mirror of
https://github.com/hanzoai/metrics.git
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NikolayandGitHub
590afe3070
Add build tag `disable_grpc_modules` for vmbackup, vmrestore and vmbackupmanager. Binary size increases only for 3MB with it. It's acceptable trade-off for security and feature updates. Related issue: https://github.com/VictoriaMetrics/VictoriaMetrics/issues/8008
78 lines
2.5 KiB
Go
78 lines
2.5 KiB
Go
/*
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*
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* Copyright 2021 gRPC authors.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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*/
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package ringhash
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import (
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"encoding/json"
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"fmt"
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"strings"
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"google.golang.org/grpc/internal/envconfig"
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"google.golang.org/grpc/internal/metadata"
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iringhash "google.golang.org/grpc/internal/ringhash"
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)
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const (
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defaultMinSize = 1024
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defaultMaxSize = 4096
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ringHashSizeUpperBound = 8 * 1024 * 1024 // 8M
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)
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func parseConfig(c json.RawMessage) (*iringhash.LBConfig, error) {
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var cfg iringhash.LBConfig
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if err := json.Unmarshal(c, &cfg); err != nil {
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return nil, err
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}
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if cfg.MinRingSize > ringHashSizeUpperBound {
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return nil, fmt.Errorf("min_ring_size value of %d is greater than max supported value %d for this field", cfg.MinRingSize, ringHashSizeUpperBound)
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}
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if cfg.MaxRingSize > ringHashSizeUpperBound {
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return nil, fmt.Errorf("max_ring_size value of %d is greater than max supported value %d for this field", cfg.MaxRingSize, ringHashSizeUpperBound)
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}
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if cfg.MinRingSize == 0 {
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cfg.MinRingSize = defaultMinSize
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}
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if cfg.MaxRingSize == 0 {
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cfg.MaxRingSize = defaultMaxSize
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}
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if cfg.MinRingSize > cfg.MaxRingSize {
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return nil, fmt.Errorf("min %v is greater than max %v", cfg.MinRingSize, cfg.MaxRingSize)
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}
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if cfg.MinRingSize > envconfig.RingHashCap {
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cfg.MinRingSize = envconfig.RingHashCap
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}
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if cfg.MaxRingSize > envconfig.RingHashCap {
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cfg.MaxRingSize = envconfig.RingHashCap
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}
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if !envconfig.RingHashSetRequestHashKey {
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cfg.RequestHashHeader = ""
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}
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if cfg.RequestHashHeader != "" {
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cfg.RequestHashHeader = strings.ToLower(cfg.RequestHashHeader)
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// See rules in https://github.com/grpc/proposal/blob/master/A76-ring-hash-improvements.md#explicitly-setting-the-request-hash-key
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if err := metadata.ValidateKey(cfg.RequestHashHeader); err != nil {
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return nil, fmt.Errorf("invalid requestHashHeader %q: %v", cfg.RequestHashHeader, err)
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}
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if strings.HasSuffix(cfg.RequestHashHeader, "-bin") {
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return nil, fmt.Errorf("invalid requestHashHeader %q: key must not end with \"-bin\"", cfg.RequestHashHeader)
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}
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}
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return &cfg, nil
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}
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