Kubernetes Build

Appearance

Infomaniak ​

Deploy the Helm charts to Infomaniak Managed Kubernetes service.

Setup project ​

Create new Kubernetes cluster in the Infomaniak manager. Then add an instance group.

Download the Kubeconfig file and move it.

bash
mv ~/Downloads/pck-XXXXXXX-kubeconfig ~/.kube/config.chk
export KUBECONFIG=~/.kube/config.chk
kubectl get namespaces

Switch to chk cluster.

bash
task switch-cluster chk

Setup haproxy ingress ​

Add all repos and install the haproxy ingress.

bash
task add-repos
task install-chart ingress-nginx values/chk.mintcloud.ch.yaml

Setup cert manager ​

Install cert manager with Infomaniak webhook.

bash
task install-chart cert-manager values/chk.mintcloud.ch.yaml

Create an Infomaniak API token with domain scope: https://manager.infomaniak.com/v3/infomaniak-api

Setup the secret according to clusterIssuer > Secrets.

Install cluster issuer.

bash
task install-chart clusterIssuer values/chk.mintcloud.ch.yaml

Setup k8up ​

Install k8up in the current cluster.

bash
task install-chart k8up values/chk.mintcloud.ch.yaml

Create Odoo release ​

Install the CloudNativePG chart:

bash
task install-chart cnpg values/chk.mintcloud.ch.yaml

Create a namespace for the application.

bash
k create namespace <namespace>

Select the namespace.

bash
kubens

Install the Odoo chart.

bash
task install-chart odoo values/odoo.chk.mintcloud.ch

Troubleshooting ​

VolumeLimitExceeded ​

Problem

New pods are pending. When checking the state of the pvc the following message is shown:

Warning  ProvisioningFailed    22s (x8 over 2m30s)  cinder.csi.openstack.org_openstack-cinder-csi-controllerplugin-7fc49d566-k8k6m_01c4c2ed-0e7c-4ca3-b7db-df8c84fc8839  failed to provision volume with StorageClass "csi-cinder-sc-retain": rpc error: code = Internal desc = CreateVolume failed with error Expected HTTP response code [202] when accessing [POST https://api.pub2.infomaniak.cloud/volume/v3/624934911cbe4e4189d060d3bc96ac76/volumes], but got 413 instead: {"overLimit": {"code": 413, "message": "VolumeLimitExceeded: Maximum number of volumes allowed (20) exceeded for quota 'volumes'.", "retryAfter": "0"}}
Normal   ExternalProvisioning  6s (x24 over 5m30s)  persistentvolume-controller                                                                                          Waiting for a volume to be created either by the external provisioner 'cinder.csi.openstack.org' or manually by the system administrator. If volume creation is delayed, please verify that the provisioner is running and correctly registered.

Solution

Log into OpenStack and delete unused volumes or update the quota for the project.