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test/extended: check if prometheus is firing a watchdog alert #22512

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Merged
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Apr 10, 2019
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test/extended: check if prometheus is firing a watchdog alert #22512

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18 changes: 17 additions & 1 deletion test/extended/prometheus/prometheus.go
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Original file line number Diff line number Diff line change
Expand Up @@ -15,7 +15,7 @@ import (
dto "github.com/prometheus/client_model/go"
"github.com/prometheus/common/expfmt"

"k8s.io/api/core/v1"
v1 "k8s.io/api/core/v1"
kapierrs "k8s.io/apimachinery/pkg/api/errors"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/util/wait"
Expand Down Expand Up @@ -150,6 +150,22 @@ var _ = g.Describe("[Feature:Prometheus][Conformance] Prometheus", func() {
return true, nil
})).NotTo(o.HaveOccurred())
})
g.It("should have a Watchdog alert in firing state", func() {
oc.SetupProject()
ns := oc.Namespace()
execPodName := e2e.CreateExecPodOrFail(oc.AdminKubeClient(), ns, "execpod", func(pod *v1.Pod) { pod.Spec.Containers[0].Image = "centos:7" })
defer func() { oc.AdminKubeClient().CoreV1().Pods(ns).Delete(execPodName, metav1.NewDeleteOptions(1)) }()

tests := map[string][]metricTest{
// should have constantly firing a watchdog alert
`ALERTS{alertstate="firing",alertname="Watchdog"}`: {metricTest{greaterThanEqual: true, value: 1}},
// should be only one watchdog alert (this is a workaround as metricTest doesn't offer equality operator)
`ALERTS{alertstate="firing",alertname="Watchdog",severity="none"}`: {metricTest{greaterThanEqual: false, value: 2}},
}
runQueries(tests, oc, ns, execPodName, url, bearerToken)

e2e.Logf("Watchdog alert is firing: %s", bearerToken)
})
})
})

Expand Down