401 lines
9.1 KiB
Go
401 lines
9.1 KiB
Go
package syslog
|
|
|
|
import (
|
|
"fmt"
|
|
"net"
|
|
"os"
|
|
"sync/atomic"
|
|
"testing"
|
|
"time"
|
|
|
|
"github.com/google/go-cmp/cmp"
|
|
"github.com/influxdata/telegraf/testutil"
|
|
"github.com/stretchr/testify/require"
|
|
)
|
|
|
|
type testCase5426 struct {
|
|
name string
|
|
data []byte
|
|
wantBestEffort *testutil.Metric
|
|
wantStrict *testutil.Metric
|
|
werr bool
|
|
}
|
|
|
|
func getTestCasesForRFC5426() []testCase5426 {
|
|
testCases := []testCase5426{
|
|
{
|
|
name: "empty",
|
|
data: []byte(""),
|
|
werr: true,
|
|
},
|
|
{
|
|
name: "complete",
|
|
data: []byte("<1>1 - - - - - - A"),
|
|
wantBestEffort: &testutil.Metric{
|
|
Measurement: "syslog",
|
|
Fields: map[string]interface{}{
|
|
"version": uint16(1),
|
|
"message": "A",
|
|
"facility_code": 0,
|
|
"severity_code": 1,
|
|
},
|
|
Tags: map[string]string{
|
|
"severity": "alert",
|
|
"facility": "kern",
|
|
},
|
|
Time: defaultTime,
|
|
},
|
|
wantStrict: &testutil.Metric{
|
|
Measurement: "syslog",
|
|
Fields: map[string]interface{}{
|
|
"version": uint16(1),
|
|
"message": "A",
|
|
"facility_code": 0,
|
|
"severity_code": 1,
|
|
},
|
|
Tags: map[string]string{
|
|
"severity": "alert",
|
|
"facility": "kern",
|
|
},
|
|
Time: defaultTime,
|
|
},
|
|
},
|
|
{
|
|
name: "one/per/packet",
|
|
data: []byte("<1>3 - - - - - - A<1>4 - - - - - - B"),
|
|
wantBestEffort: &testutil.Metric{
|
|
Measurement: "syslog",
|
|
Fields: map[string]interface{}{
|
|
"version": uint16(3),
|
|
"message": "A<1>4 - - - - - - B",
|
|
"severity_code": 1,
|
|
"facility_code": 0,
|
|
},
|
|
Tags: map[string]string{
|
|
"severity": "alert",
|
|
"facility": "kern",
|
|
},
|
|
Time: defaultTime,
|
|
},
|
|
wantStrict: &testutil.Metric{
|
|
Measurement: "syslog",
|
|
Fields: map[string]interface{}{
|
|
"version": uint16(3),
|
|
"message": "A<1>4 - - - - - - B",
|
|
"severity_code": 1,
|
|
"facility_code": 0,
|
|
},
|
|
Tags: map[string]string{
|
|
"severity": "alert",
|
|
"facility": "kern",
|
|
},
|
|
Time: defaultTime,
|
|
},
|
|
},
|
|
{
|
|
name: "average",
|
|
data: []byte(`<29>1 2016-02-21T04:32:57+00:00 web1 someservice 2341 2 [origin][meta sequence="14125553" service="someservice"] "GET /v1/ok HTTP/1.1" 200 145 "-" "hacheck 0.9.0" 24306 127.0.0.1:40124 575`),
|
|
wantBestEffort: &testutil.Metric{
|
|
Measurement: "syslog",
|
|
Fields: map[string]interface{}{
|
|
"version": uint16(1),
|
|
"timestamp": time.Unix(1456029177, 0).UnixNano(),
|
|
"procid": "2341",
|
|
"msgid": "2",
|
|
"message": `"GET /v1/ok HTTP/1.1" 200 145 "-" "hacheck 0.9.0" 24306 127.0.0.1:40124 575`,
|
|
"origin": true,
|
|
"meta_sequence": "14125553",
|
|
"meta_service": "someservice",
|
|
"severity_code": 5,
|
|
"facility_code": 3,
|
|
},
|
|
Tags: map[string]string{
|
|
"severity": "notice",
|
|
"facility": "daemon",
|
|
"hostname": "web1",
|
|
"appname": "someservice",
|
|
},
|
|
Time: defaultTime,
|
|
},
|
|
wantStrict: &testutil.Metric{
|
|
Measurement: "syslog",
|
|
Fields: map[string]interface{}{
|
|
"version": uint16(1),
|
|
"timestamp": time.Unix(1456029177, 0).UnixNano(),
|
|
"procid": "2341",
|
|
"msgid": "2",
|
|
"message": `"GET /v1/ok HTTP/1.1" 200 145 "-" "hacheck 0.9.0" 24306 127.0.0.1:40124 575`,
|
|
"origin": true,
|
|
"meta_sequence": "14125553",
|
|
"meta_service": "someservice",
|
|
"severity_code": 5,
|
|
"facility_code": 3,
|
|
},
|
|
Tags: map[string]string{
|
|
"severity": "notice",
|
|
"facility": "daemon",
|
|
"hostname": "web1",
|
|
"appname": "someservice",
|
|
},
|
|
Time: defaultTime,
|
|
},
|
|
},
|
|
{
|
|
name: "max",
|
|
data: []byte(fmt.Sprintf("<%d>%d %s %s %s %s %s - %s", maxP, maxV, maxTS, maxH, maxA, maxPID, maxMID, message7681)),
|
|
wantBestEffort: &testutil.Metric{
|
|
Measurement: "syslog",
|
|
Fields: map[string]interface{}{
|
|
"version": maxV,
|
|
"timestamp": time.Unix(1514764799, 999999000).UnixNano(),
|
|
"message": message7681,
|
|
"procid": maxPID,
|
|
"msgid": maxMID,
|
|
"severity_code": 7,
|
|
"facility_code": 23,
|
|
},
|
|
Tags: map[string]string{
|
|
"severity": "debug",
|
|
"facility": "local7",
|
|
"hostname": maxH,
|
|
"appname": maxA,
|
|
},
|
|
Time: defaultTime,
|
|
},
|
|
wantStrict: &testutil.Metric{
|
|
Measurement: "syslog",
|
|
Fields: map[string]interface{}{
|
|
"version": maxV,
|
|
"timestamp": time.Unix(1514764799, 999999000).UnixNano(),
|
|
"message": message7681,
|
|
"procid": maxPID,
|
|
"msgid": maxMID,
|
|
"severity_code": 7,
|
|
"facility_code": 23,
|
|
},
|
|
Tags: map[string]string{
|
|
"severity": "debug",
|
|
"facility": "local7",
|
|
"hostname": maxH,
|
|
"appname": maxA,
|
|
},
|
|
Time: defaultTime,
|
|
},
|
|
},
|
|
{
|
|
name: "minimal/incomplete",
|
|
data: []byte("<1>2"),
|
|
wantBestEffort: &testutil.Metric{
|
|
Measurement: "syslog",
|
|
Fields: map[string]interface{}{
|
|
"version": uint16(2),
|
|
"facility_code": 0,
|
|
"severity_code": 1,
|
|
},
|
|
Tags: map[string]string{
|
|
"severity": "alert",
|
|
"facility": "kern",
|
|
},
|
|
Time: defaultTime,
|
|
},
|
|
werr: true,
|
|
},
|
|
}
|
|
|
|
return testCases
|
|
}
|
|
|
|
func newUDPSyslogReceiver(address string, bestEffort bool) *Syslog {
|
|
return &Syslog{
|
|
Address: address,
|
|
now: func() time.Time {
|
|
return defaultTime
|
|
},
|
|
BestEffort: bestEffort,
|
|
Separator: "_",
|
|
}
|
|
}
|
|
|
|
func testRFC5426(t *testing.T, protocol string, address string, bestEffort bool) {
|
|
for _, tc := range getTestCasesForRFC5426() {
|
|
t.Run(tc.name, func(t *testing.T) {
|
|
// Create receiver
|
|
receiver := newUDPSyslogReceiver(protocol+"://"+address, bestEffort)
|
|
acc := &testutil.Accumulator{}
|
|
require.NoError(t, receiver.Start(acc))
|
|
defer receiver.Stop()
|
|
|
|
// Clear
|
|
acc.ClearMetrics()
|
|
acc.Errors = make([]error, 0)
|
|
|
|
// Connect
|
|
conn, err := net.Dial(protocol, address)
|
|
require.NotNil(t, conn)
|
|
defer conn.Close()
|
|
require.Nil(t, err)
|
|
|
|
// Write
|
|
_, e := conn.Write(tc.data)
|
|
require.Nil(t, e)
|
|
|
|
// Waiting ...
|
|
if tc.wantStrict == nil && tc.werr || bestEffort && tc.werr {
|
|
acc.WaitError(1)
|
|
}
|
|
if tc.wantBestEffort != nil && bestEffort || tc.wantStrict != nil && !bestEffort {
|
|
acc.Wait(1) // RFC5426 mandates a syslog message per UDP packet
|
|
}
|
|
|
|
// Compare
|
|
var got *testutil.Metric
|
|
var want *testutil.Metric
|
|
if len(acc.Metrics) > 0 {
|
|
got = acc.Metrics[0]
|
|
}
|
|
if bestEffort {
|
|
want = tc.wantBestEffort
|
|
} else {
|
|
want = tc.wantStrict
|
|
}
|
|
if !cmp.Equal(want, got) {
|
|
t.Fatalf("Got (+) / Want (-)\n %s", cmp.Diff(want, got))
|
|
}
|
|
})
|
|
}
|
|
}
|
|
|
|
func TestBestEffort_udp(t *testing.T) {
|
|
testRFC5426(t, "udp", address, true)
|
|
}
|
|
|
|
func TestStrict_udp(t *testing.T) {
|
|
testRFC5426(t, "udp", address, false)
|
|
}
|
|
|
|
func TestBestEffort_unixgram(t *testing.T) {
|
|
sockname := "/tmp/telegraf_test.sock"
|
|
os.Create(sockname)
|
|
testRFC5426(t, "unixgram", sockname, true)
|
|
}
|
|
|
|
func TestStrict_unixgram(t *testing.T) {
|
|
sockname := "/tmp/telegraf_test.sock"
|
|
os.Create(sockname)
|
|
testRFC5426(t, "unixgram", sockname, false)
|
|
}
|
|
|
|
func TestTimeIncrement_udp(t *testing.T) {
|
|
var i int64
|
|
atomic.StoreInt64(&i, 0)
|
|
getNow := func() time.Time {
|
|
if atomic.LoadInt64(&i)%2 == 0 {
|
|
return time.Unix(1, 0)
|
|
}
|
|
return time.Unix(1, 1)
|
|
}
|
|
|
|
// Create receiver
|
|
receiver := &Syslog{
|
|
Address: "udp://" + address,
|
|
now: getNow,
|
|
BestEffort: false,
|
|
Separator: "_",
|
|
}
|
|
acc := &testutil.Accumulator{}
|
|
require.NoError(t, receiver.Start(acc))
|
|
defer receiver.Stop()
|
|
|
|
// Connect
|
|
conn, err := net.Dial("udp", address)
|
|
require.NotNil(t, conn)
|
|
defer conn.Close()
|
|
require.Nil(t, err)
|
|
|
|
// Write
|
|
_, e := conn.Write([]byte("<1>1 - - - - - -"))
|
|
require.Nil(t, e)
|
|
|
|
// Wait
|
|
acc.Wait(1)
|
|
|
|
want := &testutil.Metric{
|
|
Measurement: "syslog",
|
|
Fields: map[string]interface{}{
|
|
"version": uint16(1),
|
|
"facility_code": 0,
|
|
"severity_code": 1,
|
|
},
|
|
Tags: map[string]string{
|
|
"severity": "alert",
|
|
"facility": "kern",
|
|
},
|
|
Time: getNow(),
|
|
}
|
|
|
|
if !cmp.Equal(want, acc.Metrics[0]) {
|
|
t.Fatalf("Got (+) / Want (-)\n %s", cmp.Diff(want, acc.Metrics[0]))
|
|
}
|
|
|
|
// New one with different time
|
|
atomic.StoreInt64(&i, atomic.LoadInt64(&i)+1)
|
|
|
|
// Clear
|
|
acc.ClearMetrics()
|
|
|
|
// Write
|
|
_, e = conn.Write([]byte("<1>1 - - - - - -"))
|
|
require.Nil(t, e)
|
|
|
|
// Wait
|
|
acc.Wait(1)
|
|
|
|
want = &testutil.Metric{
|
|
Measurement: "syslog",
|
|
Fields: map[string]interface{}{
|
|
"version": uint16(1),
|
|
"facility_code": 0,
|
|
"severity_code": 1,
|
|
},
|
|
Tags: map[string]string{
|
|
"severity": "alert",
|
|
"facility": "kern",
|
|
},
|
|
Time: getNow(),
|
|
}
|
|
|
|
if !cmp.Equal(want, acc.Metrics[0]) {
|
|
t.Fatalf("Got (+) / Want (-)\n %s", cmp.Diff(want, acc.Metrics[0]))
|
|
}
|
|
|
|
// New one with same time as previous one
|
|
|
|
// Clear
|
|
acc.ClearMetrics()
|
|
|
|
// Write
|
|
_, e = conn.Write([]byte("<1>1 - - - - - -"))
|
|
require.Nil(t, e)
|
|
|
|
// Wait
|
|
acc.Wait(1)
|
|
|
|
want = &testutil.Metric{
|
|
Measurement: "syslog",
|
|
Fields: map[string]interface{}{
|
|
"version": uint16(1),
|
|
"facility_code": 0,
|
|
"severity_code": 1,
|
|
},
|
|
Tags: map[string]string{
|
|
"severity": "alert",
|
|
"facility": "kern",
|
|
},
|
|
Time: getNow().Add(time.Nanosecond),
|
|
}
|
|
|
|
if !cmp.Equal(want, acc.Metrics[0]) {
|
|
t.Fatalf("Got (+) / Want (-)\n %s", cmp.Diff(want, acc.Metrics[0]))
|
|
}
|
|
}
|