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test: Improve coverage for persistentvolume annotation/label related metrics 

Signed-off-by: Arunprasad Rajkumar <arajkuma@redhat.com>
This commit is contained in:
Arunprasad Rajkumar 2021-10-08 16:16:56 +05:30
parent 31b2fff8bd
commit b00b1994ce
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1 changed files with 68 additions and 2 deletions
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70
internal/store/persistentvolume_test.go
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@ -480,10 +480,76 @@ func TestPersistentVolumeStore(t *testing.T) {
`,
MetricNames: []string{"kube_persistentvolume_capacity_bytes"},
},
{
AllowAnnotationsList: []string{
"app.k8s.io/owner",
},
AllowLabelsList: []string{
"app",
},
Obj: &v1.PersistentVolume{
ObjectMeta: metav1.ObjectMeta{
Name: "test-allowlisted-labels-annotations",
Annotations: map[string]string{
"app.k8s.io/owner": "mysql-server",
"foo": "bar",
},
Labels: map[string]string{
"app": "mysql-server",
"hello": "world",
},
},
Status: v1.PersistentVolumeStatus{
Phase: v1.VolumePending,
},
},
Want: `
# HELP kube_persistentvolume_annotations Kubernetes annotations converted to Prometheus labels.
# HELP kube_persistentvolume_labels Kubernetes labels converted to Prometheus labels.
# TYPE kube_persistentvolume_annotations gauge
# TYPE kube_persistentvolume_labels gauge
kube_persistentvolume_annotations{annotation_app_k8s_io_owner="mysql-server",persistentvolume="test-allowlisted-labels-annotations"} 1
kube_persistentvolume_labels{label_app="mysql-server",persistentvolume="test-allowlisted-labels-annotations"} 1
`,
MetricNames: []string{
"kube_persistentvolume_annotations",
"kube_persistentvolume_labels",
},
},
{
Obj: &v1.PersistentVolume{
ObjectMeta: metav1.ObjectMeta{
Name: "test-defaul-labels-annotations",
Annotations: map[string]string{
"app.k8s.io/owner": "mysql-server",
"foo": "bar",
},
Labels: map[string]string{
"app": "mysql-server",
"hello": "world",
},
},
Status: v1.PersistentVolumeStatus{
Phase: v1.VolumePending,
},
},
Want: `
# HELP kube_persistentvolume_annotations Kubernetes annotations converted to Prometheus labels.
# HELP kube_persistentvolume_labels Kubernetes labels converted to Prometheus labels.
# TYPE kube_persistentvolume_annotations gauge
# TYPE kube_persistentvolume_labels gauge
kube_persistentvolume_annotations{persistentvolume="test-defaul-labels-annotations"} 1
kube_persistentvolume_labels{persistentvolume="test-defaul-labels-annotations"} 1
`,
MetricNames: []string{
"kube_persistentvolume_annotations",
"kube_persistentvolume_labels",
},
},
}
for i, c := range cases {
c.Func = generator.ComposeMetricGenFuncs(persistentVolumeMetricFamilies(nil, nil))
c.Headers = generator.ExtractMetricFamilyHeaders(persistentVolumeMetricFamilies(nil, nil))
c.Func = generator.ComposeMetricGenFuncs(persistentVolumeMetricFamilies(c.AllowAnnotationsList, c.AllowLabelsList))
c.Headers = generator.ExtractMetricFamilyHeaders(persistentVolumeMetricFamilies(c.AllowAnnotationsList, c.AllowLabelsList))
if err := c.run(); err != nil {
t.Errorf("unexpected collecting result in %vth run:\n%s", i, err)
}