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// SPDX-License-Identifier: GPL-3.0-or-later
package haproxy
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")
dataVer2310Metrics, _ = os.ReadFile("testdata/v2.3.10/metrics.txt")
)
func Test_testDataIsValid(t *testing.T) {
for name, data := range map[string][]byte{
"dataConfigJSON": dataConfigJSON,
"dataConfigYAML": dataConfigYAML,
"dataVer2310Metrics": dataVer2310Metrics,
} {
require.NotNil(t, data, name)
}
}
func TestHaproxy_ConfigurationSerialize(t *testing.T) {
module.TestConfigurationSerialize(t, &Haproxy{}, dataConfigJSON, dataConfigYAML)
}
func TestHaproxy_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 TestHaproxy_Charts(t *testing.T) {
assert.NotNil(t, New().Charts())
}
func TestHaproxy_Cleanup(t *testing.T) {
assert.NotPanics(t, New().Cleanup)
}
func TestHaproxy_Check(t *testing.T) {
tests := map[string]struct {
wantFail bool
prepare func(t *testing.T) (h *Haproxy, cleanup func())
}{
"success on valid response v2.3.1": {
wantFail: false,
prepare: prepareCaseHaproxyV231Metrics,
},
"fails on response with unexpected metrics (not HAProxy)": {
wantFail: true,
prepare: prepareCaseNotHaproxyMetrics,
},
"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) {
h, cleanup := test.prepare(t)
defer cleanup()
if test.wantFail {
assert.Error(t, h.Check())
} else {
assert.NoError(t, h.Check())
}
})
}
}
func TestHaproxy_Collect(t *testing.T) {
tests := map[string]struct {
prepare func(t *testing.T) (h *Haproxy, cleanup func())
wantCollected map[string]int64
}{
"success on valid response v2.3.1": {
prepare: prepareCaseHaproxyV231Metrics,
wantCollected: map[string]int64{
"haproxy_backend_bytes_in_proxy_proxy1": 21057046294,
"haproxy_backend_bytes_in_proxy_proxy2": 2493759083896,
"haproxy_backend_bytes_out_proxy_proxy1": 41352782609,
"haproxy_backend_bytes_out_proxy_proxy2": 5131407558,
"haproxy_backend_current_queue_proxy_proxy1": 1,
"haproxy_backend_current_queue_proxy_proxy2": 1,
"haproxy_backend_current_sessions_proxy_proxy1": 1,
"haproxy_backend_current_sessions_proxy_proxy2": 1322,
"haproxy_backend_http_responses_1xx_proxy_proxy1": 1,
"haproxy_backend_http_responses_1xx_proxy_proxy2": 4130401,
"haproxy_backend_http_responses_2xx_proxy_proxy1": 21338013,
"haproxy_backend_http_responses_2xx_proxy_proxy2": 1,
"haproxy_backend_http_responses_3xx_proxy_proxy1": 10004,
"haproxy_backend_http_responses_3xx_proxy_proxy2": 1,
"haproxy_backend_http_responses_4xx_proxy_proxy1": 10170758,
"haproxy_backend_http_responses_4xx_proxy_proxy2": 1,
"haproxy_backend_http_responses_5xx_proxy_proxy1": 3075,
"haproxy_backend_http_responses_5xx_proxy_proxy2": 1,
"haproxy_backend_http_responses_other_proxy_proxy1": 5657,
"haproxy_backend_http_responses_other_proxy_proxy2": 1,
"haproxy_backend_queue_time_average_proxy_proxy1": 0,
"haproxy_backend_queue_time_average_proxy_proxy2": 0,
"haproxy_backend_response_time_average_proxy_proxy1": 52,
"haproxy_backend_response_time_average_proxy_proxy2": 1,
"haproxy_backend_sessions_proxy_proxy1": 31527507,
"haproxy_backend_sessions_proxy_proxy2": 4131723,
},
},
"fails on response with unexpected metrics (not HAProxy)": {
prepare: prepareCaseNotHaproxyMetrics,
},
"fails on 404 response": {
prepare: prepareCase404Response,
},
"fails on connection refused": {
prepare: prepareCaseConnectionRefused,
},
}
for name, test := range tests {
t.Run(name, func(t *testing.T) {
h, cleanup := test.prepare(t)
defer cleanup()
ms := h.Collect()
assert.Equal(t, test.wantCollected, ms)
if len(test.wantCollected) > 0 {
ensureCollectedHasAllChartsDimsVarsIDs(t, h, ms)
}
})
}
}
func prepareCaseHaproxyV231Metrics(t *testing.T) (*Haproxy, func()) {
t.Helper()
srv := httptest.NewServer(http.HandlerFunc(
func(w http.ResponseWriter, r *http.Request) {
_, _ = w.Write(dataVer2310Metrics)
}))
h := New()
h.URL = srv.URL
require.NoError(t, h.Init())
return h, srv.Close
}
func prepareCaseNotHaproxyMetrics(t *testing.T) (*Haproxy, func()) {
t.Helper()
srv := httptest.NewServer(http.HandlerFunc(
func(w http.ResponseWriter, r *http.Request) {
_, _ = w.Write([]byte(`
# HELP haproxy_backend_http_responses_total Total number of HTTP responses.
# TYPE haproxy_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) (*Haproxy, 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) (*Haproxy, 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, h *Haproxy, ms map[string]int64) {
for _, chart := range *h.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)
}
}
}
|
