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smart_test.go
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smart_test.go
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package smart
import (
"fmt"
"os"
"os/exec"
"testing"
"github.com/influxdata/telegraf/testutil"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
)
var (
mockScanData = `/dev/ada0 -d atacam # /dev/ada0, ATA device
`
mockInfoAttributeData = `smartctl 6.5 2016-05-07 r4318 [Darwin 16.4.0 x86_64] (local build)
Copyright (C) 2002-16, Bruce Allen, Christian Franke, www.smartmontools.org
CHECK POWER MODE not implemented, ignoring -n option
=== START OF INFORMATION SECTION ===
Model Family: Apple SD/SM/TS...E/F SSDs
Device Model: APPLE SSD SM256E
Serial Number: S0X5NZBC422720
LU WWN Device Id: 5 002538 043584d30
Firmware Version: CXM09A1Q
User Capacity: 251,000,193,024 bytes [251 GB]
Sector Sizes: 512 bytes logical, 4096 bytes physical
Rotation Rate: Solid State Device
Device is: In smartctl database [for details use: -P show]
ATA Version is: ATA8-ACS T13/1699-D revision 4c
SATA Version is: SATA 3.0, 6.0 Gb/s (current: 6.0 Gb/s)
Local Time is: Thu Feb 9 16:48:45 2017 CET
SMART support is: Available - device has SMART capability.
SMART support is: Enabled
=== START OF READ SMART DATA SECTION ===
SMART overall-health self-assessment test result: PASSED
=== START OF READ SMART DATA SECTION ===
SMART Attributes Data Structure revision number: 1
Vendor Specific SMART Attributes with Thresholds:
ID# ATTRIBUTE_NAME FLAGS VALUE WORST THRESH FAIL RAW_VALUE
1 Raw_Read_Error_Rate -O-RC- 200 200 000 - 0
5 Reallocated_Sector_Ct PO--CK 100 100 000 - 0
9 Power_On_Hours -O--CK 099 099 000 - 2988
12 Power_Cycle_Count -O--CK 085 085 000 - 14879
169 Unknown_Attribute PO--C- 253 253 010 - 2044932921600
173 Wear_Leveling_Count -O--CK 185 185 100 - 957808640337
190 Airflow_Temperature_Cel -O---K 055 040 045 Past 45 (Min/Max 43/57 #2689)
192 Power-Off_Retract_Count -O--C- 097 097 000 - 14716
194 Temperature_Celsius -O---K 066 021 000 - 34 (Min/Max 14/79)
197 Current_Pending_Sector -O---K 100 100 000 - 0
199 UDMA_CRC_Error_Count -O-RC- 200 200 000 - 0
240 Head_Flying_Hours ------ 100 253 000 - 6585h+55m+23.234s
||||||_ K auto-keep
|||||__ C event count
||||___ R error rate
|||____ S speed/performance
||_____ O updated online
|______ P prefailure warning
`
)
func TestGatherAttributes(t *testing.T) {
s := &Smart{
Path: "smartctl",
Attributes: true,
}
// overwriting exec commands with mock commands
execCommand = fakeExecCommand
var acc testutil.Accumulator
err := s.Gather(&acc)
require.NoError(t, err)
assert.Equal(t, 65, acc.NFields(), "Wrong number of fields gathered")
var testsAda0Attributes = []struct {
fields map[string]interface{}
tags map[string]string
}{
{
map[string]interface{}{
"value": int64(200),
"worst": int64(200),
"threshold": int64(0),
"raw_value": int64(0),
"exit_status": int(0),
},
map[string]string{
"device": "ada0",
"serial_no": "S0X5NZBC422720",
"wwn": "5002538043584d30",
"id": "1",
"name": "Raw_Read_Error_Rate",
"flags": "-O-RC-",
"fail": "-",
},
},
{
map[string]interface{}{
"value": int64(100),
"worst": int64(100),
"threshold": int64(0),
"raw_value": int64(0),
"exit_status": int(0),
},
map[string]string{
"device": "ada0",
"serial_no": "S0X5NZBC422720",
"wwn": "5002538043584d30",
"id": "5",
"name": "Reallocated_Sector_Ct",
"flags": "PO--CK",
"fail": "-",
},
},
{
map[string]interface{}{
"value": int64(99),
"worst": int64(99),
"threshold": int64(0),
"raw_value": int64(2988),
"exit_status": int(0),
},
map[string]string{
"device": "ada0",
"serial_no": "S0X5NZBC422720",
"wwn": "5002538043584d30",
"id": "9",
"name": "Power_On_Hours",
"flags": "-O--CK",
"fail": "-",
},
},
{
map[string]interface{}{
"value": int64(85),
"worst": int64(85),
"threshold": int64(0),
"raw_value": int64(14879),
"exit_status": int(0),
},
map[string]string{
"device": "ada0",
"serial_no": "S0X5NZBC422720",
"wwn": "5002538043584d30",
"id": "12",
"name": "Power_Cycle_Count",
"flags": "-O--CK",
"fail": "-",
},
},
{
map[string]interface{}{
"value": int64(253),
"worst": int64(253),
"threshold": int64(10),
"raw_value": int64(2044932921600),
"exit_status": int(0),
},
map[string]string{
"device": "ada0",
"serial_no": "S0X5NZBC422720",
"wwn": "5002538043584d30",
"id": "169",
"name": "Unknown_Attribute",
"flags": "PO--C-",
"fail": "-",
},
},
{
map[string]interface{}{
"value": int64(185),
"worst": int64(185),
"threshold": int64(100),
"raw_value": int64(957808640337),
"exit_status": int(0),
},
map[string]string{
"device": "ada0",
"serial_no": "S0X5NZBC422720",
"wwn": "5002538043584d30",
"id": "173",
"name": "Wear_Leveling_Count",
"flags": "-O--CK",
"fail": "-",
},
},
{
map[string]interface{}{
"value": int64(55),
"worst": int64(40),
"threshold": int64(45),
"raw_value": int64(45),
"exit_status": int(0),
},
map[string]string{
"device": "ada0",
"serial_no": "S0X5NZBC422720",
"wwn": "5002538043584d30",
"id": "190",
"name": "Airflow_Temperature_Cel",
"flags": "-O---K",
"fail": "Past",
},
},
{
map[string]interface{}{
"value": int64(97),
"worst": int64(97),
"threshold": int64(0),
"raw_value": int64(14716),
"exit_status": int(0),
},
map[string]string{
"device": "ada0",
"serial_no": "S0X5NZBC422720",
"wwn": "5002538043584d30",
"id": "192",
"name": "Power-Off_Retract_Count",
"flags": "-O--C-",
"fail": "-",
},
},
{
map[string]interface{}{
"value": int64(66),
"worst": int64(21),
"threshold": int64(0),
"raw_value": int64(34),
"exit_status": int(0),
},
map[string]string{
"device": "ada0",
"serial_no": "S0X5NZBC422720",
"wwn": "5002538043584d30",
"id": "194",
"name": "Temperature_Celsius",
"flags": "-O---K",
"fail": "-",
},
},
{
map[string]interface{}{
"value": int64(100),
"worst": int64(100),
"threshold": int64(0),
"raw_value": int64(0),
"exit_status": int(0),
},
map[string]string{
"device": "ada0",
"serial_no": "S0X5NZBC422720",
"wwn": "5002538043584d30",
"id": "197",
"name": "Current_Pending_Sector",
"flags": "-O---K",
"fail": "-",
},
},
{
map[string]interface{}{
"value": int64(200),
"worst": int64(200),
"threshold": int64(0),
"raw_value": int64(0),
"exit_status": int(0),
},
map[string]string{
"device": "ada0",
"serial_no": "S0X5NZBC422720",
"wwn": "5002538043584d30",
"id": "199",
"name": "UDMA_CRC_Error_Count",
"flags": "-O-RC-",
"fail": "-",
},
},
{
map[string]interface{}{
"value": int64(100),
"worst": int64(253),
"threshold": int64(0),
"raw_value": int64(23709323),
"exit_status": int(0),
},
map[string]string{
"device": "ada0",
"serial_no": "S0X5NZBC422720",
"wwn": "5002538043584d30",
"id": "240",
"name": "Head_Flying_Hours",
"flags": "------",
"fail": "-",
},
},
}
for _, test := range testsAda0Attributes {
acc.AssertContainsTaggedFields(t, "smart_attribute", test.fields, test.tags)
}
// tags = map[string]string{}
var testsAda0Device = []struct {
fields map[string]interface{}
tags map[string]string
}{
{
map[string]interface{}{
"exit_status": int(0),
"health_ok": bool(true),
"read_error_rate": int64(0),
"temp_c": int64(34),
"udma_crc_errors": int64(0),
},
map[string]string{
"device": "ada0",
"model": "APPLE SSD SM256E",
"serial_no": "S0X5NZBC422720",
"wwn": "5002538043584d30",
"enabled": "Enabled",
"capacity": "251000193024",
},
},
}
for _, test := range testsAda0Device {
acc.AssertContainsTaggedFields(t, "smart_device", test.fields, test.tags)
}
}
func TestGatherNoAttributes(t *testing.T) {
s := &Smart{
Path: "smartctl",
Attributes: false,
}
// overwriting exec commands with mock commands
execCommand = fakeExecCommand
var acc testutil.Accumulator
err := s.Gather(&acc)
require.NoError(t, err)
assert.Equal(t, 5, acc.NFields(), "Wrong number of fields gathered")
acc.AssertDoesNotContainMeasurement(t, "smart_attribute")
// tags = map[string]string{}
var testsAda0Device = []struct {
fields map[string]interface{}
tags map[string]string
}{
{
map[string]interface{}{
"exit_status": int(0),
"health_ok": bool(true),
"read_error_rate": int64(0),
"temp_c": int64(34),
"udma_crc_errors": int64(0),
},
map[string]string{
"device": "ada0",
"model": "APPLE SSD SM256E",
"serial_no": "S0X5NZBC422720",
"wwn": "5002538043584d30",
"enabled": "Enabled",
"capacity": "251000193024",
},
},
}
for _, test := range testsAda0Device {
acc.AssertContainsTaggedFields(t, "smart_device", test.fields, test.tags)
}
}
func TestExcludedDev(t *testing.T) {
assert.Equal(t, true, excludedDev([]string{"/dev/pass6"}, "/dev/pass6 -d atacam"), "Should be excluded.")
assert.Equal(t, false, excludedDev([]string{}, "/dev/pass6 -d atacam"), "Shouldn't be excluded.")
assert.Equal(t, false, excludedDev([]string{"/dev/pass6"}, "/dev/pass1 -d atacam"), "Shouldn't be excluded.")
}
// fackeExecCommand is a helper function that mock
// the exec.Command call (and call the test binary)
func fakeExecCommand(command string, args ...string) *exec.Cmd {
cs := []string{"-test.run=TestHelperProcess", "--", command}
cs = append(cs, args...)
cmd := exec.Command(os.Args[0], cs...)
cmd.Env = []string{"GO_WANT_HELPER_PROCESS=1"}
return cmd
}
// TestHelperProcess isn't a real test. It's used to mock exec.Command
// For example, if you run:
// GO_WANT_HELPER_PROCESS=1 go test -test.run=TestHelperProcess -- --scan
// it returns below mockScanData.
func TestHelperProcess(t *testing.T) {
if os.Getenv("GO_WANT_HELPER_PROCESS") != "1" {
return
}
args := os.Args
// Previous arguments are tests stuff, that looks like :
// /tmp/go-build970079519/…/_test/integration.test -test.run=TestHelperProcess --
cmd, arg1, args := args[3], args[4], args[5:]
if cmd == "smartctl" {
if arg1 == "--scan" {
fmt.Fprint(os.Stdout, mockScanData)
}
if arg1 == "--info" {
fmt.Fprint(os.Stdout, mockInfoAttributeData)
}
} else {
fmt.Fprint(os.Stdout, "command not found")
os.Exit(1)
}
os.Exit(0)
}