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Merge pull request #112 from parente/fix-python2-path

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Set PYSPARK_PYTHON path in python2 kernelspec
This commit is contained in:
Kyle Kelley
2016-02-03 08:58:18 -06:00
parent 5836ee4641 232d6fc465
commit 55d5ca6be1
4 changed files with 32 additions and 43 deletions
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22
all-spark-notebook/Dockerfile
View File

@@ -6,6 +6,9 @@ MAINTAINER Jupyter Project <jupyter@googlegroups.com>
USER root
# Util to help with kernel spec later
RUN apt-get -y update && apt-get -y install jq
# Spark dependencies
ENV APACHE_SPARK_VERSION 1.5.1
RUN apt-get -y update && \
@@ -90,12 +93,13 @@ RUN conda install --yes \
RUN mkdir -p /opt/conda/share/jupyter/kernels/scala
COPY kernel.json /opt/conda/share/jupyter/kernels/scala/
USER root
# Install Python 2 kernel spec globally to avoid permission problems when NB_UID
# switching at runtime.
RUN $CONDA_DIR/envs/python2/bin/python \
$CONDA_DIR/envs/python2/bin/ipython \
kernelspec install-self
USER jovyan
# Install Python 2 kernel spec into the Python 3 conda environment which
# runs the notebook server
RUN bash -c '. activate python2 && \
python -m ipykernel.kernelspec --prefix=$CONDA_DIR && \
. deactivate'
# Set PYSPARK_HOME in the python2 spec
RUN jq --arg v "$CONDA_DIR/envs/python2/bin/python" \
'.["env"]["PYSPARK_PYTHON"]=$v' \
$CONDA_DIR/share/jupyter/kernels/python2/kernel.json > /tmp/kernel.json && \
mv /tmp/kernel.json $CONDA_DIR/share/jupyter/kernels/python2/kernel.json

15
all-spark-notebook/README.md
View File

@@ -32,7 +32,7 @@ This configuration is nice for using Spark on small, local data.
1. Open a Python 2 or 3 notebook.
2. Create a `SparkContext` configured for local mode.
For example, the first few cells in a Python 3 notebook might read:
For example, the first few cells in a notebook might read:
```python
import pyspark
@@ -43,15 +43,6 @@ rdd = sc.parallelize(range(1000))
rdd.takeSample(False, 5)
```
In a Python 2 notebook, prefix the above with the following code to ensure the local workers use Python 2 as well.
```python
import os
os.environ['PYSPARK_PYTHON'] = 'python2'
# include pyspark cells from above here ...
```
### In a R Notebook
0. Run the container as shown above.
@@ -100,7 +91,7 @@ This configuration allows your compute cluster to scale with your data.
0. Open a Python 2 or 3 notebook.
1. Create a `SparkConf` instance in a new notebook pointing to your Mesos master node (or Zookeeper instance) and Spark binary package location.
2. Create a `SparkContext` using this configuration.
2. Create a `SparkContext` using this configuration.
For example, the first few cells in a Python 3 notebook might read:
@@ -115,7 +106,7 @@ conf = pyspark.SparkConf()
# point to mesos master or zookeeper entry (e.g., zk://10.10.10.10:2181/mesos)
conf.setMaster("mesos://10.10.10.10:5050")
# point to spark binary package in HDFS or on local filesystem on all slave
# nodes (e.g., file:///opt/spark/spark-1.5.1-bin-hadoop2.6.tgz)
# nodes (e.g., file:///opt/spark/spark-1.5.1-bin-hadoop2.6.tgz)
conf.set("spark.executor.uri", "hdfs://10.10.10.10/spark/spark-1.5.1-bin-hadoop2.6.tgz")
# set other options as desired
conf.set("spark.executor.memory", "8g")

23
pyspark-notebook/Dockerfile
View File

@@ -6,6 +6,9 @@ MAINTAINER Jupyter Project <jupyter@googlegroups.com>
USER root
# Util to help with kernel spec later
RUN apt-get -y update && apt-get -y install jq
# Spark dependencies
ENV APACHE_SPARK_VERSION 1.5.1
RUN apt-get -y update && \
@@ -52,13 +55,13 @@ RUN conda create -p $CONDA_DIR/envs/python2 python=2.7 \
pyzmq \
&& conda clean -yt
USER root
# Install Python 2 kernel spec globally to avoid permission problems when NB_UID
# switching at runtime.
RUN $CONDA_DIR/envs/python2/bin/python \
$CONDA_DIR/envs/python2/bin/ipython \
kernelspec install-self
USER jovyan
# Install Python 2 kernel spec into the Python 3 conda environment which
# runs the notebook server
RUN bash -c '. activate python2 && \
python -m ipykernel.kernelspec --prefix=$CONDA_DIR && \
. deactivate'
# Set PYSPARK_HOME in the python2 spec
RUN jq --arg v "$CONDA_DIR/envs/python2/bin/python" \
'.["env"]["PYSPARK_PYTHON"]=$v' \
$CONDA_DIR/share/jupyter/kernels/python2/kernel.json > /tmp/kernel.json && \
mv /tmp/kernel.json $CONDA_DIR/share/jupyter/kernels/python2/kernel.json

15
pyspark-notebook/README.md
View File

@@ -27,7 +27,7 @@ This configuration is nice for using Spark on small, local data.
2. Open a Python 2 or 3 notebook.
3. Create a `SparkContext` configured for local mode.
For example, the first few cells in a Python 3 notebook might read:
For example, the first few cells in the notebook might read:
```python
import pyspark
@@ -38,15 +38,6 @@ rdd = sc.parallelize(range(1000))
rdd.takeSample(False, 5)
```
In a Python 2 notebook, prefix the above with the following code to ensure the local workers use Python 2 as well.
```python
import os
os.environ['PYSPARK_PYTHON'] = 'python2'
# include pyspark cells from above here ...
```
## Connecting to a Spark Cluster on Mesos
This configuration allows your compute cluster to scale with your data.
@@ -58,7 +49,7 @@ This configuration allows your compute cluster to scale with your data.
* NOTE: When using `--net=host`, you must also use the flags `--pid=host -e TINI_SUBREAPER=true`. See https://github.com/jupyter/docker-stacks/issues/64 for details.
4. Open a Python 2 or 3 notebook.
5. Create a `SparkConf` instance in a new notebook pointing to your Mesos master node (or Zookeeper instance) and Spark binary package location.
6. Create a `SparkContext` using this configuration.
6. Create a `SparkContext` using this configuration.
For example, the first few cells in a Python 3 notebook might read:
@@ -73,7 +64,7 @@ conf = pyspark.SparkConf()
# point to mesos master or zookeeper entry (e.g., zk://10.10.10.10:2181/mesos)
conf.setMaster("mesos://10.10.10.10:5050")
# point to spark binary package in HDFS or on local filesystem on all slave
# nodes (e.g., file:///opt/spark/spark-1.5.1-bin-hadoop2.6.tgz)
# nodes (e.g., file:///opt/spark/spark-1.5.1-bin-hadoop2.6.tgz)
conf.set("spark.executor.uri", "hdfs://10.122.193.209/spark/spark-1.5.1-bin-hadoop2.6.tgz")
# set other options as desired
conf.set("spark.executor.memory", "8g")