engine/userdata/src/main/java/org/apache/cloudstack/userdata/UserDataProvider.java

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// to you under the Apache License, Version 2.0 (the
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//
//   http://www.apache.org/licenses/LICENSE-2.0
//
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package org.apache.cloudstack.userdata;

public interface UserDataProvider {
    String getName();

    /**
     * Append user data into a single user data.
     * NOTE: userData1 and userData2 are Base64 encoded user data strings
     * @return a non-encrypted string containing both user data inputs
     */
    String appendUserData(String encodedUserData1, String encodedUserData2);
}