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a2c42d3cd4
This commit adds a new usermetric package and wires up metrics across the tailscale client. Updates tailscale/corp#22075 Co-authored-by: Anton Tolchanov <anton@tailscale.com> Signed-off-by: Kristoffer Dalby <kristoffer@tailscale.com>
26 lines
472 B
Go
26 lines
472 B
Go
// Copyright (c) Tailscale Inc & AUTHORS
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// SPDX-License-Identifier: BSD-3-Clause
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package usermetric
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import (
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"bytes"
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"testing"
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)
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func TestGauge(t *testing.T) {
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g := NewGauge("test_gauge", "This is a test gauge")
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g.Set(15)
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var buf bytes.Buffer
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g.WritePrometheus(&buf, "test_gauge")
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const want = `# TYPE test_gauge gauge
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# HELP test_gauge This is a test gauge
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test_gauge 15
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`
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if got := buf.String(); got != want {
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t.Errorf("got %q; want %q", got, want)
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}
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}
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