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JupyterHub - Autodeployment for Cluster/Cloud Notebooks

JupyterHub, a multi-user server, manages and proxies multiple instances of the single-user IPython Jupyter notebook server. This extension allows a JupyterHub front-end to spawn the JupyterNotebooks into cloud computing infrastructure.

AWS Auto Deploy Setup Steps

Change into the autoaws folder

cd autoaws

0. Optional : Create AWS Access Keys

  • Open Amazon AWS "Your Security Credentials"
  • Click "Create New Access Key"
  • Store Credentials in a home directory, ~/.aws/credentials
[default]
aws_access_key_id = <your_access_key_id>
aws_secret_access_key = <your_secret_access_key>

1. Create the Kubernetes Cluster

autoaws$ python3 run.py <cluster_name>
  • NOTE: Wait patiently!

OUTPUT

Success! Created cluster.yaml

Next steps:
1. (Optional) Edit cluster.yaml to parameterize the cluster.
2. Use the "kube-aws render" command to render the stack template.
Success! Stack rendered to stack-template.json.

Next steps:
1. (Optional) Validate your changes to cluster.yaml with "kube-aws validate"
2. (Optional) Further customize the cluster by modifying stack-template.json or files in ./userdata.
3. Start the cluster with "kube-aws up".
Creating AWS resources. This should take around 5 minutes.
Success! Your AWS resources have been created:
Cluster Name:	<cluster_name>
Controller IP:	52.70.194.118

The containers that power your cluster are now being dowloaded.

You should be able to access the Kubernetes API once the containers finish downloading.
Cluster Name:	<cluster_name>
Controller IP:	52.70.194.118

NOTE: You can see your running instances using the AWS Dashboard, EC2 instances, Running Instances

2. Add an entry to /etc/hosts

autoaws$ sudo sed -i '$s/$/\n52.70.194.118 <cluster_name>.omgwtf.in/' /etc/hosts

3. Kubectl "install":

For Linux:

wget https://storage.googleapis.com/kubernetes-release/release/v1.2.4/bin/linux/amd64/kubectl

For OS X:

wget https://storage.googleapis.com/kubernetes-release/release/v1.2.4/bin/darwin/amd64/kubectl

Copy kubectl to your path

autoaws$ chmod +x kubectl
autoaws$ sudo mv kubectl /usr/local/bin/

4. Kubectl to Standup Cluster:

autoaws$ kubectl --kubeconfig=<cluster_name>/kubeconfig get nodes
NAME                        LABELS                                                                                                                                                                                             STATUS
ip-10-0-0-50.ec2.internal   kubernetes.io/hostname=ip-10-0-0-50.ec2.internal                                                                                                                                                   Ready,SchedulingDisabled
ip-10-0-0-64.ec2.internal   beta.kubernetes.io/instance-type=m3.medium,failure-domain.beta.kubernetes.io/region=us-east-1,failure-domain.beta.kubernetes.io/zone=us-east-1c,kubernetes.io/hostname=ip-10-0-0-64.ec2.internal   Ready

JupyterHub Setup in AWS

1. Create the Hub Install into the EC2 instances

hub$ kubectl --kubeconfig=../autoaws/mudsa/kubeconfig create -f hub.yaml
hub$ kubectl --kubeconfig=../autoaws/mudsa/kubeconfig create -f config.yaml

2. Download Pods

hub$ kubectl --kubeconfig=../autoaws/mudsa/kubeconfig --namespace=jupyter get pods 
NAME        READY     STATUS    RESTARTS   AGE
hub-vi9xy   1/1       Running   0          1m

2. View Services

hub$ kubectl --kubeconfig=../autoaws/mudsa/kubeconfig --namespace=jupyter get svc
NAME         CLUSTER-IP   EXTERNAL-IP   PORT(S)    AGE
jupyterhub   10.3.0.40                  8000/TCP   13m

  • NOTE: Due to bug in AWS(?) the EXTERNAL-IP is not provided.

  • To find the public endpoint of the elastic load balancer:

    • In AWS Dashboard > EC2 Dashboard > Load Balancers
    • Click on Load Balancer and view description
DNS name: 
a3c48b0dc211311e685a612e85b7665b-1960005297.us-east-1.elb.amazonaws.com (A Record)
  • Copy the name and append the port in the Browser to access JupyterHub
http://a3c48b0dc211311e685a612e85b7665b-1960005297.us-east-1.elb.amazonaws.com:8000/hub/login

TO DESTROY AWS CLUSTER

  1. Log into AWS Dashboard > EC2 Dashboard > Load Balancers
  2. Remove the load balancer
  3. Use the Kubernetes to destroy the AWS cluster
autoaws$ cd <cluster_name>	
autoaws/<cluster_name>$ ../kube-aws destroy
CloudFormation stack is being destroyed. This will take several minutes