utils/morty.sh: add script to install morty result proxy

Signed-off-by: Markus Heiser <markus.heiser@darmarit.de>

utils/filtron.sh

@@ -24,9 +24,11 @@ FILTRON_LISTEN="127.0.0.1:4004"
 FILTRON_TARGET="127.0.0.1:8888"
 
 SERVICE_NAME="filtron"
-SERVICE_USER="${SERVICE_NAME}"
+SERVICE_USER="${SERVICE_USER:-${SERVICE_NAME}}"
 SERVICE_HOME="/home/${SERVICE_USER}"
 SERVICE_SYSTEMD_UNIT="${SYSTEMD_UNITS}/${SERVICE_NAME}.service"
+# shellcheck disable=SC2034
+SERVICE_GROUP="${SERVICE_USER}"
 
 # shellcheck disable=SC2034
 SERVICE_GROUP="${SERVICE_USER}"
@@ -52,7 +54,7 @@ usage() {
     # shellcheck disable=SC1117
     cat <<EOF
 
-usage:
+usage::
 
   $(basename "$0") shell
   $(basename "$0") install    [all|user]
@@ -64,12 +66,11 @@ usage:
   $(basename "$0") option     [debug-on|debug-off]
   $(basename "$0") apache     [install|remove]
 
-
 shell
   start interactive shell from user ${SERVICE_USER}
 install / remove
-  all:        complete setup of filtron service
-  user:       add/remove service user '$SERVICE_USER' at $SERVICE_HOME
+  :all:        complete setup of filtron service
+  :user:       add/remove service user '$SERVICE_USER' at $SERVICE_HOME
 update filtron
   Update filtron installation of user ${SERVICE_USER}
 activate service
@@ -80,12 +81,11 @@ inspect service
   show service status and log
 option
   set one of the available options
-apache
-  install: apache site with a reverse proxy (ProxyPass)
-  remove:  apache site ${APACHE_FILTRON_SITE}
+apache : ${PUBLIC_URL}
+  :install: apache site with a reverse proxy (ProxyPass)
+  :remove:  apache site ${APACHE_FILTRON_SITE}
 
-If needed change the environment variable PUBLIC_URL of your WEB service in the
-${DOT_CONFIG#"$REPO_ROOT/"} file:
+If needed, set PUBLIC_URL of your WEB service in the '${DOT_CONFIG#"$REPO_ROOT/"}' file::
 
   PUBLIC_URL   : ${PUBLIC_URL}
   PUBLIC_HOST  : ${PUBLIC_HOST}
@@ -203,8 +203,9 @@ remove_all() {
 It goes without saying that this script can only be used to remove
 installations that were installed with this script."
 
-    systemd_remove_service "${SERVICE_NAME}" "${SERVICE_SYSTEMD_UNIT}"
-    wait_key
+    if ! systemd_remove_service "${SERVICE_NAME}" "${SERVICE_SYSTEMD_UNIT}"; then
+        return 42
+    fi
     drop_service_account "${SERVICE_USER}"
     rm -r "$FILTRON_ETC" 2>&1 | prefix_stdout
     if service_is_available "${PUBLIC_URL}"; then
@@ -231,7 +232,7 @@ export PATH=\$PATH:\$HOME/local/go/bin:\$GOPATH/bin
 EOF
     echo "Environment $GO_ENV has been setup."
 
-    tee_stderr <<EOF | sudo -i -u $SERVICE_USER
+    tee_stderr <<EOF | sudo -i -u "$SERVICE_USER"
 grep -qFs -- 'source $GO_ENV' ~/.profile || echo 'source $GO_ENV' >> ~/.profile
 EOF
 }
@@ -241,10 +242,12 @@ filtron_is_installed() {
     [[ -f $SERVICE_HOME/go-apps/bin/filtron ]]
 }
 
+_svcpr="  |${SERVICE_USER}| "
+
 install_filtron() {
     rst_title "Install filtron in user's ~/go-apps" section
     echo
-    tee_stderr <<EOF | sudo -i -u "$SERVICE_USER" 2>&1 | prefix_stdout "$_service_prefix"
+    tee_stderr <<EOF | sudo -i -u "$SERVICE_USER" 2>&1 | prefix_stdout "$_svcpr"
 go get -v -u github.com/asciimoo/filtron
 EOF
     install_template --no-eval "$FILTRON_RULES" root root 644
@@ -253,7 +256,7 @@ EOF
 update_filtron() {
     rst_title "Update filtron" section
     echo
-    tee_stderr <<EOF | sudo -i -u "$SERVICE_USER" 2>&1 | prefix_stdout "$_service_prefix"
+    tee_stderr <<EOF | sudo -i -u "$SERVICE_USER" 2>&1 | prefix_stdout "$_svcpr"
 go get -v -u github.com/asciimoo/filtron
 EOF
 }
@@ -301,12 +304,14 @@ EOF
         err_msg "Filtron does not listening on: http://${FILTRON_LISTEN}"
     fi
 
-    if ! service_is_available ""http://${FILTRON_TARGET}"" ; then
+    if service_is_available ""http://${FILTRON_TARGET}"" ; then
         info_msg "Filtron's target is available at: http://${FILTRON_TARGET}"
     fi
 
     if ! service_is_available "${PUBLIC_URL}"; then
         err_msg "Public service at ${PUBLIC_URL} is not available!"
+        echo -e "${_Green}stop with [${_BCyan}CTRL-C${_Green}] or .."
+        wait_key
     fi
 
     local _debug_on
@@ -316,15 +321,17 @@ EOF
     fi
 
     echo
-    systemctl --no-pager -l status filtron.service
+    systemctl --no-pager -l status "${SERVICE_NAME}"
     echo
+
+    info_msg "public URL --> ${PUBLIC_URL}"
     # shellcheck disable=SC2059
     printf "// use ${_BCyan}CTRL-C${_creset} to stop monitoring the log"
     read -r -s -n1 -t 2
     echo
     while true;  do
         trap break 2
-        journalctl -f -u filtron
+        journalctl -f -u "${SERVICE_NAME}"
     done
 
     if [[ $_debug_on == 1 ]]; then