removed conda extensions

The Anaconda Notebook extensions caused too many issues and most HPC
centers that installed this app disabled them.

Author: Jeremy Nicklas

CHANGELOG.md

@@ -12,6 +12,9 @@ and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.
 ### Fixed
 - Fix job not ending if forked processes still running.
 
+### Removed
+- Removed support for Anaconda Notebook extensions.
+
 ## [1.0.1] - 2018-01-03
 ### Changed
 - Updated date in `LICENSE.txt`.

README.md

@@ -19,10 +19,6 @@ OnDemand node):
 
 **Optional** software:
 
-- [Anaconda](https://www.continuum.io/anaconda-overview) 4.3.13+ and its
-  [Jupyter Notebook extensions](https://docs.continuum.io/anaconda/user-guide/tasks/use-jupyter-notebook-extensions)
-  that allow users to define custom environment-based kernels from within the
-  Jupyter notebook dashboard.
 - [Lmod](https://www.tacc.utexas.edu/research-development/tacc-projects/lmod)
   6.0.1+ or any other `module purge` and `module load <modules>` based CLI
   used to load appropriate environments within the batch job before launching

form.yml

@@ -27,18 +27,6 @@ attributes:
   #     modules: "python/3.5 cuda/8.0.44"
   modules: "python"
 
-  # Whether Conda extensions will be available within the Jupyter notebook
-  # server
-  #
-  # @note Allows the user to use conda environment-based kernels from their
-  #   Jupyter notebook dashboard
-  # @example Do NOT allow Conda extensions to be used
-  #   conda_extensions: "0"
-  # @example Do allow Conda extensions to be used
-  #   conda_extensions: "1"
-  # @see https://docs.continuum.io/anaconda/user-guide/tasks/use-jupyter-notebook-extensions
-  conda_extensions: "1"
-
   # Any extra command line arguments to feed to the `jupyter notebook ...`
   # command that launches the Jupyter notebook within the batch job
   extra_jupyter_args: ""
@@ -54,7 +42,6 @@ attributes:
 #   Dashboard
 form:
   - modules
-  - conda_extensions
   - extra_jupyter_args
   - bc_account
   - bc_queue

template/before.sh.erb

@@ -54,13 +54,5 @@ c.NotebookApp.open_browser = False
 c.NotebookApp.allow_origin = '*'
 c.NotebookApp.notebook_dir = '${HOME}'
 c.NotebookApp.disable_check_xsrf = True
-<%- if context.conda_extensions == "1" -%>
-c.NotebookApp.kernel_spec_manager_class = "nb_conda_kernels.CondaKernelSpecManager"
-c.NotebookApp.nbserver_extensions = {
-  "nb_conda": True,
-  "nb_anacondacloud": True,
-  "nbpresent": True
-}
-<%- end -%>
 EOL
 )