utils/lxc.sh: support build of selected containers
$ sudo -H ./utils/lxc.sh build <name> $ sudo -H ./utils/lxc.sh show [images|suite|info|config [<name>]] Signed-off-by: Markus Heiser <markus.heiser@darmarit.de>
This commit is contained in:
Markus Heiser
parent
f32b4fcedd
commit
af988dbf71
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@ -33,14 +33,17 @@ once::
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$ lxd init --auto
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To make use of the containers from the *searx suite*, you have to build the
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:ref:`LXC suite containers <lxc.sh help>` initial. But be warned, this might
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take some time::
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:ref:`LXC suite containers <lxc.sh help>` initial. But be warned, **this might
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take some time**::
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$ sudo -H ./utils/lxc.sh build
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A cup of coffee later, your LXC suite is build up and you can run whatever task
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you want / in a selected or even in all :ref:`LXC suite containers <lxc.sh
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help>`.
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help>`. If you do not want to build all containers, **you can build just
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one**::
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$ sudo -H ./utils/lxc.sh build searx-ubu1804
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*Good to know ...*
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@ -50,9 +53,12 @@ compare output of::
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$ sudo -H ./utils/lxc.sh cmd -- ls -la Makefile
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...
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[searx-ubu2004] -rw-r--r-- 1 root root 7603 Mar 30 11:54 Makefile
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[searx-fedora31] -rw-r--r-- 1 root root 7603 Mar 30 11:54 Makefile
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[searx-archlinux] -rw-r--r-- 1 root root 7603 Mar 30 11:54 Makefile
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In the containers, you can run what ever you want, e.g. to start a bash use::
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$ sudo -H ./utils/lxc.sh cmd searx-ubu1804 bash
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INFO: [searx-ubu1804] bash
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root@searx-ubu1804:/share/searx#
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If there comes the time you want to **get rid off all** the containers and
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**clean up local images** just type::
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31
utils/lib.sh
31
utils/lib.sh
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@ -1118,6 +1118,37 @@ lxc_install_base_packages() {
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pkg_install "${LXC_BASE_PACKAGES}"
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}
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lxc_image_copy() {
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# usage: lxc_copy_image <remote image> <local image>
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#
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# lxc_copy_image "images:ubuntu/19.10" "ubu1910"
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if lxc_image_exists "local:${LXC_SUITE[i+1]}"; then
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info_msg "image ${LXC_SUITE[i]} already copied --> ${LXC_SUITE[i+1]}"
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else
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info_msg "copy image locally ${LXC_SUITE[i]} --> ${LXC_SUITE[i+1]}"
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lxc image copy "${LXC_SUITE[i]}" local: \
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--alias "${LXC_SUITE[i+1]}" | prefix_stdout
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fi
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}
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lxc_init_container() {
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# usage: lxc_init_container <image name> <container name>
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local image_name="$1"
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local container_name="$2"
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if lxc info "${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 container instance: ${container_name}"
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lxc init "local:${image_name}" "${container_name}"
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fi
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}
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lxc_exists(){
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# usage: lxc_exists <name> || echo "container <name> does not exists"
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@ -15,6 +15,9 @@ lxc_set_suite_env() {
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export LINUXCONTAINERS_ORG_NAME="${LINUXCONTAINERS_ORG_NAME:-images}"
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export LXC_HOST_PREFIX="${LXC_HOST_PREFIX:-searx}"
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export LXC_SUITE=(
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# to disable containers, comment out lines ..
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# end of standard support see https://wiki.ubuntu.com/Releases
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"$LINUXCONTAINERS_ORG_NAME:ubuntu/16.04" "ubu1604" # April 2021
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"$LINUXCONTAINERS_ORG_NAME:ubuntu/18.04" "ubu1804" # April 2023
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230
utils/lxc.sh
230
utils/lxc.sh
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@ -76,16 +76,17 @@ usage() {
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usage::
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$_cmd build [containers]
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$_cmd build [containers|<name>]
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$_cmd copy [images]
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$_cmd remove [containers|<name>|images]
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$_cmd [start|stop] [containers|<name>]
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$_cmd show [info|config|suite|images]
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$_cmd show [images|suite|info|config [<name>]]
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$_cmd cmd [--|<name>] '...'
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$_cmd install [suite|base]
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build
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:containers: build, launch and 'install basic' packages on 'containers'
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:containers: build, launch all containers and 'install base' packages
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:<name>: build, launch container <name> and 'install base' packages
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copy:
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:images: copy remote images of the suite into local storage
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remove
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@ -93,10 +94,10 @@ remove
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:images: delete local images of the suite
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start/stop
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:containers: start/stop all 'containers' from the suite
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:<name>: start/stop conatiner <name> from suite
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:<name>: start/stop container <name> from suite
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show
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:info: show info of all the containers from LXC suite
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:config: show config of all the containers from the LXC suite
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:info: show info of all (or <name>) containers from LXC suite
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:config: show config of all (or <name>) containers from the LXC suite
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:suite: show services of all the containers from the LXC suite
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:images: show information of local images
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cmd
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@ -162,7 +163,8 @@ main() {
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build)
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sudo_or_exit
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case $2 in
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''|containers) build_instances ;;
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${LXC_HOST_PREFIX}-*) build_container "$2" ;;
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''|containers) build_all_containers ;;
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*) usage "$_usage"; exit 42;;
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esac
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;;
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@ -175,11 +177,11 @@ main() {
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remove)
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sudo_or_exit
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case $2 in
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''|containers) remove_instances ;;
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''|containers) remove_containers ;;
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images) lxc_delete_images_localy ;;
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${LXC_HOST_PREFIX}-*)
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! lxc_exists "$2" && usage_containers "unknown container: $2" && exit 42
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if ask_yn "Do you really want to delete conatiner $2"; then
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if ask_yn "Do you really want to delete container $2"; then
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lxc_delete_container "$2"
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fi
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;;
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@ -201,19 +203,41 @@ main() {
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show)
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sudo_or_exit
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case $2 in
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suite) show_suite ;;
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suite)
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case $3 in
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${LXC_HOST_PREFIX}-*)
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lxc exec -t "$3" -- "${LXC_REPO_ROOT}/utils/lxc.sh" __show suite \
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| prefix_stdout "[${_BBlue}$3${_creset}] "
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;;
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*) show_suite;;
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esac
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;;
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images) show_images ;;
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config)
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rst_title "container configurations"
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echo
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lxc list "$LXC_HOST_PREFIX-"
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echo
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lxc_cmd config show
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case $3 in
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${LXC_HOST_PREFIX}-*)
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lxc config show "$3" | prefix_stdout "[${_BBlue}${3}${_creset}] "
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;;
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*)
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rst_title "container configurations"
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echo
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lxc list "$LXC_HOST_PREFIX-"
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echo
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lxc_cmd config show
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;;
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esac
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;;
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info)
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rst_title "container info"
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echo
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lxc_cmd info
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case $3 in
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${LXC_HOST_PREFIX}-*)
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lxc info "$3" | prefix_stdout "[${_BBlue}${3}${_creset}] "
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;;
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*)
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rst_title "container info"
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echo
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lxc_cmd info
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;;
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esac
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;;
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*) usage "$_usage"; exit 42;;
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esac
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@ -265,28 +289,69 @@ main() {
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}
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build_instances() {
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rst_title "Build LXC instances"
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build_all_containers() {
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rst_title "Build all LXC containers of suite"
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usage_containers
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lxc_copy_images_localy
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echo
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rst_title "build containers" section
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echo
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lxc_init_containers
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lxc_config_containers
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lxc_boilerplate_containers
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lxc_init_all_containers
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lxc_config_all_containers
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lxc_boilerplate_all_containers
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rst_title "install LXC base packages" section
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echo
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lxc_exec "${LXC_REPO_ROOT}/utils/lxc.sh" __install base
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echo
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lxc list "$LXC_HOST_PREFIX"
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}
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remove_instances() {
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rst_title "Remove LXC instances"
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build_container() {
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rst_title "Build container $1"
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local remote_image
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local container
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local image
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local boilerplate_script
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for ((i=0; i<${#LXC_SUITE[@]}; i+=2)); do
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if [ "${LXC_HOST_PREFIX}-${LXC_SUITE[i+1]}" = "$1" ]; then
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remote_image="${LXC_SUITE[i]}"
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container="${LXC_HOST_PREFIX}-${LXC_SUITE[i+1]}"
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image="${LXC_SUITE[i+1]}"
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boilerplate_script="${image}_boilerplate"
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boilerplate_script="${!boilerplate_script}"
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break
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fi
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done
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echo
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if [ -z "$container" ]; then
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err_msg "container $1 unknown"
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usage_containers
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return 42
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fi
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lxc_image_copy "${remote_image}" "${image}"
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rst_title "init container" section
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lxc_init_container "${image}" "${container}"
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rst_title "configure container" section
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lxc_config_container "${container}"
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rst_title "run LXC boilerplate scripts" section
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lxc_install_boilerplate "${container}" "$boilerplate_script"
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echo
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rst_title "install LXC base packages" section
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lxc_exec_cmd "${container}" "${LXC_REPO_ROOT}/utils/lxc.sh" __install base \
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| prefix_stdout "[${_BBlue}${container}${_creset}] "
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echo
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lxc list "$container"
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}
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remove_containers() {
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rst_title "Remove all LXC containers of suite"
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rst_para "existing containers matching ${_BGreen}$LXC_HOST_PREFIX-*${_creset}"
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echo
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lxc list "$LXC_HOST_PREFIX-"
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echo -en "\\n${_BRed}LXC containers to delete::${_creset}\\n\\n ${CONTAINERS[*]}\\n" | $FMT
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if ask_yn "Do you really want to delete these conatiners"; then
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if ask_yn "Do you really want to delete these containers"; then
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for i in "${CONTAINERS[@]}"; do
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lxc_delete_container "$i"
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done
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@ -302,13 +367,7 @@ lxc_copy_images_localy() {
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rst_title "copy images" section
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echo
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for ((i=0; i<${#LXC_SUITE[@]}; i+=2)); do
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if lxc_image_exists "local:${LXC_SUITE[i+1]}"; then
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info_msg "image ${LXC_SUITE[i]} already copied --> ${LXC_SUITE[i+1]}"
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else
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info_msg "copy image locally ${LXC_SUITE[i]} --> ${LXC_SUITE[i+1]}"
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lxc image copy "${LXC_SUITE[i]}" local: \
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--alias "${LXC_SUITE[i+1]}" | prefix_stdout
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fi
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lxc_image_copy "${LXC_SUITE[i]}" "${LXC_SUITE[i+1]}"
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done
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# lxc image list local: && wait_key
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}
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@ -408,81 +467,90 @@ lxc_exec() {
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done
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}
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lxc_init_containers() {
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lxc_init_all_containers() {
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rst_title "init all containers" section
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local image_name
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local container_name
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for ((i=0; i<${#LXC_SUITE[@]}; i+=2)); do
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image_name="${LXC_SUITE[i+1]}"
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container_name="${LXC_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: ${container_name}"
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lxc init "local:${image_name}" "${container_name}"
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fi
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lxc_init_container "${LXC_SUITE[i+1]}" "${LXC_HOST_PREFIX}-${image_name}"
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done
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}
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lxc_config_containers() {
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lxc_config_all_containers() {
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rst_title "configure all containers" section
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for i in "${CONTAINERS[@]}"; do
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info_msg "[${_BBlue}${i}${_creset}] configure 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 0\\ngid $HOST_GROUP_ID 0"\
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| lxc config set "$i" raw.idmap -
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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="${REPO_ROOT}" \
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path="${LXC_REPO_ROOT}" &>/dev/null
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# lxc config show "$i" && wait_key
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lxc_config_container "${i}"
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done
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}
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lxc_boilerplate_containers() {
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lxc_config_container() {
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info_msg "[${_BBlue}$1${_creset}] configure container ..."
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info_msg "[${_BBlue}$1${_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 0\\ngid $HOST_GROUP_ID 0"\
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| lxc config set "$1" raw.idmap -
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info_msg "[${_BBlue}$1${_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 "$1" repo_share disk \
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source="${REPO_ROOT}" \
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path="${LXC_REPO_ROOT}" &>/dev/null
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# lxc config show "$1" && wait_key
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}
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lxc_boilerplate_all_containers() {
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rst_title "run LXC boilerplate scripts" section
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local image_name
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local container_name
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local boilerplate_script
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local image_name
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for ((i=0; i<${#LXC_SUITE[@]}; i+=2)); do
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image_name="${LXC_SUITE[i+1]}"
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container_name="${LXC_HOST_PREFIX}-${image_name}"
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boilerplate_script="${image_name}_boilerplate"
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boilerplate_script="${!boilerplate_script}"
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info_msg "[${_BBlue}${container_name}${_creset}] init .."
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if lxc start -q "${container_name}" &>/dev/null; then
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sleep 5 # guest needs some time to come up and get an IP
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lxc_install_boilerplate "${LXC_HOST_PREFIX}-${image_name}" "$boilerplate_script"
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if [[ -z "${boilerplate_script}" ]]; then
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err_msg "[${_BBlue}${container_name}${_creset}] no boilerplate for image '${image_name}'"
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fi
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lxc_init_container "${container_name}"
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info_msg "[${_BBlue}${container_name}${_creset}] install /.lxcenv.mk .."
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cat <<EOF | lxc exec "${container_name}" -- bash | prefix_stdout "[${_BBlue}${container_name}${_creset}] "
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done
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}
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lxc_install_boilerplate() {
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# usage: lxc_install_boilerplate <container-name> <string: shell commands ..>
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#
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# usage: lxc_install_boilerplate searx-archlinux "${archlinux_boilerplate}"
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local container_name="$1"
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local boilerplate_script="$2"
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info_msg "[${_BBlue}${container_name}${_creset}] init .."
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if lxc start -q "${container_name}" &>/dev/null; then
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sleep 5 # guest needs some time to come up and get an IP
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fi
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info_msg "[${_BBlue}${container_name}${_creset}] install /.lxcenv.mk .."
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cat <<EOF | lxc exec "${container_name}" -- bash | prefix_stdout "[${_BBlue}${container_name}${_creset}] "
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rm -f "/.lxcenv.mk"
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ln -s "${LXC_REPO_ROOT}/utils/makefile.lxc" "/.lxcenv.mk"
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ls -l "/.lxcenv.mk"
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EOF
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info_msg "[${_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 '${image_name}'"
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fi
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done
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info_msg "[${_BBlue}${container_name}${_creset}] run LXC boilerplate scripts .."
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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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fi
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}
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Reference in New Issue