initial implementation of docker scripts

docker/Dockerfile

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+FROM hysds/pge-base:latest
+
+# Set an encoding to make things work smoothly.
+ENV LANG en_US.UTF-8
+
+# Set ISCE repo
+#ENV ISCE_ORG isce-framework
+ENV ISCE_ORG pymonger
+ENV ISCE_REPO github.com/${ISCE_ORG}/isce2.git
+
+# set to root user
+USER root
+
+# install tools for RPM generation
+RUN set -ex \
+ && yum update -y \
+ && yum groupinstall -y "development tools" \
+ && yum install -y \
+      make ruby-devel rpm-build rubygems \
+ && gem install --no-ri --no-rdoc fpm
+
+# install isce requirements
+RUN set -ex \
+ && . /opt/conda/bin/activate root \
+ && conda install --yes \
+      cython \
+      gdal \
+      git \
+      h5py \
+      libgdal \
+      pytest \
+      numpy \
+      fftw \
+      scipy \
+      basemap \
+      scons \
+      opencv \
+      hdf4 \
+      hdf5 \
+      netcdf4 \
+      libgcc \
+      libstdcxx-ng \
+      cmake \
+ && yum install -y uuid-devel x11-devel motif-devel jq \
+ && ln -sf /opt/conda/bin/cython /opt/conda/bin/cython3
+
+# copy repo
+COPY . /root/isce2
+
+# build ISCE
+RUN set -ex \
+ && . /opt/conda/bin/activate root \
+ && cd /root \
+ && source isce2/docker/build_env.sh \
+ && mkdir -p $BUILD_DIR \
+ && cp isce2/docker/SConfigISCE isce2/configuration/ \
+ && cd isce2 \
+ && scons install \
+ && cp docker/isce_env.sh $ISCE_INSTALL_ROOT \
+ && mkdir -p rpm-build/opt \
+ && mv $ISCE_INSTALL_ROOT rpm-build/opt \
+ && curl -s https://api.github.com/repos/pymonger/isce2/git/refs/heads/master \
+    > rpm-build/opt/isce2/version.json \
+ && hash=$(cat rpm-build/opt/isce2/version.json | jq -r .object.sha) \
+ && short_hash=$(echo $hash | cut -c1-5) \
+ && fpm -s dir -t rpm -C rpm-build --name isce \
+      --prefix=/ --version=2.0 --provides=isce \
+      --maintainer=piyush.agram@jpl.nasa.gov \
+      --description="InSAR Scientific Computing Environment v2 (${hash})"
+
+FROM hysds/pge-base:latest
+
+# Set an encoding to make things work smoothly.
+ENV LANG en_US.UTF-8
+
+# install ISCE from RPM
+COPY --from=0 /root/isce2/isce-2.0-1.x86_64.rpm /tmp/isce-2.0-1.x86_64.rpm
+
+# install isce and its minimal requirements
+RUN set -ex \
+ && sudo /opt/conda/bin/conda install --yes \
+      gdal \
+      h5py \
+      libgdal \
+      pytest \
+      numpy \
+      fftw \
+      scipy \
+      basemap \
+      opencv \
+      hdf4 \
+      hdf5 \
+      netcdf4 \
+ && sudo yum update -y \
+ && sudo yum install -y uuid-devel x11-devel motif-devel \
+ && sudo yum install -y /tmp/isce-2.0-1.x86_64.rpm \
+ && sudo yum clean all \
+ && sudo rm -rf /var/cache/yum \
+ && sudo rm /tmp/isce-2.0-1.x86_64.rpm

docker/README.md

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+# ISCE in docker
+
+## Build
+
+1. Clone repo:
+   ```
+   git clone https://github.com/isce-framework/isce2.git
+   ```
+1. Change directory:
+   ```
+   cd isce2
+   ```
+1. Build image:
+   ```
+   docker build --rm --force-rm -t hysds/isce_giant -f docker/Dockerfile .
+   ```

docker/SConfigISCE

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+# The directory in which ISCE will be built
+PRJ_SCONS_BUILD = $ISCE_BUILD_ROOT/isce2
+
+# The directory into which ISCE will be installed
+PRJ_SCONS_INSTALL = $ISCE_INSTALL_ROOT/isce
+
+# The location of libraries, such as libstdc++, libfftw3 (for most system
+# it's /usr/lib and/or /usr/local/lib/ and/or /opt/local/lib)
+LIBPATH = /usr/lib64 /usr/lib /opt/conda/lib
+
+# The location of Python.h. If you have multiple installations of python
+# make sure that it points to the right one
+CPPPATH = /opt/conda/include/python3.7m /opt/conda/lib/python3.7/site-packages/numpy/core/include /opt/conda/include /usr/include
+
+# The location of the fftw3.h (most likely something like /usr/include or
+# /usr/local/include /opt/local/include
+FORTRANPATH =  /usr/include /opt/conda/include
+
+# The location of your Fortran compiler. If not specified it will use the system one
+FORTRAN = /bin/gfortran
+
+# The location of your C compiler. If not specified it will use the system one
+CC = /bin/gcc
+
+# The location of your C++ compiler. If not specified it will use the system one
+CXX = /bin/g++
+
+#libraries needed for mdx display utility
+MOTIFLIBPATH = /usr/lib64       # path to libXm.dylib
+X11LIBPATH = /usr/lib64         # path to libXt.dylib
+MOTIFINCPATH = /usr/include     # path to location of the Xm
+                                # directory with various include files (.h)
+X11INCPATH = /usr/include       # path to location of the X11 directory
+                                # with various include files
+
+# list of paths to search for shared libraries when running programs
+RPATH = /opt/conda/lib /usr/lib64 /usr/lib
+
+# additional linker flags
+LINKFLAGS = -luuid
+
+#Explicitly enable cuda if needed
+ENABLE_CUDA = True
+#CUDA_TOOLKIT_PATH = $YOUR_CUDA_INSTALLATION  #/usr/local/cuda

docker/build_env.sh

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+export BUILD_DIR=/root/build-isce
+export ISCE_SRC=$HOME/isce2
+export SCONS_CONFIG_DIR=$ISCE_SRC/configuration
+export ISCE_BUILD_ROOT=$BUILD_DIR/build
+export ISCE_INSTALL_ROOT=/opt/isce2

docker/isce_env.sh

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+export PYTHONPATH=/opt/isce2:$PYTHONPATH
+export ISCE_HOME=/opt/isce2/isce
+export PATH=$ISCE_HOME/applications:$ISCE_HOME/bin:/opt/conda/bin:$PATH
+export LD_LIBRARY_PATH=/opt/conda/lib:$LD_LIBRARY_PATH
+export GDAL_DATA=/opt/conda/share/gdal