forked from zaclys/searxng
b3ff510e10
From pacman's man page:
--noprogressbar
Do not show a progress bar when downloading files. This can be useful for
scripts that call pacman and capture the output.
Signed-off-by: Markus Heiser <markus.heiser@darmarit.de>
580 lines
18 KiB
Bash
Executable File
580 lines
18 KiB
Bash
Executable File
#!/usr/bin/env bash
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# -*- coding: utf-8; mode: sh indent-tabs-mode: nil -*-
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# SPDX-License-Identifier: AGPL-3.0-or-later
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# shellcheck source=utils/lib.sh
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source "$(dirname "${BASH_SOURCE[0]}")/lib.sh"
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source_dot_config
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# shellcheck source=utils/brand.env
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source "${REPO_ROOT}/utils/brand.env"
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# load environment of the LXC suite
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LXC_ENV="${LXC_ENV:-${REPO_ROOT}/utils/lxc-searx.env}"
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source "$LXC_ENV"
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lxc_set_suite_env
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# ----------------------------------------------------------------------------
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# config
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# ----------------------------------------------------------------------------
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#
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# read also:
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# - https://lxd.readthedocs.io/en/latest/
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LXC_HOST_PREFIX="${LXC_HOST_PREFIX:-test}"
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# Location in the container where all folders from HOST are mounted
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LXC_SHARE_FOLDER="/share"
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LXC_REPO_ROOT="${LXC_SHARE_FOLDER}/$(basename "${REPO_ROOT}")"
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ubu1804_boilerplate="
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export DEBIAN_FRONTEND=noninteractive
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apt-get update -y
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apt-get upgrade -y
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apt-get install -y git curl wget
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"
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ubu1904_boilerplate="$ubu1804_boilerplate"
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# shellcheck disable=SC2034
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ubu2004_boilerplate="
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$ubu1904_boilerplate
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echo 'Set disable_coredump false' >> /etc/sudo.conf
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"
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# shellcheck disable=SC2034
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ubu2010_boilerplate="$ubu1904_boilerplate"
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# shellcheck disable=SC2034
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archlinux_boilerplate="
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pacman --noprogressbar -Syu --noconfirm
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pacman --noprogressbar -S --noconfirm inetutils git curl wget sudo
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echo 'Set disable_coredump false' >> /etc/sudo.conf
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"
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# shellcheck disable=SC2034
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fedora33_boilerplate="
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dnf update -y
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dnf install -y git curl wget hostname
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echo 'Set disable_coredump false' >> /etc/sudo.conf
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"
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# shellcheck disable=SC2034
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centos7_boilerplate="
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yum update -y
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yum install -y git curl wget hostname sudo which
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echo 'Set disable_coredump false' >> /etc/sudo.conf
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"
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REMOTE_IMAGES=()
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CONTAINERS=()
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LOCAL_IMAGES=()
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for ((i=0; i<${#LXC_SUITE[@]}; i+=2)); do
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REMOTE_IMAGES=("${REMOTE_IMAGES[@]}" "${LXC_SUITE[i]}")
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CONTAINERS=("${CONTAINERS[@]}" "${LXC_HOST_PREFIX}-${LXC_SUITE[i+1]}")
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LOCAL_IMAGES=("${LOCAL_IMAGES[@]}" "${LXC_SUITE[i+1]}")
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done
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HOST_USER="${SUDO_USER:-$USER}"
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HOST_USER_ID=$(id -u "${HOST_USER}")
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HOST_GROUP_ID=$(id -g "${HOST_USER}")
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# ----------------------------------------------------------------------------
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usage() {
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# ----------------------------------------------------------------------------
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_cmd="$(basename "$0")"
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cat <<EOF
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usage::
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$_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 [images|suite|info|config [<name>]]
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$_cmd cmd [--|<name>] '...'
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$_cmd install [suite|base [<name>]]
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build
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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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:containers: delete all 'containers' or only <container-name>
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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 container <name> from suite
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show
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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 (or <name>) containers from the LXC suite
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:images: show information of local images
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cmd
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use single qoutes to evaluate in container's bash, e.g.: 'echo \$(hostname)'
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-- run command '...' in all containers of the LXC suite
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:<name>: run command '...' in container <name>
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install
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:base: prepare LXC; install basic packages
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:suite: install LXC ${LXC_SUITE_NAME} suite into all (or <name>) containers
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EOF
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usage_containers
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[ -n "${1+x}" ] && err_msg "$1"
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}
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usage_containers() {
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lxc_suite_install_info
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[ -n "${1+x}" ] && err_msg "$1"
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}
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lxd_info() {
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cat <<EOF
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LXD is needed, to install run::
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snap install lxd
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lxd init --auto
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EOF
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}
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main() {
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local exit_val
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local _usage="unknown or missing $1 command $2"
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# don't check prerequisite when in recursion
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if [[ ! $1 == __* ]] && [[ ! $1 == --help ]]; then
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if ! in_container; then
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! required_commands lxc && lxd_info && exit 42
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fi
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[[ -z $LXC_SUITE ]] && err_msg "missing LXC_SUITE" && exit 42
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fi
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case $1 in
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--getenv) var="$2"; echo "${!var}"; exit 0;;
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-h|--help) usage; exit 0;;
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build)
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sudo_or_exit
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case $2 in
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${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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copy)
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case $2 in
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''|images) lxc_copy_images_localy;;
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*) usage "$_usage"; exit 42;;
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esac
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;;
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remove)
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sudo_or_exit
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case $2 in
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''|--|containers) remove_containers ;;
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images) lxc_delete_images_localy ;;
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${LXC_HOST_PREFIX}-*)
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! lxc_exists "$2" && warn_msg "container not yet exists: $2" && exit 0
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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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*) usage "uknown or missing container <name> $2"; exit 42;;
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esac
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;;
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start|stop)
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sudo_or_exit
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case $2 in
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''|--|containers) lxc_cmd "$1" ;;
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${LXC_HOST_PREFIX}-*)
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! lxc_exists "$2" && usage_containers "unknown container: $2" && exit 42
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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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*) usage "uknown or missing container <name> $2"; exit 42;;
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esac
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;;
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show)
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sudo_or_exit
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case $2 in
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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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case $3 in
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${LXC_HOST_PREFIX}-*)
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! lxc_exists "$3" && usage_containers "unknown container: $3" && exit 42
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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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case $3 in
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${LXC_HOST_PREFIX}-*)
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! lxc_exists "$3" && usage_containers "unknown container: $3" && exit 42
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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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;;
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__show)
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# wrapped show commands, called once in each container
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case $2 in
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suite) lxc_suite_info ;;
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esac
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;;
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cmd)
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sudo_or_exit
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shift
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case $1 in
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--) shift; lxc_exec "$@" ;;
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${LXC_HOST_PREFIX}-*)
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! lxc_exists "$1" && usage_containers "unknown container: $1" && exit 42
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local name=$1
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shift
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lxc_exec_cmd "${name}" "$@"
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;;
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*) usage_containers "unknown container: $1" && exit 42
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esac
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;;
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install)
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sudo_or_exit
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case $2 in
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suite|base)
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case $3 in
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${LXC_HOST_PREFIX}-*)
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! lxc_exists "$3" && usage_containers "unknown container: $3" && exit 42
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lxc_exec_cmd "$3" "${LXC_REPO_ROOT}/utils/lxc.sh" __install "$2"
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;;
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''|--) lxc_exec "${LXC_REPO_ROOT}/utils/lxc.sh" __install "$2" ;;
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*) usage_containers "unknown container: $3" && exit 42
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esac
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;;
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*) usage "$_usage"; exit 42 ;;
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esac
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;;
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__install)
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# wrapped install commands, called once in each container
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# shellcheck disable=SC2119
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case $2 in
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suite) lxc_suite_install ;;
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base) FORCE_TIMEOUT=0 lxc_install_base_packages ;;
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esac
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;;
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doc)
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echo
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echo ".. generic utils/lxc.sh documentation"
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;;
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-*) usage "unknown option $1"; exit 42;;
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*) usage "unknown or missing command $1"; exit 42;;
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esac
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}
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build_all_containers() {
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rst_title "Build all LXC containers of suite"
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echo
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usage_containers
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lxc_copy_images_localy
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lxc_init_all_containers
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lxc_config_all_containers
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lxc_boilerplate_all_containers
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rst_title "install LXC base packages" section
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echo
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lxc_exec "${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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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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local default=Ny
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[[ $FORCE_TIMEOUT = 0 ]] && default=Yn
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if ask_yn "Do you really want to delete these containers" $default; then
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for i in "${CONTAINERS[@]}"; do
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lxc_delete_container "$i"
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done
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fi
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echo
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lxc list "$LXC_HOST_PREFIX-"
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}
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# images
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# ------
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lxc_copy_images_localy() {
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rst_title "copy images" section
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for ((i=0; i<${#LXC_SUITE[@]}; i+=2)); do
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lxc_image_copy "${LXC_SUITE[i]}" "${LXC_SUITE[i+1]}"
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done
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# lxc image list local: && wait_key
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}
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lxc_delete_images_localy() {
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rst_title "Delete LXC images"
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rst_para "local existing images"
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echo
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lxc image list local:
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echo -en "\\n${_BRed}LXC images to delete::${_creset}\\n\\n ${LOCAL_IMAGES[*]}\\n"
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if ask_yn "Do you really want to delete these images"; then
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for i in "${LOCAL_IMAGES[@]}"; do
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lxc_delete_local_image "$i"
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done
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fi
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for i in $(lxc image list --format csv | grep '^,' | sed 's/,\([^,]*\).*$/\1/'); do
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if ask_yn "Image $i has no alias, do you want to delete the image?" Yn; then
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lxc_delete_local_image "$i"
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fi
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done
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echo
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lxc image list local:
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}
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show_images(){
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rst_title "local images"
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echo
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lxc image list local:
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echo -en "\\n${_Green}LXC suite images::${_creset}\\n\\n ${LOCAL_IMAGES[*]}\\n"
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wait_key
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for i in "${LOCAL_IMAGES[@]}"; do
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if lxc_image_exists "$i"; then
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info_msg "lxc image info ${_BBlue}${i}${_creset}"
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lxc image info "$i" | prefix_stdout "[${_BBlue}${i}${_creset}] "
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else
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warn_msg "image ${_BBlue}$i${_creset} does not yet exists"
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fi
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done
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}
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# container
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# ---------
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show_suite(){
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rst_title "LXC suite ($LXC_HOST_PREFIX-*)"
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echo
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lxc list "$LXC_HOST_PREFIX-"
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echo
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for i in "${CONTAINERS[@]}"; do
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if ! lxc_exists "$i"; then
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warn_msg "container ${_BBlue}$i${_creset} does not yet exists"
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else
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lxc exec -t "${i}" -- "${LXC_REPO_ROOT}/utils/lxc.sh" __show suite \
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| prefix_stdout "[${_BBlue}${i}${_creset}] "
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echo
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fi
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done
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}
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lxc_cmd() {
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for i in "${CONTAINERS[@]}"; do
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if ! lxc_exists "$i"; then
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warn_msg "container ${_BBlue}$i${_creset} does not yet exists"
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else
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info_msg "lxc $* $i"
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lxc "$@" "$i" | prefix_stdout "[${_BBlue}${i}${_creset}] "
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fi
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done
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}
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lxc_exec_cmd() {
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local name="$1"
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shift
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exit_val=
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info_msg "[${_BBlue}${name}${_creset}] ${_BGreen}${*}${_creset}"
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lxc exec -t --cwd "${LXC_REPO_ROOT}" "${name}" -- bash -c "$*"
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exit_val=$?
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if [[ $exit_val -ne 0 ]]; then
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warn_msg "[${_BBlue}${name}${_creset}] exit code (${_BRed}${exit_val}${_creset}) from ${_BGreen}${*}${_creset}"
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else
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info_msg "[${_BBlue}${name}${_creset}] exit code (${exit_val}) from ${_BGreen}${*}${_creset}"
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fi
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}
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lxc_exec() {
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for i in "${CONTAINERS[@]}"; do
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if ! lxc_exists "$i"; then
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warn_msg "container ${_BBlue}$i${_creset} does not yet exists"
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else
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lxc_exec_cmd "${i}" "$@" | prefix_stdout "[${_BBlue}${i}${_creset}] "
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fi
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done
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}
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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<${#LXC_SUITE[@]}; i+=2)); do
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lxc_init_container "${LXC_SUITE[i+1]}" "${LXC_HOST_PREFIX}-${LXC_SUITE[i+1]}"
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done
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}
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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 "${CONTAINERS[@]}"; do
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lxc_config_container "${i}"
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done
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}
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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
|
|
# lxc config show "$1" && wait_key
|
|
}
|
|
|
|
lxc_boilerplate_all_containers() {
|
|
rst_title "run LXC boilerplate scripts" section
|
|
|
|
local boilerplate_script
|
|
local image_name
|
|
|
|
for ((i=0; i<${#LXC_SUITE[@]}; i+=2)); do
|
|
|
|
image_name="${LXC_SUITE[i+1]}"
|
|
boilerplate_script="${image_name}_boilerplate"
|
|
boilerplate_script="${!boilerplate_script}"
|
|
|
|
lxc_install_boilerplate "${LXC_HOST_PREFIX}-${image_name}" "$boilerplate_script"
|
|
|
|
if [[ -z "${boilerplate_script}" ]]; then
|
|
err_msg "[${_BBlue}${container_name}${_creset}] no boilerplate for image '${image_name}'"
|
|
fi
|
|
done
|
|
}
|
|
|
|
lxc_install_boilerplate() {
|
|
|
|
# usage: lxc_install_boilerplate <container-name> <string: shell commands ..>
|
|
#
|
|
# usage: lxc_install_boilerplate searx-archlinux "${archlinux_boilerplate}"
|
|
|
|
local container_name="$1"
|
|
local boilerplate_script="$2"
|
|
|
|
info_msg "[${_BBlue}${container_name}${_creset}] init .."
|
|
if lxc start -q "${container_name}" &>/dev/null; then
|
|
sleep 5 # guest needs some time to come up and get an IP
|
|
fi
|
|
if ! check_connectivity "${container_name}"; then
|
|
die 42 "Container ${container_name} has no internet connectivity!"
|
|
fi
|
|
lxc_init_container_env "${container_name}"
|
|
info_msg "[${_BBlue}${container_name}${_creset}] install /.lxcenv.mk .."
|
|
cat <<EOF | lxc exec "${container_name}" -- bash | prefix_stdout "[${_BBlue}${container_name}${_creset}] "
|
|
rm -f "/.lxcenv.mk"
|
|
ln -s "${LXC_REPO_ROOT}/utils/makefile.lxc" "/.lxcenv.mk"
|
|
ls -l "/.lxcenv.mk"
|
|
EOF
|
|
|
|
info_msg "[${_BBlue}${container_name}${_creset}] run LXC boilerplate scripts .."
|
|
if lxc start -q "${container_name}" &>/dev/null; then
|
|
sleep 5 # guest needs some time to come up and get an IP
|
|
fi
|
|
if [[ -n "${boilerplate_script}" ]]; then
|
|
echo "${boilerplate_script}" \
|
|
| lxc exec "${container_name}" -- bash \
|
|
| prefix_stdout "[${_BBlue}${container_name}${_creset}] "
|
|
fi
|
|
}
|
|
|
|
check_connectivity() {
|
|
local ret_val=0
|
|
info_msg "check internet connectivity ..."
|
|
if ! lxc exec "${1}" -- ping -c 1 8.8.8.8 &>/dev/null; then
|
|
ret_val=1
|
|
err_msg "no internet connectivity!"
|
|
info_msg "Most often the connectivity is blocked by a docker installation:"
|
|
info_msg "Whenever docker is started (reboot) it sets the iptables policy "
|
|
info_msg "for the FORWARD chain to DROP, see:"
|
|
info_msg " ${DOCS_URL}/utils/lxc.sh.html#internet-connectivity-docker"
|
|
iptables-save | grep ":FORWARD"
|
|
fi
|
|
return $ret_val
|
|
}
|
|
|
|
# ----------------------------------------------------------------------------
|
|
main "$@"
|
|
# ----------------------------------------------------------------------------
|