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fgiorgettifgiorgetti
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Bootstrap and remove scripts
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‎bootstrap.sh

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#!/bin/sh
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set -Ceu
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IMAGE="quay.io/skupper/bootstrap"
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INPUT_PATH="${1:-${PWD}}"
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OUTPUT_PATH="${XDG_DATA_HOME:-${HOME}/.local/share}/skupper"
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SERVICE_DIR="${XDG_CONFIG_HOME:-${HOME}/.config}/systemd/user"
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if [ -z "${UID:-}" ]; then
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UID="$(id -u)"
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export UID
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fi
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LOG_FILE="$(mktemp /tmp/skupper-bootstrap.XXXXX.log)"
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exit_error() {
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echo "$*"
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exit 1
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}
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is_sock_endpoint() {
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case "${CONTAINER_ENDPOINT}" in
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"/"*)
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return 0
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;;
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"unix://"*)
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return 0
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;;
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esac
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return 1
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}
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is_container_platform() {
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[ "${SKUPPER_PLATFORM}" != "systemd" ] && [ "${SKUPPER_PLATFORM}" != "bundle" ] && return 0
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return 1
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}
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is_bundle_platform() {
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[ "${SKUPPER_PLATFORM}" = "bundle" ] && return 0
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return 1
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}
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container_env() {
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export SKUPPER_PLATFORM="${SKUPPER_PLATFORM:-podman}"
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export CONTAINER_ENGINE="${CONTAINER_ENGINE:-podman}"
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# Determining if the respective binaries are available
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case "${SKUPPER_PLATFORM}" in
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systemd)
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command -v skrouterd > /dev/null || exit_error "SystemD platform cannot be used: skrouterd not found"
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command -v "${CONTAINER_ENGINE}" > /dev/null || exit_error "SystemD platform cannot be used: ${CONTAINER_ENGINE} (container engine) not found"
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;;
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docker)
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command -v docker > /dev/null || exit_error "Docker platform cannot be used: docker not found"
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export CONTAINER_ENGINE=docker
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;;
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*)
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command -v podman > /dev/null || exit_error "Podman platform cannot be used: podman not found"
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export CONTAINER_ENGINE=podman
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;;
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esac
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export CONTAINER_ENDPOINT_DEFAULT="unix://${XDG_RUNTIME_DIR:-/run/user/${UID}}/podman/podman.sock"
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GID=$(id -g "${UID}")
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export RUNAS="${UID}:${GID}"
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export USERNS="keep-id"
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if [ "${CONTAINER_ENGINE}" = "docker" ]; then
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export CONTAINER_ENDPOINT_DEFAULT="unix:///run/docker.sock"
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export USERNS="host"
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DOCKER_GID=$(getent group docker | cut -d: -f3)
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export RUNAS="${UID}:${DOCKER_GID}"
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fi
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if [ "${UID}" -eq 0 ]; then
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if [ "${CONTAINER_ENGINE}" = "podman" ]; then
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export CONTAINER_ENDPOINT_DEFAULT="unix:///run/podman/podman.sock"
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fi
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export USERNS=""
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export OUTPUT_PATH="/usr/local/share/skupper"
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export SERVICE_DIR="/etc/systemd/system"
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fi
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mkdir -p "${OUTPUT_PATH}"
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export CONTAINER_ENDPOINT="${CONTAINER_ENDPOINT:-${CONTAINER_ENDPOINT_DEFAULT}}"
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}
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create_service() {
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# do not create service when preparing a site bundle
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if is_bundle_platform; then
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return
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fi
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# if systemd is not available, skip it
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if [ "${UID}" -eq 0 ]; then
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systemctl list-units > /dev/null 2>&1 || return
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else
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systemctl --user list-units > /dev/null 2>&1 || return
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fi
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# generated service file
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site_name="$(grep -E 'Site ".*" has been created' "${LOG_FILE}" | awk -F'"' '{print $2}')"
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if [ -z "${site_name}" ]; then
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echo "Unable to create SystemD service (site name could not be identified)"
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return
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fi
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service_name="skupper-site-${site_name}.service"
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service_file="${OUTPUT_PATH}/sites/${site_name}/runtime/scripts/${service_name}"
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if [ ! -f "${service_file}" ]; then
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echo "SystemD service has not been defined"
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return
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fi
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# Moving it to the appropriate location
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if [ "${UID}" -eq 0 ]; then
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mv "${service_file}" /etc/systemd/system/
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systemctl enable --now "${service_name}"
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systemctl daemon-reload
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else
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if [ ! -d "${SERVICE_DIR}" ]; then
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echo "Unable to define path to SystemD service"
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return
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fi
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mv "${service_file}" "${SERVICE_DIR}"
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systemctl --user enable --now "${service_name}"
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systemctl --user daemon-reload
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fi
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}
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main() {
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if [ -z "${INPUT_PATH}" ] || [ ! -d "${INPUT_PATH}" ]; then
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exit_error "Use: bootstrap.sh <local path to CRs>"
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fi
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# Parse Skupper Platform and Container Engine settings
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container_env
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# Must be mounted into the container
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MOUNTS=""
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ENV_VARS=""
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# Mounts
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if is_sock_endpoint && is_container_platform; then
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file_container_endpoint=$(echo "${CONTAINER_ENDPOINT}" | sed -e "s#unix://##g")
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MOUNTS="${MOUNTS} -v '${file_container_endpoint}:/${CONTAINER_ENGINE}.sock:z'"
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fi
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MOUNTS="${MOUNTS} -v '${INPUT_PATH}:/input:z'"
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MOUNTS="${MOUNTS} -v '${OUTPUT_PATH}:/output:z'"
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# Env vars
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if is_container_platform; then
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if is_sock_endpoint; then
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ENV_VARS="${ENV_VARS} -e 'CONTAINER_ENDPOINT=/${CONTAINER_ENGINE}.sock'"
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else
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ENV_VARS="${ENV_VARS} -e 'CONTAINER_ENDPOINT=${CONTAINER_ENDPOINT}'"
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fi
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fi
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ENV_VARS="${ENV_VARS} -e 'OUTPUT_PATH=${OUTPUT_PATH}'"
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ENV_VARS="${ENV_VARS} -e 'SKUPPER_PLATFORM=${SKUPPER_PLATFORM}'"
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# Running the bootstrap
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${CONTAINER_ENGINE} pull ${IMAGE}
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if eval "${CONTAINER_ENGINE}" run --rm --name skupper-bootstrap \
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--network host --security-opt label=disable -u \""${RUNAS}"\" --userns=\""${USERNS}"\" \
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"${MOUNTS}" \
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"${ENV_VARS}" \
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"${IMAGE}" 2>&1 | tee "${LOG_FILE}"; then
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create_service
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fi
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}
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main "$@"

‎remove.sh

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#!/bin/sh
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set -Ceu
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if [ $# -eq 0 ] || [ -z "${1}" ]; then
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echo "Use: ${0##*/} <site-name>"
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exit 1
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fi
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if [ -z "${UID:-}" ]; then
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UID="$(id -u)"
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export UID
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fi
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site=$1
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sites_path="${HOME}/.local/share/skupper/sites"
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service_path="${HOME}/.config/systemd/user"
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systemctl="systemctl --user"
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if [ "${UID}" -eq 0 ]; then
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sites_path="/usr/local/share/skupper/sites"
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service_path="/etc/systemd/system"
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systemctl="systemctl"
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fi
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remove_definition() {
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platform_file="${sites_path}/${site}/runtime/state/platform.yaml"
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SKUPPER_PLATFORM=$(grep '^platform: ' "${platform_file}" | sed -e 's/.*: //g')
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if [ "${SKUPPER_PLATFORM}" != "systemd" ]; then
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${SKUPPER_PLATFORM} rm -f "${site}-skupper-router"
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fi
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rm -rf "${sites_path:?}/${site:?}/"
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}
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remove_service() {
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service="skupper-site-${site}.service"
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${systemctl} stop "${service}"
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${systemctl} disable "${service}"
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rm -f "${service_path:?}/${service:?}"
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${systemctl} daemon-reload
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${systemctl} reset-failed
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}
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main () {
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if ! echo "${site:?}" | grep -E '^[a-z0-9]([-a-z0-9]*[a-z0-9])?$'; then
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echo "Invalid site name"
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exit 0
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fi
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if [ ! -d "${sites_path:?}/${site:?}" ]; then
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echo "Site does not exist"
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exit 0
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fi
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remove_definition
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remove_service
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}
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main "$@"

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