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CreateCustomMetric.go
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CreateCustomMetric.go
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// Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.
// SPDX-License-Identifier: Apache-2.0
// snippet-start:[cloudwatch.go.create_custom_metric]
package main
// snippet-start:[cloudwatch.go.create_custom_metric.import]
import (
"flag"
"fmt"
"log"
"github.com/aws/aws-sdk-go/aws/session"
"github.com/aws/aws-sdk-go/service/cloudwatch"
)
// snippet-end:[cloudwatch.go.create_custom_metric.import]
// CreateCustomMetric creates a new metric in a namespace
// Inputs:
//
// sess is the current session, which provides configuration for the SDK's service clients
// namespace is the metric namespace
// metricName is the name of the metric
// unit is what the value represents
// value is the value of the metric unit
// dimensionName is the name of the dimension
// dimensionValue is the value of the dimensionName
//
// Output:
//
// If success, nil
// Otherwise, an error from a call to PutMetricData
func CreateCustomMetric(sess *session.Session, namespace *string, metricName *string, unit *string, value *float64, dimensionName *string, dimensionValue *string) error {
// Create new Amazon CloudWatch client
// snippet-start:[cloudwatch.go.create_custom_metric.call]
svc := cloudwatch.New(sess)
_, err := svc.PutMetricData(&cloudwatch.PutMetricDataInput{
Namespace: namespace,
MetricData: []*cloudwatch.MetricDatum{
&cloudwatch.MetricDatum{
MetricName: metricName,
Unit: unit,
Value: value,
Dimensions: []*cloudwatch.Dimension{
&cloudwatch.Dimension{
Name: dimensionName,
Value: dimensionValue,
},
},
},
},
})
// snippet-end:[cloudwatch.go.create_custom_metric.call]
if err != nil {
return err
}
return nil
}
func main() {
// snippet-start:[cloudwatch.go.create_custom_metric.args]
namespace := flag.String("n", "", "The namespace for the metric")
metricName := flag.String("m", "", "The name of the metric")
unit := flag.String("u", "", "The units for the metric")
value := flag.Float64("v", 0.0, "The value of the units")
dimensionName := flag.String("dn", "", "The name of the dimension")
dimensionValue := flag.String("dv", "", "The value of the dimension")
flag.Parse()
if *namespace == "" || *metricName == "" || *unit == "" || *dimensionName == "" || *dimensionValue == "" {
fmt.Println("You must supply a namespace, metric name, value, dimension name, and dimension value")
return
}
// snippet-end:[cloudwatch.go.create_custom_metric.args]
// Initialize a session that the SDK uses to load
// credentials from the shared credentials file ~/.aws/credentials
// and configuration from the shared configuration file ~/.aws/config.
// snippet-start:[cloudwatch.go.create_custom_metric.session]
sess := session.Must(session.NewSessionWithOptions(session.Options{
SharedConfigState: session.SharedConfigEnable,
}))
// snippet-end:[cloudwatch.go.create_custom_metric.session]
err := CreateCustomMetric(sess, namespace, metricName, unit, value, dimensionName, dimensionValue)
if err != nil {
log.Fatalf("Could not create custom metric: %v", err)
}
}
// snippet-end:[cloudwatch.go.create_custom_metric]