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Adding upstream version 1.34.4.

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Signed-off-by: Daniel Baumann <daniel@debian.org>
This commit is contained in:
Daniel Baumann 2025-05-24 07:26:29 +02:00
parent e393c3af3f
commit 4978089aab
Signed by: daniel
GPG key ID: FBB4F0E80A80222F
4963 changed files with 677545 additions and 0 deletions
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208
plugins/inputs/kernel/kernel_test.go Normal file
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//go:build linux
package kernel
import (
"testing"
"time"
"github.com/stretchr/testify/require"
"github.com/influxdata/telegraf"
"github.com/influxdata/telegraf/metric"
"github.com/influxdata/telegraf/testutil"
)
func TestGetProcValueInt(t *testing.T) {
d, err := getProcValueInt("testdata/entropy_stat_file_full")
require.NoError(t, err)
require.IsType(t, int64(1), d)
}
func TestGetProcValueByte(t *testing.T) {
d, err := getProcValueBytes("testdata/entropy_stat_file_full")
require.NoError(t, err)
require.IsType(t, []byte("test"), d)
}
func TestFullProcFile(t *testing.T) {
k := Kernel{
statFile: "testdata/stat_file_full",
entropyStatFile: "testdata/entropy_stat_file_full",
}
acc := testutil.Accumulator{}
require.NoError(t, k.Gather(&acc))
expected := []telegraf.Metric{
metric.New(
"kernel",
map[string]string{},
map[string]interface{}{
"boot_time": int64(1457505775),
"context_switches": int64(2626618),
"disk_pages_in": int64(5741),
"disk_pages_out": int64(1808),
"interrupts": int64(1472736),
"processes_forked": int64(10673),
"entropy_avail": int64(1024),
},
time.Unix(0, 0),
1,
),
}
testutil.RequireMetricsEqual(t, expected, acc.GetTelegrafMetrics(), testutil.IgnoreTime())
}
func TestPartialProcFile(t *testing.T) {
k := Kernel{
statFile: "testdata/stat_file_partial",
entropyStatFile: "testdata/entropy_stat_file_partial",
}
acc := testutil.Accumulator{}
require.NoError(t, k.Gather(&acc))
fields := map[string]interface{}{
"boot_time": int64(1457505775),
"context_switches": int64(2626618),
"disk_pages_in": int64(5741),
"disk_pages_out": int64(1808),
"interrupts": int64(1472736),
"entropy_avail": int64(1024),
}
acc.AssertContainsFields(t, "kernel", fields)
}
func TestInvalidProcFile1(t *testing.T) {
// missing btime measurement
k := Kernel{
statFile: "testdata/stat_file_invalid",
entropyStatFile: "testdata/entropy_stat_file_invalid",
}
acc := testutil.Accumulator{}
err := k.Gather(&acc)
require.Error(t, err)
require.Contains(t, err.Error(), "invalid syntax")
}
func TestInvalidProcFile2(t *testing.T) {
// missing second page measurement
k := Kernel{
statFile: "testdata/stat_file_invalid2",
}
acc := testutil.Accumulator{}
err := k.Gather(&acc)
require.Error(t, err)
require.Contains(t, err.Error(), "does not exist")
}
func TestNoProcFile(t *testing.T) {
k := Kernel{
statFile: "testdata/this_file_does_not_exist",
}
acc := testutil.Accumulator{}
err := k.Gather(&acc)
require.Error(t, err)
require.Contains(t, err.Error(), "does not exist")
}
func TestInvalidCollectOption(t *testing.T) {
k := Kernel{
statFile: "testdata/stat_file_full",
entropyStatFile: "testdata/entropy_stat_file_full",
ConfigCollect: []string{"invalidOption"},
}
acc := testutil.Accumulator{}
require.NoError(t, k.Init())
require.NoError(t, k.Gather(&acc))
}
func TestKsmEnabledValidKsmDirectory(t *testing.T) {
k := Kernel{
statFile: "testdata/stat_file_full",
entropyStatFile: "testdata/entropy_stat_file_full",
ksmStatsDir: "testdata/ksm/valid",
ConfigCollect: []string{"ksm"},
}
require.NoError(t, k.Init())
acc := testutil.Accumulator{}
require.NoError(t, k.Gather(&acc))
expected := []telegraf.Metric{
metric.New(
"kernel",
map[string]string{},
map[string]interface{}{
"boot_time": int64(1457505775),
"context_switches": int64(2626618),
"disk_pages_in": int64(5741),
"disk_pages_out": int64(1808),
"interrupts": int64(1472736),
"processes_forked": int64(10673),
"entropy_avail": int64(1024),
"ksm_full_scans": int64(123),
"ksm_max_page_sharing": int64(10000),
"ksm_merge_across_nodes": int64(1),
"ksm_pages_shared": int64(12922),
"ksm_pages_sharing": int64(28384),
"ksm_pages_to_scan": int64(12928),
"ksm_pages_unshared": int64(92847),
"ksm_pages_volatile": int64(2824171),
"ksm_run": int64(1),
"ksm_sleep_millisecs": int64(1000),
"ksm_stable_node_chains": int64(0),
"ksm_stable_node_chains_prune_millisecs": int64(0),
"ksm_stable_node_dups": int64(0),
"ksm_use_zero_pages": int64(1),
},
time.Unix(0, 0),
1,
),
}
testutil.RequireMetricsEqual(t, expected, acc.GetTelegrafMetrics(), testutil.IgnoreTime())
}
func TestKSMEnabledMissingFile(t *testing.T) {
k := Kernel{
statFile: "/proc/stat",
entropyStatFile: "/proc/sys/kernel/random/entropy_avail",
ksmStatsDir: "testdata/ksm/missing",
ConfigCollect: []string{"ksm"},
}
require.NoError(t, k.Init())
acc := testutil.Accumulator{}
require.ErrorContains(t, k.Gather(&acc), "does not exist")
}
func TestKSMEnabledWrongDir(t *testing.T) {
k := Kernel{
ksmStatsDir: "testdata/this_file_does_not_exist",
ConfigCollect: []string{"ksm"},
}
require.ErrorContains(t, k.Init(), "KSM is not enabled in this kernel")
}
func TestKSMDisabledNoKSMTags(t *testing.T) {
k := Kernel{
statFile: "testdata/stat_file_full",
entropyStatFile: "testdata/entropy_stat_file_full",
ksmStatsDir: "testdata/this_file_does_not_exist",
}
acc := testutil.Accumulator{}
require.NoError(t, k.Init())
require.NoError(t, k.Gather(&acc))
require.False(t, acc.HasField("kernel", "ksm_run"))
}