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rework cluster mode
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Browse Source 
Signed-off-by: Vasiliy Tolstov <v.tolstov@unistack.org>
This commit is contained in:
Василий Толстов 2024-04-23 09:30:35 +03:00
parent 62c2de51d4
commit de72a10973
2 changed files with 92 additions and 30 deletions
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119
redis.go
View File

@ -45,26 +45,20 @@ var (
type Store struct {
opts store.Options
cli redisClient
cli *wrappedClient
pool pool.Pool[*strings.Builder]
}
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
type wrappedClient struct {
*redis.Client
*redis.ClusterClient
}
func (r *Store) Connect(ctx context.Context) error {
return r.cli.Ping(ctx).Err()
if r.cli.Client != nil {
return r.cli.Client.Ping(ctx).Err()
}
return r.cli.ClusterClient.Ping(ctx).Err()
}
func (r *Store) Init(opts ...store.Option) error {
@ -75,12 +69,25 @@ func (r *Store) Init(opts ...store.Option) error {
return r.configure()
}
func (r *Store) Redis() *redis.Client {
return r.cli.(*redis.Client)
func (r *Store) Client() *redis.Client {
if r.cli.Client != nil {
return r.cli.Client
}
return nil
}
func (r *Store) ClusterClient() *redis.ClusterClient {
if r.cli.ClusterClient != nil {
return r.cli.ClusterClient
}
return nil
}
func (r *Store) Disconnect(ctx context.Context) error {
return r.cli.Close()
if r.cli.Client != nil {
return r.cli.Client.Close()
}
return r.cli.ClusterClient.Close()
}
func (r *Store) Exists(ctx context.Context, key string, opts ...store.ExistsOption) error {
@ -103,7 +110,13 @@ func (r *Store) Exists(ctx context.Context, key string, opts ...store.ExistsOpti
r.opts.Meter.Counter(semconv.CacheRequestInflight, "name", options.Name).Inc()
ts := time.Now()
val, err := r.cli.Exists(ctx, rkey).Result()
var err error
var val int64
if r.cli.Client != nil {
val, err = r.cli.Client.Exists(ctx, rkey).Result()
} else {
val, err = r.cli.ClusterClient.Exists(ctx, rkey).Result()
}
te := time.Since(ts)
r.opts.Meter.Counter(semconv.CacheRequestInflight, "name", options.Name).Dec()
r.opts.Meter.Summary(semconv.CacheRequestLatencyMicroseconds, "name", options.Name).Update(te.Seconds())
@ -142,7 +155,13 @@ func (r *Store) Read(ctx context.Context, key string, val interface{}, opts ...s
r.opts.Meter.Counter(semconv.CacheRequestInflight, "name", options.Name).Inc()
ts := time.Now()
buf, err := r.cli.Get(ctx, rkey).Bytes()
var buf []byte
var err error
if r.cli.Client != nil {
buf, err = r.cli.Client.Get(ctx, rkey).Bytes()
} else {
buf, err = r.cli.ClusterClient.Get(ctx, rkey).Bytes()
}
te := time.Since(ts)
r.opts.Meter.Counter(semconv.CacheRequestInflight, "name", options.Name).Dec()
r.opts.Meter.Summary(semconv.CacheRequestLatencyMicroseconds, "name", options.Name).Update(te.Seconds())
@ -197,7 +216,13 @@ func (r *Store) MRead(ctx context.Context, keys []string, vals interface{}, opts
r.opts.Meter.Counter(semconv.CacheRequestInflight, "name", options.Name).Inc()
ts := time.Now()
rvals, err := r.cli.MGet(ctx, keys...).Result()
var rvals []interface{}
var err error
if r.cli.Client != nil {
rvals, err = r.cli.Client.MGet(ctx, keys...).Result()
} else {
rvals, err = r.cli.ClusterClient.MGet(ctx, keys...).Result()
}
te := time.Since(ts)
r.opts.Meter.Counter(semconv.CacheRequestInflight, "name", options.Name).Dec()
r.opts.Meter.Summary(semconv.CacheRequestLatencyMicroseconds, "name", options.Name).Update(te.Seconds())
@ -284,7 +309,12 @@ func (r *Store) MDelete(ctx context.Context, keys []string, opts ...store.Delete
r.opts.Meter.Counter(semconv.CacheRequestInflight, "name", options.Name).Inc()
ts := time.Now()
err := r.cli.Del(ctx, keys...).Err()
var err error
if r.cli.Client != nil {
err = r.cli.Client.Del(ctx, keys...).Err()
} else {
err = r.cli.ClusterClient.Del(ctx, keys...).Err()
}
te := time.Since(ts)
r.opts.Meter.Counter(semconv.CacheRequestInflight, "name", options.Name).Dec()
r.opts.Meter.Summary(semconv.CacheRequestLatencyMicroseconds, "name", options.Name).Update(te.Seconds())
@ -322,7 +352,12 @@ func (r *Store) Delete(ctx context.Context, key string, opts ...store.DeleteOpti
r.opts.Meter.Counter(semconv.CacheRequestInflight, "name", options.Name).Inc()
ts := time.Now()
err := r.cli.Del(ctx, r.getKey(r.opts.Namespace, options.Namespace, key)).Err()
var err error
if r.cli.Client != nil {
err = r.cli.Client.Del(ctx, r.getKey(r.opts.Namespace, options.Namespace, key)).Err()
} else {
err = r.cli.ClusterClient.Del(ctx, r.getKey(r.opts.Namespace, options.Namespace, key)).Err()
}
te := time.Since(ts)
r.opts.Meter.Counter(semconv.CacheRequestInflight, "name", options.Name).Dec()
r.opts.Meter.Summary(semconv.CacheRequestLatencyMicroseconds, "name", options.Name).Update(te.Seconds())
@ -381,14 +416,23 @@ func (r *Store) MWrite(ctx context.Context, keys []string, vals []interface{}, o
r.opts.Meter.Counter(semconv.CacheRequestInflight, "name", options.Name).Inc()
ts := time.Now()
cmds, err := r.cli.Pipelined(ctx, func(pipe redis.Pipeliner) error {
pipeliner := 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 {
return err
}
}
return nil
})
}
var err error
var cmds []redis.Cmder
if r.cli.Client != nil {
cmds, err = r.cli.Client.Pipelined(ctx, pipeliner)
} else {
cmds, err = r.cli.ClusterClient.Pipelined(ctx, pipeliner)
}
te := time.Since(ts)
r.opts.Meter.Counter(semconv.CacheRequestInflight, "name", options.Name).Dec()
@ -455,7 +499,12 @@ func (r *Store) Write(ctx context.Context, key string, val interface{}, opts ...
r.opts.Meter.Counter(semconv.CacheRequestInflight, "name", options.Name).Inc()
ts := time.Now()
err := r.cli.Set(ctx, rkey, buf, options.TTL).Err()
var err error
if r.cli.Client != nil {
err = r.cli.Client.Set(ctx, rkey, buf, options.TTL).Err()
} else {
err = r.cli.ClusterClient.Set(ctx, rkey, buf, options.TTL).Err()
}
te := time.Since(ts)
r.opts.Meter.Counter(semconv.CacheRequestInflight, "name", options.Name).Dec()
r.opts.Meter.Summary(semconv.CacheRequestLatencyMicroseconds, "name", options.Name).Update(te.Seconds())
@ -502,7 +551,21 @@ func (r *Store) List(ctx context.Context, opts ...store.ListOption) ([]string, e
// TODO: add support for prefix/suffix/limit
r.opts.Meter.Counter(semconv.CacheRequestInflight, "name", options.Name).Inc()
ts := time.Now()
keys, err := r.cli.Keys(ctx, rkey).Result()
var keys []string
var err error
if r.cli.Client != nil {
keys, err = r.cli.Client.Keys(ctx, rkey).Result()
} else {
err = r.cli.ClusterClient.ForEachMaster(ctx, func(nctx context.Context, cli *redis.Client) error {
nkeys, nerr := cli.Keys(nctx, rkey).Result()
if nerr != nil {
return nerr
}
keys = append(keys, nkeys...)
return nil
})
}
te := time.Since(ts)
r.opts.Meter.Counter(semconv.CacheRequestInflight, "name", options.Name).Dec()
r.opts.Meter.Summary(semconv.CacheRequestLatencyMicroseconds, "name", options.Name).Update(te.Seconds())
@ -602,9 +665,9 @@ func (r *Store) configure() error {
}
if redisOptions != nil {
r.cli = redis.NewClient(redisOptions)
r.cli = &wrappedClient{Client: redis.NewClient(redisOptions)}
} else if redisClusterOptions != nil {
r.cli = redis.NewClusterClient(redisClusterOptions)
r.cli = &wrappedClient{ClusterClient: redis.NewClusterClient(redisClusterOptions)}
}
r.pool = pool.NewPool(func() *strings.Builder { return &strings.Builder{} })

3
redis_test.go
View File

@ -7,14 +7,13 @@ import (
"testing"
"time"
"github.com/redis/go-redis/v9"
"go.unistack.org/micro/v3/store"
)
func Test_rkv_configure(t *testing.T) {
type fields struct {
options store.Options
Client *redis.Client
Client *wrappedClient
}
type wantValues struct {
username string