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[CLI] implement forgejo-cli actions register

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This commit is contained in:
Earl Warren 2023-07-09 19:20:05 +02:00
parent 6f7905c8ec
commit 2f95143000
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GPG key ID: 0579CB2928A78A00
9 changed files with 517 additions and 7 deletions
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130
cmd/forgejo/actions.go
View file

@ -5,7 +5,11 @@ package forgejo
import (
"context"
"encoding/hex"
"fmt"
"io"
"os"
"strings"
actions_model "code.gitea.io/gitea/models/actions"
"code.gitea.io/gitea/modules/private"
@ -21,6 +25,7 @@ func CmdActions(ctx context.Context) cli.Command {
Subcommands: []cli.Command{
SubcmdActionsGenerateRunnerToken(ctx),
SubcmdActionsGenerateRunnerSecret(ctx),
SubcmdActionsRegister(ctx),
},
}
}
@ -48,6 +53,129 @@ func SubcmdActionsGenerateRunnerSecret(ctx context.Context) cli.Command {
}
}
func SubcmdActionsRegister(ctx context.Context) cli.Command {
return cli.Command{
Name: "register",
Usage: "Idempotent registration of a runner using a shared secret",
Action: func(cliCtx *cli.Context) error { return RunRegister(ctx, cliCtx) },
Flags: []cli.Flag{
cli.StringFlag{
Name: "secret",
Usage: "the secret the runner will use to connect as a 40 character hexadecimal string",
},
cli.StringFlag{
Name: "secret-stdin",
Usage: "the secret the runner will use to connect as a 40 character hexadecimal string, read from stdin",
},
cli.StringFlag{
Name: "secret-file",
Usage: "path to the file containing the secret the runner will use to connect as a 40 character hexadecimal string",
},
cli.StringFlag{
Name: "scope, s",
Value: "",
Usage: "{owner}[/{repo}] - leave empty for a global runner",
},
cli.StringFlag{
Name: "labels",
Value: "",
Usage: "comma separated list of labels supported by the runner (e.g. docker,ubuntu-latest,self-hosted) (not required since v1.21)",
},
cli.StringFlag{
Name: "name",
Value: "runner",
Usage: "name of the runner (default runner)",
},
cli.StringFlag{
Name: "version",
Value: "",
Usage: "version of the runner (not required since v1.21)",
},
},
}
}
func readSecret(ctx context.Context, cliCtx *cli.Context) (string, error) {
if cliCtx.IsSet("secret") {
return cliCtx.String("secret"), nil
}
if cliCtx.IsSet("secret-stdin") {
buf, err := io.ReadAll(ContextGetStdin(ctx))
if err != nil {
return "", err
}
return string(buf), nil
}
if cliCtx.IsSet("secret-file") {
path := cliCtx.String("secret-file")
buf, err := os.ReadFile(path)
if err != nil {
return "", err
}
return string(buf), nil
}
return "", fmt.Errorf("at least one of the --secret, --secret-stdin, --secret-file options is required")
}
func validateSecret(secret string) error {
secretLen := len(secret)
if secretLen != 40 {
return fmt.Errorf("the secret must be exactly 40 characters long, not %d: generate-secret can provide a secret matching the requirements", secretLen)
}
if _, err := hex.DecodeString(secret); err != nil {
return fmt.Errorf("the secret must be an hexadecimal string: %w", err)
}
return nil
}
func RunRegister(ctx context.Context, cliCtx *cli.Context) error {
if !ContextGetNoInstallSignals(ctx) {
var cancel context.CancelFunc
ctx, cancel = installSignals(ctx)
defer cancel()
}
setting.MustInstalled()
secret, err := readSecret(ctx, cliCtx)
if err != nil {
return err
}
if err := validateSecret(secret); err != nil {
return err
}
scope := cliCtx.String("scope")
labels := cliCtx.String("labels")
name := cliCtx.String("name")
version := cliCtx.String("version")
//
// There are two kinds of tokens
//
// - "registration token" only used when a runner interacts to
// register
//
// - "token" obtained after a successful registration and stored by
// the runner to authenticate
//
// The register subcommand does not need a "registration token", it
// needs a "token". Using the same name is confusing and secret is
// preferred for this reason in the cli.
//
// The ActionsRunnerRegister argument is token to be consistent with
// the internal naming. It is still confusing to the developer but
// not to the user.
//
respText, extra := private.ActionsRunnerRegister(ctx, secret, scope, strings.Split(labels, ","), name, version)
if extra.HasError() {
return handleCliResponseExtra(ctx, extra)
}
if _, err := fmt.Fprintf(ContextGetStdout(ctx), "%s", respText); err != nil {
panic(err)
}
return nil
}
func RunGenerateSecret(ctx context.Context, cliCtx *cli.Context) error {
setting.MustInstalled()
@ -74,7 +202,7 @@ func RunGenerateActionsRunnerToken(ctx context.Context, cliCtx *cli.Context) err
respText, extra := private.GenerateActionsRunnerToken(ctx, scope)
if extra.HasError() {
return handleCliResponseExtra(extra)
return handleCliResponseExtra(ctx, extra)
}
if _, err := fmt.Fprintf(ContextGetStdout(ctx), "%s", respText); err != nil {
panic(err)

68
models/actions/forgejo.go Normal file
View file

@ -0,0 +1,68 @@
// SPDX-License-Identifier: MIT
package actions
import (
"context"
"encoding/hex"
"fmt"
auth_model "code.gitea.io/gitea/models/auth"
"code.gitea.io/gitea/models/db"
"code.gitea.io/gitea/modules/util"
gouuid "github.com/google/uuid"
)
func RegisterRunner(ctx context.Context, ownerID, repoID int64, token string, labels []string, name, version string) (*ActionRunner, error) {
uuid, err := gouuid.FromBytes([]byte(token[:16]))
if err != nil {
return nil, fmt.Errorf("gouuid.FromBytes %v", err)
}
uuidString := uuid.String()
var runner ActionRunner
has, err := db.GetEngine(ctx).Where("uuid=?", uuidString).Get(&runner)
if err != nil {
return nil, fmt.Errorf("GetRunner %v", err)
} else if !has {
//
// The runner does not exist yet, create it
//
saltBytes, err := util.CryptoRandomBytes(16)
if err != nil {
return nil, fmt.Errorf("CryptoRandomBytes %v", err)
}
salt := hex.EncodeToString(saltBytes)
hash := auth_model.HashToken(token, salt)
runner = ActionRunner{
UUID: uuidString,
TokenHash: hash,
TokenSalt: salt,
}
if err := CreateRunner(ctx, &runner); err != nil {
return &runner, fmt.Errorf("can't create new runner %w", err)
}
}
//
// Update the existing runner
//
name, _ = util.SplitStringAtByteN(name, 255)
runner.Name = name
runner.OwnerID = ownerID
runner.RepoID = repoID
runner.Version = version
runner.AgentLabels = labels
if err := UpdateRunner(ctx, &runner, "name", "owner_id", "repo_id", "version", "agent_labels"); err != nil {
return &runner, fmt.Errorf("can't update the runner %+v %w", runner, err)
}
return &runner, nil
}

29
models/actions/forgejo_test.go Normal file
View file

@ -0,0 +1,29 @@
// SPDX-License-Identifier: MIT
package actions
import (
"crypto/subtle"
"testing"
auth_model "code.gitea.io/gitea/models/auth"
"code.gitea.io/gitea/models/db"
"code.gitea.io/gitea/models/unittest"
"github.com/stretchr/testify/assert"
)
func TestActions_RegisterRunner(t *testing.T) {
assert.NoError(t, unittest.PrepareTestDatabase())
ownerID := int64(0)
repoID := int64(0)
token := "0123456789012345678901234567890123456789"
labels := []string{}
name := "runner"
version := "v1.2.3"
runner, err := RegisterRunner(db.DefaultContext, ownerID, repoID, token, labels, name, version)
assert.NoError(t, err)
assert.EqualValues(t, name, runner.Name)
assert.EqualValues(t, 1, subtle.ConstantTimeCompare([]byte(runner.TokenHash), []byte(auth_model.HashToken(token, runner.TokenSalt))), "the token cannot be verified with the same method as routers/api/actions/runner/interceptor.go as of 8228751c55d6a4263f0fec2932ca16181c09c97d")
}

18
models/actions/main_test.go Normal file
View file

@ -0,0 +1,18 @@
// SPDX-License-Identifier: MIT
package actions_test
import (
"path/filepath"
"testing"
"code.gitea.io/gitea/models/unittest"
_ "code.gitea.io/gitea/models"
)
func TestMain(m *testing.M) {
unittest.MainTest(m, &unittest.TestOptions{
GiteaRootPath: filepath.Join("..", ".."),
})
}

32
modules/private/forgejo_actions.go Normal file
View file

@ -0,0 +1,32 @@
// SPDX-License-Identifier: MIT
package private
import (
"context"
"code.gitea.io/gitea/modules/setting"
)
type ActionsRunnerRegisterRequest struct {
Token string
Scope string
Labels []string
Name string
Version string
}
func ActionsRunnerRegister(ctx context.Context, token, scope string, labels []string, name, version string) (string, ResponseExtra) {
reqURL := setting.LocalURL + "api/internal/actions/register"
req := newInternalRequest(ctx, reqURL, "POST", ActionsRunnerRegisterRequest{
Token: token,
Scope: scope,
Labels: labels,
Name: name,
Version: version,
})
resp, extra := requestJSONResp(req, &responseText{})
return resp.Text, extra
}

48
routers/private/forgejo.go Normal file
View file

@ -0,0 +1,48 @@
// SPDX-License-Identifier: MIT
package private
import (
"fmt"
"net/http"
actions_model "code.gitea.io/gitea/models/actions"
"code.gitea.io/gitea/modules/context"
"code.gitea.io/gitea/modules/json"
"code.gitea.io/gitea/modules/log"
"code.gitea.io/gitea/modules/private"
)
func ActionsRunnerRegister(ctx *context.PrivateContext) {
var registerRequest private.ActionsRunnerRegisterRequest
rd := ctx.Req.Body
defer rd.Close()
if err := json.NewDecoder(rd).Decode(&registerRequest); err != nil {
log.Error("%v", err)
ctx.JSON(http.StatusInternalServerError, private.Response{
Err: err.Error(),
})
return
}
owner, repo, err := parseScope(ctx, registerRequest.Scope)
if err != nil {
log.Error("%v", err)
ctx.JSON(http.StatusInternalServerError, private.Response{
Err: err.Error(),
})
}
runner, err := actions_model.RegisterRunner(ctx, owner, repo, registerRequest.Token, registerRequest.Labels, registerRequest.Name, registerRequest.Version)
if err != nil {
err := fmt.Sprintf("error while registering runner: %v", err)
log.Error("%v", err)
ctx.JSON(http.StatusInternalServerError, private.Response{
Err: err,
})
return
}
ctx.PlainText(http.StatusOK, runner.UUID)
}

1
routers/private/internal.go
View file

@ -56,6 +56,7 @@ func Routes() *web.Route {
// Since internal API will be sent only from Gitea sub commands and it's under control (checked by InternalToken), we can trust the headers.
r.Use(chi_middleware.RealIP)
r.Post("/actions/register", ActionsRunnerRegister)
r.Post("/ssh/authorized_keys", AuthorizedPublicKeyByContent)
r.Post("/ssh/{id}/update/{repoid}", UpdatePublicKeyInRepo)
r.Post("/ssh/log", bind(private.SSHLogOption{}), SSHLog)

196
tests/integration/cmd_forgejo_actions_test.go
View file

@ -3,9 +3,16 @@
package integration
import (
gocontext "context"
"net/url"
"os"
"strings"
"testing"
actions_model "code.gitea.io/gitea/models/actions"
repo_model "code.gitea.io/gitea/models/repo"
"code.gitea.io/gitea/models/unittest"
user_model "code.gitea.io/gitea/models/user"
"code.gitea.io/gitea/modules/setting"
"code.gitea.io/gitea/modules/test"
@ -16,12 +23,191 @@ func Test_CmdForgejo_Actions(t *testing.T) {
onGiteaRun(t, func(*testing.T, *url.URL) {
defer test.MockVariable(&setting.Actions.Enabled, true)()
var output string
token, err := cmdForgejoCaptureOutput(t, []string{"forgejo-cli", "actions", "generate-runner-token"})
assert.NoError(t, err)
assert.EqualValues(t, 40, len(token))
output = cmdForgejoCaptureOutput(t, []string{"forgejo-cli", "actions", "generate-runner-token"})
assert.EqualValues(t, 40, len(output))
secret, err := cmdForgejoCaptureOutput(t, []string{"forgejo-cli", "actions", "generate-secret"})
assert.NoError(t, err)
assert.EqualValues(t, 40, len(secret))
output = cmdForgejoCaptureOutput(t, []string{"forgejo-cli", "actions", "generate-secret"})
assert.EqualValues(t, 40, len(output))
_, err = cmdForgejoCaptureOutput(t, []string{"forgejo-cli", "actions", "register"})
assert.ErrorContains(t, err, "at least one of the --secret")
for _, testCase := range []struct {
testName string
scope string
secret string
errorMessage string
}{
{
testName: "bad user",
scope: "baduser",
secret: "0123456789012345678901234567890123456789",
errorMessage: "user does not exist",
},
{
testName: "bad repo",
scope: "org25/badrepo",
secret: "0123456789012345678901234567890123456789",
errorMessage: "repository does not exist",
},
{
testName: "secret length != 40",
scope: "org25",
secret: "0123456789",
errorMessage: "40 characters long",
},
{
testName: "secret is not a hexadecimal string",
scope: "org25",
secret: "ZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZ",
errorMessage: "must be an hexadecimal string",
},
} {
t.Run(testCase.testName, func(t *testing.T) {
cmd := []string{"forgejo-cli", "actions", "register", "--secret", testCase.secret, "--scope", testCase.scope}
output, err := cmdForgejoCaptureOutput(t, cmd)
assert.ErrorContains(t, err, testCase.errorMessage)
assert.EqualValues(t, "", output)
})
}
secret = "DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD"
expecteduuid := "44444444-4444-4444-4444-444444444444"
for _, testCase := range []struct {
testName string
secretOption func() string
stdin []string
}{
{
testName: "secret from argument",
secretOption: func() string {
return "--secret=" + secret
},
},
{
testName: "secret from stdin",
secretOption: func() string {
return "--secret-stdin"
},
stdin: []string{secret},
},
{
testName: "secret from file",
secretOption: func() string {
secretFile := t.TempDir() + "/secret"
assert.NoError(t, os.WriteFile(secretFile, []byte(secret), 0o644))
return "--secret-file=" + secretFile
},
},
} {
t.Run(testCase.testName, func(t *testing.T) {
cmd := []string{"forgejo-cli", "actions", "register", testCase.secretOption(), "--scope=org26"}
uuid, err := cmdForgejoCaptureOutput(t, cmd, testCase.stdin...)
assert.NoError(t, err)
assert.EqualValues(t, expecteduuid, uuid)
})
}
secret = "0123456789012345678901234567890123456789"
expecteduuid = "30313233-3435-3637-3839-303132333435"
for _, testCase := range []struct {
testName string
scope string
secret string
name string
labels string
version string
uuid string
}{
{
testName: "org",
scope: "org25",
secret: "AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA",
uuid: "41414141-4141-4141-4141-414141414141",
},
{
testName: "user and repo",
scope: "user2/repo2",
secret: "BBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBB",
uuid: "42424242-4242-4242-4242-424242424242",
},
{
testName: "labels",
scope: "org25",
name: "runnerName",
labels: "label1,label2,label3",
version: "v1.2.3",
secret: "CCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCC",
uuid: "43434343-4343-4343-4343-434343434343",
},
{
testName: "insert a runner",
scope: "user3/repo5",
name: "runnerName",
labels: "label1,label2,label3",
version: "v1.2.3",
secret: secret,
uuid: expecteduuid,
},
{
testName: "update an existing runner",
scope: "user5/repo4",
name: "runnerNameChanged",
labels: "label1,label2,label3,more,label",
version: "v1.2.3-suffix",
secret: secret,
uuid: expecteduuid,
},
} {
t.Run(testCase.testName, func(t *testing.T) {
cmd := []string{
"forgejo-cli", "actions", "register",
"--secret", testCase.secret, "--scope", testCase.scope,
}
if testCase.name != "" {
cmd = append(cmd, "--name", testCase.name)
}
if testCase.labels != "" {
cmd = append(cmd, "--labels", testCase.labels)
}
if testCase.version != "" {
cmd = append(cmd, "--version", testCase.version)
}
//
// Run twice to verify it is idempotent
//
for i := 0; i < 2; i++ {
uuid, err := cmdForgejoCaptureOutput(t, cmd)
assert.NoError(t, err)
if assert.EqualValues(t, testCase.uuid, uuid) {
ownerName, repoName, found := strings.Cut(testCase.scope, "/")
action, err := actions_model.GetRunnerByUUID(gocontext.Background(), uuid)
assert.NoError(t, err)
user := unittest.AssertExistsAndLoadBean(t, &user_model.User{ID: action.OwnerID})
assert.Equal(t, ownerName, user.Name, action.OwnerID)
if found {
repo := unittest.AssertExistsAndLoadBean(t, &repo_model.Repository{ID: action.RepoID})
assert.Equal(t, repoName, repo.Name, action.RepoID)
}
if testCase.name != "" {
assert.EqualValues(t, testCase.name, action.Name)
}
if testCase.labels != "" {
labels := strings.Split(testCase.labels, ",")
assert.EqualValues(t, labels, action.AgentLabels)
}
if testCase.version != "" {
assert.EqualValues(t, testCase.version, action.Version)
}
}
}
})
}
})
}

2
tests/integration/cmd_forgejo_test.go
View file

@ -17,7 +17,7 @@ import (
"github.com/urfave/cli"
)
func cmdForgejoCaptureOutput(t *testing.T, args []string) (string, error) {
func cmdForgejoCaptureOutput(t *testing.T, args []string, stdin ...string) (string, error) {
r, w, err := os.Pipe()
assert.NoError(t, err)
set := flag.NewFlagSet("forgejo-cli", 0)