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How to Run

Create Alpha Cluster in GKE

  • Install Kops: kubernetes/kops
  • Make sure gcloud is loged in into GCS account.
    • gcloud login
  • Configure default credentials: 
    gcloud auth application-default login
  • Create Cluster: 
    export KOPS_STATE_STORE=gs://appscode-qa/
export PROJECT=ackube
export KOPS_FEATURE_FLAGS=AlphaAllowGCE

# create cluster configuration
kops create cluster stash.k8s.local  \
--zones us-central1-f                \
--state ${KOPS_STATE_STORE}          \
--project=${PROJECT}                 \
--node-count=2                       \
--kubernetes-version=v1.14.6

# crate cluster
kops update cluster stash.k8s.local --yes

Now, wait for few minutes to cluster to be ready.

  • SSH into master node and add --feature-gates=VolumeSnapshotDataSource=true flag: 
    # run as root user
sudo su

# edit kube-apiserver and add: "--feature-gates=VolumeSnapshotDataSource=true" flag
vi /etc/kubernetes/manifests/kube-apiserver.manifest

Install GCP CSI Driver (Alpha)

  • Clone this repo: kubernetes-sigs/gcp-compute-persistent-disk-csi-driver

  • Checkout to v0.5.1 release tag:

    git checkout v0.5.1

  • Setup Necessary Roles:

    export PROJECT=ackube
export GCE_PD_SA_NAME=stash-volumesnapshot-demo
export GCE_PD_SA_DIR=/home/emruz/dev/cred/gcs/

# setup project
./deploy/setup-project.sh

  • Deploy CSI driver

    export GCE_PD_SA_DIR=/home/emruz/dev/cred/gcs
export GCE_PD_DRIVER_VERSION=alpha
./deploy/kubernetes/deploy-driver.sh

  • Verify that driver is running. You should see the flowing 3 pods are running

    $ kubectl get pod | grep csi-gce-pd
csi-gce-pd-controller-0   4/4     Running   1          71s
csi-gce-pd-node-s5mvj     2/2     Running   0          70s
csi-gce-pd-node-wgsmj     2/2     Running   0          70s

Install Stash

export STASH_IMAGE_TAG=support-vs-ft-model_linux_amd64

curl -fsSL https://github.com/stashed/installer/raw/v0.9.0-rc.0/deploy/stash.sh | bash -s -- --docker-registry=appscodeci

Backup

  • Create Storage Class using newly deployed CSI driver.
  • Create VolumeSnapshotClass using same CSI driver.
  • Create Function, Task, RBAC.
  • Deploy StatefulSets. StatefulSets must use same storage class as VolumeSnapshotClass
  • Create BackupConfiguration. Provide StatefulSet's name as shards params in spec.Task.params section.

Make sure image field has been updated in Function spec to point the image with latest change.