CSIT-870 Kubernetes/Ligato integration

[csit.git] / resources / libraries / bash / shell / qemu_utils.sh

diff --git a/resources/libraries/bash/shell/qemu_utils.sh b/resources/libraries/bash/shell/qemu_utils.sh
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+++ b/resources/libraries/bash/shell/qemu_utils.sh
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+#!/bin/bash
+# Copyright (c) 2018 Cisco and/or its affiliates.
+# Licensed 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.
+
+function qemu_utils.qemu_delete {
+    # Deletes the QEMU directory
+    # QEMU install directory
+    qemu_install_dir=$1
+    # QEMU install version
+    qemu_install_ver=$2
+
+    [ -d ${qemu_install_dir}/${qemu_install_ver} ] && \
+        sudo rm -r ${qemu_install_dir}/${qemu_install_ver} && \
+        echo "${qemu_install_dir}/${qemu_install_ver} removed"
+}
+
+function qemu_utils.qemu_install {
+    # Downloads and installs QEMU
+    # QEMU install directory
+    qemu_install_dir=$1
+    # QEMU install version
+    qemu_install_ver=$2
+    # QEMU patch
+    qemu_patch=$3
+    # Force install (if true then remove previous installation; default false)
+    force_install=${4:-false}
+    # QEMU repo URL
+    qemu_package_url="http://download.qemu-project.org/${qemu_install_ver}.tar.xz"
+
+    if [ $force_install ]; then
+        # Cleanup QEMU dir
+        qemu_utils.qemu_delete $qemu_install_dir $qemu_install_ver
+    else
+        # Test if QEMU was installed previously
+        test -d $qemu_install_dir && \
+            { echo "Qemu already installed: $qemu_install_dir"; exit 0; }
+    fi
+
+    tmp_dir=$(mktemp -d) || \
+        { echo "Failed to create temporary working dir"; exit 1; }
+    trap "rm -r ${tmp_dir}" EXIT
+
+    # Download QEMU source code if no local copy exists
+    if [ ! -f /opt/${qemu_install_ver}.tar.xz ]; then
+        sudo wget -e use_proxy=yes -P /opt -q ${qemu_package_url} || \
+            { echo "Failed to download ${qemu_install_ver}"; exit 1; }
+    fi
+    tar --strip-components 1 -xvJf ${tmp_dir}/${qemu_install_ver}.tar.xz -C ${tmp_dir} && \
+        { echo "Failed to exctract ${qemu_install_ver}.tar.xz"; exit 1; }
+
+    cd ${tmp_dir}
+    sudo mkdir -p ${qemu_install_dir} || \
+        { echo "Failed to create ${qemu_install_dir}"; exit 1; }
+
+    # Apply additional patches
+    if [ $qemu_patch ]
+    then
+        chmod +x ${SCRIPT_DIR}/qemu_patches/${qemu_install_ver}/*
+        run-parts --verbose --report  ${SCRIPT_DIR}/qemu_patches/${qemu_install_ver}
+    fi
+
+    # Build
+    sudo ./configure --target-list=x86_64-softmmu --prefix=${qemu_install_dir}/${qemu_install_ver} || \
+        { echo "Failed to configure ${qemu_install_ver}"; exit 1; }
+    sudo make -j`nproc` || \
+        { echo "Failed to compile ${qemu_install_ver}"; exit 1; }
+    sudo make install || \
+        { echo "Failed to install ${qemu_install_ver}"; exit 1; }
+
+    echo "QEMU ${qemu_install_ver} ready"
+}
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