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amqp.go
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amqp.go
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package relay
import (
"os"
log "github.com/golang/glog"
"encoding/json"
"github.com/streadway/amqp"
)
type M map[string]interface{}
func flattenMeteringData(meteringData map[string]map[string]int) []map[string]interface{} {
meteringArray := make([]map[string]interface{}, 0)
gockyId, err := os.Hostname()
if err != nil {
gockyId = ""
}
mu.RLock()
defer mu.RUnlock()
for orgId, values := range meteringData {
for machineId, counter := range values {
m := M{"gockyId": gockyId, "owner": orgId, "machine": machineId, "counter": counter}
meteringArray = append(meteringArray, m)
}
}
return meteringArray
}
func pushToAmqp() {
conn, err := amqp.Dial(amqpURL)
if err != nil {
log.Fatalln(err)
}
defer conn.Close()
ch, err := conn.Channel()
if err != nil {
log.Fatalln(err)
}
defer ch.Close()
body, err := json.Marshal(flattenMeteringData(metering))
if err != nil {
return
}
q, err := ch.QueueDeclare(
"metering", // name
false, // durable
false, // delete when unused
false, // exclusive
false, // no-wait
nil, // arguments
)
err = ch.Publish(
"", // exchange
q.Name, // routing key
false, // mandatory
false, // immediate
amqp.Publishing{
ContentType: "text/plain",
Body: body,
})
if err != nil {
log.Errorf("Error while publishing: %s", err)
}
}