95 lines
1.8 KiB
Go
95 lines
1.8 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.StartCheckins()
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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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if s.Interval < 1 {
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s.Interval = 1
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}
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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() *Service {
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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 s
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}
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defer response.Body.Close()
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contents, _ := ioutil.ReadAll(response.Body)
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if s.Expected != "" {
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match, _ := regexp.MatchString(s.Expected, string(contents))
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if !match {
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s.LastResponse = string(contents)
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s.LastStatusCode = response.StatusCode
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s.Failure(fmt.Sprintf("HTTP Response Body did not match '%v'", s.Expected))
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return s
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}
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}
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if s.ExpectedStatus != response.StatusCode {
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s.LastResponse = string(contents)
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s.LastStatusCode = 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 s
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}
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s.LastResponse = string(contents)
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s.LastStatusCode = response.StatusCode
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s.Online = true
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s.Record(response)
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return s
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}
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type HitData struct {
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Latency float64
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}
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func (s *Service) Record(response *http.Response) {
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s.Online = true
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s.LastOnline = time.Now()
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data := HitData{
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Latency: s.Latency,
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}
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s.CreateHit(data)
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OnSuccess(s)
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}
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type FailureData struct {
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Issue string
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}
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func (s *Service) Failure(issue string) {
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s.Online = false
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data := FailureData{
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Issue: issue,
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}
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s.CreateFailure(data)
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SendFailureEmail(s)
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OnFailure(s)
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}
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