Documentation LimitRange Policies (#14086)

*  Documentation LimitRange Policies

* Fixing limirange docs issues

*  Style and grammar

* Reviewer wanted

*  syntax and grammar feedbacks

content/en/examples/admin/resource/limit-mem-cpu-container.yaml

@@ -0,0 +1,19 @@
+apiVersion: v1
+kind: LimitRange
+metadata:
+  name: limit-mem-cpu-per-container
+spec:
+  limits:
+  - max:
+      cpu: "800m"
+      memory: "1Gi"
+    min:
+      cpu: "100m"
+      memory: "99Mi"
+    default:
+      cpu: "700m"
+      memory: "900Mi"
+    defaultRequest:
+      cpu: "110m"
+      memory: "111Mi"
+    type: Container

content/en/examples/admin/resource/limit-mem-cpu-pod.yaml

@@ -0,0 +1,10 @@
+apiVersion: v1
+kind: LimitRange
+metadata:
+  name: limit-mem-cpu-per-pod
+spec:
+  limits:
+  - max:
+      cpu: "2"
+      memory: "2Gi"
+    type: Pod

content/en/examples/admin/resource/limit-memory-ratio-pod.yaml

@@ -0,0 +1,9 @@
+apiVersion: v1
+kind: LimitRange
+metadata:
+  name: limit-memory-ratio-pod
+spec:
+  limits:
+  - maxLimitRequestRatio:
+      memory: 2
+    type: Pod

content/en/examples/admin/resource/limit-range-pod-1.yaml

@@ -0,0 +1,37 @@
+apiVersion: v1
+kind: Pod
+metadata:
+  name: busybox1
+spec:
+  containers:
+  - name: busybox-cnt01
+    image: busybox
+    command: ["/bin/sh"]
+    args: ["-c", "while true; do echo hello from cnt01; sleep 10;done"]
+    resources:
+      requests:
+        memory: "100Mi"
+        cpu: "100m"
+      limits:
+        memory: "200Mi"
+        cpu: "500m"
+  - name: busybox-cnt02
+    image: busybox
+    command: ["/bin/sh"]
+    args: ["-c", "while true; do echo hello from cnt02; sleep 10;done"]
+    resources:
+      requests:
+        memory: "100Mi"
+        cpu: "100m"
+  - name: busybox-cnt03
+    image: busybox
+    command: ["/bin/sh"]
+    args: ["-c", "while true; do echo hello from cnt03; sleep 10;done"]
+    resources:
+      limits:
+        memory: "200Mi"
+        cpu: "500m"
+  - name: busybox-cnt04
+    image: busybox
+    command: ["/bin/sh"]
+    args: ["-c", "while true; do echo hello from cnt04; sleep 10;done"]

content/en/examples/admin/resource/limit-range-pod-2.yaml

@@ -0,0 +1,37 @@
+apiVersion: v1
+kind: Pod
+metadata:
+  name: busybox2
+spec:
+  containers:
+  - name: busybox-cnt01
+    image: busybox
+    command: ["/bin/sh"]
+    args: ["-c", "while true; do echo hello from cnt01; sleep 10;done"]
+    resources:
+      requests:
+        memory: "100Mi"
+        cpu: "100m"
+      limits:
+        memory: "200Mi"
+        cpu: "500m"
+  - name: busybox-cnt02
+    image: busybox
+    command: ["/bin/sh"]
+    args: ["-c", "while true; do echo hello from cnt02; sleep 10;done"]
+    resources:
+      requests:
+        memory: "100Mi"
+        cpu: "100m"
+  - name: busybox-cnt03
+    image: busybox
+    command: ["/bin/sh"]
+    args: ["-c", "while true; do echo hello from cnt03; sleep 10;done"]
+    resources:
+      limits:
+        memory: "200Mi"
+        cpu: "500m"
+  - name: busybox-cnt04
+    image: busybox
+    command: ["/bin/sh"]
+    args: ["-c", "while true; do echo hello from cnt04; sleep 10;done"]

content/en/examples/admin/resource/limit-range-pod-3.yaml

@@ -0,0 +1,13 @@
+apiVersion: v1
+kind: Pod
+metadata:
+  name: busybox3
+spec:
+  containers:
+  - name: busybox-cnt01
+    image: busybox
+    resources:
+      limits:
+        memory: "300Mi"
+      requests:
+        memory: "100Mi"

content/en/examples/admin/resource/pvc-limit-greater.yaml

@@ -0,0 +1,10 @@
+kind: PersistentVolumeClaim
+apiVersion: v1
+metadata:
+  name: pvc-limit-greater
+spec:
+  accessModes:
+    - ReadWriteOnce
+  resources:
+    requests:
+      storage: 5Gi

content/en/examples/admin/resource/pvc-limit-lower.yaml

@@ -0,0 +1,10 @@
+kind: PersistentVolumeClaim
+apiVersion: v1
+metadata:
+  name: pvc-limit-lower
+spec:
+  accessModes:
+    - ReadWriteOnce
+  resources:
+    requests:
+      storage: 500Mi

content/en/examples/admin/resource/storagelimits.yaml

@@ -0,0 +1,11 @@
+apiVersion: v1
+kind: LimitRange
+metadata:
+  name: storagelimits
+spec:
+  limits:
+  - type: PersistentVolumeClaim
+    max:
+      storage: 2Gi
+    min:
+      storage: 1Gi

content/en/examples/examples_test.go

@@ -320,6 +320,12 @@ func TestExampleObjectSchemas(t *testing.T) {
 			"cpu-defaults-pod":         {&api.Pod{}},
 			"cpu-defaults-pod-2":       {&api.Pod{}},
 			"cpu-defaults-pod-3":       {&api.Pod{}},
+			"limit-mem-cpu-container":  {&api.LimitRange{}},
+			"limit-mem-cpu-pod":        {&api.LimitRange{}},
+			"limit-range-pod-1":        {&api.Pod{}},
+			"limit-range-pod-2":        {&api.Pod{}},
+			"limit-range-pod-3":        {&api.Pod{}},
+			"limit-memory-ratio-pod":   {&api.LimitRange{}},
 			"memory-constraints":       {&api.LimitRange{}},
 			"memory-constraints-pod":   {&api.Pod{}},
 			"memory-constraints-pod-2": {&api.Pod{}},
@@ -329,6 +335,8 @@ func TestExampleObjectSchemas(t *testing.T) {
 			"memory-defaults-pod":      {&api.Pod{}},
 			"memory-defaults-pod-2":    {&api.Pod{}},
 			"memory-defaults-pod-3":    {&api.Pod{}},
+			"pvc-limit-lower":          {&api.PersistentVolumeClaim{}},
+			"pvc-limit-greater":        {&api.PersistentVolumeClaim{}},
 			"quota-mem-cpu":            {&api.ResourceQuota{}},
 			"quota-mem-cpu-pod":        {&api.Pod{}},
 			"quota-mem-cpu-pod-2":      {&api.Pod{}},
@@ -337,6 +345,7 @@ func TestExampleObjectSchemas(t *testing.T) {
 			"quota-objects-pvc-2":      {&api.PersistentVolumeClaim{}},
 			"quota-pod":                {&api.ResourceQuota{}},
 			"quota-pod-deployment":     {&apps.Deployment{}},
+			"storagelimits":            {&api.LimitRange{}},
 		},
 		"admin/sched": {
 			"my-scheduler": {&api.ServiceAccount{}, &rbac.ClusterRoleBinding{}, &apps.Deployment{}},
@@ -405,8 +414,8 @@ func TestExampleObjectSchemas(t *testing.T) {
 			"zookeeper": {&api.Service{}, &api.Service{}, &policy.PodDisruptionBudget{}, &apps.StatefulSet{}},
 		},
 		"configmap": {
-			"configmaps":            {&api.ConfigMap{}, &api.ConfigMap{}},
-			"configmap-multikeys":   {&api.ConfigMap{}},
+			"configmaps":          {&api.ConfigMap{}, &api.ConfigMap{}},
+			"configmap-multikeys": {&api.ConfigMap{}},
 		},
 		"controllers": {
 			"daemonset":        {&apps.DaemonSet{}},