overflow_probe/collector/collector.go
insanity@loafle.com f5dffb050d err fix
2017-08-07 12:20:51 +09:00

137 lines
2.9 KiB
Go

package collector
import (
"context"
cm "git.loafle.net/overflow/overflow_probe/agent_api/config_manager"
"git.loafle.net/overflow/overflow_probe/crawler/grpc"
crm "git.loafle.net/overflow/overflow_probe/crawler_manager"
s "git.loafle.net/overflow/overflow_probe/scheduler"
log "github.com/cihub/seelog"
"strconv"
"sync"
"time"
)
var (
instance *Collector
once sync.Once
)
type Collector struct {
scheduler *s.Scheduler
cm cm.ConfigManager
dataCh chan interface{}
}
func Start(started chan bool, dataCh chan interface{}, conf cm.ConfigManager) {
c := GetInstance()
c.dataCh = dataCh
c.start(started, conf)
}
func Stop(stopped chan bool) {
c := GetInstance()
c.stop()
stopped <- true
}
func GetInstance() *Collector {
once.Do(func() {
instance = &Collector{}
})
return instance
}
func (c *Collector) start(started chan bool, conf cm.ConfigManager) {
go func() {
c.cm = conf
c.scheduler = &s.Scheduler{}
c.scheduler.Start()
for _, conf := range c.cm.GetSensors() {
if err := c.addSensor(conf.Id); err != nil {
log.Debug(err)
}
}
started <- true
}()
}
func (c *Collector) stop() {
c.scheduler.RemoveAllSchedule()
c.scheduler.Stop()
}
func (c *Collector) collect(id string) {
go func() {
conf := c.cm.GetSensorById(id)
conn, err := crm.GetInstance().GetClient(conf.Crawler.Container)
if err != nil {
log.Error(err)
}
defer conn.Close()
dc := grpc.NewDataClient(conn)
in := &grpc.Input{}
in.Id = id
in.Name = grpc.Crawlers(grpc.Crawlers_value[conf.Crawler.Name])
startAt := time.Now().Unix()
out, err := dc.Get(context.Background(), in)
finishedAt := time.Now().Unix()
if err != nil {
log.Error("Cannot collect [ID: %s] [Crawler : %s] - [Err : %s]\n", conf.Id, conf.Crawler.Name, err.Error())
return
}
out.StartDate = startAt
out.EndDate = finishedAt
log.Error("COLLECTED. [ID: %s] [Crawler : %s] [Result : %s]\n", conf.Id, conf.Crawler.Name, out.GetData())
c.dataCh <- out
}()
}
func (c *Collector) addSensor(sensorId string) error {
sensor := c.cm.GetSensorById(sensorId)
interval, err := strconv.Atoi(sensor.Schedule.Interval)
if err != nil {
return err
}
return c.scheduler.NewSchedule(sensorId, uint64(interval), c.collect)
}
func (c *Collector) removeSensor(id string) error {
if err := c.scheduler.RemoveSchedule(id); err != nil {
return err
}
return nil
}
func (c *Collector) updateSensor(id string) error {
err := c.removeSensor(id)
if err != nil {
return err
}
return c.addSensor(id)
}
func AddSensor(id string) error {
return GetInstance().addSensor(id)
}
func RemSensor(id string) error {
return GetInstance().removeSensor(id)
}
func UpdateSensor(id string) error {
return GetInstance().updateSensor(id)
}
func StartSensor(id string) error {
return GetInstance().scheduler.StartSchedule(id)
}
func StopSensor(id string) error {
return GetInstance().scheduler.StopSchedule(id)
}