refactoring changes from sequpgrade (endReturn, ...) and some modernizations

2023-01-03 15:49:08 +01:00
parent 215135e8aa
commit 3c22d5729f
69 changed files with 553 additions and 654 deletions
--- a/seqs/backup.sh
+++ b/seqs/backup.sh
@@ -152,7 +152,7 @@ step_3() {
  if [ $noRemount -eq 0 ]; then
    # remount target to be writable
    exep "mount -o rw,remount '${buTarget}' >>/dev/null 2>&1"
-    endReturn -o $? "Remount (${buTarget}) to be writable failed"
+    endReturn "Remount (${buTarget}) to be writable failed"
  fi

  if [ ! -w "${buTarget}" ] ; then
--- a/seqs/basics.sh
+++ b/seqs/basics.sh
@@ -16,7 +16,7 @@ step_10_info() { echo "ssmtp installation"; }
 step_10_alias() { echo "ssmtp"; }
 step_10() {
  exe apt update && apt install $SSMTP_DEPS
-  endReturn -o $? "ssmtp installation failed"
+  endReturn "ssmtp installation failed"
 }
 SSMTP_DEPS="ssmtp"

@@ -29,7 +29,7 @@ step_11() {
    return 1
  fi
  addConf -c -f "$CONFIG_FILE_SSMTP" "$CONFIG_LOC_SSMTP"
-  endReturn -o $? "Could not write ssmtp configuration"
+  endReturn "Could not write ssmtp configuration"

  if [ ! -f "$CONFIG_FILE_SSMTP_AL" ] ; then
    warning -e "User aliases ($CONFIG_FILE_SSMTP_AL) not found"
@@ -37,7 +37,7 @@ step_11() {
    return 1
  fi
  addConf -c -f "$CONFIG_FILE_SSMTP_AL" "$CONFIG_LOC_SSMTP_AL"
-  endReturn -o $? "Could not write ssmtp aliases"
+  endReturn "Could not write ssmtp aliases"
 }
 CONFIG_LOC_SSMTP="/etc/ssmtp/ssmtp.conf"
 CONFIG_LOC_SSMTP_AL="/etc/ssmtp/revaliases"
--- a/seqs/calibreweb.sh
+++ b/seqs/calibreweb.sh
@@ -48,7 +48,7 @@ step_2() {
  fi
  if [ ! -e "$CALWEB_VENV_ROOT/bin" ]; then
    exe python3 -m venv "$CALWEB_VENV_ROOT"
-    endReturn -o $? "Creating virtual environment failed"
+    endReturn "Creating virtual environment failed"
    exe chown -R ${CALWEB_USER}: "$CALWEB_BASE"
  else
    warning "Virtual env. $CALWEB_VENV_ROOT already exists"
--- a/seqs/certbot.sh
+++ b/seqs/certbot.sh
@@ -38,7 +38,7 @@ step_1() {
    osName="Ubuntu"
  fi

-  echo " [I] Detected OS: $osName $distName"
+  info "Detected OS: $osName $distName"

  if [ "$osName" == "Ubuntu" ] ; then
    exe apt-get update
--- a/seqs/couchpotato.sh
+++ b/seqs/couchpotato.sh
@@ -34,7 +34,7 @@ step_1() {
  exe apt update
  exe apt install $toolDeps $APTOPT
  exe pip install --upgrade pyopenssl
-  endReturn -o $? "Pip install pyopenssl failed"
+  endReturn "Pip install pyopenssl failed"
 }

 step_2_info() { echo "Clone git repository"; }
@@ -51,7 +51,7 @@ step_3() {
 step_4_info() { echo "Create systemd service"; }
 step_4() {
  exe cp "$CPO_INSTALL_DIR/init/couchpotato.service" "/etc/systemd/system"
-  endReturn -o $? "Creating service file failed"
+  endReturn "Creating service file failed"
  exe systemctl daemon-reload
 }

--- a/seqs/debianrpi.sh
+++ b/seqs/debianrpi.sh
@@ -50,18 +50,18 @@ step_1() {

  if [ ! -f "$downShaFile" ] ; then
    exe wget -O "$downShaFile" "$downSha256"
-    endReturn -o $? "Error downloading $downShaFile"
+    endReturn "Error downloading $downShaFile"
  fi

  if [ ! -f "$toolDownFile" ] ; then
    exe wget -O "$toolDownFile" "$toolDownUrl"
-    endReturn -o $? "Error downloading $downDownFile"
+    endReturn "Error downloading $downDownFile"
  fi

  info "Checking SHA256 checksum"
  exe cd $(dirname "$toolDownFile")
  exe sha256sum -c "$downShaFile" >>/dev/null
-  endReturn -o $? "SHA256 checksum error"
+  endReturn "SHA256 checksum error"
 }

 step_2_info() { echo "Write image to device"; }
@@ -73,7 +73,7 @@ step_2() {
  fi
  read_sd_dev "$SDDEV"
  # check if device was confirmed
-  endReturn -o $? "SD card device not found"
+  endReturn "SD card device not found"

  info "Writing $(basename "$toolDownFile")"
  exep "xzcat \"$toolDownFile\" | dd of=$SDDEV bs=64k oflag=dsync status=progress"
@@ -143,7 +143,7 @@ step_12() {
  fi

  exe sed -i "s/#[[:space:]]*\($localUsDefault\)/\1/" "$localesConfigLoc"
-  endReturn -o $? "Changing locales failed"
+  endReturn "Changing locales failed"
  exe locale-gen
  exe update-locale LANG=$localUs
  info "Logout and login for changes to be active"
@@ -162,7 +162,7 @@ step_14() {
    return 0
  fi
  exe hostnamectl set-hostname "$localHostname"
-  endReturn -o $? "Couldn't set hostname"
+  endReturn "Couldn't set hostname"
  exe sed -i "s/^\(127\.0\.0\.1[[:space:]]*\)\(localhost.*\)/\1\2\n\1$localHostname/" "$hostsLoc"
 }
 hostsLoc="/etc/hosts"
@@ -255,7 +255,7 @@ read_sd_dev() {
    SDROOTDEV=
    SDBOOTPUUID=
    SDROOTPUUID=
-    echo " [I] Available devices:"
+    info "Available devices:"
    echo
    exe lsblk -p
    echo
--- a/seqs/downloader.sh
+++ b/seqs/downloader.sh
@@ -278,7 +278,7 @@ step_14() {
  local bazarrGitUrl="https://github.com/morpheus65535/bazarr.git"

  exe python3 -m venv "$bazarrVenv"
-  endReturn -o $? "Creating virtual environment failed"
+  endReturn "Creating virtual environment failed"

  exe git clone $bazarrGitUrl "$bazarrDir"
  exe chown -R $DLD_USER: "$bazarrVenv"
@@ -340,15 +340,15 @@ step_16() {
  local buildPath="/tmp/unrarbuild"

  cat /etc/apt/sources.list | grep -E "^deb-src" >>/dev/null 2>&1
-  endReturn -o $? "No deb-src entry found in /etc/apt/sources.list"
+  endReturn "No deb-src entry found in /etc/apt/sources.list"

  exe mkdir -p "$buildPath"
  exe cd "$buildPath"
  exe apt build-dep unrar-nonfree ${sq_aptOpt}
  exe apt source -b unrar-nonfree ${sq_aptOpt}
-  endReturn -o $? "unrar-nonfree build failed ($buildPath left untouched)"
+  endReturn "unrar-nonfree build failed ($buildPath left untouched)"
  exe dpkg -i unrar*.deb
-  endReturn -o $? "unrar-nonfree install failed ($buildPath left untouched)"
+  endReturn "unrar-nonfree install failed ($buildPath left untouched)"

  exe rm -rf "$buildPath"
 }
--- a/seqs/ebackup.sh
+++ b/seqs/ebackup.sh
@@ -58,18 +58,18 @@ step_1() {
  done

  if [ -z $EBU_TARGET ] || [ -z $EBU_SOURCE ] ; then
-    echo " [I] Nothing to do. Check $seq_configFile"
+    info "Nothing to do. Check $seq_configFile"
    return 1
  fi

  if [ -n "${1:-}" ] && ( [ "$1" == "full" ] || [ "$1" == "incremental" ] ) ; then
    dupArgs+=("$1")
  elif [ -n "${1:-}" ] ; then
-    echo " [W] $toolName command \"$1\" not recognized"
+    warning "$toolName command \"$1\" not recognized"
    return 1
  fi

-  echo " [I] Running backup profile [$seq_profileName]"
+  info "Running backup profile [$seq_profileName]"

  if [ "${dupArgs[0]:-}" != "full" ] && [ -n "$EBU_MAX_FULLBKP_AGE" ] ; then
    dupArgs+=(--full-if-older-than "$EBU_MAX_FULLBKP_AGE")
@@ -97,7 +97,7 @@ step_3() {
  shift

  if [ -z $EBU_TARGET ] || [ -z $EBU_SOURCE ] ; then
-    echo " [I] Nothing to do. Check $seq_configFile"
+    info "Nothing to do. Check $seq_configFile"
    return 1
  fi

@@ -260,16 +260,16 @@ step_70() {
  cronEntry+=" >$cronLog"

  if [ -z "$EBU_CRONTIME" ] || [ $cronRemove -ne 0 ] ; then
-    echo " [I] Removing cron for profile $seq_profileName"
+    info "Removing cron for profile $seq_profileName"
    exe rm -r "$cronScript"
  else
    checkFileHead "$cronScript" "$cronEntry"
    if [ $? -ne 0 ] ; then
-      echo " [I] Update cron for profile $seq_profileName"
+      info "Update cron for profile $seq_profileName"
      exep "sudo echo \"$cronEntry\" > \"$cronScript\""
      syslogEntry "Cron file update complete [$EBU_CRONTIME]"
    else
-      echo " [I] Cron for profile $seq_profileName is up to date"
+      info "Cron for profile $seq_profileName is up to date"
    fi
  fi
 }
--- a/seqs/element-web.sh
+++ b/seqs/element-web.sh
@@ -116,10 +116,10 @@ step_22() {
  if [ ! -e "$tempExtract" ] ; then
    exe mkdir -p "$tempDown"
    exe wget -O "$tempLoc" "$downUrl"
-    endReturn -o $? "Download failed: $downUrl"
+    endReturn "Download failed: $downUrl"
    exe cd "$tempDown"
    exe tar -xf "$tempLoc"
-    endReturn -o $? "Extract failed: $tempLoc"
+    endReturn "Extract failed: $tempLoc"
  else
    info "Found existing download: $tempExtract"
  fi
@@ -130,7 +130,7 @@ step_22() {

  exe mv "$ELEMENT_WEB_LOC" "$tempBu"
  step backup "$tempBu"
-  endReturn -o $? "Backup failed; $ELEMENT_WEB_LOC renamed!"
+  endReturn "Backup failed; $ELEMENT_WEB_LOC renamed!"
  info "Installing version $latestVersion to $ELEMENT_WEB_LOC"
  exe mv "$tempExtract" "$ELEMENT_WEB_LOC"
  exe chown -R www-data: "$ELEMENT_WEB_LOC"
--- a/seqs/fhem.sh
+++ b/seqs/fhem.sh
@@ -34,21 +34,21 @@ step_1() {
  #exe apt update
  exe apt install $toolDeps $toolDeps2 "$aptOpt"
  #exe apt install "$toolDeps2" "$aptOpt"
-  endReturn -o $? "Installation of prerequisits failed"
+  endReturn "Installation of prerequisits failed"
 }

 step_2_info() { echo "Install jabber prerequisits"; echoinfo "(May be skipped)"; }
 step_2() {
  exe apt install $toolDepsJabber "$aptOpt"
-  endReturn -o $? "Installation of prerequisits for jabber failed"
+  endReturn "Installation of prerequisits for jabber failed"
 }

 step_3_info() { echo "Download and install $toolName version $toolVersion"; }
 step_3() {
  exe wget "$toolUrl" -O "$downPath"
-  endReturn -o $? "Download of $toolName failed"
+  endReturn "Download of $toolName failed"
  exe dpkg -i "$downPath"
-  endReturn -o $? "Installation of $toolName failed"
+  endReturn "Installation of $toolName failed"
  info "$toolName is now running on http://$(hostname -I | cut -d " " -f 1):8083"
 }
 downPath="/tmp/$toolDpkg"
@@ -56,14 +56,14 @@ downPath="/tmp/$toolDpkg"
 step_20_info() { echo "List $toolName prerequisits"; }
 step_20_alias() { echo "listdeps"; }
 step_20() {
-  echo " [I] $toolName prerequisits:"
+  info "$toolName prerequisits:"
  echo "$toolDeps $toolDeps2"
 }

 step_30_info() { echo "Create user $toolUser"; }
 step_30() {
  exe useradd --system --home "$toolHome" --gid dialout --shell /bin/false "$toolUser"
-  endReturn -o $? "Creating user $toolUser failed"
+  endReturn "Creating user $toolUser failed"
 }

 step_32_info() { echo "Create $toolName systemd service"; }
@@ -78,11 +78,11 @@ step_34_alias() { echo "downgrade_xmpp"; }
 step_34() {
  if [ ! -f $libnetDown ]; then
    exe wget "$libnetUrl" -O "$libnetDown"
-    endReturn -o $? "Download of $libnetUrl failed"
+    endReturn "Download of $libnetUrl failed"
  fi
  if [ ! -f $libxmlDown ]; then
    exe wget "$libxmlUrl" -O "$libxmlDown"
-    endReturn -o $? "Download of $libxmlUrl failed"
+    endReturn "Download of $libxmlUrl failed"
  fi

  local aptOption=
--- a/seqs/freeradius.sh
+++ b/seqs/freeradius.sh
@@ -39,7 +39,7 @@ step_50() {
  local frDbSchema="$toolConfLoc/mods-config/sql/main/mysql/schema.sql"
  local frDbSetup="$toolConfLoc/mods-config/sql/main/mysql/setup.sql"
  exe "$WDIR"/mysql.sh createdb -c utf8 -d "$FRAD_DB_NAME" -u "$FRAD_DB_USER"
-  endReturn -o $? "Creating database failed"
+  endReturn "Creating database failed"

  exep "mysql -uroot \"$FRAD_DB_NAME\" < $frDbSchema"
  #exep "mysql -uroot \"$FRAD_DB_NAME\" < $frDbSetup"
--- a/seqs/friendica.sh
+++ b/seqs/friendica.sh
@@ -40,16 +40,16 @@ step_20() {
  fi

  exe "${seq_dir}/mysql.sh" -qq backup "$FR_DATABASE" "$FR_BACKUP"
-  endReturn -o $? "Backup mysql database failed"
+  endReturn "Backup mysql database failed"

  [ ! -e "$tempRoot" ] && endReturn -o 1 -f "Friendica root $tempRoot not found"

  local wwwBackup="$FR_BACKUP/${toolName}_www_`date +%Y%m%d-%H%M%S`.tar.gz"
  local dataBackup="$FR_BACKUP/${toolName}_data_`date +%Y%m%d-%H%M%S`.tar.gz"
-  echo " [I] Backing up webserver directory to $wwwBackup"
+  info "Backing up webserver directory to $wwwBackup"
  exe cd "$tempRoot/.."
  exe tar czf "$wwwBackup" $(basename "$tempRoot")
-  echo " [I] Backing up data directory to $dataBackup"
+  info "Backing up data directory to $dataBackup"
  exe cd "$FR_LOC_DATA/.."
  exe tar czf "$dataBackup" $(basename "$FR_LOC_DATA")
 }
@@ -110,21 +110,21 @@ step_22() {
  if [ ! -e "$tempExtract" ] ; then
    exe mkdir -p "$tempDown"
    exe wget -O "$tempLoc" $downUrl
-    endReturn -o $? "Download failed: $downUrl"
+    endReturn "Download failed: $downUrl"
    exe cd "$tempDown"
    exe tar -xf "$tempLoc"
-    endReturn -o $? "Extract failed: $tempLoc"
+    endReturn "Extract failed: $tempLoc"
  else
    info "Found existing download: $tempExtract"
  fi

  if [ ! -e "$tempExtractAddons" ] ; then
    exe wget -O "$tempLocAddons" $downUrlAddons
-    endReturn -o $? "Download failed: $downUrlAddons"
+    endReturn "Download failed: $downUrlAddons"
    exe cd "$tempDown"
    exe mkdir -p "$tempExtractAddons"
    exe tar -xC "${tempExtractAddons}" -f "$tempLocAddons"
-    endReturn -o $? "Extract failed: $tempLocAddons"
+    endReturn "Extract failed: $tempLocAddons"
  else
    info "Found existing download: $tempExtractAddons"
  fi
@@ -135,7 +135,7 @@ step_22() {

  exe mv "$FR_LOC" "$tempBu"
  step backup "$tempBu"
-  endReturn -o $? "Backup failed; $FR_LOC renamed!"
+  endReturn "Backup failed; $FR_LOC renamed!"
  info "Installing version $latestVersion to $FR_LOC"
  exe systemctl stop friendica.service
  exe mv "$tempExtract" "$FR_LOC"
--- a/seqs/git.sh
+++ b/seqs/git.sh
@@ -1,34 +1,5 @@
 #!/bin/bash

-toolName=git
-
-# Get script working directory
-# (when called from a different directory and even when called via symlink)
-WDIR="$(cd "$(dirname -- "$(realpath ${BASH_SOURCE[0]})")" >>/dev/null 2>&1 && pwd)"
-APTOPT=
-CONFIG=0
-SCRIPT_FILE=$(basename -- $0)
-SCRIPT_NAME=${SCRIPT_FILE%%.*}
-CONFIG_FILE_NAME="${SCRIPT_NAME}.cfg"
-CONFIG_FILE_TEMPLATE="$WDIR/${CONFIG_FILE_NAME}.example"
-
-seq_config() {
-  ## or to use sequencer api with global config file:
-  #initSeqConfig "$CONFIG_FILE_NAME" "$CONFIG_FILE_TEMPLATE"
-  #if [ $? -eq 0 ] ; then
-  #  CONFIG=1
-  #else
-  #  # End if no configuration file exists
-  #  dry || return -1
-  #fi
-
-  ## Apt cmdline option to suppress user interaction
-  quiet && APTOPT="-y"
-
-  ## Return of non zero value will abort the sequence
-  return 0
-}
-
 step_1_info() { echo "Setup global git aliases"; }
 step_1_alias() { echo "alias"; }
 step_1() {
@@ -48,5 +19,7 @@ step_1() {
  exe git config --global alias.ll 'log'
 }

+# shellcheck disable=SC2034 # Appears unused
 readonly sqr_minVersion=16
+# shellcheck disable=SC1091 # Don't follow this source
 . /usr/local/bin/sequencer.sh
--- a/seqs/gitea.sh
+++ b/seqs/gitea.sh
@@ -92,7 +92,7 @@ step_4() {
  exe install -g $SEQ_GITEA_USER -m 770 -d "$giteaLogDir"
  info -n "Copying gitea to global location and making it executable..."
  exe install -b -m 755 -T "$giteaDownFile" "$SEQ_GITEA_BIN_LOC" && info -d "ok"
-  endReturn -o $? "Failed to install $SEQ_GITEA_BIN_LOC"
+  endReturn "Failed to install $SEQ_GITEA_BIN_LOC"
 }

 step_5_info() { echo "Creating systemd service"; }
@@ -159,7 +159,7 @@ step_12_alias() { echo "upgrade"; }
 step_12() {
  endIfEmpty versionNow "Please install $toolName first"
  exe wget -O "$giteaDownFile" $giteaDownload
-  endReturn -o $? "Download failed"
+  endReturn "Download failed"

  if [ -f "$SEQ_GITEA_BIN_LOC" ] ; then
    local toolBackup="${SEQ_GITEA_BACKUP_DIR}/gitea_${versionNow}"
@@ -170,7 +170,7 @@ step_12() {
    exe cp -ar "$SEQ_GITEA_BIN_LOC" "$toolBackup" && sqr::echo "ok" || sqr::echo "nok"
  fi
  exe install --backup=none -m 755 -T "$giteaDownFile" "$SEQ_GITEA_BIN_LOC"
-  endReturn -o $? "Upgrade failed"
+  endReturn "Upgrade failed"
  exe service gitea start
 }

--- a/seqs/grocy.sh
+++ b/seqs/grocy.sh
@@ -95,7 +95,7 @@ step_22() {
    fi
  fi
  exe wget ${downUrl} -q -O "${sq_grocyDownLoc}"
-  endReturn -o $? "Download failed"
+  endReturn "Download failed"
  if [ -e "${sc_grocyDir}" ] ; then
    step backup
    exe rm -rf "${sc_grocyDir}/${sc_grocyViewcache}"
--- a/seqs/jitsi.sh
+++ b/seqs/jitsi.sh
@@ -2,24 +2,6 @@

 toolName="jitsi-meet"

-# Get script working directory
-# (when called from a different directory)
-WDIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" >>/dev/null 2>&1 && pwd )"
-#CONFIG=0
-#CONFIG_FILE_NAME="${toolName}.cfg"
-#CONFIG_FILE_TEMPLATE="$WDIR/${CONFIG_FILE_NAME}.example"
-
-#step_config() {
-#echo "Called once before executing steps."
-## e.g. to source a config file manually:
-#. "$CONFIG_FILE"
-## or to use sequencer api:
-#initSeqConfig "$CONFIG_FILE_NAME" "$CONFIG_FILE_TEMPLATE"
-#if [ $? -eq 0 ] ; then
-#  CONFIG=1
-#fi
-#}
-
 step_1_info() { echo "Installation of prerequisits"; }
 step_1_alias() { echo "prepare"; }
 step_1() {
@@ -50,7 +32,7 @@ step_5_info() { echo "Install nginx webserver"; }
 step_5_alias() { echo "webserver"; }
 step_5() {
  exe apt install nginx
-  endReturn -o $? "Installation of webserver nginx failed"
+  endReturn "Installation of webserver nginx failed"
  exe mkdir -p /etc/nginx/sites-available
  exe mkdir -p /etc/nginx/sites-enabled
  exe mkdir -p /etc/nginx/modules-enabled
@@ -61,12 +43,12 @@ step_6_info() { echo "Install ufw firewall"; }
 step_6_alias() { echo "firewall"; }
 step_6() {
  exe apt install ufw
-  endReturn -o $? "Installation of firewall ufw failed"
+  endReturn "Installation of firewall ufw failed"
 }

 step_7_info() { echo "Setup ufw firewall to run $toolName"; }
 step_7() {
-  echo " [I] Configure ufw firewall"
+  info "Configure ufw firewall"
  exe ufw allow 22/tcp
  exe ufw allow 80/tcp
  exe ufw allow 443/tcp
@@ -87,57 +69,61 @@ step_9() {
  exe mv /etc/nginx/sites-available/*.conf /etc/nginx/conf.d
  exe mv /etc/nginx/conf.d/default.conf /etc/nginx/sites-available
  exe service nginx restart
-  echo " [I] Check /etc/nginx/conf.d for unwanted configurations"
+  info "Check /etc/nginx/conf.d for unwanted configurations"
 }

 step_10_info() { echo "WIP post-install tasks"; }
 step_10() {
-  echo " [I] Tasks to be automated"
-  echo
-  echo "  *  Make jitsi installation password protected"
-  echo "     (https://github.com/jitsi/jicofo#secure-domain)"
-  echo "     Creating new rooms will require username and password"
-  echo
-  echo "  ** /etc/prosody/conf.avail/[your-hostname].cfg.lua"
-  echo 
-  echo "     a) Enable authentication on your main domain:"
-  echo
-  echo "        VirtualHost \"jitsi-meet.example.com\""
-  echo "            authentication = \"internal_plain\""
-  echo
-  echo "     b) Add new virtual host with anonymous login method for guests:"
-  echo
-  echo "        VirtualHost \"guest.jitsi-meet.example.com\""
-  echo "            authentication = \"anonymous\""
-  echo "            c2s_require_encryption = false"
-  echo
-  echo "  ** /etc/jitsi/meet/[your-hostname]-config.js"
-  echo
-  echo "        var config = {"
-  echo "            hosts: {"
-  echo "                    domain: 'jitsi-meet.example.com',"
-  echo "                    anonymousdomain: 'guest.jitsi-meet.example.com',"
-  echo "                    ..."
-  echo "                   },"
-  echo "                   ..."
-  echo "        }"
-  echo
-  echo "  ** /etc/jitsi/jicofo/sip-communicator.properties"
-  echo "     add new line:"
-  echo
-  echo "        org.jitsi.jicofo.auth.URL=XMPP:jitsi-meet.example.com"
-  echo
-  echo "  ** Create prosody user(s):"
-  echo
-  echo "        prosodyctl register <username> jitsi-meet.example.com <password>"
-  echo
-  echo " [I] Use step \"restart\" after these changes"
+  color green
+  cat << WIP_END
+# Tasks to be automated
+
+ *  Make jitsi installation password protected
+    (https://github.com/jitsi/jicofo#secure-domain)
+    Creating new rooms will require username and password
+
+ ** /etc/prosody/conf.avail/[your-hostname].cfg.lua
+
+    a) Enable authentication on your main domain:
+
+       VirtualHost "jitsi-meet.example.com"
+           authentication = "internal_plain"
+
+    b) Add new virtual host with anonymous login method for guests:
+
+       VirtualHost "guest.jitsi-meet.example.com"
+           authentication = "anonymous"
+           c2s_require_encryption = false
+
+ ** /etc/jitsi/meet/[your-hostname]-config.js
+
+       var config = {
+           hosts: {
+                   domain: 'jitsi-meet.example.com',
+                   anonymousdomain: 'guest.jitsi-meet.example.com',
+                   ...
+                  },
+                  ...
+       }
+
+ ** /etc/jitsi/jicofo/sip-communicator.properties
+    add new line:
+
+       org.jitsi.jicofo.auth.URL=XMPP:jitsi-meet.example.com
+
+ ** Create prosody user(s):
+
+       prosodyctl register <username> jitsi-meet.example.com <password>
+
+WIP_END
+  color none
+  info "Use step \"restart\" after these changes"
 }

 step_20_info() { echo "Restart all $toolName components"; }
 step_20_alias() { echo "restart"; }
 step_20() {
-  echo " [I] Restart jitsi-meet components"
+  info "Restart jitsi-meet components"
  exep "service prosody restart&& service jicofo restart && service jitsi-videobridge2 restart"
 }

--- a/seqs/ldap.sh
+++ b/seqs/ldap.sh
@@ -98,11 +98,11 @@ objectClass: organizationalUnit
 step_8_info() { echo "Setup SSL secured ldaps:// access"; }
 step_8() {
  sudo -u $toolUser test -r "$LDAP_CERT_KEY" >>/dev/null 2>&1
-  endReturn -o $? "$toolUser cannot access certificate key file: $LDAP_CERT_KEY"
+  endReturn "$toolUser cannot access certificate key file: $LDAP_CERT_KEY"
  sudo -u $toolUser test -r "$LDAP_CERT" >>/dev/null 2>&1
-  endReturn -o $? "$toolUser cannot access certificate file: $LDAP_CERT"
+  endReturn "$toolUser cannot access certificate file: $LDAP_CERT"
  sudo -u $toolUser test -r "$LDAP_CERT_CA" >>/dev/null 2>&1
-  endReturn -o $? "$toolUser cannot access CA certificate file: $LDAP_CERT_CA"
+  endReturn "$toolUser cannot access CA certificate file: $LDAP_CERT_CA"

  local tempLdif=`eval "echo \"$sslSetup\""`
  exep "echo \"$tempLdif\" | ldapmodify -Y EXTERNAL -H ldapi:///"
@@ -208,7 +208,7 @@ step_102() {
  fi

  variable2Ldif add "$addUser"
-  endReturn -o $? "Adding user failed"
+  endReturn "Adding user failed"
 }
 userId=
 addUser="dn: uid=\$userId,\$LDAP_OU_USERS,\$LDAP_DC
@@ -235,10 +235,10 @@ step_103_alias() { echo "passwd"; }
 step_103() {
  shift
  if [ -n "${1:-}" ] ; then
-    echo " [I] Password operation for $1" 
+    info "Password operation for $1"
    userId="$1"
  elif [ ! -z $userId ] ; then
-    echo " [I] Password operation for $userId" 
+    info "Password operation for $userId"
  else
    error -e "No user id provided"
    return 1
@@ -253,9 +253,9 @@ step_105() {
  shift
  if [ -n "${1:-}" ] ; then
    userId="$1"
-    echo " [I] User operation for $userId" 
+    info "User operation for $userId"
  elif [ ! -z $userId ] ; then
-    echo " [I] User operation for $userId" 
+    info "User operation for $userId"
  else
    error -e "No user id provided"
    return 1
@@ -268,7 +268,7 @@ step_105() {

  variable2Ldif modify "$removeFromgroup"
  variable2Ldif modify "$add2group"
-  endReturn -o $? "Adding user to group failed"
+  endReturn "Adding user to group failed"
 }
 #remove empty member
 add2group="dn: cn=\$groupName,\$LDAP_OU_GROUPS,\$LDAP_DC
@@ -289,9 +289,9 @@ step_107() {
  shift
  if [ -n "${1:-}" ] ; then
    userId="$1"
-    echo " [I] User operation for $userId" 
+    info "User operation for $userId"
  elif [ ! -z $userId ] ; then
-    echo " [I] User operation for $userId" 
+    info "User operation for $userId"
  else
    error -e "No user id provided"
    return 1
@@ -354,7 +354,7 @@ step_200_options() { echo "<ADDITONAL ATTRIBUTES...>"; }
 step_200_alias() { echo "listgroups"; }
 step_200() {
  shift
-  echo " [I] Available groups:"
+  info "Available groups:"
  exe ldapsearch -x -LLL -H ldap:/// -b ${LDAP_OU_GROUPS},${LDAP_DC} dn gidNumber $*
 }

@@ -363,7 +363,7 @@ step_200_options() { echo "<ADDITONAL ATTRIBUTES...>"; }
 step_202_alias() { echo "listusers"; }
 step_202() {
  shift
-  echo " [I] Available user:"
+  info "Available user:"
  exe ldapsearch -x -LLL -H ldap:/// -b ${LDAP_OU_USERS},${LDAP_DC} dn uidNumber gidNumber $*
 }

--- a/seqs/librenms.sh
+++ b/seqs/librenms.sh
@@ -36,7 +36,7 @@ step_2_info() {
 }
 step_2() {
  exe apt install $libreDeps ${sq_aptOpt}
-  endReturn -o $? "Failed to install $toolName dependencies"
+  endReturn "Failed to install $toolName dependencies"
 }

 step_3_info() {
@@ -47,7 +47,7 @@ step_3_info() {
 step_3() {
  fetchPhpVersion
  exe apt install "${librePhpDeps[@]/#/php${phpVersion}-}" ${sq_aptOpt}
-  endReturn -o $? "Failed to install $toolName php dependencies"
+  endReturn "Failed to install $toolName php dependencies"
 }

 step_4_info() { echo "Adding $toolName user ($toolUser)"; }
@@ -67,7 +67,7 @@ step_5() {
 step_6_info() { echo "Installing $toolName using composer"; }
 step_6() {
  exe sudo -u librenms "${LNMS_DIR}/scripts/composer_wrapper.php" install --no-dev
-  endReturn -o $? "Failed to install php dependencies"
+  endReturn "Failed to install php dependencies"
 }

 step_10_info() { echo "Create mysql database for $toolName"; }
@@ -77,7 +77,7 @@ step_10() {
    libreDbOpt="-d $LNMS_DB_NAME"
  fi
  exe "${seq_origin}"/mysql.sh ${sqr_args} createdb --charset utf8 "$libreDbOpt"
-  endReturn -o $? "Failed to create mysql database $LNMS_DB_NAME"
+  endReturn "Failed to create mysql database $LNMS_DB_NAME"
 }

 step_11_info() { echo "MariaDB configuration"; }
--- a/seqs/matrix-commander.sh
+++ b/seqs/matrix-commander.sh
@@ -1,29 +1,17 @@
 #!/bin/bash

-toolName=matrix-commander
-toolCloneUrl='https://github.com/8go/matrix-commander.git'
-toolDeps="python3-pip python3-venv libolm-dev"
+readonly toolName=matrix-commander
+readonly toolCloneUrl='https://github.com/8go/matrix-commander.git'
+readonly toolDeps="python3-pip python3-venv libolm-dev"

 toolCredentialDir=
 toolEncStoreDir=

-# Get script working directory
-# (when called from a different directory)
-WDIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" >>/dev/null 2>&1 && pwd)"
-APTOPT=
-CONFIG=0
-SCRIPT_FILE=$(basename -- $0)
-SCRIPT_NAME=${SCRIPT_FILE%%.*}
-CONFIG_FILE_NAME="${SCRIPT_NAME}.cfg"
-CONFIG_FILE_TEMPLATE="$WDIR/${CONFIG_FILE_NAME}.example"
+sq_aptOpt=

 seq_config() {
  ## or to use sequencer api with global config file:
-  initSeqConfig "$CONFIG_FILE_NAME" "$CONFIG_FILE_TEMPLATE"
-
-  if [ $? -eq 0 ] ; then
-    CONFIG=1
-  else
+  if ! initSeqConfig "${seq_configName:?}" "${seq_configTemplate:?}" ; then
    # End if no configuration file exists
    dry || return -1
  fi
@@ -32,7 +20,7 @@ seq_config() {
  toolEncStoreDir="$MACO_BASE_DIR/.local/share/matrix-commander"

  ## Apt cmdline option to suppress user interaction
-  quiet && APTOPT="-y"
+  quiet && sq_aptOpt="-y"

  ## Return of non zero value will abort the sequence
  return 0
@@ -59,7 +47,7 @@ step_3() {
 step_50_info() { echo "Install $toolName dependencies"; }
 step_50_alias() { echo "install"; }
 step_50() {
-  apt install $toolDeps $APTOPT
+  apt install $toolDeps $sq_aptOpt
 }

 step_51_info() { echo "Add system user ${MACO_USER:-}"; }
@@ -75,7 +63,7 @@ step_52() {
  [ -e "$MACO_BASE_DIR" ] && endReturn -o 1 "$toolName already installed"

  exe python3 -m venv "$MACO_BASE_DIR"
-  endReturn -o $? "Creating virtual environment failed"
+  endReturn "Creating virtual environment failed"

  exe git clone $toolCloneUrl "$MACO_DIR"
  exe chown -R $MACO_USER: "$MACO_BASE_DIR"
@@ -140,5 +128,7 @@ credentials.json - $MACO_BASE_DIR/.config/matrix-commander/credentials.json
 NOTES_EOF
 }

+# shellcheck disable=SC2034 # Appears unused
 readonly sqr_minVersion=16
+# shellcheck disable=SC1091 # Don't follow this source
 . /usr/local/bin/sequencer.sh
--- a/seqs/matrix.sh
+++ b/seqs/matrix.sh
@@ -59,7 +59,7 @@ step_1_info() { echo "Installing $toolName dependencies"; }
 step_1_alias() { echo "install"; }
 step_1() {
  exe apt update
-  endReturn -o $? "Updating apt repositories failed"
+  endReturn "Updating apt repositories failed"

  if [ "$osName" != "Raspbian" ] ; then
    toolDepsRaspi=""
@@ -212,7 +212,7 @@ step_16_options() { echo "[OPTION] [IP]:8008"; }
 step_16_alias() { echo "listuser"; }
 step_16() {
  adminTokenCheck
-  endReturn -o $? "Admin token needed. Check $seq_configFile"
+  endReturn "Admin token needed. Check $seq_configFile"

  shift
  local synapseIP=localhost
@@ -279,7 +279,7 @@ step_22_options() { echo "[OPTION] [IP]:8008"; }
 step_22_alias() { echo "listrooms"; }
 step_22() {
  adminTokenCheck
-  endReturn -o $? "Admin token needed. Check $seq_configFile"
+  endReturn "Admin token needed. Check $seq_configFile"

  shift
  local arg
@@ -313,7 +313,7 @@ step_24_options() { echo "[OPTION] [ROOM ID] [IP]:8008"; }
 step_24_alias() { echo "listmember"; }
 step_24() {
  adminTokenCheck
-  endReturn -o $? "Admin token needed. Check $seq_configFile"
+  endReturn "Admin token needed. Check $seq_configFile"

  shift
  local roomId=""
@@ -351,7 +351,7 @@ step_26_options() { echo "[IP]:8008"; }
 step_26_alias() { echo "purge"; }
 step_26() {
  adminTokenCheck
-  endReturn -o $? "Admin token needed. Check $seq_configFile"
+  endReturn "Admin token needed. Check $seq_configFile"

  shift
  local i
@@ -378,7 +378,7 @@ step_28_options() { echo "<ROOM ID> [IP]:8008"; }
 step_28_alias() { echo "deleteroom"; }
 step_28() {
  adminTokenCheck
-  endReturn -o $? "Admin token needed. Check $seq_configFile"
+  endReturn "Admin token needed. Check $seq_configFile"

  shift
  local roomId=""
@@ -393,7 +393,7 @@ step_28() {

  [ -n "${1:-}" ] && synapseIP="$1"

-  echo " [I] Deleting room with ID: $roomId"
+  info "Deleting room with ID: $roomId"

  local apiCall="http://${synapseIP}:8008/_synapse/admin/v2/rooms/$roomId"
  exep "curl -sS --header \"Authorization: Bearer $MATRIX_ACCESS\" \
@@ -437,9 +437,9 @@ step_30() {
    postgresDb="$1"
  fi

-  echo " [I] Stopping ${toolServiceName}"
+  info "Stopping ${toolServiceName}"
  exe service ${toolServiceName} stop
-  endReturn -o $? "Couldn't stop ${toolServiceName}. Stopping debloat."
+  endReturn "Couldn't stop ${toolServiceName}. Stopping debloat."

  exe cd ~postgres
  exe su -c "psql -d ${postgresDb} -c \"REINDEX${pgVerboseReId}DATABASE ${postgresDb};\"" - postgres
--- a/seqs/matterbridge.sh
+++ b/seqs/matterbridge.sh
@@ -46,7 +46,7 @@ step_1_info() {
 step_1_alias() { echo "install"; }
 step_1() {
  step upgrade
-  endReturn -o $? "Download failed"
+  endReturn "Download failed"
 }

 step_2_info() { echo "Create required directory structure"; }
@@ -65,13 +65,13 @@ step_3() {
 step_4_info() { echo "Creating systemd service"; }
 step_4() {
  addConf -s "$toolService" "$toolServiceLoc"
-  endReturn -o $? "Creating service failed"
+  endReturn "Creating service failed"
 }

 step_5_info() { echo "Enable $toolName service"; }
 step_5() {
  exe systemctl enable ${toolName}
-  echo " [I] Before proceeding to run ${toolName} you need to modify ${toolConfigLoc} first"
+  info "Before proceeding to run ${toolName} you need to modify ${toolConfigLoc} first"
  echo
 }

@@ -122,7 +122,7 @@ step_12_alias() { echo "upgrade"; }
 step_12() {
  step backup
  exe wget -O "$toolLoc" "${toolDownload}"
-  endReturn -o $? "Download failed"
+  endReturn "Download failed"
  exe chmod +x "$toolLoc"
  exe service ${toolName} restart >>/dev/null 2>&1
  return 0
@@ -156,9 +156,9 @@ step_30() {
  if [ ! -e "${goDir}" ] ; then
    info "Download go${goVer}: ${goDownUrl}"
    exe wget -O "${goDownLoc}" "${goDownUrl}"
-    endReturn -o $? "Download ${goVer} failed"
+    endReturn "Download ${goVer} failed"
    exe tar -C "$(dirname -- "${goDir}")" -xzf "${goDownLoc}"
-    endReturn -o $? "Extraction ${goVer} failed"
+    endReturn "Extraction ${goVer} failed"
  fi
 }

--- a/seqs/mayan-edms.sh
+++ b/seqs/mayan-edms.sh
@@ -54,7 +54,7 @@ step_2() {
    graphviz libfuse2 libjpeg-dev libmagic1 libpq-dev libpng-dev libtiff-dev libldap2-dev libsasl2-dev \
    poppler-utils postgresql python3-dev python3-pip python3-venv python3-virtualenv \
    redis-server sane-utils supervisor tesseract-ocr tesseract-ocr-deu zlib1g-dev -y
-  endReturn -o $? "Binary dependencies installation failed"
+  endReturn "Binary dependencies installation failed"

  exe systemctl enable supervisor
  exe systemctl stop supervisor
@@ -65,7 +65,7 @@ step_3() {
  exe adduser --disabled-password --disabled-login --no-create-home --gecos "" mayan
  exe usermod -a -G users mayan
  exe python3 -m venv ${toolRoot}
-  endReturn -o $? "Creating virtual environment failed"
+  endReturn "Creating virtual environment failed"
  exe chown -R mayan:mayan ${toolRoot}
 }

@@ -86,9 +86,9 @@ step_5() {
  step upgradepip

  exe sudo -u mayan ${toolRoot}/bin/pip install --no-cache-dir mayan-edms=="${toolVersion}"
-  endReturn -o $? "pip install for $toolName failed"
+  endReturn "pip install for $toolName failed"
  exe sudo -u mayan ${toolRoot}/bin/pip install --no-cache-dir psycopg2==2.8.4 redis==3.4.1
-  endReturn -o $?
+  endReturn
 }

 step_6_info() { echo "Supervisord configuration for $toolName"; }
@@ -133,10 +133,10 @@ step_10() {
  step upgradepip
  exe curl -o "$uninstallRemovalsLoc" https://gitlab.com/mayan-edms/mayan-edms/raw/master/removals.txt
  exe sudo -u mayan ${toolRoot}/bin/pip uninstall -r "$uninstallRemovalsLoc"
-  endReturn -o $?
+  endReturn
  exe systemctl stop supervisor
  exe sudo -u mayan ${toolRoot}/bin/pip install --no-cache-dir mayan-edms=="${toolVersion}"
-  endReturn -o $?
+  endReturn
  toolScript performupgrade
  #toolScript preparestatic --noinput # only < 3.4
  case "${1:-}" in
@@ -178,7 +178,7 @@ step_20_alias() { echo "backupdb"; }
 step_20() {
  local DELYEAR=$(($(date +%Y)-2))
  if [ ! -s ~/.pgpass ] ; then
-    echo " [I] For unattended backup please define ~/.pgpass containing credentials for user mayan"
+    info "For unattended backup please define ~/.pgpass containing credentials for user mayan"
    echo "     e.g. localhost:5432:mayan:mayan:pass4mayan"
    echo "Backup custom pg format with standard user / database: mayan / mayan"
  fi
@@ -191,7 +191,7 @@ toolDbBackupFolder=${toolMediaFolder}/backupdb
 step_22_info() { echo "Postgres database restore"; }
 step_22_alias() { echo "restoredb"; }
 step_22() {
-  echo " [I] Postgres database restore procedure"
+  info "Postgres database restore procedure"
  echo "1. Create a empty postgres database first (step 4)"
  echo "2. psql -h <host> -U <database user> -d <database name> -W -f <sql dump file>"
  echo "   e.g.  psql -h 127.0.0.1 -U mayan -d mayan -W -f 2018-06-07_18-10-56.sql"
--- a/seqs/motioneye.sh
+++ b/seqs/motioneye.sh
@@ -39,7 +39,7 @@ seq_config() {
    SEQ_OSNAME="Ubuntu"
  fi

-  echo " [I] Detected OS: $SEQ_OSNAME $SEQ_DISTNAME"
+  info "Detected OS: $SEQ_OSNAME $SEQ_DISTNAME"
 }

 step_1_info() { echo "Install $toolName dependencies"; }
@@ -54,7 +54,7 @@ step_1() {
  fi

  exe apt update
-  endReturn -o $? "Updating apt repositories failed"
+  endReturn "Updating apt repositories failed"

  if quiet ; then
    aptOption="-y"
@@ -75,24 +75,24 @@ step_2() {
  fi

  if [ "$motionUrl" == "" ]; then
-    echo " [W] Unsupported OS"
+    warning "Unsupported OS"
    return 1
  fi

  exe wget -O "$motionDownload" $motionUrl
-  endReturn -o $? "Download motion failed"
+  endReturn "Download motion failed"
 }
 motionDownload="/tmp/motion.deb"

 step_3_info() { echo "Install downloaded motion version"; }
 step_3() {
  if [ ! -f "$motionDownload" ]; then
-    echo " [I] No downloaded motion found attempting download"
+    info "No downloaded motion found attempting download"
    step 2
  fi

  exe dpkg -i "$motionDownload"
-  endReturn -o $? "Installing motion failed"
+  endReturn "Installing motion failed"
 }

 step_4_info() { echo "Upgrade python pip"; }
@@ -100,13 +100,13 @@ step_4_alias() { echo "upgradepip"; }
 step_4()
 {
  exe pip install --upgrade pip
-  endReturn -o $? "Upgrading pip failed"
+  endReturn "Upgrading pip failed"
 }

 step_5_info() { echo "Install $toolName"; }
 step_5() {
  exe pip install motioneye
-  endReturn -o $? "Installing $toolName failed"
+  endReturn "Installing $toolName failed"
 }

 step_6_info() { echo "Prepare configuration directory $toolCfgDir"; }
@@ -129,7 +129,7 @@ motioneyeMediaDir="/var/lib/motioneye"
 step_8_info() { echo "Create $toolName service"; }
 step_8() {
  exe cp "$motioneyeServiceSource" "$motioneyeServiceTarget"
-  endReturn -o $? "Creating service failed"
+  endReturn "Creating service failed"
  exe systemctl daemon-reload
  exe systemctl enable motioneye
  exe systemctl start motioneye
@@ -142,7 +142,7 @@ step_20_alias() { echo "upgrade"; }
 step_20() {
  step "upgradepip"
  exe pip install motioneye --upgrade
-  endReturn -o $? "Upgrading $toolName failed"
+  endReturn "Upgrading $toolName failed"
  exe systemctl restart motioneye
 }

--- a/seqs/mysql.sh
+++ b/seqs/mysql.sh
@@ -31,7 +31,7 @@ step_6_alias() { echo install; }
 step_6() {
  exe apt update
  exe apt install $databasePackages
-  endReturn -o $? "Error instaling $databaseName"
+  endReturn "Error instaling $databaseName"
 }

 step_7_info() { echo "Secure ${databaseName} installation"; }
@@ -105,14 +105,14 @@ step_10() {
  esac

  if [ -z "$dbName" ] ; then
-    echo " [I] Existing mysql databases:"
+    info "Existing mysql databases:"
    exe mysql -u root -e 'SHOW DATABASES;'

    read -p "Enter database name: " dbName
  fi
  endIfEmpty dbName "database name"
  exe mysql -u root -e 'CREATE DATABASE '$dbName' '"$dbOption"';'
-  endReturn -o $? "Cannot create database $dbName"
+  endReturn "Cannot create database $dbName"
 }

 step_11_info() {
@@ -148,7 +148,7 @@ step_11() {
  done

  if [ -z "$dbUser" ] ; then
-    echo " [I] Existing mysql user:"
+    info "Existing mysql user:"
    exe mysql -u root -e 'SELECT User, Host FROM mysql.user;'
    read -p "Enter mysql user name: " dbUser
  fi
@@ -163,7 +163,7 @@ step_11() {
      info "Enter mysql password: ...skipped..."
    fi
    exe mysql -u root -e 'CREATE USER '"'"$dbUser"'"'@'"'"$dbRemote"'"' IDENTIFIED BY '"'"$dbPass"'"';'
-    endReturn -o $? "Error creating mysql user"
+    endReturn "Error creating mysql user"
  fi
 }

@@ -200,7 +200,7 @@ step_12() {
  done

  exe mysql -u root -e 'GRANT ALL PRIVILEGES ON '$dbName'.* TO '"'"$dbUser"'"'@'"'"$dbRemote"'"';'
-  endReturn -o $? "Error assigning privileges on database"
+  endReturn "Error assigning privileges on database"

  exe mysql -u root -e 'FLUSH PRIVILEGES;'
 }
@@ -231,7 +231,7 @@ step_14() {
  done

  exe mysql -u root -e 'REVOKE ALL, GRANT OPTION FROM '"'"$dbUser"'"'@'"'"$dbRemote"'"';'
-  endReturn -o $? "Error revoking privileges for user $dbUser"
+  endReturn "Error revoking privileges for user $dbUser"

  exe mysql -u root -e 'FLUSH PRIVILEGES;'
 }
@@ -311,9 +311,9 @@ step_50() {
    endReturn -o 1 -f "${2:-} does not exist"
  fi

-  echo " [I] Dumping database $dbName to $buTarget"
+  info "Dumping database $dbName to $buTarget"
  exep "mysqldump --single-transaction $dbName > \"$(realpath $buTarget)/${dbName}_backup_$(date +%Y%m%d-%H%M%S).sql\""
-  endReturn -o $? "Error creating $dbName backup"
+  endReturn "Error creating $dbName backup"
 }

 step_52_info() { echo "Restore a mysql database"; }
--- a/seqs/nextcloud.sh
+++ b/seqs/nextcloud.sh
@@ -57,7 +57,7 @@ step_102() {
  if [ -z $1 ] ; then
    error -e "No database provided"
    if [ -f "${seq_origin}/mysql.sh" ] ; then
-      echo " [I] Available mysql databases:"
+      info "Available mysql databases:"
      "${seq_origin}/mysql.sh" -qq listdb
    fi
    return 1
@@ -73,7 +73,7 @@ step_102() {
  fi

  exe mysql -u root -D ${ncdb} -e 'delete FROM oc_bruteforce_attempts WHERE IP="'${ip}'";'
-  endReturn -o $? "Error deleting ip $ip"
+  endReturn "Error deleting ip $ip"
 }

 step_104_info() { echo "Reset and rescan the music library in the background for one user"; }
--- a/seqs/nginx.sh
+++ b/seqs/nginx.sh
@@ -63,7 +63,7 @@ step_11_alias() { echo "install"; }
 step_11() {
  exe apt update
  exe apt install ${sq_toolDeps} ${sq_aptOpt:-}
-  endReturn -o $? "Failed to install ${toolName}"
+  endReturn "Failed to install ${toolName}"
 }

 step_12_info() {
--- a/seqs/olivetin.sh
+++ b/seqs/olivetin.sh
@@ -63,9 +63,9 @@ downloadLatest() {
  if [ ! -e "$tempInstall" ] ; then
    exe mkdir -p "$tempDown"
    exe wget -O "$tempInstall" $downUrl
-    endReturn -o $? "Download failed: $downUrl"
+    endReturn "Download failed: $downUrl"
  else
-    echo " [I] Found existing download: $tempInstall"
+    info "Found existing download: $tempInstall"
  fi
 }
 tempDown="/tmp/olivetin"
--- a/seqs/onlyoffice.sh
+++ b/seqs/onlyoffice.sh
@@ -56,7 +56,7 @@ step_1_alias() { echo "install"; }
 step_1() {
  exe apt update
  exe apt install $dockerDeps $APTOPT
-  endReturn -o $? "Docker dependencies installation failed"
+  endReturn "Docker dependencies installation failed"
 }

 step_2_info() { echo "Install Docker repository"; }
@@ -66,9 +66,9 @@ step_2() {

  # Add stable repository
  exe add-apt-repository "deb [arch=amd64] ${dockerRepoUrl} $(lsb_release -cs) stable"
-  endReturn -o $? "Failed to add Docker repository"
+  endReturn "Failed to add Docker repository"
  exe apt update
-  endReturn -o $? "Docker repository not available"
+  endReturn "Docker repository not available"
 }

 step_3_info() { echo "Install latest Docker version"; }
@@ -81,7 +81,7 @@ step_3() {
  fi
  exe apt install $dockerPackages $aptOption

-  echo " [I] You may test the installation by running:"
+  info "You may test the installation by running:"
  echo "     sudo docker run hello-world"
 }

@@ -143,7 +143,7 @@ step_7() {
    warning -e "No $toolName Docker container found"
  fi
  exe docker pull $dockerImageName
-  endReturn -o $? "Error getting $toolName Docker update"
+  endReturn "Error getting $toolName Docker update"

  step startoo
 }
@@ -153,7 +153,7 @@ step_10_alias() { echo "ls"; }
 step_10() {
  exe docker container ls
  echo
-  echo " [I] To stop a container run:"
+  info "To stop a container run:"
  echo "     docker stop [CONTAINER ID]"
  echo "     e.g.: docker stop 70f1c5c81be2"
 }
--- a/seqs/openvpn.sh
+++ b/seqs/openvpn.sh
@@ -1,36 +1,14 @@
 #!/bin/bash

-toolName=openvpn
-toolDeps=openvpn
-toolDefaultConf="/etc/default/openvpn"
-toolUserScriptsLoc="/usr/lib/openvpn"
+readonly toolName=openvpn
+readonly toolDeps=openvpn
+readonly toolDefaultConf="/etc/default/openvpn"
+readonly toolUserScriptsLoc="/usr/lib/openvpn"

-# Get script working directory
-# (when called from a different directory)
-WDIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" >>/dev/null 2>&1 && pwd)"
-APTOPT=
-CONFIG=0
-SCRIPT_FILE=$(basename -- $0)
-SCRIPT_NAME=${SCRIPT_FILE%%.*}
-CONFIG_FILE_NAME="${SCRIPT_NAME}.cfg"
-CONFIG_FILE_TEMPLATE="$WDIR/${CONFIG_FILE_NAME}.example"
-CONFIG_DIR="$WDIR/$SCRIPT_NAME"
+sq_aptOpt=

 seq_config() {
-  #echo "Called once before executing steps."
-  ## e.g. to source a config file manually:
-  #. "$CONFIG_FILE"
-  ## or to use sequencer api with global config file:
-  #initSeqConfig "$CONFIG_FILE_NAME" "$CONFIG_FILE_TEMPLATE"
-  ## or to use sequencer api with profile config file support:
-  #initSeqConfig -p "$SCRIPT_NAME" "$CONFIG_FILE_TEMPLATE"
-  #if [ $? -eq 0 ] ; then
-  #  CONFIG=1
-  #else
-  #  # End if no configuration file exists
-  #  dry || return -1
-  #fi
-  quiet && APTOPT="-y"
+  interactive || sq_aptOpt="-y"
  return 0
 }

@@ -38,7 +16,7 @@ step_1_info() { echo "Install $toolName"; }
 step_1_alias() { echo "install"; }
 step_1() {
  exe apt update
-  exe apt install $toolDeps $APTOPT
+  exe apt install $toolDeps $sq_aptOpt
 }

 step_2_info() { echo "Install customized helper scripts to $toolUserScriptsLoc"; }
@@ -46,7 +24,7 @@ step_2() {
  exep "mkdir \"$toolUserScriptsLoc\" 2>>/dev/null"
  [ $? -ne 0 ] && \
    warning "$toolUserScriptsLoc already exists. Not overwriting existing files."
-  exe cp -n "$CONFIG_DIR"/* "$toolUserScriptsLoc"
+  exe cp -n "${seq_origin}/${seq_fileName}"/* "$toolUserScriptsLoc"
 }

 step_10_info() { echo "Open openvpn system start configuration"; }
@@ -55,5 +33,7 @@ step_10() {
  exe vi "$toolDefaultConf"
 }

+# shellcheck disable=SC2034 # Appears unused
 readonly sqr_minVersion=16
+# shellcheck disable=SC1091 # Don't follow this source
 . /usr/local/bin/sequencer.sh
--- a/seqs/paperless-venv.sh
+++ b/seqs/paperless-venv.sh
@@ -127,7 +127,7 @@ step_12() {
    fi
  fi
  exe wget ${downUrl} -q -O "${sq_paperlessDownLoc}"
-  endReturn -o $? "Download failed"
+  endReturn "Download failed"

  if [ -e "${sc_paperlessDir}" ] ; then
    if step backup --nostart; then
@@ -194,12 +194,12 @@ step_19_alias() { echo 'nltk'; }
 step_19() {
  info 'Installing nltk'
  exe "${sc_paperlessVenv}/bin/pip3" install -U nltk
-  endReturn -o $? "Failed to install nlkt"
+  endReturn "Failed to install nlkt"

  exe cd "${sc_paperlessHome}/data"
  exe mkdir -p "nltk"
  exe "${sc_paperlessVenv}/bin/python3" -m nltk.downloader -d ./nltk/ snowball_data stopwords punkt
-  endReturn -o $? "Failed to install nlkt modules snowball stopwords punkt"
+  endReturn "Failed to install nlkt modules snowball stopwords punkt"

  step service restart
 }
--- a/seqs/paperless.sh
+++ b/seqs/paperless.sh
@@ -126,7 +126,7 @@ step_12() {
    fi
  fi
  exe wget ${downUrl} -q -O "${sq_paperlessDownLoc}"
-  endReturn -o $? "Download failed"
+  endReturn "Download failed"

  if [ -e "${sc_paperlessDir}" ] ; then
    if step backup --nostart; then
--- a/seqs/pixelfed.sh
+++ b/seqs/pixelfed.sh
@@ -44,9 +44,9 @@ step_1() {
 step_2_info() { echo -e "Installing $toolName dependencies"; }
 step_2() {
  exe apt install "${toolPhpDeps[@]/#/${sq_phpName}-}" $toolDeps ${sq_aptOpt}
-  endReturn -o $? "Installing deps for $toolName failed"
+  endReturn "Installing deps for $toolName failed"
  exe service ${sq_phpName}-fpm restart
-  endReturn -o $? "Problems starting $toolName"
+  endReturn "Problems starting $toolName"
 }

 step_3_info() { echo -e "Get $toolName using git"; }
@@ -63,7 +63,7 @@ step_4() {
  exe cd "${toolPath:?}"
  exe ${seq_origin:?}/composer.sh -qq install
  exe sudo -u www-data ${sq_phpName:?} composer.phar install --no-ansi --no-interaction --optimize-autoloader
-  endReturn -o $? "Composer install error"
+  endReturn "Composer install error"
 }

 step_5_info() { echo "Create mysql database for $toolName"; }
@@ -97,7 +97,7 @@ step_7() {
 step_8_info() { echo "Create pixelfed (horzion) service"; }
 step_8() {
  addConf -c "${horizonService}" "${horizonServiceLoc}"
-  endReturn -o $? "Failed to add horizon service"
+  endReturn "Failed to add horizon service"
  exe systemctl daemon-reload
  exe systemctl enable pixelfed.service
  exe service pixelfed start
@@ -149,7 +149,7 @@ step_10() {
  addConf -c "$lNginxConfig" "$nginxConfigLoc"
  exe ln -s "$nginxConfigLoc" "$nginxConfigEnable"
  exe nginx -t
-  endReturn -o $? "Nginx configuration check error"
+  endReturn "Nginx configuration check error"
  exe service nginx restart
 }

@@ -247,9 +247,9 @@ step_100_alias() { echo "upgrade"; }
 step_100() {
  exe cd ${toolPath:?}
  exe git pull origin $toolTag
-  endReturn -o $? "git pull failed"
+  endReturn "git pull failed"
  exe git checkout $toolTag
-  endReturn -o $? "git checkout failed"
+  endReturn "git checkout failed"
 }

 step_101_info() { echo "Recommended post update procedure"; }
--- a/seqs/postfixadmin.sh
+++ b/seqs/postfixadmin.sh
@@ -53,7 +53,7 @@ step_3_info() { echo "Install fetchmail"; }
 step_3_alias() { echo "install_fetchmail"; }
 step_3() {
  exe apt install $fetchmailDeps ${sq_aptOpt:-}
-  endReturn -o $? "Failed to install fetchmail"
+  endReturn "Failed to install fetchmail"
  exe systemctl stop fetchmail
  exe systemctl disable fetchmail
 }
@@ -69,7 +69,7 @@ step_4() {
  echo "  [$toolAdditionsLoc/fetchmail.pl]"
  echo "   # Change path to fetchmail.conf (see above)"
  echo
-  echo " [I] Run step \"timer\" when configuration is done"
+  info "Run step \"timer\" when configuration is done"
 }

 step_6_info() {
@@ -153,10 +153,10 @@ step_18() {

  isInstalled=$(grep -E "${latestVersion}" "${PFA_WEB_LOC}/version" >>/dev/null 2>&1 && echo "1" || echo "0")
  if [ $isInstalled -eq 1 ] ; then
-    echo " [I] Version $latestVersion is already installed"
+    info "Version $latestVersion is already installed"
    return 1
  else
-    echo " [I] Update to $latestVersion available"
+    info "Update to $latestVersion available"
  fi
  return 0
 }
@@ -189,7 +189,7 @@ step_20() {
  fi

  local srvBackup="$PFA_BACKUP/${toolName}_`date +%Y%m%d-%H%M%S`.tar.gz"
-  echo " [I] Backing up server directory to $srvBackup"
+  info "Backing up server directory to $srvBackup"
  exe cd "$tempRoot/.."
  exe tar czf "$srvBackup" $(basename "$tempRoot")

@@ -252,12 +252,12 @@ step_22() {
  if [ ! -e "$tempExtract" ] ; then
    exe mkdir -p "$tempDown"
    exe wget -O "$tempLoc" $downUrl
-    endReturn -o $? "Download failed: $downUrl"
+    endReturn "Download failed: $downUrl"
    exe cd "$tempDown"
    exe tar -xf "$tempLoc"
-    endReturn -o $? "Extract failed: $tempLoc"
+    endReturn "Extract failed: $tempLoc"
  else
-    echo " [I] Found existing download: $tempExtract"
+    info "Found existing download: $tempExtract"
  fi

  # Installation
@@ -266,12 +266,12 @@ step_22() {
  if [ -e "$PFA_SRV_LOC" ] ; then
    exe mv "$PFA_SRV_LOC" "$tempBu"
    step backup "$tempBu"
-    endReturn -o $? "Backup failed; $PFA_SRV_LOC renamed!"
+    endReturn "Backup failed; $PFA_SRV_LOC renamed!"
  fi
-  echo " [I] Installing version $latestVersion to $PFA_SRV_LOC"
+  info "Installing version $latestVersion to $PFA_SRV_LOC"
  exe cp -ar "$tempExtract" "$PFA_SRV_LOC"
  exe mkdir -p $(dirname "$PFA_WEB_LOC")
-  echo " [I] Create symlink to $PFA_WEB_LOC"
+  info "Create symlink to $PFA_WEB_LOC"
  exe ln -fs "$PFA_SRV_LOC/public" "$PFA_WEB_LOC"

  # Setting file permissions
@@ -280,20 +280,20 @@ step_22() {
  # Configuration
  local webConf="$tempBu/$toolConfName"
  if [ -e "$webConf" ] ; then
-    echo " [I] Copying configuration"
+    info "Copying configuration"
    exe cp -ar "$webConf" "$PFA_SRV_LOC/"
  else
-    echo " [I] Creating empty configuration file $PFA_SRV_LOC/$toolConfName"
+    info "Creating empty configuration file $PFA_SRV_LOC/$toolConfName"
    exep "echo -e \"# Created by ${seq_origin:?}/$(basename $0)\\n\\n# Changeme\" > \"$PFA_SRV_LOC/$toolConfName\""
  fi

  # Templates
  local templatesLoc="$tempBu/$toolTemplates"
  if [ -e "$templatesLoc" ] ; then
-    echo " [I] Copying $toolTemplates"
+    info "Copying $toolTemplates"
    exe cp -ar "$templatesLoc" "$toolTemplatesLoc"
  else
-    echo " [I] Creating empty directory $toolTemplatesLoc"
+    info "Creating empty directory $toolTemplatesLoc"
    exe mkdir -p "$toolTemplatesLoc"
    exe chown -R www-data: "$toolTemplatesLoc"
  fi
--- a/seqs/postgres.sh
+++ b/seqs/postgres.sh
@@ -62,7 +62,7 @@ step_11_info() { echo "Installing $toolName dependencies"; }
 step_11_alias() { echo "install"; }
 step_11() {
  exe apt update
-  endReturn -o $? "Updating apt repositories failed"
+  endReturn "Updating apt repositories failed"
  exe apt install $toolDeps ${sq_aptOpt}
 }

@@ -137,7 +137,7 @@ step_40() {
    dbname="$postgresDb"
  fi
  #if [ ! -s ~/.pgpass ] ; then
-  #  echo " [I] For unattended backup please define ~/.pgpass containing credentials"
+  #  info "For unattended backup please define ~/.pgpass containing credentials"
  #  echo "     e.g. localhost:5432:database:user:pass"
  #fi
  # -Fc  custom format
@@ -150,7 +150,7 @@ step_40() {
 step_42_info() { echo "Postgres database restore"; }
 step_42_alias() { echo "restoredb"; }
 step_42() {
-  echo " [I] Postgres database restore procedure"
+  info "Postgres database restore procedure"
  echo "1. Create a empty postgres database first (step 4)"
  echo "2. psql -h <host> -U <database user> -d <database name> -W -f <sql dump file>"
  echo "   e.g.  psql -h 127.0.0.1 -U synapse -d synapse -W -f 2018-06-07_18-10-56.sql"
--- a/seqs/pyload.sh
+++ b/seqs/pyload.sh
@@ -76,7 +76,7 @@ step_3() {
 step_4_info() { echo "Get $toolName from $toolDownload and create dedicated user"; }
 step_4() {
  exe git clone -b $toolBranch $toolDownload "$PYL_INSTALL_DIR"
-  endReturn -o $? "Git clone failed"
+  endReturn "Git clone failed"
  exe adduser --system --home "$PYL_CONFIG_DIR" "$PYL_USER"
 }

@@ -121,7 +121,7 @@ step_10() {
  exe service $toolName stop
  exe cd "$PYL_INSTALL_DIR"
  exe git pull
-  echo " [I] Service is not started automatically"
+  info "Service is not started automatically"
  echo "     Do so manually with: service $toolName start"
 }

--- a/seqs/raspberry.sh
+++ b/seqs/raspberry.sh
@@ -99,7 +99,7 @@ step_1() {
  fi
  if [ ! -f "$downImgLoc" ] ; then
    exe unxz "$downLoc"
-    endReturn -o $? "Unzip raspios image $PIARCH failed"
+    endReturn "Unzip raspios image $PIARCH failed"
  fi
 }
 downDay=$(date +%Y%m%d)
@@ -186,7 +186,7 @@ step_3() {
  fi

  read_sd_dev "${1:-}"
-  endReturn -o $? "SD card device not found"
+  endReturn "SD card device not found"

  if [ ! -w "$SDBOOT" ] ; then
    error -e "SD card boot partion not writeable"
@@ -232,13 +232,13 @@ step_4() {
  shift; local lArgs=( "$@" ); evalArgs "${lArgs[@]}"; shift $?

  read_sd_dev "${1:-}"
-  endReturn -o $? "SD detection error $?"
+  endReturn "SD detection error $?"
  read_hd_dev "${2:-}"
-  endReturn -o $? "HD detection error"
-  echo " [I] SD: $SDDEV" 
+  endReturn "HD detection error"
+  info "SD: $SDDEV"
  echo "         $SDBOOT [$SDBOOTPUUID]"
  echo "         $SDROOT [$SDROOTPUUID]"
-  echo " [I] HD: $HDDEV" 
+  info "HD: $HDDEV"
  echo "         $HDROOT [$HDROOTPUUID]"
  echo "         $HDSWAP [$HDSWAPPUUID]"
  echo
@@ -270,7 +270,7 @@ step_4() {
  echo

  # Resize second partition of SD to max. possible size
-  echo " [I] Resize root partion of SD: ${SDROOT} "
+  info "Resize root partion of SD: ${SDROOT} "
  step resizesd "$SDDEV"
  if [ $? -ne 0 ] ; then
    warning -e "Something seems to have failed during resize"
@@ -306,30 +306,30 @@ step_5() {
  error -e "Not ready yet...TODO"
  #return 1
  read_sd_dev "${1:-}"
-  endReturn -o $? "SD detection error $?"
+  endReturn "SD detection error $?"

  read_hd_dev "${2:-}"
-  endReturn -o $? "HD detection error"
-  echo " [I] SD: $SDDEV" 
+  endReturn "HD detection error"
+  info "SD: $SDDEV"
  echo "         $SDBOOT [$SDBOOTPUUID]"
  echo "         $SDROOT [$SDROOTPUUID]"
-  echo " [I] HD: $HDDEV" 
+  info "HD: $HDDEV"
  echo "         $HDROOT [$HDROOTPUUID]"
  echo "         $HDSWAP [$HDSWAPPUUID]"
  echo

  # TODO how to partition HD
-  echo " [I] $HDDEV is expected to be partitioned with root and swap"
+  info "$HDDEV is expected to be partitioned with root and swap"
  echo "     TODO create a step for partitioning script support?!"
  echo

  # Initial rsync of system to HD
-  echo " [I] Clone SD root to HD root:"
+  info "Clone SD root to HD root:"
  echo "     rsync -avxHAX --numeric-ids --info=stats2 $SDROOT/ $HDROOT/"
  echo

  # Modify fstab on HD for root and swap on HD
-  echo " [I] modify $HDROOT/etc/fstab"
+  info "modify $HDROOT/etc/fstab"
  echo "     PARTUUID=$SDBOOTPUUID /boot   vfat ro,defaults         0 2"
  echo "     PARTUUID=$SDROOTPUUID /backup ext4 ro,defaults,noatime 0 2"
  echo "     PARTUUID=$HDROOTPUUID /       ext4 defaults,noatime    0 1"
@@ -337,7 +337,7 @@ step_5() {
  echo

  # etc
-  echo " [I] modify $HDROOT/etc/dhcpcd.conf for static IPs"
+  info "modify $HDROOT/etc/dhcpcd.conf for static IPs"
 }

 read_sd_dev() {
@@ -356,7 +356,7 @@ read_sd_dev() {
    SDROOTDEV=
    SDBOOTPUUID=
    SDROOTPUUID=
-    echo " [I] Available devices:"
+    info "Available devices:"
    echo
    exe lsblk -p
    echo
@@ -403,7 +403,7 @@ read_hd_dev() {
    HDROOT=
    HDROOTPUUID=
    HDSWAPPUUID=
-    echo " [I] Available devices:"
+    info "Available devices:"
    echo
    exe lsblk -p
    echo
@@ -462,7 +462,7 @@ step_22() {
    error -e "No SD found"
    return 1
  fi
-  echo " [I] Device to be resized: $SDROOTDEV"
+  info "Device to be resized: $SDROOTDEV"

  exe umount -q "$SDROOT"
  exe parted -s "$SDDEV" "resizepart $SDROOTPARTNO -1" quit
@@ -493,7 +493,7 @@ step_24() {
  if [ ! -z "$2" ] && [ "$2" == "-p" ] ; then
    exep "grep \"$ledPowerBright\" $startScript >>/dev/null"
    if [ $? -eq 0 ] ; then
-      echo " [I] Power LED brightness already used. Please check $startScript manually for:"
+      info "Power LED brightness already used. Please check $startScript manually for:"
      echo "     $ledOffCmd"
      return 1
    fi
@@ -564,7 +564,7 @@ step_34() {
  exe $tvserviceOffCmd
  exep "grep \"$tvserviceBin\" $startScript >>/dev/null"
  if [ $? -eq 0 ] ; then
-    echo " [I] Tvservice already used. Please check $startScript manually for:"
+    info "Tvservice already used. Please check $startScript manually for:"
    echo "     $tvserviceOffCmd"
    return 1
  fi
--- a/seqs/redis.sh
+++ b/seqs/redis.sh
@@ -1,34 +1,26 @@
 #!/bin/bash

-toolName=redis
-toolDeps=redis-server
-
-# Get script working directory
-# (when called from a different directory)
-WDIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" >>/dev/null 2>&1 && pwd)"
-CONFIG=0
-SCRIPT_NAME=$(basename -- $0)
-SCRIPT_NAME=${SCRIPT_NAME%%.*}
-CONFIG_FILE_NAME="${SCRIPT_NAME}.cfg"
-CONFIG_FILE_TEMPLATE="$WDIR/${CONFIG_FILE_NAME}.example"
+readonly toolName=redis
+readonly toolDeps=redis-server
+sq_aptOpt=

 seq_config() {
-  initSeqConfig "$CONFIG_FILE_NAME" "$CONFIG_FILE_TEMPLATE"
-  if [ $? -eq 0 ] ; then
-    CONFIG=1
+  if ! initSeqConfig "${seq_configName:?}" "${seq_configTemplate:?}" ; then
+    # End if no configuration file exists
+    dry || return 1
  fi
+
+  ## Apt cmdline option to suppress user interaction
+  interactive || sq_aptOpt="-y"
+
+  return 0
 }

 step_1_info() { echo "Install $toolName"; }
 step_1_alias() { echo "install"; }
 step_1() {
-  local aptOpt=
-  if quiet;then
-    aptOpt="-y"
-  fi
-
  exe apt update
-  exe apt install $toolDeps $aptOpt
+  exe apt install $toolDeps $sq_aptOpt
 }

 step_2_info() { echo "Installation notes"; }
@@ -82,5 +74,7 @@ step_10() {
  fi
 }

+# shellcheck disable=SC2034 # Appears unused
 readonly sqr_minVersion=16
+# shellcheck disable=SC1091 # Don't follow this source
 . /usr/local/bin/sequencer.sh
--- a/seqs/roundcube.sh
+++ b/seqs/roundcube.sh
@@ -66,7 +66,7 @@ step_2() {
 step_3_info() { echo "Configure $toolName"; }
 step_3_alias() { echo "config"; }
 step_3() {
-  echo " [I] Recommended composer packages to be added to \"require\" section:"
+  info "Recommended composer packages to be added to \"require\" section:"
  echo '      "alexandregz/twofactor_gauthenticator": "dev-master",'
  echo '      "johndoh/contextmenu": "*",'
  echo '      "kitist/html5_notifier": "*",'
@@ -76,12 +76,12 @@ step_3() {
  exe vi "$RC_LOC/composer.json"
  step postupgrade

-  echo " [I] Generating mysql database $RC_DATABASE"
+  info "Generating mysql database $RC_DATABASE"
  echo
  exe ${seq_origin:?}/mysql.sh createdb -c utf8mb4

  echo
-  echo " [I] Now visit: http://url-to-roundcube/installer/"
+  info "Now visit: http://url-to-roundcube/installer/"
  echo
  echo "     ! Check the database password in $RC_LOC/config/config.inc.php"
  echo "       afterwards, the installer may have corrupted some special character"
@@ -151,7 +151,7 @@ step_20() {
  fi
  exe ${seq_origin:?}/mysql.sh -qq backup "$RC_DATABASE" "$RC_BACKUP"
  local wwwBackup="$RC_BACKUP/${toolName}_www_`date +%Y%m%d-%H%M%S`.tar.gz"
-  echo " [I] Backing up webserver directory to $wwwBackup"
+  info "Backing up webserver directory to $wwwBackup"
  exe cd "$RC_LOC/.."
  exe tar czf "$wwwBackup" $(basename "$RC_LOC")
 }
@@ -195,16 +195,16 @@ step_22() {
  downloadLatest

  step backup
-  echo " [I] Installing version $latestVersion to $RC_LOC"
+  info "Installing version $latestVersion to $RC_LOC"
  exe "$tempInstall" "$RC_LOC"
-  echo " [I] Make sure to check composer.json-dist file for upstream changes"
+  info "Make sure to check composer.json-dist file for upstream changes"
 }

 step_23_info() { echo "Post upgrade procedure"; }
 step_23_alias() { echo "postupgrade"; }
 step_23() {
  exe cd "$RC_LOC"
-  echo " [I] Starting post update procedure"
+  info "Starting post update procedure"
  exe php composer.phar update --no-dev
 }

@@ -233,12 +233,12 @@ downloadLatest() {
  if [ ! -e "$tempExtract" ] ; then
    exe mkdir -p "$tempDown"
    exe wget -O "$tempLoc" $downUrl
-    endReturn -o $? "Download failed: $downUrl"
+    endReturn "Download failed: $downUrl"
    exe cd "$tempDown"
    exe tar -xf "$tempLoc"
-    endReturn -o $? "Extract failed: $tempLoc"
+    endReturn "Extract failed: $tempLoc"
  else
-    echo " [I] Found existing download: $tempExtract"
+    info "Found existing download: $tempExtract"
  fi
 }
 tempDown="/tmp/roundcube"
--- a/seqs/rsyslog.sh
+++ b/seqs/rsyslog.sh
@@ -5,16 +5,13 @@
 # source:
 # - https://selivan.github.io/2017/02/07/rsyslog-log-forward-save-filename-handle-multi-line-failover.html

-toolName="rsyslog"
-toolConfig="/etc/rsyslog.conf"
+readonly toolName="rsyslog"
+readonly toolConfig="/etc/rsyslog.conf"

-# Get script working directory
-# (when called from a different directory)
-WDIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" >>/dev/null 2>&1 && pwd )"
-CONFIG_SNMP="$WDIR/${toolName}/10-snmp.conf"
-CONFIG_CRON="$WDIR/${toolName}/10-cron.conf"
-CONFIG_RNGD="$WDIR/${toolName}/10-rngd.conf"
-CONFIG_REMOTE="$WDIR/${toolName}/90-remote.conf"
+CONFIG_SNMP="${seq_origin}/${toolName}/10-snmp.conf"
+CONFIG_CRON="${seq_origin}/${toolName}/10-cron.conf"
+CONFIG_RNGD="${seq_origin}/${toolName}/10-rngd.conf"
+CONFIG_REMOTE="${seq_origin}/${toolName}/90-remote.conf"

 step_1_info() { echo "Install $toolName"; }
 step_1_alias() { echo "install"; }
@@ -27,14 +24,14 @@ step_2_info() { echo "Check configuration"; }
 step_2_alias() { echo "checkconf"; }
 step_2() {
  exe rsyslogd -N 1 -f "$toolConfig"
-  endReturn -o $? "Invalid $toolName configuration"
+  endReturn "Invalid $toolName configuration"
 }

 step_10_info() { echo "Reduce snmpd syslog messages"; }
 step_10_alias() { echo "snmpd"; }
 step_10() {
  addConf -s -f "$CONFIG_SNMP" "$CONFIG_SNMP_DEST"
-  endReturn -o $?
+  endReturn

  step checkconf
  exe service rsyslog restart
@@ -45,7 +42,7 @@ step_12_info() { echo "Reduce cron syslog messages"; }
 step_12_alias() { echo "cron"; }
 step_12() {
  addConf -s -f "$CONFIG_CRON" "$CONFIG_CRON_DEST"
-  endReturn -o $?
+  endReturn

  step checkconf
  exe service rsyslog restart
@@ -56,7 +53,7 @@ step_14_info() { echo "Reduce rngd syslog messages"; }
 step_14_alias() { echo "rngd"; }
 step_14() {
  addConf -s -f "$CONFIG_RNGD" "$CONFIG_RNGD_DEST"
-  endReturn -o $?
+  endReturn

  step checkconf
  exe service rsyslog restart
@@ -77,9 +74,9 @@ step_16() {
    return 1
  fi
  addConf -s -f "$CONFIG_REMOTE" "$CONFIG_REMOTE_DEST"
-  endReturn -o $? "Custom remote host $remoteHost not applied to destination or check ${sqr_missingConf:-}"
+  endReturn "Custom remote host $remoteHost not applied to destination or check ${sqr_missingConf:-}"
  exe sed -i "s/12\.34\.56\.78\:514/${remoteHost}/" "$CONFIG_REMOTE_DEST"
-  endReturn -o $? "Couldn't apply $remoteHost to $CONFIG_REMOTE_DEST"
+  endReturn "Couldn't apply $remoteHost to $CONFIG_REMOTE_DEST"

  step checkconf
  exe service rsyslog restart
@@ -104,5 +101,7 @@ step_30() {
 SERVER_EOF
 }

+# shellcheck disable=SC2034 # Appears unused
 readonly sqr_minVersion=16
+# shellcheck disable=SC1091 # Don't follow this source
 . /usr/local/bin/sequencer.sh
--- a/seqs/snmp.sh
+++ b/seqs/snmp.sh
@@ -25,7 +25,7 @@ step_1() {
  else
    exe apt install $toolName
  fi
-  endReturn -o $? "$toolName installation failed"
+  endReturn "$toolName installation failed"
 }

 step_2_info() {
@@ -113,7 +113,7 @@ step_5() {
  [ -n "${1:-}" ] && lInterface="$1"
  # Check if interface exists
  ip -br a | grep -E "^$lInterface" >>/dev/null 2>&1
-  endReturn -o $? "Interface $lInterface does not exist"
+  endReturn "Interface $lInterface does not exist"

  exe ufw allow in on $lInterface to any port 161 proto udp comment "snmp"
 }
@@ -127,7 +127,7 @@ step_20() {
  fi

  exe wget https://raw.githubusercontent.com/librenms/librenms-agent/master/snmp/raspberry.sh -O "${rpiExtendLoc}"
-  endReturn -o $? "Download failed"
+  endReturn "Download failed"
  exe chmod +x "$rpiExtendLoc"

  addConf -a "extend raspberry /etc/snmp/raspberry.sh" "$toolConfig"
@@ -152,7 +152,7 @@ step_22() {
  fi

  exe wget https://raw.githubusercontent.com/librenms/librenms-agent/master/snmp/osupdate -O "${osUpdateExtendLoc}"
-  endReturn -o $? "Download failed"
+  endReturn "Download failed"
  exe chmod +x "$osUpdateExtendLoc"
  addConf -a "extend osupdate $osUpdateExtendLoc" "$toolConfig"

@@ -184,7 +184,7 @@ step_25() {
      exe bash -i
      info "Interactive shell ended. Continuing with $0."
      exe nginx -t
-      endReturn -o $? "Nginx configuration error"
+      endReturn "Nginx configuration error"

      exe service nginx restart
      ;;
@@ -211,7 +211,7 @@ step_26_alias() { echo "phpfpm_config"; }
 step_26() {
  exe sed -i "s/^;\(pm\.status_path\)/\1/" "$phpPoolConfigLoc"
  exe php-fpm${phpVersionStr} -t
-  endReturn -o $? "Invalid php configuration"
+  endReturn "Invalid php configuration"

  service php${phpVersionStr}-fpm restart
 }
@@ -227,7 +227,7 @@ step_27() {
  fi

  exe wget https://github.com/librenms/librenms-agent/raw/master/snmp/phpfpmsp -O "${phpfpmExtendLoc}"
-  endReturn -o $? "Download failed"
+  endReturn "Download failed"
  exe chmod +x "$phpfpmExtendLoc"

  addConf -a "extend phpfpmsp ${phpfpmExtendLoc}" "$toolConfig"
@@ -253,7 +253,7 @@ step_29() {
      exe bash -i
      info "Interactive shell ended. Continuing with $0."
      exe nginx -t
-      endReturn -o $? "Nginx configuration error"
+      endReturn "Nginx configuration error"

      exe service nginx restart
      ;;
@@ -279,7 +279,7 @@ step_30() {
  fi

  exe wget https://raw.githubusercontent.com/librenms/librenms-agent/master/snmp/nginx -O "${nginxExtendLoc}"
-  endReturn -o $? "Download failed"
+  endReturn "Download failed"
  exe chmod +x "$nginxExtendLoc"

  addConf -a "extend nginx ${nginxExtendLoc}" "$toolConfig"
@@ -293,9 +293,9 @@ step_32_info() { echo "Extend for postfix detailed and queue"; }
 step_32_alias() { echo "postfix"; }
 step_32() {
  exe wget https://github.com/librenms/librenms-agent/raw/master/snmp/postfix-queues -O "${postfixQueuesExtendLoc}"
-  endReturn -o $? "Download postfix-queues failed"
+  endReturn "Download postfix-queues failed"
  exe wget https://github.com/librenms/librenms-agent/raw/master/snmp/postfixdetailed -O "${postfixScript}"
-  endReturn -o $? "Download postfixdetailed failed"
+  endReturn "Download postfixdetailed failed"

  exe chmod +x "${postfixQueuesExtendLoc}"
  exe chmod +x "${postfixScript}"
@@ -352,7 +352,7 @@ step_37_info() { echo "Extend for fail2ban jail information"; }
 step_37_alias() { echo "fail2ban"; }
 step_37(){
  exe wget https://github.com/librenms/librenms-agent/raw/master/snmp/fail2ban -O "${fail2banExtendLoc}"
-  endReturn -o $? "Download postfix failed"
+  endReturn "Download postfix failed"

  exe chmod +x "$fail2banExtendLoc"

@@ -384,7 +384,7 @@ step_40() {
  fi

  exe wget https://raw.githubusercontent.com/librenms/librenms-agent/master/snmp/distro -O "${distroExtendLoc}"
-  endReturn -o $? "Download distro detection script failed"
+  endReturn "Download distro detection script failed"
  exe chmod +x "$distroExtendLoc"

  info "Create distro extend"
@@ -409,10 +409,10 @@ step_42() {
  [ $? -ne 0 ] && return 0

  exe apt install dhcpd-pools ${sq_aptOpt}
-  endReturn -o $? "Install dhcpd-pools failed"
+  endReturn "Install dhcpd-pools failed"

  exe wget $locExtUrl -O "${locExtLoc}"
-  endReturn -o $? "Download $locExtName script failed"
+  endReturn "Download $locExtName script failed"
  exe chmod +x "$locExtLoc"

  info "Create extend for $locExtName"
@@ -421,7 +421,7 @@ step_42() {
  info "Create config for $locExtName"
  addConf -s "$dhcpExtendConfig" "$dhcpExtendConfigLoc"

-  echo " [W] Adapt config $dhcpExtendConfigLoc manually and restart snmpd"
+  warning "Adapt config $dhcpExtendConfigLoc manually and restart snmpd"
 }
 dhcpExtendConfigLoc="${toolConfigLoc}/dhcp.json"
 dhcpExtendConfig="{\"leasefile\": \"/var/lib/dhcp/dhcpd.leases\"
@@ -438,7 +438,7 @@ step_44() {
  [ $? -ne 0 ] && return 0

  exe wget $locExtUrl -O "${locExtLoc}"
-  endReturn -o $? "Download $locExtName script failed"
+  endReturn "Download $locExtName script failed"
  exe chmod +x "$locExtLoc"

  info "Create extend for $locExtName"
@@ -483,7 +483,7 @@ step_46() {
  exe apt install $piholeDeps ${sq_aptOpt}

  exe wget $locExtUrl -O "${locExtLoc}"
-  endReturn -o $? "Download $locExtName script failed"
+  endReturn "Download $locExtName script failed"
  exe chmod +x "$locExtLoc"

  info "Create extend for $locExtName"
@@ -493,7 +493,7 @@ step_46() {
    color red
    echo -e " [W] Check the following in the extend script and restart snmpd:\n"
  else
-    echo " [I] Check the follwing in the extend script:"
+    info "Check the follwing in the extend script:"
  fi
  echo "(API_AUTH_KEY) Add your pi-hole API key"
  echo "     (API_URL) and check the API URL"
--- a/seqs/ssh.sh
+++ b/seqs/ssh.sh
@@ -20,7 +20,7 @@ step_3_alias() { echo "create"; }
 step_3() {
  exep "ssh-keygen -l -f $toolIdentity 2>>/dev/null"
  if [ $? -eq 0 ]; then
-    echo " [I] Using key found at $toolIdentity."
+    info "Using key found at $toolIdentity."
    return 0
  fi
  exe ssh-keygen -b 4096 -t rsa -C "$(hostname)" -N "" -f $(realpath $toolIdentity)
--- a/seqs/synapse-admin.sh
+++ b/seqs/synapse-admin.sh
@@ -69,7 +69,7 @@ step_10() {
    exe mv "${loBackup}" "${sc_synadmLoc}" 2>/dev/null
  else
    exe tar -xf "${loTemp}" -C "$(dirname -- "${sc_synadmLoc}")"
-    endReturn -o $? "Extraction failed"
+    endReturn "Extraction failed"
    exe mv "$(dirname -- "${sc_synadmLoc}")/${toolName}-${versionNew}" "${sc_synadmLoc}"
    exe chown -R root: "${sc_synadmLoc}"
    info "Downloaded to ${sc_synadmLoc}"
--- a/seqs/torrentwatch.sh
+++ b/seqs/torrentwatch.sh
@@ -127,11 +127,11 @@ step_30() {
    return 1
  fi

-  echo " [I] Upgrading data"
+  info "Upgrading data"
  exe mv "$toolConfigLoc/lib" "$toolConfigLoc/lib_bu"
  exe cp -ar "$gitLibLoc/lib" "$toolConfigLoc/"

-  echo " [I] Upgrading html"
+  info "Upgrading html"
  exe mv "$toolHtmlLoc" "${toolHtmlLoc}_bu"
  exe cp -ar "$gitHtmlLoc" "$toolHtmlLoc"
  exe cp -arL "$toolBackupLoc/config.php" "$toolHtmlLoc"
--- a/seqs/tvheadend.sh
+++ b/seqs/tvheadend.sh
@@ -16,7 +16,7 @@ step_1() {

  echo -n "Downloading tvheadend repository key ... "
  exe wget -qO- https://doozer.io/keys/tvheadend/tvheadend/pgp | sudo apt-key add -
-  endReturn -o $? "Download of repository key failed"
+  endReturn "Download of repository key failed"

  addConf -c "$sourceEntry" "$sourceList"
 }
--- a/seqs/webserverUbuntu.sh
+++ b/seqs/webserverUbuntu.sh
@@ -14,7 +14,7 @@ step_1_alias() { echo "install"; }
 step_1() {
  exe apt update
  exe apt install $serverPackages
-  endReturn -o $? "Server package installation error"
+  endReturn "Server package installation error"
 }

 step_2_info() { echo "Basic nginx configuration for initial letsencrypt certificate creation"; }
@@ -36,7 +36,7 @@ step_2() {

  echo -n " [I] Restarting Nginx ... "
  exe service nginx restart && echo "ok"
-  endReturn -o $? "Nginx error during startup"
+  endReturn "Nginx error during startup"
 }
 snippetLetsencryptLoc="/etc/nginx/snippets/letsencrypt.conf"
 siteLetsencryptWww="/var/www/letsencrypt"
@@ -58,7 +58,7 @@ step_3_info() {
 }
 step_3() {
  exe apt install $phpPackages
-  endReturn -o $? "$phpName error during startup"
+  endReturn "$phpName error during startup"
 }
 phpFpmConfigLocation="/etc/php/${phpVersion}/fpm/conf.d/90-custom_pi.ini"
 phpFpmConfig="\
@@ -88,7 +88,7 @@ step_4() {

  echo -n "Restarting ${phpName} ..."
  exe service ${phpName}-fpm restart
-  endReturn -o $? "$phpName error during restart"
+  endReturn "$phpName error during restart"
  echo "ok"
 }

--- a/seqs/whoogle.sh
+++ b/seqs/whoogle.sh
@@ -40,7 +40,7 @@ step_20() {
  exe apt-get install "${toolDeps[@]}" ${sq_aptOpt}
  info "Installing ${toolName} from ${sq_gitUrl}"
  exe git clone "${sq_gitUrl}" "${sc_whoogleDir:?}"
-  endReturn -o $? "Cloning ${toolName} failed"
+  endReturn "Cloning ${toolName} failed"

  exe cd "${sc_whoogleDir:?}"
  exe python3 -m venv venv
@@ -84,7 +84,7 @@ step_30_info() { echo "Upgrade installation using git"; }
 step_30_alias() { echo "upgrade"; }
 step_30() {
  exe cd "${sc_whoogleDir:?}"
-  endReturn -o $? "${toolName} doesn't seam to be installed"
+  endReturn "${toolName} doesn't seam to be installed"
  exe service "${toolName}" stop
  exe git pull
 }
--- a/seqs/wireguard.sh
+++ b/seqs/wireguard.sh
@@ -1,33 +1,14 @@
 #!/bin/bash

-toolName=wireguard
-toolBin=wg
-toolDefaultConf=wg0
-toolService=wg-quick@$toolDefaultConf
-
-# Get script working directory
-# (when called from a different directory)
-WDIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" >>/dev/null 2>&1 && pwd )"
-CONFIG=0
-CONFIG_FILE_NAME="${toolName}.cfg"
-CONFIG_FILE_TEMPLATE="$WDIR/${CONFIG_FILE_NAME}.example"
-
-#step_config() {
-#echo "Called once before executing steps."
-## e.g. to source a config file manually:
-#. "$CONFIG_FILE"
-## or to use sequencer api:
-#initSeqConfig "$CONFIG_FILE_NAME" "$CONFIG_FILE_TEMPLATE"
-#if [ $? -eq 0 ] ; then
-#  CONFIG=1
-#fi
-#}
+readonly toolName=wireguard
+readonly toolDefaultConf=wg0
+readonly toolService=wg-quick@$toolDefaultConf

 step_1_info() { echo "Prepare installation of $toolName"; }
-step_1_alias() { echo "install"; }
+step_1_alias() { echo "setup"; }
 step_1() {
  exe apt install raspberrypi-kernel-headers
-  endReturn -o $? "Installation of kernel headers failed"
+  endReturn "Installation of kernel headers failed"
  addConf -s "deb http://deb.debian.org/debian/ unstable main" "/etc/apt/sources.list.d/unstable.list"
  exep "wget -O - https://ftp-master.debian.org/keys/archive-key-$(lsb_release -sr).asc | sudo apt-key add -"
  addConf -s "$pinEntry" "/etc/apt/preferences.d/limit-unstable"
@@ -38,6 +19,7 @@ Pin: release a=unstable
 Pin-Priority: 150"

 step_2_info() { echo "Installing $toolName"; }
+step_2_alias() { echo "install"; }
 step_2() {
  local aptOpt=""
  if quiet ; then
@@ -82,12 +64,7 @@ step_14() {
 }
 defaultConfLoc="/etc/$toolName/$toolDefaultConf.conf"

-
-step_20_info() { echo "Usage notes"; }
-step_20() {
-  echo " [I] Some usage Notes"
-}
-
-
+# shellcheck disable=SC2034 # Appears unused
 readonly sqr_minVersion=16
+# shellcheck disable=SC1091 # Don't follow this source
 . /usr/local/bin/sequencer.sh