trying to switch instrumentation

Got 544 offers. Filtered offers: 3
           ID|     Ram|             HDD|                           CPU|    Price|  Score|  Reduce time|Specials
  SB64-935022|  128 GB|  2x 2 TB (4096)|  Intel Xeon E5-1650V2 (12518)|  64.00 €|  91.84|      48h 17m|ECC, Ent. HDD, iNIC
  SB72-927788|  128 GB|  2x 2 TB (4096)|  Intel Xeon E5-1650V3 (13335)|  72.00 €|  86.17|      21h 37m|ECC, Ent. HDD, iNIC
  SB73-910394|  128 GB|  3x 2 TB (6144)|  Intel Xeon E5-1650V2 (12518)|  73.00 €|  86.13|      03h 33m|ECC, Ent. HDD, iNIC

.gitignore

@@ -0,0 +1 @@
+go.sum

go.mod

@@ -1 +1,12 @@
 module github.com/mrahbar/my-bloody-hetzner-sb-notifier
+
+require (
+	cloud.google.com/go v0.31.0
+	github.com/golang/protobuf v1.2.0
+	github.com/googleapis/gax-go v2.0.0+incompatible // indirect
+	go.opencensus.io v0.18.0 // indirect
+	golang.org/x/net v0.0.0-20181023162649-9b4f9f5ad519 // indirect
+	google.golang.org/api v0.0.0-20181021000519-a2651947f503 // indirect
+	google.golang.org/genproto v0.0.0-20181016170114-94acd270e44e
+	google.golang.org/grpc v1.16.0 // indirect
+)

instrumentation/instrumentation.go

@@ -0,0 +1,11 @@
+package instrumentation
+
+type Instrumenter struct{
+	projectId string
+}
+
+func NewInstrumenter(projectId string) *Instrumenter {
+	return &Instrumenter{
+		projectId: projectId,
+	}
+}

main.go

@@ -6,7 +6,6 @@ import (
 	"github.com/mrahbar/my-bloody-hetzner-sb-notifier/client"
 	c "github.com/mrahbar/my-bloody-hetzner-sb-notifier/crawler"
 	"github.com/mrahbar/my-bloody-hetzner-sb-notifier/hetzner"
-	n "github.com/mrahbar/my-bloody-hetzner-sb-notifier/notifier"
 )
 
 var (
@@ -106,8 +105,7 @@ func main() {
 		fmt.Printf("Got %d offers. Filtered offers: %d\n", len(offers.Server), len(servers))
 		crawler.Print(servers)
 
-		notifier := n.NewNotifier(*notifierRecipient, *notifierSender, *notifierPassword)
+		//notifier := n.NewInstrumenter(*notifierRecipient, *notifierSender, *notifierPassword)
-		notifier.Act(servers)
 	} else {
 		fmt.Println("Got no offers.")
 	}

notifier/notifier.go

@@ -1,95 +0,0 @@
-package notifier
-
-import (
-	"bytes"
-	"fmt"
-	"github.com/mrahbar/my-bloody-hetzner-sb-notifier/hetzner"
-	"mime/quotedprintable"
-	"net/smtp"
-	"strings"
-)
-
-const (
-	gmailSmtpServer = "smtp.gmail.com"
-	contentTypeHtml = "text/html"
-	contentTypePlain = "text/plain"
-)
-
-type Notifier struct {
-	to string
-	contentType string
-	user     string
-	password string
-	server   string
-	port     int
-	history map[string]float64
-}
-
-func NewNotifier(Recipient, Username, Password string) Notifier {
-	notifier := Notifier{
-		Recipient,
-		contentTypePlain,
-		Username,
-		Password,
-		gmailSmtpServer,
-		587,
-		make(map[string]float64),
-	}
-	return notifier
-}
-
-func (n Notifier) Act(servers []hetzner.Server) {
-	//absentFromHistory := false
-	//
-	//for _, s := range servers {
-	//	// TODO check if server in history, if a single server is missing send email and store state
-	//}
-}
-
-func (n Notifier) sendMail(Dest []string, Subject, bodyMessage string) {
-
-	msg := "From: " + n.user + "\n" +
-		"To: " + strings.Join(Dest, ",") + "\n" +
-		"Subject: " + Subject + "\n" + bodyMessage
-
-	err := smtp.SendMail(fmt.Sprintf("%s:%d", n.server, n.port),
-		smtp.PlainAuth("", n.user, n.password, n.server),
-		n.user, Dest, []byte(msg))
-
-	if err != nil {
-
-		fmt.Printf("smtp error: %s", err)
-		return
-	}
-
-	fmt.Println("Mail sent successfully!")
-}
-
-func (n Notifier) writeEmail(subject, bodyMessage string) string {
-
-	header := make(map[string]string)
-	header["From"] = n.user
-
-	header["To"] = n.to
-	header["Subject"] = subject
-	header["MIME-Version"] = "1.0"
-	header["Content-Type"] = fmt.Sprintf("%s; charset=\"utf-8\"", n.contentType)
-	header["Content-Transfer-Encoding"] = "quoted-printable"
-	header["Content-Disposition"] = "inline"
-
-	message := ""
-
-	for key, value := range header {
-		message += fmt.Sprintf("%s: %s\r\n", key, value)
-	}
-
-	var encodedMessage bytes.Buffer
-
-	finalMessage := quotedprintable.NewWriter(&encodedMessage)
-	finalMessage.Write([]byte(bodyMessage))
-	finalMessage.Close()
-
-	message += "\r\n" + encodedMessage.String()
-
-	return message
-}