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Instruction how to run CDS on Microk8s.

System Setup:

Make sure to have the correct versions of Kubernetes, kubectl and Helm installed to match the desired ONAP version. Find out required versions for onap e.g. from  https://docs.onap.org/en/latest/submodules/oom.git/docs/oom_cloud_setup_guide.html. Guide is tested on a dedicated linux box (Ubuntu 18_04).

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microk8s enable storage

microk8s enable helm

microk8s enable dns 

Note the The default storage class with the following command, it class  is required in the Helm deploy command later on, therefore take note of it with the following command.

microk8s kubectl get sc --all-namespaces

Example output:

NAME                          PROVISIONER            AGE
microk8s-hostpath (default)   microk8s.io/hostpath   29s

ONAP Helm charts

1. Clone ONAP Helm charts for specific release including submodules

   git clone --branch frankfurt--recurse-submodules "https://gerrit.onap.org/r/oom"
   
   

2. Change to kubernetes dir

   cd oom/kubernetes
   
   

3. Initialize Helm and configure Tiller

   Code Block
   language bash title Configure Tiller
   microk8s kubectl -n kube-system create serviceaccount tiller microk8s kubectl create clusterrolebinding tiller-cluster-rule --clusterrole=cluster-admin --serviceaccount=kube-system:tiller microk8s helm init --service-account tiller microk8s kubectl -n kube-system rollout status deploy/tiller-deploy

   
   

4. Start Helm service and initialize local Helm repository

   make repo
   
   

   # This will do same as:

   helm serve &
   helm repo add local http://127.0.0.1:8879

     

5. Package ONAP Helm charts

   make

Deploy CDS

Run the following Helm command on oom/kubernetes directory do deploy CDS. Note that '--set global.masterPassword=random' is required for Frankfurt and probably newer releases. Storage class needs to be storage class the one from the section of Microk8s setup.

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