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Metrics: Add --metrics-per-undefined-host argument. (#11818)

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Signed-off-by: Jon Carl <grounded042@joncarl.com>
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Jon Carl 2024-08-26 13:09:11 -06:00 • committed by GitHub
parent 93f9f9fbb3
commit 034c3ccad4
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GPG key ID: B5690EEEBB952194
11 changed files with 172 additions and 28 deletions
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75
internal/ingress/metric/collectors/socket_test.go
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@ -87,14 +87,15 @@ func TestCollector(t *testing.T) {
maxBuckets := uint32(100)
cases := []struct {
name string
data []string
metrics []string
useStatusClasses bool
excludeMetrics []string
wantBefore string
removeIngresses []string
wantAfter string
name string
data []string
metrics []string
metricsPerUndefinedHost bool
useStatusClasses bool
excludeMetrics []string
wantBefore string
removeIngresses []string
wantAfter string
}{
{
name: "invalid metric object should not increase prometheus metrics",
@ -591,13 +592,69 @@ func TestCollector(t *testing.T) {
nginx_ingress_controller_response_duration_seconds_count{canary="",controller_class="ingress",controller_namespace="default",controller_pod="pod",host="testshop.com",ingress="web-yml",method="GET",namespace="test-app-production",path="/admin",service="test-app",status="2xx"} 1
`,
},
{
name: "metrics with a host should not be dropped when the host is not in the hosts slice but metricsPerUndefinedHost is true",
data: []string{`[{
"host":"wildcard.testshop.com",
"status":"200",
"bytesSent":150.0,
"method":"GET",
"path":"/admin",
"requestLength":300.0,
"requestTime":60.0,
"upstreamLatency":1.0,
"upstreamHeaderTime":5.0,
"upstreamName":"test-upstream",
"upstreamIP":"1.1.1.1:8080",
"upstreamResponseTime":200,
"upstreamStatus":"220",
"namespace":"test-app-production",
"ingress":"web-yml",
"service":"test-app",
"canary":""
}]`},
excludeMetrics: []string{"response_duration_seconds2", "test.*", "nginx_ingress_.*", "response_duration_secon"},
metrics: []string{"nginx_ingress_controller_requests"},
metricsPerUndefinedHost: true,
useStatusClasses: true,
wantBefore: `
# HELP nginx_ingress_controller_requests The total number of client requests
# TYPE nginx_ingress_controller_requests counter
nginx_ingress_controller_requests{canary="",controller_class="ingress",controller_namespace="default",controller_pod="pod",host="wildcard.testshop.com",ingress="web-yml",method="GET",namespace="test-app-production",path="/admin",service="test-app",status="2xx"} 1
`,
},
{
name: "metrics with a host should be dropped when the host is not in the hosts slice",
data: []string{`[{
"host":"wildcard.testshop.com",
"status":"200",
"bytesSent":150.0,
"method":"GET",
"path":"/admin",
"requestLength":300.0,
"requestTime":60.0,
"upstreamLatency":1.0,
"upstreamHeaderTime":5.0,
"upstreamName":"test-upstream",
"upstreamIP":"1.1.1.1:8080",
"upstreamResponseTime":200,
"upstreamStatus":"220",
"namespace":"test-app-production",
"ingress":"web-yml",
"service":"test-app",
"canary":""
}]`},
excludeMetrics: []string{"response_duration_seconds2", "test.*", "nginx_ingress_.*", "response_duration_secon"},
metrics: []string{"nginx_ingress_controller_requests"},
useStatusClasses: true,
},
}
for _, c := range cases {
t.Run(c.name, func(t *testing.T) {
registry := prometheus.NewPedanticRegistry()
sc, err := NewSocketCollector("pod", "default", "ingress", true, c.useStatusClasses, buckets, bucketFactor, maxBuckets, c.excludeMetrics)
sc, err := NewSocketCollector("pod", "default", "ingress", true, c.metricsPerUndefinedHost, c.useStatusClasses, buckets, bucketFactor, maxBuckets, c.excludeMetrics)
if err != nil {
t.Errorf("%v: unexpected error creating new SocketCollector: %v", c.name, err)
}