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April 2, 2018 12:49
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# Create volume for DB server | |
# https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux_atomic_host/7/html/getting_started_with_kubernetes/get_started_provisioning_storage_in_kubernetes | |
# https://kubernetes.io/docs/getting-started-guides/minikube/#configuring-kubernetes | |
# https://kubernetes.io/docs/concepts/storage/persistent-volumes/#persistentvolumeclaims | |
kind: PersistentVolume | |
apiVersion: v1 | |
metadata: | |
name: mysql001 | |
labels: | |
type: local | |
spec: | |
capacity: | |
storage: 10Gi | |
accessModes: | |
- ReadWriteOnce | |
hostPath: | |
path: "/data/mysql001" | |
--- | |
kind: PersistentVolumeClaim | |
apiVersion: v1 | |
metadata: | |
name: mysql001-1 | |
spec: | |
accessModes: | |
- ReadWriteOnce | |
resources: | |
requests: | |
storage: 5Gi | |
################################################################################ | |
--- | |
# https://github.com/kubernetes/examples/blob/master/guestbook/all-in-one/guestbook-all-in-one.yaml | |
# https://kubernetes.io/docs/concepts/workloads/controllers/deployment/ | |
apiVersion: apps/v1beta2 # for versions before 1.8.0 use apps/v1beta1 | |
kind: Deployment | |
metadata: | |
name: dbserver-deployment | |
labels: | |
app: dbserver | |
spec: | |
replicas: 1 | |
selector: | |
matchLabels: | |
app: dbserver | |
template: | |
metadata: | |
labels: | |
app: dbserver | |
spec: | |
containers: | |
- name: dbserver | |
image: mariadb | |
resources: | |
requests: | |
cpu: 400m | |
memory: 600Mi | |
ports: | |
- containerPort: 3306 | |
env: | |
- name: MYSQL_ROOT_PASSWORD | |
value: "my-secret-pw" | |
# https://kubernetes.io/docs/concepts/storage/persistent-volumes/#claims-as-volumes | |
volumeMounts: | |
- mountPath: "/var/lib/mysql" | |
name: mysqlstorage | |
volumes: | |
- name: mysqlstorage | |
persistentVolumeClaim: | |
claimName: mysql001-1 | |
--- | |
# Use services to export my app | |
# https://kubernetes.io/docs/concepts/services-networking/service/ | |
apiVersion: v1 | |
kind: Service | |
metadata: | |
name: my-dbserver-service | |
labels: | |
app: dbserver | |
spec: | |
type: NodePort | |
ports: | |
- port: 3306 | |
targetPort: 3306 | |
selector: | |
app: dbserver | |
################################################################################ | |
--- | |
# https://github.com/kubernetes/examples/blob/master/guestbook/all-in-one/guestbook-all-in-one.yaml | |
# https://kubernetes.io/docs/concepts/workloads/controllers/deployment/ | |
apiVersion: apps/v1beta2 # for versions before 1.8.0 use apps/v1beta1 | |
kind: Deployment | |
metadata: | |
name: dbclient-deployment | |
labels: | |
app: dbclient | |
spec: | |
replicas: 2 | |
selector: | |
matchLabels: | |
app: dbclient | |
template: | |
metadata: | |
labels: | |
app: dbclient | |
spec: | |
containers: | |
- name: dbclient | |
# Docker Image: https://hub.docker.com/_/adminer/ | |
image: adminer | |
resources: | |
requests: | |
cpu: 100m | |
memory: 100Mi | |
ports: | |
- containerPort: 8080 | |
--- | |
# Use services to export my app | |
# https://kubernetes.io/docs/concepts/services-networking/service/ | |
apiVersion: v1 | |
kind: Service | |
metadata: | |
name: my-dbclient-service | |
labels: | |
app: dbclient | |
spec: | |
type: NodePort | |
ports: | |
- port: 8080 | |
targetPort: 8080 | |
selector: | |
app: dbclient |
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