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Add available_entropy field to kernel input plugin (#3524)

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This commit is contained in:
gerardocorea92
2018-01-05 17:54:29 -05:00
committed by Daniel Nelson
parent 163f18f959
commit ae848e9539
3 changed files with 51 additions and 7 deletions
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26
plugins/inputs/system/kernel_test.go
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@@ -14,10 +14,13 @@ import (
func TestFullProcFile(t *testing.T) {
tmpfile := makeFakeStatFile([]byte(statFile_Full))
tmpfile2 := makeFakeStatFile([]byte(entropyStatFile_Full))
defer os.Remove(tmpfile)
defer os.Remove(tmpfile2)
k := Kernel{
statFile: tmpfile,
statFile: tmpfile,
entropyStatFile: tmpfile2,
}
acc := testutil.Accumulator{}
@@ -31,16 +34,20 @@ func TestFullProcFile(t *testing.T) {
"disk_pages_out": int64(1808),
"interrupts": int64(1472736),
"processes_forked": int64(10673),
"entropy_avail": int64(1024),
}
acc.AssertContainsFields(t, "kernel", fields)
}
func TestPartialProcFile(t *testing.T) {
tmpfile := makeFakeStatFile([]byte(statFile_Partial))
tmpfile2 := makeFakeStatFile([]byte(entropyStatFile_Partial))
defer os.Remove(tmpfile)
defer os.Remove(tmpfile2)
k := Kernel{
statFile: tmpfile,
statFile: tmpfile,
entropyStatFile: tmpfile2,
}
acc := testutil.Accumulator{}
@@ -53,16 +60,20 @@ func TestPartialProcFile(t *testing.T) {
"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) {
tmpfile := makeFakeStatFile([]byte(statFile_Invalid))
tmpfile2 := makeFakeStatFile([]byte(entropyStatFile_Invalid))
defer os.Remove(tmpfile)
defer os.Remove(tmpfile2)
k := Kernel{
statFile: tmpfile,
statFile: tmpfile,
entropyStatFile: tmpfile2,
}
acc := testutil.Accumulator{}
@@ -108,6 +119,7 @@ procs_blocked 0
softirq 1031662 0 649485 20946 111071 11620 0 1 0 994 237545
page 5741 1808
swap 1 0
entropy_avail 1024
`
const statFile_Partial = `cpu 6796 252 5655 10444977 175 0 101 0 0 0
@@ -133,6 +145,7 @@ procs_blocked 0
softirq 1031662 0 649485 20946 111071 11620 0 1 0 994 237545
page 5741 1808
swap 1 0
entropy_avail 1024
`
// missing second page measurement
@@ -145,8 +158,15 @@ procs_running 2
page 5741
procs_blocked 0
softirq 1031662 0 649485 20946 111071 11620 0 1 0 994 237545
entropy_avail 1024 2048
`
const entropyStatFile_Full = `1024`
const entropyStatFile_Partial = `1024`
const entropyStatFile_Invalid = ``
func makeFakeStatFile(content []byte) string {
tmpfile, err := ioutil.TempFile("", "kerneltest")
if err != nil {