act_runner/internal/app/cmd/exec.go

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// Copyright 2023 The Gitea Authors. All rights reserved.
// Copyright 2019 nektos
// SPDX-License-Identifier: MIT
package cmd
import (
"context"
"fmt"
"os"
"path/filepath"
"strconv"
"strings"
"time"
"github.com/joho/godotenv"
"github.com/nektos/act/pkg/artifactcache"
"github.com/nektos/act/pkg/artifacts"
"github.com/nektos/act/pkg/common"
"github.com/nektos/act/pkg/model"
"github.com/nektos/act/pkg/runner"
log "github.com/sirupsen/logrus"
"github.com/spf13/cobra"
"golang.org/x/term"
)
type executeArgs struct {
runList bool
job string
event string
workdir string
workflowsPath string
noWorkflowRecurse bool
autodetectEvent bool
forcePull bool
forceRebuild bool
jsonLogger bool
envs []string
envfile string
secrets []string
defaultActionsUrl string
insecureSecrets bool
privileged bool
usernsMode string
containerArchitecture string
containerDaemonSocket string
useGitIgnore bool
containerCapAdd []string
containerCapDrop []string
containerOptions string
artifactServerPath string
artifactServerAddr string
artifactServerPort string
noSkipCheckout bool
debug bool
dryrun bool
image string
cacheHandler *artifactcache.Handler
}
// WorkflowsPath returns path to workflow file(s)
func (i *executeArgs) WorkflowsPath() string {
return i.resolve(i.workflowsPath)
}
// Envfile returns path to .env
func (i *executeArgs) Envfile() string {
return i.resolve(i.envfile)
}
func (i *executeArgs) LoadSecrets() map[string]string {
s := make(map[string]string)
for _, secretPair := range i.secrets {
secretPairParts := strings.SplitN(secretPair, "=", 2)
secretPairParts[0] = strings.ToUpper(secretPairParts[0])
if strings.ToUpper(s[secretPairParts[0]]) == secretPairParts[0] {
log.Errorf("Secret %s is already defined (secrets are case insensitive)", secretPairParts[0])
}
if len(secretPairParts) == 2 {
s[secretPairParts[0]] = secretPairParts[1]
} else if env, ok := os.LookupEnv(secretPairParts[0]); ok && env != "" {
s[secretPairParts[0]] = env
} else {
fmt.Printf("Provide value for '%s': ", secretPairParts[0])
val, err := term.ReadPassword(int(os.Stdin.Fd()))
fmt.Println()
if err != nil {
log.Errorf("failed to read input: %v", err)
os.Exit(1)
}
s[secretPairParts[0]] = string(val)
}
}
return s
}
func readEnvs(path string, envs map[string]string) bool {
if _, err := os.Stat(path); err == nil {
env, err := godotenv.Read(path)
if err != nil {
log.Fatalf("Error loading from %s: %v", path, err)
}
for k, v := range env {
envs[k] = v
}
return true
}
return false
}
func (i *executeArgs) LoadEnvs() map[string]string {
envs := make(map[string]string)
if i.envs != nil {
for _, envVar := range i.envs {
e := strings.SplitN(envVar, `=`, 2)
if len(e) == 2 {
envs[e[0]] = e[1]
} else {
envs[e[0]] = ""
}
}
}
_ = readEnvs(i.Envfile(), envs)
envs["ACTIONS_CACHE_URL"] = i.cacheHandler.ExternalURL() + "/"
return envs
}
// Workdir returns path to workdir
func (i *executeArgs) Workdir() string {
return i.resolve(".")
}
func (i *executeArgs) resolve(path string) string {
basedir, err := filepath.Abs(i.workdir)
if err != nil {
log.Fatal(err)
}
if path == "" {
return path
}
if !filepath.IsAbs(path) {
path = filepath.Join(basedir, path)
}
return path
}
func printList(plan *model.Plan) error {
type lineInfoDef struct {
jobID string
jobName string
stage string
wfName string
wfFile string
events string
}
lineInfos := []lineInfoDef{}
header := lineInfoDef{
jobID: "Job ID",
jobName: "Job name",
stage: "Stage",
wfName: "Workflow name",
wfFile: "Workflow file",
events: "Events",
}
jobs := map[string]bool{}
duplicateJobIDs := false
jobIDMaxWidth := len(header.jobID)
jobNameMaxWidth := len(header.jobName)
stageMaxWidth := len(header.stage)
wfNameMaxWidth := len(header.wfName)
wfFileMaxWidth := len(header.wfFile)
eventsMaxWidth := len(header.events)
for i, stage := range plan.Stages {
for _, r := range stage.Runs {
jobID := r.JobID
line := lineInfoDef{
jobID: jobID,
jobName: r.String(),
stage: strconv.Itoa(i),
wfName: r.Workflow.Name,
wfFile: r.Workflow.File,
events: strings.Join(r.Workflow.On(), `,`),
}
if _, ok := jobs[jobID]; ok {
duplicateJobIDs = true
} else {
jobs[jobID] = true
}
lineInfos = append(lineInfos, line)
if jobIDMaxWidth < len(line.jobID) {
jobIDMaxWidth = len(line.jobID)
}
if jobNameMaxWidth < len(line.jobName) {
jobNameMaxWidth = len(line.jobName)
}
if stageMaxWidth < len(line.stage) {
stageMaxWidth = len(line.stage)
}
if wfNameMaxWidth < len(line.wfName) {
wfNameMaxWidth = len(line.wfName)
}
if wfFileMaxWidth < len(line.wfFile) {
wfFileMaxWidth = len(line.wfFile)
}
if eventsMaxWidth < len(line.events) {
eventsMaxWidth = len(line.events)
}
}
}
jobIDMaxWidth += 2
jobNameMaxWidth += 2
stageMaxWidth += 2
wfNameMaxWidth += 2
wfFileMaxWidth += 2
fmt.Printf("%*s%*s%*s%*s%*s%*s\n",
-stageMaxWidth, header.stage,
-jobIDMaxWidth, header.jobID,
-jobNameMaxWidth, header.jobName,
-wfNameMaxWidth, header.wfName,
-wfFileMaxWidth, header.wfFile,
-eventsMaxWidth, header.events,
)
for _, line := range lineInfos {
fmt.Printf("%*s%*s%*s%*s%*s%*s\n",
-stageMaxWidth, line.stage,
-jobIDMaxWidth, line.jobID,
-jobNameMaxWidth, line.jobName,
-wfNameMaxWidth, line.wfName,
-wfFileMaxWidth, line.wfFile,
-eventsMaxWidth, line.events,
)
}
if duplicateJobIDs {
fmt.Print("\nDetected multiple jobs with the same job name, use `-W` to specify the path to the specific workflow.\n")
}
return nil
}
func runExecList(ctx context.Context, planner model.WorkflowPlanner, execArgs *executeArgs) error {
// plan with filtered jobs - to be used for filtering only
var filterPlan *model.Plan
// Determine the event name to be filtered
var filterEventName string = ""
if len(execArgs.event) > 0 {
log.Infof("Using chosed event for filtering: %s", execArgs.event)
filterEventName = execArgs.event
} else if execArgs.autodetectEvent {
// collect all events from loaded workflows
events := planner.GetEvents()
// set default event type to first event from many available
// this way user dont have to specify the event.
log.Infof("Using first detected workflow event for filtering: %s", events[0])
filterEventName = events[0]
}
var err error
if execArgs.job != "" {
log.Infof("Preparing plan with a job: %s", execArgs.job)
filterPlan, err = planner.PlanJob(execArgs.job)
if err != nil {
return err
}
} else if filterEventName != "" {
log.Infof("Preparing plan for a event: %s", filterEventName)
filterPlan, err = planner.PlanEvent(filterEventName)
if err != nil {
return err
}
} else {
log.Infof("Preparing plan with all jobs")
filterPlan, err = planner.PlanAll()
if err != nil {
return err
}
}
printList(filterPlan)
return nil
}
func runExec(ctx context.Context, execArgs *executeArgs) func(cmd *cobra.Command, args []string) error {
return func(cmd *cobra.Command, args []string) error {
planner, err := model.NewWorkflowPlanner(execArgs.WorkflowsPath(), execArgs.noWorkflowRecurse)
if err != nil {
return err
}
if execArgs.runList {
return runExecList(ctx, planner, execArgs)
}
// plan with triggered jobs
var plan *model.Plan
// Determine the event name to be triggered
var eventName string
// collect all events from loaded workflows
events := planner.GetEvents()
if len(execArgs.event) > 0 {
log.Infof("Using chosed event for filtering: %s", execArgs.event)
eventName = execArgs.event
} else if len(events) == 1 && len(events[0]) > 0 {
log.Infof("Using the only detected workflow event: %s", events[0])
eventName = events[0]
} else if execArgs.autodetectEvent && len(events) > 0 && len(events[0]) > 0 {
// set default event type to first event from many available
// this way user dont have to specify the event.
log.Infof("Using first detected workflow event: %s", events[0])
eventName = events[0]
} else {
log.Infof("Using default workflow event: push")
eventName = "push"
}
// build the plan for this run
if execArgs.job != "" {
log.Infof("Planning job: %s", execArgs.job)
plan, err = planner.PlanJob(execArgs.job)
if err != nil {
return err
}
} else {
log.Infof("Planning jobs for event: %s", eventName)
plan, err = planner.PlanEvent(eventName)
if err != nil {
return err
}
}
maxLifetime := 3 * time.Hour
if deadline, ok := ctx.Deadline(); ok {
maxLifetime = time.Until(deadline)
}
// init a cache server
handler, err := artifactcache.StartHandler("", "", 0, log.StandardLogger().WithField("module", "cache_request"))
if err != nil {
return err
}
log.Infof("cache handler listens on: %v", handler.ExternalURL())
execArgs.cacheHandler = handler
// run the plan
config := &runner.Config{
Workdir: execArgs.Workdir(),
BindWorkdir: false,
ReuseContainers: false,
ForcePull: execArgs.forcePull,
ForceRebuild: execArgs.forceRebuild,
LogOutput: true,
JSONLogger: execArgs.jsonLogger,
Env: execArgs.LoadEnvs(),
Secrets: execArgs.LoadSecrets(),
InsecureSecrets: execArgs.insecureSecrets,
Privileged: execArgs.privileged,
UsernsMode: execArgs.usernsMode,
ContainerArchitecture: execArgs.containerArchitecture,
ContainerDaemonSocket: execArgs.containerDaemonSocket,
UseGitIgnore: execArgs.useGitIgnore,
// GitHubInstance: t.client.Address(),
ContainerCapAdd: execArgs.containerCapAdd,
ContainerCapDrop: execArgs.containerCapDrop,
ContainerOptions: execArgs.containerOptions,
AutoRemove: true,
ArtifactServerPath: execArgs.artifactServerPath,
ArtifactServerPort: execArgs.artifactServerPort,
NoSkipCheckout: execArgs.noSkipCheckout,
// PresetGitHubContext: preset,
// EventJSON: string(eventJSON),
ContainerNamePrefix: fmt.Sprintf("GITEA-ACTIONS-TASK-%s", eventName),
ContainerMaxLifetime: maxLifetime,
ContainerNetworkMode: "bridge",
DefaultActionInstance: execArgs.defaultActionsUrl,
PlatformPicker: func(_ []string) string {
return execArgs.image
},
}
if !execArgs.debug {
logLevel := log.Level(log.InfoLevel)
config.JobLoggerLevel = &logLevel
}
r, err := runner.New(config)
if err != nil {
return err
}
if len(execArgs.artifactServerPath) == 0 {
tempDir, err := os.MkdirTemp("", "gitea-act-")
if err != nil {
fmt.Println(err)
}
defer os.RemoveAll(tempDir)
execArgs.artifactServerPath = tempDir
}
artifactCancel := artifacts.Serve(ctx, execArgs.artifactServerPath, execArgs.artifactServerAddr, execArgs.artifactServerPort)
log.Debugf("artifacts server started at %s:%s", execArgs.artifactServerPath, execArgs.artifactServerPort)
ctx = common.WithDryrun(ctx, execArgs.dryrun)
executor := r.NewPlanExecutor(plan).Finally(func(ctx context.Context) error {
artifactCancel()
return nil
})
return executor(ctx)
}
}
func loadExecCmd(ctx context.Context) *cobra.Command {
execArg := executeArgs{}
execCmd := &cobra.Command{
Use: "exec",
Short: "Run workflow locally.",
Args: cobra.MaximumNArgs(20),
RunE: runExec(ctx, &execArg),
}
execCmd.Flags().BoolVarP(&execArg.runList, "list", "l", false, "list workflows")
execCmd.Flags().StringVarP(&execArg.job, "job", "j", "", "run a specific job ID")
execCmd.Flags().StringVarP(&execArg.event, "event", "E", "", "run a event name")
execCmd.PersistentFlags().StringVarP(&execArg.workflowsPath, "workflows", "W", "./.gitea/workflows/", "path to workflow file(s)")
execCmd.PersistentFlags().StringVarP(&execArg.workdir, "directory", "C", ".", "working directory")
execCmd.PersistentFlags().BoolVarP(&execArg.noWorkflowRecurse, "no-recurse", "", false, "Flag to disable running workflows from subdirectories of specified path in '--workflows'/'-W' flag")
execCmd.Flags().BoolVarP(&execArg.autodetectEvent, "detect-event", "", false, "Use first event type from workflow as event that triggered the workflow")
execCmd.Flags().BoolVarP(&execArg.forcePull, "pull", "p", false, "pull docker image(s) even if already present")
execCmd.Flags().BoolVarP(&execArg.forceRebuild, "rebuild", "", false, "rebuild local action docker image(s) even if already present")
execCmd.PersistentFlags().BoolVar(&execArg.jsonLogger, "json", false, "Output logs in json format")
execCmd.Flags().StringArrayVarP(&execArg.envs, "env", "", []string{}, "env to make available to actions with optional value (e.g. --env myenv=foo or --env myenv)")
execCmd.PersistentFlags().StringVarP(&execArg.envfile, "env-file", "", ".env", "environment file to read and use as env in the containers")
execCmd.Flags().StringArrayVarP(&execArg.secrets, "secret", "s", []string{}, "secret to make available to actions with optional value (e.g. -s mysecret=foo or -s mysecret)")
execCmd.PersistentFlags().BoolVarP(&execArg.insecureSecrets, "insecure-secrets", "", false, "NOT RECOMMENDED! Doesn't hide secrets while printing logs.")
execCmd.Flags().BoolVar(&execArg.privileged, "privileged", false, "use privileged mode")
execCmd.Flags().StringVar(&execArg.usernsMode, "userns", "", "user namespace to use")
execCmd.PersistentFlags().StringVarP(&execArg.containerArchitecture, "container-architecture", "", "", "Architecture which should be used to run containers, e.g.: linux/amd64. If not specified, will use host default architecture. Requires Docker server API Version 1.41+. Ignored on earlier Docker server platforms.")
execCmd.PersistentFlags().StringVarP(&execArg.containerDaemonSocket, "container-daemon-socket", "", "/var/run/docker.sock", "Path to Docker daemon socket which will be mounted to containers")
execCmd.Flags().BoolVar(&execArg.useGitIgnore, "use-gitignore", true, "Controls whether paths specified in .gitignore should be copied into container")
execCmd.Flags().StringArrayVarP(&execArg.containerCapAdd, "container-cap-add", "", []string{}, "kernel capabilities to add to the workflow containers (e.g. --container-cap-add SYS_PTRACE)")
execCmd.Flags().StringArrayVarP(&execArg.containerCapDrop, "container-cap-drop", "", []string{}, "kernel capabilities to remove from the workflow containers (e.g. --container-cap-drop SYS_PTRACE)")
execCmd.Flags().StringVarP(&execArg.containerOptions, "container-opts", "", "", "container options")
execCmd.PersistentFlags().StringVarP(&execArg.artifactServerPath, "artifact-server-path", "", ".", "Defines the path where the artifact server stores uploads and retrieves downloads from. If not specified the artifact server will not start.")
execCmd.PersistentFlags().StringVarP(&execArg.artifactServerPort, "artifact-server-port", "", "34567", "Defines the port where the artifact server listens (will only bind to localhost).")
execCmd.PersistentFlags().StringVarP(&execArg.defaultActionsUrl, "default-actions-url", "", "https://gitea.com", "Defines the default url of action instance.")
execCmd.PersistentFlags().BoolVarP(&execArg.noSkipCheckout, "no-skip-checkout", "", false, "Do not skip actions/checkout")
execCmd.PersistentFlags().BoolVarP(&execArg.debug, "debug", "d", false, "enable debug log")
execCmd.PersistentFlags().BoolVarP(&execArg.dryrun, "dryrun", "n", false, "dryrun mode")
execCmd.PersistentFlags().StringVarP(&execArg.image, "image", "i", "node:16-bullseye", "docker image to use")
return execCmd
}