Adding upstream version 1.34.4.
Signed-off-by: Daniel Baumann <daniel@debian.org>
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4963 changed files with 677545 additions and 0 deletions
227
plugins/inputs/hugepages/hugepages_test.go
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227
plugins/inputs/hugepages/hugepages_test.go
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//go:build linux
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package hugepages
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import (
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"testing"
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"github.com/stretchr/testify/require"
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"github.com/influxdata/telegraf/testutil"
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)
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func TestInit(t *testing.T) {
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t.Run("when no config is provided then all fields should be set to default values", func(t *testing.T) {
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h := Hugepages{}
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err := h.Init()
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require.NoError(t, err)
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require.True(t, h.gatherRoot)
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require.False(t, h.gatherPerNode)
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require.True(t, h.gatherMeminfo)
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require.Equal(t, rootHugepagePath, h.rootHugepagePath)
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require.Equal(t, numaNodePath, h.numaNodePath)
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require.Equal(t, meminfoPath, h.meminfoPath)
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})
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t.Run("when empty hugepages types is provided then plugin should fail to initialize", func(t *testing.T) {
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h := Hugepages{Types: make([]string, 0)}
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err := h.Init()
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require.Error(t, err)
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require.Contains(t, err.Error(), "plugin was configured with nothing to read")
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})
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t.Run("when valid hugepages types is provided then proper flags should be set", func(t *testing.T) {
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h := Hugepages{Types: []string{"root", "per_node", "meminfo"}}
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err := h.Init()
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require.NoError(t, err)
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require.True(t, h.gatherRoot)
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require.True(t, h.gatherPerNode)
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require.True(t, h.gatherMeminfo)
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})
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t.Run("when hugepages types contains not supported value then plugin should fail to initialize", func(t *testing.T) {
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h := Hugepages{Types: []string{"root", "per_node", "linux_hdd", "meminfo"}}
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err := h.Init()
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require.Error(t, err)
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require.Contains(t, err.Error(), "provided hugepages type")
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})
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}
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func TestGather(t *testing.T) {
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t.Run("when root hugepages type is enabled then gather all root metrics successfully", func(t *testing.T) {
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h := Hugepages{
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rootHugepagePath: "./testdata/valid/mm/hugepages",
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gatherRoot: true,
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}
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acc := &testutil.Accumulator{}
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require.NoError(t, h.Gather(acc))
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expectedFields := map[string]interface{}{
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"free": 883,
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"reserved": 0,
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"surplus": 0,
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"mempolicy": 2048,
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"total": 2048,
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"overcommit": 0,
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}
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acc.AssertContainsTaggedFields(t, "hugepages_root", expectedFields, map[string]string{"size_kb": "2048"})
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expectedFields = map[string]interface{}{
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"free": 0,
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"reserved": 0,
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"surplus": 0,
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"mempolicy": 8,
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"total": 8,
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"overcommit": 0,
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}
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acc.AssertContainsTaggedFields(t, "hugepages_root", expectedFields, map[string]string{"size_kb": "1048576"})
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})
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t.Run("when per node hugepages type is enabled then gather all per node metrics successfully", func(t *testing.T) {
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h := Hugepages{
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numaNodePath: "./testdata/valid/node",
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gatherPerNode: true,
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}
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acc := &testutil.Accumulator{}
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require.NoError(t, h.Gather(acc))
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expectedFields := map[string]interface{}{
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"free": 434,
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"surplus": 0,
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"total": 1024,
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}
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acc.AssertContainsTaggedFields(t, "hugepages_per_node", expectedFields, map[string]string{"size_kb": "2048", "node": "0"})
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expectedFields = map[string]interface{}{
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"free": 449,
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"surplus": 0,
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"total": 1024,
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}
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acc.AssertContainsTaggedFields(t, "hugepages_per_node", expectedFields, map[string]string{"size_kb": "2048", "node": "1"})
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expectedFields = map[string]interface{}{
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"free": 0,
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"surplus": 0,
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"total": 4,
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}
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acc.AssertContainsTaggedFields(t, "hugepages_per_node", expectedFields, map[string]string{"size_kb": "1048576", "node": "0"})
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expectedFields = map[string]interface{}{
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"free": 0,
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"surplus": 0,
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"total": 4,
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}
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acc.AssertContainsTaggedFields(t, "hugepages_per_node", expectedFields, map[string]string{"size_kb": "1048576", "node": "1"})
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})
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t.Run("when meminfo hugepages type is enabled then gather all meminfo metrics successfully", func(t *testing.T) {
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h := Hugepages{
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meminfoPath: "./testdata/valid/meminfo",
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gatherMeminfo: true,
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}
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acc := &testutil.Accumulator{}
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require.NoError(t, h.Gather(acc))
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expectedFields := map[string]interface{}{
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"anonymous_kb": 0,
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"shared_kb": 0,
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"file_kb": 0,
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"total": 2048,
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"free": 883,
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"reserved": 0,
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"surplus": 0,
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"size_kb": 2048,
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"tlb_kb": 12582912,
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}
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acc.AssertContainsFields(t, "hugepages_meminfo", expectedFields)
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})
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t.Run("when root hugepages type is enabled but path is invalid then return error", func(t *testing.T) {
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h := Hugepages{
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rootHugepagePath: "./testdata/not_existing_path",
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gatherRoot: true,
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}
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acc := &testutil.Accumulator{}
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require.Error(t, h.Gather(acc))
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})
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t.Run("when root hugepages type is enabled but files/directories don't have proper naming then gather no metrics", func(t *testing.T) {
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h := Hugepages{
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rootHugepagePath: "./testdata/invalid/1/node0/hugepages",
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gatherRoot: true,
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}
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acc := &testutil.Accumulator{}
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require.NoError(t, h.Gather(acc))
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require.Nil(t, acc.Metrics)
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})
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t.Run("when root hugepages type is enabled but metric file doesn't contain number then return error", func(t *testing.T) {
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h := Hugepages{
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rootHugepagePath: "./testdata/invalid/2/node1/hugepages",
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gatherRoot: true,
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}
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acc := &testutil.Accumulator{}
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require.Error(t, h.Gather(acc))
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})
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t.Run("when per node hugepages type is enabled but path is invalid then return error", func(t *testing.T) {
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h := Hugepages{
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numaNodePath: "./testdata/not_existing_path",
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gatherPerNode: true,
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}
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acc := &testutil.Accumulator{}
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require.Error(t, h.Gather(acc))
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})
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t.Run("when per node hugepages type is enabled but files/directories don't have proper naming then gather no metrics", func(t *testing.T) {
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h := Hugepages{
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numaNodePath: "./testdata/invalid/1",
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gatherPerNode: true,
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}
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acc := &testutil.Accumulator{}
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require.NoError(t, h.Gather(acc))
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require.Nil(t, acc.Metrics)
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})
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t.Run("when per node hugepages type is enabled but metric file doesn't contain number then return error", func(t *testing.T) {
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h := Hugepages{
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numaNodePath: "./testdata/invalid/2/",
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gatherPerNode: true,
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}
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acc := &testutil.Accumulator{}
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require.Error(t, h.Gather(acc))
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})
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t.Run("when meminfo hugepages type is enabled but path is invalid then return error", func(t *testing.T) {
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h := Hugepages{
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meminfoPath: "./testdata/not_existing_path",
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gatherMeminfo: true,
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}
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acc := &testutil.Accumulator{}
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require.Error(t, h.Gather(acc))
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})
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t.Run("when per node hugepages type is enabled but any metric doesn't contain number then return error", func(t *testing.T) {
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h := Hugepages{
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meminfoPath: "./testdata/invalid/meminfo",
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gatherMeminfo: true,
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}
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acc := &testutil.Accumulator{}
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require.Error(t, h.Gather(acc))
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})
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}
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