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Open Shift Caddy data server template YAML files

This is a collection of template YAML files to quickly build up a caddy data server in an Open Shift cluster. The data server is consisted of a Caddy pod, a service object, and a route object for restricted external access (if applicable). The objects are defined in YAML files and can be applied to a cluster on the run.

architect design

Quick Start

  • Change the MY-WOKSPACE namespace field in the YAML files to the namespace of your cluster
...
metadata:
  namespace: MY-WOKSPACE
...
  • Configure the volume size for the data server in caddy-pvc.yaml. The default size is 1G.
...
spec:
  accessModes:
    - ReadWriteMany
  resources:
    requests:
      storage: 1Gi
...
  • Configure the CPU and memory size of the Caddy server pod in caddy-deployment.yaml. Or you may use the default values.
...
 containers:
        - resources:
            limits:
              cpu: 500m
              memory: 2Gi
            requests:
              cpu: 50m
              memory: 1Gi
...
  • If allow external access, configure the allowed IP/IP blocks in caddy-route.yaml. Multiple IP addresses are separated by spaces. The default IP block 0.0.0.0/0 enables all IPs.
...
 metadata:
  name: caddy-route
  namespace: MY-WOKSPACE
  labels:
    app: caddy
  annotations:
    haproxy.router.openshift.io/ip_whitelist: 0.0.0.0 0.0.0.0/0
...
  • Log in Open Shift in terminal. Then apply the YAML scripts in the following order. Skip caddy-route.yaml if you only need the data server to be used inside the cluster.
oc apply -f caddy-configmap.yaml
oc apply -f caddy-pvc.yaml
oc apply -f caddy-deployment.yaml
oc apply -f caddy-service.yaml

# for controlled external access
oc apply -f caddy-route.yaml

# don't forget to implement a public network policy if you don't have it in the cluster
oc apply -f default-network-policy.yaml

You should be access to the Caddy server internal at: caddy-service.MY-NAMESPACE.svc.cluster.local and public at: http://caddy-route-MY-NAMESPACE.apps.silver.devops.gov.bc.ca (if setup).

By default files are stored in the /data folder in the volume. You may modify the position in Caddy configure file in caddy-configmap.yaml

Contributing

Pull requests are welcome. For major changes, please open an issue first to discuss what you would like to change.

Please make sure to update tests as appropriate.

License

MIT