mirror of
https://github.com/prometheus/node_exporter.git
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4b0986fcee
This collects usage information (per-user) on the Linux kernel keyring See: https://man7.org/linux/man-pages/man7/keyrings.7.html It is disabled by default because cardinality is one-per user. Signed-off-by: Robert Zimmerman <rzimmerman@cloudflare.com>
80 lines
2.7 KiB
Go
80 lines
2.7 KiB
Go
// Copyright 2023 The Prometheus Authors
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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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//go:build linux && !nokey_users
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// +build linux,!nokey_users
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package collector
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import (
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"os"
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"testing"
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)
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func TestKeyUsers(t *testing.T) {
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file, err := os.Open("fixtures/proc/key-users")
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if err != nil {
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t.Fatal(err)
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}
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defer file.Close()
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keyUsers, err := parseKeyUsers(file)
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if err != nil {
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t.Fatal(err)
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}
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if want, got := 51.0, keyUsers[keyUsersEntry{0, "usage"}]; want != got {
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t.Errorf("want uid 0 usage %f, got %f", want, got)
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}
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if want, got := 50.0, keyUsers[keyUsersEntry{0, "nkeys"}]; want != got {
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t.Errorf("want uid 0 nkeys %f, got %f", want, got)
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}
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if want, got := 50.0, keyUsers[keyUsersEntry{0, "nikeys"}]; want != got {
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t.Errorf("want uid 0 nikeys %f, got %f", want, got)
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}
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if want, got := 44.0, keyUsers[keyUsersEntry{0, "qnkeys"}]; want != got {
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t.Errorf("want uid 0 qnkeys %f, got %f", want, got)
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}
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if want, got := 1000000.0, keyUsers[keyUsersEntry{0, "maxkeys"}]; want != got {
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t.Errorf("want uid 0 maxkeys %f, got %f", want, got)
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}
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if want, got := 883.0, keyUsers[keyUsersEntry{0, "qnbytes"}]; want != got {
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t.Errorf("want uid 0 qnbytes %f, got %f", want, got)
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}
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if want, got := 25000000.0, keyUsers[keyUsersEntry{0, "maxbytes"}]; want != got {
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t.Errorf("want uid 0 maxbytes %f, got %f", want, got)
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}
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if want, got := 11.0, keyUsers[keyUsersEntry{1000, "usage"}]; want != got {
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t.Errorf("want uid 0 usage %f, got %f", want, got)
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}
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if want, got := 11.0, keyUsers[keyUsersEntry{1000, "nkeys"}]; want != got {
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t.Errorf("want uid 0 nkeys %f, got %f", want, got)
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}
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if want, got := 12.0, keyUsers[keyUsersEntry{1000, "nikeys"}]; want != got {
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t.Errorf("want uid 0 nikeys %f, got %f", want, got)
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}
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if want, got := 13.0, keyUsers[keyUsersEntry{1000, "qnkeys"}]; want != got {
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t.Errorf("want uid 0 qnkeys %f, got %f", want, got)
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}
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if want, got := 200.0, keyUsers[keyUsersEntry{1000, "maxkeys"}]; want != got {
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t.Errorf("want uid 0 maxkeys %f, got %f", want, got)
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}
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if want, got := 250.0, keyUsers[keyUsersEntry{1000, "qnbytes"}]; want != got {
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t.Errorf("want uid 0 qnbytes %f, got %f", want, got)
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}
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if want, got := 20000.0, keyUsers[keyUsersEntry{1000, "maxbytes"}]; want != got {
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t.Errorf("want uid 0 maxbytes %f, got %f", want, got)
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}
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}
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