Moved common parts to scripts for docker builds

ci/docker/Dockerfile.build.arm64

@@ -27,15 +27,16 @@ ENV FC /usr/bin/${CROSS_TRIPLE}-gfortran
 ENV HOSTCC gcc
 ENV TARGET ARMV8
 
-RUN apt update && apt install -y unzip
+WORKDIR /work/deps
 
-WORKDIR /work
+COPY install/ubuntu_arm.sh /work/
+RUN /work/ubuntu_arm.sh
 
-# Build OpenBLAS
-RUN git clone --recursive -b v0.2.20 https://github.com/xianyi/OpenBLAS.git && \
-    cd OpenBLAS && \
-    make -j$(nproc) && \
-    PREFIX=${CROSS_ROOT} make install
+COPY install/install_openblas.sh /work/
+RUN /work/install_openblas.sh
+
+ENV OpenBLAS_HOME=${CROSS_ROOT}
+ENV OpenBLAS_DIR=${CROSS_ROOT}
 
 COPY runtime_functions.sh /work/
 WORKDIR /work/mxnet

ci/docker/Dockerfile.build.armv6

@@ -25,15 +25,16 @@ ENV FC=/usr/bin/${CROSS_TRIPLE}-gfortran
 ENV HOSTCC gcc
 ENV TARGET ARMV6
 
-RUN apt update && apt install -y unzip
-
 WORKDIR /work/deps
 
-# Build OpenBLAS
-RUN git clone --recursive -b v0.2.20 https://github.com/xianyi/OpenBLAS.git && \
-    cd OpenBLAS && \
-    make -j$(nproc) && \
-    make PREFIX=$CROSS_ROOT install
+COPY install/ubuntu_arm.sh /work/
+RUN /work/ubuntu_arm.sh
+
+COPY install/install_openblas.sh /work/
+RUN /work/install_openblas.sh
+
+ENV OpenBLAS_HOME=${CROSS_ROOT}
+ENV OpenBLAS_DIR=${CROSS_ROOT}
 
 COPY runtime_functions.sh /work/
 WORKDIR /work/mxnet

ci/docker/Dockerfile.build.armv7

@@ -25,15 +25,13 @@ ENV HOSTCC gcc
 ENV TARGET ARMV7
 ENV FC /usr/bin/${CROSS_TRIPLE}-gfortran
 
-RUN apt update && apt install -y unzip
-
 WORKDIR /work/deps
 
-# Build OpenBLAS
-RUN git clone --recursive -b v0.2.20 https://github.com/xianyi/OpenBLAS.git && \
-    cd OpenBLAS && \
-    make -j$(nproc) && \
-    make PREFIX=$CROSS_ROOT install
+COPY install/ubuntu_arm.sh /work/
+RUN /work/ubuntu_arm.sh
+
+COPY install/install_openblas.sh /work/
+RUN /work/install_openblas.sh
 
 ENV OpenBLAS_HOME=${CROSS_ROOT}
 ENV OpenBLAS_DIR=${CROSS_ROOT}

ci/docker/Dockerfile.build.jetson

@@ -31,15 +31,16 @@ ENV FC /usr/bin/${CROSS_TRIPLE}-gfortran
 ENV HOSTCC gcc
 ENV TARGET ARMV8
 
-RUN apt update && apt-get install -y unzip
+WORKDIR /work/deps
 
-WORKDIR /work
+COPY install/ubuntu_arm.sh /work/
+RUN /work/ubuntu_arm.sh
 
-# Build OpenBLAS
-RUN git clone --recursive -b v0.2.20 https://github.com/xianyi/OpenBLAS.git && \
-    cd OpenBLAS && \
-    make -j$(nproc) && \
-    PREFIX=${CROSS_ROOT} make install
+COPY install/install_openblas.sh /work/
+RUN /work/install_openblas.sh
+
+ENV OpenBLAS_HOME=${CROSS_ROOT}
+ENV OpenBLAS_DIR=${CROSS_ROOT}
 
 # Setup CUDA build env (including configuring and copying nvcc)
 COPY --from=cudabuilder /usr/local/cuda /usr/local/cuda

ci/docker/install/install_openblas.sh

@@ -0,0 +1,30 @@
+#!/usr/bin/env bash
+
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you 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.
+
+set -ex
+
+git clone --recursive -b v0.2.20 https://github.com/xianyi/OpenBLAS.git
+
+cd OpenBLAS
+make -j$(nproc)
+PREFIX=${CROSS_ROOT} make install
+
+cd ..
+
+rm -rf OpenBLAS

ci/docker/install/ubuntu_arm.sh

@@ -0,0 +1,24 @@
+#!/usr/bin/env bash
+
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you 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.
+
+set -ex
+
+apt update
+apt install -y \
+    unzip