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// SPDX-License-Identifier: MIT
package cmd
import (
"context"
"encoding/hex"
"fmt"
"os"
pingv1 "code.gitea.io/actions-proto-go/ping/v1"
"connectrpc.com/connect"
gouuid "github.com/google/uuid"
log "github.com/sirupsen/logrus"
"github.com/spf13/cobra"
"gitea.com/gitea/act_runner/internal/app/run"
"gitea.com/gitea/act_runner/internal/pkg/client"
"gitea.com/gitea/act_runner/internal/pkg/config"
"gitea.com/gitea/act_runner/internal/pkg/ver"
)
type createRunnerFileArgs struct {
Connect bool
InstanceAddr string
Secret string
Name string
}
func createRunnerFileCmd(ctx context.Context, configFile *string) *cobra.Command {
var argsVar createRunnerFileArgs
cmd := &cobra.Command{
Use: "create-runner-file",
Short: "Create a runner file using a shared secret used to pre-register the runner on the Forgejo instance",
Args: cobra.MaximumNArgs(0),
RunE: runCreateRunnerFile(ctx, &argsVar, configFile),
}
cmd.Flags().BoolVar(&argsVar.Connect, "connect", false, "tries to connect to the instance using the secret (Forgejo v1.21 instance or greater)")
cmd.Flags().StringVar(&argsVar.InstanceAddr, "instance", "", "Forgejo instance address")
cmd.MarkFlagRequired("instance")
cmd.Flags().StringVar(&argsVar.Secret, "secret", "", "secret shared with the Forgejo instance via forgejo-cli actions register")
cmd.MarkFlagRequired("secret")
cmd.Flags().StringVar(&argsVar.Name, "name", "", "Runner name")
return cmd
}
// must be exactly the same as fogejo/models/actions/forgejo.go
func uuidFromSecret(secret string) (string, error) {
uuid, err := gouuid.FromBytes([]byte(secret[:16]))
if err != nil {
return "", fmt.Errorf("gouuid.FromBytes %v", err)
}
return uuid.String(), nil
}
// should be exactly the same as forgejo/cmd/forgejo/actions.go
func validateSecret(secret string) error {
secretLen := len(secret)
if secretLen != 40 {
return fmt.Errorf("the secret must be exactly 40 characters long, not %d", secretLen)
}
if _, err := hex.DecodeString(secret); err != nil {
return fmt.Errorf("the secret must be an hexadecimal string: %w", err)
}
return nil
}
func ping(cfg *config.Config, reg *config.Registration) error {
// initial http client
cli := client.New(
reg.Address,
cfg.Runner.Insecure,
"",
"",
ver.Version(),
)
_, err := cli.Ping(context.Background(), connect.NewRequest(&pingv1.PingRequest{
Data: reg.UUID,
}))
if err != nil {
return fmt.Errorf("ping %s failed %w", reg.Address, err)
}
return nil
}
func runCreateRunnerFile(ctx context.Context, args *createRunnerFileArgs, configFile *string) func(cmd *cobra.Command, args []string) error {
return func(*cobra.Command, []string) error {
log.SetLevel(log.DebugLevel)
log.Info("Creating runner file")
//
// Prepare the registration data
//
cfg, err := config.LoadDefault(*configFile)
if err != nil {
return fmt.Errorf("invalid configuration: %w", err)
}
if err := validateSecret(args.Secret); err != nil {
return err
}
uuid, err := uuidFromSecret(args.Secret)
if err != nil {
return err
}
name := args.Name
if name == "" {
name, _ = os.Hostname()
log.Infof("Runner name is empty, use hostname '%s'.", name)
}
reg := &config.Registration{
Name: name,
UUID: uuid,
Token: args.Secret,
Address: args.InstanceAddr,
}
//
// Verify the Forgejo instance is reachable
//
if err := ping(cfg, reg); err != nil {
return err
}
//
// Save the registration file
//
if err := config.SaveRegistration(cfg.Runner.File, reg); err != nil {
return fmt.Errorf("failed to save runner config to %s: %w", cfg.Runner.File, err)
}
//
// Verify the secret works
//
if args.Connect {
cli := client.New(
reg.Address,
cfg.Runner.Insecure,
reg.UUID,
reg.Token,
ver.Version(),
)
runner := run.NewRunner(cfg, reg, cli)
resp, err := runner.Declare(ctx, cfg.Runner.Labels)
if err != nil && connect.CodeOf(err) == connect.CodeUnimplemented {
log.Warn("Cannot verify the connection because the Forgejo instance is lower than v1.21")
} else if err != nil {
log.WithError(err).Error("fail to invoke Declare")
return err
} else {
log.Infof("connection successful: %s, with version: %s, with labels: %v",
resp.Msg.Runner.Name, resp.Msg.Runner.Version, resp.Msg.Runner.Labels)
}
}
return nil
}
}
|
