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collector.go
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collector.go
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package sqssrv
import (
"fmt"
"strings"
"github.com/prometheus/client_golang/prometheus"
)
type SQSServiceCollector struct {
messageCalls *prometheus.CounterVec
messageDuration *prometheus.CounterVec
messageSuccess *prometheus.CounterVec
messageFailures *prometheus.CounterVec
messageTrafficAmount *prometheus.CounterVec
messageTrafficSize *prometheus.CounterVec
}
type SQSServiceCollectorOpts struct {
Prefix string
}
var (
messageMetricVectorLabels = []string{"queue", "method"}
)
const (
MessageMetricMethodSendMessage string = "SendMessage"
MessageMetricMethodSendMessageBatch string = "SendMessageBatch"
MessageMetricMethodDeleteMessage string = "DeleteMessage"
MessageMetricMethodDeleteMessageBatch string = "DeleteMessageBatch"
MessageMetricMethodReceiveMessage string = "ReceiveMessage"
)
func NewSQSServiceCollector(opts *SQSServiceCollectorOpts) *SQSServiceCollector {
prefix := opts.Prefix
if prefix != "" && !strings.HasSuffix(opts.Prefix, "_") {
prefix += "_"
}
return &SQSServiceCollector{
messageCalls: prometheus.NewCounterVec(
prometheus.CounterOpts{
Name: fmt.Sprintf("sqs_%smessage_calls", prefix),
Help: "The total number of method called",
},
messageMetricVectorLabels,
),
messageDuration: prometheus.NewCounterVec(
prometheus.CounterOpts{
Name: fmt.Sprintf("sqs_%smessage_duration", prefix),
Help: "The total duration (in seconds) of method called",
},
messageMetricVectorLabels,
),
messageSuccess: prometheus.NewCounterVec(
prometheus.CounterOpts{
Name: fmt.Sprintf("sqs_%smessage_success", prefix),
Help: "The number of methods executed with success",
},
messageMetricVectorLabels,
),
messageFailures: prometheus.NewCounterVec(
prometheus.CounterOpts{
Name: fmt.Sprintf("sqs_%smessage_failures", prefix),
Help: "The number of methods executed with failures",
},
messageMetricVectorLabels,
),
messageTrafficAmount: prometheus.NewCounterVec(
prometheus.CounterOpts{
Name: fmt.Sprintf("sqs_%smessage_traffic_amount", prefix),
Help: "The total number of messages trafficked",
},
messageMetricVectorLabels,
),
messageTrafficSize: prometheus.NewCounterVec(
prometheus.CounterOpts{
Name: fmt.Sprintf("sqs_%smessage_traffic_size", prefix),
Help: "The total size (number of characters) of messages trafficked",
},
messageMetricVectorLabels,
),
}
}
func (collector *SQSServiceCollector) Describe(descs chan<- *prometheus.Desc) {
collector.messageCalls.Describe(descs)
collector.messageDuration.Describe(descs)
collector.messageSuccess.Describe(descs)
collector.messageFailures.Describe(descs)
collector.messageTrafficAmount.Describe(descs)
collector.messageTrafficSize.Describe(descs)
}
func (collector *SQSServiceCollector) Collect(metrics chan<- prometheus.Metric) {
collector.messageCalls.Collect(metrics)
collector.messageDuration.Collect(metrics)
collector.messageSuccess.Collect(metrics)
collector.messageFailures.Collect(metrics)
collector.messageTrafficAmount.Collect(metrics)
collector.messageTrafficSize.Collect(metrics)
}