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docs: Create CentOS and RHEL 7 installation guide
Wrote a document explaining how to install Clear Containers 3.0 on a CentOS 7 or RHEL 7 system. Added associated scripts and configuration files (which are lightly modified versions from https://github.com/01org/cc-oci-runtime). Fixes clearcontainers#371. Signed-off-by: James O. D. Hunt <[email protected]>
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# Installing Intel® Clear Containers 3.0 on CentOS and RHEL version 7 | ||
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## Scope | ||
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This document covers installing Intel® Clear Containers on a | ||
[CentOS](https://www.centos.org/) or [Red Hat Enterprise | ||
Linux](https://www.redhat.com/) system. | ||
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## Required Setup | ||
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The installation requires the current user to run sudo without | ||
specifying a password. Verify this with the following commands: | ||
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``` | ||
$ su - | ||
# echo "$some_user ALL=(ALL:ALL) NOPASSWD: ALL" | (EDITOR="tee -a" visudo) | ||
$ exit | ||
``` | ||
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## Installation steps | ||
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1. Ensure the system packages are up-to-date by running the following: | ||
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``` | ||
$ sudo yum -y update | ||
``` | ||
2. Install Git: | ||
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``` | ||
$ sudo yum install -y git | ||
``` | ||
3. Create the installation directory and clone the repository with the following commands: | ||
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``` | ||
$ mkdir -p $HOME/go/src/github/clearcontainers | ||
$ cd $HOME/go/src/github/clearcontainers | ||
$ git clone https://github.com/clearcontainers/runtime | ||
$ cd runtime | ||
``` | ||
4. Run the installation script: | ||
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``` | ||
$ ./installation/centos+rhel-setup.sh | ||
``` | ||
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## Verify the installation was successful | ||
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1. Check the `cc-runtime` version with the following command: | ||
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``` | ||
$ cc-runtime --version | ||
``` | ||
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2. Run an example with the following command: | ||
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``` | ||
$ sudo docker run -ti busybox sh | ||
``` |
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#!/bin/bash | ||
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# This file is part of cc-runtime. | ||
# | ||
# Copyright (C) 2017 Intel Corporation | ||
# | ||
# This program is free software; you can redistribute it and/or | ||
# modify it under the terms of the GNU General Public License | ||
# as published by the Free Software Foundation; either version 2 | ||
# of the License, or (at your option) any later version. | ||
# | ||
# This program is distributed in the hope that it will be useful, | ||
# but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
# GNU General Public License for more details. | ||
# | ||
# You should have received a copy of the GNU General Public License | ||
# along with this program; if not, write to the Free Software | ||
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. | ||
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# Description: This script installs Clear Containers on a | ||
# CentOS 7 or RHEL 7 system. | ||
# | ||
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SCRIPT_PATH=$(dirname "$(readlink -f "$0")") | ||
source "${SCRIPT_PATH}/installation-setup.sh" | ||
source "${SCRIPT_PATH}/../versions.txt" | ||
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# List of packages to install to satisfy build dependencies | ||
pkgs="" | ||
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mnl_dev_pkg="libmnl-devel" | ||
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# general | ||
pkgs+=" zlib-devel" | ||
pkgs+=" gettext-devel" | ||
pkgs+=" libtool-ltdl-devel" | ||
pkgs+=" libtool-ltdl" | ||
pkgs+=" glib2-devel" | ||
pkgs+=" bzip2" | ||
pkgs+=" m4" | ||
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# for yum-config-manager | ||
pkgs+=" yum-utils" | ||
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# runtime dependencies | ||
pkgs+=" libuuid-devel" | ||
pkgs+=" libmnl" | ||
pkgs+=" ${mnl_dev_pkg}" | ||
pkgs+=" libffi-devel" | ||
pkgs+=" pcre-devel" | ||
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# qemu lite dependencies | ||
pkgs+=" libattr-devel" | ||
pkgs+=" libcap-devel" | ||
pkgs+=" libcap-ng-devel" | ||
pkgs+=" pixman-devel" | ||
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pkgs+=" gcc-c++" | ||
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source /etc/os-release | ||
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major_version=$(echo "${VERSION_ID}"|cut -d\. -f1) | ||
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if [ "${os_distribution}" = rhel ] | ||
then | ||
# RHEL doesn't provide "*-devel" packages unless the "Optional RPMS" | ||
# repository is enabled. However, to make life fun, there isn't a | ||
# clean way to determine if that repository is enabled (the output | ||
# format of "yum repolist" seems to change frequently and | ||
# subscription-manager's output isn't designed for easy script | ||
# consumption). | ||
# | ||
# Therefore, the safest approach seems to be to check if a known | ||
# required development package is known to yum(8). If it isn't, the | ||
# user will need to enable the extra repository. | ||
# | ||
# Note that this issue is unique to RHEL: yum on CentOS provides | ||
# access to developemnt packages by default. | ||
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yum info "${mnl_dev_pkg}" >/dev/null 2>&1 | ||
if [ $? -ne 0 ] | ||
then | ||
echo >&2 "ERROR: You must enable the 'optional' repository for '*-devel' packages" | ||
exit 1 | ||
fi | ||
fi | ||
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if [ "${os_distribution}" = centos ] | ||
then | ||
distro="CentOS" | ||
elif [ "${os_distribution}" = rhel ] | ||
then | ||
distro="RHEL" | ||
else | ||
echo >&2 "ERROR: Unrecognised distribution: ${os_distribution}" | ||
echo >&2 "ERROR: This script is designed to work on CentOS and RHEL systems only." | ||
exit 1 | ||
fi | ||
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site="http://download.opensuse.org" | ||
dir="repositories/home:/clearcontainers:/clear-containers-3/${distro}_${major_version}" | ||
repo_file="home:clearcontainers:clear-containers-3.repo" | ||
cc_repo_url="${site}/${dir}/${repo_file}" | ||
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sudo yum -y update | ||
eval sudo yum -y install "${pkgs}" | ||
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sudo yum groupinstall -y 'Development Tools' | ||
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pushd "${deps_dir}" | ||
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# Install pre-requisites for gcc | ||
gmp_file="gmp-${gmp_version}.tar.bz2" | ||
curl -L -O "ftp://gcc.gnu.org/pub/gcc/infrastructure/${gmp_file}" | ||
compile gmp "${gmp_file}" "gmp-${gmp_version}" | ||
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mpfr_file="mpfr-${mpfr_version}.tar.bz2" | ||
curl -L -O "ftp://gcc.gnu.org/pub/gcc/infrastructure/${mpfr_file}" | ||
compile mpfr "${mpfr_file}" "mpfr-${mpfr_version}" | ||
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mpc_file="mpc-${mpc_version}.tar.gz" | ||
curl -L -O "ftp://gcc.gnu.org/pub/gcc/infrastructure/${mpc_file}" | ||
compile mpc "${mpc_file}" "mpc-${mpc_version}" | ||
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# Install glib | ||
glib_setup | ||
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# Install json-glib | ||
json_glib_setup | ||
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# Install gcc | ||
gcc_setup | ||
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# Install qemu-lite | ||
qemu_lite_setup | ||
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popd | ||
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# Install docker | ||
sudo yum-config-manager --add-repo https://download.docker.com/linux/centos/docker-ce.repo | ||
sudo yum -y install docker-ce | ||
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# Install Clear Containers components and their dependencies | ||
sudo yum-config-manager --add-repo "${cc_repo_url}" | ||
sudo yum -y install cc-runtime cc-proxy cc-shim linux-container clear-containers-image | ||
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# Override runtime configuration to use hypervisor from prefix_dir | ||
# rather than the OBS default values. | ||
sudo -E prefix_dir="${prefix_dir}" sed -i -e \ | ||
"s,^path = \"/usr/bin/qemu-system-x86_64\",path = \"${prefix_dir}/bin/qemu-system-x86_64\",g" \ | ||
/etc/clear-containers/configuration.toml | ||
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# Configure CC by default | ||
service_dir="/etc/systemd/system/docker.service.d" | ||
sudo mkdir -p "${service_dir}" | ||
cat <<EOF|sudo tee "${service_dir}/clear-containers.conf" | ||
[Service] | ||
ExecStart= | ||
ExecStart=/usr/bin/dockerd -D --add-runtime cc-runtime=/usr/bin/cc-runtime --default-runtime=cc-runtime | ||
EOF | ||
sudo systemctl daemon-reload | ||
sudo systemctl restart docker | ||
sudo systemctl enable cc-proxy.socket | ||
sudo systemctl start cc-proxy.socket |
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