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// Eko: A terminal-native social media platform
// Copyright (C) 2025 Kyren223
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as published
// by the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with this program. If not, see <https://www.gnu.org/licenses/>.
package metrics
import (
"github.com/prometheus/client_golang/prometheus"
"github.com/prometheus/client_golang/prometheus/promauto"
)
const namespace = "eko"
var BuildInfo = promauto.NewGaugeVec(prometheus.GaugeOpts{
Namespace: namespace,
Name: "build_info",
Help: "Build information of the binary",
}, []string{"version", "commit", "build_date"})
var RequestsProcessed = promauto.NewCounterVec(prometheus.CounterOpts{
Namespace: namespace,
Name: "requests_processed_total",
Help: "The total number of processed requests",
}, []string{"request_type", "dropped"})
var RequestsInProgress = promauto.NewGaugeVec(prometheus.GaugeOpts{
Namespace: namespace,
Name: "requests_in_progress_total",
Help: "The total number of in-progress requests",
}, []string{"request_type"})
var RequestProcessingDuration = promauto.NewHistogramVec(prometheus.HistogramOpts{
Namespace: namespace,
Name: "request_processing_duration_seconds",
Help: "The duration in seconds it took to process a request",
NativeHistogramBucketFactor: 1.00271,
}, []string{"request_type", "dropped"})
var ConnectionsRateLimited = promauto.NewCounterVec(prometheus.CounterOpts{
Namespace: namespace,
Name: "connections_rate_limited_total",
Help: "The total number of rate limited connections",
}, []string{"category"})
var ConnectionsEstablished = promauto.NewCounter(prometheus.CounterOpts{
Namespace: namespace,
Name: "connections_established_total",
Help: "The total number of established connections",
})
var ConnectionsClosed = promauto.NewCounter(prometheus.CounterOpts{
Namespace: namespace,
Name: "connections_closed_total",
Help: "The total number of closed connections",
})
var ConnectionsActive = promauto.NewGauge(prometheus.GaugeOpts{
Namespace: namespace,
Name: "connections_active_total",
Help: "The total number of active connections",
})
var UsersActive = promauto.NewGauge(prometheus.GaugeOpts{
Namespace: namespace,
Name: "users_active_total",
Help: "The total number of active users",
})
const (
Minute = 60
Hour = 60 * Minute
Day = 24 * Hour
)
var SessionDuration = promauto.NewHistogramVec(prometheus.HistogramOpts{
Namespace: namespace,
Name: "session_duration_seconds",
Help: "The duration in seconds of an authenticated session",
Buckets: []float64{
1, 30, 5 * Minute, 10 * Minute, 30 * Minute,
Hour, 2 * Hour, 3 * Hour, 4 * Hour,
5 * Hour, 6 * Hour, 7 * Hour, 8 * Hour,
10 * Hour, 12 * Hour, 14 * Hour, 16 * Hour,
18 * Hour, 20 * Hour, 22 * Hour, Day,
2 * Day, 7 * Day, 14 * Day, 28 * Day,
},
// NativeHistogramBucketFactor: 1.00271,
// NativeHistogramMaxBucketNumber: 100,
// NativeHistogramMinResetDuration: time.Hour,
}, []string{"os", "arch", "term", "colorterm"})
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