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package runner
import (
"context"
"fmt"
"strings"
"github.com/kballard/go-shellquote"
"github.com/nektos/act/pkg/common"
"github.com/nektos/act/pkg/container"
"github.com/nektos/act/pkg/model"
)
type stepDocker struct {
Step *model.Step
RunContext *RunContext
env map[string]string
}
func (sd *stepDocker) pre() common.Executor {
return func(ctx context.Context) error {
return nil
}
}
func (sd *stepDocker) main() common.Executor {
sd.env = map[string]string{}
return runStepExecutor(sd, stepStageMain, sd.runUsesContainer())
}
func (sd *stepDocker) post() common.Executor {
return func(ctx context.Context) error {
return nil
}
}
func (sd *stepDocker) getRunContext() *RunContext {
return sd.RunContext
}
func (sd *stepDocker) getGithubContext(ctx context.Context) *model.GithubContext {
return sd.getRunContext().getGithubContext(ctx)
}
func (sd *stepDocker) getStepModel() *model.Step {
return sd.Step
}
func (sd *stepDocker) getEnv() *map[string]string {
return &sd.env
}
func (sd *stepDocker) getIfExpression(_ context.Context, _ stepStage) string {
return sd.Step.If.Value
}
func (sd *stepDocker) runUsesContainer() common.Executor {
rc := sd.RunContext
step := sd.Step
return func(ctx context.Context) error {
image := strings.TrimPrefix(step.Uses, "docker://")
eval := rc.NewExpressionEvaluator(ctx)
cmd, err := shellquote.Split(eval.Interpolate(ctx, step.With["args"]))
if err != nil {
return err
}
var entrypoint []string
if entry := eval.Interpolate(ctx, step.With["entrypoint"]); entry != "" {
entrypoint = []string{entry}
}
stepContainer := sd.newStepContainer(ctx, image, cmd, entrypoint)
return common.NewPipelineExecutor(
stepContainer.Pull(rc.Config.ForcePull),
stepContainer.Remove().IfBool(!rc.Config.ReuseContainers),
stepContainer.Create(rc.Config.ContainerCapAdd, rc.Config.ContainerCapDrop),
stepContainer.Start(true),
).Finally(
stepContainer.Remove().IfBool(!rc.Config.ReuseContainers),
).Finally(stepContainer.Close())(ctx)
}
}
var (
ContainerNewContainer = container.NewContainer
)
func (sd *stepDocker) newStepContainer(ctx context.Context, image string, cmd []string, entrypoint []string) container.Container {
rc := sd.RunContext
step := sd.Step
rawLogger := common.Logger(ctx).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
})
envList := make([]string, 0)
for k, v := range sd.env {
envList = append(envList, fmt.Sprintf("%s=%s", k, v))
}
envList = append(envList, fmt.Sprintf("%s=%s", "RUNNER_TOOL_CACHE", "/opt/hostedtoolcache"))
envList = append(envList, fmt.Sprintf("%s=%s", "RUNNER_OS", "Linux"))
envList = append(envList, fmt.Sprintf("%s=%s", "RUNNER_ARCH", container.RunnerArch(ctx)))
envList = append(envList, fmt.Sprintf("%s=%s", "RUNNER_TEMP", "/tmp"))
binds, mounts := rc.GetBindsAndMounts()
stepContainer := ContainerNewContainer(&container.NewContainerInput{
Cmd: cmd,
Entrypoint: entrypoint,
WorkingDir: rc.JobContainer.ToContainerPath(rc.Config.Workdir),
Image: image,
Username: rc.Config.Secrets["DOCKER_USERNAME"],
Password: rc.Config.Secrets["DOCKER_PASSWORD"],
Name: createSimpleContainerName(rc.jobContainerName(), "STEP-"+step.ID),
Env: envList,
Mounts: mounts,
NetworkMode: fmt.Sprintf("container:%s", rc.jobContainerName()),
Binds: binds,
Stdout: logWriter,
Stderr: logWriter,
Privileged: rc.Config.Privileged,
UsernsMode: rc.Config.UsernsMode,
Platform: rc.Config.ContainerArchitecture,
AutoRemove: rc.Config.AutoRemove,
ValidVolumes: rc.Config.ValidVolumes,
})
return stepContainer
}
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