integrate check_nodes in wo-bisch-web
This commit is contained in:
parent
b4814970ce
commit
736fc6b058
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@ -0,0 +1,122 @@
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package main
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import (
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"fmt"
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"net/http"
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"strconv"
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"strings"
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)
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func sendEmailAccu(username string, alias string, deveui string, accu_percent string, threshold int, level string) {
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fmt.Printf("SEND EMAIL ACCU (%s) - %s:%s\n", level, username, deveui)
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mail_message := "To: " + username + `
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From: info@wo-bisch.ch
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Subject: ` + level + ` - wo-bisch.ch: Akku Ladezustand (` + alias + `)
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Lieber Benutzer von wo-bisch.ch
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Der Akku von "` + alias + `" (DevEUI: ` + deveui + `) ist noch zu ` + accu_percent + ` Prozent geladen.
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Bitte rechtzeitig wieder laden! Bei Unterschreitung von 5% Ladung erscheint die letzte Warnung.
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Mit freundlichen Grüssen
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--
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wo-bisch.ch`
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sendEmail(username, "mail@wo-bisch.ch", mail_message)
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}
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func sendEmailAbo(username string, alias string, deveui string, days_left int, level string) {
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var ablauftext string
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if days_left == 0 {
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fmt.Printf("SEND EMAIL ABO (%s) - %s:%s\n", level, username, deveui)
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ablauftext = "Das Abo von \"" + alias + "\" (DevEUI: " + deveui + ") ist abgelaufen."
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} else if days_left > 0 {
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fmt.Printf("SEND EMAIL ABO (%s) - %s:%s\n", level, username, deveui)
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ablauftext = "Das Abo von \"" + alias + "\" (DevEUI: " + deveui + ") laeuft in " + strconv.Itoa(days_left) + " Tagen ab."
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} else {
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fmt.Printf("DO NOT SEND EMAIL ABO (%s) - %s:%s\n", level, username, deveui)
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return
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}
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mail_message := "To: " + username + `
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From: info@wo-bisch.ch
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Subject: ` + level + ` - wo-bisch.ch: Abo laeuft ab (` + alias + `)
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Lieber Benutzer von wo-bisch.ch
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` + ablauftext + `Das Abo von "` + alias + `" (DevEUI: ` + deveui + `) laeuft in ` + strconv.Itoa(days_left) + ` Tagen ab.
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Bitte Abo verlaengern auf https://wo-bisch.ch
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Mit freundlichen Grüssen
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--
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wo-bisch.ch`
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sendEmail(username, "mail@wo-bisch.ch", mail_message)
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}
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func CheckThreshold(d string, vp int, u2 string, last_metric OneMetric, info_threshold int, warning_threshold int, alert_threshold int) bool {
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var alias string
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if vp <= info_threshold {
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alias = getDevAlias(d)
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}
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if vp <= alert_threshold {
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if AlarmNotAlreadySent("alarm_sent_accu:", d, u2, alert_threshold) {
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sendEmailAccu(u2, alias, d, last_metric.BatteryPercent, alert_threshold, "ALARM")
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InsertAlert("alarm_sent_accu:", d, u2, alert_threshold)
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}
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return false
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}
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if vp <= warning_threshold {
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if AlarmNotAlreadySent("alarm_sent_accu:", d, u2, warning_threshold) {
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sendEmailAccu(u2, alias, d, last_metric.BatteryPercent, warning_threshold, "WARNING")
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InsertAlert("alarm_sent_accu:", d, u2, warning_threshold)
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}
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return false
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}
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if vp <= info_threshold {
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if AlarmNotAlreadySent("alarm_sent_accu:", d, u2, info_threshold) {
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sendEmailAccu(u2, alias, d, last_metric.BatteryPercent, alert_threshold, "INFO")
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InsertAlert("alarm_sent_accu:", d, u2, info_threshold)
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}
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return false
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}
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return true
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}
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func checkNodes() {
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logit("Starting check_battery...")
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users := getUsers()
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for _, u := range users {
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//fmt.Println(u)
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u2 := u[5:]
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my_devs := getMyDevs(u2)
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for _, d := range my_devs {
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fmt.Printf("%s:%s\n", u2, d)
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if !strings.HasPrefix(d, "@") {
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last_metric := getLastMetrics(d)
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// Zuerst der Batteriealarm
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if last_metric.BatteryPercent != "" {
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fmt.Printf("%s:%s:%s Percent:%s:%d\n", u2, d, last_metric.BatteryPercent, last_metric.ActiveUntil, last_metric.DaysUntilDeactivated)
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vp, _ := strconv.Atoi(last_metric.BatteryPercent)
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if CheckThreshold(d, vp, u2, last_metric, 20, 10, 5) {
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DeleteAlert("alarm_sent_accu:", d, u2)
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}
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}
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// Jetzt der Alarm wegen der Abodauer
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if last_metric.DaysUntilDeactivated < 30 {
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fmt.Printf("SEND EMAIL %s:%s:%s Percent:%s:%d\n", u2, d, last_metric.BatteryPercent, last_metric.ActiveUntil, last_metric.DaysUntilDeactivated)
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alias := getDevAlias(d)
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sendEmailAbo(u2, alias, d, last_metric.DaysUntilDeactivated, "INFO")
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}
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}
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}
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}
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logit("Done with check_battery...")
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}
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func checkNodesHandler(w http.ResponseWriter, req *http.Request) {
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checkNodes()
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w.WriteHeader(http.StatusOK)
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}
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@ -1,419 +0,0 @@
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package main
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import (
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"bufio"
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"bytes"
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"fmt"
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"github.com/gomodule/redigo/redis"
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"github.com/jordan-wright/email"
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"io/ioutil"
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"log"
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"net/http"
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"os"
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"strconv"
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"strings"
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"time"
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)
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func sendEmailAccu(username string, alias string, deveui string, accu_percent string, threshold int, level string) {
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fmt.Printf("SEND EMAIL ACCU (%s) - %s:%s\n", level, username, deveui)
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mail_message := `Lieber Benutzer von wo-bisch.ch
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Der Akku von "` + alias + `" (DevEUI: ` + deveui + `) ist noch zu ` + accu_percent + ` Prozent geladen.
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Bitte rechtzeitig wieder laden! Bei Unterschreitung von 5% Ladung erscheint die letzte Warnung.
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Mit freundlichen Grüssen
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--
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wo-bisch.ch`
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e := email.NewEmail()
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e.From = "wo-bisch.ch <info@wo-bisch.ch>"
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e.To = []string{username}
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e.Bcc = []string{"joerg.lehmann@nbit.ch"}
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e.Subject = level + " - wo-bisch.ch: Akku Ladezustand (" + alias + ")"
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e.Text = []byte(mail_message)
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e.Send("127.0.0.1:25", nil)
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}
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func sendEmailAbo(username string, alias string, deveui string, days_left int, level string) {
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fmt.Printf("SEND EMAIL ABO (%s) - %s:%s\n", level, username, deveui)
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mail_message := `Lieber Benutzer von wo-bisch.ch
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Das Abo von "` + alias + `" (DevEUI: ` + deveui + `) laeuft in ` + strconv.Itoa(days_left) + ` Tagen ab.
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Bitte Abo verlaengern auf https://wo-bisch.ch
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Mit freundlichen Grüssen
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--
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wo-bisch.ch`
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e := email.NewEmail()
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e.From = "wo-bisch.ch <info@wo-bisch.ch>"
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e.To = []string{username}
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e.Bcc = []string{"joerg.lehmann@nbit.ch"}
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e.Subject = level + " - wo-bisch.ch: Abo laeuft ab (" + alias + ")"
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e.Text = []byte(mail_message)
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e.Send("127.0.0.1:25", nil)
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}
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var globalPool *redis.Pool
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const userPrefix string = "user:"
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const devPrefix string = "dev:"
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const confirmPrefix string = "confirm:"
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func newPool() *redis.Pool {
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return &redis.Pool{
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// Maximum number of idle connections in the pool.
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MaxIdle: 80,
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// max number of connections
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MaxActive: 12000,
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// Dial is an application supplied function for creating and
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// configuring a connection.
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Dial: func() (redis.Conn, error) {
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c, err := redis.Dial("tcp", ":6379")
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if err != nil {
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panic(err.Error())
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}
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return c, err
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},
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}
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}
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// ping tests connectivity for redis (PONG should be returned)
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func ping(c redis.Conn) error {
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// Send PING command to Redis
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// PING command returns a Redis "Simple String"
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// Use redis.String to convert the interface type to string
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s, err := redis.String(c.Do("PING"))
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if err != nil {
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return err
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}
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logit("PING Response = " + s)
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// Output: PONG
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return nil
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}
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type Dev struct {
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Deveui string
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Alias string
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Alarmactive string
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Smsnumber string
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ActiveUntil string // Abo bezahlt bis TT.MM.YYYY
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}
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func initDB() {
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// newPool returns a pointer to a redis.Pool
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pool := newPool()
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// get a connection from the globalPool (redis.Conn)
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conn := pool.Get()
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defer conn.Close()
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globalPool = pool
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// wir machen einen Connection Test
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ping(conn)
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}
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func closeDB() {
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globalPool.Close()
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}
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func getUsers() []string {
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res := []string{}
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conn := globalPool.Get()
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defer conn.Close()
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//logit("getUsers")
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users, err := redis.Strings(conn.Do("KEYS", userPrefix+"*"))
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if err == nil {
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//logit("getUsers successful!")
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res = users
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} else {
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log.Print(err)
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}
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return res
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}
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func getMyDevs(username string) []string {
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res := []string{}
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if username == "" {
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return res
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}
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conn := globalPool.Get()
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defer conn.Close()
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//logit("getMyDevs: User: " + username)
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mydevs, err := redis.String(conn.Do("HGET", userPrefix+username, "my_devs"))
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if err == nil {
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//logit("getMyDevs: mydevs: " + mydevs)
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res = strings.Split(mydevs, ",")
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} else {
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log.Print(err)
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}
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return res
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}
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func getDevAlias(deveui string) string {
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res := deveui
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if deveui == "" {
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return res
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}
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conn := globalPool.Get()
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defer conn.Close()
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//logit("getDevAlias: Deveui: " + deveui)
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alias, err := redis.String(conn.Do("HGET", devPrefix+deveui, "alias"))
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if err == nil {
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//logit("getDevAlias: alias: " + alias)
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res = alias
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} else {
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log.Print(err)
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}
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return res
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}
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func getActiveUntil(deveui string) string {
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res := ""
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if deveui == "" {
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return res
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}
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conn := globalPool.Get()
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defer conn.Close()
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//logit("getActiveUntil: Deveui: " + deveui)
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activeuntil, err := redis.String(conn.Do("HGET", devPrefix+deveui, "active_until"))
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if err == nil {
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//logit("getActiveUntil: activeuntil: " + activeuntil)
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res = activeuntil
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} else {
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log.Print(err)
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}
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return res
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}
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func InsertAlert(prefix string, deveui string, email string, threshold int) {
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conn := globalPool.Get()
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defer conn.Close()
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_, err := conn.Do("SET", prefix+deveui+":"+email, threshold)
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if err != nil {
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logit("InsertAlert: Error inserting: " + prefix + deveui + ":" + email)
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}
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}
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func DeleteAlert(prefix string, deveui string, email string) {
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conn := globalPool.Get()
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defer conn.Close()
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exists, _ := redis.Bool(conn.Do("EXISTS", prefix+deveui+":"+email))
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if exists {
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_, err := conn.Do("DEL", prefix+deveui+":"+email)
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if err != nil {
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logit("DeleteAlert: Error deleting: " + prefix + deveui + ":" + email)
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}
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}
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}
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func AlarmNotAlreadySent(prefix string, deveui string, email string, threshold int) bool {
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conn := globalPool.Get()
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defer conn.Close()
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exists, _ := redis.Bool(conn.Do("EXISTS", prefix+deveui+":"+email))
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if !exists {
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return true
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}
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alarm_threshold, _ := redis.Int(conn.Do("GET", prefix+deveui+":"+email))
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return threshold != alarm_threshold
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}
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type OneMetric struct {
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Deveui string
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Alias string
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Timestamp string
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BatteryPercent string
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ActiveUntil string
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DaysUntilDeactivated int // berechneter Wert
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}
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func CalcDaysUntil(mydate string) int {
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var days int
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layout := "02.01.2006"
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t, err := time.Parse(layout, mydate)
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if err != nil {
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days = 0
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}
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days = int(t.Sub(time.Now()).Hours() / 24)
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return days
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}
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func vbat2percent(vbat string) int {
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i, err := strconv.Atoi(vbat)
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res := 0
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if err == nil {
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res = int(float64(i-3400) / 6.0)
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fmt.Printf("vbat2percent Result in Percent: %d\n", res)
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if res < 0 {
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res = 0
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} else if res > 100 {
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res = 100
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}
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}
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return res
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}
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func getLastMetrics(deveui string) OneMetric {
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var res OneMetric
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res.BatteryPercent = "999"
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url := "http://localhost:8086/api/v2/query?org=wobischorg"
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data := []byte(fmt.Sprintf(`from(bucket:"wobischbucket")
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|> range(start:-5d)
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|> filter(fn: (r) => r._measurement == "measurement" and r.deveui == "%s")
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|> filter(fn: (r) => r._field == "vbat")
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|> last(column: "_time")`, deveui))
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req, err := http.NewRequest("POST", url, bytes.NewBuffer(data))
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if err != nil {
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log.Fatal("Error reading request. ", err)
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}
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// Set headers
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var INFLUX_RO_TOKEN = os.Getenv("INFLUX_RO_TOKEN")
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req.Header.Set("Authorization", "Token "+INFLUX_RO_TOKEN)
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req.Header.Set("accept", "application/csv")
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req.Header.Set("content-type", "application/vnd.flux")
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// Set client timeout
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client := &http.Client{Timeout: time.Second * 10}
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// Send request
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resp, err := client.Do(req)
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if err != nil {
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log.Fatal("Error reading response. ", err)
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}
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defer resp.Body.Close()
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//fmt.Println("response Status:", resp.Status)
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//fmt.Println("response Headers:", resp.Header)
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body, err := ioutil.ReadAll(resp.Body)
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if err != nil {
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log.Fatal("Error reading body. ", err)
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}
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//fmt.Println("response Body:", string(body))
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scanner := bufio.NewScanner(strings.NewReader(string(body)))
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location, err := time.LoadLocation("Europe/Zurich")
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for scanner.Scan() {
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s := strings.Split(scanner.Text(), ",")
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//fmt.Printf("s: %q\n", s)
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if (len(s) >= 7) && !(strings.HasPrefix(s[3], "_")) {
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t, err := time.Parse(time.RFC3339, s[5])
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if err != nil {
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fmt.Printf("error converting time: %s\n", s[5])
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continue
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}
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res.Timestamp = t.In(location).Format("02.01.2006 15:04")
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res.BatteryPercent = strconv.Itoa(vbat2percent(s[6]))
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fmt.Printf("vbat: %s\n", s[6])
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}
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}
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res.Deveui = deveui
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res.Alias = getDevAlias(deveui)
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res.ActiveUntil = getActiveUntil(deveui)
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res.DaysUntilDeactivated = CalcDaysUntil(res.ActiveUntil)
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return res
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}
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func CheckThreshold(d string, vp int, u2 string, last_metric OneMetric, info_threshold int, warning_threshold int, alert_threshold int) bool {
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var alias string
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if vp <= info_threshold {
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alias = getDevAlias(d)
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}
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if vp <= alert_threshold {
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||||
if AlarmNotAlreadySent("alarm_sent_accu:", d, u2, alert_threshold) {
|
||||
sendEmailAccu(u2, alias, d, last_metric.BatteryPercent, alert_threshold, "ALARM")
|
||||
InsertAlert("alarm_sent_accu:", d, u2, alert_threshold)
|
||||
}
|
||||
return false
|
||||
}
|
||||
if vp <= warning_threshold {
|
||||
if AlarmNotAlreadySent("alarm_sent_accu:", d, u2, warning_threshold) {
|
||||
sendEmailAccu(u2, alias, d, last_metric.BatteryPercent, warning_threshold, "WARNING")
|
||||
InsertAlert("alarm_sent_accu:", d, u2, warning_threshold)
|
||||
}
|
||||
return false
|
||||
}
|
||||
if vp <= info_threshold {
|
||||
if AlarmNotAlreadySent("alarm_sent_accu:", d, u2, info_threshold) {
|
||||
sendEmailAccu(u2, alias, d, last_metric.BatteryPercent, alert_threshold, "INFO")
|
||||
InsertAlert("alarm_sent_accu:", d, u2, info_threshold)
|
||||
}
|
||||
return false
|
||||
}
|
||||
return true
|
||||
}
|
||||
|
||||
func logit(log_message string) {
|
||||
log.Println(log_message)
|
||||
}
|
||||
|
||||
func main() {
|
||||
logit("Starting check_battery...")
|
||||
initDB()
|
||||
defer closeDB()
|
||||
|
||||
users := getUsers()
|
||||
for _, u := range users {
|
||||
//fmt.Println(u)
|
||||
u2 := u[5:]
|
||||
my_devs := getMyDevs(u2)
|
||||
for _, d := range my_devs {
|
||||
fmt.Printf("%s:%s\n", u2, d)
|
||||
if !strings.HasPrefix(d, "@") {
|
||||
last_metric := getLastMetrics(d)
|
||||
// Zuerst der Batteriealarm
|
||||
if last_metric.BatteryPercent != "" {
|
||||
fmt.Printf("%s:%s:%s Percent:%s:%d\n", u2, d, last_metric.BatteryPercent, last_metric.ActiveUntil, last_metric.DaysUntilDeactivated)
|
||||
vp, _ := strconv.Atoi(last_metric.BatteryPercent)
|
||||
if CheckThreshold(d, vp, u2, last_metric, 20, 10, 5) {
|
||||
DeleteAlert("alarm_sent_accu:", d, u2)
|
||||
}
|
||||
}
|
||||
// Jetzt der Alarm wegen der Abodauer
|
||||
if last_metric.DaysUntilDeactivated < 30 {
|
||||
fmt.Printf("SEND EMAIL %s:%s:%s Percent:%s:%d\n", u2, d, last_metric.BatteryPercent, last_metric.ActiveUntil, last_metric.DaysUntilDeactivated)
|
||||
alias := getDevAlias(d)
|
||||
sendEmailAbo(u2, alias, d, last_metric.DaysUntilDeactivated, "INFO")
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
logit("Done with check_battery...")
|
||||
}
|
||||
1
main.go
1
main.go
|
|
@ -134,6 +134,7 @@ func main() {
|
|||
http.HandleFunc("/save_tracker_greenzone", save_tracker_greenzoneHandler)
|
||||
http.HandleFunc("/getstripepaymentintent", getstripepaymentintentHandler)
|
||||
http.HandleFunc("/stripewebhook", stripeWebhookHandler)
|
||||
http.HandleFunc("/checknodes", checkNodesHandler)
|
||||
|
||||
logit("Starting Web Application...")
|
||||
http.ListenAndServe(":4000", nil)
|
||||
|
|
|
|||
|
|
@ -521,3 +521,39 @@ func confirmUser(confirm_id string) bool {
|
|||
|
||||
return true
|
||||
}
|
||||
|
||||
func InsertAlert(prefix string, deveui string, email string, threshold int) {
|
||||
conn := globalPool.Get()
|
||||
defer conn.Close()
|
||||
|
||||
_, err := conn.Do("SET", prefix+deveui+":"+email, threshold)
|
||||
if err != nil {
|
||||
logit("InsertAlert: Error inserting: " + prefix + deveui + ":" + email)
|
||||
}
|
||||
}
|
||||
|
||||
func DeleteAlert(prefix string, deveui string, email string) {
|
||||
conn := globalPool.Get()
|
||||
defer conn.Close()
|
||||
|
||||
exists, _ := redis.Bool(conn.Do("EXISTS", prefix+deveui+":"+email))
|
||||
|
||||
if exists {
|
||||
_, err := conn.Do("DEL", prefix+deveui+":"+email)
|
||||
if err != nil {
|
||||
logit("DeleteAlert: Error deleting: " + prefix + deveui + ":" + email)
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
func AlarmNotAlreadySent(prefix string, deveui string, email string, threshold int) bool {
|
||||
conn := globalPool.Get()
|
||||
defer conn.Close()
|
||||
|
||||
exists, _ := redis.Bool(conn.Do("EXISTS", prefix+deveui+":"+email))
|
||||
if !exists {
|
||||
return true
|
||||
}
|
||||
alarm_threshold, _ := redis.Int(conn.Do("GET", prefix+deveui+":"+email))
|
||||
return threshold != alarm_threshold
|
||||
}
|
||||
|
|
|
|||
Loading…
Reference in New Issue