[Compass-ci] Re: [PATCH v4 compass-ci] feat: build centos-7 initramfs image with one command

On Mon, Oct 12, 2020 at 09:49:03AM +0800, Wang Chenglong wrote:

Use the tool to create a new centos-7 initramfs image with one command. and we also can customize the pre-installed software by configuring ./bin/install-list.

---

container/osimage/centos-7/README.md | 13 +++++++ container/osimage/centos-7/bin/create-image | 38 +++++++++++++++++++ container/osimage/centos-7/bin/lib | 30 +++++++++++++++ .../osimage/centos-7/bin/packages-to-install | 2 + .../osimage/centos-7/bin/packages-to-remove | 8 ++++ container/osimage/centos-7/build | 29 ++++++++++++++ 6 files changed, 120 insertions(+) create mode 100644 container/osimage/centos-7/README.md create mode 100755 container/osimage/centos-7/bin/create-image create mode 100755 container/osimage/centos-7/bin/lib create mode 100644 container/osimage/centos-7/bin/packages-to-install create mode 100644 container/osimage/centos-7/bin/packages-to-remove create mode 100755 container/osimage/centos-7/build

diff --git a/container/osimage/centos-7/README.md b/container/osimage/centos-7/README.md new file mode 100644 index 0000000..d1a0317 --- /dev/null +++ b/container/osimage/centos-7/README.md @@ -0,0 +1,13 @@ +# Use the tool to create a new centos-7 initramfs image.

+Usage:

• cd ${CCI_SRC/rootfs/initramfs/centos/aarch64/7}
• ./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

diff --git a/container/osimage/centos-7/bin/create-image b/container/osimage/centos-7/bin/create-image new file mode 100755 index 0000000..214204f --- /dev/null +++ b/container/osimage/centos-7/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-7/bin/lib b/container/osimage/centos-7/bin/lib new file mode 100755 index 0000000..c3c470f --- /dev/null +++ b/container/osimage/centos-7/bin/lib @@ -0,0 +1,30 @@ +#!/bin/bash +# SPDX-License-Identifier: MulanPSL-2.0+ +# Copyright (c) 2020 Huawei Technologies Co., Ltd. All rights reserved.

+DIR="$(basename $(dirname $(realpath $0)))" +name="$(echo $DIR |awk -F "-" '{print $1}')" +version="$(echo $DIR |awk -F "-" '{print $2}')" +image="${name}:${version}" +image_name="${name}-${version}-$(date +"%Y%m%d").cgz"

+# Check password file

useless comment.

+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()

rename pull_docker_image and delete the comment. Thanks, Xueliang

+{

• docker pull $image || return
• echo "finish downloading image"

+}

diff --git a/container/osimage/centos-7/bin/packages-to-install b/container/osimage/centos-7/bin/packages-to-install new file mode 100644 index 0000000..5d31c40 --- /dev/null +++ b/container/osimage/centos-7/bin/packages-to-install @@ -0,0 +1,2 @@ +openssh-server +openssl diff --git a/container/osimage/centos-7/bin/packages-to-remove b/container/osimage/centos-7/bin/packages-to-remove new file mode 100644 index 0000000..ce079b9 --- /dev/null +++ b/container/osimage/centos-7/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-7/build b/container/osimage/centos-7/build new file mode 100755 index 0000000..5e46306 --- /dev/null +++ b/container/osimage/centos-7/build @@ -0,0 +1,29 @@ +#!/bin/bash +# SPDX-License-Identifier: MulanPSL-2.0+ +# Copyright (c) 2020 Huawei Technologies Co., Ltd. All rights reserved.

+. ${CCI_SRC}/container/osimage/centos-7/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

+docker_rm init_docker +${cmd[@]}

+docker cp -a init_docker:/${image_name} ./ +echo "build finished!!!"

-- 2.23.0