新增learn-kubernetes（https://github.com/yyong-brs/learn-kubernetes）相关文件

learn/learn-kubernetes-master/kiamol/ch05/exercises/5.01.sh

@@ -0,0 +1,8 @@
+cd /kiamol/ch05
+
+kubectl apply -f sleep/sleep.yaml
+kubectl exec deploy/sleep -- sh -c 'echo ch05 > /file.txt; ls /*.txt'
+kubectl get pod -l app=sleep -o jsonpath='{.items[0].status.containerStatuses[0].containerID}'
+kubectl exec -it deploy/sleep -- killall5
+kubectl get pod -l app=sleep -o jsonpath='{.items[0].status.containerStatuses[0].containerID}'
+kubectl exec deploy/sleep -- ls /*.txt

learn/learn-kubernetes-master/kiamol/ch05/exercises/5.02.sh

@@ -0,0 +1,9 @@
+cd /kiamol/ch05
+
+kubectl apply -f sleep/sleep-with-emptyDir.yaml
+kubectl exec deploy/sleep -- ls /data
+kubectl exec deploy/sleep -- sh -c 'echo ch05 > /data/file.txt; ls /data'
+kubectl get pod -l app=sleep -o jsonpath='{.items[0].status.containerStatuses[0].containerID}'
+kubectl exec deploy/sleep -- killall5
+kubectl get pod -l app=sleep -o jsonpath='{.items[0].status.containerStatuses[0].containerID}'
+kubectl exec deploy/sleep -- cat /data/file.txt

learn/learn-kubernetes-master/kiamol/ch05/exercises/5.03.sh

@@ -0,0 +1,6 @@
+cd /kiamol/ch05
+
+kubectl apply -f pi/v1/ 
+kubectl wait --for=condition=Ready pod -l app=pi-web
+kubectl get svc pi-proxy -o jsonpath='http://{.status.loadBalancer.ingress[0].*}:8080/?dp=30000'
+kubectl exec deploy/pi-proxy -- ls -l /data/nginx/cache

learn/learn-kubernetes-master/kiamol/ch05/exercises/5.04.sh

@@ -0,0 +1,4 @@
+cd /kiamol/ch05
+
+kubectl delete pod -l app=pi-proxy
+kubectl exec deploy/pi-proxy -- ls -l /data/nginx/cache

learn/learn-kubernetes-master/kiamol/ch05/exercises/5.05.sh

@@ -0,0 +1,10 @@
+cd /kiamol/ch05
+
+kubectl apply -f pi/nginx-with-hostPath.yaml
+kubectl exec deploy/pi-proxy -- ls -l /data/nginx/cache
+
+#
+curl http://localhost:8080/?dp=30000
+
+kubectl delete pod -l app=pi-proxy
+kubectl exec deploy/pi-proxy -- ls -l /data/nginx/cache

learn/learn-kubernetes-master/kiamol/ch05/exercises/5.06.sh

@@ -0,0 +1,6 @@
+cd /kiamol/ch05
+
+kubectl apply -f sleep/sleep-with-hostPath.yaml
+kubectl exec deploy/sleep -- ls -l /var/log
+kubectl exec deploy/sleep -- ls -l /node-root/var/log
+kubectl exec deploy/sleep -- whoami

learn/learn-kubernetes-master/kiamol/ch05/exercises/5.07.sh

@@ -0,0 +1,5 @@
+cd /kiamol/ch05
+
+kubectl apply -f sleep/sleep-with-hostPath-subPath.yaml
+kubectl exec deploy/sleep -- sh -c 'ls /pod-logs | grep _pi-'
+kubectl exec deploy/sleep -- sh -c 'ls /container-logs | grep nginx'

learn/learn-kubernetes-master/kiamol/ch05/exercises/5.08.sh

@@ -0,0 +1,6 @@
+cd /kiamol/ch05
+
+kubectl label node $(kubectl get nodes -o jsonpath='{.items[0].metadata.name}') kiamol=ch05
+kubectl get nodes -l kiamol=ch05
+kubectl apply -f todo-list/persistentVolume.yaml
+kubectl get pv

learn/learn-kubernetes-master/kiamol/ch05/exercises/5.09.sh

@@ -0,0 +1,5 @@
+cd /kiamol/ch05
+
+kubectl apply -f todo-list/postgres-persistentVolumeClaim.yaml
+kubectl get pvc
+kubectl get pv

learn/learn-kubernetes-master/kiamol/ch05/exercises/5.10.sh

@@ -0,0 +1,4 @@
+cd /kiamol/ch05
+
+kubectl apply -f todo-list/postgres-persistentVolumeClaim-too-big.yaml
+kubectl get pvc

learn/learn-kubernetes-master/kiamol/ch05/exercises/5.11.sh

@@ -0,0 +1,5 @@
+cd /kiamol/ch05
+
+kubectl apply -f sleep/sleep-with-hostPath.yaml
+kubectl wait --for=condition=Ready pod -l app=sleep
+kubectl exec deploy/sleep -- mkdir -p /node-root/volumes/pv01

learn/learn-kubernetes-master/kiamol/ch05/exercises/5.12.sh

@@ -0,0 +1,6 @@
+cd /kiamol/ch05
+
+kubectl apply -f todo-list/postgres/
+sleep 30
+kubectl logs -l app=todo-db --tail 1
+kubectl exec deploy/sleep -- sh -c 'ls -l /node-root/volumes/pv01 | grep wal'

learn/learn-kubernetes-master/kiamol/ch05/exercises/5.13.sh

@@ -0,0 +1,10 @@
+cd /kiamol/ch05
+
+kubectl apply -f todo-list/web/
+kubectl wait --for=condition=Ready pod -l app=todo-web
+kubectl get svc todo-web -o jsonpath='http://{.status.loadBalancer.ingress[0].*}:8081/new'
+
+#
+
+kubectl delete pod -l app=todo-db
+kubectl exec deploy/sleep -- ls -l /node-root/volumes/pv01/pg_wal

learn/learn-kubernetes-master/kiamol/ch05/exercises/5.14.sh

@@ -0,0 +1,7 @@
+cd /kiamol/ch05
+
+kubectl apply -f todo-list/postgres-persistentVolumeClaim-dynamic.yaml
+kubectl get pvc
+kubectl get pv
+kubectl delete pvc postgres-pvc-dynamic
+kubectl get pv

learn/learn-kubernetes-master/kiamol/ch05/exercises/5.15.sh

@@ -0,0 +1,5 @@
+cd /kiamol/ch05
+
+kubectl get storageclass
+chmod +x cloneDefaultStorageClass.sh  ./cloneDefaultStorageClass.sh
+kubectl get sc

learn/learn-kubernetes-master/kiamol/ch05/exercises/5.16.sh

@@ -0,0 +1,7 @@
+cd /kiamol/ch05
+
+kubectl apply -f storageClass/postgres-persistentVolumeClaim-storageClass.yaml
+kubectl apply -f storageClass/todo-db.yaml
+kubectl get pvc
+kubectl get pv
+kubectl get pods -l app=todo-db

learn/learn-kubernetes-master/kiamol/ch05/exercises/README.md

@@ -0,0 +1,9 @@
+# Exercises
+
+These are scripted versions of the exercises in the chapter.
+
+I used them to smoke-test the exercises on different clusters.
+
+You can use them to save typing time, but be aware that it can take a few seconds for the results of the Kubernetes commands to take effect.
+
+So the output won't always be the same as if you manually run the exercises.

learn/learn-kubernetes-master/kiamol/ch05/exercises/teardown.sh

@@ -0,0 +1,4 @@
+cd /kiamol/ch05
+
+kubectl delete -f pi/v1 -f sleep/ -f storageClass/ -f todo-list/web -f todo-list/postgres -f todo-list/
+kubectl delete sc kiamol