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Fix inline YAML in resource quota (#9906) 

Closes: #9905
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Qiming 2018-08-21 04:36:46 +08:00 committed by k8s-ci-robot
parent 1089ebbf41
commit 4050303130
1 changed files with 133 additions and 132 deletions
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content/en/docs/concepts/policy/resource-quotas.md
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@ -213,159 +213,160 @@ works as follows:
- Pods in the cluster have one of the three priority classes, "low", "medium", "high". - Pods in the cluster have one of the three priority classes, "low", "medium", "high".
- One quota object is created for each priority. - One quota object is created for each priority.
1. Save the following YAML to a file `quota.yml`. Save the following YAML to a file `quota.yml`.
```yaml ```yaml
apiVersion: v1 apiVersion: v1
kind: List kind: List
items: items:
- apiVersion: v1 - apiVersion: v1
kind: ResourceQuota kind: ResourceQuota
metadata: metadata:
name: pods-high name: pods-high
spec: spec:
hard: hard:
cpu: "1000" cpu: "1000"
memory: 200Gi memory: 200Gi
pods: "10" pods: "10"
scopeSelector: scopeSelector:
matchExpressions: matchExpressions:
- operator : In - operator : In
scopeName: PriorityClass scopeName: PriorityClass
values: ["high"] values: ["high"]
- apiVersion: v1 - apiVersion: v1
kind: ResourceQuota kind: ResourceQuota
metadata: metadata:
name: pods-medium name: pods-medium
spec: spec:
hard: hard:
cpu: "10" cpu: "10"
memory: 20Gi memory: 20Gi
pods: "10" pods: "10"
scopeSelector: scopeSelector:
matchExpressions: matchExpressions:
- operator : In - operator : In
scopeName: PriorityClass scopeName: PriorityClass
values: ["medium"] values: ["medium"]
- apiVersion: v1 - apiVersion: v1
kind: ResourceQuota kind: ResourceQuota
metadata: metadata:
name: pods-low name: pods-low
spec: spec:
hard: hard:
cpu: "5" cpu: "5"
memory: 10Gi memory: 10Gi
pods: "10" pods: "10"
scopeSelector: scopeSelector:
matchExpressions: matchExpressions:
- operator : In - operator : In
scopeName: PriorityClass scopeName: PriorityClass
values: ["low"] values: ["low"]
``` ```
2. Apply it using `kubectl create`. Apply the YAML using `kubectl create`.
```shell ```shell
kubectl create -f ./quota.yml kubectl create -f ./quota.yml
resourcequota/pods-high created resourcequota/pods-high created
resourcequota/pods-medium created resourcequota/pods-medium created
resourcequota/pods-low created resourcequota/pods-low created
``` ```
3. Verify that `Used` quota is `0` using `kubectl describe quota`. Verify that `Used` quota is `0` using `kubectl describe quota`.
```shell ```shell
kubectl describe quota kubectl describe quota
Name: pods-high Name: pods-high
Namespace: default Namespace: default
Resource Used Hard Resource Used Hard
-------- ---- ---- -------- ---- ----
cpu 0 1k cpu 0 1k
memory 0 200Gi memory 0 200Gi
pods 0 10 pods 0 10
Name: pods-low Name: pods-low
Namespace: default Namespace: default
Resource Used Hard Resource Used Hard
-------- ---- ---- -------- ---- ----
cpu 0 5 cpu 0 5
memory 0 10Gi memory 0 10Gi
pods 0 10 pods 0 10
Name: pods-medium Name: pods-medium
Namespace: default Namespace: default
Resource Used Hard Resource Used Hard
-------- ---- ---- -------- ---- ----
cpu 0 10 cpu 0 10
memory 0 20Gi memory 0 20Gi
pods 0 10 pods 0 10
``` ```
4. Create a pod with priority "high". Save the following YAML to a
file `high-priority-pod.yml`.
```yaml Create a pod with priority "high". Save the following YAML to a
apiVersion: v1 file `high-priority-pod.yml`.
kind: Pod
metadata:
name: high-priority
spec:
containers:
- name: high-priority
image: ubuntu
command: ["/bin/sh"]
args: ["-c", "while true; do echo hello; sleep 10;done"]
resources:
requests:
memory: "10Gi"
cpu: "500m"
limits:
memory: "10Gi"
cpu: "500m"
priorityClassName: high
```
Apply it with `kubectl create`. ```yaml
apiVersion: v1
kind: Pod
metadata:
name: high-priority
spec:
containers:
- name: high-priority
image: ubuntu
command: ["/bin/sh"]
args: ["-c", "while true; do echo hello; sleep 10;done"]
resources:
requests:
memory: "10Gi"
cpu: "500m"
limits:
memory: "10Gi"
cpu: "500m"
priorityClassName: high
```
```shell Apply it with `kubectl create`.
kubectl create -f ./high-priority-pod.yml
```
5. Verify that "Used" stats for "high" priority quota, `pods-high`, has changed and that ```shell
the other two quotas are unchanged. kubectl create -f ./high-priority-pod.yml
```
```shell Verify that "Used" stats for "high" priority quota, `pods-high`, has changed and that
kubectl describe quota the other two quotas are unchanged.
Name: pods-high ```shell
Namespace: default kubectl describe quota
Resource Used Hard
-------- ---- ---- Name: pods-high
cpu 500m 1k Namespace: default
memory 10Gi 200Gi Resource Used Hard
pods 1 10 -------- ---- ----
cpu 500m 1k
memory 10Gi 200Gi
pods 1 10
Name: pods-low Name: pods-low
Namespace: default Namespace: default
Resource Used Hard Resource Used Hard
-------- ---- ---- -------- ---- ----
cpu 0 5 cpu 0 5
memory 0 10Gi memory 0 10Gi
pods 0 10 pods 0 10
Name: pods-medium Name: pods-medium
Namespace: default Namespace: default
Resource Used Hard Resource Used Hard
-------- ---- ---- -------- ---- ----
cpu 0 10 cpu 0 10
memory 0 20Gi memory 0 20Gi
pods 0 10 pods 0 10
``` ```
`scopeSelector` supports the following values in the `operator` field: `scopeSelector` supports the following values in the `operator` field: