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package objectpool
import (
"os"
"path/filepath"
"strings"
"testing"
"github.com/stretchr/testify/require"
"gitlab.com/gitlab-org/gitaly/v14/internal/backchannel"
"gitlab.com/gitlab-org/gitaly/v14/internal/git/gittest"
"gitlab.com/gitlab-org/gitaly/v14/internal/git/localrepo"
"gitlab.com/gitlab-org/gitaly/v14/internal/gitaly/transaction"
"gitlab.com/gitlab-org/gitaly/v14/internal/testhelper"
"gitlab.com/gitlab-org/gitaly/v14/internal/transaction/txinfo"
"google.golang.org/grpc/peer"
)
func TestLink(t *testing.T) {
ctx := testhelper.Context(t)
cfg, pool, repoProto := setupObjectPool(t, ctx)
repo := localrepo.NewTestRepo(t, cfg, repoProto)
require.NoError(t, pool.Remove(ctx), "make sure pool does not exist prior to creation")
require.NoError(t, pool.Create(ctx, repo), "create pool")
altPath, err := repo.InfoAlternatesPath()
require.NoError(t, err)
require.NoFileExists(t, altPath)
require.NoError(t, pool.Link(ctx, repo))
require.FileExists(t, altPath, "alternates file must exist after Link")
content := testhelper.MustReadFile(t, altPath)
require.True(t, strings.HasPrefix(string(content), "../"), "expected %q to be relative path", content)
require.NoError(t, pool.Link(ctx, repo))
newContent := testhelper.MustReadFile(t, altPath)
require.Equal(t, content, newContent)
require.False(t, gittest.RemoteExists(t, cfg, pool.FullPath(), repoProto.GetGlRepository()), "pool remotes should not include %v", repo)
}
func TestLink_transactional(t *testing.T) {
t.Parallel()
ctx := testhelper.Context(t)
cfg, pool, poolMemberProto := setupObjectPool(t, ctx)
poolMember := localrepo.NewTestRepo(t, cfg, poolMemberProto)
require.NoError(t, pool.Create(ctx, poolMember))
txManager := transaction.NewTrackingManager()
pool.txManager = txManager
alternatesPath, err := poolMember.InfoAlternatesPath()
require.NoError(t, err)
require.NoFileExists(t, alternatesPath)
ctx, err = txinfo.InjectTransaction(ctx, 1, "node", true)
require.NoError(t, err)
ctx = peer.NewContext(ctx, &peer.Peer{
AuthInfo: backchannel.WithID(nil, 1234),
})
require.NoError(t, pool.Link(ctx, poolMember))
require.Equal(t, 2, len(txManager.Votes()))
}
func TestLinkRemoveBitmap(t *testing.T) {
ctx := testhelper.Context(t)
cfg, pool, repoProto := setupObjectPool(t, ctx)
repo := localrepo.NewTestRepo(t, cfg, repoProto)
require.NoError(t, pool.Init(ctx))
testRepoPath := filepath.Join(cfg.Storages[0].Path, repo.GetRelativePath())
poolPath := pool.FullPath()
gittest.Exec(t, cfg, "-C", poolPath, "fetch", testRepoPath, "+refs/*:refs/*")
gittest.Exec(t, cfg, "-C", poolPath, "repack", "-adb")
require.Len(t, listBitmaps(t, pool.FullPath()), 1, "pool bitmaps before")
gittest.Exec(t, cfg, "-C", testRepoPath, "repack", "-adb")
require.Len(t, listBitmaps(t, testRepoPath), 1, "member bitmaps before")
refsBefore := gittest.Exec(t, cfg, "-C", testRepoPath, "for-each-ref")
require.NoError(t, pool.Link(ctx, repo))
require.Len(t, listBitmaps(t, pool.FullPath()), 1, "pool bitmaps after")
require.Len(t, listBitmaps(t, testRepoPath), 0, "member bitmaps after")
gittest.Exec(t, cfg, "-C", testRepoPath, "fsck")
refsAfter := gittest.Exec(t, cfg, "-C", testRepoPath, "for-each-ref")
require.Equal(t, refsBefore, refsAfter, "compare member refs before/after link")
}
func listBitmaps(t *testing.T, repoPath string) []string {
entries, err := os.ReadDir(filepath.Join(repoPath, "objects/pack"))
require.NoError(t, err)
var bitmaps []string
for _, entry := range entries {
if strings.HasSuffix(entry.Name(), ".bitmap") {
bitmaps = append(bitmaps, entry.Name())
}
}
return bitmaps
}
func TestLinkAbsoluteLinkExists(t *testing.T) {
ctx := testhelper.Context(t)
cfg, pool, repoProto := setupObjectPool(t, ctx)
repo := localrepo.NewTestRepo(t, cfg, repoProto)
testRepoPath := filepath.Join(cfg.Storages[0].Path, repo.GetRelativePath())
require.NoError(t, pool.Remove(ctx), "make sure pool does not exist prior to creation")
require.NoError(t, pool.Create(ctx, repo), "create pool")
altPath, err := repo.InfoAlternatesPath()
require.NoError(t, err)
fullPath := filepath.Join(pool.FullPath(), "objects")
require.NoError(t, os.WriteFile(altPath, []byte(fullPath), 0o644))
require.NoError(t, pool.Link(ctx, repo), "we expect this call to change the absolute link to a relative link")
require.FileExists(t, altPath, "alternates file must exist after Link")
content := testhelper.MustReadFile(t, altPath)
require.False(t, filepath.IsAbs(string(content)), "expected %q to be relative path", content)
testRepoObjectsPath := filepath.Join(testRepoPath, "objects")
require.Equal(t, fullPath, filepath.Join(testRepoObjectsPath, string(content)), "the content of the alternates file should be the relative version of the absolute pat")
require.True(t, gittest.RemoteExists(t, cfg, pool.FullPath(), "origin"), "pool remotes should include %v", repo)
}
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