Use the tool to create a new centos-$version initramfs image with one command. and we also can customize the pre-installed software by configuring ./bin/packages-to-install. --- container/osimage/centos/README.md | 15 +++++++ container/osimage/centos/bin/create-image | 38 +++++++++++++++++ container/osimage/centos/bin/lib | 41 +++++++++++++++++++ .../osimage/centos/bin/packages-to-install | 2 + .../osimage/centos/bin/packages-to-remove | 8 ++++ container/osimage/centos/run | 27 ++++++++++++ 6 files changed, 131 insertions(+) create mode 100644 container/osimage/centos/README.md create mode 100755 container/osimage/centos/bin/create-image create mode 100755 container/osimage/centos/bin/lib create mode 100644 container/osimage/centos/bin/packages-to-install create mode 100644 container/osimage/centos/bin/packages-to-remove create mode 100755 container/osimage/centos/run diff --git a/container/osimage/centos/README.md b/container/osimage/centos/README.md new file mode 100644 index 0000000..000ca05 --- /dev/null +++ b/container/osimage/centos/README.md @@ -0,0 +1,15 @@ +# Use the tool to create a new centos-${version} initramfs image. + +Usage: + cd ${CCI_SRC}/rootfs/initramfs/centos/aarch64/${version}/ + ./build + +Some configuration items: +./bin/packages-to-install + If you want to pre-install the software, you can write the package names in ./bin/packages-to-install. + +./bin/packages-to-remove + If you want remove some unnecessary files, you can write the names in ./bin/packages-to-remove. + +$HOME/.config/compass-ci/rootfs.passwd + Set the password for the image into this file. diff --git a/container/osimage/centos/bin/create-image b/container/osimage/centos/bin/create-image new file mode 100755 index 0000000..214204f --- /dev/null +++ b/container/osimage/centos/bin/create-image @@ -0,0 +1,38 @@ +#!/bin/bash +# SPDX-License-Identifier: MulanPSL-2.0+ +# Copyright (c) 2020 Huawei Technologies Co., Ltd. All rights reserved. + +# Configure rootfs +make_rootfs() +{ + yum repolist + yum -y install --skip-broken $(</root/bin/packages-to-install) + yum clean all + rm -rf $(</root/bin/packages-to-remove) + ln -fs /usr/share/zoneinfo/Asia/Shanghai /etc/localtime + cd /root/modules + zcat modules-5.8.0.1.cgz | cpio -idm +} + +# Config password +pre_config_rootfs() { + [ -n "$ROOT_NEW_PASSWD" ] && { + echo "Changing root password" + passwd_md5=$(openssl passwd -1 "$ROOT_NEW_PASSWD") + sed -i -r "s/^root:[^:]*:(.*)/root:${passwd_md5//\//\\/}:\1/" "$ROOTFS_DIR/etc/shadow" # Change the password in shadow + sed -i 's/[# ]PermitRootLogin.*/PermitRootLogin yes/' "$ROOTFS_DIR/etc/ssh/sshd_config" # Configure ssh service + } +} + +# Pack cgz package +pack_cgz() +{ + echo "Packing package. Please wait." + cd / + find ./ ! -path "./${image_name}" ! -path "./root/modules/modules-5.8.0.1.cgz" | cpio -o -Hnewc | gzip -9 > /${image_name} + chmod 644 /${image_name} +} + +make_rootfs +pre_config_rootfs +pack_cgz diff --git a/container/osimage/centos/bin/lib b/container/osimage/centos/bin/lib new file mode 100755 index 0000000..b4a59e2 --- /dev/null +++ b/container/osimage/centos/bin/lib @@ -0,0 +1,41 @@ +#!/bin/bash +# SPDX-License-Identifier: MulanPSL-2.0+ +# Copyright (c) 2020 Huawei Technologies Co., Ltd. All rights reserved. + +DIR="$(pwd)" +name="$(echo $DIR |awk -F "/" '{print $(NF - 2)}')" +version="$(echo $DIR |awk -F "/" '{print $NF}')" +image="${name}:${version}" +image_name="${name}-${version}-$(date +"%Y%m%d").cgz" + +# Check password file +check_passwd_file() { + root_pwd_file="$HOME/.config/compass-ci/rootfs.passwd" + export ROOT_NEW_PASSWD= + [ -f "$root_pwd_file" ] || { + echo "[INFO] Please set the password file." + echo "$HOME/.config/compass-ci/rootfs.passwd" + exit 1 + } + + export ROOT_NEW_PASSWD=$(cat "$root_pwd_file") +} + +# Pull docker image +pull_docker_image() +{ + docker pull $image + if [ $? = 0 ]; then + echo "finish downloading image" + else + echo "[INFO] Run command in false path ." + exit + fi +} + +# cp image package to host +cp_package() +{ + docker cp -a init_docker:/${image_name} $HOME/ + echo "result: $(ls $HOME/${image_name})" +} diff --git a/container/osimage/centos/bin/packages-to-install b/container/osimage/centos/bin/packages-to-install new file mode 100644 index 0000000..5d31c40 --- /dev/null +++ b/container/osimage/centos/bin/packages-to-install @@ -0,0 +1,2 @@ +openssh-server +openssl diff --git a/container/osimage/centos/bin/packages-to-remove b/container/osimage/centos/bin/packages-to-remove new file mode 100644 index 0000000..ce079b9 --- /dev/null +++ b/container/osimage/centos/bin/packages-to-remove @@ -0,0 +1,8 @@ +/.dockerenv +/lib/modules +/usr/share/doc +/usr/share/man +/usr/share/info +/usr/share/i18n +/usr/share/locale +/usr/share/terminfo diff --git a/container/osimage/centos/run b/container/osimage/centos/run new file mode 100755 index 0000000..47817b9 --- /dev/null +++ b/container/osimage/centos/run @@ -0,0 +1,27 @@ +#!/bin/bash +# SPDX-License-Identifier: MulanPSL-2.0+ +# Copyright (c) 2020 Huawei Technologies Co., Ltd. All rights reserved. + +. ${CCI_SRC}/container/osimage/centos/bin/lib +. ${CCI_SRC}/container/defconfig.sh + +check_passwd_file "$root_pwd_file" + +DIR=$(dirname $(realpath $0)) +cmd=( + docker run + --name init_docker + -v $DIR/bin/:/root/bin + -v /srv/initrd/modules/:/root/modules:ro + -e ROOT_NEW_PASSWD=$ROOT_NEW_PASSWD + -e image_name=$image_name + $image + /root/bin/create-image +) + +pull_docker_image +${cmd[@]} +cp_package +docker_rm init_docker &> /dev/null +echo "build finished" + -- 2.23.0