kubeflow #130

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KubeFlow Bundle

Overview

This bundle deploys KubeFlow to a Juju K8s model. The individual charms that
make up this bundle can be found under charms/.

Deploying

Setup

If you are on macOS or Windows, you will need to use an Ubuntu VM. You
can install multipass and access an Ubuntu VM with these
commands:

multipass launch --name kubeflow --mem 2G
multipass shell kubeflow

Once you have an Ubuntu environment, you'll need to install these snaps
to get started:

sudo snap install juju --classic
sudo snap install juju-wait --classic
sudo snap install juju-helpers --classic

Next, check out this repository locally:

git clone https://github.com/juju-solutions/bundle-kubeflow.git
cd bundle-kubeflow

The below commands will assume you are running them from the bundle-kubeflow
directory.

Then, follow the instructions from one of the subsections below to deploy
Kubeflow to either microk8s or
Charmed Kubernetes.

Setup microk8s

You'll also need to install the microk8s snap:

sudo snap install microk8s --classic

Next, you will need to add yourself to the microk8s group:

sudo usermod -aG microk8s $USER
newgrp microk8s

Finally, you can run these commands to set up microk8s:

python3 scripts/cli.py microk8s setup --controller uk8s
python3 scripts/cli.py deploy-to uk8s

Setup Charmed Kubernetes

You'll also need to install the kubectl snap:

sudo snap install kubectl --classic

You will then need to create an AWS account for juju to use, and then
add the credentials to juju:

$ juju add-credential aws
Enter credential name: kubeflow-test

Using auth-type "access-key".

Enter access-key: <YOUR ACCESS KEY>

Enter secret-key: <YOUR SECRET KEY>

Credential "kubeflow-test" added locally for cloud "aws".

Next, you can run these commands to set up Charmed Kubernetes:

python3 scripts/cli.py ck setup --controller ckkf
python3 scripts/cli.py deploy-to ckkf

Using

Main Dashboard

Most interactions will go through the central dashboard, which is available via
Ambassador at /. The deploy scripts will print out the address you can point
your browser to when they are done deploying.

Argo UI

You can view pipelines from the Pipeline Dashboard available on the central
dashboard, or by going to /argo/.

TensorFlow Jobs

To submit a TensorFlow job to the dashboard, you can run this kubectl
command:

kubectl create -n <NAMESPACE> -f path/to/job/definition.yaml

Where <NAMESPACE> matches the name of the Juju model that you're using,
and path/to/job/definition.yaml should point to a TFJob definition
similar to the mnist.yaml example found here.

TensorFlow Serving

You can submit a model to be served with TensorFlow Serving:

# For a single model
juju deploy cs:~kubeflow-charmers/kubeflow-tf-serving --storage models=storage-class,, --config model=/path/to/base/dir/model-name

# For a model.conf:
juju deploy cs:~kubeflow-charmers/kubeflow-tf-serving --storage models=storage-class,, --config model-conf=/path/to/model.conf

Removing

Kubeflow model

To remove Kubeflow from your Kubernetes cluster, first run this command to
remove Kubeflow itself:

juju destroy-model kubeflow --destroy-storage

If you encounter errors while destroying the model, you can run this command
to force deletion:

juju destroy-model kubeflow --yes --destroy-storage --force

Alternatively, to simply release storage instead of deleting it, run with this
flag:

juju destroy-model kubeflow --release-storage

Kubeflow controller

You can destroy the controller itself with this command:

# For microk8s
juju destroy-controller $(juju show-controller | head -n1 | sed 's/://g') --destroy-storage

Bundle configuration

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