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.

Signed-off-by: Wang Chenglong 18509160991@163.com --- container/osimage/centos/README.md | 15 ++++++++ container/osimage/centos/create-image | 37 +++++++++++++++++++ container/osimage/centos/files-to-exclude | 11 ++++++ container/osimage/centos/lib | 38 ++++++++++++++++++++ container/osimage/centos/packages-to-install | 9 +++++ container/osimage/centos/run | 27 ++++++++++++++ 6 files changed, 137 insertions(+) create mode 100644 container/osimage/centos/README.md create mode 100755 container/osimage/centos/create-image create mode 100644 container/osimage/centos/files-to-exclude create mode 100755 container/osimage/centos/lib create mode 100644 container/osimage/centos/packages-to-install 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..88166c8 --- /dev/null +++ b/container/osimage/centos/README.md @@ -0,0 +1,15 @@ +# Use the tool to create a new centos-${os_version} initramfs image. + +Usage: + cd ${CCI_SRC}/rootfs/initramfs/centos/aarch64/${os_version}/ + ./build + +Some configuration items: +./packages-to-install + If you want to pre-install the software, you can write the package names in ./packages-to-install. + +./files-to-exclude + If you want remove some unnecessary files, you can write the names in ./files-to-exclude + +$HOME/.config/compass-ci/rootfs-passwd + Set the password for the image into this file. diff --git a/container/osimage/centos/create-image b/container/osimage/centos/create-image new file mode 100755 index 0000000..61f3e1c --- /dev/null +++ b/container/osimage/centos/create-image @@ -0,0 +1,37 @@ +#!/bin/bash +# SPDX-License-Identifier: MulanPSL-2.0+ +# Copyright (c) 2020 Huawei Technologies Co., Ltd. All rights reserved. + +install_packages() +{ + yum repolist + yum -y install --skip-broken $(</tmp/packages-to-install) + yum clean all +} + +setup_rootfs() +{ + ln -fs /usr/share/zoneinfo/Asia/Shanghai /etc/localtime +} + + +setup_login() { + [ -n "$ROOT_NEW_PASSWD" ] || return + 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" + + sed -i 's/[# ]PermitRootLogin.*/PermitRootLogin yes/' "$ROOTFS_DIR/etc/ssh/sshd_config" +} + +pack_cgz() +{ + echo "Packing package. Please wait." + find / ! -path "/tmp/${image_name}" | grep -vf /tmp/files-to-exclude | cpio -o -Hnewc | gzip -9 > /tmp/${image_name} + chmod 644 /tmp/${image_name} +} + +install_packages +setup_rootfs +setup_login +pack_cgz diff --git a/container/osimage/centos/files-to-exclude b/container/osimage/centos/files-to-exclude new file mode 100644 index 0000000..3854947 --- /dev/null +++ b/container/osimage/centos/files-to-exclude @@ -0,0 +1,11 @@ +/.dockerenv +/lib/modules +/usr/lib/modules +/usr/share/doc +/usr/share/man +/usr/share/info +/usr/share/i18n +/usr/share/locale +/usr/share/terminfo +/tmp/files-to-exclude +/tmp/packages-to-install diff --git a/container/osimage/centos/lib b/container/osimage/centos/lib new file mode 100755 index 0000000..bb6d693 --- /dev/null +++ b/container/osimage/centos/lib @@ -0,0 +1,38 @@ +#!/bin/bash +# SPDX-License-Identifier: MulanPSL-2.0+ +# Copyright (c) 2020 Huawei Technologies Co., Ltd. All rights reserved. + +DIR="$(pwd)" +os_name="$(echo $DIR |awk -F "/" '{print $(NF - 2)}')" +os_version="$(echo $DIR |awk -F "/" '{print $NF}')" +image="${os_name}:${os_version}" +image_name="${os_name}-${os_version}-$(date +"%Y%m%d").cgz" + +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() +{ + docker pull $image + if [ $? = 0 ]; then + echo "finish downloading image" + else + echo "[INFO] Pull docker image failed." + exit + fi +} + +docker_cp_image() +{ + docker cp -a init_docker:/tmp/${image_name} $HOME/ + echo "result: $(ls $HOME/${image_name})" +} diff --git a/container/osimage/centos/packages-to-install b/container/osimage/centos/packages-to-install new file mode 100644 index 0000000..a09bc28 --- /dev/null +++ b/container/osimage/centos/packages-to-install @@ -0,0 +1,9 @@ +openssh-server +openssl +cifs-utils +hostname +curl +iproute +iputils +which +time diff --git a/container/osimage/centos/run b/container/osimage/centos/run new file mode 100755 index 0000000..3851429 --- /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/lib +. ${CCI_SRC}/container/defconfig.sh + +check_passwd_file + +DIR=$(dirname $(realpath $0)) +cmd=( + docker run + --name init_docker + -v $DIR/create-image:/root/bin/create-image + -v $DIR/packages-to-install:/tmp/packages-to-install + -v $DIR/files-to-exclude:/tmp/files-to-exclude + -e ROOT_NEW_PASSWD=$ROOT_NEW_PASSWD + -e image_name=$image_name + $image + /root/bin/create-image +) + +pull_docker_image +${cmd[@]} +docker_cp_image +docker_rm init_docker &> /dev/null +echo "build finished"