282 lines
7.0 KiB
Go
282 lines
7.0 KiB
Go
package exec
|
|
|
|
import (
|
|
"bytes"
|
|
"fmt"
|
|
"runtime"
|
|
"testing"
|
|
"time"
|
|
|
|
"github.com/influxdata/telegraf/plugins/parsers"
|
|
"github.com/influxdata/telegraf/testutil"
|
|
"github.com/stretchr/testify/assert"
|
|
"github.com/stretchr/testify/require"
|
|
)
|
|
|
|
// Midnight 9/22/2015
|
|
const baseTimeSeconds = 1442905200
|
|
|
|
const validJson = `
|
|
{
|
|
"status": "green",
|
|
"num_processes": 82,
|
|
"cpu": {
|
|
"status": "red",
|
|
"nil_status": null,
|
|
"used": 8234,
|
|
"free": 32
|
|
},
|
|
"percent": 0.81,
|
|
"users": [0, 1, 2, 3]
|
|
}`
|
|
|
|
const malformedJson = `
|
|
{
|
|
"status": "green",
|
|
`
|
|
|
|
const lineProtocol = "cpu,host=foo,datacenter=us-east usage_idle=99,usage_busy=1\n"
|
|
const lineProtocolEmpty = ""
|
|
const lineProtocolShort = "ab"
|
|
|
|
const lineProtocolMulti = `
|
|
cpu,cpu=cpu0,host=foo,datacenter=us-east usage_idle=99,usage_busy=1
|
|
cpu,cpu=cpu1,host=foo,datacenter=us-east usage_idle=99,usage_busy=1
|
|
cpu,cpu=cpu2,host=foo,datacenter=us-east usage_idle=99,usage_busy=1
|
|
cpu,cpu=cpu3,host=foo,datacenter=us-east usage_idle=99,usage_busy=1
|
|
cpu,cpu=cpu4,host=foo,datacenter=us-east usage_idle=99,usage_busy=1
|
|
cpu,cpu=cpu5,host=foo,datacenter=us-east usage_idle=99,usage_busy=1
|
|
cpu,cpu=cpu6,host=foo,datacenter=us-east usage_idle=99,usage_busy=1
|
|
`
|
|
|
|
type CarriageReturnTest struct {
|
|
input []byte
|
|
output []byte
|
|
}
|
|
|
|
var crTests = []CarriageReturnTest{
|
|
{[]byte{0x4c, 0x69, 0x6e, 0x65, 0x20, 0x31, 0x0d, 0x0a, 0x4c, 0x69,
|
|
0x6e, 0x65, 0x20, 0x32, 0x0d, 0x0a, 0x4c, 0x69, 0x6e, 0x65,
|
|
0x20, 0x33},
|
|
[]byte{0x4c, 0x69, 0x6e, 0x65, 0x20, 0x31, 0x0a, 0x4c, 0x69, 0x6e,
|
|
0x65, 0x20, 0x32, 0x0a, 0x4c, 0x69, 0x6e, 0x65, 0x20, 0x33}},
|
|
{[]byte{0x4c, 0x69, 0x6e, 0x65, 0x20, 0x31, 0x0a, 0x4c, 0x69, 0x6e,
|
|
0x65, 0x20, 0x32, 0x0a, 0x4c, 0x69, 0x6e, 0x65, 0x20, 0x33},
|
|
[]byte{0x4c, 0x69, 0x6e, 0x65, 0x20, 0x31, 0x0a, 0x4c, 0x69, 0x6e,
|
|
0x65, 0x20, 0x32, 0x0a, 0x4c, 0x69, 0x6e, 0x65, 0x20, 0x33}},
|
|
{[]byte{0x54, 0x68, 0x69, 0x73, 0x20, 0x69, 0x73, 0x20, 0x61, 0x6c,
|
|
0x6c, 0x20, 0x6f, 0x6e, 0x65, 0x20, 0x62, 0x69, 0x67, 0x20,
|
|
0x6c, 0x69, 0x6e, 0x65},
|
|
[]byte{0x54, 0x68, 0x69, 0x73, 0x20, 0x69, 0x73, 0x20, 0x61, 0x6c,
|
|
0x6c, 0x20, 0x6f, 0x6e, 0x65, 0x20, 0x62, 0x69, 0x67, 0x20,
|
|
0x6c, 0x69, 0x6e, 0x65}},
|
|
}
|
|
|
|
type runnerMock struct {
|
|
out []byte
|
|
errout []byte
|
|
err error
|
|
}
|
|
|
|
func newRunnerMock(out []byte, errout []byte, err error) Runner {
|
|
return &runnerMock{
|
|
out: out,
|
|
errout: errout,
|
|
err: err,
|
|
}
|
|
}
|
|
|
|
func (r runnerMock) Run(command string, _ time.Duration) ([]byte, []byte, error) {
|
|
return r.out, r.errout, r.err
|
|
}
|
|
|
|
func TestExec(t *testing.T) {
|
|
parser, _ := parsers.NewParser(&parsers.Config{
|
|
DataFormat: "json",
|
|
MetricName: "exec",
|
|
})
|
|
e := &Exec{
|
|
Log: testutil.Logger{},
|
|
runner: newRunnerMock([]byte(validJson), nil, nil),
|
|
Commands: []string{"testcommand arg1"},
|
|
parser: parser,
|
|
}
|
|
|
|
var acc testutil.Accumulator
|
|
err := acc.GatherError(e.Gather)
|
|
require.NoError(t, err)
|
|
assert.Equal(t, acc.NFields(), 8, "non-numeric measurements should be ignored")
|
|
|
|
fields := map[string]interface{}{
|
|
"num_processes": float64(82),
|
|
"cpu_used": float64(8234),
|
|
"cpu_free": float64(32),
|
|
"percent": float64(0.81),
|
|
"users_0": float64(0),
|
|
"users_1": float64(1),
|
|
"users_2": float64(2),
|
|
"users_3": float64(3),
|
|
}
|
|
acc.AssertContainsFields(t, "exec", fields)
|
|
}
|
|
|
|
func TestExecMalformed(t *testing.T) {
|
|
parser, _ := parsers.NewParser(&parsers.Config{
|
|
DataFormat: "json",
|
|
MetricName: "exec",
|
|
})
|
|
e := &Exec{
|
|
Log: testutil.Logger{},
|
|
runner: newRunnerMock([]byte(malformedJson), nil, nil),
|
|
Commands: []string{"badcommand arg1"},
|
|
parser: parser,
|
|
}
|
|
|
|
var acc testutil.Accumulator
|
|
require.Error(t, acc.GatherError(e.Gather))
|
|
assert.Equal(t, acc.NFields(), 0, "No new points should have been added")
|
|
}
|
|
|
|
func TestCommandError(t *testing.T) {
|
|
parser, _ := parsers.NewParser(&parsers.Config{
|
|
DataFormat: "json",
|
|
MetricName: "exec",
|
|
})
|
|
e := &Exec{
|
|
Log: testutil.Logger{},
|
|
runner: newRunnerMock(nil, nil, fmt.Errorf("exit status code 1")),
|
|
Commands: []string{"badcommand"},
|
|
parser: parser,
|
|
}
|
|
|
|
var acc testutil.Accumulator
|
|
require.Error(t, acc.GatherError(e.Gather))
|
|
assert.Equal(t, acc.NFields(), 0, "No new points should have been added")
|
|
}
|
|
|
|
func TestExecCommandWithGlob(t *testing.T) {
|
|
parser, _ := parsers.NewValueParser("metric", "string", nil)
|
|
e := NewExec()
|
|
e.Commands = []string{"/bin/ech* metric_value"}
|
|
e.SetParser(parser)
|
|
|
|
var acc testutil.Accumulator
|
|
err := acc.GatherError(e.Gather)
|
|
require.NoError(t, err)
|
|
|
|
fields := map[string]interface{}{
|
|
"value": "metric_value",
|
|
}
|
|
acc.AssertContainsFields(t, "metric", fields)
|
|
}
|
|
|
|
func TestExecCommandWithoutGlob(t *testing.T) {
|
|
parser, _ := parsers.NewValueParser("metric", "string", nil)
|
|
e := NewExec()
|
|
e.Commands = []string{"/bin/echo metric_value"}
|
|
e.SetParser(parser)
|
|
|
|
var acc testutil.Accumulator
|
|
err := acc.GatherError(e.Gather)
|
|
require.NoError(t, err)
|
|
|
|
fields := map[string]interface{}{
|
|
"value": "metric_value",
|
|
}
|
|
acc.AssertContainsFields(t, "metric", fields)
|
|
}
|
|
|
|
func TestExecCommandWithoutGlobAndPath(t *testing.T) {
|
|
parser, _ := parsers.NewValueParser("metric", "string", nil)
|
|
e := NewExec()
|
|
e.Commands = []string{"echo metric_value"}
|
|
e.SetParser(parser)
|
|
|
|
var acc testutil.Accumulator
|
|
err := acc.GatherError(e.Gather)
|
|
require.NoError(t, err)
|
|
|
|
fields := map[string]interface{}{
|
|
"value": "metric_value",
|
|
}
|
|
acc.AssertContainsFields(t, "metric", fields)
|
|
}
|
|
|
|
func TestTruncate(t *testing.T) {
|
|
tests := []struct {
|
|
name string
|
|
bufF func() *bytes.Buffer
|
|
expF func() *bytes.Buffer
|
|
}{
|
|
{
|
|
name: "should not truncate",
|
|
bufF: func() *bytes.Buffer {
|
|
var b bytes.Buffer
|
|
b.WriteString("hello world")
|
|
return &b
|
|
},
|
|
expF: func() *bytes.Buffer {
|
|
var b bytes.Buffer
|
|
b.WriteString("hello world")
|
|
return &b
|
|
},
|
|
},
|
|
{
|
|
name: "should truncate up to the new line",
|
|
bufF: func() *bytes.Buffer {
|
|
var b bytes.Buffer
|
|
b.WriteString("hello world\nand all the people")
|
|
return &b
|
|
},
|
|
expF: func() *bytes.Buffer {
|
|
var b bytes.Buffer
|
|
b.WriteString("hello world...")
|
|
return &b
|
|
},
|
|
},
|
|
{
|
|
name: "should truncate to the MaxStderrBytes",
|
|
bufF: func() *bytes.Buffer {
|
|
var b bytes.Buffer
|
|
for i := 0; i < 2*MaxStderrBytes; i++ {
|
|
b.WriteByte('b')
|
|
}
|
|
return &b
|
|
},
|
|
expF: func() *bytes.Buffer {
|
|
var b bytes.Buffer
|
|
for i := 0; i < MaxStderrBytes; i++ {
|
|
b.WriteByte('b')
|
|
}
|
|
b.WriteString("...")
|
|
return &b
|
|
},
|
|
},
|
|
}
|
|
|
|
for _, tt := range tests {
|
|
t.Run(tt.name, func(t *testing.T) {
|
|
res := truncate(*tt.bufF())
|
|
require.Equal(t, tt.expF().Bytes(), res.Bytes())
|
|
})
|
|
}
|
|
}
|
|
|
|
func TestRemoveCarriageReturns(t *testing.T) {
|
|
if runtime.GOOS == "windows" {
|
|
// Test that all carriage returns are removed
|
|
for _, test := range crTests {
|
|
b := bytes.NewBuffer(test.input)
|
|
out := removeCarriageReturns(*b)
|
|
assert.True(t, bytes.Equal(test.output, out.Bytes()))
|
|
}
|
|
} else {
|
|
// Test that the buffer is returned unaltered
|
|
for _, test := range crTests {
|
|
b := bytes.NewBuffer(test.input)
|
|
out := removeCarriageReturns(*b)
|
|
assert.True(t, bytes.Equal(test.input, out.Bytes()))
|
|
}
|
|
}
|
|
}
|