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Code Block
languageyaml
titlemetallb_config.yaml
apiVersion: metallb.io/v1beta1
kind: IPAddressPool
metadata:
  namespace: metallb-system
  name: default-pool-10-6
spec:
  addresses:
  - 10.10.6.240-10.10.6.250  # Adjust to your available range

---
apiVersion: metallb.io/v1beta1
kind: L2Advertisement
metadata:
  namespace: metallb-system
  name: l2advice-106
spec:
  ipAddressPools:
    - default-pool-10-6
  nodeSelectors:
    - matchLabels:
           vlan  lb-network-access: vlan-10-6

---
## if you have other network to expose
apiVersion: metallb.io/v1beta1
kind: IPAddressPool
metadata:
  namespace: metallb-system
  name: default-pool-109
spec:
  addresses:
  - 192.168.109.240-192.168.109.250  # Adjust to your available range

---
apiVersion: metallb.io/v1beta1
kind: L2Advertisement
metadata:
  namespace: metallb-system
  name: l2advice-107
spec:
  ipAddressPools:
    - default-pool-109
  nodeSelectors:
    - matchLabels:
           vlan  lb-network-access: vlan-109


Install metallb and configure

...

kubectl -n argocd set env deployment/argocd-repo-server \
  HTTP_PROXY=http://your.proxy.address:port \
  HTTPS_PROXY=http://your.proxy.address:port \
  NO_PROXY=localhost,127.0.0.1,.cluster.local,.svc,yourcluster.local


6 Install

...

NFS storage class

Create app file called nfs_app.yaml


Code Block
apiVersion: argoproj.io/v1alpha1
kind: Application
metadata:
  name: nfs-subdir-external-provisioner
  namespace: argocd        # namespace dove gira Argo CD
  finalizers:
    - resources-finalizer.argocd.argoproj.io
spec:
  project: default
  source:
    repoURL: https://kubernetes-sigs.github.io/nfs-subdir-external-provisioner/
    chart: nfs-subdir-external-provisioner
    targetRevision: 4.0.18
    helm:
      values: |
        nfs:
          server: atlasdisk19.lnf.infn.it
          path: /St-Dell3800-A-A13Vd0
        storageClass:
          name: nfs-atlas
          accessModes: ReadWriteMany
  destination:
    server: https://kubernetes.default.svc
    namespace: nfs-provisioner
  syncPolicy:
    automated:
      prune: true
      selfHeal: true
    syncOptions:
      - CreateNamespace=true

Apply:

Code Block
languageshell
titleShell Command
kubectl apply -f nfs_app.yaml

Test SC (Storage Class):


Code Block
apiVersion: v1
kind: PersistentVolumeClaim
metadata:
  name: nfs-test-pvc
  namespace: default
spec:
  accessModes:
    - ReadWriteMany
  resources:
    requests:
      storage: 1Gi
  storageClassName: nfs-atlas
---
apiVersion: v1
kind: Pod
metadata:
  name: nfs-test-pod
  namespace: default
spec:
  containers:
    - name: test
      image: busybox:1.36
      command: ["/bin/sh", "-c", "sleep 3600"]
      volumeMounts:
        - name: nfs-storage
          mountPath: /mnt/nfs
  volumes:
    - name: nfs-storage
      persistentVolumeClaim:
        claimName: nfs-test-pvc

Apply:

Code Block
languageshell
titleShell Command
kubectl apply -f pod_nfs.yaml

Test nfs inside pod:

Code Block
languageshell
titleShell Command
kubectl exec -it nfs-test-pod -- sh
cd /mnt/nfs
touch prova.txt
echo "ciao" > prova.txt
cat prova.txt

7 Install EPIK8S backend services (optional)

The backend services install:

  • kafka
  • mongodb
  • elasticsearch

...

The backend services install:

  • kafka
  • mongodb
  • elasticsearch

At the moment serve all the beamlines of the cluster. These services can be also installed in other ways and/or pre-esistent.

...

Code Block
languageshell
titleShell Command
kubectl apply -f epik8s-backend.yaml

...

 Code Block
languageshell
titleShell Command
8 Install EPIK8S beamline
A beamline GIT EPIK8s repo must exists.
...