act/pkg/runner/runner.go
hackercat 6c258cf40d
Add option to run custom architecture (container platform) (#525)
* Add QEMU to run different architectures

* Update dependencies in `go.mod`

* Add `--container-architecture` flag to specify custom image architecture

Co-authored-by: Casey Lee <cplee@nektos.com>
2021-03-28 21:08:40 -07:00

102 lines
3.3 KiB
Go

package runner
import (
"context"
"fmt"
"io/ioutil"
"github.com/nektos/act/pkg/common"
"github.com/nektos/act/pkg/model"
log "github.com/sirupsen/logrus"
)
// Runner provides capabilities to run GitHub actions
type Runner interface {
NewPlanExecutor(plan *model.Plan) common.Executor
}
// Config contains the config for a new runner
type Config struct {
Actor string // the user that triggered the event
Workdir string // path to working directory
BindWorkdir bool // bind the workdir to the job container
EventName string // name of event to run
EventPath string // path to JSON file to use for event.json in containers
DefaultBranch string // name of the main branch for this repository
ReuseContainers bool // reuse containers to maintain state
ForcePull bool // force pulling of the image, if already present
LogOutput bool // log the output from docker run
Env map[string]string // env for containers
Secrets map[string]string // list of secrets
InsecureSecrets bool // switch hiding output when printing to terminal
Platforms map[string]string // list of platforms
Privileged bool // use privileged mode
UsernsMode string // user namespace to use
ContainerArchitecture string // Desired OS/architecture platform for running containers
}
type runnerImpl struct {
config *Config
eventJSON string
}
// New Creates a new Runner
func New(runnerConfig *Config) (Runner, error) {
runner := &runnerImpl{
config: runnerConfig,
}
runner.eventJSON = "{}"
if runnerConfig.EventPath != "" {
log.Debugf("Reading event.json from %s", runner.config.EventPath)
eventJSONBytes, err := ioutil.ReadFile(runner.config.EventPath)
if err != nil {
return nil, err
}
runner.eventJSON = string(eventJSONBytes)
}
return runner, nil
}
func (runner *runnerImpl) NewPlanExecutor(plan *model.Plan) common.Executor {
maxJobNameLen := 0
pipeline := make([]common.Executor, 0)
for _, stage := range plan.Stages {
stageExecutor := make([]common.Executor, 0)
for _, run := range stage.Runs {
job := run.Job()
matrixes := job.GetMatrixes()
for i, matrix := range matrixes {
rc := runner.newRunContext(run, matrix)
if len(matrixes) > 1 {
rc.Name = fmt.Sprintf("%s-%d", rc.Name, i+1)
}
if len(rc.String()) > maxJobNameLen {
maxJobNameLen = len(rc.String())
}
stageExecutor = append(stageExecutor, func(ctx context.Context) error {
jobName := fmt.Sprintf("%-*s", maxJobNameLen, rc.String())
return rc.Executor()(WithJobLogger(ctx, jobName, rc.Config.Secrets, rc.Config.InsecureSecrets))
})
}
}
pipeline = append(pipeline, common.NewParallelExecutor(stageExecutor...))
}
return common.NewPipelineExecutor(pipeline...)
}
func (runner *runnerImpl) newRunContext(run *model.Run, matrix map[string]interface{}) *RunContext {
rc := &RunContext{
Config: runner.config,
Run: run,
EventJSON: runner.eventJSON,
StepResults: make(map[string]*stepResult),
Matrix: matrix,
}
rc.ExprEval = rc.NewExpressionEvaluator()
rc.Name = rc.ExprEval.Interpolate(run.String())
return rc
}