Examples with Groups org.apache.hadoop.security.Groups used on opensource projects

Example 26 with Groups

use of org.apache.hadoop.security.Groups in project atlas by apache.

the class AtlasAbstractAuthenticationProvider method getAuthoritiesFromUGI.

public static List<GrantedAuthority> getAuthoritiesFromUGI(String userName) {
    List<GrantedAuthority> grantedAuths = new ArrayList<GrantedAuthority>();
    UserGroupInformation ugi = UserGroupInformation.createRemoteUser(userName);
    if (ugi != null) {
        String[] userGroups = ugi.getGroupNames();
        if (userGroups != null) {
            for (String group : userGroups) {
                grantedAuths.add(new SimpleGrantedAuthority(group));
            }
        }
    }
    // if group empty take groups from UGI LDAP-based group mapping
    if (grantedAuths != null && grantedAuths.isEmpty()) {
        try {
            Configuration config = new Configuration();
            Groups gp = new Groups(config);
            List<String> userGroups = gp.getGroups(userName);
            if (userGroups != null) {
                for (String group : userGroups) {
                    grantedAuths.add(new SimpleGrantedAuthority(group));
                }
            }
        } catch (java.io.IOException e) {
            LOG.error("Exception while fetching groups ", e);
        }
    }
    return grantedAuths;
}

Example 27 with Groups

use of org.apache.hadoop.security.Groups in project knox by apache.

the class HadoopGroupProviderFilter method init.

@Override
public void init(final FilterConfig filterConfig) throws ServletException {
    super.init(filterConfig);
    try {
        hadoopConfig = new Configuration(false);
        if (filterConfig.getInitParameterNames() != null) {
            for (final Enumeration<String> keys = filterConfig.getInitParameterNames(); keys.hasMoreElements(); ) {
                final String key = keys.nextElement();
                hadoopConfig.set(key, filterConfig.getInitParameter(key));
            }
        }
        hadoopGroups = new Groups(hadoopConfig);
    } catch (final Exception e) {
        throw new ServletException(e);
    }
}

Example 28 with Groups

use of org.apache.hadoop.security.Groups in project zeppelin by apache.

the class KnoxJwtRealm method onInit.

@Override
protected void onInit() {
    super.onInit();
    try {
        Configuration hadoopConfig = new Configuration();
        hadoopGroups = new Groups(hadoopConfig);
    } catch (final Exception e) {
        LOGGER.error("Exception in onInit", e);
    }
}

Example 29 with Groups

use of org.apache.hadoop.security.Groups in project incubator-atlas by apache.

the class AtlasAbstractAuthenticationProvider method getAuthoritiesFromUGI.

public static List<GrantedAuthority> getAuthoritiesFromUGI(String userName) {
    List<GrantedAuthority> grantedAuths = new ArrayList<GrantedAuthority>();
    UserGroupInformation ugi = UserGroupInformation.createRemoteUser(userName);
    if (ugi != null) {
        String[] userGroups = ugi.getGroupNames();
        if (userGroups != null) {
            for (String group : userGroups) {
                grantedAuths.add(new SimpleGrantedAuthority(group));
            }
        }
    }
    // if group empty take groups from UGI LDAP-based group mapping
    if (grantedAuths != null && grantedAuths.isEmpty()) {
        try {
            Configuration config = new Configuration();
            Groups gp = new Groups(config);
            List<String> userGroups = gp.getGroups(userName);
            if (userGroups != null) {
                for (String group : userGroups) {
                    grantedAuths.add(new SimpleGrantedAuthority(group));
                }
            }
        } catch (java.io.IOException e) {
            LOG.error("Exception while fetching groups ", e);
        }
    }
    return grantedAuths;
}