forked from crask/kafka-pusher
/
config.go
83 lines (66 loc) · 2.3 KB
/
config.go
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package main
import (
"encoding/json"
"fmt"
"io/ioutil"
"os"
"time"
"github.com/golang/glog"
)
const (
CFG_DEFAULT_TIMEOUT = time.Second
CFG_DEFAULT_FAILED_SLEEP = time.Second
CFG_MIN_FAILED_SLEEP = time.Second
)
type CallbackItemConfig struct {
WorkerNum int `json:"worker_num"`
Url string `json:"url"`
RetryTimes int `json:"retry_times"`
TimeoutStr string `json:"timeout"`
Timeout time.Duration `json:"null,omitempty"`
BypassFailed bool `json:"bypass_failed"`
FailedSleepStr string `json:"failed_sleep"`
FailedSleep time.Duration `json:"null,omitempty"`
Topics []string `json:"topics"`
Zookeepers []string `json:"zookeepers"`
ZkPath string `json:"zk_path"`
}
type ServiceConfig struct {
LogFile string `json:"log_file"`
Callbacks []CallbackItemConfig `json:"consumer_groups"`
}
func loadConfig(configFile string) (*ServiceConfig, error) {
var c *ServiceConfig
path := configFile
fi, err := os.Open(path)
defer fi.Close()
if nil != err {
return nil, err
}
fd, err := ioutil.ReadAll(fi)
err = json.Unmarshal([]byte(fd), &c)
if nil != err {
return nil, err
}
for i, _ := range c.Callbacks {
callback := &c.Callbacks[i]
callback.Timeout, err = time.ParseDuration(callback.TimeoutStr)
if nil != err {
glog.Errorf("callback config timeout error(%s),using default.config value:%s", err.Error(), callback.TimeoutStr)
callback.Timeout = CFG_DEFAULT_TIMEOUT
callback.TimeoutStr = fmt.Sprintf("%dms", CFG_DEFAULT_TIMEOUT/time.Millisecond)
}
callback.FailedSleep, err = time.ParseDuration(callback.FailedSleepStr)
if nil != err {
glog.Errorf("callback config failed_sleep error(%s),using default.config value:%s", err.Error(), callback.FailedSleepStr)
callback.FailedSleep = CFG_DEFAULT_FAILED_SLEEP
callback.FailedSleepStr = fmt.Sprintf("%dms", CFG_DEFAULT_FAILED_SLEEP/time.Millisecond)
}
if callback.FailedSleep < CFG_MIN_FAILED_SLEEP {
glog.Errorf("callback config failed_sleep too small,using min.config value:%s,%s", callback.FailedSleep, callback.FailedSleepStr)
callback.FailedSleep = CFG_MIN_FAILED_SLEEP
callback.FailedSleepStr = fmt.Sprintf("%dms", CFG_MIN_FAILED_SLEEP/time.Millisecond)
}
}
return c, nil
}