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https://issues.apache.org/jira/browse/METRON-571?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15904400#comment-15904400
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ASF GitHub Bot commented on METRON-571:
---------------------------------------
Github user ottobackwards commented on a diff in the pull request:
https://github.com/apache/incubator-metron/pull/439#discussion_r105327868
--- Diff:
metron-platform/metron-common/src/main/java/org/apache/metron/common/dsl/ExternalFunctions.java
---
@@ -0,0 +1,292 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.apache.metron.common.dsl.functions;
+
+import java.io.BufferedReader;
+import java.io.File;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.InputStreamReader;
+import java.io.OutputStream;
+import java.io.PrintWriter;
+import java.util.List;
+import java.lang.ProcessBuilder;
+import java.lang.ClassLoader;
+import java.lang.reflect.Method;
+import java.util.Map;
+import java.util.regex.Pattern;
+import com.google.common.base.Joiner;
+import com.google.common.base.Splitter;
+import com.google.common.collect.Iterables;
+import org.apache.metron.common.dsl.Context;
+import org.apache.metron.common.dsl.StellarFunction;
+import org.apache.metron.common.dsl.ParseException;
+import org.apache.metron.common.dsl.Stellar;
+
+/**
+ * Executes external script on server via stellar process
+ */
+public class ExternalFunctions {
+
+ public static class ExecuteScript implements StellarFunction {
+
+ private ThreadedStreamHandler inStream;
+ private ThreadedStreamHandler errStream;
+ private boolean isOnTheList = false;
+
+ @Stellar(name="EXEC_SCRIPT",
+ description = "Executes an external shell function via
stellar.",
+ params = {
+ "exec - the executing cmd (ie. bash, sh, python)",
+ "name - name of the script, located in /scripts " +
+ "Do NOT include any special chars
except(_), Do include file extension"
+ },
+ returns = "the return value of the function"
+ )
+
+ @Override
+ public Object apply(List<Object> args, Context context) throws
ParseException {
+ String exec = "";
+ String name = "";
+ String path = "";
+
--- End diff --
The ShellFunctions btw, are limited to the management package.
Is that were this needs to live?
> Add stellar keywords for executing local commands
> -------------------------------------------------
>
> Key: METRON-571
> URL: https://issues.apache.org/jira/browse/METRON-571
> Project: Metron
> Issue Type: Improvement
> Reporter: Jon Zeolla
> Priority: Minor
> Attachments: ExternalFunctions.java, ExternalFunctionsTest.java
>
>
> Stellar should have the ability to execute scripts on a server in order to
> undertake automated mitigation or alerting. Perhaps SHELL_EXEC?
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