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feat: Support graceful job step cancellation (#69)

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* for gh-act-runner
* act-cli support as well
* respecting always() and cancelled() of steps
* setup-job, bug report, gh cli and watch wait call is cancelled early
This commit is contained in:
ChristopherHX
2025-03-29 12:27:36 +01:00
committed by GitHub
parent dde298852a
commit cef5575fa4
8 changed files with 242 additions and 28 deletions
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30
pkg/runner/step.go
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@@ -12,6 +12,7 @@ import (
"github.com/actions-oss/act-cli/pkg/container"
"github.com/actions-oss/act-cli/pkg/exprparser"
"github.com/actions-oss/act-cli/pkg/model"
"github.com/sirupsen/logrus"
)
type step interface {
@@ -84,6 +85,9 @@ func runStepExecutor(step step, stage stepStage, executor common.Executor) commo
return err
}
cctx := common.JobCancelContext(ctx)
rc.Cancelled = cctx != nil && cctx.Err() != nil
runStep, err := isStepEnabled(ctx, ifExpression, step, stage)
if err != nil {
stepResult.Conclusion = model.StepStatusFailure
@@ -139,9 +143,13 @@ func runStepExecutor(step step, stage stepStage, executor common.Executor) commo
Mode: 0o666,
})(ctx)
timeoutctx, cancelTimeOut := evaluateStepTimeout(ctx, rc.ExprEval, stepModel)
stepCtx, cancelStepCtx := context.WithCancel(ctx)
defer cancelStepCtx()
var cancelTimeOut context.CancelFunc
stepCtx, cancelTimeOut = evaluateStepTimeout(stepCtx, rc.ExprEval, stepModel)
defer cancelTimeOut()
err = executor(timeoutctx)
monitorJobCancellation(ctx, stepCtx, cctx, rc, logger, ifExpression, step, stage, cancelStepCtx)
err = executor(stepCtx)
if err == nil {
logger.WithField("stepResult", stepResult.Outcome).Infof(" \u2705 Success - %s %s", stage, stepString)
@@ -189,6 +197,24 @@ func runStepExecutor(step step, stage stepStage, executor common.Executor) commo
}
}
func monitorJobCancellation(ctx context.Context, stepCtx context.Context, jobCancellationCtx context.Context, rc *RunContext, logger logrus.FieldLogger, ifExpression string, step step, stage stepStage, cancelStepCtx context.CancelFunc) {
if !rc.Cancelled && jobCancellationCtx != nil {
go func() {
select {
case <-jobCancellationCtx.Done():
rc.Cancelled = true
logger.Infof("Reevaluate condition %v due to cancellation", ifExpression)
keepStepRunning, err := isStepEnabled(ctx, ifExpression, step, stage)
logger.Infof("Result condition keepStepRunning=%v", keepStepRunning)
if !keepStepRunning || err != nil {
cancelStepCtx()
}
case <-stepCtx.Done():
}
}()
}
}
func evaluateStepTimeout(ctx context.Context, exprEval ExpressionEvaluator, stepModel *model.Step) (context.Context, context.CancelFunc) {
timeout := exprEval.Interpolate(ctx, stepModel.TimeoutMinutes)
if timeout != "" {