/
monitoring.go
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/
monitoring.go
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// Copyright 2018 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 controller
import (
"github.com/prometheus/client_golang/prometheus"
)
const (
errorlabel = "error"
)
var (
serviceAccountCreationCounts = prometheus.NewCounterVec(prometheus.CounterOpts{
Namespace: "citadel",
Subsystem: "secret_controller",
Name: "svc_acc_created_cert_count",
Help: "The number of certificates created due to service account creation.",
}, []string{})
serviceAccountDeletionCounts = prometheus.NewCounterVec(prometheus.CounterOpts{
Namespace: "citadel",
Subsystem: "secret_controller",
Name: "svc_acc_deleted_cert_count",
Help: "The number of certificates deleted due to service account deletion.",
}, []string{})
secretDeletionCounts = prometheus.NewCounterVec(prometheus.CounterOpts{
Namespace: "citadel",
Subsystem: "secret_controller",
Name: "secret_deleted_cert_count",
Help: "The number of certificates recreated due to secret deletion (service account still exists).",
}, []string{})
csrErrorCounts = prometheus.NewCounterVec(prometheus.CounterOpts{
Namespace: "citadel",
Subsystem: "secret_controller",
Name: "csr_err_count",
Help: "The number of errors occurred when creating the CSR.",
}, []string{})
certSignErrorCounts = prometheus.NewCounterVec(prometheus.CounterOpts{
Namespace: "citadel",
Subsystem: "secret_controller",
Name: "csr_sign_err_count",
Help: "The number of erorrs occurred when signing the CSR.",
}, []string{errorlabel})
)
func init() {
prometheus.MustRegister(serviceAccountCreationCounts)
prometheus.MustRegister(serviceAccountDeletionCounts)
prometheus.MustRegister(secretDeletionCounts)
prometheus.MustRegister(csrErrorCounts)
prometheus.MustRegister(certSignErrorCounts)
}
// monitoringMetrics are counters for secret controller operations.
type monitoringMetrics struct {
ServiceAccountCreation prometheus.Counter
ServiceAccountDeletion prometheus.Counter
SecretDeletion prometheus.Counter
CSRError prometheus.Counter
certSignErrors *prometheus.CounterVec
}
// newMonitoringMetrics creates a new monitoringMetrics.
func newMonitoringMetrics() monitoringMetrics {
return monitoringMetrics{
ServiceAccountCreation: serviceAccountCreationCounts.With(prometheus.Labels{}),
ServiceAccountDeletion: serviceAccountDeletionCounts.With(prometheus.Labels{}),
SecretDeletion: secretDeletionCounts.With(prometheus.Labels{}),
CSRError: csrErrorCounts.With(prometheus.Labels{}),
certSignErrors: certSignErrorCounts,
}
}
func (m *monitoringMetrics) GetCertSignError(err string) prometheus.Counter {
return m.certSignErrors.With(prometheus.Labels{errorlabel: err})
}