510 lines
13 KiB
Go
510 lines
13 KiB
Go
package syslog
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import (
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"crypto/tls"
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"fmt"
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"io/ioutil"
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"net"
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"os"
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"path/filepath"
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"testing"
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"time"
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"github.com/google/go-cmp/cmp"
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"github.com/influxdata/telegraf/internal"
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framing "github.com/influxdata/telegraf/internal/syslog"
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"github.com/influxdata/telegraf/testutil"
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"github.com/stretchr/testify/require"
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)
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func getTestCasesForOctetCounting() []testCaseStream {
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testCases := []testCaseStream{
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{
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name: "1st/avg/ok",
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data: []byte(`188 <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`),
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wantStrict: []testutil.Metric{
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{
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Measurement: "syslog",
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Fields: map[string]interface{}{
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"version": uint16(1),
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"timestamp": time.Unix(1456029177, 0).UnixNano(),
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"procid": "2341",
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"msgid": "2",
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"message": `"GET /v1/ok HTTP/1.1" 200 145 "-" "hacheck 0.9.0" 24306 127.0.0.1:40124 575`,
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"origin": true,
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"meta_sequence": "14125553",
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"meta_service": "someservice",
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"severity_code": 5,
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"facility_code": 3,
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},
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Tags: map[string]string{
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"severity": "notice",
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"facility": "daemon",
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"hostname": "web1",
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"appname": "someservice",
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},
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Time: defaultTime,
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},
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},
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wantBestEffort: []testutil.Metric{
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{
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Measurement: "syslog",
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Fields: map[string]interface{}{
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"version": uint16(1),
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"timestamp": time.Unix(1456029177, 0).UnixNano(),
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"procid": "2341",
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"msgid": "2",
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"message": `"GET /v1/ok HTTP/1.1" 200 145 "-" "hacheck 0.9.0" 24306 127.0.0.1:40124 575`,
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"origin": true,
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"meta_sequence": "14125553",
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"meta_service": "someservice",
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"severity_code": 5,
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"facility_code": 3,
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},
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Tags: map[string]string{
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"severity": "notice",
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"facility": "daemon",
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"hostname": "web1",
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"appname": "someservice",
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},
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Time: defaultTime,
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},
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},
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},
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{
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name: "1st/min/ok//2nd/min/ok",
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data: []byte("16 <1>2 - - - - - -17 <4>11 - - - - - -"),
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wantStrict: []testutil.Metric{
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{
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Measurement: "syslog",
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Fields: map[string]interface{}{
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"version": uint16(2),
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"severity_code": 1,
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"facility_code": 0,
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},
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Tags: map[string]string{
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"severity": "alert",
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"facility": "kern",
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},
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Time: defaultTime,
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},
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{
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Measurement: "syslog",
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Fields: map[string]interface{}{
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"version": uint16(11),
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"severity_code": 4,
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"facility_code": 0,
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},
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Tags: map[string]string{
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"severity": "warning",
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"facility": "kern",
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},
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Time: defaultTime.Add(time.Nanosecond),
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},
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},
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wantBestEffort: []testutil.Metric{
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{
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Measurement: "syslog",
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Fields: map[string]interface{}{
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"version": uint16(2),
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"severity_code": 1,
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"facility_code": 0,
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},
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Tags: map[string]string{
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"severity": "alert",
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"facility": "kern",
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},
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Time: defaultTime,
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},
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{
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Measurement: "syslog",
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Fields: map[string]interface{}{
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"version": uint16(11),
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"severity_code": 4,
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"facility_code": 0,
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},
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Tags: map[string]string{
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"severity": "warning",
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"facility": "kern",
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},
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Time: defaultTime.Add(time.Nanosecond),
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},
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},
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},
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{
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name: "1st/utf8/ok",
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data: []byte("23 <1>1 - - - - - - hellø"),
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wantStrict: []testutil.Metric{
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{
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Measurement: "syslog",
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Fields: map[string]interface{}{
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"version": uint16(1),
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"message": "hellø",
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"severity_code": 1,
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"facility_code": 0,
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},
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Tags: map[string]string{
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"severity": "alert",
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"facility": "kern",
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},
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Time: defaultTime,
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},
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},
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wantBestEffort: []testutil.Metric{
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{
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Measurement: "syslog",
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Fields: map[string]interface{}{
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"version": uint16(1),
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"message": "hellø",
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"severity_code": 1,
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"facility_code": 0,
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},
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Tags: map[string]string{
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"severity": "alert",
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"facility": "kern",
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},
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Time: defaultTime,
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},
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},
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},
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{
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name: "1st/nl/ok", // newline
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data: []byte("28 <1>3 - - - - - - hello\nworld"),
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wantStrict: []testutil.Metric{
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{
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Measurement: "syslog",
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Fields: map[string]interface{}{
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"version": uint16(3),
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"message": "hello\nworld",
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"severity_code": 1,
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"facility_code": 0,
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},
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Tags: map[string]string{
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"severity": "alert",
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"facility": "kern",
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},
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Time: defaultTime,
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},
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},
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wantBestEffort: []testutil.Metric{
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{
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Measurement: "syslog",
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Fields: map[string]interface{}{
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"version": uint16(3),
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"message": "hello\nworld",
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"severity_code": 1,
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"facility_code": 0,
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},
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Tags: map[string]string{
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"severity": "alert",
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"facility": "kern",
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},
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Time: defaultTime,
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},
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},
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},
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{
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name: "1st/uf/ko", // underflow (msglen less than provided octets)
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data: []byte("16 <1>2"),
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wantStrict: nil,
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wantBestEffort: []testutil.Metric{
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{
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Measurement: "syslog",
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Fields: map[string]interface{}{
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"version": uint16(2),
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"severity_code": 1,
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"facility_code": 0,
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},
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Tags: map[string]string{
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"severity": "alert",
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"facility": "kern",
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},
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Time: defaultTime,
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},
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},
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werr: 1,
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},
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{
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name: "1st/min/ok",
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data: []byte("16 <1>1 - - - - - -"),
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wantStrict: []testutil.Metric{
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{
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Measurement: "syslog",
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Fields: map[string]interface{}{
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"version": uint16(1),
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"severity_code": 1,
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"facility_code": 0,
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},
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Tags: map[string]string{
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"severity": "alert",
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"facility": "kern",
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},
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Time: defaultTime,
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},
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},
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wantBestEffort: []testutil.Metric{
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{
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Measurement: "syslog",
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Fields: map[string]interface{}{
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"version": uint16(1),
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"severity_code": 1,
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"facility_code": 0,
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},
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Tags: map[string]string{
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"severity": "alert",
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"facility": "kern",
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},
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Time: defaultTime,
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},
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},
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},
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{
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name: "1st/uf/mf", // The first "underflow" message breaks also the second one
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data: []byte("16 <1>217 <11>1 - - - - - -"),
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wantStrict: nil,
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wantBestEffort: []testutil.Metric{
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{
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Measurement: "syslog",
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Fields: map[string]interface{}{
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"version": uint16(217),
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"severity_code": 1,
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"facility_code": 0,
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},
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Tags: map[string]string{
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"severity": "alert",
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"facility": "kern",
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},
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Time: defaultTime,
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},
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},
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werr: 1,
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},
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// {
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// name: "1st/of/ko", // overflow (msglen greather then max allowed octets)
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// data: []byte(fmt.Sprintf("8193 <%d>%d %s %s %s %s %s 12 %s", maxP, maxV, maxTS, maxH, maxA, maxPID, maxMID, message7681)),
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// want: []testutil.Metric{},
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// },
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{
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name: "1st/max/ok",
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data: []byte(fmt.Sprintf("8192 <%d>%d %s %s %s %s %s - %s", maxP, maxV, maxTS, maxH, maxA, maxPID, maxMID, message7681)),
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wantStrict: []testutil.Metric{
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{
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Measurement: "syslog",
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Fields: map[string]interface{}{
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"version": maxV,
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"timestamp": time.Unix(1514764799, 999999000).UnixNano(),
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"message": message7681,
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"procid": maxPID,
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"msgid": maxMID,
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"facility_code": 23,
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"severity_code": 7,
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},
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Tags: map[string]string{
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"severity": "debug",
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"facility": "local7",
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"hostname": maxH,
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"appname": maxA,
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},
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Time: defaultTime,
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},
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},
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wantBestEffort: []testutil.Metric{
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{
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Measurement: "syslog",
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Fields: map[string]interface{}{
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"version": maxV,
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"timestamp": time.Unix(1514764799, 999999000).UnixNano(),
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"message": message7681,
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"procid": maxPID,
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"msgid": maxMID,
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"facility_code": 23,
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"severity_code": 7,
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},
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Tags: map[string]string{
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"severity": "debug",
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"facility": "local7",
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"hostname": maxH,
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"appname": maxA,
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},
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Time: defaultTime,
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},
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},
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},
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}
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return testCases
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}
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func testStrictOctetCounting(t *testing.T, protocol string, address string, wantTLS bool, keepAlive *internal.Duration) {
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for _, tc := range getTestCasesForOctetCounting() {
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t.Run(tc.name, func(t *testing.T) {
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// Creation of a strict mode receiver
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receiver := newTCPSyslogReceiver(protocol+"://"+address, keepAlive, 0, false, framing.OctetCounting)
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require.NotNil(t, receiver)
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if wantTLS {
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receiver.ServerConfig = *pki.TLSServerConfig()
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}
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require.Equal(t, receiver.KeepAlivePeriod, keepAlive)
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acc := &testutil.Accumulator{}
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require.NoError(t, receiver.Start(acc))
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defer receiver.Stop()
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// Connect
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var conn net.Conn
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var err error
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if wantTLS {
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config, e := pki.TLSClientConfig().TLSConfig()
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require.NoError(t, e)
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config.ServerName = "localhost"
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conn, err = tls.Dial(protocol, address, config)
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} else {
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conn, err = net.Dial(protocol, address)
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defer conn.Close()
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}
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require.NotNil(t, conn)
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require.NoError(t, err)
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// Clear
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acc.ClearMetrics()
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acc.Errors = make([]error, 0)
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// Write
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_, err = conn.Write(tc.data)
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conn.Close()
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require.NoError(t, err)
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// Wait that the the number of data points is accumulated
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// Since the receiver is running concurrently
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if tc.wantStrict != nil {
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acc.Wait(len(tc.wantStrict))
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}
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// Wait the parsing error
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acc.WaitError(tc.werr)
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// Verify
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if len(acc.Errors) != tc.werr {
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t.Fatalf("Got unexpected errors. want error = %v, errors = %v\n", tc.werr, acc.Errors)
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}
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var got []testutil.Metric
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for _, metric := range acc.Metrics {
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got = append(got, *metric)
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}
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if !cmp.Equal(tc.wantStrict, got) {
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t.Fatalf("Got (+) / Want (-)\n %s", cmp.Diff(tc.wantStrict, got))
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}
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})
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}
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}
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func testBestEffortOctetCounting(t *testing.T, protocol string, address string, wantTLS bool, keepAlive *internal.Duration) {
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for _, tc := range getTestCasesForOctetCounting() {
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t.Run(tc.name, func(t *testing.T) {
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// Creation of a best effort mode receiver
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receiver := newTCPSyslogReceiver(protocol+"://"+address, keepAlive, 0, true, framing.OctetCounting)
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require.NotNil(t, receiver)
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if wantTLS {
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receiver.ServerConfig = *pki.TLSServerConfig()
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}
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require.Equal(t, receiver.KeepAlivePeriod, keepAlive)
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acc := &testutil.Accumulator{}
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require.NoError(t, receiver.Start(acc))
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defer receiver.Stop()
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// Connect
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var conn net.Conn
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var err error
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if wantTLS {
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config, e := pki.TLSClientConfig().TLSConfig()
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require.NoError(t, e)
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config.ServerName = "localhost"
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conn, err = tls.Dial(protocol, address, config)
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} else {
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conn, err = net.Dial(protocol, address)
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}
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require.NotNil(t, conn)
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require.NoError(t, err)
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// Clear
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acc.ClearMetrics()
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acc.Errors = make([]error, 0)
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// Write
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_, err = conn.Write(tc.data)
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require.NoError(t, err)
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conn.Close()
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// Wait that the the number of data points is accumulated
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// Since the receiver is running concurrently
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if tc.wantBestEffort != nil {
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acc.Wait(len(tc.wantBestEffort))
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}
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// Verify
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var got []testutil.Metric
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for _, metric := range acc.Metrics {
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got = append(got, *metric)
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}
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if !cmp.Equal(tc.wantBestEffort, got) {
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t.Fatalf("Got (+) / Want (-)\n %s", cmp.Diff(tc.wantBestEffort, got))
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}
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})
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}
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}
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func TestOctetCountingStrict_tcp(t *testing.T) {
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testStrictOctetCounting(t, "tcp", address, false, nil)
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}
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func TestOctetCountingBestEffort_tcp(t *testing.T) {
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testBestEffortOctetCounting(t, "tcp", address, false, nil)
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}
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func TestOctetCountingStrict_tcp_tls(t *testing.T) {
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testStrictOctetCounting(t, "tcp", address, true, nil)
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}
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func TestOctetCountingBestEffort_tcp_tls(t *testing.T) {
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testBestEffortOctetCounting(t, "tcp", address, true, nil)
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}
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func TestOctetCountingStrictWithKeepAlive_tcp_tls(t *testing.T) {
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testStrictOctetCounting(t, "tcp", address, true, &internal.Duration{Duration: time.Minute})
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}
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func TestOctetCountingStrictWithZeroKeepAlive_tcp_tls(t *testing.T) {
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testStrictOctetCounting(t, "tcp", address, true, &internal.Duration{Duration: 0})
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}
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func TestOctetCountingStrict_unix(t *testing.T) {
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tmpdir, err := ioutil.TempDir("", "telegraf")
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require.NoError(t, err)
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defer os.RemoveAll(tmpdir)
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sock := filepath.Join(tmpdir, "syslog.TestStrict_unix.sock")
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testStrictOctetCounting(t, "unix", sock, false, nil)
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}
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func TestOctetCountingBestEffort_unix(t *testing.T) {
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tmpdir, err := ioutil.TempDir("", "telegraf")
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require.NoError(t, err)
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defer os.RemoveAll(tmpdir)
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sock := filepath.Join(tmpdir, "syslog.TestBestEffort_unix.sock")
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testBestEffortOctetCounting(t, "unix", sock, false, nil)
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}
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func TestOctetCountingStrict_unix_tls(t *testing.T) {
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tmpdir, err := ioutil.TempDir("", "telegraf")
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require.NoError(t, err)
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defer os.RemoveAll(tmpdir)
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sock := filepath.Join(tmpdir, "syslog.TestStrict_unix_tls.sock")
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testStrictOctetCounting(t, "unix", sock, true, nil)
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}
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func TestOctetCountingBestEffort_unix_tls(t *testing.T) {
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tmpdir, err := ioutil.TempDir("", "telegraf")
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require.NoError(t, err)
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defer os.RemoveAll(tmpdir)
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sock := filepath.Join(tmpdir, "syslog.TestBestEffort_unix_tls.sock")
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testBestEffortOctetCounting(t, "unix", sock, true, nil)
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}
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