Remove trailing dot from hostname

 -hostnames cannot have a trailing dot. Therefore it is being removed in each case

Author: dkokkino

templates/common/_base/files/usr-local-bin-mco-hostname.yaml

@@ -22,7 +22,9 @@ contents:
         done
         echo "node identified as $(</proc/sys/kernel/hostname)"
         echo "saving hostname to prevent NetworkManager from ever unsetting it"
-        hostnamectl set-hostname --static --transient $(</proc/sys/kernel/hostname)
+        HOSTNAME="$(</proc/sys/kernel/hostname)"
+        CLEAN_HOSTNAME="${HOSTNAME%.}" 
+        hostnamectl set-hostname --static --transient "$CLEAN_HOSTNAME"
         exit 0
     }
 
@@ -54,6 +56,7 @@ contents:
             echo "${host_name} is longer than 63 characters, using truncated hostname"
             host_name="${alt_name}"
         fi
+        host_name="${host_name%.}"
         echo "setting ${type_arg} hostname to ${host_name}"
         /bin/hostnamectl "--${type_arg}" set-hostname "${host_name}"
         exit 0
@@ -62,17 +65,21 @@ contents:
     set_openstack_hostname() {
         # Read metadata written by afterburn service
         . /run/metadata/afterburn
-
+    
+        HOSTNAME="$AFTERBURN_OPENSTACK_HOSTNAME"
+        CLEAN_HOSTNAME="${HOSTNAME%.}"
         # node-valid-hostname sets persistent hostname from /proc/sys/kernel/hostname
-        echo "$AFTERBURN_OPENSTACK_HOSTNAME" > /proc/sys/kernel/hostname
+        echo "$CLEAN_HOSTNAME" > /proc/sys/kernel/hostname
     }
 
     set_powervs_hostname() {
         # Read metadata written by afterburn service
         . /run/metadata/afterburn
 
+        HOSTNAME="$AFTERBURN_OPENSTACK_HOSTNAME"
+        CLEAN_HOSTNAME="${HOSTNAME%.}"
         # node-valid-hostname sets persistent hostname from /proc/sys/kernel/hostname
-        echo "$AFTERBURN_POWERVS_LOCAL_HOSTNAME" > /proc/sys/kernel/hostname
+        echo "$CLEAN_HOSTNAME" > /proc/sys/kernel/hostname
     }
 
     arg=${1}; shift;