[add] 添加亲和性调度

Author: cnych

SUMMARY.md

@@ -77,4 +77,4 @@
 
 ### 调度器
 * [Kubernetes 调度器介绍](docs/50.Kubernetes调度策略.md)
-* [Kubernetes 亲和性调度](docs/51.Kubernetes亲和性调度.md)
+* [Kubernetes 亲和性调度](docs/51.Kubernetes亲和性调度.md)

book.json

@@ -66,10 +66,10 @@
             "bookmark": "favicon.ico"
         },
         "3-ba": {
-            "token": "98a42f33a08c40eef600d39d605ab818"
+            "token": "d611849735f187dd788dc054908f7d7a"
         },
         "ga": {
-            "token": "UA-69668147-7"
+            "token": "UA-69668147-3"
         }
     }
 }

docs/51.Kubernetes亲和性调度.md

@@ -0,0 +1,38 @@
+apiVersion: apps/v1beta1
+kind: Deployment
+metadata:
+  name: affinity
+  labels:
+    app: affinity
+spec:
+  replicas: 3
+  revisionHistoryLimit: 10
+  template:
+    metadata:
+      labels:
+        app: affinity
+    spec:
+      containers:
+      - name: nginx
+        image: nginx:1.7.9
+        ports:
+        - name: http
+          containerPort: 80
+      affinity:
+        nodeAffinity:
+          requiredDuringSchedulingIgnoredDuringExecution:
+            nodeSelectorTerms:
+            - matchExpressions:
+              - key: kubernetes.io/hostname
+                operator: NotIn
+                values:
+                - node03
+          preferredDuringSchedulingIgnoredDuringExecution:
+          - weight: 1
+            preference:
+              matchExpressions:
+              - key: com
+                operator: In
+                values:
+                - youdianzhishi
+

scheduler/node-affinity-demo.yaml

@@ -0,0 +1,15 @@
+apiVersion: v1
+kind: Pod
+metadata:
+  labels:
+    app: busybox-pod
+  name: test-busybox
+spec:
+  containers:
+  - command:
+    - sleep
+    - "3600"
+    image: busybox
+    name: test-busybox
+  nodeSelector:
+    com: youdianzhishi

scheduler/node-selector-demo.yaml

@@ -0,0 +1,30 @@
+apiVersion: apps/v1beta1
+kind: Deployment
+metadata:
+  name: affinity
+  labels:
+    app: affinity
+spec:
+  replicas: 3
+  revisionHistoryLimit: 10
+  template:
+    metadata:
+      labels:
+        app: affinity
+    spec:
+      containers:
+      - name: nginx
+        image: nginx:1.7.9
+        ports:
+        - name: http
+          containerPort: 80
+      affinity:
+        podAffinity:
+          requiredDuringSchedulingIgnoredDuringExecution:
+          - labelSelector:
+              matchExpressions:
+              - key: app
+                operator: In
+                values:
+                - busybox-pod
+            topologyKey: kubernetes.io/hostname

scheduler/pod-affinity-demo.yaml

@@ -0,0 +1,30 @@
+apiVersion: apps/v1beta1
+kind: Deployment
+metadata:
+  name: affinity
+  labels:
+    app: affinity
+spec:
+  replicas: 3
+  revisionHistoryLimit: 10
+  template:
+    metadata:
+      labels:
+        app: affinity
+    spec:
+      containers:
+      - name: nginx
+        image: nginx:1.7.9
+        ports:
+        - name: http
+          containerPort: 80
+      affinity:
+        podAntiAffinity:
+          requiredDuringSchedulingIgnoredDuringExecution:
+          - labelSelector:
+              matchExpressions:
+              - key: app
+                operator: In
+                values:
+                - busybox-pod
+            topologyKey: kubernetes.io/hostname