| 1 | // SPDX-License-Identifier: GPL-3.0-or-later |
| 2 | |
| 3 | package haproxy |
| 4 | |
| 5 | import ( |
| 6 | "context" |
| 7 | "net/http" |
| 8 | "net/http/httptest" |
| 9 | "os" |
| 10 | "testing" |
| 11 | |
| 12 | "github.com/stretchr/testify/assert" |
| 13 | "github.com/stretchr/testify/require" |
| 14 | |
| 15 | "github.com/netdata/netdata/go/plugins/pkg/tlscfg" |
| 16 | "github.com/netdata/netdata/go/plugins/pkg/web" |
| 17 | "github.com/netdata/netdata/go/plugins/plugin/go.d/pkg/collecttest" |
| 18 | ) |
| 19 | |
| 20 | var ( |
| 21 | dataConfigJSON, _ = os.ReadFile("testdata/config.json") |
| 22 | dataConfigYAML, _ = os.ReadFile("testdata/config.yaml") |
| 23 | |
| 24 | dataVer2310Metrics, _ = os.ReadFile("testdata/v2.3.10/metrics.txt") |
| 25 | ) |
| 26 | |
| 27 | func Test_testDataIsValid(t *testing.T) { |
| 28 | for name, data := range map[string][]byte{ |
| 29 | "dataConfigJSON": dataConfigJSON, |
| 30 | "dataConfigYAML": dataConfigYAML, |
| 31 | "dataVer2310Metrics": dataVer2310Metrics, |
| 32 | } { |
| 33 | require.NotNil(t, data, name) |
| 34 | } |
| 35 | } |
| 36 | |
| 37 | func TestCollector_ConfigurationSerialize(t *testing.T) { |
| 38 | collecttest.TestConfigurationSerialize(t, &Collector{}, dataConfigJSON, dataConfigYAML) |
| 39 | } |
| 40 | |
| 41 | func TestCollector_Init(t *testing.T) { |
| 42 | tests := map[string]struct { |
| 43 | config Config |
| 44 | wantFail bool |
| 45 | }{ |
| 46 | "success on default config": { |
| 47 | config: New().Config, |
| 48 | }, |
| 49 | "fails on unset 'url'": { |
| 50 | wantFail: true, |
| 51 | config: Config{HTTPConfig: web.HTTPConfig{ |
| 52 | RequestConfig: web.RequestConfig{}, |
| 53 | }}, |
| 54 | }, |
| 55 | "fails on invalid TLSCA": { |
| 56 | wantFail: true, |
| 57 | config: Config{ |
| 58 | HTTPConfig: web.HTTPConfig{ |
| 59 | ClientConfig: web.ClientConfig{ |
| 60 | TLSConfig: tlscfg.TLSConfig{TLSCA: "testdata/tls"}, |
| 61 | }, |
| 62 | }}, |
| 63 | }, |
| 64 | } |
| 65 | |
| 66 | for name, test := range tests { |
| 67 | t.Run(name, func(t *testing.T) { |
| 68 | collr := New() |
| 69 | collr.Config = test.config |
| 70 | |
| 71 | if test.wantFail { |
| 72 | assert.Error(t, collr.Init(context.Background())) |
| 73 | } else { |
| 74 | assert.NoError(t, collr.Init(context.Background())) |
| 75 | } |
| 76 | }) |
| 77 | } |
| 78 | } |
| 79 | |
| 80 | func TestCollector_Charts(t *testing.T) { |
| 81 | assert.NotNil(t, New().Charts()) |
| 82 | } |
| 83 | |
| 84 | func TestCollector_Cleanup(t *testing.T) { |
| 85 | assert.NotPanics(t, func() { New().Cleanup(context.Background()) }) |
| 86 | } |
| 87 | |
| 88 | func TestCollector_Check(t *testing.T) { |
| 89 | tests := map[string]struct { |
| 90 | wantFail bool |
| 91 | prepare func(t *testing.T) (h *Collector, cleanup func()) |
| 92 | }{ |
| 93 | "success on valid response v2.3.1": { |
| 94 | wantFail: false, |
| 95 | prepare: prepareCaseHaproxyV231Metrics, |
| 96 | }, |
| 97 | "fails on response with unexpected metrics (not HAProxy)": { |
| 98 | wantFail: true, |
| 99 | prepare: prepareCaseNotHaproxyMetrics, |
| 100 | }, |
| 101 | "fails on 404 response": { |
| 102 | wantFail: true, |
| 103 | prepare: prepareCase404Response, |
| 104 | }, |
| 105 | "fails on connection refused": { |
| 106 | wantFail: true, |
| 107 | prepare: prepareCaseConnectionRefused, |
| 108 | }, |
| 109 | } |
| 110 | |
| 111 | for name, test := range tests { |
| 112 | t.Run(name, func(t *testing.T) { |
| 113 | collr, cleanup := test.prepare(t) |
| 114 | defer cleanup() |
| 115 | |
| 116 | if test.wantFail { |
| 117 | assert.Error(t, collr.Check(context.Background())) |
| 118 | } else { |
| 119 | assert.NoError(t, collr.Check(context.Background())) |
| 120 | } |
| 121 | }) |
| 122 | } |
| 123 | } |
| 124 | |
| 125 | func TestCollector_Collect(t *testing.T) { |
| 126 | tests := map[string]struct { |
| 127 | prepare func(t *testing.T) (c *Collector, cleanup func()) |
| 128 | wantCollected map[string]int64 |
| 129 | }{ |
| 130 | "success on valid response v2.3.1": { |
| 131 | prepare: prepareCaseHaproxyV231Metrics, |
| 132 | wantCollected: map[string]int64{ |
| 133 | "haproxy_backend_bytes_in_proxy_proxy1": 21057046294, |
| 134 | "haproxy_backend_bytes_in_proxy_proxy2": 2493759083896, |
| 135 | "haproxy_backend_bytes_out_proxy_proxy1": 41352782609, |
| 136 | "haproxy_backend_bytes_out_proxy_proxy2": 5131407558, |
| 137 | "haproxy_backend_current_queue_proxy_proxy1": 1, |
| 138 | "haproxy_backend_current_queue_proxy_proxy2": 1, |
| 139 | "haproxy_backend_current_sessions_proxy_proxy1": 1, |
| 140 | "haproxy_backend_current_sessions_proxy_proxy2": 1322, |
| 141 | "haproxy_backend_http_responses_1xx_proxy_proxy1": 1, |
| 142 | "haproxy_backend_http_responses_1xx_proxy_proxy2": 4130401, |
| 143 | "haproxy_backend_http_responses_2xx_proxy_proxy1": 21338013, |
| 144 | "haproxy_backend_http_responses_2xx_proxy_proxy2": 1, |
| 145 | "haproxy_backend_http_responses_3xx_proxy_proxy1": 10004, |
| 146 | "haproxy_backend_http_responses_3xx_proxy_proxy2": 1, |
| 147 | "haproxy_backend_http_responses_4xx_proxy_proxy1": 10170758, |
| 148 | "haproxy_backend_http_responses_4xx_proxy_proxy2": 1, |
| 149 | "haproxy_backend_http_responses_5xx_proxy_proxy1": 3075, |
| 150 | "haproxy_backend_http_responses_5xx_proxy_proxy2": 1, |
| 151 | "haproxy_backend_http_responses_other_proxy_proxy1": 5657, |
| 152 | "haproxy_backend_http_responses_other_proxy_proxy2": 1, |
| 153 | "haproxy_backend_queue_time_average_proxy_proxy1": 0, |
| 154 | "haproxy_backend_queue_time_average_proxy_proxy2": 0, |
| 155 | "haproxy_backend_response_time_average_proxy_proxy1": 52, |
| 156 | "haproxy_backend_response_time_average_proxy_proxy2": 1, |
| 157 | "haproxy_backend_sessions_proxy_proxy1": 31527507, |
| 158 | "haproxy_backend_sessions_proxy_proxy2": 4131723, |
| 159 | }, |
| 160 | }, |
| 161 | "fails on response with unexpected metrics (not HAProxy)": { |
| 162 | prepare: prepareCaseNotHaproxyMetrics, |
| 163 | }, |
| 164 | "fails on 404 response": { |
| 165 | prepare: prepareCase404Response, |
| 166 | }, |
| 167 | "fails on connection refused": { |
| 168 | prepare: prepareCaseConnectionRefused, |
| 169 | }, |
| 170 | } |
| 171 | |
| 172 | for name, test := range tests { |
| 173 | t.Run(name, func(t *testing.T) { |
| 174 | collr, cleanup := test.prepare(t) |
| 175 | defer cleanup() |
| 176 | |
| 177 | mx := collr.Collect(context.Background()) |
| 178 | |
| 179 | assert.Equal(t, test.wantCollected, mx) |
| 180 | if len(test.wantCollected) > 0 { |
| 181 | collecttest.TestMetricsHasAllChartsDims(t, collr.Charts(), mx) |
| 182 | } |
| 183 | }) |
| 184 | } |
| 185 | } |
| 186 | |
| 187 | func prepareCaseHaproxyV231Metrics(t *testing.T) (*Collector, func()) { |
| 188 | t.Helper() |
| 189 | srv := httptest.NewServer(http.HandlerFunc( |
| 190 | func(w http.ResponseWriter, r *http.Request) { |
| 191 | _, _ = w.Write(dataVer2310Metrics) |
| 192 | })) |
| 193 | collr := New() |
| 194 | collr.URL = srv.URL |
| 195 | require.NoError(t, collr.Init(context.Background())) |
| 196 | |
| 197 | return collr, srv.Close |
| 198 | } |
| 199 | |
| 200 | func prepareCaseNotHaproxyMetrics(t *testing.T) (*Collector, func()) { |
| 201 | t.Helper() |
| 202 | srv := httptest.NewServer(http.HandlerFunc( |
| 203 | func(w http.ResponseWriter, r *http.Request) { |
| 204 | _, _ = w.Write([]byte(` |
| 205 | # HELP haproxy_backend_http_responses_total Total number of HTTP responses. |
| 206 | # TYPE haproxy_backend_http_responses_total counter |
| 207 | application_backend_http_responses_total{proxy="infra-traefik-web",code="1xx"} 0 |
| 208 | application_backend_http_responses_total{proxy="infra-vernemq-ws",code="1xx"} 4130401 |
| 209 | application_backend_http_responses_total{proxy="infra-traefik-web",code="2xx"} 21338013 |
| 210 | application_backend_http_responses_total{proxy="infra-vernemq-ws",code="2xx"} 0 |
| 211 | application_backend_http_responses_total{proxy="infra-traefik-web",code="3xx"} 10004 |
| 212 | application_backend_http_responses_total{proxy="infra-vernemq-ws",code="3xx"} 0 |
| 213 | application_backend_http_responses_total{proxy="infra-traefik-web",code="4xx"} 10170758 |
| 214 | application_backend_http_responses_total{proxy="infra-vernemq-ws",code="4xx"} 0 |
| 215 | application_backend_http_responses_total{proxy="infra-traefik-web",code="5xx"} 3075 |
| 216 | application_backend_http_responses_total{proxy="infra-vernemq-ws",code="5xx"} 0 |
| 217 | application_backend_http_responses_total{proxy="infra-traefik-web",code="other"} 5657 |
| 218 | application_backend_http_responses_total{proxy="infra-vernemq-ws",code="other"} 0 |
| 219 | `)) |
| 220 | })) |
| 221 | collr := New() |
| 222 | collr.URL = srv.URL |
| 223 | require.NoError(t, collr.Init(context.Background())) |
| 224 | |
| 225 | return collr, srv.Close |
| 226 | } |
| 227 | |
| 228 | func prepareCase404Response(t *testing.T) (*Collector, func()) { |
| 229 | t.Helper() |
| 230 | srv := httptest.NewServer(http.HandlerFunc( |
| 231 | func(w http.ResponseWriter, r *http.Request) { |
| 232 | w.WriteHeader(http.StatusNotFound) |
| 233 | })) |
| 234 | collr := New() |
| 235 | collr.URL = srv.URL |
| 236 | require.NoError(t, collr.Init(context.Background())) |
| 237 | |
| 238 | return collr, srv.Close |
| 239 | } |
| 240 | |
| 241 | func prepareCaseConnectionRefused(t *testing.T) (*Collector, func()) { |
| 242 | t.Helper() |
| 243 | collr := New() |
| 244 | collr.URL = "http://127.0.0.1:38001" |
| 245 | require.NoError(t, collr.Init(context.Background())) |
| 246 | |
| 247 | return collr, func() {} |
| 248 | } |