initial import

vnstat/vnstat.install

@@ -0,0 +1,34 @@
+post_install(){
+  if ! getent group vnstat &>/dev/null; then
+    groupadd -r vnstat >/dev/null
+  fi
+  if ! getent passwd vnstat &>/dev/null; then
+    useradd -r -g vnstat -G adm -d /var/lib/vnstat -s /bin/nologin vnstat >/dev/null
+  fi
+  if ! groups vnstat | grep adm &>/dev/null; then
+    gpasswd -a vnstat adm >/dev/null
+  fi
+  vnstat_shell=$(getent passwd vnstat | cut -d: -f7)
+  if [ "$vnstat_shell" != '/bin/nologin' ]; then
+    chsh -s /bin/nologin vnstat &>/dev/null
+  fi
+  if [[ ! -d /var/lib/vnstat ]]; then
+    mkdir -p /var/lib/vnstat
+  fi
+  chmod 700 /var/lib/vnstat
+  chown vnstat:vnstat /var/lib/vnstat
+}
+
+post_upgrade(){
+  post_install
+}
+
+post_remove(){
+  echo "-- You may want to remove /var/lib/vnstat"
+  if getent passwd vnstat &>/dev/null; then
+    userdel vnstat >/dev/null
+  fi
+  if getent group vnstat &>/dev/null; then
+    groupdel vnstat >/dev/null
+  fi
+}