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109 lines
3.2 KiB
Go
109 lines
3.2 KiB
Go
package observers
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import (
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"errors"
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"net/http"
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"net/http/httptest"
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"testing"
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"time"
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"github.com/stretchr/testify/assert"
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"github.com/stretchr/testify/require"
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flaggerv1 "github.com/weaveworks/flagger/pkg/apis/flagger/v1beta1"
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"github.com/weaveworks/flagger/pkg/metrics/providers"
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)
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func TestNginxObserver_GetRequestSuccessRate(t *testing.T) {
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t.Run("ok", func(t *testing.T) {
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expected := ` sum( rate( nginx_ingress_controller_requests{ namespace="nginx", ingress="podinfo", status!~"5.*" }[1m] ) ) / sum( rate( nginx_ingress_controller_requests{ namespace="nginx", ingress="podinfo" }[1m] ) ) * 100`
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ts := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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promql := r.URL.Query()["query"][0]
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assert.Equal(t, expected, promql)
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json := `{"status":"success","data":{"resultType":"vector","result":[{"metric":{},"value":[1,"100"]}]}}`
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w.Write([]byte(json))
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}))
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defer ts.Close()
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client, err := providers.NewPrometheusProvider(flaggerv1.MetricTemplateProvider{
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Type: "prometheus",
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Address: ts.URL,
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SecretRef: nil,
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}, nil)
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require.NoError(t, err)
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observer := &NginxObserver{
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client: client,
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}
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val, err := observer.GetRequestSuccessRate(flaggerv1.MetricTemplateModel{
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Name: "podinfo",
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Namespace: "nginx",
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Target: "podinfo",
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Ingress: "podinfo",
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Interval: "1m",
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})
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require.NoError(t, err)
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assert.Equal(t, float64(100), val)
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})
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t.Run("no values", func(t *testing.T) {
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ts := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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json := `{"status":"success","data":{"resultType":"vector","result":[]}}`
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w.Write([]byte(json))
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}))
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defer ts.Close()
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client, err := providers.NewPrometheusProvider(flaggerv1.MetricTemplateProvider{
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Type: "prometheus",
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Address: ts.URL,
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SecretRef: nil,
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}, nil)
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require.NoError(t, err)
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observer := &NginxObserver{
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client: client,
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}
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_, err = observer.GetRequestSuccessRate(flaggerv1.MetricTemplateModel{})
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require.True(t, errors.Is(err, providers.ErrNoValuesFound))
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})
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}
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func TestNginxObserver_GetRequestDuration(t *testing.T) {
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expected := ` sum( rate( nginx_ingress_controller_ingress_upstream_latency_seconds_sum{ namespace="nginx", ingress="podinfo" }[1m] ) ) / sum( rate( nginx_ingress_controller_ingress_upstream_latency_seconds_count{ namespace="nginx", ingress="podinfo" }[1m] ) ) * 1000`
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ts := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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promql := r.URL.Query()["query"][0]
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assert.Equal(t, expected, promql)
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json := `{"status":"success","data":{"resultType":"vector","result":[{"metric":{},"value":[1,"100"]}]}}`
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w.Write([]byte(json))
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}))
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defer ts.Close()
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client, err := providers.NewPrometheusProvider(flaggerv1.MetricTemplateProvider{
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Type: "prometheus",
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Address: ts.URL,
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SecretRef: nil,
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}, nil)
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require.NoError(t, err)
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observer := &NginxObserver{
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client: client,
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}
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val, err := observer.GetRequestDuration(flaggerv1.MetricTemplateModel{
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Name: "podinfo",
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Namespace: "nginx",
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Target: "podinfo",
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Ingress: "podinfo",
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Interval: "1m",
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})
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require.NoError(t, err)
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assert.Equal(t, 100*time.Millisecond, val)
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}
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