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distro.bash
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distro.bash
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# shellcheck disable=SC2120
GO_URLDIR=https://golang.org/dl
GO_VERSION=1.16.8
GOLANG_URL=$GO_URLDIR/go$GO_VERSION.linux-amd64.tar.gz
###########################################################################
#
# distro-agnostic interface
#
# To add a new distro implement distro-specific versions of these
# functions. You can omit implementing those which already resolve
# to an existing function which works for the new distro.
#
# To add a new API function, add an new briding resolution entry below.
#
distro-image-url() { distro-resolve "$@"; }
distro-ssh-user() { distro-resolve "$@"; }
distro-pkg-type() { distro-resolve "$@"; }
distro-install-repo-key() { distro-resolve "$@"; }
distro-install-repo() { distro-resolve "$@"; }
distro-refresh-pkg-db() { distro-resolve "$@"; }
distro-install-pkg() { distro-resolve "$@"; }
distro-install-pkg-local() { distro-resolve "$@"; }
distro-remove-pkg() { distro-resolve "$@"; }
distro-setup-proxies() { distro-resolve "$@"; }
distro-setup-oneshot() { distro-resolve "$@"; }
distro-install-utils() { distro-resolve "$@"; }
distro-install-golang() { distro-resolve "$@"; }
distro-install-runc() { distro-resolve "$@"; }
distro-install-containerd() { distro-resolve "$@"; }
distro-config-containerd() { distro-resolve "$@"; }
distro-restart-containerd() { distro-resolve "$@"; }
distro-install-crio() { distro-resolve "$@"; }
distro-config-crio() { distro-resolve "$@"; }
distro-restart-crio() { distro-resolve "$@"; }
distro-install-k8s() { distro-resolve "$@"; }
distro-install-kernel-dev() { distro-resolve "$@"; }
distro-k8s-cni() { distro-resolve "$@"; }
distro-k8s-cni-subnet() { distro-resolve "$@"; }
distro-set-kernel-cmdline() { distro-resolve "$@"; }
distro-bootstrap-commands() { distro-resolve "$@"; }
###########################################################################
# distro-specific function resolution
distro-resolve() {
local apifn="${FUNCNAME[1]}" fn prefn postfn
# shellcheck disable=SC2086
{
fn="$(distro-resolve-fn $apifn)"
prefn="$(distro-resolve-fn $apifn-pre)"
postfn="$(distro-resolve-fn $apifn-post)"
command-debug-log "$VM_DISTRO/${FUNCNAME[1]}: pre: ${prefn:--}, fn: ${fn:--}, post: ${postfn:--}"
}
[ -n "$prefn" ] && { $prefn "$@" || return $?; }
$fn "$@" || return $?
[ -n "$postfn" ] && { $postfn "$@" || return $?; }
return 0
}
distro-resolve-fn() {
# We try resolving distro-agnostic implementations by looping through
# a list of candidate function names in decreasing order of precedence
# and returning the first one found. The candidate list has version-
# exact and unversioned distro-specific functions and a set fallbacks
# based on known distro, derivative, and package type relations.
#
# For normal functions the last fallback is 'distro-unresolved' which
# prints and returns an error. For pre- and post-functions there is no
# similar setup. IOW, unresolved normal distro functions fail while
# unresolved pre- and post-functions get ignored (in distro-resolve).
local apifn="$1" candidates fn
case $apifn in
distro-*) apifn="${apifn#distro-}";;
*) error "internal error: can't resolve non-API function $apifn";;
esac
candidates="${VM_DISTRO/./_}-$apifn ${VM_DISTRO%%-*}-$apifn"
case $VM_DISTRO in
ubuntu*) candidates="$candidates debian-$apifn";;
centos*) candidates="$candidates fedora-$apifn rpm-$apifn";;
fedora*) candidates="$candidates rpm-$apifn";;
*suse*) candidates="$candidates rpm-$apifn";;
sles*) candidates="$candidates opensuse-$apifn rpm-$apifn";;
esac
case $apifn in
*-pre|*-post) ;;
*) candidates="$candidates default-$apifn distro-unresolved";;
esac
for fn in $candidates; do
if [ "$(type -t -- "$fn")" = "function" ]; then
echo "$fn"
return 0
fi
done
}
# distro-unresolved terminates failed API function resolution with an error.
distro-unresolved() {
local apifn="${FUNCNAME[2]}"
command-error "internal error: can't resolve \"$apifn\" for \"$VM_DISTRO\""
return 1
}
###########################################################################
#
# Ubuntu 18.04, 20.04, Debian 10, generic debian
#
ubuntu-18_04-image-url() {
echo "https://cloud-images.ubuntu.com/bionic/current/bionic-server-cloudimg-amd64.img"
}
ubuntu-20_04-image-url() {
echo "https://cloud-images.ubuntu.com/focal/current/focal-server-cloudimg-amd64.img"
}
ubuntu-21_04-image-url() {
echo "https://cloud-images.ubuntu.com/releases/hirsute/release/ubuntu-21.04-server-cloudimg-amd64.img"
}
debian-10-image-url() {
echo "https://cloud.debian.org/images/cloud/buster/20200803-347/debian-10-generic-amd64-20200803-347.qcow2"
}
debian-sid-image-url() {
echo "https://cloud.debian.org/images/cloud/sid/daily/latest/debian-sid-generic-amd64-daily.qcow2"
}
ubuntu-download-kernel() {
# Usage:
# ubuntu-download-kernel list
# ubuntu-download-kernel VERSION
#
# List or download Ubuntu kernel team kernels.
#
# Example:
# ubuntu-download-kernel list | grep 5.9
# ubuntu-download-kernel 5.9-rc8
# vm-command "dpkg -i kernels/linux*rc8*deb"
# vm-reboot
# vm-command "uname -a"
local version=$1
[ -n "$version" ] ||
error "missing kernel version to install"
if [ "$version" == "list" ]; then
wget -q -O- https://kernel.ubuntu.com/~kernel-ppa/mainline/ | grep -E '^<tr>.*href="v[5-9]' | sed 's|^.*href="v\([0-9][^"]*\)/".*$|\1|g'
return 0
fi
vm-command "mkdir -p kernels; rm -f kernels/linux*$version*deb; for deb in \$(wget -q -O- https://kernel.ubuntu.com/~kernel-ppa/mainline/v$version/ | awk -F'\"' '/amd64.*deb/{print \$2}' | grep -v -E 'headers|lowlatency'); do ( cd kernels; wget -q https://kernel.ubuntu.com/~kernel-ppa/mainline/v$version/\$deb ); done; echo; echo 'Downloaded kernel packages:'; du -h kernels/*.deb" ||
command-error "downloading kernel $version failed"
}
ubuntu-ssh-user() {
echo ubuntu
}
debian-ssh-user() {
echo debian
}
debian-pkg-type() {
echo deb
}
debian-install-repo-key() {
local key
# apt-key needs gnupg2, that might not be available by default
vm-command "command -v gpg >/dev/null 2>&1" || {
vm-command "apt-get update && apt-get install -y gnupg2"
}
for key in "$@"; do
vm-command "curl -L -s $key | apt-key add -" ||
command-error "failed to install repo key $key"
done
}
debian-install-repo() {
if [ $# = 1 ]; then
# shellcheck disable=SC2086,SC2048
set -- $*
fi
vm-command "echo $* > /etc/apt/sources.list.d/$3-$4.list && apt-get update" ||
command-error "failed to install apt repository $*"
}
debian-refresh-pkg-db() {
vm-command "apt-get update" ||
command-error "failed to refresh apt package DB"
}
debian-install-pkg() {
# dpkg configure may ask "The default action is to keep your
# current version", for instance when a test has added
# /etc/containerd/config.toml and then apt-get installs
# containerd. 'yes ""' will continue with the default answer (N:
# keep existing) in this case. Without 'yes' installation fails.
# Add apt-get option "--reinstall" if any environment variable
# reinstall_<pkg>=1
local pkg
local opts=""
for pkg in "$@"; do
if [ "$(eval echo \$reinstall_$pkg)" == "1" ]; then
opts="$opts --reinstall"
break
fi
done
vm-command "yes \"\" | DEBIAN_FRONTEND=noninteractive apt-get install $opts -y $*" ||
command-error "failed to install $*"
}
debian-remove-pkg() {
vm-command "for pkg in $*; do dpkg -l \$pkg >& /dev/null && apt remove -y --purge \$pkg || :; done" ||
command-error "failed to remove package(s) $*"
}
debian-install-pkg-local() {
local force=""
if [ "$1" == "--force" ]; then
force="--force-all"
shift
fi
vm-command "dpkg -i $force $*" ||
command-error "failed to install local package(s)"
}
debian-install-golang() {
debian-install-pkg golang git-core
}
debian-10-install-containerd-pre() {
debian-install-repo-key https://download.docker.com/linux/debian/gpg
debian-install-repo "deb https://download.docker.com/linux/debian buster stable"
}
debian-sid-install-containerd-post() {
vm-command "sed -e 's|bin_dir = \"/usr/lib/cni\"|bin_dir = \"/opt/cni/bin\"|g' -i /etc/containerd/config.toml"
}
debian-install-crio-pre() {
debian-refresh-pkg-db
debian-install-pkg libgpgme11 conmon runc containernetworking-plugins conntrack || true
}
debian-install-k8s() {
local k8sverparam
debian-refresh-pkg-db
debian-install-pkg apt-transport-https curl
debian-install-repo-key "https://packages.cloud.google.com/apt/doc/apt-key.gpg"
debian-install-repo "deb https://apt.kubernetes.io/ kubernetes-xenial main"
if [ -n "$k8s" ]; then
k8sverparam="=${k8s}-00"
else
k8sverparam=""
fi
debian-install-pkg "kubeadm$k8sverparam" "kubelet$k8sverparam" "kubectl$k8sverparam"
}
debian-set-kernel-cmdline() {
local e2e_defaults="$*"
vm-command "echo 'GRUB_CMDLINE_LINUX_DEFAULT=\"\${GRUB_CMDLINE_LINUX_DEFAULT} ${e2e_defaults}\"' > /etc/default/grub.d/60-e2e-defaults.cfg" || {
command-error "writing new command line parameters failed"
}
vm-command "update-grub" || {
command-error "updating grub failed"
}
}
###########################################################################
#
# Centos 7, 8, generic Fedora
#
YUM_INSTALL="yum install --disableplugin=fastestmirror -y"
YUM_REMOVE="yum remove --disableplugin=fastestmirror -y"
centos-7-image-url() {
echo "https://cloud.centos.org/centos/7/images/CentOS-7-x86_64-GenericCloud-2003.qcow2.xz"
}
centos-8-image-url() {
echo "https://cloud.centos.org/centos/8/x86_64/images/CentOS-8-GenericCloud-8.2.2004-20200611.2.x86_64.qcow2"
}
centos-ssh-user() {
echo centos
}
centos-7-install-utils() {
distro-install-pkg /usr/bin/killall
}
centos-7-install-repo() {
vm-command-q "type -t yum-config-manager >&/dev/null" || {
distro-install-pkg yum-utils
}
vm-command "yum-config-manager --add-repo $*" ||
command-error "failed to add YUM repository $*"
}
centos-7-install-pkg() {
vm-command "$YUM_INSTALL $*" ||
command-error "failed to install $*"
}
centos-7-remove-pkg() {
vm-command "$YUM_REMOVE $*" ||
command-error "failed to remove package(s) $*"
}
centos-7-install-containerd-pre() {
create-ext4-var-lib-containerd
distro-install-repo https://download.docker.com/linux/centos/docker-ce.repo
}
centos-8-install-crio-pre() {
if [ -z "$crio_src" ]; then
local os=CentOS_8
local version=${crio_version:-1.20}
vm-command "curl -L -o /etc/yum.repos.d/libcontainers-stable.repo https://download.opensuse.org/repositories/devel:/kubic:/libcontainers:/stable/$os/devel:kubic:libcontainers:stable.repo"
vm-command "curl -L -o /etc/yum.repos.d/crio.repo https://download.opensuse.org/repositories/devel:kubic:libcontainers:stable:cri-o:$version/$os/devel:kubic:libcontainers:stable:cri-o:$version.repo"
fi
}
centos-8-install-crio() {
if [ -n "$crio_src" ]; then
default-install-crio
else
distro-install-pkg cri-o
vm-command "systemctl enable crio"
fi
}
centos-8-install-containerd-pre() {
distro-install-repo https://download.docker.com/linux/centos/docker-ce.repo
}
centos-7-k8s-cni() {
echo "weavenet"
}
centos-install-golang() {
distro-install-pkg wget tar gzip git-core
from-tarball-install-golang
}
fedora-image-url() {
echo "https://mirrors.xtom.de/fedora/releases/35/Cloud/x86_64/images/Fedora-Cloud-Base-35-1.2.x86_64.qcow2"
}
fedora-34-image-url() {
echo "https://mirrors.xtom.de/fedora/releases/34/Cloud/x86_64/images/Fedora-Cloud-Base-34-1.2.x86_64.qcow2"
}
fedora-33-image-url() {
echo "https://mirrors.xtom.de/fedora/releases/33/Cloud/x86_64/images/Fedora-Cloud-Base-33-1.2.x86_64.qcow2"
}
fedora-ssh-user() {
echo fedora
}
fedora-install-utils() {
distro-install-pkg /usr/bin/pidof
}
fedora-install-repo() {
distro-install-pkg dnf-plugins-core
vm-command "dnf config-manager --add-repo $*" ||
command-error "failed to install DNF repository $*"
}
fedora-install-pkg() {
local pkg
local do_reinstall=0
for pkg in "$@"; do
if [ "$(eval echo \$reinstall_$pkg)" == "1" ]; then
do_reinstall=1
break
fi
done
vm-command "dnf install -y $*" ||
command-error "failed to install $*"
# When requesting reinstallation, detect which packages were
# already installed and reinstall those.
# (Unlike apt and zypper, dnf offers no option for reinstalling
# existing and installing new packages on the same run.)
if [ "$do_reinstall" == "1" ]; then
local reinstall_pkgs
reinstall_pkgs=$(awk -F '[ -]' -v ORS=" " '/Package .* already installed/{print $2}' <<< "$COMMAND_OUTPUT")
if [ -n "$reinstall_pkgs" ]; then
vm-command "dnf reinstall -y $reinstall_pkgs"
fi
fi
}
fedora-remove-pkg() {
vm-command "dnf remove -y $*" ||
command-error "failed to remove package(s) $*"
}
fedora-install-pkg-local() {
local force=""
if [ "$1" == "--force" ]; then
force="--nodeps --force"
shift
fi
vm-command "rpm -Uvh $force $*" ||
command-error "failed to install local package(s)"
}
fedora-install-golang() {
fedora-install-pkg wget tar gzip git-core
from-tarball-install-golang
}
fedora-install-crio-version() {
distro-install-pkg runc conmon
vm-command "ln -sf /usr/lib64/libdevmapper.so.1.02 /usr/lib64/libdevmapper.so.1.02.1" || true
if [ -z "$crio_src" ]; then
vm-command "dnf -y module enable cri-o:${crio_version:-$1}"
fi
}
fedora-install-containernetworking-plugins() {
distro-install-pkg containernetworking-plugins
vm-command "[ -x /opt/cni/bin/loopback ] || { mkdir -p /opt/cni/bin; mount --bind /usr/libexec/cni /opt/cni/bin; }"
vm-command "grep /usr/libexec/cni /etc/fstab || echo /usr/libexec/cni /opt/cni/bin none defaults,bind,nofail 0 0 >> /etc/fstab"
}
fedora-install-crio-pre() {
fedora-install-crio-version 1.21
fedora-install-containernetworking-plugins
}
fedora-install-crio() {
if [ -n "$crio_src" ]; then
default-install-crio
else
distro-install-pkg cri-o
vm-command "systemctl enable --now crio" ||
command-error "failed to enable cri-o"
fi
}
fedora-install-containerd-pre() {
distro-install-repo https://download.docker.com/linux/fedora/docker-ce.repo
fedora-install-containernetworking-plugins
}
fedora-install-k8s() {
local repo="/etc/yum.repos.d/kubernetes.repo"
local base="https://packages.cloud.google.com/yum/repos/kubernetes-el7-\$basearch"
local yumkey="https://packages.cloud.google.com/yum/doc/yum-key.gpg"
local rpmkey="https://packages.cloud.google.com/yum/doc/rpm-package-key.gpg"
cat <<EOF |
[kubernetes]
name=Kubernetes
baseurl=$base
enabled=1
gpgcheck=1
repo_gpgcheck=1
gpgkey=$yumkey $rpmkey
EOF
vm-pipe-to-file $repo
if [ -n "$k8s" ]; then
k8sverparam="-${k8s}-0"
else
k8sverparam=""
fi
distro-install-pkg iproute-tc kubelet$k8sverparam kubeadm$k8sverparam kubectl$k8sverparam
vm-command "systemctl enable --now kubelet" ||
command-error "failed to enable kubelet"
}
fedora-bootstrap-commands-post() {
cat <<EOF
reboot_needed=0
mkdir -p /etc/sudoers.d
echo 'Defaults !requiretty' > /etc/sudoers.d/10-norequiretty
setenforce 0
sed -E -i 's/^SELINUX=.*$/SELINUX=permissive/' /etc/selinux/config
echo PATH='\$PATH:/usr/local/bin:/usr/local/sbin' > /etc/profile.d/usr-local-path.sh
EOF
if [[ "${cgroups:-}" != "v2" ]]; then
cat <<EOF
if grep -q NAME=Fedora /etc/os-release; then
if ! grep -q systemd.unified_cgroup_hierarchy=0 /proc/cmdline; then
sudo grubby --update-kernel=ALL --args="systemd.unified_cgroup_hierarchy=0"
reboot_needed=1
fi
fi
EOF
fi
# Using swapoff is not enough as we also need to disable the swap from systemd
# and then reboot the VM
cat <<EOF
if swapon --show | grep -q partition; then
sed -E -i '/^\\/.*[[:space:]]swap[[:space:]].*\$/d' /etc/fstab
systemctl --type swap
for swp in \`systemctl --type swap | awk '/\\.swap/ { print \$1 }'\`; do systemctl stop "\$swp"; systemctl mask "\$swp"; done
swapoff --all
reboot_needed=1
fi
EOF
cat <<EOF
if [ "\$reboot_needed" == "1" ]; then
shutdown -r now
fi
EOF
}
fedora-33-install-crio-pre() {
fedora-install-crio-version 1.20
}
###########################################################################
#
# OpenSUSE 15.2 and SLES
#
ZYPPER="zypper --non-interactive --no-gpg-checks"
sles-image-url() {
echo "/DOWNLOAD-MANUALLY-TO-HOME/vms/images/SLES15-SP3-JeOS.x86_64-15.3-OpenStack-Cloud-GM.qcow2"
}
sles-ssh-user() {
echo "sles"
}
sles-install-utils() {
local sles_registered=0
local sles_version=""
vm-command "SUSEConnect -s" || {
command-error "cannot run SUSEConnect"
}
# Parse registration status and SLES version.
if [ "$(jq '.[] | select(.identifier == "SLES") | .status' <<< $COMMAND_OUTPUT)" == '"Registered"' ]; then
sles_registered=1
fi
sles_version="$(jq -r '.[] | select(.identifier == "SLES") | .version' <<< $COMMAND_OUTPUT)"
if [ -z "$sles_version" ]; then
command-error "cannot read SLES version information from SUSEConnect -s output"
fi
# Try automatic registration if registration code is provided.
if [ "$sles_registered" == 0 ] && [ -n "$VM_SLES_REGCODE" ]; then
vm-command "SUSEConnect -r $VM_SLES_REGCODE" || {
echo "ERROR:"
echo "ERROR: Registering to SUSE Customer Center failed."
echo "ERROR: - Verify VM_SLES_REGCODE and try again."
echo "ERROR: - Unset VM_SLES_REGCODE to skip registration (use unsupported repos)."
echo "ERROR:"
exit 1
}
sles_registered=1
fi
# Add correct repo, depending on registration status.
if [ "$sles_registered" == 0 ]; then
echo "WARNING:"
echo "WARNING: Unregistered SUSE Linux Enterprise Server."
echo "WARNING: VM_SLES_REGCODE is not set, automatic registration skipped."
echo "WARNING: Fallback to use OpenSUSE OSS repository."
echo "WARNING:"
sleep "${warning_delay:-0}"
vm-command-q "$ZYPPER lr openSUSE-Oss >/dev/null" || {
distro-install-repo "http://download.opensuse.org/distribution/leap/${sles_version}/repo/oss/" openSUSE-Oss
}
else
vm-command-q "$ZYPPER lr | grep -q SUSE-PackageHub" || {
vm-command "SUSEConnect -p PackageHub/${sles_version}/x86_64"
}
fi
distro-install-pkg sysvinit-tools psmisc
}
opensuse-image-url() {
echo "https://download.opensuse.org/pub/opensuse/distribution/leap/15.3/appliances/openSUSE-Leap-15.3-JeOS.x86_64-15.3-OpenStack-Cloud-Current.qcow2"
}
opensuse-15_2-image-url() {
echo "https://download.opensuse.org/repositories/Cloud:/Images:/Leap_15.2/images/openSUSE-Leap-15.2-OpenStack.x86_64-0.0.4-Build8.25.qcow2"
}
opensuse-tumbleweed-image-url() {
echo "https://ftp.uni-erlangen.de/opensuse/tumbleweed/appliances/openSUSE-Tumbleweed-JeOS.x86_64-OpenStack-Cloud.qcow2"
}
opensuse-install-utils() {
distro-install-pkg psmisc sysvinit-tools
}
opensuse-ssh-user() {
echo "opensuse"
}
opensuse-pkg-type() {
echo "rpm"
}
opensuse-set-kernel-cmdline() {
local e2e_defaults="$*"
vm-command "mkdir -p /etc/default; touch /etc/default/grub; sed -i '/e2e:opensuse-set-kernel-cmdline/d' /etc/default/grub"
vm-command "echo 'GRUB_CMDLINE_LINUX_DEFAULT=\"\${GRUB_CMDLINE_LINUX_DEFAULT} ${e2e_defaults}\" # by e2e:opensuse-set-kernel-cmdline' >> /etc/default/grub" || {
command-error "writing new command line parameters failed"
}
vm-command "grub2-mkconfig -o /boot/grub2/grub.cfg" || {
command-error "updating grub failed"
}
}
opensuse-setup-oneshot() {
# Remove bad version of containerd if it is already installed,
# otherwise valid version of the package will not be installed.
vm-command "rpm -q containerd && ( zypper info containerd | awk '/Repository/{print $3}' | grep -v Virtualization ) && echo Removing wrong containerd version && zypper --non-interactive rm containerd"
}
opensuse-install-repo() {
opensuse-wait-for-zypper
vm-command "$ZYPPER addrepo $* && $ZYPPER refresh" ||
command-error "failed to add zypper repository $*"
}
opensuse-refresh-pkg-db() {
opensuse-wait-for-zypper
vm-command "$ZYPPER refresh" ||
command-error "failed to refresh zypper package DB"
}
opensuse-install-pkg() {
opensuse-wait-for-zypper
# Add zypper option "--force" if environment variable reinstall_<pkg>=1
local pkg
local opts=""
for pkg in "$@"; do
if [ "$(eval echo \$reinstall_$pkg)" == "1" ]; then
opts="$opts --force"
break
fi
done
# In OpenSUSE 15.2 zypper exits with status 106 if already installed,
# in 15.3 the exit status is 0. Do not consider "already installed"
# as an error.
vm-command "$ZYPPER install $opts $*" || [ "$COMMAND_STATUS" == "106" ] ||
command-error "failed to install $*"
}
opensuse-install-pkg-local() {
opensuse-wait-for-zypper
local force=""
if [ "$1" == "--force" ]; then
force="--nodeps --force"
shift
fi
vm-command "rpm -Uvh $force $*" ||
command-error "failed to install local package(s)"
}
opensuse-remove-pkg() {
vm-command 'for i in $*; do rpm -q --quiet $i || continue; $ZYPPER remove $i || exit 1; done' ||
command-error "failed to remove package(s) $*"
}
opensuse-install-golang() {
distro-install-pkg wget tar gzip git-core
from-tarball-install-golang
}
opensuse-wait-for-zypper() {
vm-run-until --timeout 5 '( ! pgrep zypper >/dev/null ) || ( pkill -9 zypper; sleep 1; exit 1 )' ||
error "Failed to stop zypper running in the background"
}
opensuse-require-repo-virtualization-containers() {
vm-command "zypper ls"
if ! grep -q Virtualization_containers <<< "$COMMAND_OUTPUT"; then
opensuse-install-repo https://download.opensuse.org/repositories/Virtualization:containers/openSUSE_Leap_15.2/Virtualization:containers.repo
opensuse-refresh-pkg-db
fi
}
opensuse-install-crio-pre() {
opensuse-require-repo-virtualization-containers
distro-install-pkg --from Virtualization_containers runc conmon
vm-command "ln -sf /usr/lib64/libdevmapper.so.1.02 /usr/lib64/libdevmapper.so.1.02.1" || true
}
opensuse-install-runc() {
opensuse-require-repo-virtualization-containers
distro-install-pkg --from Virtualization_containers runc
}
opensuse-install-containerd() {
opensuse-require-repo-virtualization-containers
distro-install-pkg --from Virtualization_containers containerd containerd-ctr
vm-command "ln -sf /usr/sbin/containerd-ctr /usr/sbin/ctr"
cat <<EOF |
[Unit]
Description=containerd container runtime
Documentation=https://containerd.io
After=network.target
[Service]
ExecStartPre=-/sbin/modprobe overlay
ExecStart=/usr/sbin/containerd
Delegate=yes
KillMode=process
Restart=always
LimitNPROC=infinity
LimitCORE=infinity
LimitNOFILE=1048576
TasksMax=infinity
[Install]
WantedBy=multi-user.target
EOF
vm-pipe-to-file /etc/systemd/system/containerd.service
cat <<EOF |
disabled_plugins = []
EOF
vm-pipe-to-file /etc/containerd/config.toml
vm-command "systemctl daemon-reload" ||
command-error "failed to reload systemd daemon"
}
opensuse-install-k8s() {
vm-command "( lsmod | grep -q br_netfilter ) || { echo br_netfilter > /etc/modules-load.d/50-br_netfilter.conf; modprobe br_netfilter; }"
vm-command "echo 1 > /proc/sys/net/ipv4/ip_forward"
vm-command "zypper ls"
if ! grep -q snappy <<< "$COMMAND_OUTPUT"; then
distro-install-repo "http://download.opensuse.org/repositories/system:/snappy/openSUSE_Leap_15.2 snappy"
distro-refresh-pkg-db
fi
distro-install-pkg "snapd apparmor-profiles socat ebtables cri-tools conntrackd iptables ethtool"
vm-install-containernetworking
# In some snap packages snap-seccomp launching fails on bad path:
# cannot obtain snap-seccomp version information: fork/exec /usr/libexec/snapd/snap-seccomp: no such file or directory
# But snap-seccomp may be installed to /usr/lib/snapd/snap-seccomp.
# (Found in opensuse-tumbleweed/20210921.)
# Workaround this problem by making sure that /usr/libexec/snapd/snap-seccomp is found.
vm-command-q "[ ! -d /usr/libexec/snapd ] && [ -f /usr/lib/snapd/snap-seccomp ]" &&
vm-command "ln -s /usr/lib/snapd /usr/libexec/snapd"
vm-command "systemctl enable --now snapd"
vm-command "snap wait system seed.loaded"
for kubepart in kubelet kubectl kubeadm; do
local snapcmd=install
local k8sverparam
if vm-command-q "snap info $kubepart | grep -q tracking"; then
# $kubepart is already installed, either refresh or reinstall it.
if [ "$(eval echo \$reinstall_$kubepart)" == "1" ]; then
# Reinstalling $kubepart requested.
# snap has no option for direct reinstalling,
# so the package needs to be removed first.
vm-command "snap remove $kubepart"
snapcmd=install
else
snapcmd=refresh
fi
fi
# Specify snap channel if user has requested a specific k8s version.
if [[ "$k8s" == *.*.* ]]; then
echo "WARNING: cannot snap install k8s=X.Y.Z, installing latest X.Y"
k8sverparam="--channel ${k8s%.*}/edge"
elif [[ "$k8s" == *.* ]]; then
k8sverparam="--channel ${k8s}/edge"
elif [[ -z "$k8s" ]]; then
k8sverparam=""
else
error "invalid k8s version ${k8s}, expected k8s=X.Y"
fi
vm-command "snap $snapcmd $k8sverparam $kubepart --classic"
done
# Manage kubelet with systemd rather than snap
vm-command "snap stop kubelet"
cat <<EOF |
[Unit]
Description=kubelet: The Kubernetes Node Agent
Documentation=https://kubernetes.io/docs/
Wants=network-online.target
After=network-online.target
[Service]
ExecStart=/snap/bin/kubelet --bootstrap-kubeconfig=/etc/kubernetes/bootstrap-kubelet.conf --kubeconfig=/etc/kubernetes/kubelet.conf --config=/var/lib/kubelet/config.yaml --container-runtime=remote --container-runtime-endpoint=${k8scri_sock} --pod-infra-container-image=k8s.gcr.io/pause:3.4.1
Restart=always
StartLimitInterval=0
RestartSec=10
[Install]
WantedBy=multi-user.target
EOF
vm-pipe-to-file /etc/systemd/system/kubelet.service
vm-command "systemctl enable --now kubelet" ||
command-error "failed to enable kubelet"
}
opensuse-install-kernel-dev() {
vm-command-q "zypper lr | grep -q openSUSE_Tools" ||
distro-install-repo "http://download.opensuse.org/repositories/openSUSE:/Tools/openSUSE_Factory/openSUSE:Tools.repo"
distro-install-pkg "git-core make gcc flex bison bc ncurses-devel patch bzip2 osc build python quilt"
vm-command "cd /root; [ -d kernel ] || git clone --depth=100 https://github.com/SUSE/kernel"
vm-command "cd /root; [ -d kernel-source ] || git clone --depth=100 https://github.com/SUSE/kernel-source"
vm-command "[ -f /etc/profile.d/linux_git.sh ] || echo export LINUX_GIT=/root/kernel > /etc/profile.d/linux_git.sh"
}
opensuse-bootstrap-commands-pre() {
cat <<EOF
sed -e '/Signature checking/a gpgcheck = off' -i /etc/zypp/zypp.conf
EOF
}
###########################################################################
#
# Generic rpm functions
#
rpm-pkg-type() {
echo rpm
}
rpm-install-repo-key() {
local key
for key in "$@"; do
vm-command "rpm --import $key" ||
command-error "failed to import repo key $key"
done
}
rpm-refresh-pkg-db() {
:
}
###########################################################################
#
# default implementations
#
default-bootstrap-commands() {
cat <<EOF
rm -f /etc/modules-load.d/k8s.conf; touch /etc/modules-load.d/k8s.conf
modprobe bridge && echo bridge >> /etc/modules-load.d/k8s.conf || :
modprobe nf-tables-bridge && echo nf-tables-bridge >> /etc/modules-load.d/k8s.conf || :
modprobe br_netfilter && echo br_netfilter >> /etc/modules-load.d/k8s.conf || :
touch /etc/sysctl.d/k8s.conf
echo "net.bridge.bridge-nf-call-ip6tables = 1" >> /etc/sysctl.d/k8s.conf
echo "net.bridge.bridge-nf-call-iptables = 1" >> /etc/sysctl.d/k8s.conf
echo "net.ipv4.ip_forward = 1" >> /etc/sysctl.d/k8s.conf
# rp_filter (partially) mitigates DDOS attacks with spoofed IP addresses
# by dropping packages with non-routable (unanswerable) source addresses.
# However, rp_filter > 0 breaks cilium networking. Make sure it's disabled.
echo "net.ipv4.conf.*.rp_filter = 0" >> /etc/sysctl.d/k8s.conf
/sbin/sysctl -p /etc/sysctl.d/k8s.conf || :
EOF
}
default-setup-proxies() {
# Notes:
# We blindly assume that upper- vs. lower-case env vars are identical.
# shellcheck disable=SC2154
if [ -z "$http_proxy$https_proxy$ftp_proxy$no_proxy" ]; then
return 0
fi
if vm-command-q "grep -q \"http_proxy=$http_proxy\" /etc/profile.d/proxy.sh && \
grep -q \"https_proxy=$https_proxy\" /etc/profile.d/proxy.sh && \
grep -q \"ftp_proxy=$ftp_proxy\" /etc/profile.d/proxy.sh && \
grep -q \"no_proxy=$no_proxy\" /etc/profile.d/proxy.sh" 2>/dev/null; then
# No changes in proxy configuration
return 0
fi
local file scope="" append="--append" hn
hn="$(vm-command-q hostname)"
for file in /etc/environment /etc/profile.d/proxy.sh; do
cat <<EOF |
${scope}http_proxy=$http_proxy
${scope}https_proxy=$https_proxy
${scope}ftp_proxy=$ftp_proxy
${scope}no_proxy=$no_proxy,$VM_IP,10.96.0.0/12,$CNI_SUBNET,$hn,.svc
${scope}HTTP_PROXY=$http_proxy
${scope}HTTPS_PROXY=$https_proxy
${scope}FTP_PROXY=$ftp_proxy
${scope}NO_PROXY=$no_proxy,$VM_IP,10.96.0.0/12,$CNI_SUBNET,$hn,.svc
EOF
vm-pipe-to-file $append $file
scope="export "
append=""
done
# Setup proxies for systemd services that might be installed later
for file in /etc/systemd/system/{containerd,docker,crio}.service.d/proxy.conf; do
cat <<EOF |
[Service]
Environment=HTTP_PROXY=$http_proxy
Environment=HTTPS_PROXY=$https_proxy
Environment=NO_PROXY=$no_proxy,$VM_IP,10.96.0.0/12,$CNI_SUBNET,$hn,.svc
EOF
vm-pipe-to-file $file
done
# Setup proxies inside docker containers
for file in /{root,home/$VM_SSH_USER}/.docker/config.json; do
cat <<EOF |
{
"proxies": {
"default": {
"httpProxy": "$http_proxy",
"httpsProxy": "$https_proxy",
"noProxy": "$no_proxy,$VM_IP,$hn"
}
}
}
EOF
vm-pipe-to-file $file
done
}
default-setup-oneshot() {
:
}
default-install-utils() {
# $distro-install-utils() is responsible for installing common
# utilities, such as pidof and killall, that the test framework
# and tests in general can expect to be found on VM.
:
}
default-k8s-cni() {
echo ${k8scni:-cilium}
}
default-k8s-cni-subnet() {
if [ "$(distro-k8s-cni)" == "flannel" ]; then
echo 10.244.0.0/16
else
echo 10.217.0.0/16
fi
}
default-install-runc() {
distro-install-pkg runc
}
default-install-containerd() {
vm-command-q "[ -f /usr/bin/containerd ]" || {
distro-install-pkg containerd
}
}
default-config-containerd() {
if vm-command-q "[ ! -f /etc/containerd/config.toml ]"; then
vm-command "mkdir -p /etc/containerd && containerd config default > /etc/containerd/config.toml"
fi
vm-sed-file /etc/containerd/config.toml 's/^.*disabled_plugins *= *.*$/disabled_plugins = []/'
if vm-command-q "containerd config dump | grep -v -q SystemdCgroup"; then
vm-command "containerd config dump > /etc/containerd/config.toml"
fi
vm-sed-file /etc/containerd/config.toml 's/SystemdCgroup = false/SystemdCgroup = true/g'
}
default-restart-containerd() {
vm-command "systemctl daemon-reload && systemctl restart containerd" ||
command-error "failed to restart containerd systemd service"
}
default-install-crio() {
[ -n "$crio_src" ] || error "crio install error: crio_src is not set"
[ -x "$crio_src/bin/crio" ] || error "crio install error: file not found $crio_src/bin/crio"
for f in crio crio-status pinns; do
vm-put-file "$crio_src/bin/$f" "/usr/bin/$f"
done
cat <<EOF |
[Unit]
Description=cri-o container runtime