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firehose_rate.go
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/
firehose_rate.go
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/*
* Copyright 2017 Google Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package main
import (
"os"
"time"
"code.cloudfoundry.org/lager"
"github.com/cloudfoundry-community/go-cfclient"
"github.com/cloudfoundry-community/stackdriver-tools/src/stackdriver-nozzle/cloudfoundry"
"github.com/cloudfoundry-community/stackdriver-tools/src/stackdriver-nozzle/telemetry"
"golang.org/x/net/context"
)
const cmdName = "firehose-rate-script"
var counter *telemetry.Counter
func init() {
counter = telemetry.NewCounter(telemetry.MetricPrefix(cmdName), "message_count")
}
func main() {
logger := lager.NewLogger(cmdName)
logger.RegisterSink(lager.NewWriterSink(os.Stdout, lager.DEBUG))
apiEndpoint := os.Getenv("FIREHOSE_ENDPOINT")
username := os.Getenv("FIREHOSE_USERNAME")
password := os.Getenv("FIREHOSE_PASSWORD")
_, skipSSLValidation := os.LookupEnv("FIREHOSE_SKIP_SSL")
cfConfig := &cfclient.Config{
ApiAddress: apiEndpoint,
Username: username,
Password: password,
SkipSslValidation: skipSSLValidation}
cfClient, err := cfclient.NewClient(cfConfig)
if err != nil {
logger.Fatal("NewClient", err)
}
client := cloudfoundry.NewFirehose(cfConfig, cfClient, cmdName)
logSink := telemetry.NewLogSink(logger)
reporter := telemetry.NewReporter(5*time.Second, logSink)
reporter.Start(context.Background())
messages, _ := client.Connect()
for range messages {
counter.Increment()
}
}