#!/bin/sh

# allow connections to port 22 in the 'default' instance group
auth_return=`$EC2_HOME/bin/ec2-authorize default -p 22 2>&1`
echo $auth_return | grep -v 'has already been authorized' > /dev/null
if test "x$?" != "x1"; then
  if test "x$auth_return" != "x"; then
    echo "could not enable ssh"
    return 1
  fi
fi

# key location
EC2_GSG_KEY=$HOME/.ec2/saga.gsg_private.pm
export EC2_GSG_KEY

# create an access keypair.  No support for concurrent sessions at the moment.
if ! test -f $EC2_GSG_KEY; then
  mkdir -p $HOME/.ec2
  $EC2_HOME/bin/ec2-delete-keypair saga-gsg-keypair | grep -ve '^KEYPAIR.*saga-gsg-keypair$'
  $EC2_HOME/bin/ec2-add-keypair    saga-gsg-keypair > $EC2_GSG_KEY
  chmod 0600 $EC2_GSG_KEY
fi

echo $EC2_GSG_KEY

return 0