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Diffstat (limited to 'pkg/runner/run_context.go')
-rw-r--r--pkg/runner/run_context.go284
1 files changed, 139 insertions, 145 deletions
diff --git a/pkg/runner/run_context.go b/pkg/runner/run_context.go
index 5a662d6..39b3737 100644
--- a/pkg/runner/run_context.go
+++ b/pkg/runner/run_context.go
@@ -1,16 +1,12 @@
package runner
import (
- "archive/tar"
- "bytes"
"context"
"encoding/json"
"fmt"
- "io"
- "io/ioutil"
"os"
+ "path/filepath"
"regexp"
- "runtime"
"strings"
"github.com/nektos/act/pkg/container"
@@ -23,16 +19,16 @@ import (
// RunContext contains info about current job
type RunContext struct {
- Config *Config
- Matrix map[string]interface{}
- Run *model.Run
- EventJSON string
- Env map[string]string
- Tempdir string
- ExtraPath []string
- CurrentStep string
- StepResults map[string]*stepResult
- ExprEval ExpressionEvaluator
+ Config *Config
+ Matrix map[string]interface{}
+ Run *model.Run
+ EventJSON string
+ Env map[string]string
+ ExtraPath []string
+ CurrentStep string
+ StepResults map[string]*stepResult
+ ExprEval ExpressionEvaluator
+ JobContainer container.Container
}
type stepResult struct {
@@ -48,78 +44,139 @@ func (rc *RunContext) GetEnv() map[string]string {
return rc.Env
}
-// Close cleans up temp dir
-func (rc *RunContext) Close(ctx context.Context) error {
- return os.RemoveAll(rc.Tempdir)
+func (rc *RunContext) jobContainerName() string {
+ return createContainerName(filepath.Base(rc.Config.Workdir), rc.Run.String())
}
-// Executor returns a pipeline executor for all the steps in the job
-func (rc *RunContext) Executor() common.Executor {
+func (rc *RunContext) startJobContainer() common.Executor {
+ job := rc.Run.Job()
- err := rc.setupTempDir()
- if err != nil {
- return common.NewErrorExecutor(err)
+ var image string
+ if job.Container != nil {
+ image = job.Container.Image
+ } else {
+ platformName := rc.ExprEval.Interpolate(job.RunsOn)
+ image = rc.Config.Platforms[strings.ToLower(platformName)]
}
+
+ return func(ctx context.Context) error {
+ rawLogger := common.Logger(ctx).WithField("raw_output", true)
+ logWriter := common.NewLineWriter(rc.commandHandler(ctx), func(s string) {
+ if rc.Config.LogOutput {
+ rawLogger.Infof(s)
+ } else {
+ rawLogger.Debugf(s)
+ }
+ })
+
+ common.Logger(ctx).Infof("\U0001f680 Start image=%s", image)
+ name := rc.jobContainerName()
+
+ rc.JobContainer = container.NewContainer(&container.NewContainerInput{
+ Cmd: nil,
+ Entrypoint: []string{"/bin/cat"},
+ WorkingDir: "/github/workspace",
+ Image: image,
+ Name: name,
+ Mounts: map[string]string{
+ name: "/github",
+ },
+ Binds: []string{
+ fmt.Sprintf("%s:%s", rc.Config.Workdir, "/github/workspace"),
+ fmt.Sprintf("%s:%s", "/var/run/docker.sock", "/var/run/docker.sock"),
+ },
+ Stdout: logWriter,
+ Stderr: logWriter,
+ })
+
+ return common.NewPipelineExecutor(
+ rc.JobContainer.Pull(rc.Config.ForcePull),
+ rc.JobContainer.Remove().IfBool(!rc.Config.ReuseContainers),
+ rc.JobContainer.Create(),
+ rc.JobContainer.Start(false),
+ rc.JobContainer.Copy("/github/", &container.FileEntry{
+ Name: "workflow/event.json",
+ Mode: 644,
+ Body: rc.EventJSON,
+ }),
+ )(ctx)
+ }
+}
+func (rc *RunContext) execJobContainer(cmd []string, env map[string]string) common.Executor {
+ return func(ctx context.Context) error {
+ return rc.JobContainer.Exec(cmd, env)(ctx)
+ }
+}
+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))(ctx)
+ }
+ return nil
+ }
+}
+
+// Executor returns a pipeline executor for all the steps in the job
+func (rc *RunContext) Executor() common.Executor {
steps := make([]common.Executor, 0)
+ steps = append(steps, rc.startJobContainer())
for i, step := range rc.Run.Job().Steps {
if step.ID == "" {
step.ID = fmt.Sprintf("%d", i)
}
- s := step
- steps = append(steps, func(ctx context.Context) error {
- rc.CurrentStep = s.ID
- rc.StepResults[rc.CurrentStep] = &stepResult{
- Success: true,
- Outputs: make(map[string]string),
- }
- rc.ExprEval = rc.NewStepExpressionEvaluator(s)
+ steps = append(steps, rc.newStepExecutor(step))
+ }
+ steps = append(steps, rc.stopJobContainer())
- if !rc.EvalBool(s.If) {
- log.Debugf("Skipping step '%s' due to '%s'", s.String(), s.If)
- return nil
- }
+ return common.NewPipelineExecutor(steps...).If(rc.isEnabled)
+}
- common.Logger(ctx).Infof("\u2B50 Run %s", s)
- err := rc.newStepExecutor(s)(ctx)
- if err == nil {
- common.Logger(ctx).Infof(" \u2705 Success - %s", s)
- } else {
- common.Logger(ctx).Errorf(" \u274C Failure - %s", s)
- rc.StepResults[rc.CurrentStep].Success = false
- }
- return err
- })
+func (rc *RunContext) newStepExecutor(step *model.Step) common.Executor {
+ sc := &StepContext{
+ RunContext: rc,
+ Step: step,
}
return func(ctx context.Context) error {
- defer rc.Close(ctx)
- job := rc.Run.Job()
- log := common.Logger(ctx)
- if !rc.EvalBool(job.If) {
- log.Debugf("Skipping job '%s' due to '%s'", job.Name, job.If)
- return nil
+ rc.CurrentStep = sc.Step.ID
+ rc.StepResults[rc.CurrentStep] = &stepResult{
+ Success: true,
+ Outputs: make(map[string]string),
}
+ rc.ExprEval = sc.NewExpressionEvaluator()
- platformName := rc.ExprEval.Interpolate(rc.Run.Job().RunsOn)
- if img, ok := rc.Config.Platforms[strings.ToLower(platformName)]; !ok || img == "" {
- log.Infof(" \U0001F6A7 Skipping unsupported platform '%s'", platformName)
+ if !rc.EvalBool(sc.Step.If) {
+ log.Debugf("Skipping step '%s' due to '%s'", sc.Step.String(), sc.Step.If)
return nil
}
- nullLogger := logrus.New()
- nullLogger.Out = ioutil.Discard
- if !rc.Config.ReuseContainers {
- _ = rc.newContainerCleaner()(common.WithLogger(ctx, nullLogger))
+ common.Logger(ctx).Infof("\u2B50 Run %s", sc.Step)
+ err := sc.Executor()(ctx)
+ if err == nil {
+ common.Logger(ctx).Infof(" \u2705 Success - %s", sc.Step)
+ } else {
+ common.Logger(ctx).Errorf(" \u274C Failure - %s", sc.Step)
+ rc.StepResults[rc.CurrentStep].Success = false
}
+ return err
+ }
+}
- err := common.NewPipelineExecutor(steps...)(ctx)
-
- if !rc.Config.ReuseContainers {
- _ = rc.newContainerCleaner()(common.WithLogger(ctx, nullLogger))
- }
+func (rc *RunContext) isEnabled(ctx context.Context) bool {
+ job := rc.Run.Job()
+ log := common.Logger(ctx)
+ if !rc.EvalBool(job.If) {
+ log.Debugf("Skipping job '%s' due to '%s'", job.Name, job.If)
+ return false
+ }
- return err
+ platformName := rc.ExprEval.Interpolate(rc.Run.Job().RunsOn)
+ if img, ok := rc.Config.Platforms[strings.ToLower(platformName)]; !ok || img == "" {
+ log.Infof(" \U0001F6A7 Skipping unsupported platform '%s'", platformName)
+ return false
}
+ return true
}
// EvalBool evaluates an expression against current run context
@@ -145,33 +202,7 @@ func mergeMaps(maps ...map[string]string) map[string]string {
return rtnMap
}
-func (rc *RunContext) setupTempDir() error {
- var err error
- tempBase := ""
- if runtime.GOOS == "darwin" {
- tempBase = "/tmp"
- }
- rc.Tempdir, err = ioutil.TempDir(tempBase, "act-")
- if err != nil {
- return err
- }
- err = os.Chmod(rc.Tempdir, 0755)
- if err != nil {
- return err
- }
- log.Debugf("Setup tempdir %s", rc.Tempdir)
- return err
-}
-
-func (rc *RunContext) pullImage(containerSpec *model.ContainerSpec) common.Executor {
- return func(ctx context.Context) error {
- return container.NewDockerPullExecutor(container.NewDockerPullExecutorInput{
- Image: containerSpec.Image,
- ForcePull: rc.Config.ForcePull,
- })(ctx)
- }
-}
-
+/*
func (rc *RunContext) runContainer(containerSpec *model.ContainerSpec) common.Executor {
return func(ctx context.Context) error {
ghReader, err := rc.createGithubTarball()
@@ -200,7 +231,7 @@ func (rc *RunContext) runContainer(containerSpec *model.ContainerSpec) common.Ex
}
})
- return container.NewDockerRunExecutor(container.NewDockerRunExecutorInput{
+ c := container.NewContainer(&container.NewContainerInput{
Cmd: cmd,
Entrypoint: entrypoint,
Image: containerSpec.Image,
@@ -212,64 +243,27 @@ func (rc *RunContext) runContainer(containerSpec *model.ContainerSpec) common.Ex
fmt.Sprintf("%s:%s", rc.Tempdir, "/github/home"),
fmt.Sprintf("%s:%s", "/var/run/docker.sock", "/var/run/docker.sock"),
},
- Content: map[string]io.Reader{"/github": ghReader},
- ReuseContainers: containerSpec.Reuse,
- Stdout: logWriter,
- Stderr: logWriter,
- })(ctx)
- }
-}
-
-func (rc *RunContext) createGithubTarball() (io.Reader, error) {
- var buf bytes.Buffer
- tw := tar.NewWriter(&buf)
- var files = []struct {
- Name string
- Mode int64
- Body string
- }{
- {"workflow/event.json", 0644, rc.EventJSON},
- }
- for _, file := range files {
- log.Debugf("Writing entry to tarball %s len:%d", file.Name, len(rc.EventJSON))
- hdr := &tar.Header{
- Name: file.Name,
- Mode: file.Mode,
- Size: int64(len(rc.EventJSON)),
- }
- if err := tw.WriteHeader(hdr); err != nil {
- return nil, err
- }
- if _, err := tw.Write([]byte(rc.EventJSON)); err != nil {
- return nil, err
- }
- }
- if err := tw.Close(); err != nil {
- return nil, err
- }
-
- return &buf, nil
-
-}
-
-func (rc *RunContext) createContainerName() string {
- containerName := rc.Run.String()
- containerName = regexp.MustCompile("[^a-zA-Z0-9]").ReplaceAllString(containerName, "-")
+ Stdout: logWriter,
+ Stderr: logWriter,
+ })
- prefix := ""
- suffix := ""
- containerName = trimToLen(containerName, 30-(len(prefix)+len(suffix)))
- return fmt.Sprintf("%s%s%s", prefix, containerName, suffix)
+ return c.Create().
+ Then(c.Copy("/github", ghReader)).
+ Then(c.Start()).
+ Finally(c.Remove().IfBool(!rc.Config.ReuseContainers))(ctx)
+ }
}
-func (rc *RunContext) createStepContainerName(stepID string) string {
+*/
- prefix := regexp.MustCompile("[^a-zA-Z0-9]").ReplaceAllString(rc.createContainerName(), "-")
- suffix := regexp.MustCompile("[^a-zA-Z0-9]").ReplaceAllString(stepID, "-")
- prefix = trimToLen(prefix, 30-(1+len(suffix)))
- name := strings.Trim(fmt.Sprintf("%s-%s", prefix, suffix), "-")
- return name
+func createContainerName(parts ...string) string {
+ name := make([]string, 0)
+ pattern := regexp.MustCompile("[^a-zA-Z0-9]")
+ for _, part := range parts {
+ name = append(name, pattern.ReplaceAllString(part, "-"))
+ }
+ return trimToLen(strings.Join(name, "-"), 30)
}
func trimToLen(s string, l int) string {