milvus/internal/util/funcutil/func.go
Cai Yudong cf50e9ac55
Use GrpcServerConfig and GrpcClientConfig for distributed components (#13469)
Signed-off-by: yudong.cai <yudong.cai@zilliz.com>
2021-12-17 10:23:15 +08:00

170 lines
5.3 KiB
Go

// Copyright (C) 2019-2020 Zilliz. All rights reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance
// with the License. You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software distributed under the License
// is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
// or implied. See the License for the specific language governing permissions and limitations under the License.
package funcutil
import (
"context"
"encoding/json"
"errors"
"fmt"
"io/ioutil"
"net/http"
"time"
"github.com/go-basic/ipv4"
"github.com/milvus-io/milvus/internal/log"
"github.com/milvus-io/milvus/internal/proto/commonpb"
"github.com/milvus-io/milvus/internal/proto/internalpb"
"github.com/milvus-io/milvus/internal/types"
"github.com/milvus-io/milvus/internal/util/retry"
"go.uber.org/zap"
)
// CheckGrpcReady wait for context timeout, or wait 100ms then send nil to targetCh
func CheckGrpcReady(ctx context.Context, targetCh chan error) {
select {
case <-time.After(100 * time.Millisecond):
targetCh <- nil
case <-ctx.Done():
return
}
}
// GetLocalIP return the local ip address
func GetLocalIP() string {
return ipv4.LocalIP()
}
// WaitForComponentStates wait for component's state to be one of the specific states
func WaitForComponentStates(ctx context.Context, service types.Component, serviceName string, states []internalpb.StateCode, attempts uint, sleep time.Duration) error {
checkFunc := func() error {
resp, err := service.GetComponentStates(ctx)
if err != nil {
return err
}
if resp.Status.ErrorCode != commonpb.ErrorCode_Success {
return errors.New(resp.Status.Reason)
}
meet := false
for _, state := range states {
if resp.State.StateCode == state {
meet = true
break
}
}
if !meet {
return fmt.Errorf(
"WaitForComponentStates, not meet, %s current state: %s",
serviceName,
resp.State.StateCode.String())
}
return nil
}
return retry.Do(ctx, checkFunc, retry.Attempts(attempts), retry.Sleep(sleep))
}
// WaitForComponentInitOrHealthy wait for component's state to be initializing or healthy
func WaitForComponentInitOrHealthy(ctx context.Context, service types.Component, serviceName string, attempts uint, sleep time.Duration) error {
return WaitForComponentStates(ctx, service, serviceName, []internalpb.StateCode{internalpb.StateCode_Initializing, internalpb.StateCode_Healthy}, attempts, sleep)
}
// WaitForComponentInit wait for component's state to be initializing
func WaitForComponentInit(ctx context.Context, service types.Component, serviceName string, attempts uint, sleep time.Duration) error {
return WaitForComponentStates(ctx, service, serviceName, []internalpb.StateCode{internalpb.StateCode_Initializing}, attempts, sleep)
}
// WaitForComponentHealthy wait for component's state to be healthy
func WaitForComponentHealthy(ctx context.Context, service types.Component, serviceName string, attempts uint, sleep time.Duration) error {
return WaitForComponentStates(ctx, service, serviceName, []internalpb.StateCode{internalpb.StateCode_Healthy}, attempts, sleep)
}
// ParseIndexParamsMap parse the jsonic index parameters to map
func ParseIndexParamsMap(mStr string) (map[string]string, error) {
buffer := make(map[string]interface{})
err := json.Unmarshal([]byte(mStr), &buffer)
if err != nil {
return nil, errors.New("Unmarshal params failed")
}
ret := make(map[string]string)
for key, value := range buffer {
valueStr := fmt.Sprintf("%v", value)
ret[key] = valueStr
}
return ret, nil
}
const (
// PulsarMaxMessageSizeKey is the key of config item
PulsarMaxMessageSizeKey = "maxMessageSize"
)
// GetPulsarConfig get pulsar configuration using pulsar admin api
func GetPulsarConfig(protocol, ip, port, url string, args ...int64) (map[string]interface{}, error) {
var resp *http.Response
var err error
getResp := func() error {
log.Debug("function util", zap.String("url", protocol+"://"+ip+":"+port+url))
resp, err = http.Get(protocol + "://" + ip + ":" + port + url)
return err
}
var attempt uint = 10
var interval = time.Second
if len(args) > 0 && args[0] > 0 {
attempt = uint(args[0])
}
if len(args) > 1 && args[1] > 0 {
interval = time.Duration(args[1])
}
err = retry.Do(context.TODO(), getResp, retry.Attempts(attempt), retry.Sleep(interval))
if err != nil {
log.Debug("failed to get config", zap.String("error", err.Error()))
return nil, err
}
defer resp.Body.Close()
body, err := ioutil.ReadAll(resp.Body)
log.Debug("get config", zap.String("config", string(body)))
if err != nil {
return nil, err
}
ret := make(map[string]interface{})
err = json.Unmarshal(body, &ret)
if err != nil {
return nil, err
}
return ret, nil
}
// GetAttrByKeyFromRepeatedKV return the value corresponding to key in kv pair
func GetAttrByKeyFromRepeatedKV(key string, kvs []*commonpb.KeyValuePair) (string, error) {
for _, kv := range kvs {
if kv.Key == key {
return kv.Value, nil
}
}
return "", errors.New("key " + key + " not found")
}
// CheckCtxValid check if the context is valid
func CheckCtxValid(ctx context.Context) bool {
return ctx.Err() != context.DeadlineExceeded && ctx.Err() != context.Canceled
}