/
metrics.go
63 lines (53 loc) · 1.81 KB
/
metrics.go
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// Copyright Istio Authors
//
// 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 metrics
import (
"time"
"istio.io/istio/pkg/log"
"istio.io/istio/pkg/monitoring"
)
var (
typeTag = monitoring.CreateLabel("type")
// StartupTime measures the time it takes for the agent to get ready Note: This
// is dependent on readiness probes. This means our granularity is correlated to
// the probing interval.
startupTime = monitoring.NewGauge(
"startup_duration_seconds",
"The time from the process starting to being marked ready.",
)
// scrapeErrors records total number of failed scrapes.
scrapeErrors = monitoring.NewSum(
"scrape_failures_total",
"The total number of failed scrapes.",
)
EnvoyScrapeErrors = scrapeErrors.With(typeTag.Value(ScrapeTypeEnvoy))
AppScrapeErrors = scrapeErrors.With(typeTag.Value(ScrapeTypeApp))
AgentScrapeErrors = scrapeErrors.With(typeTag.Value(ScrapeTypeAgent))
// ScrapeTotals records total number of scrapes.
ScrapeTotals = monitoring.NewSum(
"scrapes_total",
"The total number of scrapes.",
)
)
var (
ScrapeTypeEnvoy = "envoy"
ScrapeTypeApp = "application"
ScrapeTypeAgent = "agent"
)
var processStartTime = time.Now()
func RecordStartupTime() {
delta := time.Since(processStartTime)
startupTime.Record(delta.Seconds())
log.Infof("Readiness succeeded in %v", delta)
}