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test: Enable Prometheus metrics in K8sHubbleTest #11508

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merged 1 commit into from May 15, 2020
Merged

test: Enable Prometheus metrics in K8sHubbleTest #11508

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26 changes: 22 additions & 4 deletions test/k8sT/hubble.go
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Expand Up @@ -17,6 +17,7 @@ package k8sTest
import (
"context"
"fmt"
"net"
"strings"

"github.com/cilium/cilium/pkg/annotation"
Expand All @@ -39,9 +40,10 @@ var _ = Describe("K8sHubbleTest", func() {

demoPath string

app1Service = "app1-service"
app1Labels = "id=app1,zgroup=testapp"
apps = []string{helpers.App1, helpers.App2, helpers.App3}
app1Service = "app1-service"
app1Labels = "id=app1,zgroup=testapp"
apps = []string{helpers.App1, helpers.App2, helpers.App3}
prometheusPort = "9091"
)

addVisibilityAnnotation := func(ns, podLabels, direction, port, l4proto, l7proto string) {
Expand Down Expand Up @@ -84,7 +86,9 @@ var _ = Describe("K8sHubbleTest", func() {
demoPath = helpers.ManifestGet(kubectl.BasePath(), "demo.yaml")

DeployCiliumOptionsAndDNS(kubectl, ciliumFilename, map[string]string{
"global.hubble.cli.enabled": "true",
"global.hubble.cli.enabled": "true",
"global.hubble.metricsServer": fmt.Sprintf(":%s", prometheusPort),
"global.hubble.metrics.enabled": `"{dns:query;ignoreAAAA,drop,tcp,flow,port-distribution,icmp,http}"`,
})

err := kubectl.WaitforPods(hubbleNamespace, hubbleSelector, helpers.HelperTimeout)
Expand Down Expand Up @@ -156,6 +160,13 @@ var _ = Describe("K8sHubbleTest", func() {

err := follow.WaitUntilMatchFilterLineTimeout(`{$.Type}`, "L3_L4", helpers.ShortCommandTimeout)
Expect(err).To(BeNil(), fmt.Sprintf("hubble observe query timed out on %q", follow.OutputPrettyPrint()))

// Basic check for L4 Prometheus metrics.
_, nodeIP := kubectl.GetNodeInfo(helpers.K8s1)
metricsUrl := fmt.Sprintf("%s/metrics", net.JoinHostPort(nodeIP, prometheusPort))
res = kubectl.ExecPodCmd(hubbleNamespace, hubblePodK8s1, helpers.CurlFail(metricsUrl))
res.ExpectSuccess("%s/%s cannot curl metrics %q", hubblePodK8s1, hubblePodK8s1, app1ClusterIP)
res.ExpectContains(`hubble_flows_processed_total{subtype="to-endpoint",type="Trace",verdict="FORWARDED"}`)
})

It("Test L7 Flow", func() {
Expand All @@ -174,6 +185,13 @@ var _ = Describe("K8sHubbleTest", func() {

err := follow.WaitUntilMatchFilterLineTimeout(`{$.Type}`, "L7", helpers.ShortCommandTimeout)
Expect(err).To(BeNil(), fmt.Sprintf("hubble observe query timed out on %q", follow.OutputPrettyPrint()))

// Basic check for L7 Prometheus metrics.
_, nodeIP := kubectl.GetNodeInfo(helpers.K8s1)
metricsUrl := fmt.Sprintf("%s/metrics", net.JoinHostPort(nodeIP, prometheusPort))
res = kubectl.ExecPodCmd(hubbleNamespace, hubblePodK8s1, helpers.CurlFail(metricsUrl))
res.ExpectSuccess("%s/%s cannot curl metrics %q", hubbleNamespace, hubblePodK8s1, app1ClusterIP)
res.ExpectContains(`hubble_flows_processed_total{subtype="HTTP",type="L7",verdict="FORWARDED"}`)
})
})
})