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63 lines
2.1 KiB
Go
63 lines
2.1 KiB
Go
// Copyright (c) 2015-2021 MinIO, Inc.
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//
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// This file is part of MinIO Object Storage stack
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Affero General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Affero General Public License for more details.
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//
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// You should have received a copy of the GNU Affero General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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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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