[jira] [Commented] (NIFI-2565) NiFi processor to parse logs using Grok patterns

["ASF GitHub Bot (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/NIFI-2565?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15824025#comment-15824025 ] 

ASF GitHub Bot commented on NIFI-2565:
--------------------------------------

Github user trixpan commented on a diff in the pull request:

    https://github.com/apache/nifi/pull/1108#discussion_r96236556
  
    --- Diff: nifi-nar-bundles/nifi-standard-bundle/nifi-standard-processors/src/main/java/org/apache/nifi/processors/standard/ExtractGrok.java ---
    @@ -0,0 +1,298 @@
    +/*
    + * 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.nifi.processors.standard;
    +
    +import com.fasterxml.jackson.databind.ObjectMapper;
    +import io.thekraken.grok.api.Grok;
    +import io.thekraken.grok.api.Match;
    +import io.thekraken.grok.api.exception.GrokException;
    +import org.apache.nifi.annotation.behavior.WritesAttribute;
    +import org.apache.nifi.annotation.behavior.WritesAttributes;
    +import org.apache.nifi.annotation.documentation.CapabilityDescription;
    +import org.apache.nifi.annotation.documentation.Tags;
    +import org.apache.nifi.annotation.lifecycle.OnScheduled;
    +import org.apache.nifi.annotation.lifecycle.OnStopped;
    +import org.apache.nifi.components.PropertyDescriptor;
    +import org.apache.nifi.components.ValidationContext;
    +import org.apache.nifi.components.ValidationResult;
    +import org.apache.nifi.components.Validator;
    +import org.apache.nifi.flowfile.attributes.CoreAttributes;
    +import org.apache.nifi.flowfile.FlowFile;
    +
    +import org.apache.nifi.processor.AbstractProcessor;
    +import org.apache.nifi.processor.DataUnit;
    +import org.apache.nifi.processor.Relationship;
    +import org.apache.nifi.processor.ProcessContext;
    +import org.apache.nifi.processor.ProcessSession;
    +import org.apache.nifi.processor.exception.ProcessException;
    +import org.apache.nifi.processor.io.InputStreamCallback;
    +import org.apache.nifi.processor.io.StreamCallback;
    +import org.apache.nifi.processor.util.StandardValidators;
    +import org.apache.nifi.stream.io.BufferedOutputStream;
    +import org.apache.nifi.stream.io.StreamUtils;
    +import org.apache.nifi.util.StopWatch;
    +
    +import java.io.IOException;
    +import java.io.InputStream;
    +import java.io.OutputStream;
    +import java.nio.charset.Charset;
    +import java.util.List;
    +import java.util.Map;
    +import java.util.HashMap;
    +import java.util.Set;
    +import java.util.HashSet;
    +import java.util.ArrayList;
    +import java.util.Collections;
    +import java.util.concurrent.BlockingQueue;
    +import java.util.concurrent.LinkedBlockingQueue;
    +import java.util.concurrent.TimeUnit;
    +
    +
    +@Tags({"Grok Processor", "grok", "log", "text", "parse", "delimit", "extract"})
    +@CapabilityDescription("Evaluates one or more Grok Expressions against the content of a FlowFile, " +
    +        "adding the results as attributes or replacing the content of the FlowFile with a JSON " +
    +        "notation of the matched content")
    +@WritesAttributes({
    +        @WritesAttribute(attribute = "grok.XXX", description = "Each of the Grok identifier that is matched in the flowfile will be added as an attribute, prefixed with \"grok.\" For example," +
    --- End diff --
    
    Isn't this just applicable if using flowfile-attribute as destination?


> NiFi processor to parse logs using Grok patterns
> ------------------------------------------------
>
>                 Key: NIFI-2565
>                 URL: https://issues.apache.org/jira/browse/NIFI-2565
>             Project: Apache NiFi
>          Issue Type: Improvement
>            Reporter: Andre
>
> Following up on Ryan Ward to create a Grok capable parser
> https://mail-archives.apache.org/mod_mbox/nifi-dev/201606.mbox/%3CCADD=rnPa8nHkJbeM280=PTQ=wUrtwhsTm5U+7BToO9pcYM2O6w@mail.gmail.com%3E



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