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collection.go
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collection.go
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package mongodb
import (
"context"
"os"
"reflect"
"runtime"
"time"
"github.com/abulo/ratel/v3/core/logger"
"github.com/abulo/ratel/v3/core/metric"
"github.com/abulo/ratel/v3/core/resource"
"github.com/abulo/ratel/v3/core/trace"
"github.com/opentracing/opentracing-go"
"github.com/opentracing/opentracing-go/ext"
"github.com/opentracing/opentracing-go/log"
"github.com/pkg/errors"
"github.com/spf13/cast"
"go.mongodb.org/mongo-driver/bson"
"go.mongodb.org/mongo-driver/bson/primitive"
"go.mongodb.org/mongo-driver/mongo"
"go.mongodb.org/mongo-driver/mongo/options"
"go.mongodb.org/mongo-driver/x/mongo/driver/session"
)
type (
DecoratedCollection struct {
*mongo.Collection
// db string
// name string
brk resource.Breaker
DisableMetric bool // 关闭指标采集
DisableTrace bool // 关闭链路追踪
filter bson.D
limit int64
skip int64
sort bson.D
fields bson.M
}
index struct {
Key bson.D
Name string
}
)
func newCollection(collection *mongo.Collection, brk resource.Breaker, DisableMetric, DisableTrace bool) *DecoratedCollection {
return &DecoratedCollection{
Collection: collection,
// name: c.Name(),
// db: c.Database().Name(),
brk: brk,
DisableMetric: DisableMetric,
DisableTrace: DisableTrace,
filter: make(bson.D, 0),
sort: make(bson.D, 0),
}
}
// Where 条件查询, bson.M{"field": "value"}
func (c *DecoratedCollection) Where(m bson.D) *DecoratedCollection {
c.filter = m
return c
}
// Limit 限制条数
func (c *DecoratedCollection) Limit(n int64) *DecoratedCollection {
c.limit = n
return c
}
// Skip 跳过条数
func (c *DecoratedCollection) Skip(n int64) *DecoratedCollection {
c.skip = n
return c
}
// Sort 排序 bson.M{"created_at":-1}
func (c *DecoratedCollection) Sort(sorts bson.D) *DecoratedCollection {
c.sort = sorts
return c
}
// Fields 指定查询字段
func (c *DecoratedCollection) Fields(fields bson.M) *DecoratedCollection {
c.fields = fields
return c
}
func (c *DecoratedCollection) reset() {
c.filter = nil
c.limit = 0
c.skip = 0
c.sort = nil
c.fields = nil
}
func getCtx(ctx context.Context) context.Context {
if ctx == nil || ctx.Err() != nil {
ctx = context.TODO()
}
return ctx
}
// CreateIndex CreateOneIndex 创建单个普通索引
func (c *DecoratedCollection) CreateIndex(ctx context.Context, key bson.D, op *options.IndexOptions) (res string, err error) {
start := time.Now()
ctx = getCtx(ctx)
err = c.brk.DoWithAcceptable(func() error {
if !c.DisableTrace {
call := Caller(6)
if parentSpan := trace.SpanFromContext(ctx); parentSpan != nil {
parentCtx := parentSpan.Context()
span := opentracing.StartSpan("mongodb", opentracing.ChildOf(parentCtx))
ext.SpanKindRPCClient.Set(span)
hostName, err := os.Hostname()
if err != nil {
hostName = "unknown"
}
ext.PeerHostname.Set(span, hostName)
span.SetTag("method", "CreateIndex")
span.LogFields(log.String("database", c.Database().Name()))
span.LogFields(log.String("table", c.Name()))
span.LogFields(log.Object("keys", key))
span.LogFields(log.Object("options", op))
span.LogFields(log.Object("call", call))
defer span.Finish()
ctx = opentracing.ContextWithSpan(ctx, span)
}
}
indexView := c.Collection.Indexes()
indexModel := mongo.IndexModel{Keys: key, Options: op}
res, err = indexView.CreateOne(ctx, indexModel)
if !c.DisableMetric {
cost := time.Since(start)
if err != nil {
metric.LibHandleCounter.WithLabelValues("mongodb", c.Database().Name(), c.Name(), "ERR").Inc()
} else {
metric.LibHandleCounter.Inc("mongodb", c.Database().Name(), c.Name(), "OK")
}
metric.LibHandleHistogram.WithLabelValues("mongodb", c.Database().Name(), c.Name()).Observe(cost.Seconds())
}
return err
}, acceptable)
return
}
// ListIndexes 获取所有所有
func (c *DecoratedCollection) ListIndexes(ctx context.Context, opts *options.ListIndexesOptions) (val []string, err error) {
start := time.Now()
ctx = getCtx(ctx)
err = c.brk.DoWithAcceptable(func() error {
if !c.DisableTrace {
call := Caller(6)
if parentSpan := trace.SpanFromContext(ctx); parentSpan != nil {
parentCtx := parentSpan.Context()
span := opentracing.StartSpan("mongodb", opentracing.ChildOf(parentCtx))
ext.SpanKindRPCClient.Set(span)
hostName, err := os.Hostname()
if err != nil {
hostName = "unknown"
}
ext.PeerHostname.Set(span, hostName)
span.SetTag("method", "ListIndexes")
span.LogFields(log.String("database", c.Database().Name()))
span.LogFields(log.String("table", c.Name()))
span.LogFields(log.Object("options", opts))
span.LogFields(log.Object("call", call))
defer span.Finish()
ctx = opentracing.ContextWithSpan(ctx, span)
}
}
indexView := c.Collection.Indexes()
cursor, err := indexView.List(ctx, opts)
if err != nil {
c.reset()
return err
}
for cursor.Next(ctx) {
var idx index
if err := cursor.Decode(&idx); err == nil {
val = append(val, idx.Name)
}
}
c.reset()
if !c.DisableMetric {
cost := time.Since(start)
if err != nil {
metric.LibHandleCounter.WithLabelValues("mongodb", c.Database().Name(), c.Name(), "ERR").Inc()
} else {
metric.LibHandleCounter.Inc("mongodb", c.Database().Name(), c.Name(), "OK")
}
metric.LibHandleHistogram.WithLabelValues("mongodb", c.Database().Name(), c.Name()).Observe(cost.Seconds())
}
return err
}, acceptable)
return
}
// DropIndex 删除索引
func (c *DecoratedCollection) DropIndex(ctx context.Context, name string, opts *options.DropIndexesOptions) (err error) {
start := time.Now()
indexView := c.Collection.Indexes()
ctx = getCtx(ctx)
err = c.brk.DoWithAcceptable(func() error {
if !c.DisableTrace {
call := Caller(6)
if parentSpan := trace.SpanFromContext(ctx); parentSpan != nil {
parentCtx := parentSpan.Context()
span := opentracing.StartSpan("mongodb", opentracing.ChildOf(parentCtx))
ext.SpanKindRPCClient.Set(span)
hostName, err := os.Hostname()
if err != nil {
hostName = "unknown"
}
ext.PeerHostname.Set(span, hostName)
span.SetTag("method", "DropIndex")
span.LogFields(log.String("database", c.Database().Name()))
span.LogFields(log.String("table", c.Name()))
span.LogFields(log.String("indexname", name))
span.LogFields(log.Object("options", opts))
span.LogFields(log.Object("call", call))
defer span.Finish()
ctx = opentracing.ContextWithSpan(ctx, span)
}
}
_, err = indexView.DropOne(ctx, name, opts)
if err != nil {
c.reset()
return err
}
c.reset()
if !c.DisableMetric {
cost := time.Since(start)
if err != nil {
metric.LibHandleCounter.WithLabelValues("mongodb", c.Database().Name(), c.Name(), "ERR").Inc()
} else {
metric.LibHandleCounter.Inc("mongodb", c.Database().Name(), c.Name(), "OK")
}
metric.LibHandleHistogram.WithLabelValues("mongodb", c.Database().Name(), c.Name()).Observe(cost.Seconds())
}
return err
}, acceptable)
return
}
// InsertOne 写入单条数据
func (c *DecoratedCollection) InsertOne(ctx context.Context, document any) (val *mongo.InsertOneResult, err error) {
start := time.Now()
ctx = getCtx(ctx)
err = c.brk.DoWithAcceptable(func() error {
// var data any
data := BeforeCreate(document)
if !c.DisableTrace {
call := Caller(6)
if parentSpan := trace.SpanFromContext(ctx); parentSpan != nil {
parentCtx := parentSpan.Context()
span := opentracing.StartSpan("mongodb", opentracing.ChildOf(parentCtx))
ext.SpanKindRPCClient.Set(span)
hostName, err := os.Hostname()
if err != nil {
hostName = "unknown"
}
ext.PeerHostname.Set(span, hostName)
span.SetTag("method", "InsertOne")
span.LogFields(log.String("database", c.Database().Name()))
span.LogFields(log.String("table", c.Name()))
span.LogFields(log.Object("document", data))
span.LogFields(log.Object("call", call))
defer span.Finish()
ctx = opentracing.ContextWithSpan(ctx, span)
}
}
val, err = c.Collection.InsertOne(ctx, data)
c.reset()
if !c.DisableMetric {
cost := time.Since(start)
if err != nil {
metric.LibHandleCounter.WithLabelValues("mongodb", c.Database().Name(), c.Name(), "ERR").Inc()
} else {
metric.LibHandleCounter.Inc("mongodb", c.Database().Name(), c.Name(), "OK")
}
metric.LibHandleHistogram.WithLabelValues("mongodb", c.Database().Name(), c.Name()).Observe(cost.Seconds())
}
return err
}, acceptable)
return
}
// InsertMany 写入多条数据
func (c *DecoratedCollection) InsertMany(ctx context.Context, documents any) (val *mongo.InsertManyResult, err error) {
start := time.Now()
ctx = getCtx(ctx)
err = c.brk.DoWithAcceptable(func() error {
// var data []any
data := BeforeCreate(documents).([]any)
if !c.DisableTrace {
call := Caller(6)
if parentSpan := trace.SpanFromContext(ctx); parentSpan != nil {
parentCtx := parentSpan.Context()
span := opentracing.StartSpan("mongodb", opentracing.ChildOf(parentCtx))
ext.SpanKindRPCClient.Set(span)
hostName, err := os.Hostname()
if err != nil {
hostName = "unknown"
}
ext.PeerHostname.Set(span, hostName)
span.SetTag("method", "InsertMany")
span.LogFields(log.String("database", c.Database().Name()))
span.LogFields(log.String("table", c.Name()))
span.LogFields(log.Object("documents", documents))
span.LogFields(log.Object("call", call))
defer span.Finish()
ctx = opentracing.ContextWithSpan(ctx, span)
}
}
val, err = c.Collection.InsertMany(ctx, data)
c.reset()
if !c.DisableMetric {
cost := time.Since(start)
if err != nil {
metric.LibHandleCounter.WithLabelValues("mongodb", c.Database().Name(), c.Name(), "ERR").Inc()
} else {
metric.LibHandleCounter.Inc("mongodb", c.Database().Name(), c.Name(), "OK")
}
metric.LibHandleHistogram.WithLabelValues("mongodb", c.Database().Name(), c.Name()).Observe(cost.Seconds())
}
return err
}, acceptable)
return
}
// Aggregate ...
func (c *DecoratedCollection) Aggregate(ctx context.Context, pipeline any, result any) (err error) {
start := time.Now()
ctx = getCtx(ctx)
err = c.brk.DoWithAcceptable(func() error {
if !c.DisableTrace {
call := Caller(6)
if parentSpan := trace.SpanFromContext(ctx); parentSpan != nil {
parentCtx := parentSpan.Context()
span := opentracing.StartSpan("mongodb", opentracing.ChildOf(parentCtx))
ext.SpanKindRPCClient.Set(span)
hostName, err := os.Hostname()
if err != nil {
hostName = "unknown"
}
ext.PeerHostname.Set(span, hostName)
span.SetTag("method", "Aggregate")
span.LogFields(log.String("database", c.Database().Name()))
span.LogFields(log.String("table", c.Name()))
span.LogFields(log.Object("pipeline", pipeline))
span.LogFields(log.Object("call", call))
defer span.Finish()
ctx = opentracing.ContextWithSpan(ctx, span)
}
}
cursor, err := c.Collection.Aggregate(ctx, pipeline)
if err != nil {
c.reset()
return err
}
err = cursor.All(ctx, result)
c.reset()
if !c.DisableMetric {
cost := time.Since(start)
if err != nil {
metric.LibHandleCounter.WithLabelValues("mongodb", c.Database().Name(), c.Name(), "ERR").Inc()
} else {
metric.LibHandleCounter.Inc("mongodb", c.Database().Name(), c.Name(), "OK")
}
metric.LibHandleHistogram.WithLabelValues("mongodb", c.Database().Name(), c.Name()).Observe(cost.Seconds())
}
return err
}, acceptable)
return
}
// UpdateOrInsert 存在更新,不存在写入, documents 里边的文档需要有 _id 的存在
func (c *DecoratedCollection) UpdateOrInsert(ctx context.Context, documents []any) (val *mongo.UpdateResult, err error) {
start := time.Now()
ctx = getCtx(ctx)
err = c.brk.DoWithAcceptable(func() error {
if !c.DisableTrace {
call := Caller(6)
if parentSpan := trace.SpanFromContext(ctx); parentSpan != nil {
parentCtx := parentSpan.Context()
span := opentracing.StartSpan("mongodb", opentracing.ChildOf(parentCtx))
ext.SpanKindRPCClient.Set(span)
hostName, err := os.Hostname()
if err != nil {
hostName = "unknown"
}
ext.PeerHostname.Set(span, hostName)
span.SetTag("method", "UpdateOrInsert")
span.LogFields(log.String("database", c.Database().Name()))
span.LogFields(log.String("table", c.Name()))
span.LogFields(log.Object("filter", c.filter))
span.LogFields(log.Object("documents", documents))
span.LogFields(log.Object("call", call))
defer span.Finish()
ctx = opentracing.ContextWithSpan(ctx, span)
}
}
var upsert = true
val, err = c.Collection.UpdateMany(ctx, c.filter, documents, &options.UpdateOptions{Upsert: &upsert})
c.reset()
if !c.DisableMetric {
cost := time.Since(start)
if err != nil {
metric.LibHandleCounter.WithLabelValues("mongodb", c.Database().Name(), c.Name(), "ERR").Inc()
} else {
metric.LibHandleCounter.Inc("mongodb", c.Database().Name(), c.Name(), "OK")
}
metric.LibHandleHistogram.WithLabelValues("mongodb", c.Database().Name(), c.Name()).Observe(cost.Seconds())
}
return err
}, acceptable)
return
}
// UpdateOne ...
func (c *DecoratedCollection) UpdateOne(ctx context.Context, document any) (val *mongo.UpdateResult, err error) {
start := time.Now()
ctx = getCtx(ctx)
err = c.brk.DoWithAcceptable(func() error {
update := bson.M{"$set": BeforeUpdate(document)}
if !c.DisableTrace {
call := Caller(6)
if parentSpan := trace.SpanFromContext(ctx); parentSpan != nil {
parentCtx := parentSpan.Context()
span := opentracing.StartSpan("mongodb", opentracing.ChildOf(parentCtx))
ext.SpanKindRPCClient.Set(span)
hostName, err := os.Hostname()
if err != nil {
hostName = "unknown"
}
ext.PeerHostname.Set(span, hostName)
span.SetTag("method", "UpdateOne")
span.LogFields(log.String("database", c.Database().Name()))
span.LogFields(log.String("table", c.Name()))
span.LogFields(log.Object("filter", c.filter))
span.LogFields(log.Object("update", update))
span.LogFields(log.Object("call", call))
defer span.Finish()
ctx = opentracing.ContextWithSpan(ctx, span)
}
}
val, err = c.Collection.UpdateOne(ctx, c.filter, update)
c.reset()
if !c.DisableMetric {
cost := time.Since(start)
if err != nil {
metric.LibHandleCounter.WithLabelValues("mongodb", "ERR").Inc()
} else {
metric.LibHandleCounter.Inc("mongodb", "OK")
}
metric.LibHandleHistogram.WithLabelValues("mongodb").Observe(cost.Seconds())
}
return err
}, acceptable)
return
}
// UpdateOneRaw 原生update
func (c *DecoratedCollection) UpdateOneRaw(ctx context.Context, document any, opt ...*options.UpdateOptions) (val *mongo.UpdateResult, err error) {
start := time.Now()
ctx = getCtx(ctx)
err = c.brk.DoWithAcceptable(func() error {
if !c.DisableTrace {
call := Caller(6)
if parentSpan := trace.SpanFromContext(ctx); parentSpan != nil {
parentCtx := parentSpan.Context()
span := opentracing.StartSpan("mongodb", opentracing.ChildOf(parentCtx))
ext.SpanKindRPCClient.Set(span)
hostName, err := os.Hostname()
if err != nil {
hostName = "unknown"
}
ext.PeerHostname.Set(span, hostName)
span.SetTag("method", "UpdateOneRaw")
span.LogFields(log.String("database", c.Database().Name()))
span.LogFields(log.String("table", c.Name()))
span.LogFields(log.Object("filter", c.filter))
span.LogFields(log.Object("update", document))
span.LogFields(log.Object("call", call))
defer span.Finish()
ctx = opentracing.ContextWithSpan(ctx, span)
}
}
val, err = c.Collection.UpdateOne(ctx, c.filter, document, opt...)
c.reset()
if !c.DisableMetric {
cost := time.Since(start)
if err != nil {
metric.LibHandleCounter.WithLabelValues("mongodb", c.Database().Name(), c.Name(), "ERR").Inc()
} else {
metric.LibHandleCounter.Inc("mongodb", c.Database().Name(), c.Name(), "OK")
}
metric.LibHandleHistogram.WithLabelValues("mongodb", c.Database().Name(), c.Name()).Observe(cost.Seconds())
}
return err
}, acceptable)
return
}
// UpdateMany ...
func (c *DecoratedCollection) UpdateMany(ctx context.Context, document any) (val *mongo.UpdateResult, err error) {
start := time.Now()
ctx = getCtx(ctx)
err = c.brk.DoWithAcceptable(func() error {
update := bson.M{"$set": BeforeUpdate(document)}
if !c.DisableTrace {
call := Caller(6)
if parentSpan := trace.SpanFromContext(ctx); parentSpan != nil {
parentCtx := parentSpan.Context()
span := opentracing.StartSpan("mongodb", opentracing.ChildOf(parentCtx))
ext.SpanKindRPCClient.Set(span)
hostName, err := os.Hostname()
if err != nil {
hostName = "unknown"
}
ext.PeerHostname.Set(span, hostName)
span.SetTag("method", "UpdateMany")
span.LogFields(log.String("database", c.Database().Name()))
span.LogFields(log.String("table", c.Name()))
span.LogFields(log.Object("filter", c.filter))
span.LogFields(log.Object("update", update))
span.LogFields(log.Object("call", call))
defer span.Finish()
ctx = opentracing.ContextWithSpan(ctx, span)
}
}
val, err = c.Collection.UpdateMany(ctx, c.filter, update)
c.reset()
if !c.DisableMetric {
cost := time.Since(start)
if err != nil {
metric.LibHandleCounter.WithLabelValues("mongodb", c.Database().Name(), c.Name(), "ERR").Inc()
} else {
metric.LibHandleCounter.Inc("mongodb", c.Database().Name(), c.Name(), "OK")
}
metric.LibHandleHistogram.WithLabelValues("mongodb", c.Database().Name(), c.Name()).Observe(cost.Seconds())
}
return err
}, acceptable)
return
}
// FindOne 查询一条数据
func (c *DecoratedCollection) FindOne(ctx context.Context, document any) (err error) {
start := time.Now()
ctx = getCtx(ctx)
err = c.brk.DoWithAcceptable(func() error {
if !c.DisableTrace {
call := Caller(6)
if parentSpan := trace.SpanFromContext(ctx); parentSpan != nil {
parentCtx := parentSpan.Context()
span := opentracing.StartSpan("mongodb", opentracing.ChildOf(parentCtx))
ext.SpanKindRPCClient.Set(span)
hostName, err := os.Hostname()
if err != nil {
hostName = "unknown"
}
ext.PeerHostname.Set(span, hostName)
span.SetTag("method", "FindOne")
span.LogFields(log.String("database", c.Database().Name()))
span.LogFields(log.String("table", c.Name()))
span.LogFields(log.Object("filter", c.filter))
span.LogFields(log.Int64("skip", c.skip))
span.LogFields(log.Object("sort", c.sort))
span.LogFields(log.Object("fields", c.fields))
span.LogFields(log.Object("call", call))
defer span.Finish()
ctx = opentracing.ContextWithSpan(ctx, span)
}
}
result := c.Collection.FindOne(ctx, c.filter, &options.FindOneOptions{
Skip: &c.skip,
Sort: c.sort,
Projection: c.fields,
})
err = result.Decode(document)
c.reset()
if !c.DisableMetric {
cost := time.Since(start)
if err != nil {
metric.LibHandleCounter.WithLabelValues("mongodb", c.Database().Name(), c.Name(), "ERR").Inc()
} else {
metric.LibHandleCounter.Inc("mongodb", c.Database().Name(), c.Name(), "OK")
}
metric.LibHandleHistogram.WithLabelValues("mongodb", c.Database().Name(), c.Name()).Observe(cost.Seconds())
}
return err
}, acceptable)
return
}
// FindMany 查询多条数据
func (c *DecoratedCollection) FindMany(ctx context.Context, documents any) (err error) {
start := time.Now()
ctx = getCtx(ctx)
err = c.brk.DoWithAcceptable(func() error {
if !c.DisableTrace {
call := Caller(6)
if parentSpan := trace.SpanFromContext(ctx); parentSpan != nil {
parentCtx := parentSpan.Context()
span := opentracing.StartSpan("mongodb", opentracing.ChildOf(parentCtx))
ext.SpanKindRPCClient.Set(span)
hostName, err := os.Hostname()
if err != nil {
hostName = "unknown"
}
ext.PeerHostname.Set(span, hostName)
span.SetTag("method", "FindMany")
span.LogFields(log.String("database", c.Database().Name()))
span.LogFields(log.String("table", c.Name()))
span.LogFields(log.Object("filter", c.filter))
span.LogFields(log.Int64("skip", c.skip))
span.LogFields(log.Int64("limit", c.limit))
span.LogFields(log.Object("sort", c.sort))
span.LogFields(log.Object("fields", c.fields))
span.LogFields(log.Object("call", call))
defer span.Finish()
ctx = opentracing.ContextWithSpan(ctx, span)
}
}
result, err := c.Collection.Find(ctx, c.filter, &options.FindOptions{
Skip: &c.skip,
Limit: &c.limit,
Sort: c.sort,
Projection: c.fields,
})
if err != nil {
c.reset()
return err
}
defer func(ctx context.Context) {
if err = result.Close(ctx); err != nil {
logger.Logger.Error("Error closing result: ", err)
return
}
}(ctx)
val := reflect.ValueOf(documents)
if val.Kind() != reflect.Ptr || val.Elem().Kind() != reflect.Slice {
err = errors.New("result argument must be a slice address")
c.reset()
return err
}
slice := reflect.MakeSlice(val.Elem().Type(), 0, 0)
itemTyp := val.Elem().Type().Elem()
for result.Next(ctx) {
item := reflect.New(itemTyp)
err = result.Decode(item.Interface())
if err != nil {
err = errors.New("result argument must be a slice address")
c.reset()
return err
}
slice = reflect.Append(slice, reflect.Indirect(item))
}
val.Elem().Set(slice)
c.reset()
if !c.DisableMetric {
cost := time.Since(start)
if err != nil {
metric.LibHandleCounter.WithLabelValues("mongodb", c.Database().Name(), c.Name(), "ERR").Inc()
} else {
metric.LibHandleCounter.Inc("mongodb", c.Database().Name(), c.Name(), "OK")
}
metric.LibHandleHistogram.WithLabelValues("mongodb", c.Database().Name(), c.Name()).Observe(cost.Seconds())
}
return nil
}, acceptable)
return
}
// Delete 删除数据,并返回删除成功的数量
func (c *DecoratedCollection) Delete(ctx context.Context) (count int64, err error) {
start := time.Now()
ctx = getCtx(ctx)
err = c.brk.DoWithAcceptable(func() error {
if !c.DisableTrace {
call := Caller(6)
if parentSpan := trace.SpanFromContext(ctx); parentSpan != nil {
parentCtx := parentSpan.Context()
span := opentracing.StartSpan("mongodb", opentracing.ChildOf(parentCtx))
ext.SpanKindRPCClient.Set(span)
hostName, err := os.Hostname()
if err != nil {
hostName = "unknown"
}
ext.PeerHostname.Set(span, hostName)
span.SetTag("method", "Delete")
span.LogFields(log.String("database", c.Database().Name()))
span.LogFields(log.String("table", c.Name()))
span.LogFields(log.Object("filter", c.filter))
span.LogFields(log.Object("call", call))
defer span.Finish()
ctx = opentracing.ContextWithSpan(ctx, span)
}
}
if c.filter == nil || len(c.filter) == 0 {
err = errors.New("you can't delete all documents, it's very dangerous")
c.reset()
return err
}
ctx, cancel := context.WithTimeout(ctx, 5*time.Second)
defer cancel()
result, err := c.Collection.DeleteMany(ctx, c.filter)
if err != nil {
c.reset()
return err
}
count = result.DeletedCount
c.reset()
if !c.DisableMetric {
cost := time.Since(start)
if err != nil {
metric.LibHandleCounter.WithLabelValues("mongodb", c.Database().Name(), c.Name(), "ERR").Inc()
} else {
metric.LibHandleCounter.Inc("mongodb", c.Database().Name(), c.Name(), "OK")
}
metric.LibHandleHistogram.WithLabelValues("mongodb", c.Database().Name(), c.Name()).Observe(cost.Seconds())
}
return nil
}, acceptable)
return
}
// Drop ...
func (c *DecoratedCollection) Drop(ctx context.Context) (err error) {
start := time.Now()
ctx = getCtx(ctx)
err = c.brk.DoWithAcceptable(func() error {
if !c.DisableTrace {
call := Caller(6)
if parentSpan := trace.SpanFromContext(ctx); parentSpan != nil {
parentCtx := parentSpan.Context()
span := opentracing.StartSpan("mongodb", opentracing.ChildOf(parentCtx))
ext.SpanKindRPCClient.Set(span)
hostName, err := os.Hostname()
if err != nil {
hostName = "unknown"
}
ext.PeerHostname.Set(span, hostName)
span.SetTag("method", "Drop")
span.LogFields(log.String("database", c.Database().Name()))
span.LogFields(log.String("table", c.Name()))
span.LogFields(log.Object("call", call))
defer span.Finish()
ctx = opentracing.ContextWithSpan(ctx, span)
}
}
ctx, cancel := context.WithTimeout(ctx, 5*time.Second)
defer cancel()
err = c.Collection.Drop(ctx)
if !c.DisableMetric {
cost := time.Since(start)
if err != nil {
metric.LibHandleCounter.WithLabelValues("mongodb", c.Database().Name(), c.Name(), "ERR").Inc()
} else {
metric.LibHandleCounter.Inc("mongodb", c.Database().Name(), c.Name(), "OK")
}
metric.LibHandleHistogram.WithLabelValues("mongodb", c.Database().Name(), c.Name()).Observe(cost.Seconds())
}
return err
}, acceptable)
return
}
// Count ...
func (c *DecoratedCollection) Count(ctx context.Context) (result int64, err error) {
start := time.Now()
ctx = getCtx(ctx)
err = c.brk.DoWithAcceptable(func() error {
if !c.DisableTrace {
call := Caller(6)
if parentSpan := trace.SpanFromContext(ctx); parentSpan != nil {
parentCtx := parentSpan.Context()
span := opentracing.StartSpan("mongodb", opentracing.ChildOf(parentCtx))
ext.SpanKindRPCClient.Set(span)
hostName, err := os.Hostname()
if err != nil {
hostName = "unknown"
}
ext.PeerHostname.Set(span, hostName)
span.SetTag("method", "Count")
span.LogFields(log.String("database", c.Database().Name()))
span.LogFields(log.String("table", c.Name()))
span.LogFields(log.Object("filter", c.filter))
span.LogFields(log.Object("call", call))
defer span.Finish()
ctx = opentracing.ContextWithSpan(ctx, span)
}
}
ctx, cancel := context.WithTimeout(ctx, 5*time.Second)
defer cancel()
result, err = c.Collection.CountDocuments(ctx, c.filter)
c.reset()
if !c.DisableMetric {
cost := time.Since(start)
if err != nil {
metric.LibHandleCounter.WithLabelValues("mongodb", c.Database().Name(), c.Name(), "ERR").Inc()
} else {
metric.LibHandleCounter.Inc("mongodb", c.Database().Name(), c.Name(), "OK")
}
metric.LibHandleHistogram.WithLabelValues("mongodb", c.Database().Name(), c.Name()).Observe(cost.Seconds())
}
return err
}, acceptable)
return
}
// BeforeCreate ...
func BeforeCreate(document any) any {
val := reflect.ValueOf(document)
typ := reflect.TypeOf(document)
switch typ.Kind() {
case reflect.Ptr:
return BeforeCreate(val.Elem().Interface())
case reflect.Array, reflect.Slice:
var sliceData = make([]any, val.Len(), val.Cap())
for i := 0; i < val.Len(); i++ {
sliceData[i] = BeforeCreate(val.Index(i).Interface()).(bson.M)
}
return sliceData
case reflect.Struct:
var data = make(bson.M)
for i := 0; i < typ.NumField(); i++ {
data[typ.Field(i).Tag.Get("bson")] = val.Field(i).Interface()
}
dataVal := reflect.ValueOf(data)
if val.FieldByName("Id").Type() == reflect.TypeOf(primitive.ObjectID{}) {
dataVal.SetMapIndex(reflect.ValueOf("_id"), reflect.ValueOf(primitive.NewObjectID()))
}
if val.FieldByName("Id").Interface() == "" {
dataVal.SetMapIndex(reflect.ValueOf("_id"), reflect.ValueOf(primitive.NewObjectID().String()))
}
return dataVal.Interface()
default:
if val.Type() == reflect.TypeOf(bson.M{}) {
if !val.MapIndex(reflect.ValueOf("_id")).IsValid() {
val.SetMapIndex(reflect.ValueOf("_id"), reflect.ValueOf(primitive.NewObjectID()))
}
}
return val.Interface()
}
}
// BeforeUpdate ...
func BeforeUpdate(document any) any {
val := reflect.ValueOf(document)
typ := reflect.TypeOf(document)
switch typ.Kind() {
case reflect.Ptr:
return BeforeUpdate(val.Elem().Interface())
case reflect.Array, reflect.Slice:
var sliceData = make([]any, val.Len(), val.Cap())
for i := 0; i < val.Len(); i++ {
sliceData[i] = BeforeCreate(val.Index(i).Interface()).(bson.M)
}
return sliceData
case reflect.Struct:
var data = make(bson.M)
for i := 0; i < typ.NumField(); i++ {
_, ok := typ.Field(i).Tag.Lookup("over")
if ok {
continue
}
data[typ.Field(i).Tag.Get("bson")] = val.Field(i).Interface()
}
dataVal := reflect.ValueOf(data)
return dataVal.Interface()
default:
// if val.Type() == reflect.TypeOf(bson.M{}) {
// if !val.MapIndex(reflect.ValueOf("_id")).IsValid() {
// val.SetMapIndex(reflect.ValueOf("_id"), reflect.ValueOf(primitive.NewObjectID()))
// }
// }
return val.Interface()
}
}
// func isZero(value reflect.Value) bool {
// switch value.Kind() {
// case reflect.String:
// return value.Len() == 0
// case reflect.Bool:
// return !value.Bool()
// case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64:
// return value.Int() == 0
// case reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64, reflect.Uintptr:
// return value.Uint() == 0
// case reflect.Float32, reflect.Float64:
// return value.Float() == 0
// case reflect.Interface, reflect.Ptr:
// return value.IsNil()
// }
// return reflect.DeepEqual(value.Interface(), reflect.Zero(value.Type()).Interface())
// }
func acceptable(err error) bool {
return err == nil || err == mongo.ErrNoDocuments || err == mongo.ErrNilValue ||
err == mongo.ErrNilDocument || err == mongo.ErrNilCursor || err == mongo.ErrEmptySlice ||
// session errors
err == session.ErrSessionEnded || err == session.ErrNoTransactStarted ||
err == session.ErrTransactInProgress || err == session.ErrAbortAfterCommit ||
err == session.ErrAbortTwice || err == session.ErrCommitAfterAbort ||
err == session.ErrUnackWCUnsupported || err == session.ErrSnapshotTransaction
}
func Caller(skip int) map[string]string {
pc, file, lineNo, _ := runtime.Caller(skip)
name := runtime.FuncForPC(pc).Name()
return map[string]string{
"path": file + ":" + cast.ToString(lineNo),
"func": name,
}
}