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config.go
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config.go
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/*
* Copyright (c) 2024 Yunshan Networks
*
* 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 config
import (
"io/ioutil"
"os"
"github.com/deepflowio/deepflow/server/ingester/config"
logging "github.com/op/go-logging"
yaml "gopkg.in/yaml.v2"
)
var log = logging.MustGetLogger("profile.config")
type Config struct {
Base *config.Config
CKWriterConfig config.CKWriterConfig `yaml:"profile-ck-writer"`
ProfileTTL int `yaml:"profile-ttl-hour"`
DecoderQueueCount int `yaml:"profile-decoder-queue-count"`
DecoderQueueSize int `yaml:"profile-decoder-queue-size"`
CompressionAlgorithm *string `yaml:"profile-compression-algorithm"`
}
type ProfileConfig struct {
Profile Config `yaml:"ingester"`
}
const (
DefaultProfileTTL = 72 // hour
DefaultDecoderQueueCount = 2
DefaultDecoderQueueSize = 1 << 14
)
func (c *Config) Validate() error {
if c.ProfileTTL <= 0 {
c.ProfileTTL = DefaultProfileTTL
}
if c.DecoderQueueCount == 0 {
c.DecoderQueueCount = DefaultDecoderQueueCount
}
if c.DecoderQueueSize == 0 {
c.DecoderQueueSize = DefaultDecoderQueueSize
}
if c.CompressionAlgorithm == nil {
// when not configure `profile-compression-algorithm`, default value is `zstd`
// when configure profile-compression-algorithm with '', will not use compression algo
c.CompressionAlgorithm = new(string)
*c.CompressionAlgorithm = "zstd"
}
return nil
}
func Load(base *config.Config, path string) *Config {
config := &ProfileConfig{
Profile: Config{
Base: base,
CKWriterConfig: config.CKWriterConfig{QueueCount: 1, QueueSize: 100000, BatchSize: 51200, FlushTimeout: 5},
ProfileTTL: DefaultProfileTTL,
DecoderQueueCount: DefaultDecoderQueueCount,
DecoderQueueSize: DefaultDecoderQueueSize,
},
}
if _, err := os.Stat(path); os.IsNotExist(err) {
log.Info("no config file, use defaults")
return &config.Profile
}
configBytes, err := ioutil.ReadFile(path)
if err != nil {
log.Warning("Read config file error:", err)
config.Profile.Validate()
return &config.Profile
}
if err = yaml.Unmarshal(configBytes, &config); err != nil {
log.Error("Unmarshal yaml error:", err)
os.Exit(1)
}
if err = config.Profile.Validate(); err != nil {
log.Error(err)
os.Exit(1)
}
return &config.Profile
}