, "ensure-post-steps", "push", "Job 'second-post-step-should-fail' failed", platforms},
}...)
}
if runtime.GOOS == "windows" {
platforms := map[string]string{
"windows-latest": "-self-hosted",
}
tables = append(tables, []TestJobFileInfo{
{workdir, "windows-prepend-path", "push", "", platforms},
{workdir, "windows-add-env", "push", "", platforms},
}...)
} else {
platforms := map[string]string{
"self-hosted": "-self-hosted",
}
tables = append(tables, []TestJobFileInfo{
{workdir, "nix-prepend-path", "push", "", platforms},
}...)
}
for _, table := range tables {
t.Run(table.workflowPath, func(t *testing.T) {
table.runTest(ctx, t, &Config{})
})
}
}
func TestDryrunEvent(t *testing.T) {
if testing.Short() {
t.Skip("skipping integration test")
@ -320,60 +409,3 @@ func TestRunEventPullRequest(t *testing.T) {
tjfi.runTest(context.Background(), t, &Config{EventPath: filepath.Join(workdir, workflowPath, "event.json")})
}
func TestContainerPath(t *testing.T) {
type containerPathJob struct {
destinationPath string
sourcePath string
workDir string
}
if runtime.GOOS == "windows" {
cwd, err := os.Getwd()
if err != nil {
log.Error(err)
}
rootDrive := os.Getenv("SystemDrive")
rootDriveLetter := strings.ReplaceAll(strings.ToLower(rootDrive), `:`, "")
for _, v := range []containerPathJob{
{"/mnt/c/Users/act/go/src/github.com/nektos/act", "C:\\Users\\act\\go\\src\\github.com\\nektos\\act\\", ""},
{"/mnt/f/work/dir", `F:\work\dir`, ""},
{"/mnt/c/windows/to/unix", "windows\\to\\unix", fmt.Sprintf("%s\\", rootDrive)},
{fmt.Sprintf("/mnt/%v/act", rootDriveLetter), "act", fmt.Sprintf("%s\\", rootDrive)},
} {
if v.workDir != "" {
if err := os.Chdir(v.workDir); err != nil {
log.Error(err)
t.Fail()
}
}
runnerConfig := &Config{
Workdir: v.sourcePath,
}
assert.Equal(t, v.destinationPath, runnerConfig.containerPath(runnerConfig.Workdir))
}
if err := os.Chdir(cwd); err != nil {
log.Error(err)
}
} else {
cwd, err := os.Getwd()
if err != nil {
log.Error(err)
}
for _, v := range []containerPathJob{
{"/home/act/go/src/github.com/nektos/act", "/home/act/go/src/github.com/nektos/act", ""},
{"/home/act", `/home/act/`, ""},
{cwd, ".", ""},
} {
runnerConfig := &Config{
Workdir: v.sourcePath,
}
assert.Equal(t, v.destinationPath, runnerConfig.containerPath(runnerConfig.Workdir))
}
}
}

9
pkg/runner/step.go
View file

@ -162,13 +162,12 @@ func mergeEnv(ctx context.Context, step step) {
mergeIntoMap(env, rc.GetEnv())
}
if (*env)["PATH"] == "" {
(*env)["PATH"] = `/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin`
path := rc.JobContainer.GetPathVariableName()
if (*env)[path] == "" {
(*env)[path] = rc.JobContainer.DefaultPathVariable()
}
if rc.ExtraPath != nil && len(rc.ExtraPath) > 0 {
p := (*env)["PATH"]
(*env)["PATH"] = strings.Join(rc.ExtraPath, `:`)
(*env)["PATH"] += `:` + p
(*env)[path] = rc.JobContainer.JoinPathVariable(append(rc.ExtraPath, (*env)[path])...)
}
rc.withGithubEnv(ctx, step.getGithubContext(ctx), *env)

2
pkg/runner/step_action_remote.go
View file

@ -118,7 +118,7 @@ func (sar *stepActionRemote) main() common.Executor {
return nil
}
eval := sar.RunContext.NewExpressionEvaluator(ctx)
copyToPath := path.Join(sar.RunContext.Config.ContainerWorkdir(), eval.Interpolate(ctx, sar.Step.With["path"]))
copyToPath := path.Join(sar.RunContext.JobContainer.ToContainerPath(sar.RunContext.Config.Workdir), eval.Interpolate(ctx, sar.Step.With["path"]))
return sar.RunContext.JobContainer.CopyDir(copyToPath, sar.RunContext.Config.Workdir+string(filepath.Separator)+".", sar.RunContext.Config.UseGitIgnore)(ctx)
}

2
pkg/runner/step_docker.go
View file

@ -116,7 +116,7 @@ func (sd *stepDocker) newStepContainer(ctx context.Context, image string, cmd []
stepContainer := ContainerNewContainer(&container.NewContainerInput{
Cmd: cmd,
Entrypoint: entrypoint,
WorkingDir: rc.Config.ContainerWorkdir(),
WorkingDir: rc.JobContainer.ToContainerPath(rc.Config.Workdir),
Image: image,
Username: rc.Config.Secrets["DOCKER_USERNAME"],
Password: rc.Config.Secrets["DOCKER_PASSWORD"],

2
pkg/runner/step_docker_test.go
View file

@ -17,7 +17,7 @@ func TestStepDockerMain(t *testing.T) {
// mock the new container call
origContainerNewContainer := ContainerNewContainer
ContainerNewContainer = func(containerInput *container.NewContainerInput) container.Container {
ContainerNewContainer = func(containerInput *container.NewContainerInput) container.ExecutionsEnvironment {
input = containerInput
return cm
}

6
pkg/runner/step_run.go
View file

@ -68,7 +68,8 @@ func (sr *stepRun) setupShellCommandExecutor() common.Executor {
return err
}
return sr.RunContext.JobContainer.Copy(ActPath, &container.FileEntry{
rc := sr.getRunContext()
return rc.JobContainer.Copy(rc.JobContainer.GetActPath(), &container.FileEntry{
Name: scriptName,
Mode: 0755,
Body: script,
@ -128,7 +129,8 @@ func (sr *stepRun) setupShellCommand(ctx context.Context) (name, script string,
logger.Debugf("Wrote add-mask command to '%s'", name)
}
scriptPath := fmt.Sprintf("%s/%s", ActPath, name)
rc := sr.getRunContext()
scriptPath := fmt.Sprintf("%s/%s", rc.JobContainer.GetActPath(), name)
sr.cmd, err = shellquote.Split(strings.Replace(scCmd, `{0}`, scriptPath, 1))
return name, script, err

26
pkg/runner/testdata/nix-prepend-path/push.yml vendored Normal file
View file

@ -0,0 +1,26 @@
on:
push:
defaults:
run:
shell: sh
jobs:
test:
runs-on: self-hosted
steps:
- run: |
mkdir build
echo '#!/usr/bin/env sh' > build/testtool
echo 'echo Hi' >> build/testtool
chmod +x build/testtool
- run: |
echo '${{ tojson(runner) }}'
ls
echo '${{ github.workspace }}'
working-directory: ${{ github.workspace }}/build
- run: |
echo "$GITHUB_PATH"
echo '${{ github.workspace }}/build' > "$GITHUB_PATH"
cat "$GITHUB_PATH"
- run: |
echo "$PATH"
testtool

27
pkg/runner/testdata/windows-add-env/push.yml vendored Normal file
View file

@ -0,0 +1,27 @@
on:
push:
defaults:
run:
shell: pwsh
jobs:
test:
runs-on: windows-latest
steps:
- run: |
echo $env:GITHUB_ENV
echo "key=val" > $env:GITHUB_ENV
echo "key2<<EOF" >> $env:GITHUB_ENV
echo "line1" >> $env:GITHUB_ENV
echo "line2" >> $env:GITHUB_ENV
echo "EOF" >> $env:GITHUB_ENV
cat $env:GITHUB_ENV
- run: |
ls env:
if($env:key -ne 'val') {
echo "Unexpected value for `$env:key: $env:key"
exit 1
}
if($env:key2 -ne "line1`nline2") {
echo "Unexpected value for `$env:key2: $env:key2"
exit 1
}

25
pkg/runner/testdata/windows-prepend-path/push.yml vendored Normal file
View file

@ -0,0 +1,25 @@
on:
push:
defaults:
run:
shell: pwsh
jobs:
test:
runs-on: windows-latest
steps:
- run: |
mkdir build
echo '@echo off' > build/test.cmd
echo 'echo Hi' >> build/test.cmd
- run: |
echo '${{ tojson(runner) }}'
ls
echo '${{ github.workspace }}'
working-directory: ${{ github.workspace }}\build
- run: |
echo $env:GITHUB_PATH
echo '${{ github.workspace }}\build' > $env:GITHUB_PATH
cat $env:GITHUB_PATH
- run: |
echo $env:PATH
test