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Version: 3.1

Install Portworx on Oracle Container Engine for Kubernetes

This topic explains how to install Portworx on Oracle Container Engine for Kubernetes (OKE).

note

Prerequisites

  • An OKE cluster that meets the Portworx prerequisites.
  • An Oracle API signing key and fingerprint. Download and store the key with the name oci_api_key.pem, and record the fingerprint of the key for use during this procedure.
  • Your Oracle user OCID. Record the OCID for use during this procedure.
  • Portworx by Pure Storage recommends you set max storage nodes per availability zone. When specified, Portworx will ensure that the desired number of storage nodes exist in the zone.

Install Portworx on OKE using the Operator

Generate the specs

To install Portworx with Kubernetes, you must first generate Kubernetes manifests that you will deploy in your cluster. Once the spec is generated you must also install the Portworx Operator.

  1. Navigate to Portworx Central and log in, or create an account.

  2. Select Portworx Enterprise and click Continue.

  3. For Platform, select Oracle, then click Customize at the bottom of the Summary section.

  4. Ensure that Use the Portworx Operator is selected, then select Portworx version 2.13 or newer. Fill in your cluster's Kubernetes version, then click Next.

  5. In the Storage section, Portworx recommends that you to select Create using a Spec and specify your own values for Select number of VPUs for Oracle block volumes.

  6. In the Networking section, click Next.

  7. In the Customize section, select (OKE) Oracle Kubernetes Engine and click Finish to generate the specs.

Create an Oracle Cloud credentials Kubernetes secret

Create a Kubernetes secret named ociapikey in the namespace where you will install Portworx. Use the following command:

kubectl create secret generic ociapikey \
--namespace <namespace> \
--from-file=oci_api_key.pem=oci_api_key.pem \
--from-literal=PX_ORACLE_user_ocid="<ocid>" \
--from-literal=PX_ORACLE_fingerprint="<fingerprint>"

Replace the following values:

  • <namespace> - The namespace where you will install Portworx
  • <ocid> - Your Oracle user OCID
  • <fingerprint> - The fingerprint for your Oracle API signing key

Deploy the Operator

To deploy the Operator, run the command that Portworx Central provided, which looks similar to the following:

kubectl apply -f 'https://install.portworx.com/<portworx_version>?comp=pxoperator&kbver=<k8s-version>&ns=portworx'
serviceaccount/portworx-operator created
podsecuritypolicy.policy/px-operator created
clusterrole.rbac.authorization.k8s.io/portworx-operator created
clusterrolebinding.rbac.authorization.k8s.io/portworx-operator created
deployment.apps/portworx-operator created

Deploy the StorageCluster

To deploy the StorageCluster, run the command that Portworx Central provided, which looks similar to the following:

kubectl apply -f “https://install.portworx.com/<portworx_version>?operator=true&mc=false&kbver=<k8s-version>&ns=portworx&b=true&kd=type%3Dpv-10%2Csize%3D150&mz=2&cp=oracle&s=%22type%3Dpv-10%2Csize%3D150%22%2C%22type%3Dpv-20%2Csize%3D150%22&j=auto&c=px-cluster-xxxxxxxx-xxxx-xxxx-xxxx-1f911204536e&oke=true&stork=true&csi=true&mon=true&tel=false&st=k8s&promop=true”

Verify your Portworx installation

Once you've installed Portworx, you can perform the following tasks to verify that Portworx has installed correctly.

Verify if all pods are running

Enter the following kubectl get pods command to list and filter the results for Portworx pods:

kubectl get pods -n <px-namespace> -o wide | grep -e portworx -e px
portworx-api-774c2                                      1/1     Running   0                2m55s   192.168.121.196   username-k8s1-node0    <none>           <none>
portworx-api-t4lf9 1/1 Running 0 2m55s 192.168.121.99 username-k8s1-node1 <none> <none>
portworx-api-dvw64 1/1 Running 0 2m55s 192.168.121.99 username-k8s1-node2 <none> <none>
portworx-kvdb-94bpk 1/1 Running 0 4s 192.168.121.196 username-k8s1-node0 <none> <none>
portworx-kvdb-8b67l 1/1 Running 0 10s 192.168.121.196 username-k8s1-node1 <none> <none>
portworx-kvdb-fj72p 1/1 Running 0 30s 192.168.121.196 username-k8s1-node2 <none> <none>
portworx-operator-58967ddd6d-kmz6c 1/1 Running 0 4m1s 10.244.1.99 username-k8s1-node0 <none> <none>
prometheus-px-prometheus-0 2/2 Running 0 2m41s 10.244.1.105 username-k8s1-node0 <none> <none>
px-cluster-xxxxxxxx-xxxx-xxxx-xxxx-3e9bf3cd834d-9gs79 2/2 Running 0 2m55s 192.168.121.196 username-k8s1-node0 <none> <none>
px-cluster-xxxxxxxx-xxxx-xxxx-xxxx-3e9bf3cd834d-vpptx 2/2 Running 0 2m55s 192.168.121.99 username-k8s1-node1 <none> <none>
px-cluster-xxxxxxxx-xxxx-xxxx-xxxx-3e9bf3cd834d-bxmpn 2/2 Running 0 2m55s 192.168.121.191 username-k8s1-node2 <none> <none>
px-csi-ext-868fcb9fc6-54bmc 4/4 Running 0 3m5s 10.244.1.103 username-k8s1-node0 <none> <none>
px-csi-ext-868fcb9fc6-8tk79 4/4 Running 0 3m5s 10.244.1.102 username-k8s1-node2 <none> <none>
px-csi-ext-868fcb9fc6-vbqzk 4/4 Running 0 3m5s 10.244.3.107 username-k8s1-node1 <none> <none>
px-prometheus-operator-59b98b5897-9nwfv 1/1 Running 0 3m3s 10.244.1.104 username-k8s1-node0 <none> <none>

Note the name of one of your px-cluster pods. You'll run pxctl commands from these pods in following steps.

Verify Portworx cluster status

You can find the status of the Portworx cluster by running pxctl status commands from a pod. Enter the following kubectl exec command, specifying the pod name you retrieved in the previous section:

kubectl exec <pod-name> -n <px-namespace> -- /opt/pwx/bin/pxctl status
Defaulted container "portworx" out of: portworx, csi-node-driver-registrar
Status: PX is operational
Telemetry: Disabled or Unhealthy
Metering: Disabled or Unhealthy
License: Trial (expires in 31 days)
Node ID: xxxxxxxx-xxxx-xxxx-xxxx-70c31d0f478e
IP: 192.168.121.99
Local Storage Pool: 1 pool
POOL IO_PRIORITY RAID_LEVEL USABLE USED STATUS ZONE REGION
0 HIGH raid0 3.0 TiB 10 GiB Online default default
Local Storage Devices: 3 devices
Device Path Media Type Size Last-Scan
0:1 /dev/vdb STORAGE_MEDIUM_MAGNETIC 1.0 TiB 14 Jul 22 22:03 UTC
0:2 /dev/vdc STORAGE_MEDIUM_MAGNETIC 1.0 TiB 14 Jul 22 22:03 UTC
0:3 /dev/vdd STORAGE_MEDIUM_MAGNETIC 1.0 TiB 14 Jul 22 22:03 UTC
* Internal kvdb on this node is sharing this storage device /dev/vdc to store its data.
total - 3.0 TiB
Cache Devices:
* No cache devices
Cluster Summary
Cluster ID: px-cluster-xxxxxxxx-xxxx-xxxx-xxxx-3e9bf3cd834d
Cluster UUID: xxxxxxxx-xxxx-xxxx-xxxx-6f3fd5522eae
Scheduler: kubernetes
Nodes: 3 node(s) with storage (3 online)
IP ID SchedulerNodeName Auth StorageNode Used Capacity Status StorageStatus Version Kernel OS
192.168.121.196 xxxxxxxx-xxxx-xxxx-xxxx-fad8c65b8edc username-k8s1-node0 Disabled Yes 10 GiB 3.0 TiB Online Up 2.11.0-81faacc 3.10.0-1127.el7.x86_64 CentOS Linux 7 (Core)
192.168.121.99 xxxxxxxx-xxxx-xxxx-xxxx-70c31d0f478e username-k8s1-node1 Disabled Yes 10 GiB 3.0 TiB Online Up (This node) 2.11.0-81faacc 3.10.0-1127.el7.x86_64 CentOS Linux 7 (Core)
192.168.121.191 xxxxxxxx-xxxx-xxxx-xxxx-19d45b4c541a username-k8s1-node2 Disabled Yes 10 GiB 3.0 TiB Online Up 2.11.0-81faacc 3.10.0-1127.el7.x86_64 CentOS Linux 7 (Core)
Global Storage Pool
Total Used : 30 GiB
Total Capacity : 9.0 TiB

The Portworx status will display PX is operational if your cluster is running as intended.

Verify pxctl cluster provision status

  • Find the storage cluster, the status should show as Online:

    kubectl -n <px-namespace> get storagecluster
    NAME                                              CLUSTER UUID                           STATUS   VERSION   AGE
    px-cluster-xxxxxxxx-xxxx-xxxx-xxxx-3e9bf3cd834d xxxxxxxx-xxxx-xxxx-xxxx-6f3fd5522eae Online 2.11.0 10m
  • Find the storage nodes, the statuses should show as Online:

    kubectl -n <px-namespace> get storagenodes
    NAME                  ID                                     STATUS   VERSION          AGE
    username-k8s1-node0 xxxxxxxx-xxxx-xxxx-xxxx-fad8c65b8edc Online 2.11.0-81faacc 11m
    username-k8s1-node1 xxxxxxxx-xxxx-xxxx-xxxx-70c31d0f478e Online 2.11.0-81faacc 11m
    username-k8s1-node2 xxxxxxxx-xxxx-xxxx-xxxx-19d45b4c541a Online 2.11.0-81faacc 11m
  • Verify the Portworx cluster provision status. Enter the following kubectl exec command, specifying the pod name you retrieved in the previous section:

    kubectl exec <pod-name> -n <px-namespace> -- /opt/pwx/bin/pxctl cluster provision-status
    Defaulted container "portworx" out of: portworx, csi-node-driver-registrar
    NODE NODE STATUS POOL POOL STATUS IO_PRIORITY SIZE AVAILABLE USED PROVISIONED ZONE REGION RACK
    xxxxxxxx-xxxx-xxxx-xxxx-70c31d0f478e Up 0 ( xxxxxxxx-xxxx-xxxx-xxxx-4d74ecc7e159 ) Online HIGH 3.0 TiB 3.0 TiB 10 GiB 0 B default default default
    xxxxxxxx-xxxx-xxxx-xxxx-fad8c65b8edc Up 0 ( xxxxxxxx-xxxx-xxxx-xxxx-97e4359e57c0 ) Online HIGH 3.0 TiB 3.0 TiB 10 GiB 0 B default default default
    xxxxxxxx-xxxx-xxxx-xxxx-19d45b4c541a Up 0 ( xxxxxxxx-xxxx-xxxx-xxxx-8904cab0e019 ) Online HIGH 3.0 TiB 3.0 TiB 10 GiB 0 B default default default

Create your first PVC

For your apps to use persistent volumes powered by Portworx, you must use a StorageClass that references Portworx as the provisioner. Portworx includes a number of default StorageClasses, which you can reference with PersistentVolumeClaims (PVCs) you create. For a more general overview of how storage works within Kubernetes, refer to the Persistent Volumes section of the Kubernetes documentation.

Perform the following steps to create a PVC:

  1. Create a PVC referencing the px-csi-db default StorageClass and save the file:

    kind: PersistentVolumeClaim
    apiVersion: v1
    metadata:
    name: px-check-pvc
    spec:
    storageClassName: px-csi-db
    accessModes:
    - ReadWriteOnce
    resources:
    requests:
    storage: 2Gi
  2. Run the kubectl apply command to create a PVC:

    kubectl apply -f <your-pvc-name>.yaml
    persistentvolumeclaim/px-check-pvc created

Verify your StorageClass and PVC

  1. Enter the kubectl get storageclass command:

    kubectl get storageclass
    NAME                                 PROVISIONER                     RECLAIMPOLICY   VOLUMEBINDINGMODE   ALLOWVOLUMEEXPANSION   AGE
    px-csi-db pxd.portworx.com Delete Immediate true 43d
    px-csi-db-cloud-snapshot pxd.portworx.com Delete Immediate true 43d
    px-csi-db-cloud-snapshot-encrypted pxd.portworx.com Delete Immediate true 43d
    px-csi-db-encrypted pxd.portworx.com Delete Immediate true 43d
    px-csi-db-local-snapshot pxd.portworx.com Delete Immediate true 43d
    px-csi-db-local-snapshot-encrypted pxd.portworx.com Delete Immediate true 43d
    px-csi-replicated pxd.portworx.com Delete Immediate true 43d
    px-csi-replicated-encrypted pxd.portworx.com Delete Immediate true 43d
    px-db kubernetes.io/portworx-volume Delete Immediate true 43d
    px-db-cloud-snapshot kubernetes.io/portworx-volume Delete Immediate true 43d
    px-db-cloud-snapshot-encrypted kubernetes.io/portworx-volume Delete Immediate true 43d
    px-db-encrypted kubernetes.io/portworx-volume Delete Immediate true 43d
    px-db-local-snapshot kubernetes.io/portworx-volume Delete Immediate true 43d
    px-db-local-snapshot-encrypted kubernetes.io/portworx-volume Delete Immediate true 43d
    px-replicated kubernetes.io/portworx-volume Delete Immediate true 43d
    px-replicated-encrypted kubernetes.io/portworx-volume Delete Immediate true 43d
    stork-snapshot-sc stork-snapshot Delete Immediate true 43d

    kubectl returns details about the StorageClasses available to you. Verify that px-csi-db appears in the list.

  2. Enter the kubectl get pvc command. If this is the only StorageClass and PVC that you've created, you should see only one entry in the output:

    kubectl get pvc <your-pvc-name>
    NAME          STATUS   VOLUME                                     CAPACITY   ACCESS MODES   STORAGECLASS           AGE
    px-check-pvc Bound pvc-xxxxxxxx-xxxx-xxxx-xxxx-2377767c8ce0 2Gi RWO example-storageclass 3m7s

    kubectl returns details about your PVC if it was created correctly. Verify that the configuration details appear as you intended.

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