hongsnet.net node affinity 적용추가

DOCKER/K8S/HONGSNET/README.md

@@ -85,7 +85,7 @@ metadata:
     app: hongsnet
   name: hongsnet-web
 spec:
-  replicas: 5
+  replicas: 6
   strategy:
     type: RollingUpdate
     rollingUpdate:
@@ -99,6 +99,15 @@ spec:
       labels:
         app: hongsnet
     spec:
+      affinity:
+        nodeAffinity:
+          requiredDuringSchedulingIgnoredDuringExecution:
+            nodeSelectorTerms:
+            - matchExpressions:
+              - key: key
+                operator: In
+                values:
+                - worker
       volumes:
       - name: webeditor-hongsnet-volume
         persistentVolumeClaim:
@@ -169,8 +178,8 @@ spec:
     apiVersion: apps/v1
     kind: Deployment
     name: hongsnet-web
-  minReplicas: 5
-  maxReplicas: 10
+  minReplicas: 6
+  maxReplicas: 12
   targetCPUUtilizationPercentage: 80
 ```
 
@@ -207,20 +216,26 @@ kubernetes     ClusterIP   10.96.0.1      <none>        443/TCP        23h
 ```bash
 # kubectl get pods -o wide
 NAME                            READY   STATUS    RESTARTS   AGE     IP           NODE         NOMINATED NODE   READINESS GATES
-hongsnet-web-54b64478f9-6ff9x   1/1     Running   0          7h50m   10.244.1.5   tb2          <none>           <none>
-hongsnet-web-54b64478f9-7bzjw   1/1     Running   0          7h50m   10.244.1.6   tb2          <none>           <none>
-hongsnet-web-54b64478f9-gtsmt   1/1     Running   0          7h50m   10.244.2.6   tb3          <none>           <none>
-hongsnet-web-54b64478f9-sqdrm   1/1     Running   0          7h50m   10.244.3.4   tb3-docker   <none>           <none>
-hongsnet-web-54b64478f9-vh7lf   1/1     Running   0          7h50m   10.244.2.5   tb3          <none>           <none>
+hongsnet-web-66cbcd57c7-fj9vq   1/1     Running   0          4m16s   10.244.1.53   tb2          <none>           <none>
+hongsnet-web-66cbcd57c7-hr698   1/1     Running   0          8m49s   10.244.2.46   tb3          <none>           <none>
+hongsnet-web-66cbcd57c7-nt7vs   1/1     Running   0          9m2s    10.244.3.36   tb3-docker   <none>           <none>
+hongsnet-web-66cbcd57c7-qmxwn   1/1     Running   0          8m57s   10.244.2.45   tb3          <none>           <none>
+hongsnet-web-66cbcd57c7-v97sn   1/1     Running   0          8m45s   10.244.1.49   tb2          <none>           <none>
+hongsnet-web-66cbcd57c7-wnmwm   1/1     Running   0          8m53s   10.244.3.37   tb3-docker   <none>           <none>
 
 ```
 
+## Node Affinity의 적용
+
+> Master Node의 Default **Taint 설정**으로 인해, 실질적으로 배포되는 Node는 `3`개 이다. 따라서 `Node Affinity`를 적용하여, 모든 Node가 균등하게 배포되도록 적용한다.
+
+
 # Replicas의 현황
 
 ```bash
 # ./kube-replicaget.sh
 NAME                      DESIRED   CURRENT   READY   AGE
-hongsnet-web-54b64478f9   5         5         5       7h51m
+hongsnet-web-66cbcd57c7   6         6         6       9m27s
 ```
 
 # Deployment의 현황
@@ -228,7 +243,7 @@ hongsnet-web-54b64478f9   5         5         5       7h51m
 ```bash
 # ./kube-getdeploy.sh
 NAME           READY   UP-TO-DATE   AVAILABLE   AGE
-hongsnet-web   5/5     5            5           7h48m
+hongsnet-web   6/6     6            6           3d9h
 ```
 
 # 전체 Namespace 현황
@@ -276,7 +291,7 @@ tb3-docker   Ready    <none>                 17h   v1.20.4   beta.kubernetes.io/
 ```bash
 # kubectl get hpa
 NAME           REFERENCE                 TARGETS   MINPODS   MAXPODS   REPLICAS   AGE
-hongsnet-web   Deployment/hongsnet-web   0%/80%    5         10        5          7h51m
+hongsnet-hpa   Deployment/hongsnet-web   0%/80%    6         12        6          3d9h
 ```
 
 # HA-Proxy Back-end 현황