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Merge pull request #601 from mucahitkurt/storage/scalability-performa…
…nce-tests-pod-startup Scalability and Performance Test Cases for Ephemeral Volumes
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...er2/testing/experimental/storage/pod-startup/ephemeral-volumes/1_node/README.md
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Below test cases can be run with the parameters like; | ||
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- 1 pod with X volumes and 1 node | ||
-- `.Nodes := 1`, `$TOTAL_PODS := 1`, `$VOLUMES_PER_POD := <X>` | ||
- X pods with 1 volume each on 1 node in parallel | ||
-- `.Nodes := 1`, `$TOTAL_PODS := <X>`, `$VOLUMES_PER_POD := 1` | ||
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To test with different volume types please use the override file for the specific volume type, default volume type is `EmptyDir` | ||
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To test for the max volume per node test case please use override file under `max_volumes_per_node`, default test case is max volume per node. |
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clusterloader2/testing/experimental/storage/pod-startup/ephemeral-volumes/1_node/config.yaml
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# ASSUMPTIONS: | ||
# - this test cases should be run on only 1 node | ||
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#Constants | ||
{{$TOTAL_PODS := DefaultParam .TOTAL_PODS 1}} | ||
{{$POD_TEMPLATE_PATH := DefaultParam .POD_TEMPLATE_PATH "pod_with_emptydir.yaml"}} | ||
{{$LOAD_TEST_THROUGHPUT := DefaultParam .LOAD_TEST_THROUGHPUT 10}} | ||
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{{$VOLUMES_PER_POD := DefaultParam .VOLUMES_PER_POD 100}} | ||
{{$VOLUME_TEMPLATE_PATH := .VOLUME_TEMPLATE_PATH}} | ||
{{$PROVISION_VOLUME := DefaultParam .PROVISION_VOLUME false}} | ||
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{{$APP_NAME := "pod-load"}} | ||
{{$GROUP := "pod-with-ephemeral-volume-startup-latency"}} | ||
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#Variables | ||
# used stateless pod SLO for initial run | ||
{{$podStartupTimeout := 5}} | ||
{{$totalVolumes := MultiplyInt $TOTAL_PODS $VOLUMES_PER_POD}} | ||
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name: pod-with-ephemeral-volume-startup-latency | ||
automanagedNamespaces: 1 | ||
tuningSets: | ||
- name: UniformQPS | ||
qpsLoad: | ||
qps: {{$LOAD_TEST_THROUGHPUT}} | ||
steps: | ||
# Start measurements | ||
- measurements: | ||
- Identifier: APIResponsiveness | ||
Method: APIResponsiveness | ||
Params: | ||
action: reset | ||
- Identifier: PodWithMultiVolumeStartupLatency | ||
Method: PodStartupLatency | ||
Params: | ||
action: start | ||
labelSelector: group = {{$GROUP}} | ||
threshold: {{$podStartupTimeout}}s | ||
{{ if $PROVISION_VOLUME }} | ||
# Provision volumes | ||
- phases: | ||
- namespaceRange: | ||
min: 1 | ||
max: 1 | ||
replicasPerNamespace: {{$totalVolumes}} | ||
tuningSet: UniformQPS | ||
objectBundle: | ||
- basename: vol-{{$APP_NAME}} | ||
objectTemplatePath: {{$VOLUME_TEMPLATE_PATH}} | ||
{{ end }} | ||
# Create pods | ||
- phases: | ||
- namespaceRange: | ||
min: 1 | ||
max: 1 | ||
replicasPerNamespace: {{$TOTAL_PODS}} | ||
tuningSet: UniformQPS | ||
objectBundle: | ||
- basename: {{$APP_NAME}} | ||
objectTemplatePath: {{$POD_TEMPLATE_PATH}} | ||
templateFillMap: | ||
Group: {{$GROUP}} | ||
VolumesPerPod: {{$VOLUMES_PER_POD}} | ||
AppName: {{$APP_NAME}} | ||
- measurements: | ||
- Identifier: WaitForRunningPodsWithStorage | ||
Method: WaitForRunningPods | ||
Params: | ||
desiredPodCount: {{$TOTAL_PODS}} | ||
labelSelector: group = {{$GROUP}} | ||
# TODO decide this after test roll-out phase | ||
timeout: 15m | ||
# Delete pods | ||
- phases: | ||
- namespaceRange: | ||
min: 1 | ||
max: 1 | ||
replicasPerNamespace: 0 | ||
tuningSet: UniformQPS | ||
objectBundle: | ||
- basename: {{$APP_NAME}} | ||
objectTemplatePath: {{$POD_TEMPLATE_PATH}} | ||
# Collect measurements | ||
- measurements: | ||
- Identifier: PodWithMultiVolumeStartupLatency | ||
Method: PodStartupLatency | ||
Params: | ||
action: gather | ||
- Identifier: APIResponsiveness | ||
Method: APIResponsiveness | ||
Params: | ||
action: gather |
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...esting/experimental/storage/pod-startup/ephemeral-volumes/1_node/configmap/configmap.yaml
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apiVersion: v1 | ||
kind: ConfigMap | ||
metadata: | ||
name: {{.Name}} | ||
data: | ||
TEST_KEY1: testData1 |
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...testing/experimental/storage/pod-startup/ephemeral-volumes/1_node/configmap/override.yaml
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PROVISION_VOLUME: true | ||
POD_TEMPLATE_PATH: "configmap/pod_with_configmap.yaml" | ||
VOLUME_TEMPLATE_PATH: "configmap/configmap.yaml" |
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...perimental/storage/pod-startup/ephemeral-volumes/1_node/configmap/pod_with_configmap.yaml
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{{$index := .Index}} | ||
{{$appName := .AppName}} | ||
{{$volumesPerPod := .VolumesPerPod}} | ||
apiVersion: v1 | ||
kind: Pod | ||
metadata: | ||
name: {{.Name}} | ||
labels: | ||
app: {{.Name}} | ||
group: {{.Group}} | ||
spec: | ||
containers: | ||
- name: {{.Name}} | ||
image: k8s.gcr.io/pause:3.1 | ||
imagePullPolicy: IfNotPresent | ||
volumeMounts: | ||
{{ range $volumeIndex, $vol := Seq .VolumesPerPod }} | ||
- name: vol-{{$volumeIndex}} | ||
mountPath: /usr/share/{{$volumeIndex}} | ||
{{ end }} | ||
volumes: | ||
{{ range $volumeIndex, $vol := Seq .VolumesPerPod }} | ||
- name: vol-{{$volumeIndex}} | ||
configMap: | ||
name: vol-{{$appName}}-{{AddInt $volumeIndex (MultiplyInt $index $volumesPerPod)}} | ||
{{ end }} |
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...sting/experimental/storage/pod-startup/ephemeral-volumes/1_node/downwardapi/override.yaml
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POD_TEMPLATE_PATH: "downwardapi/pod_with_downwardapi.yaml" |
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...mental/storage/pod-startup/ephemeral-volumes/1_node/downwardapi/pod_with_downwardapi.yaml
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{{$index := .Index}} | ||
{{$appName := .AppName}} | ||
{{$volumesPerPod := .VolumesPerPod}} | ||
apiVersion: v1 | ||
kind: Pod | ||
metadata: | ||
name: {{.Name}} | ||
labels: | ||
app: {{.Name}} | ||
group: {{.Group}} | ||
spec: | ||
containers: | ||
- name: {{.Name}} | ||
image: k8s.gcr.io/pause:3.1 | ||
imagePullPolicy: IfNotPresent | ||
volumeMounts: | ||
{{ range $volumeIndex, $vol := Seq .VolumesPerPod }} | ||
- name: vol-{{$volumeIndex}} | ||
mountPath: /usr/share/{{$volumeIndex}} | ||
{{ end }} | ||
volumes: | ||
{{ range $volumeIndex, $vol := Seq .VolumesPerPod }} | ||
- name: vol-{{$volumeIndex}} | ||
downwardAPI: | ||
items: | ||
- path: "pod_name" | ||
fieldRef: | ||
fieldPath: metadata.name | ||
- path: "pod_namespace" | ||
fieldRef: | ||
fieldPath: metadata.namespace | ||
{{ end }} |
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...erimental/storage/pod-startup/ephemeral-volumes/1_node/max_volumes_per_node/override.yaml
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TOTAL_PODS: 100 | ||
VOLUMES_PER_POD: 1 |
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.../testing/experimental/storage/pod-startup/ephemeral-volumes/1_node/pod_with_emptydir.yaml
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{{$index := .Index}} | ||
{{$appName := .AppName}} | ||
{{$volumesPerPod := .VolumesPerPod}} | ||
apiVersion: v1 | ||
kind: Pod | ||
metadata: | ||
name: {{.Name}} | ||
labels: | ||
app: {{.Name}} | ||
group: {{.Group}} | ||
spec: | ||
containers: | ||
- name: {{.Name}} | ||
image: k8s.gcr.io/pause:3.1 | ||
imagePullPolicy: IfNotPresent | ||
volumeMounts: | ||
{{ range $volumeIndex, $vol := Seq .VolumesPerPod }} | ||
- name: vol-{{$volumeIndex}} | ||
mountPath: /usr/share/{{$volumeIndex}} | ||
{{ end }} | ||
volumes: | ||
{{ range $volumeIndex, $vol := Seq .VolumesPerPod }} | ||
- name: vol-{{$volumeIndex}} | ||
emptyDir: {} | ||
{{ end }} |
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...r2/testing/experimental/storage/pod-startup/ephemeral-volumes/1_node/secret/override.yaml
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PROVISION_VOLUME: true | ||
POD_TEMPLATE_PATH: "secret/pod_with_secret.yaml" | ||
VOLUME_TEMPLATE_PATH: "secret/secret.yaml" |
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...ing/experimental/storage/pod-startup/ephemeral-volumes/1_node/secret/pod_with_secret.yaml
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{{$index := .Index}} | ||
{{$appName := .AppName}} | ||
{{$volumesPerPod := .VolumesPerPod}} | ||
apiVersion: v1 | ||
kind: Pod | ||
metadata: | ||
name: {{.Name}} | ||
labels: | ||
app: {{.Name}} | ||
group: {{.Group}} | ||
spec: | ||
containers: | ||
- name: {{.Name}} | ||
image: k8s.gcr.io/pause:3.1 | ||
imagePullPolicy: IfNotPresent | ||
volumeMounts: | ||
{{ range $volumeIndex, $vol := Seq .VolumesPerPod }} | ||
- name: vol-{{$volumeIndex}} | ||
mountPath: /usr/share/{{$volumeIndex}} | ||
{{ end }} | ||
volumes: | ||
{{ range $volumeIndex, $vol := Seq .VolumesPerPod }} | ||
- name: vol-{{$volumeIndex}} | ||
secret: | ||
secretName: vol-{{$appName}}-{{AddInt $volumeIndex (MultiplyInt $index $volumesPerPod)}} | ||
{{ end }} |
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...der2/testing/experimental/storage/pod-startup/ephemeral-volumes/1_node/secret/secret.yaml
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apiVersion: v1 | ||
kind: Secret | ||
metadata: | ||
name: {{.Name}} | ||
type: Opaque | ||
data: | ||
username: dXNlcm5hbWVfCg== | ||
password: cGFzc3dvcmRfCg== |