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holder_test.go
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holder_test.go
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// Copyright 2017 Pilosa Corp.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package pilosa_test
import (
"bytes"
"context"
"os"
"path/filepath"
"reflect"
"strings"
"testing"
"time"
"github.com/pilosa/pilosa/v2"
"github.com/pilosa/pilosa/v2/test"
)
func TestHolder_Open(t *testing.T) {
t.Run("ErrIndexName", func(t *testing.T) {
h := test.MustOpenHolder()
bufLogger := test.NewBufferLogger()
h.Holder.Logger = bufLogger
defer h.Close()
if err := os.Mkdir(h.IndexPath("!"), 0777); err != nil {
t.Fatal(err)
} else if err := h.Holder.Close(); err != nil {
t.Fatal(err)
}
if err := h.Reopen(); err != nil {
t.Fatal(err)
}
if bufbytes, err := bufLogger.ReadAll(); err != nil {
t.Fatal(err)
} else if !bytes.Contains(bufbytes, []byte("ERROR opening index: !")) {
t.Fatalf("expected log error:\n%s", bufbytes)
}
})
t.Run("ErrIndexPermission", func(t *testing.T) {
if os.Geteuid() == 0 {
t.Skip("Skipping permissions test since user is root.")
}
h := test.MustOpenHolder()
defer h.Close()
if _, err := h.CreateIndex("test", pilosa.IndexOptions{}); err != nil {
t.Fatal(err)
} else if err := h.Holder.Close(); err != nil {
t.Fatal(err)
} else if err := os.Chmod(h.IndexPath("test"), 0000); err != nil {
t.Fatal(err)
}
defer func() {
_ = os.Chmod(h.IndexPath("test"), 0755)
}()
if err := h.Reopen(); err == nil || !strings.Contains(err.Error(), "permission denied") {
t.Fatalf("unexpected error: %s", err)
}
})
t.Run("ErrIndexAttrStoreCorrupt", func(t *testing.T) {
h := test.MustOpenHolder()
defer h.Close()
if _, err := h.CreateIndex("test", pilosa.IndexOptions{}); err != nil {
t.Fatal(err)
} else if err := h.Holder.Close(); err != nil {
t.Fatal(err)
} else if err := os.Truncate(filepath.Join(h.IndexPath("test"), ".data"), 2); err != nil {
t.Fatal(err)
}
if err := h.Reopen(); err == nil || !strings.Contains(err.Error(), "open index: name=test, err=opening attrstore: opening storage: invalid database") {
t.Fatalf("unexpected error: %s", err)
}
})
t.Run("ErrFieldPermission", func(t *testing.T) {
if os.Geteuid() == 0 {
t.Skip("Skipping permissions test since user is root.")
}
h := test.MustOpenHolder()
defer h.Close()
if idx, err := h.CreateIndex("foo", pilosa.IndexOptions{}); err != nil {
t.Fatal(err)
} else if _, err := idx.CreateField("bar", pilosa.OptFieldTypeDefault()); err != nil {
t.Fatal(err)
} else if err := h.Holder.Close(); err != nil {
t.Fatal(err)
} else if err := os.Chmod(filepath.Join(h.Path, "foo", "bar"), 0000); err != nil {
t.Fatal(err)
}
defer func() {
_ = os.Chmod(filepath.Join(h.Path, "foo", "bar"), 0755)
}()
if err := h.Reopen(); err == nil || !strings.Contains(err.Error(), "permission denied") {
t.Fatalf("unexpected error: %s", err)
}
})
t.Run("ErrFieldOptionsCorrupt", func(t *testing.T) {
h := test.MustOpenHolder()
defer h.Close()
if idx, err := h.CreateIndex("foo", pilosa.IndexOptions{}); err != nil {
t.Fatal(err)
} else if _, err := idx.CreateField("bar", pilosa.OptFieldTypeDefault()); err != nil {
t.Fatal(err)
} else if err := h.Holder.Close(); err != nil {
t.Fatal(err)
} else if err := os.Truncate(filepath.Join(h.Path, "foo", "bar", ".meta"), 2); err != nil {
t.Fatal(err)
}
if err := h.Reopen(); err == nil || !strings.Contains(err.Error(), "open index: name=foo, err=opening fields: open field: name=bar, err=loading meta: unmarshaling: unexpected EOF") {
t.Fatalf("unexpected error: %s", err)
}
})
t.Run("ErrFieldAttrStoreCorrupt", func(t *testing.T) {
h := test.MustOpenHolder()
defer h.Close()
if idx, err := h.CreateIndex("foo", pilosa.IndexOptions{}); err != nil {
t.Fatal(err)
} else if _, err := idx.CreateField("bar", pilosa.OptFieldTypeDefault()); err != nil {
t.Fatal(err)
} else if err := h.Holder.Close(); err != nil {
t.Fatal(err)
} else if err := os.Truncate(filepath.Join(h.Path, "foo", "bar", ".data"), 2); err != nil {
t.Fatal(err)
}
if err := h.Reopen(); err == nil || !strings.Contains(err.Error(), "open index: name=foo, err=opening fields: open field: name=bar, err=opening attrstore: opening storage: invalid database") {
t.Fatalf("unexpected error: %s", err)
}
})
t.Run("ErrFragmentStoragePermission", func(t *testing.T) {
if os.Geteuid() == 0 {
t.Skip("Skipping permissions test since user is root.")
}
h := test.MustOpenHolder()
defer h.Close()
if idx, err := h.CreateIndex("foo", pilosa.IndexOptions{}); err != nil {
t.Fatal(err)
} else if field, err := idx.CreateField("bar", pilosa.OptFieldTypeDefault()); err != nil {
t.Fatal(err)
} else if _, err := field.SetBit(0, 0, nil); err != nil {
t.Fatal(err)
} else if err := h.Holder.Close(); err != nil {
t.Fatal(err)
} else if err := os.Chmod(filepath.Join(h.Path, "foo", "bar", "views", "standard", "fragments", "0"), 0000); err != nil {
t.Fatal(err)
}
defer func() {
_ = os.Chmod(filepath.Join(h.Path, "foo", "bar", "views", "standard", "fragments", "0"), 0644)
}()
if err := h.Reopen(); err == nil || !strings.Contains(err.Error(), "permission denied") {
t.Fatalf("unexpected error: %s", err)
}
})
t.Run("ErrFragmentStorageCorrupt", func(t *testing.T) {
h := test.MustOpenHolder()
defer h.Close()
if idx, err := h.CreateIndex("foo", pilosa.IndexOptions{}); err != nil {
t.Fatal(err)
} else if field, err := idx.CreateField("bar", pilosa.OptFieldTypeDefault()); err != nil {
t.Fatal(err)
} else if _, err := field.SetBit(0, 0, nil); err != nil {
t.Fatal(err)
} else if err := h.Holder.Close(); err != nil {
t.Fatal(err)
} else if err := os.Truncate(filepath.Join(h.Path, "foo", "bar", "views", "standard", "fragments", "0"), 2); err != nil {
t.Fatal(err)
}
if err := h.Reopen(); err == nil || !strings.Contains(err.Error(), "open fragment: shard=0, err=opening storage: unmarshal storage") {
t.Fatalf("unexpected error: %s", err)
}
})
// Try to re-create existing index
t.Run("CreateIndexIfNotExists", func(t *testing.T) {
h := test.MustOpenHolder()
defer h.Close()
idx1, err := h.CreateIndexIfNotExists("aaa", pilosa.IndexOptions{})
if err != nil {
t.Fatal(err)
}
if _, err = h.CreateIndex("aaa", pilosa.IndexOptions{}); err == nil {
t.Fatalf("expected: ConflictError, got: nil")
} else if _, ok := err.(pilosa.ConflictError); !ok {
t.Fatalf("expected: ConflictError, got: %s", err)
}
idx2, err := h.CreateIndexIfNotExists("aaa", pilosa.IndexOptions{})
if err != nil {
t.Fatal(err)
}
if idx1 != idx2 {
t.Fatalf("expected the same indexes, got: %s and %s", idx1.Name(), idx2.Name())
}
})
}
func TestHolder_HasData(t *testing.T) {
t.Run("IndexDirectory", func(t *testing.T) {
h := test.MustOpenHolder()
defer h.Close()
if ok, err := h.HasData(); ok || err != nil {
t.Fatal("expected HasData to return false, no err, but", ok, err)
}
if _, err := h.CreateIndex("test", pilosa.IndexOptions{}); err != nil {
t.Fatal(err)
}
if ok, err := h.HasData(); !ok || err != nil {
t.Fatal("expected HasData to return true, but ", ok, err)
}
})
t.Run("Peek", func(t *testing.T) {
h := test.NewHolder()
if ok, err := h.HasData(); ok || err != nil {
t.Fatal("expected HasData to return false, no err, but", ok, err)
}
// Create an index directory to indicate data exists.
if err := os.Mkdir(h.IndexPath("test"), 0777); err != nil {
t.Fatal(err)
}
if ok, err := h.HasData(); !ok || err != nil {
t.Fatal("expected HasData to return true, no err, but", ok, err)
}
})
t.Run("Peek at missing directory", func(t *testing.T) {
h := test.NewHolder()
// Ensure that hasData is false when dir doesn't exist.
h.Path = "bad-path"
if ok, err := h.HasData(); ok || err != nil {
t.Fatal("expected HasData to return false, no err, but", ok, err)
}
})
}
// Ensure holder can delete an index and its underlying files.
func TestHolder_DeleteIndex(t *testing.T) {
hldr := test.MustOpenHolder()
defer hldr.Close()
// Write bits to separate indexes.
hldr.SetBit("i0", "f", 100, 200)
hldr.SetBit("i1", "f", 100, 200)
// Ensure i0 exists.
if _, err := os.Stat(hldr.IndexPath("i0")); err != nil {
t.Fatal(err)
}
// Delete i0.
if err := hldr.DeleteIndex("i0"); err != nil {
t.Fatal(err)
}
// Ensure i0 files are removed & i1 still exists.
if _, err := os.Stat(hldr.IndexPath("i0")); !os.IsNotExist(err) {
t.Fatal("expected i0 file deletion")
} else if _, err := os.Stat(hldr.IndexPath("i1")); err != nil {
t.Fatal("expected i1 files to still exist", err)
}
}
// Ensure holder can sync with a remote holder.
func TestHolderSyncer_SyncHolder(t *testing.T) {
c := test.MustNewCluster(t, 2)
c[0].Config.Cluster.ReplicaN = 2
c[0].Config.AntiEntropy.Interval = 0
c[1].Config.Cluster.ReplicaN = 2
c[1].Config.AntiEntropy.Interval = 0
err := c.Start()
if err != nil {
t.Fatalf("starting cluster: %v", err)
}
defer c.Close()
_, err = c[0].API.CreateIndex(context.Background(), "i", pilosa.IndexOptions{})
if err != nil {
t.Fatalf("creating index i: %v", err)
}
_, err = c[0].API.CreateIndex(context.Background(), "y", pilosa.IndexOptions{})
if err != nil {
t.Fatalf("creating index y: %v", err)
}
_, err = c[0].API.CreateField(context.Background(), "i", "f", pilosa.OptFieldTypeSet(pilosa.DefaultCacheType, pilosa.DefaultCacheSize))
if err != nil {
t.Fatalf("creating field f: %v", err)
}
_, err = c[0].API.CreateField(context.Background(), "i", "f0", pilosa.OptFieldTypeSet(pilosa.DefaultCacheType, pilosa.DefaultCacheSize))
if err != nil {
t.Fatalf("creating field f0: %v", err)
}
_, err = c[0].API.CreateField(context.Background(), "y", "z", pilosa.OptFieldTypeSet(pilosa.DefaultCacheType, pilosa.DefaultCacheSize))
if err != nil {
t.Fatalf("creating field z in y: %v", err)
}
hldr0 := &test.Holder{Holder: c[0].Server.Holder()}
hldr1 := &test.Holder{Holder: c[1].Server.Holder()}
// Set data on the local holder.
hldr0.SetBit("i", "f", 0, 10)
hldr0.SetBit("i", "f", 2, 20)
hldr0.SetBit("i", "f", 120, 10)
hldr0.SetBit("i", "f", 200, 4)
hldr0.SetBit("i", "f0", 9, ShardWidth+5)
// Set a bit to create the fragment.
hldr0.SetBit("y", "z", 0, 0)
// Set data on the remote holder.
hldr1.SetBit("i", "f", 0, 4000)
hldr1.SetBit("i", "f", 3, 10)
hldr1.SetBit("i", "f", 120, 10)
hldr1.SetBit("y", "z", 10, (3*ShardWidth)+4)
hldr1.SetBit("y", "z", 10, (3*ShardWidth)+5)
hldr1.SetBit("y", "z", 10, (3*ShardWidth)+7)
err = c[0].Server.SyncData()
if err != nil {
t.Fatalf("syncing node 0: %v", err)
}
err = c[1].Server.SyncData()
if err != nil {
t.Fatalf("syncing node 1: %v", err)
}
// Verify data is the same on both nodes.
for i, hldr := range []*test.Holder{hldr0, hldr1} {
if a := hldr.Row("i", "f", 0).Columns(); !reflect.DeepEqual(a, []uint64{10, 4000}) {
t.Errorf("unexpected columns(%d/0): %+v", i, a)
}
if a := hldr.Row("i", "f", 2).Columns(); !reflect.DeepEqual(a, []uint64{20}) {
t.Errorf("unexpected columns(%d/2): %+v", i, a)
}
if a := hldr.Row("i", "f", 3).Columns(); !reflect.DeepEqual(a, []uint64{10}) {
t.Errorf("unexpected columns(%d/3): %+v", i, a)
}
if a := hldr.Row("i", "f", 120).Columns(); !reflect.DeepEqual(a, []uint64{10}) {
t.Errorf("unexpected columns(%d/120): %+v", i, a)
}
if a := hldr.Row("i", "f", 200).Columns(); !reflect.DeepEqual(a, []uint64{4}) {
t.Errorf("unexpected columns(%d/200): %+v", i, a)
}
if a := hldr.Row("i", "f0", 9).Columns(); !reflect.DeepEqual(a, []uint64{ShardWidth + 5}) {
t.Errorf("unexpected columns(%d/d/f0): %+v", i, a)
}
if a := hldr.Row("y", "z", 10).Columns(); !reflect.DeepEqual(a, []uint64{(3 * ShardWidth) + 4, (3 * ShardWidth) + 5, (3 * ShardWidth) + 7}) {
t.Errorf("unexpected columns(%d/y/z): %+v", i, a)
}
}
}
// Ensure holder can sync with a remote holder and respects
// the row boundaries of the block.
func TestHolderSyncer_BlockIteratorLimits(t *testing.T) {
c := test.MustNewCluster(t, 3)
c[0].Config.Cluster.ReplicaN = 3
c[0].Config.AntiEntropy.Interval = 0
c[1].Config.Cluster.ReplicaN = 3
c[1].Config.AntiEntropy.Interval = 0
err := c.Start()
if err != nil {
t.Fatalf("starting cluster: %v", err)
}
defer c.Close()
_, err = c[0].API.CreateIndex(context.Background(), "i", pilosa.IndexOptions{})
if err != nil {
t.Fatalf("creating index i: %v", err)
}
_, err = c[0].API.CreateField(context.Background(), "i", "f", pilosa.OptFieldTypeSet(pilosa.DefaultCacheType, pilosa.DefaultCacheSize))
if err != nil {
t.Fatalf("creating field f: %v", err)
}
blockEdge := uint64(pilosa.HashBlockSize)
hldr0 := &test.Holder{Holder: c[0].Server.Holder()}
hldr1 := &test.Holder{Holder: c[1].Server.Holder()}
hldr2 := &test.Holder{Holder: c[2].Server.Holder()}
// Set data on the local holder.
hldr0.SetBit("i", "f", blockEdge-1, 10)
hldr0.SetBit("i", "f", blockEdge, 20)
// Set the same data on one of the replicas
// so that we have a quorum.
hldr1.SetBit("i", "f", blockEdge-1, 10)
hldr1.SetBit("i", "f", blockEdge, 20)
// Leave the third replica empty to force a block merge.
//
err = c[0].Server.SyncData()
if err != nil {
t.Fatalf("syncing node 0: %v", err)
}
// Verify data is the same on all nodes.
for i, hldr := range []*test.Holder{hldr0, hldr1, hldr2} {
if a := hldr.Row("i", "f", blockEdge-1).Columns(); !reflect.DeepEqual(a, []uint64{10}) {
t.Errorf("unexpected columns(%d/block 0): %+v", i, a)
}
if a := hldr.Row("i", "f", blockEdge).Columns(); !reflect.DeepEqual(a, []uint64{20}) {
t.Errorf("unexpected columns(%d/block 1): %+v", i, a)
}
}
}
// Ensure holder correctly handles clears during block sync.
func TestHolderSyncer_Clears(t *testing.T) {
c := test.MustNewCluster(t, 3)
c[0].Config.Cluster.ReplicaN = 3
c[0].Config.AntiEntropy.Interval = 0
c[1].Config.Cluster.ReplicaN = 3
c[1].Config.AntiEntropy.Interval = 0
err := c.Start()
if err != nil {
t.Fatalf("starting cluster: %v", err)
}
defer c.Close()
_, err = c[0].API.CreateIndex(context.Background(), "i", pilosa.IndexOptions{})
if err != nil {
t.Fatalf("creating index i: %v", err)
}
_, err = c[0].API.CreateField(context.Background(), "i", "f", pilosa.OptFieldTypeSet(pilosa.DefaultCacheType, pilosa.DefaultCacheSize))
if err != nil {
t.Fatalf("creating field f: %v", err)
}
hldr0 := &test.Holder{Holder: c[0].Server.Holder()}
hldr1 := &test.Holder{Holder: c[1].Server.Holder()}
hldr2 := &test.Holder{Holder: c[2].Server.Holder()}
// Set data on the local holder that should be cleared
// because it's the only instance of this value.
hldr0.SetBit("i", "f", 0, 30)
// Set similar data on the replicas, but
// different from what's on local. This should end
// up being set on all replicas
hldr1.SetBit("i", "f", 0, 20)
hldr2.SetBit("i", "f", 0, 20)
err = c[0].Server.SyncData()
if err != nil {
t.Fatalf("syncing node 0: %v", err)
}
// Verify data is the same on all nodes.
for i, hldr := range []*test.Holder{hldr0, hldr1, hldr2} {
if a := hldr.Row("i", "f", 0).Columns(); !reflect.DeepEqual(a, []uint64{20}) {
t.Errorf("unexpected columns(%d): %+v", i, a)
}
}
}
// Ensure holder can sync time quantum views with a remote holder.
func TestHolderSyncer_TimeQuantum(t *testing.T) {
c := test.MustNewCluster(t, 2)
c[0].Config.Cluster.ReplicaN = 2
c[0].Config.AntiEntropy.Interval = 0
c[1].Config.Cluster.ReplicaN = 2
c[1].Config.AntiEntropy.Interval = 0
err := c.Start()
if err != nil {
t.Fatalf("starting cluster: %v", err)
}
defer c.Close()
quantum := "D"
_, err = c[0].API.CreateIndex(context.Background(), "i", pilosa.IndexOptions{})
if err != nil {
t.Fatalf("creating index i: %v", err)
}
_, err = c[0].API.CreateField(context.Background(), "i", "f", pilosa.OptFieldTypeTime(pilosa.TimeQuantum(quantum)))
if err != nil {
t.Fatalf("creating field f: %v", err)
}
hldr0 := &test.Holder{Holder: c[0].Server.Holder()}
hldr1 := &test.Holder{Holder: c[1].Server.Holder()}
// Set data on the local holder for node0.
t1 := time.Date(2018, 8, 1, 12, 30, 0, 0, time.UTC)
t2 := time.Date(2018, 8, 2, 12, 30, 0, 0, time.UTC)
hldr0.SetBitTime("i", "f", 0, 1, &t1)
hldr0.SetBitTime("i", "f", 0, 2, &t2)
// Set data on node1.
hldr1.SetBitTime("i", "f", 0, 22, &t2)
err = c[0].Server.SyncData()
if err != nil {
t.Fatalf("syncing node 0: %v", err)
}
// Verify data is the same on both nodes.
for i, hldr := range []*test.Holder{hldr0, hldr1} {
if a := hldr.RowTime("i", "f", 0, t1, quantum).Columns(); !reflect.DeepEqual(a, []uint64{1}) {
t.Errorf("unexpected columns(%d/0): %+v", i, a)
}
if a := hldr.RowTime("i", "f", 0, t2, quantum).Columns(); !reflect.DeepEqual(a, []uint64{2, 22}) {
t.Errorf("unexpected columns(%d/0): %+v", i, a)
}
}
}