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Rackspace Heat template to deploy a single server with IPython Notebook leveraging chef-solo

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Circle CI Description

Single Linux server with IPython Notebook 3.2.0 installed.

Requirements

  • A Heat provider that supports the Rackspace OS::Heat::ChefSolo plugin.
  • An OpenStack username, password, and tenant id.
  • python-heatclient >= v0.2.8:
pip install python-heatclient

We recommend installing the client within a Python virtual environment.

Example Usage

Here is an example of how to deploy this template using the python-heatclient:

heat --os-username <OS-USERNAME> --os-password <OS-PASSWORD> --os-tenant-id \
  <TENANT-ID> --os-auth-url https://identity.api.rackspacecloud.com/v2.0/ \
  stack-create IPython-Notebook -f ipynb.yaml \
  -P ssh_keypair_name=ipynb
  • For UK customers, use https://lon.identity.api.rackspacecloud.com/v2.0/ as the --os-auth-url.

Optionally, set environmental variables to avoid needing to provide these values every time a call is made:

export OS_USERNAME=<USERNAME>
export OS_PASSWORD=<PASSWORD>
export OS_TENANT_ID=<TENANT-ID>
export OS_AUTH_URL=<AUTH-URL>

Parameters

Parameters can be replaced with your own values when standing up a stack. Use the -P flag to specify a custom parameter.

  • server_hostname: Sets the hostname of the server. (Default: ipynb)
  • image: Operating system to install (Default: Ubuntu 14.04 LTS (Trusty Tahr))
  • flavor: Cloud server size to use. (Default: 2 GB Performance)
  • ipynb_username: System user to setup the virtual environment with. (Default: ipynb)
  • kitchen: URL for the kitchen to clone with git. The Chef Solo run will copy all files in this repo into the kitchen for the chef run. (Default: https://github.com/rackspace-orchestration-templates/ipynb)
  • chef_version: Chef client version to install for the chef run. (Default: 11.12.4)

Outputs

Once a stack comes online, use heat output-list to see all available outputs. Use heat output-show <OUTPUT NAME> to get the value fo a specific output.

  • private_key: SSH private that can be used to login as root to the server.
  • server_ip: Public IP address of the cloud server
  • ipynb_url: URL to access IPython Notebook
  • ipynb_password: Password for logging in IPython Notebook through the web interface. This value is randomly generated.

For multi-line values, the response will come in an escaped form. To get rid of the escapes, use echo -e '<STRING>' > file.txt. For vim users, a substitution can be done within a file using %s/\\n/\r/g.

Stack Details

This launches an IPython notebook server fully configured with scientific packages and inline matplotlib/pylab.

When the deployment finishes, you can access your deployment by using the IP provided above. Login using the password you specified during deployment. The certificate will give an error as it is self-signed.

Packages installed

By default, the python packages installed include:

  • cython
  • matplotlib
  • networkx
  • nltk
  • numpy
  • pandas
  • patsy
  • pillow
  • pytables
  • scikit-image
  • scikit-learn
  • scipy
  • statsmodels
  • sympy
  • theano
  • xlrd
  • xlwt

Easy mode installation of more packages

If you want more packages installed, simply pip install them from within the IPython notebook:

In[1]: !pip install pkg_name

This will install it within the virtualenv that IPython notebook runs in.

Hard mode installation

Alternatively, you can ssh to the box, change user to ipynb, source the virtualenv (source ~/.ipyvirt/bin/activate) and do a pip install.

(.ipyvirt)$ pip install pkg_name

If other system dependencies are needed, you will need to SSH to the box and install the system packages (or ask us for help).

Contributing

There are substantial changes still happening within the OpenStack Heat project. Template contribution guidelines will be drafted in the near future.

License

Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at

    http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.

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Rackspace Heat template to deploy a single server with IPython Notebook leveraging chef-solo

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