move wrapper.sql to hook/sql (#401)
move micro-wrapper-sql to core repo Co-authored-by: Vasiliy Tolstov <v.tolstov@unistack.org> Reviewed-on: #401 Co-authored-by: Evstigneev Denis <danteevstigneev@yandex.ru> Co-committed-by: Evstigneev Denis <danteevstigneev@yandex.ru>
This commit is contained in:
51
hooks/sql/common.go
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51
hooks/sql/common.go
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@@ -0,0 +1,51 @@
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package sql
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import (
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"database/sql/driver"
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"errors"
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"fmt"
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"runtime"
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)
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//go:generate sh -c "go run gen.go > wrap_gen.go"
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// namedValueToValue converts driver arguments of NamedValue format to Value format. Implemented in the same way as in
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// database/sql ctxutil.go.
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func namedValueToValue(named []driver.NamedValue) ([]driver.Value, error) {
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dargs := make([]driver.Value, len(named))
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for n, param := range named {
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if len(param.Name) > 0 {
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return nil, errors.New("sql: driver does not support the use of Named Parameters")
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}
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dargs[n] = param.Value
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}
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return dargs, nil
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}
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// namedValueToLabels convert driver arguments to interface{} slice
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func namedValueToLabels(named []driver.NamedValue) []interface{} {
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largs := make([]interface{}, 0, len(named)*2)
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var name string
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for _, param := range named {
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if param.Name != "" {
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name = param.Name
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} else {
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name = fmt.Sprintf("$%d", param.Ordinal)
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}
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largs = append(largs, fmt.Sprintf("%s=%v", name, param.Value))
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}
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return largs
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}
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// getCallerName get the name of the function A where A() -> B() -> GetFunctionCallerName()
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func getCallerName() string {
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pc, _, _, ok := runtime.Caller(3)
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details := runtime.FuncForPC(pc)
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var callerName string
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if ok && details != nil {
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callerName = details.Name()
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} else {
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callerName = labelUnknown
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}
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return callerName
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}
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467
hooks/sql/conn.go
Normal file
467
hooks/sql/conn.go
Normal file
@@ -0,0 +1,467 @@
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package sql
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import (
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"context"
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"database/sql/driver"
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"fmt"
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"time"
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"go.unistack.org/micro/v4/hooks/requestid"
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"go.unistack.org/micro/v4/tracer"
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)
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var (
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_ driver.Conn = (*wrapperConn)(nil)
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_ driver.ConnBeginTx = (*wrapperConn)(nil)
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_ driver.ConnPrepareContext = (*wrapperConn)(nil)
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_ driver.Pinger = (*wrapperConn)(nil)
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_ driver.Validator = (*wrapperConn)(nil)
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_ driver.Queryer = (*wrapperConn)(nil) // nolint:staticcheck
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_ driver.QueryerContext = (*wrapperConn)(nil)
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_ driver.Execer = (*wrapperConn)(nil) // nolint:staticcheck
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_ driver.ExecerContext = (*wrapperConn)(nil)
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// _ driver.Connector
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// _ driver.Driver
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// _ driver.DriverContext
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)
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// wrapperConn defines a wrapper for driver.Conn
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type wrapperConn struct {
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d *wrapperDriver
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dname string
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conn driver.Conn
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opts Options
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ctx context.Context
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//span tracer.Span
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}
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// Close implements driver.Conn Close
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func (w *wrapperConn) Close() error {
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var ctx context.Context
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if w.ctx != nil {
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ctx = w.ctx
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} else {
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ctx = context.Background()
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}
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_ = ctx
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labels := []string{labelMethod, "Close"}
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ts := time.Now()
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err := w.conn.Close()
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td := time.Since(ts)
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te := td.Seconds()
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if err != nil {
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w.opts.Meter.Counter(meterRequestTotal, append(labels, labelStatus, labelFailure)...).Inc()
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} else {
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w.opts.Meter.Counter(meterRequestTotal, append(labels, labelStatus, labelSuccess)...).Inc()
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}
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w.opts.Meter.Summary(meterRequestLatencyMicroseconds, labels...).Update(te)
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w.opts.Meter.Histogram(meterRequestDurationSeconds, labels...).Update(te)
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/*
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if w.opts.LoggerEnabled && w.opts.Logger.V(w.opts.LoggerLevel) {
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w.opts.Logger.Log(ctx, w.opts.LoggerLevel, w.opts.LoggerObserver(ctx, "Close", getCallerName(), td, err)...)
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}
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*/
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return err
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}
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// Begin implements driver.Conn Begin
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func (w *wrapperConn) Begin() (driver.Tx, error) {
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var ctx context.Context
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if w.ctx != nil {
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ctx = w.ctx
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} else {
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ctx = context.Background()
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}
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labels := []string{labelMethod, "Begin"}
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ts := time.Now()
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tx, err := w.conn.Begin() // nolint:staticcheck
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td := time.Since(ts)
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te := td.Seconds()
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if err != nil {
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w.opts.Meter.Counter(meterRequestTotal, append(labels, labelStatus, labelFailure)...).Inc()
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w.opts.Meter.Summary(meterRequestLatencyMicroseconds, labels...).Update(te)
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w.opts.Meter.Histogram(meterRequestDurationSeconds, labels...).Update(te)
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/*
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if w.opts.LoggerEnabled && w.opts.Logger.V(w.opts.LoggerLevel) {
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w.opts.Logger.Log(ctx, w.opts.LoggerLevel, w.opts.LoggerObserver(ctx, "Begin", getCallerName(), td, err)...)
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}
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*/
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return nil, err
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}
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w.opts.Meter.Counter(meterRequestTotal, append(labels, labelStatus, labelSuccess)...).Inc()
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w.opts.Meter.Summary(meterRequestLatencyMicroseconds, labels...).Update(te)
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w.opts.Meter.Histogram(meterRequestDurationSeconds, labels...).Update(te)
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/*
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if w.opts.LoggerEnabled && w.opts.Logger.V(w.opts.LoggerLevel) {
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w.opts.Logger.Log(ctx, w.opts.LoggerLevel, w.opts.LoggerObserver(ctx, "Begin", getCallerName(), td, err)...)
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}
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*/
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return &wrapperTx{tx: tx, opts: w.opts, ctx: ctx}, nil
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}
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// BeginTx implements driver.ConnBeginTx BeginTx
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func (w *wrapperConn) BeginTx(ctx context.Context, opts driver.TxOptions) (driver.Tx, error) {
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name := getQueryName(ctx)
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nctx, span := w.opts.Tracer.Start(ctx, "sdk.database", tracer.WithSpanKind(tracer.SpanKindClient))
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span.AddLabels("db.method", "BeginTx")
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span.AddLabels("db.statement", name)
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if id, ok := ctx.Value(requestid.XRequestIDKey{}).(string); ok {
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span.AddLabels("x-request-id", id)
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}
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labels := []string{labelMethod, "BeginTx", labelQuery, name}
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connBeginTx, ok := w.conn.(driver.ConnBeginTx)
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if !ok {
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return w.Begin()
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}
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ts := time.Now()
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tx, err := connBeginTx.BeginTx(nctx, opts)
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td := time.Since(ts)
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te := td.Seconds()
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if err != nil {
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w.opts.Meter.Counter(meterRequestTotal, append(labels, labelStatus, labelFailure)...).Inc()
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w.opts.Meter.Summary(meterRequestLatencyMicroseconds, labels...).Update(te)
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w.opts.Meter.Histogram(meterRequestDurationSeconds, labels...).Update(te)
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span.SetStatus(tracer.SpanStatusError, err.Error())
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/*
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if w.opts.LoggerEnabled && w.opts.Logger.V(w.opts.LoggerLevel) {
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w.opts.Logger.Log(ctx, w.opts.LoggerLevel, w.opts.LoggerObserver(ctx, "BeginTx", getCallerName(), td, err)...)
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}
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*/
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return nil, err
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}
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w.opts.Meter.Counter(meterRequestTotal, append(labels, labelStatus, labelSuccess)...).Inc()
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/*
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if w.opts.LoggerEnabled && w.opts.Logger.V(w.opts.LoggerLevel) {
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w.opts.Logger.Log(ctx, w.opts.LoggerLevel, w.opts.LoggerObserver(ctx, "BeginTx", getCallerName(), td, err)...)
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}
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*/
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return &wrapperTx{tx: tx, opts: w.opts, ctx: ctx, span: span}, nil
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}
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// Prepare implements driver.Conn Prepare
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func (w *wrapperConn) Prepare(query string) (driver.Stmt, error) {
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var ctx context.Context
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if w.ctx != nil {
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ctx = w.ctx
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} else {
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ctx = context.Background()
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}
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_ = ctx
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labels := []string{labelMethod, "Prepare", labelQuery, getCallerName()}
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ts := time.Now()
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stmt, err := w.conn.Prepare(query)
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td := time.Since(ts)
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te := td.Seconds()
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if err != nil {
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w.opts.Meter.Counter(meterRequestTotal, append(labels, labelStatus, labelFailure)...).Inc()
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w.opts.Meter.Summary(meterRequestLatencyMicroseconds, labels...).Update(te)
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w.opts.Meter.Histogram(meterRequestDurationSeconds, labels...).Update(te)
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/*
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if w.opts.LoggerEnabled && w.opts.Logger.V(w.opts.LoggerLevel) {
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w.opts.Logger.Log(ctx, w.opts.LoggerLevel, w.opts.LoggerObserver(ctx, "Prepare", getCallerName(), td, err)...)
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}
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*/
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return nil, err
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}
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w.opts.Meter.Counter(meterRequestTotal, append(labels, labelStatus, labelSuccess)...).Inc()
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w.opts.Meter.Summary(meterRequestLatencyMicroseconds, labels...).Update(te)
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w.opts.Meter.Histogram(meterRequestDurationSeconds, labels...).Update(te)
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/*
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if w.opts.LoggerEnabled && w.opts.Logger.V(w.opts.LoggerLevel) {
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w.opts.Logger.Log(ctx, w.opts.LoggerLevel, w.opts.LoggerObserver(ctx, "Prepare", getCallerName(), td, err)...)
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}
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*/
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return wrapStmt(stmt, query, w.opts), nil
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}
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// PrepareContext implements driver.ConnPrepareContext PrepareContext
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func (w *wrapperConn) PrepareContext(ctx context.Context, query string) (driver.Stmt, error) {
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var nctx context.Context
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var span tracer.Span
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name := getQueryName(ctx)
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if w.ctx != nil {
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nctx, span = w.opts.Tracer.Start(w.ctx, "sdk.database", tracer.WithSpanKind(tracer.SpanKindClient))
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} else {
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nctx, span = w.opts.Tracer.Start(ctx, "sdk.database", tracer.WithSpanKind(tracer.SpanKindClient))
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}
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span.AddLabels("db.method", "PrepareContext")
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span.AddLabels("db.statement", name)
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if id, ok := ctx.Value(requestid.XRequestIDKey{}).(string); ok {
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span.AddLabels("x-request-id", id)
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}
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labels := []string{labelMethod, "PrepareContext", labelQuery, name}
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conn, ok := w.conn.(driver.ConnPrepareContext)
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if !ok {
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return w.Prepare(query)
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}
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ts := time.Now()
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stmt, err := conn.PrepareContext(nctx, query)
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td := time.Since(ts)
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te := td.Seconds()
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if err != nil {
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w.opts.Meter.Counter(meterRequestTotal, append(labels, labelStatus, labelFailure)...).Inc()
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w.opts.Meter.Summary(meterRequestLatencyMicroseconds, labels...).Update(te)
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w.opts.Meter.Histogram(meterRequestDurationSeconds, labels...).Update(te)
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span.SetStatus(tracer.SpanStatusError, err.Error())
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/*
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if w.opts.LoggerEnabled && w.opts.Logger.V(w.opts.LoggerLevel) {
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w.opts.Logger.Log(ctx, w.opts.LoggerLevel, w.opts.LoggerObserver(ctx, "PrepareContext", getCallerName(), td, err)...)
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}
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*/
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return nil, err
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}
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w.opts.Meter.Counter(meterRequestTotal, append(labels, labelStatus, labelSuccess)...).Inc()
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w.opts.Meter.Summary(meterRequestLatencyMicroseconds, labels...).Update(te)
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w.opts.Meter.Histogram(meterRequestDurationSeconds, labels...).Update(te)
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/*
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if w.opts.LoggerEnabled && w.opts.Logger.V(w.opts.LoggerLevel) {
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w.opts.Logger.Log(ctx, w.opts.LoggerLevel, w.opts.LoggerObserver(ctx, "PrepareContext", getCallerName(), td, err)...)
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}
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*/
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return wrapStmt(stmt, query, w.opts), nil
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}
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// Exec implements driver.Execer Exec
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func (w *wrapperConn) Exec(query string, args []driver.Value) (driver.Result, error) {
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var ctx context.Context
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if w.ctx != nil {
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||||
ctx = w.ctx
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||||
} else {
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ctx = context.Background()
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}
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_ = ctx
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labels := []string{labelMethod, "Exec", labelQuery, getCallerName()}
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||||
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// nolint:staticcheck
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conn, ok := w.conn.(driver.Execer)
|
||||
if !ok {
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||||
return nil, driver.ErrSkip
|
||||
}
|
||||
|
||||
ts := time.Now()
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||||
res, err := conn.Exec(query, args)
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||||
td := time.Since(ts)
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||||
te := td.Seconds()
|
||||
if err != nil {
|
||||
w.opts.Meter.Counter(meterRequestTotal, append(labels, labelStatus, labelFailure)...).Inc()
|
||||
} else {
|
||||
w.opts.Meter.Counter(meterRequestTotal, append(labels, labelStatus, labelSuccess)...).Inc()
|
||||
}
|
||||
w.opts.Meter.Summary(meterRequestLatencyMicroseconds, labels...).Update(te)
|
||||
w.opts.Meter.Histogram(meterRequestDurationSeconds, labels...).Update(te)
|
||||
/*
|
||||
if w.opts.LoggerEnabled && w.opts.Logger.V(w.opts.LoggerLevel) {
|
||||
w.opts.Logger.Log(ctx, w.opts.LoggerLevel, w.opts.LoggerObserver(ctx, "Exec", getCallerName(), td, err)...)
|
||||
}
|
||||
*/
|
||||
return res, err
|
||||
}
|
||||
|
||||
// Exec implements driver.StmtExecContext ExecContext
|
||||
func (w *wrapperConn) ExecContext(ctx context.Context, query string, args []driver.NamedValue) (driver.Result, error) {
|
||||
var nctx context.Context
|
||||
var span tracer.Span
|
||||
|
||||
name := getQueryName(ctx)
|
||||
if w.ctx != nil {
|
||||
nctx, span = w.opts.Tracer.Start(w.ctx, "sdk.database", tracer.WithSpanKind(tracer.SpanKindClient))
|
||||
} else {
|
||||
nctx, span = w.opts.Tracer.Start(ctx, "sdk.database", tracer.WithSpanKind(tracer.SpanKindClient))
|
||||
}
|
||||
span.AddLabels("db.method", "ExecContext")
|
||||
span.AddLabels("db.statement", name)
|
||||
if id, ok := ctx.Value(requestid.XRequestIDKey{}).(string); ok {
|
||||
span.AddLabels("x-request-id", id)
|
||||
}
|
||||
defer span.Finish()
|
||||
if len(args) > 0 {
|
||||
span.AddLabels("db.args", fmt.Sprintf("%v", namedValueToLabels(args)))
|
||||
}
|
||||
labels := []string{labelMethod, "ExecContext", labelQuery, name}
|
||||
|
||||
conn, ok := w.conn.(driver.ExecerContext)
|
||||
if !ok {
|
||||
// nolint:staticcheck
|
||||
return nil, driver.ErrSkip
|
||||
}
|
||||
|
||||
ts := time.Now()
|
||||
res, err := conn.ExecContext(nctx, query, args)
|
||||
td := time.Since(ts)
|
||||
te := td.Seconds()
|
||||
if err != nil {
|
||||
w.opts.Meter.Counter(meterRequestTotal, append(labels, labelStatus, labelFailure)...).Inc()
|
||||
span.SetStatus(tracer.SpanStatusError, err.Error())
|
||||
} else {
|
||||
w.opts.Meter.Counter(meterRequestTotal, append(labels, labelStatus, labelSuccess)...).Inc()
|
||||
}
|
||||
w.opts.Meter.Counter(meterRequestTotal, append(labels, labelStatus, labelSuccess)...).Inc()
|
||||
w.opts.Meter.Summary(meterRequestLatencyMicroseconds, labels...).Update(te)
|
||||
w.opts.Meter.Histogram(meterRequestDurationSeconds, labels...).Update(te)
|
||||
/*
|
||||
if w.opts.LoggerEnabled && w.opts.Logger.V(w.opts.LoggerLevel) {
|
||||
w.opts.Logger.Log(ctx, w.opts.LoggerLevel, w.opts.LoggerObserver(ctx, "ExecContext", getCallerName(), td, err)...)
|
||||
}
|
||||
*/
|
||||
return res, err
|
||||
}
|
||||
|
||||
// Ping implements driver.Pinger Ping
|
||||
func (w *wrapperConn) Ping(ctx context.Context) error {
|
||||
conn, ok := w.conn.(driver.Pinger)
|
||||
|
||||
if !ok {
|
||||
// fallback path to check db alive
|
||||
pc, err := w.d.Open(w.dname)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
return pc.Close()
|
||||
}
|
||||
|
||||
var nctx context.Context //nolint:gosimple
|
||||
nctx = ctx
|
||||
/*
|
||||
var span tracer.Span
|
||||
if w.ctx != nil {
|
||||
nctx, span = w.opts.Tracer.Start(w.ctx, "sdk.database", tracer.WithSpanKind(tracer.SpanKindClient))
|
||||
} else {
|
||||
nctx, span = w.opts.Tracer.Start(ctx, "sdk.database", tracer.WithSpanKind(tracer.SpanKindClient))
|
||||
}
|
||||
span.AddLabels("db.method", "Ping")
|
||||
defer span.Finish()
|
||||
*/
|
||||
labels := []string{labelMethod, "Ping"}
|
||||
ts := time.Now()
|
||||
err := conn.Ping(nctx)
|
||||
td := time.Since(ts)
|
||||
te := td.Seconds()
|
||||
if err != nil {
|
||||
w.opts.Meter.Counter(meterRequestTotal, append(labels, labelStatus, labelFailure)...).Inc()
|
||||
// span.SetStatus(tracer.SpanStatusError, err.Error())
|
||||
/*
|
||||
if w.opts.LoggerEnabled && w.opts.Logger.V(w.opts.LoggerLevel) {
|
||||
w.opts.Logger.Log(ctx, w.opts.LoggerLevel, w.opts.LoggerObserver(ctx, "Ping", getCallerName(), td, err)...)
|
||||
}
|
||||
*/
|
||||
return err
|
||||
} else {
|
||||
w.opts.Meter.Counter(meterRequestTotal, append(labels, labelStatus, labelSuccess)...).Inc()
|
||||
}
|
||||
w.opts.Meter.Summary(meterRequestLatencyMicroseconds, labels...).Update(te)
|
||||
w.opts.Meter.Histogram(meterRequestDurationSeconds, labels...).Update(te)
|
||||
|
||||
return nil
|
||||
}
|
||||
|
||||
// Query implements driver.Queryer Query
|
||||
func (w *wrapperConn) Query(query string, args []driver.Value) (driver.Rows, error) {
|
||||
var ctx context.Context
|
||||
if w.ctx != nil {
|
||||
ctx = w.ctx
|
||||
} else {
|
||||
ctx = context.Background()
|
||||
}
|
||||
_ = ctx
|
||||
// nolint:staticcheck
|
||||
conn, ok := w.conn.(driver.Queryer)
|
||||
if !ok {
|
||||
return nil, driver.ErrSkip
|
||||
}
|
||||
|
||||
labels := []string{labelMethod, "Query", labelQuery, getCallerName()}
|
||||
ts := time.Now()
|
||||
rows, err := conn.Query(query, args)
|
||||
td := time.Since(ts)
|
||||
te := td.Seconds()
|
||||
if err != nil {
|
||||
w.opts.Meter.Counter(meterRequestTotal, append(labels, labelStatus, labelFailure)...).Inc()
|
||||
} else {
|
||||
w.opts.Meter.Counter(meterRequestTotal, append(labels, labelStatus, labelSuccess)...).Inc()
|
||||
}
|
||||
w.opts.Meter.Summary(meterRequestLatencyMicroseconds, labels...).Update(te)
|
||||
w.opts.Meter.Histogram(meterRequestDurationSeconds, labels...).Update(te)
|
||||
/*
|
||||
if w.opts.LoggerEnabled && w.opts.Logger.V(w.opts.LoggerLevel) {
|
||||
w.opts.Logger.Log(ctx, w.opts.LoggerLevel, w.opts.LoggerObserver(ctx, "Query", getCallerName(), td, err)...)
|
||||
}
|
||||
*/
|
||||
return rows, err
|
||||
}
|
||||
|
||||
// QueryContext implements Driver.QueryerContext QueryContext
|
||||
func (w *wrapperConn) QueryContext(ctx context.Context, query string, args []driver.NamedValue) (driver.Rows, error) {
|
||||
var nctx context.Context
|
||||
var span tracer.Span
|
||||
|
||||
name := getQueryName(ctx)
|
||||
if w.ctx != nil {
|
||||
nctx, span = w.opts.Tracer.Start(w.ctx, "sdk.database", tracer.WithSpanKind(tracer.SpanKindClient))
|
||||
} else {
|
||||
nctx, span = w.opts.Tracer.Start(ctx, "sdk.database", tracer.WithSpanKind(tracer.SpanKindClient))
|
||||
}
|
||||
span.AddLabels("db.method", "QueryContext")
|
||||
span.AddLabels("db.statement", name)
|
||||
if id, ok := ctx.Value(requestid.XRequestIDKey{}).(string); ok {
|
||||
span.AddLabels("x-request-id", id)
|
||||
}
|
||||
defer span.Finish()
|
||||
if len(args) > 0 {
|
||||
span.AddLabels("db.args", fmt.Sprintf("%v", namedValueToLabels(args)))
|
||||
}
|
||||
labels := []string{labelMethod, "QueryContext", labelQuery, name}
|
||||
conn, ok := w.conn.(driver.QueryerContext)
|
||||
if !ok {
|
||||
return nil, driver.ErrSkip
|
||||
}
|
||||
|
||||
ts := time.Now()
|
||||
rows, err := conn.QueryContext(nctx, query, args)
|
||||
td := time.Since(ts)
|
||||
te := td.Seconds()
|
||||
if err != nil {
|
||||
w.opts.Meter.Counter(meterRequestTotal, append(labels, labelStatus, labelFailure)...).Inc()
|
||||
span.SetStatus(tracer.SpanStatusError, err.Error())
|
||||
} else {
|
||||
w.opts.Meter.Counter(meterRequestTotal, append(labels, labelStatus, labelSuccess)...).Inc()
|
||||
}
|
||||
w.opts.Meter.Summary(meterRequestLatencyMicroseconds, labels...).Update(te)
|
||||
w.opts.Meter.Histogram(meterRequestDurationSeconds, labels...).Update(te)
|
||||
/*
|
||||
if w.opts.LoggerEnabled && w.opts.Logger.V(w.opts.LoggerLevel) {
|
||||
w.opts.Logger.Log(ctx, w.opts.LoggerLevel, w.opts.LoggerObserver(ctx, "QueryContext", getCallerName(), td, err)...)
|
||||
}
|
||||
*/
|
||||
return rows, err
|
||||
}
|
||||
|
||||
// CheckNamedValue implements driver.NamedValueChecker
|
||||
func (w *wrapperConn) CheckNamedValue(v *driver.NamedValue) error {
|
||||
s, ok := w.conn.(driver.NamedValueChecker)
|
||||
if !ok {
|
||||
return driver.ErrSkip
|
||||
}
|
||||
return s.CheckNamedValue(v)
|
||||
}
|
||||
|
||||
// IsValid implements driver.Validator
|
||||
func (w *wrapperConn) IsValid() bool {
|
||||
v, ok := w.conn.(driver.Validator)
|
||||
if !ok {
|
||||
return w.conn != nil
|
||||
}
|
||||
return v.IsValid()
|
||||
}
|
||||
|
||||
func (w *wrapperConn) ResetSession(ctx context.Context) error {
|
||||
s, ok := w.conn.(driver.SessionResetter)
|
||||
if !ok {
|
||||
return driver.ErrSkip
|
||||
}
|
||||
return s.ResetSession(ctx)
|
||||
}
|
94
hooks/sql/driver.go
Normal file
94
hooks/sql/driver.go
Normal file
@@ -0,0 +1,94 @@
|
||||
package sql
|
||||
|
||||
import (
|
||||
"context"
|
||||
"database/sql/driver"
|
||||
"time"
|
||||
)
|
||||
|
||||
var (
|
||||
// _ driver.DriverContext = (*wrapperDriver)(nil)
|
||||
// _ driver.Connector = (*wrapperDriver)(nil)
|
||||
)
|
||||
|
||||
/*
|
||||
type conn interface {
|
||||
driver.Pinger
|
||||
driver.Execer
|
||||
driver.ExecerContext
|
||||
driver.Queryer
|
||||
driver.QueryerContext
|
||||
driver.Conn
|
||||
driver.ConnPrepareContext
|
||||
driver.ConnBeginTx
|
||||
}
|
||||
*/
|
||||
|
||||
// wrapperDriver defines a wrapper for driver.Driver
|
||||
type wrapperDriver struct {
|
||||
driver driver.Driver
|
||||
opts Options
|
||||
ctx context.Context
|
||||
}
|
||||
|
||||
// NewWrapper creates and returns a new SQL driver with passed capabilities
|
||||
func NewWrapper(d driver.Driver, opts ...Option) driver.Driver {
|
||||
return &wrapperDriver{driver: d, opts: NewOptions(opts...), ctx: context.Background()}
|
||||
}
|
||||
|
||||
type wrappedConnector struct {
|
||||
connector driver.Connector
|
||||
// name string
|
||||
opts Options
|
||||
ctx context.Context
|
||||
}
|
||||
|
||||
func NewWrapperConnector(c driver.Connector, opts ...Option) driver.Connector {
|
||||
return &wrappedConnector{connector: c, opts: NewOptions(opts...), ctx: context.Background()}
|
||||
}
|
||||
|
||||
// Connect implements driver.Driver Connect
|
||||
func (w *wrappedConnector) Connect(ctx context.Context) (driver.Conn, error) {
|
||||
return w.connector.Connect(ctx)
|
||||
}
|
||||
|
||||
// Driver implements driver.Driver Driver
|
||||
func (w *wrappedConnector) Driver() driver.Driver {
|
||||
return w.connector.Driver()
|
||||
}
|
||||
|
||||
/*
|
||||
// Connect implements driver.Driver OpenConnector
|
||||
func (w *wrapperDriver) OpenConnector(name string) (driver.Conn, error) {
|
||||
return &wrapperConnector{driver: w.driver, name: name, opts: w.opts}, nil
|
||||
}
|
||||
*/
|
||||
|
||||
// Open implements driver.Driver Open
|
||||
func (w *wrapperDriver) Open(name string) (driver.Conn, error) {
|
||||
// ctx, cancel := context.WithTimeout(context.Background(), 60*time.Second) // Ensure eventual timeout
|
||||
// defer cancel()
|
||||
|
||||
/*
|
||||
connector, err := w.OpenConnector(name)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
return connector.Connect(ctx)
|
||||
*/
|
||||
|
||||
ts := time.Now()
|
||||
c, err := w.driver.Open(name)
|
||||
td := time.Since(ts)
|
||||
/*
|
||||
if w.opts.LoggerEnabled {
|
||||
w.opts.Logger.Log(w.ctx, w.opts.LoggerLevel, w.opts.LoggerObserver(w.ctx, "Open", getCallerName(), td, err)...)
|
||||
}
|
||||
*/
|
||||
_ = td
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
|
||||
return wrapConn(c, w.opts), nil
|
||||
}
|
167
hooks/sql/gen.go
Normal file
167
hooks/sql/gen.go
Normal file
@@ -0,0 +1,167 @@
|
||||
//go:build ignore
|
||||
|
||||
package main
|
||||
|
||||
import (
|
||||
"bytes"
|
||||
"crypto/md5"
|
||||
"fmt"
|
||||
"io"
|
||||
"sort"
|
||||
"strings"
|
||||
)
|
||||
|
||||
var connIfaces = []string{
|
||||
"driver.ConnBeginTx",
|
||||
"driver.ConnPrepareContext",
|
||||
"driver.Execer",
|
||||
"driver.ExecerContext",
|
||||
"driver.NamedValueChecker",
|
||||
"driver.Pinger",
|
||||
"driver.Queryer",
|
||||
"driver.QueryerContext",
|
||||
"driver.SessionResetter",
|
||||
"driver.Validator",
|
||||
}
|
||||
|
||||
var stmtIfaces = []string{
|
||||
"driver.StmtExecContext",
|
||||
"driver.StmtQueryContext",
|
||||
"driver.ColumnConverter",
|
||||
"driver.NamedValueChecker",
|
||||
}
|
||||
|
||||
func getHash(s []string) string {
|
||||
h := md5.New()
|
||||
io.WriteString(h, strings.Join(s, "|"))
|
||||
return fmt.Sprintf("%x", h.Sum(nil))
|
||||
}
|
||||
|
||||
func main() {
|
||||
comboConn := all(connIfaces)
|
||||
|
||||
sort.Slice(comboConn, func(i, j int) bool {
|
||||
return len(comboConn[i]) < len(comboConn[j])
|
||||
})
|
||||
|
||||
comboStmt := all(stmtIfaces)
|
||||
|
||||
sort.Slice(comboStmt, func(i, j int) bool {
|
||||
return len(comboStmt[i]) < len(comboStmt[j])
|
||||
})
|
||||
|
||||
b := bytes.NewBuffer(nil)
|
||||
b.WriteString("// Code generated. DO NOT EDIT.\n\n")
|
||||
b.WriteString("package sql\n\n")
|
||||
b.WriteString(`import "database/sql/driver"`)
|
||||
b.WriteString("\n\n")
|
||||
|
||||
b.WriteString("func wrapConn(dc driver.Conn, opts Options) driver.Conn {\n")
|
||||
b.WriteString("\tc := &wrapperConn{conn: dc, opts: opts}\n")
|
||||
|
||||
for idx := len(comboConn) - 1; idx >= 0; idx-- {
|
||||
ifaces := comboConn[idx]
|
||||
n := len(ifaces)
|
||||
if n == 0 {
|
||||
continue
|
||||
}
|
||||
h := getHash(ifaces)
|
||||
b.WriteString(fmt.Sprintf("\tif _, ok := dc.(wrapConn%04d_%s); ok {\n", n, h))
|
||||
b.WriteString("\treturn struct {\n")
|
||||
b.WriteString("\t\tdriver.Conn\n")
|
||||
b.WriteString(fmt.Sprintf("\t\t\t%s", strings.Join(ifaces, "\n\t\t\t")))
|
||||
b.WriteString("\t\t\n}{")
|
||||
for idx := range ifaces {
|
||||
if idx > 0 {
|
||||
b.WriteString(", ")
|
||||
b.WriteString("c")
|
||||
} else if idx == 0 {
|
||||
b.WriteString("c")
|
||||
} else {
|
||||
b.WriteString("c")
|
||||
}
|
||||
}
|
||||
b.WriteString(", c}\n")
|
||||
b.WriteString("}\n\n")
|
||||
}
|
||||
b.WriteString("return c\n")
|
||||
b.WriteString("}\n")
|
||||
|
||||
for idx := len(comboConn) - 1; idx >= 0; idx-- {
|
||||
ifaces := comboConn[idx]
|
||||
n := len(ifaces)
|
||||
if n == 0 {
|
||||
continue
|
||||
}
|
||||
h := getHash(ifaces)
|
||||
b.WriteString(fmt.Sprintf("// %s\n", strings.Join(ifaces, "|")))
|
||||
b.WriteString(fmt.Sprintf("type wrapConn%04d_%s interface {\n", n, h))
|
||||
for _, iface := range ifaces {
|
||||
b.WriteString(fmt.Sprintf("\t%s\n", iface))
|
||||
}
|
||||
b.WriteString("}\n\n")
|
||||
}
|
||||
|
||||
b.WriteString("func wrapStmt(stmt driver.Stmt, query string, opts Options) driver.Stmt {\n")
|
||||
b.WriteString("\tc := &wrapperStmt{stmt: stmt, query: query, opts: opts}\n")
|
||||
|
||||
for idx := len(comboStmt) - 1; idx >= 0; idx-- {
|
||||
ifaces := comboStmt[idx]
|
||||
n := len(ifaces)
|
||||
if n == 0 {
|
||||
continue
|
||||
}
|
||||
h := getHash(ifaces)
|
||||
b.WriteString(fmt.Sprintf("\tif _, ok := stmt.(wrapStmt%04d_%s); ok {\n", n, h))
|
||||
b.WriteString("\treturn struct {\n")
|
||||
b.WriteString("\t\tdriver.Stmt\n")
|
||||
b.WriteString(fmt.Sprintf("\t\t\t%s", strings.Join(ifaces, "\n\t\t\t")))
|
||||
b.WriteString("\t\t\n}{")
|
||||
for idx := range ifaces {
|
||||
if idx > 0 {
|
||||
b.WriteString(", ")
|
||||
b.WriteString("c")
|
||||
} else if idx == 0 {
|
||||
b.WriteString("c")
|
||||
} else {
|
||||
b.WriteString("c")
|
||||
}
|
||||
}
|
||||
b.WriteString(", c}\n")
|
||||
b.WriteString("}\n\n")
|
||||
}
|
||||
b.WriteString("return c\n")
|
||||
b.WriteString("}\n")
|
||||
|
||||
for idx := len(comboStmt) - 1; idx >= 0; idx-- {
|
||||
ifaces := comboStmt[idx]
|
||||
n := len(ifaces)
|
||||
if n == 0 {
|
||||
continue
|
||||
}
|
||||
h := getHash(ifaces)
|
||||
b.WriteString(fmt.Sprintf("// %s\n", strings.Join(ifaces, "|")))
|
||||
b.WriteString(fmt.Sprintf("type wrapStmt%04d_%s interface {\n", n, h))
|
||||
for _, iface := range ifaces {
|
||||
b.WriteString(fmt.Sprintf("\t%s\n", iface))
|
||||
}
|
||||
b.WriteString("}\n\n")
|
||||
}
|
||||
|
||||
fmt.Printf("%s\n", b.String())
|
||||
}
|
||||
|
||||
// all returns all combinations for a given string array.
|
||||
func all[T any](set []T) (subsets [][]T) {
|
||||
length := uint(len(set))
|
||||
for subsetBits := 1; subsetBits < (1 << length); subsetBits++ {
|
||||
var subset []T
|
||||
for object := uint(0); object < length; object++ {
|
||||
if (subsetBits>>object)&1 == 1 {
|
||||
subset = append(subset, set[object])
|
||||
}
|
||||
}
|
||||
subsets = append(subsets, subset)
|
||||
}
|
||||
return subsets
|
||||
}
|
172
hooks/sql/options.go
Normal file
172
hooks/sql/options.go
Normal file
@@ -0,0 +1,172 @@
|
||||
package sql
|
||||
|
||||
import (
|
||||
"context"
|
||||
"fmt"
|
||||
"time"
|
||||
|
||||
"go.unistack.org/micro/v4/logger"
|
||||
"go.unistack.org/micro/v4/meter"
|
||||
"go.unistack.org/micro/v4/tracer"
|
||||
)
|
||||
|
||||
var (
|
||||
// DefaultMeterStatsInterval holds default stats interval
|
||||
DefaultMeterStatsInterval = 5 * time.Second
|
||||
// DefaultLoggerObserver used to prepare labels for logger
|
||||
DefaultLoggerObserver = func(ctx context.Context, method string, query string, td time.Duration, err error) []interface{} {
|
||||
labels := []interface{}{"db.method", method, "took", fmt.Sprintf("%v", td)}
|
||||
if err != nil {
|
||||
labels = append(labels, "error", err.Error())
|
||||
}
|
||||
if query != labelUnknown {
|
||||
labels = append(labels, "query", query)
|
||||
}
|
||||
return labels
|
||||
}
|
||||
)
|
||||
|
||||
var (
|
||||
MaxOpenConnections = "micro_sql_max_open_conn"
|
||||
OpenConnections = "micro_sql_open_conn"
|
||||
InuseConnections = "micro_sql_inuse_conn"
|
||||
IdleConnections = "micro_sql_idle_conn"
|
||||
WaitConnections = "micro_sql_waited_conn"
|
||||
BlockedSeconds = "micro_sql_blocked_seconds"
|
||||
MaxIdleClosed = "micro_sql_max_idle_closed"
|
||||
MaxIdletimeClosed = "micro_sql_closed_max_idle"
|
||||
MaxLifetimeClosed = "micro_sql_closed_max_lifetime"
|
||||
|
||||
meterRequestTotal = "micro_sql_request_total"
|
||||
meterRequestLatencyMicroseconds = "micro_sql_latency_microseconds"
|
||||
meterRequestDurationSeconds = "micro_sql_request_duration_seconds"
|
||||
|
||||
labelUnknown = "unknown"
|
||||
labelQuery = "db_statement"
|
||||
labelMethod = "db_method"
|
||||
labelStatus = "status"
|
||||
labelSuccess = "success"
|
||||
labelFailure = "failure"
|
||||
labelHost = "db_host"
|
||||
labelDatabase = "db_name"
|
||||
)
|
||||
|
||||
// Options struct holds wrapper options
|
||||
type Options struct {
|
||||
Logger logger.Logger
|
||||
Meter meter.Meter
|
||||
Tracer tracer.Tracer
|
||||
DatabaseHost string
|
||||
DatabaseName string
|
||||
MeterStatsInterval time.Duration
|
||||
LoggerLevel logger.Level
|
||||
LoggerEnabled bool
|
||||
LoggerObserver func(ctx context.Context, method string, name string, td time.Duration, err error) []interface{}
|
||||
}
|
||||
|
||||
// Option func signature
|
||||
type Option func(*Options)
|
||||
|
||||
// NewOptions create new Options struct from provided option slice
|
||||
func NewOptions(opts ...Option) Options {
|
||||
options := Options{
|
||||
Logger: logger.DefaultLogger,
|
||||
Meter: meter.DefaultMeter,
|
||||
Tracer: tracer.DefaultTracer,
|
||||
MeterStatsInterval: DefaultMeterStatsInterval,
|
||||
LoggerLevel: logger.ErrorLevel,
|
||||
LoggerObserver: DefaultLoggerObserver,
|
||||
}
|
||||
for _, o := range opts {
|
||||
o(&options)
|
||||
}
|
||||
|
||||
options.Meter = options.Meter.Clone(
|
||||
meter.Labels(
|
||||
labelHost, options.DatabaseHost,
|
||||
labelDatabase, options.DatabaseName,
|
||||
),
|
||||
)
|
||||
|
||||
options.Logger = options.Logger.Clone(logger.WithAddCallerSkipCount(1))
|
||||
|
||||
return options
|
||||
}
|
||||
|
||||
// MetricInterval specifies stats interval for *sql.DB
|
||||
func MetricInterval(td time.Duration) Option {
|
||||
return func(o *Options) {
|
||||
o.MeterStatsInterval = td
|
||||
}
|
||||
}
|
||||
|
||||
func DatabaseHost(host string) Option {
|
||||
return func(o *Options) {
|
||||
o.DatabaseHost = host
|
||||
}
|
||||
}
|
||||
|
||||
func DatabaseName(name string) Option {
|
||||
return func(o *Options) {
|
||||
o.DatabaseName = name
|
||||
}
|
||||
}
|
||||
|
||||
// Meter passes meter.Meter to wrapper
|
||||
func Meter(m meter.Meter) Option {
|
||||
return func(o *Options) {
|
||||
o.Meter = m
|
||||
}
|
||||
}
|
||||
|
||||
// Logger passes logger.Logger to wrapper
|
||||
func Logger(l logger.Logger) Option {
|
||||
return func(o *Options) {
|
||||
o.Logger = l
|
||||
}
|
||||
}
|
||||
|
||||
// LoggerEnabled enable sql logging
|
||||
func LoggerEnabled(b bool) Option {
|
||||
return func(o *Options) {
|
||||
o.LoggerEnabled = b
|
||||
}
|
||||
}
|
||||
|
||||
// LoggerLevel passes logger.Level option
|
||||
func LoggerLevel(lvl logger.Level) Option {
|
||||
return func(o *Options) {
|
||||
o.LoggerLevel = lvl
|
||||
}
|
||||
}
|
||||
|
||||
// LoggerObserver passes observer to fill logger fields
|
||||
func LoggerObserver(obs func(context.Context, string, string, time.Duration, error) []interface{}) Option {
|
||||
return func(o *Options) {
|
||||
o.LoggerObserver = obs
|
||||
}
|
||||
}
|
||||
|
||||
// Tracer passes tracer.Tracer to wrapper
|
||||
func Tracer(t tracer.Tracer) Option {
|
||||
return func(o *Options) {
|
||||
o.Tracer = t
|
||||
}
|
||||
}
|
||||
|
||||
type queryNameKey struct{}
|
||||
|
||||
// QueryName passes query name to wrapper func
|
||||
func QueryName(ctx context.Context, name string) context.Context {
|
||||
if ctx == nil {
|
||||
ctx = context.Background()
|
||||
}
|
||||
return context.WithValue(ctx, queryNameKey{}, name)
|
||||
}
|
||||
|
||||
func getQueryName(ctx context.Context) string {
|
||||
if v, ok := ctx.Value(queryNameKey{}).(string); ok && v != labelUnknown {
|
||||
return v
|
||||
}
|
||||
return getCallerName()
|
||||
}
|
41
hooks/sql/stats.go
Normal file
41
hooks/sql/stats.go
Normal file
@@ -0,0 +1,41 @@
|
||||
package sql
|
||||
|
||||
import (
|
||||
"context"
|
||||
"database/sql"
|
||||
"time"
|
||||
)
|
||||
|
||||
type Statser interface {
|
||||
Stats() sql.DBStats
|
||||
}
|
||||
|
||||
func NewStatsMeter(ctx context.Context, db Statser, opts ...Option) {
|
||||
options := NewOptions(opts...)
|
||||
|
||||
go func() {
|
||||
ticker := time.NewTicker(options.MeterStatsInterval)
|
||||
defer ticker.Stop()
|
||||
|
||||
for {
|
||||
select {
|
||||
case <-ctx.Done():
|
||||
return
|
||||
case <-ticker.C:
|
||||
if db == nil {
|
||||
return
|
||||
}
|
||||
stats := db.Stats()
|
||||
options.Meter.Counter(MaxOpenConnections).Set(uint64(stats.MaxOpenConnections))
|
||||
options.Meter.Counter(OpenConnections).Set(uint64(stats.OpenConnections))
|
||||
options.Meter.Counter(InuseConnections).Set(uint64(stats.InUse))
|
||||
options.Meter.Counter(IdleConnections).Set(uint64(stats.Idle))
|
||||
options.Meter.Counter(WaitConnections).Set(uint64(stats.WaitCount))
|
||||
options.Meter.FloatCounter(BlockedSeconds).Set(stats.WaitDuration.Seconds())
|
||||
options.Meter.Counter(MaxIdleClosed).Set(uint64(stats.MaxIdleClosed))
|
||||
options.Meter.Counter(MaxIdletimeClosed).Set(uint64(stats.MaxIdleTimeClosed))
|
||||
options.Meter.Counter(MaxLifetimeClosed).Set(uint64(stats.MaxLifetimeClosed))
|
||||
}
|
||||
}
|
||||
}()
|
||||
}
|
287
hooks/sql/stmt.go
Normal file
287
hooks/sql/stmt.go
Normal file
@@ -0,0 +1,287 @@
|
||||
package sql
|
||||
|
||||
import (
|
||||
"context"
|
||||
"database/sql/driver"
|
||||
"fmt"
|
||||
"time"
|
||||
|
||||
requestid "go.unistack.org/micro/v4/hooks/requestid"
|
||||
"go.unistack.org/micro/v4/tracer"
|
||||
)
|
||||
|
||||
var (
|
||||
_ driver.Stmt = (*wrapperStmt)(nil)
|
||||
_ driver.StmtQueryContext = (*wrapperStmt)(nil)
|
||||
_ driver.StmtExecContext = (*wrapperStmt)(nil)
|
||||
_ driver.NamedValueChecker = (*wrapperStmt)(nil)
|
||||
)
|
||||
|
||||
// wrapperStmt defines a wrapper for driver.Stmt
|
||||
type wrapperStmt struct {
|
||||
stmt driver.Stmt
|
||||
opts Options
|
||||
query string
|
||||
ctx context.Context
|
||||
}
|
||||
|
||||
// Close implements driver.Stmt Close
|
||||
func (w *wrapperStmt) Close() error {
|
||||
var ctx context.Context
|
||||
if w.ctx != nil {
|
||||
ctx = w.ctx
|
||||
} else {
|
||||
ctx = context.Background()
|
||||
}
|
||||
_ = ctx
|
||||
labels := []string{labelMethod, "Close"}
|
||||
ts := time.Now()
|
||||
err := w.stmt.Close()
|
||||
td := time.Since(ts)
|
||||
te := td.Seconds()
|
||||
if err != nil {
|
||||
w.opts.Meter.Counter(meterRequestTotal, append(labels, labelStatus, labelFailure)...).Inc()
|
||||
} else {
|
||||
w.opts.Meter.Counter(meterRequestTotal, append(labels, labelStatus, labelSuccess)...).Inc()
|
||||
}
|
||||
w.opts.Meter.Summary(meterRequestLatencyMicroseconds, labels...).Update(te)
|
||||
w.opts.Meter.Histogram(meterRequestDurationSeconds, labels...).Update(te)
|
||||
/*
|
||||
if w.opts.LoggerEnabled && w.opts.Logger.V(w.opts.LoggerLevel) {
|
||||
w.opts.Logger.Log(ctx, w.opts.LoggerLevel, w.opts.LoggerObserver(ctx, "Close", getCallerName(), td, err)...)
|
||||
}
|
||||
*/
|
||||
return err
|
||||
}
|
||||
|
||||
// NumInput implements driver.Stmt NumInput
|
||||
func (w *wrapperStmt) NumInput() int {
|
||||
return w.stmt.NumInput()
|
||||
}
|
||||
|
||||
// CheckNamedValue implements driver.NamedValueChecker
|
||||
func (w *wrapperStmt) CheckNamedValue(v *driver.NamedValue) error {
|
||||
s, ok := w.stmt.(driver.NamedValueChecker)
|
||||
if !ok {
|
||||
return driver.ErrSkip
|
||||
}
|
||||
return s.CheckNamedValue(v)
|
||||
}
|
||||
|
||||
// Exec implements driver.Stmt Exec
|
||||
func (w *wrapperStmt) Exec(args []driver.Value) (driver.Result, error) {
|
||||
var ctx context.Context
|
||||
if w.ctx != nil {
|
||||
ctx = w.ctx
|
||||
} else {
|
||||
ctx = context.Background()
|
||||
}
|
||||
_ = ctx
|
||||
labels := []string{labelMethod, "Exec"}
|
||||
ts := time.Now()
|
||||
res, err := w.stmt.Exec(args) // nolint:staticcheck
|
||||
td := time.Since(ts)
|
||||
te := td.Seconds()
|
||||
if err != nil {
|
||||
w.opts.Meter.Counter(meterRequestTotal, append(labels, labelStatus, labelFailure)...).Inc()
|
||||
} else {
|
||||
w.opts.Meter.Counter(meterRequestTotal, append(labels, labelStatus, labelSuccess)...).Inc()
|
||||
}
|
||||
w.opts.Meter.Summary(meterRequestLatencyMicroseconds, labels...).Update(te)
|
||||
w.opts.Meter.Histogram(meterRequestDurationSeconds, labels...).Update(te)
|
||||
/*
|
||||
if w.opts.LoggerEnabled && w.opts.Logger.V(w.opts.LoggerLevel) {
|
||||
w.opts.Logger.Log(ctx, w.opts.LoggerLevel, w.opts.LoggerObserver(ctx, "Exec", getCallerName(), td, err)...)
|
||||
}
|
||||
*/
|
||||
return res, err
|
||||
}
|
||||
|
||||
// Query implements driver.Stmt Query
|
||||
func (w *wrapperStmt) Query(args []driver.Value) (driver.Rows, error) {
|
||||
var ctx context.Context
|
||||
if w.ctx != nil {
|
||||
ctx = w.ctx
|
||||
} else {
|
||||
ctx = context.Background()
|
||||
}
|
||||
_ = ctx
|
||||
labels := []string{labelMethod, "Query"}
|
||||
ts := time.Now()
|
||||
rows, err := w.stmt.Query(args) // nolint:staticcheck
|
||||
td := time.Since(ts)
|
||||
te := td.Seconds()
|
||||
if err != nil {
|
||||
w.opts.Meter.Counter(meterRequestTotal, append(labels, labelStatus, labelFailure)...).Inc()
|
||||
} else {
|
||||
w.opts.Meter.Counter(meterRequestTotal, append(labels, labelStatus, labelSuccess)...).Inc()
|
||||
}
|
||||
w.opts.Meter.Summary(meterRequestLatencyMicroseconds, labels...).Update(te)
|
||||
w.opts.Meter.Histogram(meterRequestDurationSeconds, labels...).Update(te)
|
||||
/*
|
||||
if w.opts.LoggerEnabled && w.opts.Logger.V(w.opts.LoggerLevel) {
|
||||
w.opts.Logger.Log(ctx, w.opts.LoggerLevel, w.opts.LoggerObserver(ctx, "Query", getCallerName(), td, err)...)
|
||||
}
|
||||
*/
|
||||
return rows, err
|
||||
}
|
||||
|
||||
// ColumnConverter implements driver.ColumnConverter
|
||||
func (w *wrapperStmt) ColumnConverter(idx int) driver.ValueConverter {
|
||||
s, ok := w.stmt.(driver.ColumnConverter) // nolint:staticcheck
|
||||
if !ok {
|
||||
return nil
|
||||
}
|
||||
return s.ColumnConverter(idx)
|
||||
}
|
||||
|
||||
// ExecContext implements driver.StmtExecContext ExecContext
|
||||
func (w *wrapperStmt) ExecContext(ctx context.Context, args []driver.NamedValue) (driver.Result, error) {
|
||||
var nctx context.Context
|
||||
var span tracer.Span
|
||||
|
||||
name := getQueryName(ctx)
|
||||
if w.ctx != nil {
|
||||
nctx, span = w.opts.Tracer.Start(w.ctx, "sdk.database", tracer.WithSpanKind(tracer.SpanKindClient))
|
||||
} else {
|
||||
nctx, span = w.opts.Tracer.Start(ctx, "sdk.database", tracer.WithSpanKind(tracer.SpanKindClient))
|
||||
}
|
||||
span.AddLabels("db.method", "ExecContext")
|
||||
span.AddLabels("db.statement", name)
|
||||
defer span.Finish()
|
||||
if len(args) > 0 {
|
||||
span.AddLabels("db.args", fmt.Sprintf("%v", namedValueToLabels(args)))
|
||||
}
|
||||
if id, ok := ctx.Value(requestid.XRequestIDKey{}).(string); ok {
|
||||
span.AddLabels("x-request-id", id)
|
||||
}
|
||||
labels := []string{labelMethod, "ExecContext", labelQuery, name}
|
||||
|
||||
if conn, ok := w.stmt.(driver.StmtExecContext); ok {
|
||||
ts := time.Now()
|
||||
res, err := conn.ExecContext(nctx, args)
|
||||
td := time.Since(ts)
|
||||
te := td.Seconds()
|
||||
if err != nil {
|
||||
w.opts.Meter.Counter(meterRequestTotal, append(labels, labelStatus, labelFailure)...).Inc()
|
||||
span.SetStatus(tracer.SpanStatusError, err.Error())
|
||||
} else {
|
||||
w.opts.Meter.Counter(meterRequestTotal, append(labels, labelStatus, labelSuccess)...).Inc()
|
||||
}
|
||||
w.opts.Meter.Summary(meterRequestLatencyMicroseconds, labels...).Update(te)
|
||||
w.opts.Meter.Histogram(meterRequestDurationSeconds, labels...).Update(te)
|
||||
/*
|
||||
if w.opts.LoggerEnabled && w.opts.Logger.V(w.opts.LoggerLevel) {
|
||||
w.opts.Logger.Log(ctx, w.opts.LoggerLevel, w.opts.LoggerObserver(ctx, "ExecContext", name, td, err)...)
|
||||
}
|
||||
*/
|
||||
return res, err
|
||||
}
|
||||
|
||||
values, err := namedValueToValue(args)
|
||||
if err != nil {
|
||||
w.opts.Meter.Counter(meterRequestTotal, append(labels, labelStatus, labelFailure)...).Inc()
|
||||
span.SetStatus(tracer.SpanStatusError, err.Error())
|
||||
/*
|
||||
if w.opts.LoggerEnabled && w.opts.Logger.V(w.opts.LoggerLevel) {
|
||||
w.opts.Logger.Log(ctx, w.opts.LoggerLevel, w.opts.LoggerObserver(ctx, "ExecContext", name, 0, err)...)
|
||||
}
|
||||
*/
|
||||
return nil, err
|
||||
}
|
||||
ts := time.Now()
|
||||
res, err := w.Exec(values) // nolint:staticcheck
|
||||
td := time.Since(ts)
|
||||
te := td.Seconds()
|
||||
if err != nil {
|
||||
w.opts.Meter.Counter(meterRequestTotal, append(labels, labelStatus, labelFailure)...).Inc()
|
||||
span.SetStatus(tracer.SpanStatusError, err.Error())
|
||||
} else {
|
||||
w.opts.Meter.Counter(meterRequestTotal, append(labels, labelStatus, labelSuccess)...).Inc()
|
||||
}
|
||||
|
||||
w.opts.Meter.Summary(meterRequestLatencyMicroseconds, labels...).Update(te)
|
||||
w.opts.Meter.Histogram(meterRequestDurationSeconds, labels...).Update(te)
|
||||
/*
|
||||
if w.opts.LoggerEnabled && w.opts.Logger.V(w.opts.LoggerLevel) {
|
||||
w.opts.Logger.Log(ctx, w.opts.LoggerLevel, w.opts.LoggerObserver(ctx, "ExecContext", name, td, err)...)
|
||||
}
|
||||
*/
|
||||
return res, err
|
||||
}
|
||||
|
||||
// QueryContext implements driver.StmtQueryContext StmtQueryContext
|
||||
func (w *wrapperStmt) QueryContext(ctx context.Context, args []driver.NamedValue) (driver.Rows, error) {
|
||||
var nctx context.Context
|
||||
var span tracer.Span
|
||||
|
||||
name := getQueryName(ctx)
|
||||
if w.ctx != nil {
|
||||
nctx, span = w.opts.Tracer.Start(w.ctx, "sdk.database", tracer.WithSpanKind(tracer.SpanKindClient))
|
||||
} else {
|
||||
nctx, span = w.opts.Tracer.Start(ctx, "sdk.database", tracer.WithSpanKind(tracer.SpanKindClient))
|
||||
}
|
||||
span.AddLabels("db.method", "QueryContext")
|
||||
span.AddLabels("db.statement", name)
|
||||
defer span.Finish()
|
||||
if len(args) > 0 {
|
||||
span.AddLabels("db.args", fmt.Sprintf("%v", namedValueToLabels(args)))
|
||||
}
|
||||
if id, ok := ctx.Value(requestid.XRequestIDKey{}).(string); ok {
|
||||
span.AddLabels("x-request-id", id)
|
||||
}
|
||||
labels := []string{labelMethod, "QueryContext", labelQuery, name}
|
||||
if conn, ok := w.stmt.(driver.StmtQueryContext); ok {
|
||||
ts := time.Now()
|
||||
rows, err := conn.QueryContext(nctx, args)
|
||||
td := time.Since(ts)
|
||||
te := td.Seconds()
|
||||
if err != nil {
|
||||
w.opts.Meter.Counter(meterRequestTotal, append(labels, labelStatus, labelFailure)...).Inc()
|
||||
span.SetStatus(tracer.SpanStatusError, err.Error())
|
||||
} else {
|
||||
w.opts.Meter.Counter(meterRequestTotal, append(labels, labelStatus, labelSuccess)...).Inc()
|
||||
}
|
||||
|
||||
w.opts.Meter.Summary(meterRequestLatencyMicroseconds, labels...).Update(te)
|
||||
w.opts.Meter.Histogram(meterRequestDurationSeconds, labels...).Update(te)
|
||||
/*
|
||||
if w.opts.LoggerEnabled && w.opts.Logger.V(w.opts.LoggerLevel) {
|
||||
w.opts.Logger.Log(ctx, w.opts.LoggerLevel, w.opts.LoggerObserver(ctx, "QueryContext", name, td, err)...)
|
||||
}
|
||||
*/
|
||||
return rows, err
|
||||
}
|
||||
|
||||
values, err := namedValueToValue(args)
|
||||
if err != nil {
|
||||
w.opts.Meter.Counter(meterRequestTotal, append(labels, labelStatus, labelFailure)...).Inc()
|
||||
|
||||
span.SetStatus(tracer.SpanStatusError, err.Error())
|
||||
/*
|
||||
if w.opts.LoggerEnabled && w.opts.Logger.V(w.opts.LoggerLevel) {
|
||||
w.opts.Logger.Log(ctx, w.opts.LoggerLevel, w.opts.LoggerObserver(ctx, "QueryContext", name, 0, err)...)
|
||||
}
|
||||
*/
|
||||
return nil, err
|
||||
}
|
||||
ts := time.Now()
|
||||
rows, err := w.Query(values) // nolint:staticcheck
|
||||
td := time.Since(ts)
|
||||
te := td.Seconds()
|
||||
if err != nil {
|
||||
w.opts.Meter.Counter(meterRequestTotal, append(labels, labelStatus, labelFailure)...).Inc()
|
||||
span.SetStatus(tracer.SpanStatusError, err.Error())
|
||||
} else {
|
||||
w.opts.Meter.Counter(meterRequestTotal, append(labels, labelStatus, labelSuccess)...).Inc()
|
||||
}
|
||||
|
||||
w.opts.Meter.Summary(meterRequestLatencyMicroseconds, labels...).Update(te)
|
||||
w.opts.Meter.Histogram(meterRequestDurationSeconds, labels...).Update(te)
|
||||
/*
|
||||
if w.opts.LoggerEnabled && w.opts.Logger.V(w.opts.LoggerLevel) {
|
||||
w.opts.Logger.Log(ctx, w.opts.LoggerLevel, w.opts.LoggerObserver(ctx, "QueryContext", name, td, err)...)
|
||||
}
|
||||
*/
|
||||
return rows, err
|
||||
}
|
63
hooks/sql/tx.go
Normal file
63
hooks/sql/tx.go
Normal file
@@ -0,0 +1,63 @@
|
||||
package sql
|
||||
|
||||
import (
|
||||
"context"
|
||||
"database/sql/driver"
|
||||
"time"
|
||||
|
||||
"go.unistack.org/micro/v4/tracer"
|
||||
)
|
||||
|
||||
var _ driver.Tx = (*wrapperTx)(nil)
|
||||
|
||||
// wrapperTx defines a wrapper for driver.Tx
|
||||
type wrapperTx struct {
|
||||
tx driver.Tx
|
||||
span tracer.Span
|
||||
opts Options
|
||||
ctx context.Context
|
||||
}
|
||||
|
||||
// Commit implements driver.Tx Commit
|
||||
func (w *wrapperTx) Commit() error {
|
||||
ts := time.Now()
|
||||
err := w.tx.Commit()
|
||||
td := time.Since(ts)
|
||||
_ = td
|
||||
if w.span != nil {
|
||||
if err != nil {
|
||||
w.span.SetStatus(tracer.SpanStatusError, err.Error())
|
||||
}
|
||||
w.span.Finish()
|
||||
}
|
||||
/*
|
||||
if w.opts.LoggerEnabled && w.opts.Logger.V(w.opts.LoggerLevel) {
|
||||
w.opts.Logger.Log(w.ctx, w.opts.LoggerLevel, w.opts.LoggerObserver(w.ctx, "Commit", getCallerName(), td, err)...)
|
||||
}
|
||||
*/
|
||||
w.ctx = nil
|
||||
|
||||
return err
|
||||
}
|
||||
|
||||
// Rollback implements driver.Tx Rollback
|
||||
func (w *wrapperTx) Rollback() error {
|
||||
ts := time.Now()
|
||||
err := w.tx.Rollback()
|
||||
td := time.Since(ts)
|
||||
_ = td
|
||||
if w.span != nil {
|
||||
if err != nil {
|
||||
w.span.SetStatus(tracer.SpanStatusError, err.Error())
|
||||
}
|
||||
w.span.Finish()
|
||||
}
|
||||
/*
|
||||
if w.opts.LoggerEnabled && w.opts.Logger.V(w.opts.LoggerLevel) {
|
||||
w.opts.Logger.Log(w.ctx, w.opts.LoggerLevel, w.opts.LoggerObserver(w.ctx, "Rollback", getCallerName(), td, err)...)
|
||||
}
|
||||
*/
|
||||
w.ctx = nil
|
||||
|
||||
return err
|
||||
}
|
19
hooks/sql/wrap.go
Normal file
19
hooks/sql/wrap.go
Normal file
@@ -0,0 +1,19 @@
|
||||
package sql
|
||||
|
||||
import (
|
||||
"database/sql/driver"
|
||||
)
|
||||
|
||||
/*
|
||||
func wrapDriver(d driver.Driver, opts Options) driver.Driver {
|
||||
if _, ok := d.(driver.DriverContext); ok {
|
||||
return &wrapperDriver{driver: d, opts: opts}
|
||||
}
|
||||
return struct{ driver.Driver }{&wrapperDriver{driver: d, opts: opts}}
|
||||
}
|
||||
*/
|
||||
|
||||
// WrapConn allows an existing driver.Conn to be wrapped.
|
||||
func WrapConn(c driver.Conn, opts ...Option) driver.Conn {
|
||||
return wrapConn(c, NewOptions(opts...))
|
||||
}
|
20699
hooks/sql/wrap_gen.go
Normal file
20699
hooks/sql/wrap_gen.go
Normal file
File diff suppressed because it is too large
Load Diff
Reference in New Issue
Block a user