add CRIO support (#66)

add CRIO support
---------

Co-authored-by: salatiel <[email protected]>
Co-authored-by: Kai Lüke <[email protected]>

create_crio_sysext.sh

@@ -0,0 +1,75 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+export ARCH="${ARCH-x86-64}"
+SCRIPTFOLDER="$(dirname "$(readlink -f "$0")")"
+
+if [ $# -lt 2 ] || [ "$1" = "-h" ] || [ "$1" = "--help" ]; then
+  echo "Usage: $0 VERSION SYSEXTNAME"
+  echo "The script will download the cri-o release binaries (e.g., for 1.28.4) and create a sysext squashfs image with the name SYSEXTNAME.raw in the current folder."
+  echo "A temporary directory named SYSEXTNAME in the current folder will be created and deleted again."
+  echo "All files in the sysext image will be owned by root."
+  echo "To use arm64 pass 'ARCH=arm64' as environment variable (current value is '${ARCH}')."
+  echo "CNI version current value is 'latest'"
+  "${SCRIPTFOLDER}"/bake.sh --help
+  exit 1
+fi
+
+VERSION="$1"
+SYSEXTNAME="$2"
+
+# The github release uses different arch identifiers (not the same as in the other scripts here),
+# we map them here and rely on bake.sh to map them back to what systemd expects
+if [ "${ARCH}" = "x86_64" ] || [ "${ARCH}" = "x86-64" ]; then
+  ARCH="amd64"
+elif [ "${ARCH}" = "aarch64" ]; then
+  ARCH="arm64"
+fi
+
+rm -f "cri-o.${ARCH}.v${VERSION}.tar.gz"
+curl -o "cri-o.${ARCH}.v${VERSION}.tar.gz" -fsSL "https://storage.googleapis.com/cri-o/artifacts/cri-o.${ARCH}.v${VERSION}.tar.gz" 
+rm -rf "${SYSEXTNAME}"
+mkdir -p "${SYSEXTNAME}" "${SYSEXTNAME}/tmp"
+tar --force-local -xf "cri-o.${ARCH}.v${VERSION}.tar.gz" -C "${SYSEXTNAME}/tmp"
+cd "${SYSEXTNAME}/tmp/cri-o/"
+sed -i '/^sed -i.*DESTDIR/d' install # removes sed replacements from install script to keep the default location (/usr) in the base config file
+DESTDIR="${PWD}/../../../${SYSEXTNAME}" PREFIX=/usr ETCDIR=$PREFIX/share/crio/etc OCIDIR=$PREFIX/share/oci-umount/oci-umount.d \
+  CNIDIR=$PREFIX/share/crio/cni/etc/net.d/ OPT_CNI_BIN_DIR=$PREFIX/share/crio/cni/bin/  BASHINSTALLDIR=/tmp FISHINSTALLDIR=/tmp ZSHINSTALLDIR=/tmp MANDIR=/tmp ./install 
+cd -
+rm -rf "${SYSEXTNAME}/tmp" 
+
+
+cat > "${SYSEXTNAME}"/usr/share/crio/etc/crio/crio.conf <<'EOF'
+# /etc/crio/crio.conf - Configuration file for crio
+# See /etc/crio/crio.conf.d/ for additional config files 
+#
+EOF
+
+cat > "${SYSEXTNAME}"/usr/share/crio/README-flatcar <<'EOF'
+To use kubernetes with crio in flatcar, you will need to pass the criSocket to kubeadm. 
+Eg: kubeadm init --pod-network-cidr=10.244.0.0/16 --kubernetes-version v1.29.2 --cri-socket=unix:///var/run/crio/crio.sock'
+EOF
+
+
+mkdir -p "${SYSEXTNAME}"/usr/lib/systemd/system/crio.service.d
+cat > "${SYSEXTNAME}"/usr/lib/systemd/system/crio.service.d/10-crio.conf <<-'EOF'
+[Service]
+Environment="CONTAINER_CNI_PLUGIN_DIR=/opt/cni/bin"
+Environment="CONTAINER_CONFIG=/etc/crio/crio.conf"
+Environment="CONTAINER_CNI_CONFIG_DIR=/etc/cni/net.d"
+ExecStartPre=/usr/bin/mkdir -p /opt/cni/bin /etc/crio/crio.conf.d/ /etc/cni/net.d/ /var/log/crio
+ExecStartPre=/usr/bin/rsync -ur /usr/share/crio/etc/ /etc/
+ExecStart=
+ExecStart=/usr/bin/crio --config-dir /etc/crio/crio.conf.d/ \
+          $CRIO_CONFIG_OPTIONS \
+          $CRIO_RUNTIME_OPTIONS \
+          $CRIO_STORAGE_OPTIONS \
+          $CRIO_NETWORK_OPTIONS \
+          $CRIO_METRICS_OPTIONS
+EOF
+
+mkdir -p "${SYSEXTNAME}"/usr/lib/systemd/system/multi-user.target.d
+{ echo "[Unit]"; echo "Upholds=crio.service"; } > "${SYSEXTNAME}"/usr/lib/systemd/system/multi-user.target.d/10-crio.conf
+
+RELOAD=1 "${SCRIPTFOLDER}"/bake.sh "${SYSEXTNAME}"
+rm -rf "${SYSEXTNAME}"