b4add82bb6
* Add metrics for nodes online and offline * Add cluster capacity metrics * Introduce v2 metrics
62 lines
1.9 KiB
Go
62 lines
1.9 KiB
Go
/*
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* MinIO Cloud Storage, (C) 2018 MinIO, Inc.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package cmd
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import (
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"os"
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"strings"
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"github.com/gorilla/mux"
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)
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const (
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prometheusMetricsPathLegacy = "/prometheus/metrics"
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prometheusMetricsV2ClusterPath = "/v2/metrics/cluster"
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prometheusMetricsV2NodePath = "/v2/metrics/node"
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)
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// Standard env prometheus auth type
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const (
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EnvPrometheusAuthType = "MINIO_PROMETHEUS_AUTH_TYPE"
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)
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type prometheusAuthType string
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const (
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prometheusJWT prometheusAuthType = "jwt"
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prometheusPublic prometheusAuthType = "public"
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)
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// registerMetricsRouter - add handler functions for metrics.
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func registerMetricsRouter(router *mux.Router) {
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// metrics router
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metricsRouter := router.NewRoute().PathPrefix(minioReservedBucketPath).Subrouter()
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authType := strings.ToLower(os.Getenv(EnvPrometheusAuthType))
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switch prometheusAuthType(authType) {
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case prometheusPublic:
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metricsRouter.Handle(prometheusMetricsPathLegacy, metricsHandler())
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metricsRouter.Handle(prometheusMetricsV2ClusterPath, metricsServerHandler())
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metricsRouter.Handle(prometheusMetricsV2NodePath, metricsNodeHandler())
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case prometheusJWT:
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fallthrough
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default:
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metricsRouter.Handle(prometheusMetricsPathLegacy, AuthMiddleware(metricsHandler()))
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metricsRouter.Handle(prometheusMetricsV2ClusterPath, AuthMiddleware(metricsServerHandler()))
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metricsRouter.Handle(prometheusMetricsV2NodePath, AuthMiddleware(metricsNodeHandler()))
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}
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}
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