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package backup
import (
"errors"
"io/ioutil"
"os"
"path/filepath"
"testing"
"github.com/stretchr/testify/require"
"gitlab.com/gitlab-org/gitaly/v14/internal/git/gittest"
"gitlab.com/gitlab-org/gitaly/v14/internal/gitaly/service/setup"
"gitlab.com/gitlab-org/gitaly/v14/internal/storage"
"gitlab.com/gitlab-org/gitaly/v14/internal/testhelper"
"gitlab.com/gitlab-org/gitaly/v14/internal/testhelper/testcfg"
"gitlab.com/gitlab-org/gitaly/v14/internal/testhelper/testserver"
"gitlab.com/gitlab-org/gitaly/v14/proto/go/gitalypb"
)
func TestFilesystem_Create(t *testing.T) {
cfg := testcfg.Build(t)
gitalyAddr := testserver.RunGitalyServer(t, cfg, nil, setup.RegisterAll)
path := testhelper.TempDir(t)
hooksRepo, hooksRepoPath, _ := gittest.CloneRepoAtStorage(t, cfg, cfg.Storages[0], "hooks")
require.NoError(t, os.Mkdir(filepath.Join(hooksRepoPath, "custom_hooks"), os.ModePerm))
require.NoError(t, ioutil.WriteFile(filepath.Join(hooksRepoPath, "custom_hooks/pre-commit.sample"), []byte("Some hooks"), os.ModePerm))
noHooksRepo, _, _ := gittest.CloneRepoAtStorage(t, cfg, cfg.Storages[0], "no-hooks")
emptyRepo, _, _ := gittest.InitBareRepoAt(t, cfg, cfg.Storages[0])
nonexistentRepo := *emptyRepo
nonexistentRepo.RelativePath = "nonexistent"
for _, tc := range []struct {
desc string
repo *gitalypb.Repository
createsBundle bool
createsCustomHooks bool
err error
}{
{
desc: "no hooks",
repo: noHooksRepo,
createsBundle: true,
createsCustomHooks: false,
},
{
desc: "hooks",
repo: hooksRepo,
createsBundle: true,
createsCustomHooks: true,
},
{
desc: "empty repo",
repo: emptyRepo,
createsBundle: false,
createsCustomHooks: false,
err: ErrSkipped,
},
{
desc: "nonexistent repo",
repo: &nonexistentRepo,
createsBundle: false,
createsCustomHooks: false,
err: ErrSkipped,
},
} {
t.Run(tc.desc, func(t *testing.T) {
repoPath := filepath.Join(cfg.Storages[0].Path, tc.repo.RelativePath)
bundlePath := filepath.Join(path, tc.repo.RelativePath+".bundle")
customHooksPath := filepath.Join(path, tc.repo.RelativePath, "custom_hooks.tar")
ctx, cancel := testhelper.Context()
defer cancel()
fsBackup := NewFilesystem(path)
err := fsBackup.Create(ctx, &CreateRequest{
Server: storage.ServerInfo{Address: gitalyAddr, Token: cfg.Auth.Token},
Repository: tc.repo,
})
if tc.err == nil {
require.NoError(t, err)
} else {
require.Equal(t, tc.err, err)
}
if tc.createsBundle {
require.FileExists(t, bundlePath)
dirInfo, err := os.Stat(filepath.Dir(bundlePath))
require.NoError(t, err)
require.Equal(t, os.FileMode(0700), dirInfo.Mode().Perm(), "expecting restricted directory permissions")
bundleInfo, err := os.Stat(bundlePath)
require.NoError(t, err)
require.Equal(t, os.FileMode(0600), bundleInfo.Mode().Perm(), "expecting restricted file permissions")
output := gittest.Exec(t, cfg, "-C", repoPath, "bundle", "verify", bundlePath)
require.Contains(t, string(output), "The bundle records a complete history")
} else {
require.NoFileExists(t, bundlePath)
}
if tc.createsCustomHooks {
require.FileExists(t, customHooksPath)
} else {
require.NoFileExists(t, customHooksPath)
}
})
}
}
func TestFilesystem_Restore(t *testing.T) {
cfg := testcfg.Build(t)
testhelper.ConfigureGitalyHooksBin(t, cfg)
gitalyAddr := testserver.RunGitalyServer(t, cfg, nil, setup.RegisterAll)
path := testhelper.TempDir(t)
existingRepo, existRepoPath, _ := gittest.CloneRepoAtStorage(t, cfg, cfg.Storages[0], "existing_repo")
existingRepoPath := filepath.Join(path, existingRepo.RelativePath)
existingRepoBundlePath := existingRepoPath + ".bundle"
existingRepoCustomHooksPath := filepath.Join(existingRepoPath, "custom_hooks.tar")
require.NoError(t, os.MkdirAll(existingRepoPath, os.ModePerm))
gittest.Exec(t, cfg, "-C", existRepoPath, "bundle", "create", existingRepoBundlePath, "--all")
testhelper.CopyFile(t, "../gitaly/service/repository/testdata/custom_hooks.tar", existingRepoCustomHooksPath)
newRepo := gittest.InitRepoDir(t, cfg.Storages[0].Path, "new_repo")
newRepoBundlePath := filepath.Join(path, newRepo.RelativePath+".bundle")
testhelper.CopyFile(t, existingRepoBundlePath, newRepoBundlePath)
missingBundleRepo := gittest.InitRepoDir(t, cfg.Storages[0].Path, "missing_bundle")
missingBundleRepoAlwaysCreate := gittest.InitRepoDir(t, cfg.Storages[0].Path, "missing_bundle_always_create")
for _, tc := range []struct {
desc string
repo *gitalypb.Repository
alwaysCreate bool
expectedPaths []string
expectedErrAs error
expectVerify bool
}{
{
desc: "new repo, without hooks",
repo: newRepo,
expectVerify: true,
},
{
desc: "existing repo, with hooks",
repo: existingRepo,
expectedPaths: []string{
"custom_hooks/pre-commit.sample",
"custom_hooks/prepare-commit-msg.sample",
"custom_hooks/pre-push.sample",
},
expectVerify: true,
},
{
desc: "missing bundle",
repo: missingBundleRepo,
expectedErrAs: ErrSkipped,
},
{
desc: "missing bundle, always create",
repo: missingBundleRepoAlwaysCreate,
alwaysCreate: true,
},
} {
t.Run(tc.desc, func(t *testing.T) {
repoPath := filepath.Join(cfg.Storages[0].Path, tc.repo.RelativePath)
bundlePath := filepath.Join(path, tc.repo.RelativePath+".bundle")
ctx, cancel := testhelper.Context()
defer cancel()
fsBackup := NewFilesystem(path)
err := fsBackup.Restore(ctx, &RestoreRequest{
Server: storage.ServerInfo{Address: gitalyAddr, Token: cfg.Auth.Token},
Repository: tc.repo,
AlwaysCreate: tc.alwaysCreate,
})
if tc.expectedErrAs != nil {
require.True(t, errors.Is(err, tc.expectedErrAs), err.Error())
} else {
require.NoError(t, err)
}
if tc.expectVerify {
output := gittest.Exec(t, cfg, "-C", repoPath, "bundle", "verify", bundlePath)
require.Contains(t, string(output), "The bundle records a complete history")
}
for _, p := range tc.expectedPaths {
require.FileExists(t, filepath.Join(repoPath, p))
}
})
}
}
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