mirror of
https://github.com/krkn-chaos/krkn.git
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fixed io-hog scenario
This commit is contained in:
Tullio Sebastiani
committed by
Naga Ravi Chaitanya Elluri
Naga Ravi Chaitanya Elluri
parent
3a66f8a5a3
commit
f6f686e8fe
@@ -11,6 +11,7 @@ kraken:
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- arcaflow_scenarios:
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- scenarios/arcaflow/cpu-hog/input.yaml
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- scenarios/arcaflow/memory-hog/input.yaml
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- scenarios/arcaflow/io-hog/input.yaml
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- application_outages:
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- scenarios/openshift/app_outage.yaml
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- container_scenarios: # List of chaos pod scenarios to load
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10
scenarios/arcaflow/io-hog/config.yaml
Normal file
10
scenarios/arcaflow/io-hog/config.yaml
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@@ -0,0 +1,10 @@
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deployer:
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connection: {}
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type: kubernetes
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log:
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level: debug
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logged_outputs:
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error:
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level: error
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success:
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level: debug
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13
scenarios/arcaflow/io-hog/input.yaml
Normal file
13
scenarios/arcaflow/io-hog/input.yaml
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@@ -0,0 +1,13 @@
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input_list:
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- duration: 30s
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io_block_size: 1m
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io_workers: 1
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io_write_bytes: 10m
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kubeconfig: ''
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namespace: default
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node_selector: {}
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target_pod_folder: /hog-data
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target_pod_volume:
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hostPath:
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path: /tmp
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name: node-volume
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138
scenarios/arcaflow/io-hog/sub-workflow.yaml
Normal file
138
scenarios/arcaflow/io-hog/sub-workflow.yaml
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@@ -0,0 +1,138 @@
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input:
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root: RootObject
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objects:
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RootObject:
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id: RootObject
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properties:
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kubeconfig:
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display:
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description: The complete kubeconfig file as a string
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name: Kubeconfig file contents
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type:
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type_id: string
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required: true
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namespace:
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display:
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description: The namespace where the container will be deployed
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name: Namespace
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type:
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type_id: string
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required: true
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node_selector:
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display:
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description: kubernetes node name where the plugin must be deployed
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type:
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type_id: map
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values:
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type_id: string
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keys:
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type_id: string
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required: true
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duration:
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display:
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name: duration the scenario expressed in seconds
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description: stop stress test after T seconds. One can also specify the units of time in
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seconds, minutes, hours, days or years with the suffix s, m, h, d or y
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type:
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type_id: string
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required: true
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io_workers:
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display:
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description: number of workers
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name: start N workers continually writing, reading and removing temporary files
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type:
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type_id: integer
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required: true
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io_block_size:
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display:
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description: single write size
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name: specify size of each write in bytes. Size can be from 1 byte to 4MB.
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type:
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type_id: string
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required: true
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io_write_bytes:
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display:
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description: Total number of bytes written
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name: write N bytes for each hdd process, the default is 1 GB. One can specify the size
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as % of free space on the file system or in units of Bytes, KBytes, MBytes and
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GBytes using the suffix b, k, m or g
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type:
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type_id: string
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required: true
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target_pod_folder:
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display:
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description: Target Folder
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name: Folder in the pod where the test will be executed and the test files will be written
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type:
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type_id: string
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required: true
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target_pod_volume:
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display:
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name: kubernetes volume definition
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description: the volume that will be attached to the pod. In order to stress
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the node storage only hosPath mode is currently supported
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type:
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type_id: object
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id: k8s_volume
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properties:
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name:
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display:
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description: name of the volume (must match the name in pod definition)
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type:
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type_id: string
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required: true
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hostPath:
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display:
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description: hostPath options expressed as string map (key-value)
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type:
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type_id: map
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values:
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type_id: string
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keys:
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type_id: string
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required: true
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required: true
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steps:
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kubeconfig:
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plugin: quay.io/arcalot/arcaflow-plugin-kubeconfig:0.2.0
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input:
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kubeconfig: !expr $.input.kubeconfig
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stressng:
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plugin: quay.io/arcalot/arcaflow-plugin-stressng:0.3.1
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step: workload
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input:
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cleanup: "true"
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StressNGParams:
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timeout: !expr $.input.duration
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workdir: !expr $.input.target_pod_folder
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stressors:
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- stressor: hdd
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hdd: !expr $.input.io_workers
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hdd_bytes: !expr $.input.io_write_bytes
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hdd_write_size: !expr $.input.io_block_size
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deploy:
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type: kubernetes
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connection: !expr $.steps.kubeconfig.outputs.success.connection
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pod:
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metadata:
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namespace: !expr $.input.namespace
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labels:
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arcaflow: stressng
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spec:
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nodeSelector: !expr $.input.node_selector
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pluginContainer:
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imagePullPolicy: Always
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securityContext:
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privileged: true
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volumeMounts:
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- mountPath: /hog-data
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name: node-volume
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volumes:
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- !expr $.input.target_pod_volume
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outputs:
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success:
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stressng: !expr $.steps.stressng.outputs.success
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113
scenarios/arcaflow/io-hog/workflow.yaml
Normal file
113
scenarios/arcaflow/io-hog/workflow.yaml
Normal file
@@ -0,0 +1,113 @@
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input:
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root: RootObject
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objects:
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RootObject:
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id: RootObject
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properties:
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input_list:
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type:
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type_id: list
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items:
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id: input_item
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type_id: object
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properties:
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kubeconfig:
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display:
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description: The complete kubeconfig file as a string
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name: Kubeconfig file contents
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type:
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type_id: string
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required: true
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namespace:
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display:
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description: The namespace where the container will be deployed
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name: Namespace
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type:
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type_id: string
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required: true
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node_selector:
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display:
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description: kubernetes node name where the plugin must be deployed
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type:
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type_id: map
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values:
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type_id: string
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keys:
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type_id: string
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required: true
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duration:
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display:
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name: duration the scenario expressed in seconds
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description: stop stress test after T seconds. One can also specify the units of time in
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seconds, minutes, hours, days or years with the suffix s, m, h, d or y
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type:
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type_id: string
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required: true
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io_workers:
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display:
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description: number of workers
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name: start N workers continually writing, reading and removing temporary files
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type:
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type_id: integer
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required: true
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io_block_size:
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display:
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description: single write size
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name: specify size of each write in bytes. Size can be from 1 byte to 4MB.
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type:
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type_id: string
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required: true
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io_write_bytes:
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display:
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description: Total number of bytes written
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name: write N bytes for each hdd process, the default is 1 GB. One can specify the size
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as % of free space on the file system or in units of Bytes, KBytes, MBytes and
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GBytes using the suffix b, k, m or g
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type:
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type_id: string
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required: true
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target_pod_folder:
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display:
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description: Target Folder
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name: Folder in the pod where the test will be executed and the test files will be written
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type:
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type_id: string
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required: true
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target_pod_volume:
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display:
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name: kubernetes volume definition
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description: the volume that will be attached to the pod. In order to stress
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the node storage only hosPath mode is currently supported
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type:
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type_id: object
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id: k8s_volume
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properties:
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name:
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display:
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description: name of the volume (must match the name in pod definition)
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type:
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type_id: string
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required: true
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hostPath:
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display:
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description: hostPath options expressed as string map (key-value)
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type:
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type_id: map
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values:
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type_id: string
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keys:
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type_id: string
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required: true
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required: true
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steps:
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workload_loop:
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kind: foreach
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items: !expr $.input.input_list
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workflow: sub-workflow.yaml
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parallelism: 1000
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outputs:
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success:
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workloads: !expr $.steps.workload_loop.outputs.success.data
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