Files
kata-containers/rootfs-builder/euleros/rootfs_lib.sh
Jose Carlos Venegas Munoz 612754fd20 rootfs: Add support to create dockerfiles based on templates
To simplify maintaince, create dockerfiles based on templates.

This way when golang version is updated it will be done in one place
versions.txt.

This also allow to allways intall the same version of golang in any
dockerfile.

Signed-off-by: Jose Carlos Venegas Munoz <jose.carlos.venegas.munoz@intel.com>
2018-01-25 09:02:51 -06:00

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#!/bin/bash
#
# Copyright (c) 2018 Huawei Technologies Co., Ltd
#
# SPDX-License-Identifier: Apache-2.0
check_program(){
type "$1" >/dev/null 2>&1
}
check_root()
{
if [ "$(id -u)" != "0" ]; then
echo "Root is needed"
exit 1
fi
}
generate_yum_config()
{
cat > "${DNF_CONF}" << EOF
[main]
cachedir=/var/cache/euleros-osbuilder
keepcache=0
debuglevel=2
logfile=/var/log/yum-euleros.log
exactarch=1
[Base]
name=EulerOS-${OS_VERSION} Base
baseurl=http://developer.huawei.com/ict/site-euleros/euleros/repo/yum/${OS_VERSION}/os/x86_64/
enabled=1
gpgcheck=1
gpgkey=file://${CONFIG_DIR}/RPM-GPG-KEY-EulerOS
EOF
}
# - Arguments
# rootfs_dir=$1
#
# - Optional environment variables
#
# EXTRA_PKGS: Variable to add extra PKGS provided by the user
#
# BIN_AGENT: Name of the Kata-Agent binary
#
# REPO_URL: URL to distribution repository ( should be configured in
# config.sh file)
#
# Any other configuration variable for a specific distro must be added
# and documented on its own config.sh
#
# - Expected result
#
# rootfs_dir populated with rootfs pkgs
# It must provide a binary in /sbin/init
build_rootfs() {
# Mandatory
local ROOTFS_DIR=$1
#Name of the Kata-Agent binary
local BIN_AGENT=${BIN_AGENT}
# In case of support EXTRA packages, use it to allow
# users add more packages to the base rootfs
local EXTRA_PKGS=${EXTRA_PKGS:-}
#In case rootfs is created usign repositories allow user to modify
# the default URL
local REPO_URL=${REPO_URL:-http://developer.huawei.com/ict/site-euleros/euleros/repo/yum/2.2}
#PATH where files this script is placed
#Use it to refer to files in the same directory
#Exmaple: ${CONFIG_DIR}/foo
local CONFIG_DIR=${CONFIG_DIR}
# Populate ROOTFS_DIR
# Must provide /sbin/init and /bin/${BIN_AGENT}
check_root
if [ ! -f "{DNF_CONF}" ]; then
DNF_CONF="./kata-euleros-yum.repo"
generate_yum_config
fi
mkdir -p "${ROOTFS_DIR}"
if [ -n "${PKG_MANAGER}" ]; then
info "DNF path provided by user: ${PKG_MANAGER}"
elif check_program "yum" ; then
PKG_MANAGER="yum"
else
die "yum is not installed"
fi
info "Using : ${PKG_MANAGER} to pull packages from ${REPO_URL}"
DNF="${PKG_MANAGER} --config=$DNF_CONF -y --installroot=${ROOTFS_DIR} --noplugins"
$DNF install ${EXTRA_PKGS} ${PACKAGES}
[ -n "${ROOTFS_DIR}" ] && rm -r "${ROOTFS_DIR}/var/cache/euleros-osbuilder"
}