CreateRoleCommand.java

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package org.apache.doris.nereids.trees.plans.commands;

import org.apache.doris.analysis.StmtType;
import org.apache.doris.catalog.Env;
import org.apache.doris.common.AnalysisException;
import org.apache.doris.common.Config;
import org.apache.doris.common.ErrorCode;
import org.apache.doris.common.ErrorReport;
import org.apache.doris.common.FeNameFormat;
import org.apache.doris.mysql.privilege.PrivPredicate;
import org.apache.doris.nereids.trees.plans.PlanType;
import org.apache.doris.nereids.trees.plans.visitor.PlanVisitor;
import org.apache.doris.qe.ConnectContext;
import org.apache.doris.qe.StmtExecutor;

import com.google.common.base.Strings;

/**
 * Create role command
 */
public class CreateRoleCommand extends Command implements ForwardWithSync {
    private boolean ifNotExists;
    private String role;
    private String comment;

    /**
     * ctor of this command.
     */
    public CreateRoleCommand(boolean ifNotExists, String role, String comment) {
        super(PlanType.CREATE_ROLE_COMMAND);
        this.ifNotExists = ifNotExists;
        this.role = role;
        this.comment = Strings.nullToEmpty(comment);
    }

    @Override
    public <R, C> R accept(PlanVisitor<R, C> visitor, C context) {
        return visitor.visitCreateRoleCommand(this, context);
    }

    @Override
    public void run(ConnectContext ctx, StmtExecutor executor) throws Exception {
        if (Config.access_controller_type.equalsIgnoreCase("ranger-doris")) {
            throw new AnalysisException("Create role is prohibited when Ranger is enabled.");
        }
        FeNameFormat.checkRoleName(role, false /* can not be admin */, "Can not create role");
        // check if current user has GRANT priv on GLOBAL level.
        if (!Env.getCurrentEnv().getAccessManager().checkGlobalPriv(ConnectContext.get(), PrivPredicate.GRANT)) {
            ErrorReport.reportAnalysisException(ErrorCode.ERR_SPECIFIC_ACCESS_DENIED_ERROR, "CREATE ROLE");
        }
        Env.getCurrentEnv().getAuth().createRole(role, ifNotExists, comment);
    }

    @Override
    public StmtType stmtType() {
        return StmtType.CREATE;
    }
}