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couchbase-sc.yaml
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#Create storage class for couchbase volumes. | |
kubectl create -f couchbase-sc.yaml | |
#Create couchbase service. | |
kubectl create -f couchbase-service.yaml | |
#Check the status of Couchbase app | |
kubectl get services | |
#The UI and backend services are created but nothing is accessible from master UI yet as we have just created the dns resolver. | |
#The Couchbase app (UI + noSQL db) is yet to be created. | |
# http://10.152.191.162:30197/ <port might change each time the service is deployed> | |
#Deploy the application | |
kubectl create -f couchbase-statefulset.yaml | |
# Check NGC to see steps VCP is taking behind the scenes to provision persistent storage based on the business | |
# requirements | |
https://10.152.191.28/vsphere-client/ | |
#Show that application is deployed in two pods as they are two replicas | |
kubectl get pods | |
#Since your application has a lot of load, deploy one more instance of the app. | |
kubectl scale statefulset couchbase --replicas=3 | |
#Check whether the application has scaled successfully. | |
kubectl get pods |
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kind: StorageClass | |
apiVersion: storage.k8s.io/v1 | |
metadata: | |
name: couchbasesc | |
provisioner: kubernetes.io/vsphere-volume | |
parameters: | |
diskformat: thin |
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apiVersion: v1 | |
kind: Service | |
metadata: | |
name: couchbase | |
labels: | |
app: couchbase | |
spec: | |
ports: | |
- port: 8091 | |
name: couchbase | |
# *.couchbase.default.svc.cluster.local | |
clusterIP: None | |
selector: | |
app: couchbase | |
--- | |
apiVersion: v1 | |
kind: Service | |
metadata: | |
name: couchbase-ui | |
labels: | |
app: couchbase-ui | |
spec: | |
ports: | |
- port: 8091 | |
name: couchbase | |
selector: | |
app: couchbase | |
sessionAffinity: ClientIP | |
type: LoadBalancer |
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apiVersion: apps/v1beta1 | |
kind: StatefulSet | |
metadata: | |
name: couchbase | |
spec: | |
serviceName: "couchbase" | |
replicas: 2 | |
template: | |
metadata: | |
labels: | |
app: couchbase | |
spec: | |
terminationGracePeriodSeconds: 0 | |
containers: | |
- name: couchbase | |
image: saturnism/couchbase:k8s-petset | |
ports: | |
- containerPort: 8091 | |
volumeMounts: | |
- name: couchbase-data | |
mountPath: /opt/couchbase/var | |
env: | |
- name: COUCHBASE_MASTER | |
value: "couchbase-0.couchbase.default.svc.cluster.local" | |
- name: AUTO_REBALANCE | |
value: "false" | |
volumeClaimTemplates: | |
- metadata: | |
name: couchbase-data | |
annotations: | |
volume.beta.kubernetes.io/storage-class: couchbasesc | |
spec: | |
accessModes: [ "ReadWriteOnce" ] | |
resources: | |
requests: | |
storage: 1Gi |
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