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Author SHA1 Message Date
4459bfa1a0 Merge pull request 'add mwrite func' (#109) from mwrite into master
Reviewed-on: #109
2023-10-21 00:58:08 +03:00
b90361e48a add MWrite func
Signed-off-by: Vasiliy Tolstov <v.tolstov@unistack.org>
2023-10-21 00:57:12 +03:00
8 changed files with 236 additions and 844 deletions

1
.gitignore vendored
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@@ -1 +0,0 @@
.idea

22
go.mod
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@@ -1,24 +1,14 @@
module go.unistack.org/micro-store-redis/v3
module go.unistack.org/micro-store-redis/v4
go 1.21
toolchain go1.22.4
go 1.20
require (
github.com/redis/go-redis/extra/rediscmd/v9 v9.5.3
github.com/redis/go-redis/v9 v9.6.1
go.unistack.org/micro/v3 v3.10.95
github.com/redis/go-redis/v9 v9.2.1
go.unistack.org/micro/v4 v4.0.7
)
require (
dario.cat/mergo v1.0.0 // indirect
github.com/cespare/xxhash/v2 v2.3.0 // indirect
github.com/cespare/xxhash/v2 v2.2.0 // indirect
github.com/dgryski/go-rendezvous v0.0.0-20200823014737-9f7001d12a5f // indirect
github.com/golang/protobuf v1.5.3 // indirect
github.com/google/uuid v1.3.0 // indirect
github.com/silas/dag v0.0.0-20220518035006-a7e85ada93c5 // indirect
go.unistack.org/micro-proto/v3 v3.4.1 // indirect
google.golang.org/genproto/googleapis/rpc v0.0.0-20230526203410-71b5a4ffd15e // indirect
google.golang.org/grpc v1.57.0 // indirect
google.golang.org/protobuf v1.34.2 // indirect
github.com/patrickmn/go-cache v2.1.0+incompatible // indirect
)

45
go.sum
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@@ -1,45 +1,12 @@
dario.cat/mergo v1.0.0 h1:AGCNq9Evsj31mOgNPcLyXc+4PNABt905YmuqPYYpBWk=
dario.cat/mergo v1.0.0/go.mod h1:uNxQE+84aUszobStD9th8a29P2fMDhsBdgRYvZOxGmk=
github.com/bsm/ginkgo/v2 v2.12.0 h1:Ny8MWAHyOepLGlLKYmXG4IEkioBysk6GpaRTLC8zwWs=
github.com/bsm/ginkgo/v2 v2.12.0/go.mod h1:SwYbGRRDovPVboqFv0tPTcG1sN61LM1Z4ARdbAV9g4c=
github.com/bsm/gomega v1.27.10 h1:yeMWxP2pV2fG3FgAODIY8EiRE3dy0aeFYt4l7wh6yKA=
github.com/bsm/gomega v1.27.10/go.mod h1:JyEr/xRbxbtgWNi8tIEVPUYZ5Dzef52k01W3YH0H+O0=
github.com/cespare/xxhash/v2 v2.2.0 h1:DC2CZ1Ep5Y4k3ZQ899DldepgrayRUGE6BBZ/cd9Cj44=
github.com/cespare/xxhash/v2 v2.2.0/go.mod h1:VGX0DQ3Q6kWi7AoAeZDth3/j3BFtOZR5XLFGgcrjCOs=
github.com/cespare/xxhash/v2 v2.3.0 h1:UL815xU9SqsFlibzuggzjXhog7bL6oX9BbNZnL2UFvs=
github.com/cespare/xxhash/v2 v2.3.0/go.mod h1:VGX0DQ3Q6kWi7AoAeZDth3/j3BFtOZR5XLFGgcrjCOs=
github.com/dgryski/go-rendezvous v0.0.0-20200823014737-9f7001d12a5f h1:lO4WD4F/rVNCu3HqELle0jiPLLBs70cWOduZpkS1E78=
github.com/dgryski/go-rendezvous v0.0.0-20200823014737-9f7001d12a5f/go.mod h1:cuUVRXasLTGF7a8hSLbxyZXjz+1KgoB3wDUb6vlszIc=
github.com/golang/protobuf v1.5.0/go.mod h1:FsONVRAS9T7sI+LIUmWTfcYkHO4aIWwzhcaSAoJOfIk=
github.com/golang/protobuf v1.5.3 h1:KhyjKVUg7Usr/dYsdSqoFveMYd5ko72D+zANwlG1mmg=
github.com/golang/protobuf v1.5.3/go.mod h1:XVQd3VNwM+JqD3oG2Ue2ip4fOMUkwXdXDdiuN0vRsmY=
github.com/google/go-cmp v0.5.5/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
github.com/google/uuid v1.3.0 h1:t6JiXgmwXMjEs8VusXIJk2BXHsn+wx8BZdTaoZ5fu7I=
github.com/google/uuid v1.3.0/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
github.com/redis/go-redis/extra/rediscmd/v9 v9.5.3 h1:1/BDligzCa40GTllkDnY3Y5DTHuKCONbB2JcRyIfl20=
github.com/redis/go-redis/extra/rediscmd/v9 v9.5.3/go.mod h1:3dZmcLn3Qw6FLlWASn1g4y+YO9ycEFUOM+bhBmzLVKQ=
github.com/redis/go-redis/v9 v9.5.3 h1:fOAp1/uJG+ZtcITgZOfYFmTKPE7n4Vclj1wZFgRciUU=
github.com/redis/go-redis/v9 v9.5.3/go.mod h1:hdY0cQFCN4fnSYT6TkisLufl/4W5UIXyv0b/CLO2V2M=
github.com/redis/go-redis/v9 v9.6.1 h1:HHDteefn6ZkTtY5fGUE8tj8uy85AHk6zP7CpzIAM0y4=
github.com/redis/go-redis/v9 v9.6.1/go.mod h1:0C0c6ycQsdpVNQpxb1njEQIqkx5UcsM8FJCQLgE9+RA=
github.com/silas/dag v0.0.0-20220518035006-a7e85ada93c5 h1:G/FZtUu7a6NTWl3KUHMV9jkLAh/Rvtf03NWMHaEDl+E=
github.com/silas/dag v0.0.0-20220518035006-a7e85ada93c5/go.mod h1:7RTUFBdIRC9nZ7/3RyRNH1bdqIShrDejd1YbLwgPS+I=
go.unistack.org/micro-proto/v3 v3.4.1 h1:UTjLSRz2YZuaHk9iSlVqqsA50JQNAEK2ZFboGqtEa9Q=
go.unistack.org/micro-proto/v3 v3.4.1/go.mod h1:okx/cnOhzuCX0ggl/vToatbCupi0O44diiiLLsZ93Zo=
go.unistack.org/micro/v3 v3.10.80 h1:A0zWNoM9MOcMg9gdFFgVkgbT3uSYVIINhuvumX9nP2o=
go.unistack.org/micro/v3 v3.10.80/go.mod h1:erMgt3Bl7vQQ0e9UpQyR5NlLiZ9pKeEJ9+1tfYFaqUg=
go.unistack.org/micro/v3 v3.10.94 h1:t9J+vw6rNOQdEPFPeUvhyxlUyL+LEt9dTV/bjSEaxMI=
go.unistack.org/micro/v3 v3.10.94/go.mod h1:erMgt3Bl7vQQ0e9UpQyR5NlLiZ9pKeEJ9+1tfYFaqUg=
go.unistack.org/micro/v3 v3.10.95 h1:KQse+ZpntbuzA8cH6Pz7CdvWYVdKzcR34gjnkDrHiso=
go.unistack.org/micro/v3 v3.10.95/go.mod h1:erMgt3Bl7vQQ0e9UpQyR5NlLiZ9pKeEJ9+1tfYFaqUg=
golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
google.golang.org/genproto/googleapis/rpc v0.0.0-20230526203410-71b5a4ffd15e h1:NumxXLPfHSndr3wBBdeKiVHjGVFzi9RX2HwwQke94iY=
google.golang.org/genproto/googleapis/rpc v0.0.0-20230526203410-71b5a4ffd15e/go.mod h1:66JfowdXAEgad5O9NnYcsNPLCPZJD++2L9X0PCMODrA=
google.golang.org/grpc v1.57.0 h1:kfzNeI/klCGD2YPMUlaGNT3pxvYfga7smW3Vth8Zsiw=
google.golang.org/grpc v1.57.0/go.mod h1:Sd+9RMTACXwmub0zcNY2c4arhtrbBYD1AUHI/dt16Mo=
google.golang.org/protobuf v1.26.0-rc.1/go.mod h1:jlhhOSvTdKEhbULTjvd4ARK9grFBp09yW+WbY/TyQbw=
google.golang.org/protobuf v1.26.0/go.mod h1:9q0QmTI4eRPtz6boOQmLYwt+qCgq0jsYwAQnmE0givc=
google.golang.org/protobuf v1.34.2 h1:6xV6lTsCfpGD21XK49h7MhtcApnLqkfYgPcdHftf6hg=
google.golang.org/protobuf v1.34.2/go.mod h1:qYOHts0dSfpeUzUFpOMr/WGzszTmLH+DiWniOlNbLDw=
gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
github.com/patrickmn/go-cache v2.1.0+incompatible h1:HRMgzkcYKYpi3C8ajMPV8OFXaaRUnok+kx1WdO15EQc=
github.com/patrickmn/go-cache v2.1.0+incompatible/go.mod h1:3Qf8kWWT7OJRJbdiICTKqZju1ZixQ/KpMGzzAfe6+WQ=
github.com/redis/go-redis/v9 v9.2.1 h1:WlYJg71ODF0dVspZZCpYmoF1+U1Jjk9Rwd7pq6QmlCg=
github.com/redis/go-redis/v9 v9.2.1/go.mod h1:hdY0cQFCN4fnSYT6TkisLufl/4W5UIXyv0b/CLO2V2M=
go.unistack.org/micro/v4 v4.0.7 h1:2lwtZlHcSwgkahhFbkI4x1lOS79lw8uLHtcEhlFF+AM=
go.unistack.org/micro/v4 v4.0.7/go.mod h1:bVEYTlPi0EsdgZZt311bIroDg9ict7ky3C87dSCCAGk=

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@@ -1,67 +1,18 @@
package redis
import (
goredis "github.com/redis/go-redis/v9"
"go.unistack.org/micro/v3/logger"
"go.unistack.org/micro/v3/meter"
"go.unistack.org/micro/v3/store"
"go.unistack.org/micro/v3/tracer"
"github.com/redis/go-redis/v9"
"go.unistack.org/micro/v4/options"
)
type configKey struct{}
func Config(c *goredis.Options) store.Option {
return store.SetOption(configKey{}, c)
func Config(c *redis.Options) options.Option {
return options.ContextOption(configKey{}, c)
}
type clusterConfigKey struct{}
func ClusterConfig(c *goredis.ClusterOptions) store.Option {
return store.SetOption(clusterConfigKey{}, c)
}
type universalConfigKey struct{}
func UniversalConfig(c *goredis.UniversalOptions) store.Option {
return store.SetOption(universalConfigKey{}, c)
}
var (
labelHost = "redis_host"
labelName = "redis_name"
)
// Options struct holds wrapper options
type Options struct {
Logger logger.Logger
Meter meter.Meter
Tracer tracer.Tracer
RedisHost string
RedisName string
}
// 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,
}
for _, o := range opts {
o(&options)
}
options.Meter = options.Meter.Clone(
meter.Labels(
labelHost, options.RedisHost,
labelName, options.RedisName),
)
options.Logger = options.Logger.Clone(logger.WithCallerSkipCount(1))
return options
func ClusterConfig(c *redis.ClusterOptions) options.Option {
return options.ContextOption(clusterConfigKey{}, c)
}

720
redis.go
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@@ -2,260 +2,135 @@ package redis
import (
"context"
"fmt"
"reflect"
"strings"
"time"
goredis "github.com/redis/go-redis/v9"
"go.unistack.org/micro/v3/semconv"
"go.unistack.org/micro/v3/store"
pool "go.unistack.org/micro/v3/util/xpool"
)
var (
DefaultPathSeparator = "/"
DefaultUniversalOptions = &goredis.UniversalOptions{
Username: "",
Password: "", // no password set
MaxRetries: 2,
MaxRetryBackoff: 256 * time.Millisecond,
DialTimeout: 1 * time.Second,
ReadTimeout: 1 * time.Second,
WriteTimeout: 1 * time.Second,
PoolTimeout: 1 * time.Second,
MinIdleConns: 10,
}
DefaultClusterOptions = &goredis.ClusterOptions{
Username: "",
Password: "", // no password set
MaxRetries: 2,
MaxRetryBackoff: 256 * time.Millisecond,
DialTimeout: 1 * time.Second,
ReadTimeout: 1 * time.Second,
WriteTimeout: 1 * time.Second,
PoolTimeout: 1 * time.Second,
MinIdleConns: 10,
}
DefaultOptions = &goredis.Options{
Username: "",
Password: "", // no password set
DB: 0, // use default DB
MaxRetries: 2,
MaxRetryBackoff: 256 * time.Millisecond,
DialTimeout: 1 * time.Second,
ReadTimeout: 1 * time.Second,
WriteTimeout: 1 * time.Second,
PoolTimeout: 1 * time.Second,
MinIdleConns: 10,
}
"github.com/redis/go-redis/v9"
"go.unistack.org/micro/v4/options"
"go.unistack.org/micro/v4/store"
)
type Store struct {
opts store.Options
cli goredis.UniversalClient
done chan struct{}
pool *pool.StringsPool
cli redisClient
}
type redisClient interface {
Get(ctx context.Context, key string) *redis.StringCmd
Del(ctx context.Context, keys ...string) *redis.IntCmd
Set(ctx context.Context, key string, value interface{}, expiration time.Duration) *redis.StatusCmd
Keys(ctx context.Context, pattern string) *redis.StringSliceCmd
MGet(ctx context.Context, keys ...string) *redis.SliceCmd
MSet(ctx context.Context, kv ...interface{}) *redis.StatusCmd
Exists(ctx context.Context, keys ...string) *redis.IntCmd
Ping(ctx context.Context) *redis.StatusCmd
Pipeline() redis.Pipeliner
Pipelined(ctx context.Context, fn func(redis.Pipeliner) error) ([]redis.Cmder, error)
Close() error
}
func (r *Store) Connect(ctx context.Context) error {
if r.cli == nil {
return store.ErrNotConnected
}
err := r.cli.Ping(ctx).Err()
setSpanError(ctx, err)
return err
return r.cli.Ping(ctx).Err()
}
func (r *Store) Init(opts ...store.Option) error {
func (r *Store) Init(opts ...options.Option) error {
for _, o := range opts {
o(&r.opts)
}
err := r.configure()
if err != nil {
return err
}
return nil
}
func (r *Store) Client() *goredis.Client {
if c, ok := r.cli.(*goredis.Client); ok {
return c
}
return nil
}
func (r *Store) UniversalClient() goredis.UniversalClient {
return r.cli
}
func (r *Store) ClusterClient() *goredis.ClusterClient {
if c, ok := r.cli.(*goredis.ClusterClient); ok {
return c
}
return nil
return r.configure()
}
func (r *Store) Disconnect(ctx context.Context) error {
var err error
select {
case <-r.done:
return err
default:
if r.cli != nil {
err = r.cli.Close()
}
close(r.done)
return err
}
return r.cli.Close()
}
func (r *Store) Exists(ctx context.Context, key string, opts ...store.ExistsOption) error {
b := r.pool.Get()
defer r.pool.Put(b)
options := store.NewExistsOptions(opts...)
timeout := r.opts.Timeout
if options.Timeout > 0 {
timeout = options.Timeout
}
if timeout > 0 {
func (r *Store) Exists(ctx context.Context, key string, opts ...options.Option) error {
if r.opts.Timeout > 0 {
var cancel context.CancelFunc
ctx, cancel = context.WithTimeout(ctx, timeout)
ctx, cancel = context.WithTimeout(ctx, r.opts.Timeout)
defer cancel()
}
rkey := r.getKey(b, r.opts.Namespace, options.Namespace, key)
r.opts.Meter.Counter(semconv.StoreRequestInflight, "name", options.Name).Inc()
ts := time.Now()
val, err := r.cli.Exists(ctx, rkey).Result()
setSpanError(ctx, err)
te := time.Since(ts)
r.opts.Meter.Counter(semconv.StoreRequestInflight, "name", options.Name).Dec()
r.opts.Meter.Summary(semconv.StoreRequestLatencyMicroseconds, "name", options.Name).Update(te.Seconds())
r.opts.Meter.Histogram(semconv.StoreRequestDurationSeconds, "name", options.Name).Update(te.Seconds())
if err == goredis.Nil || (err == nil && val == 0) {
r.opts.Meter.Counter(semconv.StoreRequestTotal, "name", options.Name, "status", "miss").Inc()
return store.ErrNotFound
} else if err == nil {
r.opts.Meter.Counter(semconv.StoreRequestTotal, "name", options.Name, "status", "hit").Inc()
} else if err != nil {
r.opts.Meter.Counter(semconv.StoreRequestTotal, "name", options.Name, "status", "failure").Inc()
options := store.NewExistsOptions(opts...)
if len(options.Namespace) == 0 {
options.Namespace = r.opts.Namespace
}
if options.Namespace != "" {
key = fmt.Sprintf("%s%s", r.opts.Namespace, key)
}
val, err := r.cli.Exists(ctx, key).Result()
if err != nil {
return err
}
if val == 0 {
return store.ErrNotFound
}
return nil
}
func (r *Store) Read(ctx context.Context, key string, val interface{}, opts ...store.ReadOption) error {
b := r.pool.Get()
defer r.pool.Put(b)
options := store.NewReadOptions(opts...)
timeout := r.opts.Timeout
if options.Timeout > 0 {
timeout = options.Timeout
}
if timeout > 0 {
func (r *Store) Read(ctx context.Context, key string, val interface{}, opts ...options.Option) error {
if r.opts.Timeout > 0 {
var cancel context.CancelFunc
ctx, cancel = context.WithTimeout(ctx, timeout)
ctx, cancel = context.WithTimeout(ctx, r.opts.Timeout)
defer cancel()
}
options := store.NewReadOptions(opts...)
if len(options.Namespace) == 0 {
options.Namespace = r.opts.Namespace
}
if options.Namespace != "" {
key = fmt.Sprintf("%s%s", options.Namespace, key)
}
rkey := r.getKey(b, r.opts.Namespace, options.Namespace, key)
r.opts.Meter.Counter(semconv.StoreRequestInflight, "name", options.Name).Inc()
ts := time.Now()
buf, err := r.cli.Get(ctx, rkey).Bytes()
setSpanError(ctx, err)
te := time.Since(ts)
r.opts.Meter.Counter(semconv.StoreRequestInflight, "name", options.Name).Dec()
r.opts.Meter.Summary(semconv.StoreRequestLatencyMicroseconds, "name", options.Name).Update(te.Seconds())
r.opts.Meter.Histogram(semconv.StoreRequestDurationSeconds, "name", options.Name).Update(te.Seconds())
if err == goredis.Nil || (err == nil && buf == nil) {
r.opts.Meter.Counter(semconv.StoreRequestTotal, "name", options.Name, "status", "miss").Inc()
buf, err := r.cli.Get(ctx, key).Bytes()
if err != nil && err == redis.Nil {
return store.ErrNotFound
} else if err == nil {
r.opts.Meter.Counter(semconv.StoreRequestTotal, "name", options.Name, "status", "hit").Inc()
} else if err != nil {
r.opts.Meter.Counter(semconv.StoreRequestTotal, "name", options.Name, "status", "failure").Inc()
return err
}
switch b := val.(type) {
case *[]byte:
*b = buf
case *string:
*b = string(buf)
default:
if err = r.opts.Codec.Unmarshal(buf, val); err != nil {
setSpanError(ctx, err)
}
if buf == nil {
return store.ErrNotFound
}
return err
return r.opts.Codec.Unmarshal(buf, val)
}
func (r *Store) MRead(ctx context.Context, keys []string, vals interface{}, opts ...store.ReadOption) error {
options := store.NewReadOptions(opts...)
timeout := r.opts.Timeout
if options.Timeout > 0 {
timeout = options.Timeout
func (r *Store) MRead(ctx context.Context, keys []string, vals interface{}, opts ...options.Option) error {
if len(keys) == 1 {
vt := reflect.ValueOf(vals)
if vt.Kind() == reflect.Ptr {
vt = reflect.Indirect(vt)
return r.Read(ctx, keys[0], vt.Index(0).Interface(), opts...)
}
}
if timeout > 0 {
if r.opts.Timeout > 0 {
var cancel context.CancelFunc
ctx, cancel = context.WithTimeout(ctx, timeout)
ctx, cancel = context.WithTimeout(ctx, r.opts.Timeout)
defer cancel()
}
var rkeys []string
var pools []*strings.Builder
if r.opts.Namespace != "" || options.Namespace != "" {
rkeys = make([]string, len(keys))
pools = make([]*strings.Builder, len(keys))
for idx, key := range keys {
b := r.pool.Get()
pools[idx] = b
rkeys[idx] = r.getKey(b, r.opts.Namespace, options.Namespace, key)
options := store.NewReadOptions(opts...)
rkeys := make([]string, 0, len(keys))
if len(options.Namespace) == 0 {
options.Namespace = r.opts.Namespace
}
for _, key := range keys {
if options.Namespace != "" {
rkeys = append(rkeys, fmt.Sprintf("%s%s", options.Namespace, key))
} else {
rkeys = append(rkeys, key)
}
}
r.opts.Meter.Counter(semconv.StoreRequestInflight, "name", options.Name).Inc()
ts := time.Now()
var rvals []interface{}
var err error
if r.opts.Namespace != "" || options.Namespace != "" {
rvals, err = r.cli.MGet(ctx, rkeys...).Result()
for idx := range pools {
r.pool.Put(pools[idx])
}
} else {
rvals, err = r.cli.MGet(ctx, keys...).Result()
}
setSpanError(ctx, err)
te := time.Since(ts)
r.opts.Meter.Counter(semconv.StoreRequestInflight, "name", options.Name).Dec()
r.opts.Meter.Summary(semconv.StoreRequestLatencyMicroseconds, "name", options.Name).Update(te.Seconds())
r.opts.Meter.Histogram(semconv.StoreRequestDurationSeconds, "name", options.Name).Update(te.Seconds())
if err == goredis.Nil || (len(rvals) == 0) {
r.opts.Meter.Counter(semconv.StoreRequestTotal, "name", options.Name, "status", "miss").Inc()
rvals, err := r.cli.MGet(ctx, rkeys...).Result()
if err != nil && err == redis.Nil {
return store.ErrNotFound
} else if err == nil {
r.opts.Meter.Counter(semconv.StoreRequestTotal, "name", options.Name, "status", "hit").Inc()
} else if err != nil {
r.opts.Meter.Counter(semconv.StoreRequestTotal, "name", options.Name, "status", "failure").Inc()
return err
}
if len(rvals) == 0 {
return store.ErrNotFound
}
vv := reflect.ValueOf(vals)
vt := reflect.TypeOf(vals)
@@ -285,137 +160,77 @@ func (r *Store) MRead(ctx context.Context, keys []string, vals interface{}, opts
// special case for raw data
if vt.Kind() == reflect.Slice && vt.Elem().Kind() == reflect.Uint8 {
itm.Set(reflect.MakeSlice(itm.Type(), len(buf), len(buf)))
itm.SetBytes(buf)
continue
} else if vt.Kind() == reflect.String {
itm.SetString(string(buf))
continue
} else {
itm.Set(reflect.New(vt.Elem()))
}
itm.Set(reflect.New(vt.Elem()))
if err = r.opts.Codec.Unmarshal(buf, itm.Interface()); err != nil {
setSpanError(ctx, err)
return err
}
}
vv.Set(nvv)
return nil
}
func (r *Store) MDelete(ctx context.Context, keys []string, opts ...store.DeleteOption) error {
options := store.NewDeleteOptions(opts...)
timeout := r.opts.Timeout
if options.Timeout > 0 {
timeout = options.Timeout
func (r *Store) MDelete(ctx context.Context, keys []string, opts ...options.Option) error {
if len(keys) == 1 {
return r.Delete(ctx, keys[0], opts...)
}
if timeout > 0 {
if r.opts.Timeout > 0 {
var cancel context.CancelFunc
ctx, cancel = context.WithTimeout(ctx, timeout)
ctx, cancel = context.WithTimeout(ctx, r.opts.Timeout)
defer cancel()
}
var rkeys []string
var pools []*strings.Builder
if r.opts.Namespace != "" || options.Namespace != "" {
rkeys = make([]string, len(keys))
pools = make([]*strings.Builder, len(keys))
for idx, key := range keys {
b := r.pool.Get()
pools[idx] = b
rkeys[idx] = r.getKey(b, r.opts.Namespace, options.Namespace, key)
}
options := store.NewDeleteOptions(opts...)
if len(options.Namespace) == 0 {
options.Namespace = r.opts.Namespace
}
r.opts.Meter.Counter(semconv.StoreRequestInflight, "name", options.Name).Inc()
ts := time.Now()
var err error
if r.opts.Namespace != "" || options.Namespace != "" {
err = r.cli.Del(ctx, rkeys...).Err()
for idx := range pools {
r.pool.Put(pools[idx])
}
} else {
err = r.cli.Del(ctx, keys...).Err()
if options.Namespace == "" {
return r.cli.Del(ctx, keys...).Err()
}
setSpanError(ctx, err)
te := time.Since(ts)
r.opts.Meter.Counter(semconv.StoreRequestInflight, "name", options.Name).Dec()
r.opts.Meter.Summary(semconv.StoreRequestLatencyMicroseconds, "name", options.Name).Update(te.Seconds())
r.opts.Meter.Histogram(semconv.StoreRequestDurationSeconds, "name", options.Name).Update(te.Seconds())
if err == goredis.Nil {
r.opts.Meter.Counter(semconv.StoreRequestTotal, "name", options.Name, "status", "miss").Inc()
return store.ErrNotFound
} else if err == nil {
r.opts.Meter.Counter(semconv.StoreRequestTotal, "name", options.Name, "status", "hit").Inc()
} else if err != nil {
r.opts.Meter.Counter(semconv.StoreRequestTotal, "name", options.Name, "status", "failure").Inc()
return err
for idx := range keys {
keys[idx] = options.Namespace + keys[idx]
}
return nil
return r.cli.Del(ctx, keys...).Err()
}
func (r *Store) Delete(ctx context.Context, key string, opts ...store.DeleteOption) error {
b := r.pool.Get()
defer r.pool.Put(b)
options := store.NewDeleteOptions(opts...)
timeout := r.opts.Timeout
if options.Timeout > 0 {
timeout = options.Timeout
}
if timeout > 0 {
func (r *Store) Delete(ctx context.Context, key string, opts ...options.Option) error {
if r.opts.Timeout > 0 {
var cancel context.CancelFunc
ctx, cancel = context.WithTimeout(ctx, timeout)
ctx, cancel = context.WithTimeout(ctx, r.opts.Timeout)
defer cancel()
}
r.opts.Meter.Counter(semconv.StoreRequestInflight, "name", options.Name).Inc()
ts := time.Now()
err := r.cli.Del(ctx, r.getKey(b, r.opts.Namespace, options.Namespace, key)).Err()
te := time.Since(ts)
setSpanError(ctx, err)
r.opts.Meter.Counter(semconv.StoreRequestInflight, "name", options.Name).Dec()
r.opts.Meter.Summary(semconv.StoreRequestLatencyMicroseconds, "name", options.Name).Update(te.Seconds())
r.opts.Meter.Histogram(semconv.StoreRequestDurationSeconds, "name", options.Name).Update(te.Seconds())
if err == goredis.Nil {
r.opts.Meter.Counter(semconv.StoreRequestTotal, "name", options.Name, "status", "miss").Inc()
return store.ErrNotFound
} else if err == nil {
r.opts.Meter.Counter(semconv.StoreRequestTotal, "name", options.Name, "status", "hit").Inc()
} else if err != nil {
r.opts.Meter.Counter(semconv.StoreRequestTotal, "name", options.Name, "status", "failure").Inc()
return err
options := store.NewDeleteOptions(opts...)
if len(options.Namespace) == 0 {
options.Namespace = r.opts.Namespace
}
return nil
if options.Namespace == "" {
return r.cli.Del(ctx, key).Err()
}
return r.cli.Del(ctx, fmt.Sprintf("%s%s", options.Namespace, key)).Err()
}
func (r *Store) MWrite(ctx context.Context, keys []string, vals []interface{}, opts ...store.WriteOption) error {
func (r *Store) MWrite(ctx context.Context, keys []string, vals []interface{}, opts ...options.Option) error {
if len(keys) == 1 {
return r.Write(ctx, keys[0], vals[0], opts...)
}
if r.opts.Timeout > 0 {
var cancel context.CancelFunc
ctx, cancel = context.WithTimeout(ctx, r.opts.Timeout)
defer cancel()
}
options := store.NewWriteOptions(opts...)
timeout := r.opts.Timeout
if options.Timeout > 0 {
timeout = options.Timeout
}
if timeout > 0 {
var cancel context.CancelFunc
ctx, cancel = context.WithTimeout(ctx, timeout)
defer cancel()
}
kvs := make([]string, 0, len(keys)*2)
pools := make([]*strings.Builder, len(keys))
if len(options.Namespace) == 0 {
options.Namespace = r.opts.Namespace
}
for idx, key := range keys {
b := r.pool.Get()
pools[idx] = b
kvs = append(kvs, r.getKey(b, r.opts.Namespace, options.Namespace, key))
if options.Namespace != "" {
kvs = append(kvs, fmt.Sprintf("%s%s", options.Namespace, key))
} else {
kvs = append(kvs, key)
}
switch vt := vals[idx].(type) {
case string:
@@ -431,47 +246,18 @@ func (r *Store) MWrite(ctx context.Context, keys []string, vals []interface{}, o
}
}
r.opts.Meter.Counter(semconv.StoreRequestInflight, "name", options.Name).Inc()
pipeliner := func(pipe goredis.Pipeliner) error {
cmds, err := r.cli.Pipelined(ctx, func(pipe redis.Pipeliner) error {
for idx := 0; idx < len(kvs); idx += 2 {
if _, err := pipe.Set(ctx, kvs[idx], kvs[idx+1], options.TTL).Result(); err != nil {
setSpanError(ctx, err)
return err
}
pipe.Set(ctx, kvs[idx], kvs[idx+1], options.TTL).Result()
}
return nil
}
ts := time.Now()
cmds, err := r.cli.Pipelined(ctx, pipeliner)
for idx := range pools {
r.pool.Put(pools[idx])
}
te := time.Since(ts)
setSpanError(ctx, err)
r.opts.Meter.Counter(semconv.StoreRequestInflight, "name", options.Name).Dec()
r.opts.Meter.Summary(semconv.StoreRequestLatencyMicroseconds, "name", options.Name).Update(te.Seconds())
r.opts.Meter.Histogram(semconv.StoreRequestDurationSeconds, "name", options.Name).Update(te.Seconds())
if err == goredis.Nil {
r.opts.Meter.Counter(semconv.StoreRequestTotal, "name", options.Name, "status", "miss").Inc()
return store.ErrNotFound
} else if err == nil {
r.opts.Meter.Counter(semconv.StoreRequestTotal, "name", options.Name, "status", "hit").Inc()
} else if err != nil {
r.opts.Meter.Counter(semconv.StoreRequestTotal, "name", options.Name, "status", "failure").Inc()
})
if err != nil {
return err
}
for _, cmd := range cmds {
if err = cmd.Err(); err != nil {
if err == goredis.Nil {
r.opts.Meter.Counter(semconv.StoreRequestTotal, "name", options.Name, "status", "miss").Inc()
return store.ErrNotFound
}
setSpanError(ctx, err)
r.opts.Meter.Counter(semconv.StoreRequestTotal, "name", options.Name, "status", "failure").Inc()
return err
}
}
@@ -479,24 +265,17 @@ func (r *Store) MWrite(ctx context.Context, keys []string, vals []interface{}, o
return nil
}
func (r *Store) Write(ctx context.Context, key string, val interface{}, opts ...store.WriteOption) error {
b := r.pool.Get()
defer r.pool.Put(b)
options := store.NewWriteOptions(opts...)
timeout := r.opts.Timeout
if options.Timeout > 0 {
timeout = options.Timeout
}
if timeout > 0 {
func (r *Store) Write(ctx context.Context, key string, val interface{}, opts ...options.Option) error {
if r.opts.Timeout > 0 {
var cancel context.CancelFunc
ctx, cancel = context.WithTimeout(ctx, timeout)
ctx, cancel = context.WithTimeout(ctx, r.opts.Timeout)
defer cancel()
}
rkey := r.getKey(b, r.opts.Namespace, options.Namespace, key)
options := store.NewWriteOptions(opts...)
if len(options.Namespace) == 0 {
options.Namespace = r.opts.Namespace
}
var buf []byte
switch vt := val.(type) {
@@ -512,100 +291,42 @@ func (r *Store) Write(ctx context.Context, key string, val interface{}, opts ...
}
}
r.opts.Meter.Counter(semconv.StoreRequestInflight, "name", options.Name).Inc()
ts := time.Now()
err := r.cli.Set(ctx, rkey, buf, options.TTL).Err()
te := time.Since(ts)
setSpanError(ctx, err)
r.opts.Meter.Counter(semconv.StoreRequestInflight, "name", options.Name).Dec()
r.opts.Meter.Summary(semconv.StoreRequestLatencyMicroseconds, "name", options.Name).Update(te.Seconds())
r.opts.Meter.Histogram(semconv.StoreRequestDurationSeconds, "name", options.Name).Update(te.Seconds())
if err == goredis.Nil {
r.opts.Meter.Counter(semconv.StoreRequestTotal, "name", options.Name, "status", "miss").Inc()
return store.ErrNotFound
} else if err == nil {
r.opts.Meter.Counter(semconv.StoreRequestTotal, "name", options.Name, "status", "hit").Inc()
} else if err != nil {
r.opts.Meter.Counter(semconv.StoreRequestTotal, "name", options.Name, "status", "failure").Inc()
return err
if options.Namespace != "" {
key = fmt.Sprintf("%s%s", options.Namespace, key)
}
return err
return r.cli.Set(ctx, key, buf, options.TTL).Err()
}
func (r *Store) List(ctx context.Context, opts ...store.ListOption) ([]string, error) {
b := r.pool.Get()
defer r.pool.Put(b)
func (r *Store) List(ctx context.Context, opts ...options.Option) ([]string, error) {
options := store.NewListOptions(opts...)
if len(options.Namespace) == 0 {
options.Namespace = r.opts.Namespace
}
rkey := r.getKey(b, options.Namespace, "", options.Prefix+"*")
rkey := fmt.Sprintf("%s%s*", options.Namespace, options.Prefix)
if options.Suffix != "" {
rkey += options.Suffix
}
timeout := r.opts.Timeout
if options.Timeout > 0 {
timeout = options.Timeout
}
if timeout > 0 {
if r.opts.Timeout > 0 {
var cancel context.CancelFunc
ctx, cancel = context.WithTimeout(ctx, timeout)
ctx, cancel = context.WithTimeout(ctx, r.opts.Timeout)
defer cancel()
}
// TODO: add support for prefix/suffix/limit
r.opts.Meter.Counter(semconv.StoreRequestInflight, "name", options.Name).Inc()
ts := time.Now()
var keys []string
var err error
if c, ok := r.cli.(*goredis.ClusterClient); ok {
err = c.ForEachMaster(ctx, func(nctx context.Context, cli *goredis.Client) error {
nkeys, nerr := cli.Keys(nctx, rkey).Result()
if nerr != nil {
return nerr
}
keys = append(keys, nkeys...)
return nil
})
} else {
keys, err = r.cli.Keys(ctx, rkey).Result()
}
te := time.Since(ts)
setSpanError(ctx, err)
r.opts.Meter.Counter(semconv.StoreRequestInflight, "name", options.Name).Dec()
r.opts.Meter.Summary(semconv.StoreRequestLatencyMicroseconds, "name", options.Name).Update(te.Seconds())
r.opts.Meter.Histogram(semconv.StoreRequestDurationSeconds, "name", options.Name).Update(te.Seconds())
if err == goredis.Nil {
r.opts.Meter.Counter(semconv.StoreRequestTotal, "name", options.Name, "status", "miss").Inc()
return nil, store.ErrNotFound
} else if err == nil {
r.opts.Meter.Counter(semconv.StoreRequestTotal, "name", options.Name, "status", "hit").Inc()
} else if err != nil {
r.opts.Meter.Counter(semconv.StoreRequestTotal, "name", options.Name, "status", "failure").Inc()
keys, err := r.cli.Keys(ctx, rkey).Result()
if err != nil {
return nil, err
}
prefix := r.opts.Namespace
if options.Namespace != "" {
prefix = options.Namespace
}
if prefix == "" {
if options.Namespace == "" {
return keys, nil
}
for idx, key := range keys {
keys[idx] = strings.TrimPrefix(key, prefix)
nkeys := make([]string, 0, len(keys))
for _, key := range keys {
nkeys = append(nkeys, strings.TrimPrefix(key, options.Namespace))
}
return keys, nil
return nkeys, nil
}
func (r *Store) Options() store.Options {
@@ -620,118 +341,89 @@ func (r *Store) String() string {
return "redis"
}
func NewStore(opts ...store.Option) *Store {
return &Store{done: make(chan struct{}), opts: store.NewOptions(opts...)}
func NewStore(opts ...options.Option) *Store {
return &Store{opts: store.NewOptions(opts...)}
}
func (r *Store) configure() error {
var universalOptions *goredis.UniversalOptions
var redisOptions *redis.Options
var redisClusterOptions *redis.ClusterOptions
var err error
nodes := r.opts.Address
if len(nodes) == 0 {
nodes = []string{"redis://127.0.0.1:6379"}
}
if r.cli != nil && r.opts.Context == nil {
return nil
}
if r.opts.Context != nil {
if o, ok := r.opts.Context.Value(configKey{}).(*goredis.Options); ok {
universalOptions.Addrs = []string{o.Addr}
universalOptions.Dialer = o.Dialer
universalOptions.OnConnect = o.OnConnect
universalOptions.Username = o.Username
universalOptions.Password = o.Password
universalOptions.MaxRetries = o.MaxRetries
universalOptions.MinRetryBackoff = o.MinRetryBackoff
universalOptions.MaxRetryBackoff = o.MaxRetryBackoff
universalOptions.DialTimeout = o.DialTimeout
universalOptions.ReadTimeout = o.ReadTimeout
universalOptions.WriteTimeout = o.WriteTimeout
universalOptions.ContextTimeoutEnabled = o.ContextTimeoutEnabled
universalOptions.PoolFIFO = o.PoolFIFO
universalOptions.PoolSize = o.PoolSize
universalOptions.PoolTimeout = o.PoolTimeout
universalOptions.MinIdleConns = o.MinIdleConns
universalOptions.MaxIdleConns = o.MaxIdleConns
universalOptions.ConnMaxIdleTime = o.ConnMaxIdleTime
universalOptions.ConnMaxLifetime = o.ConnMaxLifetime
if c, ok := r.opts.Context.Value(configKey{}).(*redis.Options); ok {
redisOptions = c
if r.opts.TLSConfig != nil {
universalOptions.TLSConfig = r.opts.TLSConfig
redisOptions.TLSConfig = r.opts.TLSConfig
}
}
if o, ok := r.opts.Context.Value(clusterConfigKey{}).(*goredis.ClusterOptions); ok {
universalOptions.Addrs = o.Addrs
universalOptions.Dialer = o.Dialer
universalOptions.OnConnect = o.OnConnect
universalOptions.Username = o.Username
universalOptions.Password = o.Password
universalOptions.MaxRedirects = o.MaxRedirects
universalOptions.ReadOnly = o.ReadOnly
universalOptions.RouteByLatency = o.RouteByLatency
universalOptions.RouteRandomly = o.RouteRandomly
universalOptions.MaxRetries = o.MaxRetries
universalOptions.MinRetryBackoff = o.MinRetryBackoff
universalOptions.MaxRetryBackoff = o.MaxRetryBackoff
universalOptions.DialTimeout = o.DialTimeout
universalOptions.ReadTimeout = o.ReadTimeout
universalOptions.WriteTimeout = o.WriteTimeout
universalOptions.ContextTimeoutEnabled = o.ContextTimeoutEnabled
universalOptions.PoolFIFO = o.PoolFIFO
universalOptions.PoolSize = o.PoolSize
universalOptions.PoolTimeout = o.PoolTimeout
universalOptions.MinIdleConns = o.MinIdleConns
universalOptions.MaxIdleConns = o.MaxIdleConns
universalOptions.ConnMaxIdleTime = o.ConnMaxIdleTime
universalOptions.ConnMaxLifetime = o.ConnMaxLifetime
if c, ok := r.opts.Context.Value(clusterConfigKey{}).(*redis.ClusterOptions); ok {
redisClusterOptions = c
if r.opts.TLSConfig != nil {
universalOptions.TLSConfig = r.opts.TLSConfig
}
}
if o, ok := r.opts.Context.Value(universalConfigKey{}).(*goredis.UniversalOptions); ok {
universalOptions = o
if r.opts.TLSConfig != nil {
universalOptions.TLSConfig = r.opts.TLSConfig
redisClusterOptions.TLSConfig = r.opts.TLSConfig
}
}
}
if universalOptions == nil {
universalOptions = DefaultUniversalOptions
if redisOptions != nil && redisClusterOptions != nil {
return fmt.Errorf("must specify only one option Config or ClusterConfig")
}
if len(r.opts.Addrs) > 0 {
universalOptions.Addrs = r.opts.Addrs
} else {
universalOptions.Addrs = []string{"redis://127.0.0.1:6379"}
if redisOptions == nil && redisClusterOptions == nil && r.cli != nil {
return nil
}
r.cli = goredis.NewUniversalClient(universalOptions)
setTracing(r.cli, r.opts.Tracer)
if redisOptions == nil && redisClusterOptions == nil && len(nodes) == 1 {
redisOptions, err = redis.ParseURL(nodes[0])
if err != nil {
// Backwards compatibility
redisOptions = &redis.Options{
Addr: nodes[0],
Username: "",
Password: "", // no password set
DB: 0, // use default DB
MaxRetries: 2,
MaxRetryBackoff: 256 * time.Millisecond,
DialTimeout: 1 * time.Second,
ReadTimeout: 1 * time.Second,
WriteTimeout: 1 * time.Second,
PoolTimeout: 1 * time.Second,
MinIdleConns: 10,
TLSConfig: r.opts.TLSConfig,
}
}
} else if redisOptions == nil && redisClusterOptions == nil && len(nodes) > 1 {
redisClusterOptions = &redis.ClusterOptions{
Addrs: nodes,
Username: "",
Password: "", // no password set
MaxRetries: 2,
MaxRetryBackoff: 256 * time.Millisecond,
DialTimeout: 1 * time.Second,
ReadTimeout: 1 * time.Second,
WriteTimeout: 1 * time.Second,
PoolTimeout: 1 * time.Second,
MinIdleConns: 10,
TLSConfig: r.opts.TLSConfig,
}
}
r.pool = pool.NewStringsPool(50)
r.statsMeter()
if redisOptions != nil {
r.cli = redis.NewClient(redisOptions)
} else if redisClusterOptions != nil {
r.cli = redis.NewClusterClient(redisClusterOptions)
}
return nil
}
func (r *Store) getKey(b *strings.Builder, mainNamespace string, opNamespace string, key string) string {
if opNamespace == "" {
opNamespace = mainNamespace
}
if opNamespace != "" {
b.WriteString(opNamespace)
b.WriteString(DefaultPathSeparator)
}
b.WriteString(key)
return b.String()
}

View File

@@ -7,42 +7,15 @@ import (
"testing"
"time"
goredis "github.com/redis/go-redis/v9"
"go.unistack.org/micro/v3/store"
"go.unistack.org/micro/v3/tracer"
"github.com/redis/go-redis/v9"
"go.unistack.org/micro/v4/options"
"go.unistack.org/micro/v4/store"
)
func TestKeepTTL(t *testing.T) {
ctx := context.Background()
if tr := os.Getenv("INTEGRATION_TESTS"); len(tr) > 0 {
t.Skip()
}
r := NewStore(store.Addrs(os.Getenv("STORE_NODES")))
if err := r.Init(); err != nil {
t.Fatal(err)
}
if err := r.Connect(ctx); err != nil {
t.Fatal(err)
}
key := "key"
err := r.Write(ctx, key, "val1", store.WriteTTL(15*time.Second))
if err != nil {
t.Fatalf("Write error: %v", err)
}
time.Sleep(3 * time.Second)
err = r.Write(ctx, key, "val2", store.WriteTTL(-1))
if err != nil {
t.Fatalf("Write error: %v", err)
}
}
func Test_rkv_configure(t *testing.T) {
type fields struct {
options store.Options
Client goredis.UniversalClient
Client *redis.Client
}
type wantValues struct {
username string
@@ -65,7 +38,7 @@ func Test_rkv_configure(t *testing.T) {
},
},
{
name: "legacy Url", fields: fields{options: store.Options{Tracer: tracer.DefaultTracer, Addrs: []string{"127.0.0.1:6379"}}, Client: nil},
name: "legacy Url", fields: fields{options: store.Options{Address: []string{"127.0.0.1:6379"}}, Client: nil},
wantErr: false, want: wantValues{
username: "",
password: "",
@@ -73,7 +46,7 @@ func Test_rkv_configure(t *testing.T) {
},
},
{
name: "New Url", fields: fields{options: store.Options{Tracer: tracer.DefaultTracer, Addrs: []string{"redis://127.0.0.1:6379"}}, Client: nil},
name: "New Url", fields: fields{options: store.Options{Address: []string{"redis://127.0.0.1:6379"}}, Client: nil},
wantErr: false, want: wantValues{
username: "",
password: "",
@@ -81,7 +54,7 @@ func Test_rkv_configure(t *testing.T) {
},
},
{
name: "Url with Pwd", fields: fields{options: store.Options{Tracer: tracer.DefaultTracer, Addrs: []string{"redis://:password@redis:6379"}}, Client: nil},
name: "Url with Pwd", fields: fields{options: store.Options{Address: []string{"redis://:password@redis:6379"}}, Client: nil},
wantErr: false, want: wantValues{
username: "",
password: "password",
@@ -89,7 +62,7 @@ func Test_rkv_configure(t *testing.T) {
},
},
{
name: "Url with username and Pwd", fields: fields{options: store.Options{Tracer: tracer.DefaultTracer, Addrs: []string{"redis://username:password@redis:6379"}}, Client: nil},
name: "Url with username and Pwd", fields: fields{options: store.Options{Address: []string{"redis://username:password@redis:6379"}}, Client: nil},
wantErr: false, want: wantValues{
username: "username",
password: "password",
@@ -99,11 +72,11 @@ func Test_rkv_configure(t *testing.T) {
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
rc := &Store{
r := &Store{
opts: tt.fields.options,
cli: tt.fields.Client,
}
err := rc.configure()
err := r.configure()
if (err != nil) != tt.wantErr {
t.Errorf("configure() error = %v, wantErr %v", err, tt.wantErr)
return
@@ -118,7 +91,7 @@ func Test_Store(t *testing.T) {
if tr := os.Getenv("INTEGRATION_TESTS"); len(tr) > 0 {
t.Skip()
}
r := NewStore(store.Addrs(os.Getenv("STORE_NODES")))
r := NewStore(options.Address(os.Getenv("STORE_NODES")))
if err := r.Init(); err != nil {
t.Fatal(err)
@@ -158,7 +131,7 @@ func Test_MRead(t *testing.T) {
if tr := os.Getenv("INTEGRATION_TESTS"); len(tr) > 0 {
t.Skip()
}
r := NewStore(store.Addrs(os.Getenv("STORE_NODES")))
r := NewStore(options.Address(os.Getenv("STORE_NODES")))
if err = r.Init(); err != nil {
t.Fatal(err)

View File

@@ -1,52 +0,0 @@
package redis
import (
"time"
goredis "github.com/redis/go-redis/v9"
"go.unistack.org/micro/v3/meter"
)
var (
PoolHitsTotal = "pool_hits_total"
PoolMissesTotal = "pool_misses_total"
PoolTimeoutTotal = "pool_timeout_total"
PoolConnTotalCurrent = "pool_conn_total_current"
PoolConnIdleCurrent = "pool_conn_idle_current"
PoolConnStaleTotal = "pool_conn_stale_total"
)
type Statser interface {
PoolStats() *goredis.PoolStats
}
func (r *Store) statsMeter() {
var st Statser
if r.cli != nil {
st = r.cli
} else {
return
}
go func() {
ticker := time.NewTicker(meter.DefaultMeterStatsInterval)
defer ticker.Stop()
for {
select {
case <-ticker.C:
if st == nil {
return
}
stats := st.PoolStats()
r.opts.Meter.Counter(PoolHitsTotal).Set(uint64(stats.Hits))
r.opts.Meter.Counter(PoolMissesTotal).Set(uint64(stats.Misses))
r.opts.Meter.Counter(PoolTimeoutTotal).Set(uint64(stats.Timeouts))
r.opts.Meter.Counter(PoolConnTotalCurrent).Set(uint64(stats.TotalConns))
r.opts.Meter.Counter(PoolConnIdleCurrent).Set(uint64(stats.IdleConns))
r.opts.Meter.Counter(PoolConnStaleTotal).Set(uint64(stats.StaleConns))
}
}
}()
}

128
tracer.go
View File

@@ -1,128 +0,0 @@
package redis
import (
"context"
"fmt"
"net"
"strconv"
rediscmd "github.com/redis/go-redis/extra/rediscmd/v9"
goredis "github.com/redis/go-redis/v9"
"go.unistack.org/micro/v3/tracer"
)
func setTracing(rdb goredis.UniversalClient, tr tracer.Tracer, opts ...tracer.SpanOption) {
switch rdb := rdb.(type) {
case *goredis.Client:
opt := rdb.Options()
connString := formatDBConnString(opt.Network, opt.Addr)
rdb.AddHook(newTracingHook(connString, tr))
case *goredis.ClusterClient:
rdb.OnNewNode(func(rdb *goredis.Client) {
opt := rdb.Options()
connString := formatDBConnString(opt.Network, opt.Addr)
rdb.AddHook(newTracingHook(connString, tr))
})
case *goredis.Ring:
rdb.OnNewNode(func(rdb *goredis.Client) {
opt := rdb.Options()
connString := formatDBConnString(opt.Network, opt.Addr)
rdb.AddHook(newTracingHook(connString, tr))
})
}
}
type tracingHook struct {
tr tracer.Tracer
opts []tracer.SpanOption
}
var _ goredis.Hook = (*tracingHook)(nil)
func newTracingHook(connString string, tr tracer.Tracer, opts ...tracer.SpanOption) *tracingHook {
opts = append(opts, tracer.WithSpanKind(tracer.SpanKindClient))
if connString != "" {
opts = append(opts, tracer.WithSpanLabels("db.connection_string", connString))
}
return &tracingHook{
tr: tr,
opts: opts,
}
}
func (h *tracingHook) DialHook(hook goredis.DialHook) goredis.DialHook {
return func(ctx context.Context, network, addr string) (net.Conn, error) {
/*
_, span := h.tr.Start(ctx, "goredis.dial", h.opts...)
defer span.Finish()
*/
conn, err := hook(ctx, network, addr)
// recordError(span, err)
return conn, err
}
}
func (h *tracingHook) ProcessHook(hook goredis.ProcessHook) goredis.ProcessHook {
return func(ctx context.Context, cmd goredis.Cmder) error {
cmdString := rediscmd.CmdString(cmd)
var err error
switch cmdString {
case "cluster slots":
break
default:
_, span := h.tr.Start(ctx, "goredis.process", append(h.opts, tracer.WithSpanLabels("db.statement", cmdString))...)
defer func() {
recordError(span, err)
span.Finish()
}()
}
err = hook(ctx, cmd)
return err
}
}
func (h *tracingHook) ProcessPipelineHook(hook goredis.ProcessPipelineHook) goredis.ProcessPipelineHook {
return func(ctx context.Context, cmds []goredis.Cmder) error {
_, cmdsString := rediscmd.CmdsString(cmds)
opts := append(h.opts, tracer.WithSpanLabels(
"db.goredis.num_cmd", strconv.Itoa(len(cmds)),
"db.statement", cmdsString,
))
_, span := h.tr.Start(ctx, "goredis.process_pipeline", opts...)
defer span.Finish()
err := hook(ctx, cmds)
recordError(span, err)
return err
}
}
func setSpanError(ctx context.Context, err error) {
if err == nil || err == goredis.Nil {
return
}
if sp, ok := tracer.SpanFromContext(ctx); !ok && sp != nil {
sp.SetStatus(tracer.SpanStatusError, err.Error())
}
}
func recordError(span tracer.Span, err error) {
if err != nil && err != goredis.Nil {
span.SetStatus(tracer.SpanStatusError, err.Error())
}
}
func formatDBConnString(network, addr string) string {
if network == "tcp" {
network = "redis"
}
return fmt.Sprintf("%s://%s", network, addr)
}