62 lines
1.4 KiB
Go
62 lines
1.4 KiB
Go
package main
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import (
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"fmt"
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"io/ioutil"
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"net/http"
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"regexp"
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"time"
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)
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func CheckServices() {
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services = SelectAllServices()
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for _, v := range services {
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obj := v
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go obj.CheckQueue()
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}
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}
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func (s *Service) CheckQueue() {
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s.Check()
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fmt.Printf(" Service: %v | Online: %v | Latency: %v\n", s.Name, s.Online, s.Latency)
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time.Sleep(time.Duration(s.Interval) * time.Second)
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s.CheckQueue()
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}
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func (s *Service) Check() {
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t1 := time.Now()
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client := http.Client{
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Timeout: 30 * time.Second,
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}
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response, err := client.Get(s.Domain)
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t2 := time.Now()
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s.Latency = t2.Sub(t1).Seconds()
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if err != nil {
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s.Failure(fmt.Sprintf("HTTP Error %v", err))
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return
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}
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defer response.Body.Close()
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if s.Expected != "" {
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contents, _ := ioutil.ReadAll(response.Body)
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match, _ := regexp.MatchString(s.Expected, string(contents))
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if !match {
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s.Failure(fmt.Sprintf("HTTP Response Body did not match '%v'", s.Expected))
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return
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}
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}
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if s.ExpectedStatus != response.StatusCode {
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s.Failure(fmt.Sprintf("HTTP Status Code %v did not match %v", response.StatusCode, s.ExpectedStatus))
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return
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}
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s.Online = true
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s.Record(response)
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}
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func (s *Service) Record(response *http.Response) {
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db.QueryRow("INSERT INTO hits(service,latency,created_at) VALUES($1,$2,NOW()) returning id;", s.Id, s.Latency).Scan()
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}
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func (s *Service) Failure(issue string) {
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db.QueryRow("INSERT INTO failures(issue,service,created_at) VALUES($1,$2,NOW()) returning id;", issue, s.Id).Scan()
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}
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