make flavor and secgroup optional

1 files changed, 19 insertions, 6 deletions

diff --git a/revert_instance_from_snapshot.sh b/revert_instance_from_snapshot.sh
index 705d055..4031cbf 100755
--- a/revert_instance_from_snapshot.sh
+++ b/revert_instance_from_snapshot.sh
@@ -1,12 +1,14 @@
 #!/bin/bash
 # 
 # following prerequisites are needed
-# - all keys must be present to current user (use add_keys script to import)
+# * all ssh-keys specified with the -k option must 
+#   be present to current user (use add_keys script to import)
 
-# Todo: How do we add more keys with the nova cli ?
+# Todo: How can we add more than one sshkey with the nova cli ?
 
 # 2 cpus, 10gb disk, 1024 ram
-flavor='testing'
+
+flavor='Medium'
 secgroup='Bitmask'
 
 usage()
@@ -16,16 +18,25 @@ usage: $0 options
 
 This script reverts an openstack instance to it's snapshot.
 
-OPTIONS:
- -h             Show this message
+mandatory:
  -i <instance>   
  -s <snapshot>
  -k <keyname>   add sshkey
+
+optional:
+ -f <flavor>    defaults to "$flavor"
+ -g <secgroup>  defaults to "$secgroup"
+ -h             Show this message
  -v             verbose mode
+
+example:
+   
+   ./revert_instance_from_snapshot.sh -i resettest.testing.bitmask.net -s resettest-firstboot -k varac
+ 
 EOF
 }
 
-set -- $(getopt hi:s:k:v "$@")
+set -- $(getopt hi:s:k:f:g:v "$@")
 while [ $# -gt 0 ]
 do
     case "$1" in
@@ -33,6 +44,8 @@ do
     (-i) instance="$2"; shift;;
     (-s) snapshot="$2"; shift;;
     (-k) key="$2"; shift;;
+    (-f) flavor="$2"; shift;;
+    (-g) secgroup="$2"; shift;;
     (--) shift; break;;
     (-*) echo "$0: error - unrecognized option $1" 1>&2; exit 1;;
     (*)  break;;