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batch.go
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batch.go
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/*
* Copyright (c) 2019-2021. Abstrium SAS <team (at) pydio.com>
* This file is part of Pydio Cells.
*
* Pydio Cells is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Pydio Cells is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with Pydio Cells. If not, see <http://www.gnu.org/licenses/>.
*
* The latest code can be found at <https://pydio.com>.
*/
package dao
import (
"compress/gzip"
"context"
"fmt"
"io"
"path/filepath"
"slices"
"strings"
"sync"
"time"
"go.uber.org/zap"
"github.com/pydio/cells/v4/common"
"github.com/pydio/cells/v4/common/auth"
"github.com/pydio/cells/v4/common/auth/claim"
"github.com/pydio/cells/v4/common/dao"
"github.com/pydio/cells/v4/common/log"
"github.com/pydio/cells/v4/common/nodes"
"github.com/pydio/cells/v4/common/nodes/compose"
"github.com/pydio/cells/v4/common/nodes/meta"
"github.com/pydio/cells/v4/common/nodes/models"
"github.com/pydio/cells/v4/common/proto/tree"
"github.com/pydio/cells/v4/common/runtime"
"github.com/pydio/cells/v4/common/utils/configx"
)
// Batch avoids overflowing bleve index by batching indexation events (index/delete)
type Batch struct {
sync.Mutex
inserts map[string]*tree.IndexableNode
deletes map[string]struct{}
nsProvider *meta.NsProvider
options BatchOptions
ctx context.Context
uuidRouter nodes.Handler
stdRouter nodes.Handler
}
type BatchOptions struct {
config configx.Values
//IndexContent bool
}
func NewBatch(ctx context.Context, nsProvider *meta.NsProvider, options BatchOptions) *Batch {
b := &Batch{
options: options,
inserts: make(map[string]*tree.IndexableNode),
deletes: make(map[string]struct{}),
nsProvider: nsProvider,
}
b.ctx = b.createBackgroundContext(ctx)
return b
}
func (b *Batch) Index(i *tree.IndexableNode) {
b.Lock()
b.inserts[i.GetUuid()] = i
delete(b.deletes, i.GetUuid())
b.Unlock()
}
func (b *Batch) Delete(uuid string) {
b.Lock()
b.deletes[uuid] = struct{}{}
delete(b.inserts, uuid)
b.Unlock()
}
func (b *Batch) Size() int {
b.Lock()
l := len(b.inserts) + len(b.deletes)
b.Unlock()
return l
}
func (b *Batch) Flush(indexer dao.IndexDAO) error {
b.Lock()
l := len(b.inserts) + len(b.deletes)
if l == 0 {
b.Unlock()
return nil
}
log.Logger(b.ctx).Info("Flushing search batch", zap.Int("size", l))
excludes := b.nsProvider.ExcludeIndexes()
var nodes []*tree.IndexableNode
b.nsProvider.InitStreamers(b.ctx)
for uuid, node := range b.inserts {
if e := b.LoadIndexableNode(node, excludes); e == nil {
nodes = append(nodes, node)
}
delete(b.inserts, uuid)
}
b.nsProvider.CloseStreamers()
for _, n := range nodes {
if er := indexer.InsertOne(nil, n); er != nil {
fmt.Println("Search batch - InsertOne error", er.Error())
}
}
for uuid := range b.deletes {
if er := indexer.DeleteOne(nil, uuid); er != nil {
fmt.Println("Search batch - DeleteOne error", er.Error())
}
delete(b.deletes, uuid)
}
b.Unlock()
return indexer.Flush(b.ctx)
}
func (b *Batch) LoadIndexableNode(indexNode *tree.IndexableNode, excludes map[string]struct{}) error {
if indexNode.ReloadCore {
if resp, e := b.getUuidRouter().ReadNode(b.ctx, &tree.ReadNodeRequest{Node: &indexNode.Node}); e != nil {
return e
} else {
rNode := resp.Node
if indexNode.MetaStore != nil {
for k, v := range indexNode.MetaStore {
rNode.MetaStore[k] = v
}
}
indexNode.Node = *rNode
}
} else if indexNode.ReloadNs {
if resp, e := b.nsProvider.ReadNode(&indexNode.Node); e != nil {
return e
} else {
indexNode.Node = *resp
}
}
indexNode.Meta = indexNode.AllMetaDeserialized(excludes)
indexNode.ModifTime = time.Unix(indexNode.MTime, 0)
var basename string
indexNode.GetMeta(common.MetaNamespaceNodeName, &basename)
indexNode.Basename = basename
if indexNode.Type == 1 {
indexNode.NodeType = "file"
indexNode.Extension = strings.ToLower(strings.TrimLeft(filepath.Ext(basename), "."))
} else {
indexNode.NodeType = "folder"
}
indexNode.GetMeta(common.MetaNamespaceGeoLocation, &indexNode.GeoPoint)
if indexNode.GeoPoint != nil {
lat, ok1 := indexNode.GeoPoint["lat"].(float64)
lon, ok2 := indexNode.GeoPoint["lon"].(float64)
if ok1 && ok2 {
indexNode.GeoJson = &tree.GeoJson{Type: "Point", Coordinates: []float64{lon, lat}}
}
}
// Index Contents?
if b.options.config.Val("indexContent").Bool() && indexNode.IsLeaf() {
cRef := b.options.config.Val("contentRef").Default("pydio:ContentRef").String()
exts := strings.Split(strings.TrimSpace(b.options.config.Val("plainTextExtensions").String()), ",")
legacyContentRef := "ContentRef"
ref := indexNode.GetStringMeta(legacyContentRef)
if pr := indexNode.GetStringMeta(cRef); pr != "" {
ref = pr
}
if ref != "" {
delete(indexNode.Meta, legacyContentRef)
delete(indexNode.Meta, cRef)
if reader, e := b.getStdRouter().GetObject(b.ctx, &tree.Node{Path: ref}, &models.GetRequestData{Length: -1}); e == nil {
if strings.HasSuffix(ref, ".gz") {
// Content is gzip-compressed
if gR, e := gzip.NewReader(reader); e == nil {
if contents, e := io.ReadAll(gR); e == nil {
indexNode.TextContent = string(contents)
}
_ = gR.Close()
}
} else if contents, e := io.ReadAll(reader); e == nil {
indexNode.TextContent = string(contents)
}
_ = reader.Close()
}
} else if slices.ContainsFunc(exts, func(s string) bool {
return strings.ToLower(strings.TrimSpace(s)) == indexNode.Extension
}) {
if reader, e := b.getStdRouter().GetObject(b.ctx, &tree.Node{Path: indexNode.GetPath()}, &models.GetRequestData{Length: -1}); e == nil {
if contents, er := io.ReadAll(reader); er == nil {
indexNode.TextContent = string(contents)
}
_ = reader.Close()
}
}
}
indexNode.MetaStore = nil
return nil
}
func (b *Batch) createBackgroundContext(parent context.Context) context.Context {
ctx := auth.ContextFromClaims(context.Background(), claim.Claims{
Name: common.PydioSystemUsername,
Profile: common.PydioProfileAdmin,
GroupPath: "/",
})
return runtime.ForkContext(ctx, parent)
}
func (b *Batch) getUuidRouter() nodes.Handler {
if b.uuidRouter == nil {
b.uuidRouter = compose.UuidClient(b.ctx, nodes.AsAdmin())
}
return b.uuidRouter
}
func (b *Batch) getStdRouter() nodes.Handler {
if b.stdRouter == nil {
b.stdRouter = compose.PathClientAdmin(b.ctx)
}
return b.stdRouter
}