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|
// SPDX-License-Identifier: GPL-3.0-or-later
package traefik
import (
"net/http"
"net/http/httptest"
"os"
"testing"
"github.com/netdata/netdata/go/go.d.plugin/agent/module"
"github.com/netdata/netdata/go/go.d.plugin/pkg/tlscfg"
"github.com/netdata/netdata/go/go.d.plugin/pkg/web"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
)
var (
dataConfigJSON, _ = os.ReadFile("testdata/config.json")
dataConfigYAML, _ = os.ReadFile("testdata/config.yaml")
dataVer221Metrics, _ = os.ReadFile("testdata/v2.2.1/metrics.txt")
)
func Test_testDataIsValid(t *testing.T) {
for name, data := range map[string][]byte{
"dataConfigJSON": dataConfigJSON,
"dataConfigYAML": dataConfigYAML,
"dataVer221Metrics": dataVer221Metrics,
} {
require.NotNil(t, data, name)
}
}
func TestTraefik_ConfigurationSerialize(t *testing.T) {
module.TestConfigurationSerialize(t, &Traefik{}, dataConfigJSON, dataConfigYAML)
}
func TestTraefik_Init(t *testing.T) {
tests := map[string]struct {
config Config
wantFail bool
}{
"success on default config": {
config: New().Config,
},
"fails on unset 'url'": {
wantFail: true,
config: Config{HTTP: web.HTTP{
Request: web.Request{},
}},
},
"fails on invalid TLSCA": {
wantFail: true,
config: Config{
HTTP: web.HTTP{
Client: web.Client{
TLSConfig: tlscfg.TLSConfig{TLSCA: "testdata/tls"},
},
}},
},
}
for name, test := range tests {
t.Run(name, func(t *testing.T) {
rdb := New()
rdb.Config = test.config
if test.wantFail {
assert.Error(t, rdb.Init())
} else {
assert.NoError(t, rdb.Init())
}
})
}
}
func TestTraefik_Charts(t *testing.T) {
assert.NotNil(t, New().Charts())
}
func TestTraefik_Cleanup(t *testing.T) {
assert.NotPanics(t, New().Cleanup)
}
func TestTraefik_Check(t *testing.T) {
tests := map[string]struct {
wantFail bool
prepare func(t *testing.T) (tk *Traefik, cleanup func())
}{
"success on valid response v2.3.1": {
wantFail: false,
prepare: prepareCaseTraefikV221Metrics,
},
"fails on response with unexpected metrics (not HAProxy)": {
wantFail: true,
prepare: prepareCaseNotTraefikMetrics,
},
"fails on 404 response": {
wantFail: true,
prepare: prepareCase404Response,
},
"fails on connection refused": {
wantFail: true,
prepare: prepareCaseConnectionRefused,
},
}
for name, test := range tests {
t.Run(name, func(t *testing.T) {
tk, cleanup := test.prepare(t)
defer cleanup()
if test.wantFail {
assert.Error(t, tk.Check())
} else {
assert.NoError(t, tk.Check())
}
})
}
}
func TestTraefik_Collect(t *testing.T) {
tests := map[string]struct {
prepare func(t *testing.T) (tk *Traefik, cleanup func())
wantCollected []map[string]int64
}{
"success on valid response v2.2.1": {
prepare: prepareCaseTraefikV221Metrics,
wantCollected: []map[string]int64{
{
"entrypoint_open_connections_traefik_http_GET": 1,
"entrypoint_open_connections_web_http_DELETE": 0,
"entrypoint_open_connections_web_http_GET": 0,
"entrypoint_open_connections_web_http_HEAD": 0,
"entrypoint_open_connections_web_http_OPTIONS": 0,
"entrypoint_open_connections_web_http_PATCH": 0,
"entrypoint_open_connections_web_http_POST": 4,
"entrypoint_open_connections_web_http_PUT": 0,
"entrypoint_open_connections_web_websocket_GET": 0,
"entrypoint_request_duration_average_traefik_http_1xx": 0,
"entrypoint_request_duration_average_traefik_http_2xx": 0,
"entrypoint_request_duration_average_traefik_http_3xx": 0,
"entrypoint_request_duration_average_traefik_http_4xx": 0,
"entrypoint_request_duration_average_traefik_http_5xx": 0,
"entrypoint_request_duration_average_web_http_1xx": 0,
"entrypoint_request_duration_average_web_http_2xx": 0,
"entrypoint_request_duration_average_web_http_3xx": 0,
"entrypoint_request_duration_average_web_http_4xx": 0,
"entrypoint_request_duration_average_web_http_5xx": 0,
"entrypoint_request_duration_average_web_websocket_1xx": 0,
"entrypoint_request_duration_average_web_websocket_2xx": 0,
"entrypoint_request_duration_average_web_websocket_3xx": 0,
"entrypoint_request_duration_average_web_websocket_4xx": 0,
"entrypoint_request_duration_average_web_websocket_5xx": 0,
"entrypoint_requests_traefik_http_1xx": 0,
"entrypoint_requests_traefik_http_2xx": 2840814,
"entrypoint_requests_traefik_http_3xx": 0,
"entrypoint_requests_traefik_http_4xx": 8,
"entrypoint_requests_traefik_http_5xx": 0,
"entrypoint_requests_web_http_1xx": 0,
"entrypoint_requests_web_http_2xx": 1036208982,
"entrypoint_requests_web_http_3xx": 416262,
"entrypoint_requests_web_http_4xx": 267591379,
"entrypoint_requests_web_http_5xx": 223136,
"entrypoint_requests_web_websocket_1xx": 0,
"entrypoint_requests_web_websocket_2xx": 0,
"entrypoint_requests_web_websocket_3xx": 0,
"entrypoint_requests_web_websocket_4xx": 79137,
"entrypoint_requests_web_websocket_5xx": 0,
},
},
},
"properly calculating entrypoint request duration delta": {
prepare: prepareCaseTraefikEntrypointRequestDuration,
wantCollected: []map[string]int64{
{
"entrypoint_request_duration_average_traefik_http_1xx": 0,
"entrypoint_request_duration_average_traefik_http_2xx": 0,
"entrypoint_request_duration_average_traefik_http_3xx": 0,
"entrypoint_request_duration_average_traefik_http_4xx": 0,
"entrypoint_request_duration_average_traefik_http_5xx": 0,
"entrypoint_request_duration_average_web_websocket_1xx": 0,
"entrypoint_request_duration_average_web_websocket_2xx": 0,
"entrypoint_request_duration_average_web_websocket_3xx": 0,
"entrypoint_request_duration_average_web_websocket_4xx": 0,
"entrypoint_request_duration_average_web_websocket_5xx": 0,
},
{
"entrypoint_request_duration_average_traefik_http_1xx": 0,
"entrypoint_request_duration_average_traefik_http_2xx": 500,
"entrypoint_request_duration_average_traefik_http_3xx": 0,
"entrypoint_request_duration_average_traefik_http_4xx": 0,
"entrypoint_request_duration_average_traefik_http_5xx": 0,
"entrypoint_request_duration_average_web_websocket_1xx": 0,
"entrypoint_request_duration_average_web_websocket_2xx": 0,
"entrypoint_request_duration_average_web_websocket_3xx": 250,
"entrypoint_request_duration_average_web_websocket_4xx": 0,
"entrypoint_request_duration_average_web_websocket_5xx": 0,
},
{
"entrypoint_request_duration_average_traefik_http_1xx": 0,
"entrypoint_request_duration_average_traefik_http_2xx": 1000,
"entrypoint_request_duration_average_traefik_http_3xx": 0,
"entrypoint_request_duration_average_traefik_http_4xx": 0,
"entrypoint_request_duration_average_traefik_http_5xx": 0,
"entrypoint_request_duration_average_web_websocket_1xx": 0,
"entrypoint_request_duration_average_web_websocket_2xx": 0,
"entrypoint_request_duration_average_web_websocket_3xx": 500,
"entrypoint_request_duration_average_web_websocket_4xx": 0,
"entrypoint_request_duration_average_web_websocket_5xx": 0,
},
{
"entrypoint_request_duration_average_traefik_http_1xx": 0,
"entrypoint_request_duration_average_traefik_http_2xx": 0,
"entrypoint_request_duration_average_traefik_http_3xx": 0,
"entrypoint_request_duration_average_traefik_http_4xx": 0,
"entrypoint_request_duration_average_traefik_http_5xx": 0,
"entrypoint_request_duration_average_web_websocket_1xx": 0,
"entrypoint_request_duration_average_web_websocket_2xx": 0,
"entrypoint_request_duration_average_web_websocket_3xx": 0,
"entrypoint_request_duration_average_web_websocket_4xx": 0,
"entrypoint_request_duration_average_web_websocket_5xx": 0,
},
},
},
"fails on response with unexpected metrics (not Traefik)": {
prepare: prepareCaseNotTraefikMetrics,
},
"fails on 404 response": {
prepare: prepareCase404Response,
},
"fails on connection refused": {
prepare: prepareCaseConnectionRefused,
},
}
for name, test := range tests {
t.Run(name, func(t *testing.T) {
tk, cleanup := test.prepare(t)
defer cleanup()
var ms map[string]int64
for _, want := range test.wantCollected {
ms = tk.Collect()
assert.Equal(t, want, ms)
}
if len(test.wantCollected) > 0 {
ensureCollectedHasAllChartsDimsVarsIDs(t, tk, ms)
}
})
}
}
func prepareCaseTraefikV221Metrics(t *testing.T) (*Traefik, func()) {
t.Helper()
srv := httptest.NewServer(http.HandlerFunc(
func(w http.ResponseWriter, r *http.Request) {
_, _ = w.Write(dataVer221Metrics)
}))
h := New()
h.URL = srv.URL
require.NoError(t, h.Init())
return h, srv.Close
}
func prepareCaseTraefikEntrypointRequestDuration(t *testing.T) (*Traefik, func()) {
t.Helper()
var num int
srv := httptest.NewServer(http.HandlerFunc(
func(w http.ResponseWriter, r *http.Request) {
num++
switch num {
case 1:
_, _ = w.Write([]byte(`
traefik_entrypoint_request_duration_seconds_sum{code="200",entrypoint="traefik",method="GET",protocol="http"} 10.1
traefik_entrypoint_request_duration_seconds_sum{code="300",entrypoint="web",method="GET",protocol="websocket"} 20.1
traefik_entrypoint_request_duration_seconds_count{code="200",entrypoint="traefik",method="PUT",protocol="http"} 30
traefik_entrypoint_request_duration_seconds_count{code="300",entrypoint="web",method="PUT",protocol="websocket"} 40
`))
case 2:
_, _ = w.Write([]byte(`
traefik_entrypoint_request_duration_seconds_sum{code="200",entrypoint="traefik",method="GET",protocol="http"} 15.1
traefik_entrypoint_request_duration_seconds_sum{code="300",entrypoint="web",method="GET",protocol="websocket"} 25.1
traefik_entrypoint_request_duration_seconds_count{code="200",entrypoint="traefik",method="PUT",protocol="http"} 40
traefik_entrypoint_request_duration_seconds_count{code="300",entrypoint="web",method="PUT",protocol="websocket"} 60
`))
default:
_, _ = w.Write([]byte(`
traefik_entrypoint_request_duration_seconds_sum{code="200",entrypoint="traefik",method="GET",protocol="http"} 25.1
traefik_entrypoint_request_duration_seconds_sum{code="300",entrypoint="web",method="GET",protocol="websocket"} 35.1
traefik_entrypoint_request_duration_seconds_count{code="200",entrypoint="traefik",method="PUT",protocol="http"} 50
traefik_entrypoint_request_duration_seconds_count{code="300",entrypoint="web",method="PUT",protocol="websocket"} 80
`))
}
}))
h := New()
h.URL = srv.URL
require.NoError(t, h.Init())
return h, srv.Close
}
func prepareCaseNotTraefikMetrics(t *testing.T) (*Traefik, func()) {
t.Helper()
srv := httptest.NewServer(http.HandlerFunc(
func(w http.ResponseWriter, r *http.Request) {
_, _ = w.Write([]byte(`
# HELP application_backend_http_responses_total Total number of HTTP responses.
# TYPE application_backend_http_responses_total counter
application_backend_http_responses_total{proxy="infra-traefik-web",code="1xx"} 0
application_backend_http_responses_total{proxy="infra-vernemq-ws",code="1xx"} 4130401
application_backend_http_responses_total{proxy="infra-traefik-web",code="2xx"} 21338013
application_backend_http_responses_total{proxy="infra-vernemq-ws",code="2xx"} 0
application_backend_http_responses_total{proxy="infra-traefik-web",code="3xx"} 10004
application_backend_http_responses_total{proxy="infra-vernemq-ws",code="3xx"} 0
application_backend_http_responses_total{proxy="infra-traefik-web",code="4xx"} 10170758
application_backend_http_responses_total{proxy="infra-vernemq-ws",code="4xx"} 0
application_backend_http_responses_total{proxy="infra-traefik-web",code="5xx"} 3075
application_backend_http_responses_total{proxy="infra-vernemq-ws",code="5xx"} 0
application_backend_http_responses_total{proxy="infra-traefik-web",code="other"} 5657
application_backend_http_responses_total{proxy="infra-vernemq-ws",code="other"} 0
`))
}))
h := New()
h.URL = srv.URL
require.NoError(t, h.Init())
return h, srv.Close
}
func prepareCase404Response(t *testing.T) (*Traefik, func()) {
t.Helper()
srv := httptest.NewServer(http.HandlerFunc(
func(w http.ResponseWriter, r *http.Request) {
w.WriteHeader(http.StatusNotFound)
}))
h := New()
h.URL = srv.URL
require.NoError(t, h.Init())
return h, srv.Close
}
func prepareCaseConnectionRefused(t *testing.T) (*Traefik, func()) {
t.Helper()
h := New()
h.URL = "http://127.0.0.1:38001"
require.NoError(t, h.Init())
return h, func() {}
}
func ensureCollectedHasAllChartsDimsVarsIDs(t *testing.T, tk *Traefik, ms map[string]int64) {
for _, chart := range *tk.Charts() {
if chart.Obsolete {
continue
}
for _, dim := range chart.Dims {
_, ok := ms[dim.ID]
assert.Truef(t, ok, "chart '%s' dim '%s': no dim in collected", dim.ID, chart.ID)
}
for _, v := range chart.Vars {
_, ok := ms[v.ID]
assert.Truef(t, ok, "chart '%s' dim '%s': no dim in collected", v.ID, chart.ID)
}
}
}
|
