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Diffstat (limited to 'utils/filtron.sh')
| -rwxr-xr-x | utils/filtron.sh | 214 |
1 files changed, 214 insertions, 0 deletions
diff --git a/utils/filtron.sh b/utils/filtron.sh new file mode 100755 index 000000000..f310991a0 --- /dev/null +++ b/utils/filtron.sh @@ -0,0 +1,214 @@ +#!/usr/bin/env bash +# -*- coding: utf-8; mode: sh -*- +# shellcheck disable=SC2119 + +# shellcheck source=utils/lib.sh +source "$(dirname "${BASH_SOURCE[0]}")/lib.sh" + +# ---------------------------------------------------------------------------- +# config +# ---------------------------------------------------------------------------- + +FILTRON_ETC="/etc/filtron" + +SERVICE_NAME="filtron" +SERVICE_USER="${SERVICE_NAME}" +SERVICE_HOME="/home/${SERVICE_USER}" +SERVICE_SYSTEMD_UNIT="${SYSTEMD_UNITS}/${SERVICE_NAME}.service" + +# shellcheck disable=SC2034 +SERVICE_GROUP="${SERVICE_USER}" + +GO_ENV="${SERVICE_HOME}/.go_env" +GO_PKG_URL="https://dl.google.com/go/go1.13.5.linux-amd64.tar.gz" +GO_TAR=$(basename "$GO_PKG_URL") + +# ---------------------------------------------------------------------------- +usage(){ +# ---------------------------------------------------------------------------- + + # shellcheck disable=SC1117 + cat <<EOF + +usage: + + $(basename "$0") shell + $(basename "$0") install [all|user] + $(basename "$0") remove [all] + $(basename "$0") activate [server] + $(basename "$0") deactivate [server] + +shell - start interactive shell with user ${SERVICE_USER} +install user - add service user '$SERVICE_USER' at $SERVICE_HOME + +EOF + [ ! -z ${1+x} ] && echo -e "$1" +} + +main(){ + rst_title "$SERVICE_NAME" part + + local _usage="ERROR: unknown or missing $1 command $2" + + case $1 in + --source-only) ;; + -h|--help) usage ;; + + shell) + sudo_or_exit + interactive_shell + ;; + install) + sudo_or_exit + case $2 in + all) install_all ;; + user) assert_user ;; + *) usage "$_usage"; exit 42;; + esac ;; + remove) + sudo_or_exit + case $2 in + all) remove_all;; + user) remove_user ;; + *) usage "$_usage"; exit 42;; + esac ;; + activate) + sudo_or_exit + case $2 in + server) activate_server ;; + *) usage "$_usage"; exit 42;; + esac ;; + deactivate) + sudo_or_exit + case $2 in + server) deactivate_server ;; + *) usage "$_usage"; exit 42;; + esac ;; + *) usage "ERROR: unknown or missing command $1"; exit 42;; + esac +} + +install_all() { + rst_title "Install $SERVICE_NAME (service)" + assert_user + install_go + install_filtron + install_server +} + +remove_all() { + rst_title "De-Install $SERVICE_NAME (service)" + remove_server + remove_user + rm -rf "$FILTRON_ETC" + wait_key +} + +install_server() { + rst_title "Install System-D Unit ${SERVICE_NAME}.service ..." section + install_template ${SERVICE_SYSTEMD_UNIT} root root 644 + wait_key + activate_server +} + +remove_server() { + if ! ask_yn "Do you really want to deinstall $SERVICE_NAME?"; then + return + fi + deactivate_server + rm "${SERVICE_SYSTEMD_UNIT}" +} + + +activate_server () { + rst_title "Activate $SERVICE_NAME (service)" section + tee_stderr <<EOF | bash 2>&1 | prefix_stdout +systemctl enable $SERVICE_NAME.service +systemctl restart $SERVICE_NAME.service +EOF + tee_stderr <<EOF | bash 2>&1 | prefix_stdout +systemctl status $SERVICE_NAME.service +EOF + wait_key +} + +deactivate_server () { + rst_title "De-Activate $SERVICE_NAME (service)" section + echo + tee_stderr <<EOF | bash 2>&1 | prefix_stdout +systemctl stop $SERVICE_NAME.service +systemctl disable $SERVICE_NAME.service +EOF + wait_key +} + +assert_user() { + rst_title "user $SERVICE_USER" section + echo + tee_stderr 1 <<EOF | bash | prefix_stdout +sudo -H adduser --shell /bin/bash --system --home $SERVICE_HOME --group --gecos 'Filtron' $SERVICE_USER +sudo -H usermod -a -G shadow $SERVICE_USER +groups $SERVICE_USER +EOF + SERVICE_HOME="$(sudo -i -u "$SERVICE_USER" echo \$HOME)" + export SERVICE_HOME + echo "export SERVICE_HOME=$SERVICE_HOME" + + cat > "$GO_ENV" <<EOF +export GOPATH=\$HOME/go-apps +export PATH=\$PATH:\$HOME/local/go/bin:\$GOPATH/bin +EOF + echo "Environment $GO_ENV has been setup." + + tee_stderr <<EOF | sudo -i -u $SERVICE_USER +grep -qFs -- 'source $GO_ENV' ~/.profile || echo 'source $GO_ENV' >> ~/.profile +EOF +} + +remove_user() { + rst_title "Drop $SERVICE_USER HOME" section + if ask_yn "Do you really want to drop $SERVICE_USER home folder?"; then + userdel -r -f "$SERVICE_USER" + else + rst_para "Leave HOME folder $(du -sh "$SERVICE_HOME") unchanged." + fi +} + +interactive_shell(){ + echo "// exit with STRG-D" + sudo -H -u ${SERVICE_USER} -i +} + +_service_prefix="$SERVICE_USER@$(hostname) -->| " + +install_go(){ + rst_title "Install Go in user's HOME" section + + rst_para "download and install go binary .." + cache_download "${GO_PKG_URL}" "${GO_TAR}" + + tee_stderr 0.1 <<EOF | sudo -i -u "$SERVICE_USER" | prefix_stdout "$_service_prefix" +echo \$PATH +echo \$GOPATH +mkdir -p \$HOME/local +rm -rf \$HOME/local/go +tar -C \$HOME/local -xzf ${CACHE}/${GO_TAR} +EOF + echo + sudo -i -u "$SERVICE_USER" <<EOF | prefix_stdout +! which go >/dev/null && echo "Go Installation not found in PATH!?!" +which go >/dev/null && go version && echo "congratulations -- Go installation OK :)" +EOF + wait_key +} + +install_filtron() { + tee_stderr <<EOF | sudo -i -u "$SERVICE_USER" | prefix_stdout "$_service_prefix" +go get -v -u github.com/asciimoo/filtron 2>&1 +EOF + install_template "$FILTRON_ETC/rules.json" root root 644 +} + +# ---------------------------------------------------------------------------- +main "$@" +# ---------------------------------------------------------------------------- |