mirror of
https://gitea.com/gitea/act_runner.git
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ed35b09b8f
port of https://github.com/nektos/act/pull/1961 closes gitea/act_runner#274 Reviewed-on: https://gitea.com/gitea/act_runner/pulls/341 Reviewed-by: Jason Song <i@wolfogre.com> Co-authored-by: TheFox0x7 <thefox0x7@gmail.com> Co-committed-by: TheFox0x7 <thefox0x7@gmail.com>
196 lines
5.6 KiB
Go
196 lines
5.6 KiB
Go
// Copyright 2022 The Gitea Authors. All rights reserved.
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// SPDX-License-Identifier: MIT
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package cmd
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import (
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"context"
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"fmt"
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"os"
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"path"
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"path/filepath"
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"runtime"
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"strconv"
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"strings"
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"github.com/bufbuild/connect-go"
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"github.com/mattn/go-isatty"
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log "github.com/sirupsen/logrus"
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"github.com/spf13/cobra"
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"gitea.com/gitea/act_runner/internal/app/poll"
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"gitea.com/gitea/act_runner/internal/app/run"
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"gitea.com/gitea/act_runner/internal/pkg/client"
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"gitea.com/gitea/act_runner/internal/pkg/config"
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"gitea.com/gitea/act_runner/internal/pkg/envcheck"
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"gitea.com/gitea/act_runner/internal/pkg/labels"
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"gitea.com/gitea/act_runner/internal/pkg/ver"
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)
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func runDaemon(ctx context.Context, configFile *string) func(cmd *cobra.Command, args []string) error {
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return func(cmd *cobra.Command, args []string) error {
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cfg, err := config.LoadDefault(*configFile)
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if err != nil {
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return fmt.Errorf("invalid configuration: %w", err)
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}
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initLogging(cfg)
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log.Infoln("Starting runner daemon")
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reg, err := config.LoadRegistration(cfg.Runner.File)
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if os.IsNotExist(err) {
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log.Error("registration file not found, please register the runner first")
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return err
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} else if err != nil {
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return fmt.Errorf("failed to load registration file: %w", err)
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}
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lbls := reg.Labels
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if len(cfg.Runner.Labels) > 0 {
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lbls = cfg.Runner.Labels
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}
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ls := labels.Labels{}
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for _, l := range lbls {
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label, err := labels.Parse(l)
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if err != nil {
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log.WithError(err).Warnf("ignored invalid label %q", l)
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continue
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}
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ls = append(ls, label)
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}
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if len(ls) == 0 {
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log.Warn("no labels configured, runner may not be able to pick up jobs")
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}
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if ls.RequireDocker() {
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dockerSocketPath, err := getDockerSocketPath(cfg.Container.DockerHost)
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if err != nil {
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return err
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}
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if err := envcheck.CheckIfDockerRunning(ctx, dockerSocketPath); err != nil {
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return err
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}
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// if dockerSocketPath passes the check, override DOCKER_HOST with dockerSocketPath
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os.Setenv("DOCKER_HOST", dockerSocketPath)
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// empty cfg.Container.DockerHost means act_runner need to find an available docker host automatically
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// and assign the path to cfg.Container.DockerHost
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if cfg.Container.DockerHost == "" {
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cfg.Container.DockerHost = dockerSocketPath
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}
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// check the scheme, if the scheme is not npipe or unix
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// set cfg.Container.DockerHost to "-" because it can't be mounted to the job container
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if protoIndex := strings.Index(cfg.Container.DockerHost, "://"); protoIndex != -1 {
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scheme := cfg.Container.DockerHost[:protoIndex]
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if !strings.EqualFold(scheme, "npipe") && !strings.EqualFold(scheme, "unix") {
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cfg.Container.DockerHost = "-"
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}
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}
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}
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cli := client.New(
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reg.Address,
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cfg.Runner.Insecure,
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reg.UUID,
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reg.Token,
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ver.Version(),
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)
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runner := run.NewRunner(cfg, reg, cli)
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// declare the labels of the runner before fetching tasks
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resp, err := runner.Declare(ctx, ls.Names())
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if err != nil && connect.CodeOf(err) == connect.CodeUnimplemented {
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// Gitea instance is older version. skip declare step.
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log.Warn("Because the Gitea instance is an old version, skip declare labels and version.")
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} else if err != nil {
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log.WithError(err).Error("fail to invoke Declare")
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return err
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} else {
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log.Infof("runner: %s, with version: %s, with labels: %v, declare successfully",
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resp.Msg.Runner.Name, resp.Msg.Runner.Version, resp.Msg.Runner.Labels)
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// if declare successfully, override the labels in the.runner file with valid labels in the config file (if specified)
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reg.Labels = ls.ToStrings()
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if err := config.SaveRegistration(cfg.Runner.File, reg); err != nil {
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return fmt.Errorf("failed to save runner config: %w", err)
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}
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}
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poller := poll.New(cfg, cli, runner)
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poller.Poll(ctx)
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return nil
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}
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}
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// initLogging setup the global logrus logger.
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func initLogging(cfg *config.Config) {
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isTerm := isatty.IsTerminal(os.Stdout.Fd())
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format := &log.TextFormatter{
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DisableColors: !isTerm,
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FullTimestamp: true,
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}
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log.SetFormatter(format)
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if l := cfg.Log.Level; l != "" {
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level, err := log.ParseLevel(l)
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if err != nil {
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log.WithError(err).
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Errorf("invalid log level: %q", l)
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}
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// debug level
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if level == log.DebugLevel {
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log.SetReportCaller(true)
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format.CallerPrettyfier = func(f *runtime.Frame) (string, string) {
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// get function name
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s := strings.Split(f.Function, ".")
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funcname := "[" + s[len(s)-1] + "]"
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// get file name and line number
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_, filename := path.Split(f.File)
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filename = "[" + filename + ":" + strconv.Itoa(f.Line) + "]"
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return funcname, filename
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}
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log.SetFormatter(format)
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}
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if log.GetLevel() != level {
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log.Infof("log level changed to %v", level)
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log.SetLevel(level)
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}
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}
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}
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var commonSocketPaths = []string{
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"/var/run/docker.sock",
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"/run/podman/podman.sock",
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"$HOME/.colima/docker.sock",
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"$XDG_RUNTIME_DIR/docker.sock",
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"$XDG_RUNTIME_DIR/podman/podman.sock",
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`\\.\pipe\docker_engine`,
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"$HOME/.docker/run/docker.sock",
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}
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func getDockerSocketPath(configDockerHost string) (string, error) {
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// a `-` means don't mount the docker socket to job containers
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if configDockerHost != "" && configDockerHost != "-" {
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return configDockerHost, nil
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}
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socket, found := os.LookupEnv("DOCKER_HOST")
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if found {
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return socket, nil
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}
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for _, p := range commonSocketPaths {
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if _, err := os.Lstat(os.ExpandEnv(p)); err == nil {
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if strings.HasPrefix(p, `\\.\`) {
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return "npipe://" + filepath.ToSlash(os.ExpandEnv(p)), nil
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}
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return "unix://" + filepath.ToSlash(os.ExpandEnv(p)), nil
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}
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}
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return "", fmt.Errorf("daemon Docker Engine socket not found and docker_host config was invalid")
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}
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