forked from zaclys/searxng
LXC: improved console messages & prompt
Signed-off-by: Markus Heiser <markus.heiser@darmarit.de>
This commit is contained in:
Markus Heiser
parent
59e4026762
commit
ccb96544f7
81
utils/lxc.sh
81
utils/lxc.sh
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@ -17,6 +17,9 @@ source_dot_config
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LINUXCONTAINERS_ORG_NAME="${LINUXCONTAINERS_ORG_NAME:-images}"
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HOST_PREFIX="${HOST_PREFIX:-searx}"
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# where all folders from HOST are mounted
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LXC_SHARE_FOLDER="/share"
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TEST_IMAGES=(
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"$LINUXCONTAINERS_ORG_NAME:ubuntu/18.04" "ubu1804"
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"$LINUXCONTAINERS_ORG_NAME:ubuntu/19.04" "ubu1904"
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@ -61,7 +64,7 @@ usage::
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$(basename "$0") cmd ...
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build / remove
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:containers: build and remove all LXC containers
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:containers: build & launch (or remove) all LXC containers
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add / remove
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:subordinate: lxd permission to map ${HOST_USER}'s user/group id through
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start/stop
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@ -129,7 +132,10 @@ main() {
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sudo_or_exit
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case $2 in
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containers) lxc_cmd "$1" ;;
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*) usage "$_usage"; exit 42;;
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*)
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info_msg "lxc $1 $2"
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lxc "$1" "$2" | prefix_stdout "[${_BBlue}${i}${_creset}] "
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;;
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esac ;;
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inspect)
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sudo_or_exit
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@ -142,12 +148,11 @@ main() {
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sudo_or_exit
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shift
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for i in "${LOCAL_IMAGES[@]}"; do
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info_msg "call ${_BBlue}${i}${_creset} -- ${_BGreen}${*}${_creset}"
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wait_key 3
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info_msg "[${_BBlue}${i}${_creset}] ${_BGreen}${*}${_creset}"
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lxc exec "${i}" -- "$@"
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exit_val=$?
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if [ $exit_val -ne 0 ]; then
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err_msg "$exit_val ${_BBlue}${i}${_creset} -- ${_BGreen}${*}${_creset}"
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if [[ $exit_val -ne 0 ]]; then
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err_msg "[${_BBlue}${i}${_creset}] exit code (${_BRed}${exit_val}${_creset}) from ${_BGreen}${*}${_creset}"
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fi
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done
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;;
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@ -162,7 +167,7 @@ build_instances() {
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rst_title "copy images" section
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echo
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lxc_copy_images_localy
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lxc image list local: && wait_key
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# lxc image list local: && wait_key
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echo
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rst_title "build containers" section
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echo
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@ -175,6 +180,7 @@ build_instances() {
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remove_instances() {
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rst_title "Remove LXC instances"
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lxc list "$HOST_PREFIX"
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echo -en "\\nLXC containers(s)::\\n\\n ${LOCAL_IMAGES[*]}\\n" | $FMT
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if ask_yn "Do you really want to delete all images"; then
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lxc_delete_containers
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@ -214,64 +220,79 @@ lxc_delete_images_localy() {
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lxc_cmd() {
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for i in "${LOCAL_IMAGES[@]}"; do
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info_msg "lxc $* $i"
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lxc "$@" "$i"
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lxc "$@" "$i" | prefix_stdout "[${_BBlue}${i}${_creset}] "
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done
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}
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lxc_init_containers() {
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local shortname
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local image_name
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local container_name
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for ((i=0; i<${#TEST_IMAGES[@]}; i+=2)); do
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shortname="${TEST_IMAGES[i+1]}"
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if lxc info "${HOST_PREFIX}-${shortname}" &>/dev/null; then
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info_msg "conatiner '$i' already exists"
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image_name="${TEST_IMAGES[i+1]}"
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container_name="${HOST_PREFIX}-${image_name}"
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if lxc info "${container_name}" &>/dev/null; then
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info_msg "container '${container_name}' already exists"
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else
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info_msg "create conatiner instance: $i"
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lxc init "local:${shortname}" "${HOST_PREFIX}-${shortname}"
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info_msg "create conatiner instance: ${container_name}"
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lxc init "local:${image_name}" "${container_name}"
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fi
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done
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}
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lxc_config_containers() {
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for i in "${LOCAL_IMAGES[@]}"; do
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info_msg "configure container: ${_BBlue}${i}${_creset}"
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info_msg "[${_BBlue}${i}${_creset}] configure container ..."
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info_msg "map uid/gid from host to container"
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info_msg "[${_BBlue}${i}${_creset}] map uid/gid from host to container"
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# https://lxd.readthedocs.io/en/latest/userns-idmap/#custom-idmaps
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echo -e -n "uid $HOST_USER_ID 1000\\ngid $HOST_GROUP_ID 1000"\
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| lxc config set "$i" raw.idmap -
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info_msg "share ${REPO_ROOT} (repo_share) from HOST into container"
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info_msg "[${_BBlue}${i}${_creset}] share ${REPO_ROOT} (repo_share) from HOST into container"
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# https://lxd.readthedocs.io/en/latest/instances/#type-disk
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lxc config device add "$i" repo_share disk \
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source="${REPO_ROOT}" \
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path="/share/$(basename "${REPO_ROOT}")" &>/dev/null
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path="${LXC_SHARE_FOLDER}/$(basename "${REPO_ROOT}")" &>/dev/null
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# lxc config show "$i" && wait_key
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done
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}
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lxc_boilerplate_containers() {
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local shortname
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local image_name
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local container_name
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local boilerplate_script
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for ((i=0; i<${#TEST_IMAGES[@]}; i+=2)); do
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shortname="${TEST_IMAGES[i+1]}"
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info_msg "install boilerplate: ${_BBlue}${HOST_PREFIX}-${shortname}${_creset}"
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lxc start -q "${HOST_PREFIX}-${shortname}" &>/dev/null
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boilerplate_script="${shortname}_boilerplate"
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image_name="${TEST_IMAGES[i+1]}"
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container_name="${HOST_PREFIX}-${image_name}"
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boilerplate_script="${image_name}_boilerplate"
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boilerplate_script="${!boilerplate_script}"
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if [[ -n "${boilerplate_script}" ]]; then
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echo "$boilerplate_script" \
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| lxc exec "${HOST_PREFIX}-${shortname}" -- bash \
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| prefix_stdout " ${HOST_PREFIX}-${shortname} | "
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else
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warn_msg "no boilerplate for instance '$i'"
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info_msg "[${_BBlue}${container_name}${_creset}] install boilerplate"
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if lxc start -q "${container_name}" &>/dev/null; then
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sleep 5 # guest needs some time to come up and get an IP
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fi
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if [[ -n "${boilerplate_script}" ]]; then
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echo "${boilerplate_script}" \
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| lxc exec "${container_name}" -- bash \
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| prefix_stdout "[${_BBlue}${container_name}${_creset}] "
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else
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err_msg "[${_BBlue}${container_name}${_creset}] no boilerplate for image '${image_name}'"
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fi
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done
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}
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lxc_delete_containers() {
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for i in "${LOCAL_IMAGES[@]}"; do
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if lxc info "$i" &>/dev/null; then
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info_msg "stop & delete instance '$i'"
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info_msg "stop & delete instance ${_BBlue}${i}${_creset}"
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lxc stop "$i" &>/dev/null
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lxc delete "$i" | prefix_stdout
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else
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