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debbe726e0
### Purpose Adds a new metric `syncthing_connections_active` which equals to the amount of active connections per device. Fixes #9527 <!-- Describe the purpose of this change. If there is an existing issue that is resolved by this pull request, ensure that the commit subject is on the form `Some short description (fixes #1234)` where 1234 is the issue number. --> ### Testing I've manually tested it by running syncthing with these changes locally and examining the returned metrics from `/metrics`. I've done the following things: - Connect & disconnect a device - Increase & decrease the number of connections and verify that the value of the metric matches with the amount displayed in the GUI. ### Documentation https://github.com/syncthing/docs/blob/main/includes/metrics-list.rst needs to be regenerated with [find-metrics.go](https://github.com/syncthing/docs/blob/main/_script/find-metrics/find-metrics.go) ## Authorship Your name and email will be added automatically to the AUTHORS file based on the commit metadata. --------- Co-authored-by: Jakob Borg <jakob@kastelo.net>
28 lines
892 B
Go
28 lines
892 B
Go
// Copyright (C) 2024 The Syncthing Authors.
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//
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// This Source Code Form is subject to the terms of the Mozilla Public
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// License, v. 2.0. If a copy of the MPL was not distributed with this file,
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// You can obtain one at https://mozilla.org/MPL/2.0/.
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package connections
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import (
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"github.com/prometheus/client_golang/prometheus"
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"github.com/prometheus/client_golang/prometheus/promauto"
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)
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var (
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metricDeviceActiveConnections = promauto.NewGaugeVec(prometheus.GaugeOpts{
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Namespace: "syncthing",
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Subsystem: "connections",
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Name: "active",
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Help: "Number of currently active connections, per device. If value is 0, the device is disconnected.",
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}, []string{"device"})
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)
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func registerDeviceMetrics(deviceID string) {
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// Register metrics for this device, so that counters & gauges are present even
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// when zero.
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metricDeviceActiveConnections.WithLabelValues(deviceID)
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}
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