From 87412eb5b54a09f743661b0ab877fd93dac6e2ca Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Timoth=C3=A9e=20Dzik?= <timdzik@fb.com>
Date: Mon, 5 Aug 2019 09:36:01 -0700
Subject: [PATCH] Build ovs through a bash script

Summary: Build ovs through a bash script

Reviewed By: amarpad

Differential Revision: D16648149

fbshipit-source-id: 2b36cf4bd2926faebf44d691fa34cedfcb5edf43
---
 lte/gateway/release/build-ovs.sh | 97 ++++++++++++++++++++++++++++++++
 1 file changed, 97 insertions(+)
 create mode 100644 lte/gateway/release/build-ovs.sh

diff --git a/lte/gateway/release/build-ovs.sh b/lte/gateway/release/build-ovs.sh
new file mode 100644
index 000000000000..7ffbbdac1625
--- /dev/null
+++ b/lte/gateway/release/build-ovs.sh
@@ -0,0 +1,97 @@
+#!/bin/bash
+#
+# Copyright (c) 2017-present, Facebook, Inc.
+# All rights reserved.
+#
+# This source code is licensed under the BSD-style license found in the
+# LICENSE file in the root directory of this source tree. An additional grant
+# of patent rights can be found in the PATENTS file in the same directory.
+
+# Generate the debian package from source for OVS
+# Usage:
+#   Run this script from a patched OVS source directory
+#
+# Example output:
+#   libopenvswitch_2.8.0-1_amd64.deb
+#   libopenvswitch-dev_2.8.0-1_amd64.deb
+#   oai-gtp_4.9-6_amd64.deb
+#   openvswitch-common_2.8.0-1_amd64.deb
+#   openvswitch-datapath-dkms_2.8.0-1_all.deb
+#   openvswitch-datapath-module-4.9.0-0.bpo.1-amd64_2.8.0-1_amd64.deb
+#   openvswitch-datapath-source_2.8.0-1_all.deb
+#   openvswitch-dbg_2.8.0-1_amd64.deb
+#   openvswitch-pki_2.8.0-1_all.deb
+#   openvswitch-switch_2.8.0-1_amd64.deb
+#   openvswitch-test_2.8.0-1_all.deb
+#   openvswitch-testcontroller_2.8.0-1_amd64.deb
+#   openvswitch-vtep_2.8.0-1_amd64.deb
+#   ovn-central_2.8.0-1_amd64.deb
+#   ovn-common_2.8.0-1_amd64.deb
+#   ovn-controller-vtep_2.8.0-1_amd64.deb
+#   ovn-docker_2.8.0-1_amd64.deb
+#   ovn-host_2.8.0-1_amd64.deb
+#   python-openvswitch_2.8.0-1_all.deb
+
+# /!\ Note this file is going to move elsewhere It's just temp.
+
+set -e
+WORK_DIR=~/build-ovs
+OVS_VERSION="v2.8.1"
+OVS_VERSION_SHORT="2.8.1"
+MAGMA_ROOT="../../../"
+GTP_PATCH_PATH="${MAGMA_ROOT}/third_party/gtp_ovs"
+# Build time dependencies
+BUILD_DEPS="graphviz debhelper dh-autoreconf python-all python-twisted-conch module-assistant git ruby-dev openssl pkg-config libssl-dev build-essential"
+PATCHES="$(ls ${GTP_PATCH_PATH}/ovs/${OVS_VERSION_SHORT})"
+FLOWBASED_PATH="$(readlink -f ${GTP_PATCH_PATH}/gtp-v4.9-backport)"
+
+# The resulting package is placed in $OUTPUT_DIR
+# or in the cwd.
+if [ -z "$1" ]; then
+  OUTPUT_DIR=$(pwd)
+else
+  OUTPUT_DIR=$1
+  if [ ! -d "$OUTPUT_DIR" ]; then
+    echo "error: $OUTPUT_DIR is not a valid directory. Exiting..."
+    exit 1
+  fi
+fi
+
+# build from source
+if [ -d ${WORK_DIR} ]; then
+  sudo rm -rf ${WORK_DIR}
+fi
+mkdir -p ${WORK_DIR}
+
+# updating apt
+sudo apt-get update
+# install build time dependency
+sudo apt-get install  ${BUILD_DEPS} -y
+# make surew correct linux headers are installed
+sudo apt-get -y install "linux-headers-$(uname -r)"
+# Install fpm
+sudo gem install fpm
+
+# pull code and apply patches
+cd ${WORK_DIR}
+git clone https://github.com/openvswitch/ovs.git
+cd ovs
+git checkout ${OVS_VERSION}
+cp ${GTP_PATCH_PATH}/ovs/${OVS_VERSION_SHORT}/*.patch "${WORK_DIR}/ovs"
+cp -r "${FLOWBASED_PATH}" "${WORK_DIR}/ovs/flow-based-gtp-linux-v4.9"
+git apply ${PATCHES}
+
+./boot.sh
+# Building OVS user packages
+opts="--with-linux=/lib/modules/$(uname -r)/build"
+deb_opts="nocheck parallel=$(nproc)"
+fakeroot make -f debian/rules DATAPATH_CONFIGURE_OPTS="$opts" DEB_BUILD_OPTIONS="$deb_opts" binary
+
+## Building OVS datapath kernel module package
+cd ${WORK_DIR}/ovs
+sudo mkdir -p /usr/src/linux
+kvers=$(uname -r)
+ksrc="/lib/modules/$kvers/build"
+sudo make -f debian/rules.modules KSRC="$ksrc" KVERS="$kvers" binary-modules
+
+cp /usr/src/*.deb ${WORK_DIR}