246 lines
8.0 KiB
Go
246 lines
8.0 KiB
Go
package runner
|
|
|
|
import (
|
|
"context"
|
|
"errors"
|
|
"fmt"
|
|
"io"
|
|
"os"
|
|
"path"
|
|
"path/filepath"
|
|
"regexp"
|
|
"strings"
|
|
|
|
"github.com/nektos/act/pkg/common"
|
|
"github.com/nektos/act/pkg/common/git"
|
|
"github.com/nektos/act/pkg/model"
|
|
|
|
gogit "github.com/go-git/go-git/v5"
|
|
)
|
|
|
|
type stepActionRemote struct {
|
|
Step *model.Step
|
|
RunContext *RunContext
|
|
compositeRunContext *RunContext
|
|
compositeSteps *compositeSteps
|
|
readAction readAction
|
|
runAction runAction
|
|
action *model.Action
|
|
env map[string]string
|
|
remoteAction *remoteAction
|
|
}
|
|
|
|
var stepActionRemoteNewCloneExecutor = git.NewGitCloneExecutor
|
|
|
|
func (sar *stepActionRemote) prepareActionExecutor() common.Executor {
|
|
return func(ctx context.Context) error {
|
|
if sar.remoteAction != nil && sar.action != nil {
|
|
// we are already good to run
|
|
return nil
|
|
}
|
|
|
|
sar.remoteAction = newRemoteAction(sar.Step.Uses)
|
|
if sar.remoteAction == nil {
|
|
return fmt.Errorf("Expected format {org}/{repo}[/path]@ref. Actual '%s' Input string was not in a correct format", sar.Step.Uses)
|
|
}
|
|
|
|
sar.remoteAction.URL = sar.RunContext.Config.DefaultActionInstance
|
|
|
|
github := sar.getGithubContext(ctx)
|
|
if sar.remoteAction.IsCheckout() && isLocalCheckout(github, sar.Step) && !sar.RunContext.Config.NoSkipCheckout {
|
|
common.Logger(ctx).Debugf("Skipping local actions/checkout because workdir was already copied")
|
|
return nil
|
|
}
|
|
|
|
for _, action := range sar.RunContext.Config.ReplaceGheActionWithGithubCom {
|
|
if strings.EqualFold(fmt.Sprintf("%s/%s", sar.remoteAction.Org, sar.remoteAction.Repo), action) {
|
|
sar.remoteAction.URL = "github.com"
|
|
github.Token = sar.RunContext.Config.ReplaceGheActionTokenWithGithubCom
|
|
}
|
|
}
|
|
|
|
actionDir := fmt.Sprintf("%s/%s", sar.RunContext.ActionCacheDir(), strings.ReplaceAll(sar.Step.Uses, "/", "-"))
|
|
gitClone := stepActionRemoteNewCloneExecutor(git.NewGitCloneExecutorInput{
|
|
URL: sar.remoteAction.CloneURL(),
|
|
Ref: sar.remoteAction.Ref,
|
|
Dir: actionDir,
|
|
Token: github.Token,
|
|
})
|
|
var ntErr common.Executor
|
|
if err := gitClone(ctx); err != nil {
|
|
if errors.Is(err, git.ErrShortRef) {
|
|
return fmt.Errorf("Unable to resolve action `%s`, the provided ref `%s` is the shortened version of a commit SHA, which is not supported. Please use the full commit SHA `%s` instead",
|
|
sar.Step.Uses, sar.remoteAction.Ref, err.(*git.Error).Commit())
|
|
} else if errors.Is(err, gogit.ErrForceNeeded) { // TODO: figure out if it will be easy to shadow/alias go-git err's
|
|
ntErr = common.NewInfoExecutor("Non-terminating error while running 'git clone': %v", err)
|
|
} else {
|
|
return err
|
|
}
|
|
}
|
|
|
|
remoteReader := func(ctx context.Context) actionYamlReader {
|
|
return func(filename string) (io.Reader, io.Closer, error) {
|
|
f, err := os.Open(filepath.Join(actionDir, sar.remoteAction.Path, filename))
|
|
return f, f, err
|
|
}
|
|
}
|
|
|
|
return common.NewPipelineExecutor(
|
|
ntErr,
|
|
func(ctx context.Context) error {
|
|
actionModel, err := sar.readAction(ctx, sar.Step, actionDir, sar.remoteAction.Path, remoteReader(ctx), os.WriteFile)
|
|
sar.action = actionModel
|
|
return err
|
|
},
|
|
)(ctx)
|
|
}
|
|
}
|
|
|
|
func (sar *stepActionRemote) pre() common.Executor {
|
|
sar.env = map[string]string{}
|
|
|
|
return common.NewPipelineExecutor(
|
|
sar.prepareActionExecutor(),
|
|
runStepExecutor(sar, stepStagePre, runPreStep(sar)).If(hasPreStep(sar)).If(shouldRunPreStep(sar)))
|
|
}
|
|
|
|
func (sar *stepActionRemote) main() common.Executor {
|
|
return common.NewPipelineExecutor(
|
|
sar.prepareActionExecutor(),
|
|
runStepExecutor(sar, stepStageMain, func(ctx context.Context) error {
|
|
github := sar.getGithubContext(ctx)
|
|
if sar.remoteAction.IsCheckout() && isLocalCheckout(github, sar.Step) && !sar.RunContext.Config.NoSkipCheckout {
|
|
if sar.RunContext.Config.BindWorkdir {
|
|
common.Logger(ctx).Debugf("Skipping local actions/checkout because you bound your workspace")
|
|
return nil
|
|
}
|
|
eval := sar.RunContext.NewExpressionEvaluator(ctx)
|
|
copyToPath := path.Join(sar.RunContext.Config.ContainerWorkdir(), 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)
|
|
}
|
|
|
|
actionDir := fmt.Sprintf("%s/%s", sar.RunContext.ActionCacheDir(), strings.ReplaceAll(sar.Step.Uses, "/", "-"))
|
|
|
|
return sar.runAction(sar, actionDir, sar.remoteAction)(ctx)
|
|
}),
|
|
)
|
|
}
|
|
|
|
func (sar *stepActionRemote) post() common.Executor {
|
|
return runStepExecutor(sar, stepStagePost, runPostStep(sar)).If(hasPostStep(sar)).If(shouldRunPostStep(sar))
|
|
}
|
|
|
|
func (sar *stepActionRemote) getRunContext() *RunContext {
|
|
return sar.RunContext
|
|
}
|
|
|
|
func (sar *stepActionRemote) getGithubContext(ctx context.Context) *model.GithubContext {
|
|
ghc := sar.getRunContext().getGithubContext(ctx)
|
|
|
|
// extend github context if we already have an initialized remoteAction
|
|
remoteAction := sar.remoteAction
|
|
if remoteAction != nil {
|
|
ghc.ActionRepository = fmt.Sprintf("%s/%s", remoteAction.Org, remoteAction.Repo)
|
|
ghc.ActionRef = remoteAction.Ref
|
|
}
|
|
|
|
return ghc
|
|
}
|
|
|
|
func (sar *stepActionRemote) getStepModel() *model.Step {
|
|
return sar.Step
|
|
}
|
|
|
|
func (sar *stepActionRemote) getEnv() *map[string]string {
|
|
return &sar.env
|
|
}
|
|
|
|
func (sar *stepActionRemote) getIfExpression(ctx context.Context, stage stepStage) string {
|
|
switch stage {
|
|
case stepStagePre:
|
|
github := sar.getGithubContext(ctx)
|
|
if sar.remoteAction.IsCheckout() && isLocalCheckout(github, sar.Step) && !sar.RunContext.Config.NoSkipCheckout {
|
|
// skip local checkout pre step
|
|
return "false"
|
|
}
|
|
return sar.action.Runs.PreIf
|
|
case stepStageMain:
|
|
return sar.Step.If.Value
|
|
case stepStagePost:
|
|
return sar.action.Runs.PostIf
|
|
}
|
|
return ""
|
|
}
|
|
|
|
func (sar *stepActionRemote) getActionModel() *model.Action {
|
|
return sar.action
|
|
}
|
|
|
|
func (sar *stepActionRemote) getCompositeRunContext(ctx context.Context) *RunContext {
|
|
if sar.compositeRunContext == nil {
|
|
actionDir := fmt.Sprintf("%s/%s", sar.RunContext.ActionCacheDir(), strings.ReplaceAll(sar.Step.Uses, "/", "-"))
|
|
actionLocation := path.Join(actionDir, sar.remoteAction.Path)
|
|
_, containerActionDir := getContainerActionPaths(sar.getStepModel(), actionLocation, sar.RunContext)
|
|
|
|
sar.compositeRunContext = newCompositeRunContext(ctx, sar.RunContext, sar, containerActionDir)
|
|
sar.compositeSteps = sar.compositeRunContext.compositeExecutor(sar.action)
|
|
} else {
|
|
// Re-evaluate environment here. For remote actions the environment
|
|
// need to be re-created for every stage (pre, main, post) as there
|
|
// might be required context changes (inputs/outputs) while the action
|
|
// stages are executed. (e.g. the output of another action is the
|
|
// input for this action during the main stage, but the env
|
|
// was already created during the pre stage)
|
|
env := evaluateCompositeInputAndEnv(ctx, sar.RunContext, sar)
|
|
sar.compositeRunContext.Env = env
|
|
}
|
|
return sar.compositeRunContext
|
|
}
|
|
|
|
func (sar *stepActionRemote) getCompositeSteps() *compositeSteps {
|
|
return sar.compositeSteps
|
|
}
|
|
|
|
type remoteAction struct {
|
|
URL string
|
|
Org string
|
|
Repo string
|
|
Path string
|
|
Ref string
|
|
}
|
|
|
|
func (ra *remoteAction) CloneURL() string {
|
|
u := ra.URL
|
|
if !strings.HasPrefix(u, "http://") && !strings.HasPrefix(u, "https://") {
|
|
u = "https://" + u
|
|
}
|
|
return fmt.Sprintf("%s/%s/%s", u, ra.Org, ra.Repo)
|
|
}
|
|
|
|
func (ra *remoteAction) IsCheckout() bool {
|
|
if ra.Org == "actions" && ra.Repo == "checkout" {
|
|
return true
|
|
}
|
|
return false
|
|
}
|
|
|
|
func newRemoteAction(action string) *remoteAction {
|
|
// GitHub's document[^] describes:
|
|
// > We strongly recommend that you include the version of
|
|
// > the action you are using by specifying a Git ref, SHA, or Docker tag number.
|
|
// Actually, the workflow stops if there is the uses directive that hasn't @ref.
|
|
// [^]: https://docs.github.com/en/actions/reference/workflow-syntax-for-github-actions
|
|
r := regexp.MustCompile(`^([^/@]+)/([^/@]+)(/([^@]*))?(@(.*))?$`)
|
|
matches := r.FindStringSubmatch(action)
|
|
if len(matches) < 7 || matches[6] == "" {
|
|
return nil
|
|
}
|
|
return &remoteAction{
|
|
Org: matches[1],
|
|
Repo: matches[2],
|
|
Path: matches[4],
|
|
Ref: matches[6],
|
|
URL: "github.com",
|
|
}
|
|
}
|