gistfile1.txt

#!/usr/bin/env bash
ENDPOINT_TYPE=${3:-$ENDPOINT_TYPE}
KEYSTONE_HOST=${4:-$KEYSTONE_HOST}

function die {
    echo $1
    echo "usage: $0 <username> <password>" \
         "<type=\$ENDPOINT_TYPE> <host=\$KEYSTONE_HOST>"
    exit 1
}

if [ "$1" == "" ]; then
    die "username is required"
fi
if [ "$2" == "" ]; then
    die "password is required"
fi
if [ "$ENDPOINT_TYPE" == "" ]; then
    die "type is required"
fi
if [ "$KEYSTONE_HOST" == "" ]; then
    die "host is required"
fi

RES=$(curl -s -d "{\"auth\": {\"passwordCredentials\":
      {\"username\": \"$1\", \"password\": \"$2\"}}}" \
      -H "Content-type: application/json" \
      http://$KEYSTONE_HOST:5000/v2.0/tokens)
SED=$(echo "s/.*\"publicURL\":.*http:\/\/\([^:]*\).*" \
           "\"type\":[^}]*\"$ENDPOINT_TYPE\".*/\1/g")
HOST=$(echo $RES | sed "$SED")
TOKEN=$(echo $RES | sed 's/.*"token":*.{[^{]*"id":[^"]*"\([^"]*\).*/\1/g')
echo $HOST
echo $TOKEN