DevStack plugin for installation of container engine
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#!/bin/bash
# Dependencies:
#
# - functions
# stack.sh
# ---------
# - check_crio
# - install_crio
# - configure_crio
# - stop_crio
# Save trace setting
_XTRACE_DOCKER=$(set +o | grep xtrace)
set +o xtrace
# Defaults
# --------
CRIO_ENGINE_SOCKET_FILE=${CRIO_ENGINE_SOCKET_FILE:-/var/run/crio/crio.sock}
# Functions
# ---------
function check_crio {
if is_ubuntu; then
dpkg -l | grep crio-o > /dev/null 2>&1
else
false
# TODO: CentOS/Fedora support.
fi
}
function install_crio {
if [[ -z "$os_PACKAGE" ]]; then
GetOSVersion
fi
local lsb_dist=${os_VENDOR,,}
local dist_version=${os_CODENAME}
local kubic_obs_project_key="2472d6d0d2f66af87aba8da34d64390375060aa4"
local os="x${os_VENDOR}_${os_RELEASE}"
if is_ubuntu; then
apt_get install apt-transport-https ca-certificates \
software-properties-common
sudo apt-key adv --keyserver hkp://keyserver.ubuntu.com:80 \
--recv ${kubic_obs_project_key}
sudo apt-add-repository "deb https://download.opensuse.org/"`
`"repositories/devel:/kubic:/libcontainers:/stable/${os}/ /"
sudo apt-add-repository "deb http://download.opensuse.org/"`
`"repositories/devel:/kubic:/libcontainers:/stable:/cri-o:/"`
`"${CRIO_VERSION}/${os}/ /"
# Installing podman and containerd will get us compatible versions of
# cri-o and runc. And we need podman to manage container images anyway.
apt_get install podman buildah cri-o-runc cri-o
elif is_fedora; then
if [[ "$lsb_dist" = "centos" ]]; then
sudo yum-config-manager \
--add-repo \
https://cbs.centos.org/repos/virt7-container-common-candidate/x86_64/os/
sudo yum-config-manager \
--add-repo \
https://cbs.centos.org/repos/paas7-crio-311-candidate/x86_64/os/
fi
yum_install cri-o podman buildah
fi
}
function configure_crio {
# After an ./unstack it will be stopped. So it is ok if it returns exit-code == 1
sudo systemctl stop crio.service || true
local crio_conf
crio_conf=/etc/crio/crio.conf
# We're wrapping values in \"<val>\" because that's the format cri-o wants.
iniset -sudo ${crio_conf} crio.api listen \"${CRIO_ENGINE_SOCKET_FILE}\"
if [[ "$ENABLE_DEBUG_LOG_LEVEL" == "True" ]]; then
# debug is way too verbose, info will be enough
iniset -sudo ${crio_conf} crio.runtime log_level \"info\"
fi
if is_ubuntu; then
# At least for 18.04 we need to set up /etc/containers/registries.conf
# with some initial content. That's another bug with that PPA.
local registries_conf
registries_conf="/etc/containers/registries.conf"
if [[ ! -f ${registries_conf} ]]; then
sudo mkdir -p `dirname ${registries_conf}`
cat << EOF | sudo tee ${registries_conf}
[registries.search]
registries = ['docker.io']
EOF
fi
elif is_fedora; then
local lsb_dist=${os_VENDOR,,}
if [[ "$lsb_dist" = "centos" ]]; then
# CentOS packages are putting runc binary in different place...
iniset -sudo ${crio_conf} crio.runtime runtime \"/usr/sbin/runc\"
# CentOS version seems to only work with cgroupfs...
iniset -sudo ${crio_conf} crio.runtime cgroup_manager \"cgroupfs\"
fi
fi
sudo systemctl --no-block restart crio.service
}
function stop_crio {
sudo systemctl stop crio.service || true
}
# Restore xtrace
$_XTRACE_DOCKER