Logstash input file example

logstash input file example Raw. csv" start_position => "beginning" sincedb_path => "/dev/null" } } Here, the “file” subsection indicates that a file will be used for the input. The file is required for Fluentd to operate properly. Receive HTTP input and send to Elasticsearch. confinput { file { path => "C:/logstash-2. See an example on the Logstash configuration page. conf file extension. Jul 23, 2015 · Coming here after 4 years, now the logstash syslog input supports setting the grok pattern to use, as detailed in the documentation. conf”. Instead of specifying the options in the command line, you can specify them in a . The first section is for Input plugin (NetWitness Export Connector), the second section is for Filter plugin (optional) and the third section is for Output plugin. Logstash configuration consists of three sections: input, filter, and output, which define how data are received, transformed, and sent. 49. Logstash Grok Filter. input { stdin { } } filter { grok { match => { "message" => "% {COMBINEDAPACHELOG}" } } date { match => [ "timestamp" , "dd/MMM/yyyy:HH:mm:ss Z" ] } } output { elasticsearch { hosts => ["localhost:9200"] } stdout { codec => rubydebug } } Run Logstash with this configuration: bin/logstash -f logstash-filter. For example, the commands below will install Filebeat: Jun 15, 2017 · For example, the NUMBER pattern can match 4. If you have chosen to not use the beat architecture you can have logstash tail a file very simply. They’re the 3 stages of most if not all ETL processes. Feb 27, 2013 · openssl s_client -connect logstash. Can anyone help me, how can I do this? 72559/how-to-connect-log-file-as-an-input-in-logstash Mar 23, 2016 · Logstash版本 2. log" ] type => "syslog" } } filter { if [type] == "syslog" { # Uses built-in Grok patterns to parse this standard format grok { match Sep 23, 2016 · If we tell the Logstash file input plugin to write the sincedb file to /dev/null, it is written to a place that it cannot write to, so no sincedb file is created. For example: input { beats { port => 5000 } } Jun 08, 2018 · JDBC plugin for Logstash for push data into the Elastic search. xx installed; Java 7/8 Installed; Sample Data: This configuration will send events to Devo each time a file is updated with new information. Next, change permissions on the file, since the permissions are set to no permissions. Logstash configuration files are in the JSON-format, and reside in /etc/logstash/conf. It is fully free and fully open source. You will also get some useful diagnostic information from s_client as to the state of the connection, server identity etc. Go to System -> Inputs. Is it possible to have each config as a self-contained one (with input, filter, output completely inside it) and multiple config files (one for each input type, say file… Once it is stored, you can use a web GUI to search for logs, drill-down on input {file {path = > "/var/log/apache. license) Logstash is distributed as a jar. This input will allow you to set Logstash up as either a … Here we need to add an input to receive the messages from logstash. Apr 08, 2019 · Our example shows two different pipelines which are given different ids and utilize configuration files that reside in different directories. Here is the relevant part from our configuration file for this example. Prior to Logstash 2. 2. vn. 0, meaning you are pretty much free to use it however you want in whatever way. It basically understands different file formats, plus it can be extended. Unix pipes on steroids. To use a single instance of logstash you could may go through kafka or an http input. I a next post, I will talk about how to test puppet templated configuration files. Specifies the tail of the file that does not repeat over records. Note that the generator input is designed for testing Logstash, and in this case it will generate a single event. When a CEF syslog event is sent to the platform, Devo recognizes CEF as the tag, then it . Read mode means that the files #will be treated as if they are content complete. To create the Logstash config, either copy the following example, or run the Transaction Chapter1:ShippingEvents Listing1. Usually, these are json opening tags. input {. This is a plugin for Logstash. Also the date value will be translated to correctly be used $ sudo . 03_logstash_output. Bonus points: test your puppet-templated Logstash configuration file. conf file as shown below: # vi logstash-simple. Then, using the Elastic Stack, the flow logs will be indexed and used to create a Kibana dashboard to visualize the information. In this excerpt from "Elasticsearch 7 and the Elastic Stack: In-Depth and Hands-On" from Frank Kane and Sundog Education, we cover how to import JSON data in May 06, 2017 · Logstash can take input from Kafka to parse data and send parsed output to Kafka for streaming to other Application. example. This example will filter out specific values; Id, Date and Key1. workers to 3, and with pipe_2 we set to have the persistent queue function enabled. Perhaps it could be as well a problem with elasticsearch. It is uncommon to use logstash to directly tail files. 1 Run in a local Logstash clone Edit Logstash Gemfile and add the local plugin path, for example: gem "logstash-filter-awesome", Logstash uses an input plugin to ingest data and an Elasticsearch output plugin to index the data in Elasticsearch, following the Logstash processing pipeline. Aug 28, 2014 — ELK is based on three core components: ElasticSearch, Logstash and Kibana. Build your plugin gem Jun 16, 2015 · A Logstash configuration file is basically built of 3 parts: The input (network protocol, listening port, data type etc. cfg. d you can use a directory (/etc/logstash. about 30 input plugins : tcp. Start the input. csv Now, create this logstash file csv. After modifying the plugin, simply rerun Logstash. Aug 22, 2019 · Download this file eecs498. save. If you need to specify to look into subdirectories, you can utilize /**/ to specify to go a Oct 16, 2018 · input { kafka { bootstrap_servers => ["localhost:9092"] topics => ["rsyslog_logstash"] }} If you need Logstash to listen to multiple topics, you can add all of them in the topics array. Select GELF UDP INPUT. 824. Pipeline is the core of Logstash and is the most important concept we need to understand during the use of ELK stack. Nov 17, 2016 · #logstash. Filters are modules that can take your raw data and try to make sense of it. Google is your best friend to find information about ELK. Example: $ bin/logstash_plugin install logstash-input-beats. In order to keep the syslog input functionalities, one can as such insert the nonstandard pattern to parse in the grok_pattern setting, e. Logstash has lots of such plugins, and one of the most useful is grok. Now I just want to check if a simple example work: input: read textfile-a. Inputs |. log" codec => "plain" } } Note that a change of the Logstash configuration file content requires the logstash process to be restarted for the change to have an effect; i. Or you could use a stdin input (provided the file is less than 16 KB), and that terminate logstash on EOF. Logstash configuration for output to Elasticsearch. For testing purposes, it can be configured to output log records to the shell’s standard output (stdout) where Logstash is running or to a local file. Each section contains plugins that do relevant part of the processing (such as file input plugin that reads log events from a file or elasticsearch output plugin which sends log events to Elasticsearch). There is no default value for this setting. Jan 04, 2021 · Use Logstash or any Logstash alternative to send logs to Sematext Logs – Hosted ELK as a Service. conf” with the extension “. bin/logstash -f /etc/logstash. If a value is not set in this file it will default to what is in the yaml file logstash. Usually, these are json closing tags. Multiple output methods can be specified simultaneously. You can specify multiple paths in the file input. Oct 29, 2019 · In this example, the Logstash input is from Filebeat. Specifies the header of the file in bytes that does not repeat over records. crt As before, type something, and you should see the log lines appearing on stdout on the logstash server. Then unzip it. Every configuration file is split into 3 sections, input, filter and output. The filters of Logstash measures manipulate and create events like Apache-Access. logstash config file Parse CEF with logstash when you can't use the input codec. logstash: hosts: ["localhost:30102"] Just Logstash and Kubernetes to configure now. Dec 20, 2019 · Logstash is a data pipeline we can use to configure input to take data from multiple types of data sources, such as files, databases, CSV, or Kafka, and after taking the input, we can configure the output to send data on different sources, such as files, databases, Kafka, or Elasticsearch. Breaking Changes. GitHub Gist: instantly share code, notes, and snippets. xx installed; Elasticsearch 5. Scaling Logstash: One of the great things about Logstash is that it is made up of easy to fit together components: Logstash itself, Redis as a broker, Elasticsearch and the various other pluggable elements of your Logstash configuration. 0+ ssl = > true # (requires Logstash 1. Jul 04, 2021 · A Logstash input plugin will obtain the flow logs directly from the storage blob configured for containing the flow logs. Now it is time to move from the command line options to configuration file. The configuration consists of three sections: inputs, filters, and outputs. In the input part, we are going to first provide JDBC SQL driver “jdbc_driver_library”. Feb 26, 2020 · Input file: 01_in. conf file for S3 Input plugin. Dec 21, 2020 · #打离线包 [root@VM_centos logstash-7. v0. A Logstash instance has a fixed pipeline constructed at startup, based on the instance's configuration file. Below I show my example configuration file; The filter part of the configuration will read the XML. For creating a plugin, we are going to take a text file and save that file as “logstash. input {file Feb 22, 2020 · Logstash supports different types of outputs to store or send the final processed data like elasticsearch, cloudwatch, csv, file, mongodb, s3, sns, etc. See the Logstash Directory Layout document for the log file location. Production Logstash Architecture. import logging. conf contains the nginx file input. 8. Codecs: Codecs are basically stream filters that can operate as part of an input or output. First, we need to split the Spring boot/log4j log format into a timestamp, level, thread, category and message via Logstash Dissect filter plugin . Hope this blog was helpful for you. This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. output: generate new textfile-b with input of the textfile-a. bin/plugin install --no-verify - Run Logstash with your plugin ```sh bin/logstash -e 'filter {awesome {}}' At this point any modifications to the plugin code will be applied to this local Logstash setup. But first, let´s set the config file: logstash-bitcoin. Nov 05, 2021 · Logstash file input example. 55, 4, 8, and any other number, and IP pattern can match 54. config, changing the path and server name to match your environment. d) as the value for the config input; will use all files in this directory; loaded in lexicographical order of the files; Example layout: Contents of /etc/logstash. input { generator { lines => ["Generated line"] count => 1 } } Input file: 02_in. The above will process one file, and you could have a script to kill it. My config is the following: # foo. Nov 03, 2021 · The remainder of a test file is a list of testcases in the form of input/expected pairs. input { stdin { codec => "json" } } For this pipeline, we have decided to read the file from the program standard input. 2 Run in an installed Logstash Mar 05, 2015 · Setting up Logstash as a syslog server is really simple: You don’t need to add any options to the input to get it running: # Bare minimum input { syslog {} } Logstash will now run as a syslog server, listening on port 514 (both TCP and UDP) of all of the machines interfaces ( 0. Edit the path to match the location of the TXT file and save it as logstash_json. IBM FCAI uses the beats input format to receive events from Filebeat. Pre-Requisite. Running your unpublished Plugin in Logstash 2. `LogstashHandler` is a custom logging handler which sends Logstash messages using UDP, or TCP. At least in logstash, the used date was the one of the parsing which was not really accurate. conf in the same path as the data set. Jul 05, 2019 · input: tell logstash to listen to Beats on port 5044: filter {grok {In order to understand this you would have to understand Grok. In the following configuration, data is sent over an HTTP request. Deals with syslog line input and listens to port 5044. ), the filter (patterns, grok filters, syslog severity etc. yml file and run the logstash all input and output configuration will be on the same file like the below code, but that is not ideal: Aug 15, 2019 · Configure pipelines in YAML file, which is load at Logstash startup. zip logstash-input-java_input_example Using JAVA_HOME defined java: /data/java/jdk1. This file defines a Logstash input that listens on stdin. For IBM FCAI, the Logstash configuration file is named logstash-to-elasticsearch. conf file: Incoming webhook processing is configured in the input section: Traffic is sent to port 5044; Logstash is configured to accept only HTTPS connections; Logstash TLS certificate signed by a publicly trusted CA is located within the file /etc/server. To read more on Logstash Configuration,Input Plugins, Filter Plugins, Output Plugins, Logstash Customization and related issues follow Logstash Tutorial and Logstash Issues. input { file { path => [ "/var/log/syslog", "/var/log/auth. The example uses pipeline config stored in files (instead of strings). A Logstash configuration file can have three separate sections for each type of plugin that you want to add to the event processing pipeline. Will Vietnam face a recession? November 5, 2021 by vietnamnet. Some Logstash implementations may have many lines of code and may process events from multiple input sources. It forms part of the TCP/IP protocol suite that forms the core of network communication on the internet. Another important feature of Logstash filters, using This file can be called any name, but must end with a . log" start_position = > "beginning" # this will also send existing contents the first time you start Logstash add_field = > {"source" = > "apache"} # add a source field, for easier filtering}} output {elasticsearch {hosts = > "logsene-receiver. conf and set up our “lumberjack” input (the protocol that Logstash Forwarder uses): Oct 11, 2018 · Logstash SFTP Plugin. See Issue #8452. 2:Addingthe‘syslog‘input input {beats {port => 5044} syslog {type => syslog port => 5514}} output {stdout { } elasticsearch { } Oct 16, 2015 · Instead of the file you omit an input directory. Send Logstash output to Elasticsearch and Console. On Mac, the logstash configuration is located in: On Mac, the logstash configuration is located in: Oct 24, 2016 · Notice that it shows some sincedb files which only track a single inodes, some which track multiple inodes, and some which track none at all (empty files). Logstash is an open source data processing pipeline that ingests events from one or more inputs, transforms them, and then sends each event to one or more outputs. logstash / inputs / file. : Aug 24, 2017 · Start Logstash on background for configuration file. Security is enabled through the use of authentication certificates. zip . Within, we use these options: Jul 07, 2019 · input { file { path => "/var/log/apache. Sep 16, 2020 · Example Configurations for Logstash Inputs File Input. This is generally done using a small agent application called a Beat. conf configuration file to get the desired result. There are multiple ways in which we can configure multiple piepline in our logstash, one approach is to setup everything in pipeline. A regular expression (topics_pattern) is also possible, if topics are dynamic and tend to follow a pattern. Use Logstash Config File. conf 1 logstash-input-exec logstash-input-file logstash-input-kafka logstash-input-pipe logstash-input-unix logstash-filter-ruby SSL CA certificate The CA certificate you can use to verify the authority presented by our hosted collectors can be copied from the homepage of the Logs Data Platform manager. Each section can be configured with a lot of available plugins. In production, you can load multiple config files as if they were a single one: Troubleshooting & Limitation. This can be a file, an API or a service such as Kafka. Putting this together, here’s the full two-liner to print the SinceDB to logstash file input map! Don’t forget to update LS_HOME. After crises in the past, Vietnam’s economic growth became sluggish This component indicates Logstash where and how to read the original data. pipeline1. docker build -t logstash:latest . logstash_indexer. XML files can be readed by Logstash with the multi line option under the input file. 0. 0_271/ WARNING, using JAVA_HOME while Logstash distribution comes with a bundled JDK Offline package created at: /data/java_input. Now we are need run command below to create an image. . 99. Dec 08, 2014 · 7. TCP is a stream protocol with which data can be sent over a network. Using Logstash to Ingest Data. We will use port 12201. In this post, we’ll describe Logstash and 5 of the best “alternative” log shippers ( Logagent, Filebeat, Fluentd, rsyslog and syslog-ng ), so you know which fits which use-case depending on their advantages. config. yml, environment variables cannot be used in the pipelines. #### For example: ```. we can stop it with Ctrl-C and restart the logstash process in terminal 1 it with Feb 19, 2019 · The FROM we are using the image logstash 6. Get Started. Jun 19, 2020 · Create Pipeline Conf File. To review, open the file in an editor that reveals hidden Unicode characters. The resulting file is conn250K. The SEMANTIC is the identifier given to a matched text. Logstash instance can't parse CSV file with different header Format, as first header will be used for all file, if you have files with different format you should use each time a new instance or restart the instance. config here specifies only a file name, so Logstash has to be launched from the directory where the following config files reside. Sample logstash. ). In pipe1 we set pipeline. 1 and the parameter COPY, we are copy files to inside docker. chmod 777 conn250K. Grok makes it easy for you to parse logs with regular expressions, by assigning labels to commonly used patterns. You may also configure multiple paths. The Logstash configuration file ( "config") for listening on a TCP port for JSON Lines from Transaction Analysis Workbench is concise and works for all log record types from Transaction Analysis Workbench. Example configuration with three pipelines looks like this:. But I am struggling with that. Install Filebeat in the client machine. I'm sure examples have been posted in the past. Learn more about bidirectional Unicode characters. Aug 19, 2017 · Logstash, File Input Plugin, CSV Filter and Elasticsearch Output Plugin Example will read data from CSV file, Logstash will parse this data and store in Elasticsearch. Mar 24, 2021 · The logstash-remote. The output section sends this input to the Devo Cloud using SSL-TCP. log" type => "apache-access" # a type to identify those logs (will need this later) start_position => "beginning" } } 3. The most frequently used plugins are as below: Input: file : reads from a file directly, working like “tail -f” on Unix like OS; Troubleshooting & Limitation. It could even be a problem when logstash was parsing a file with old entries because the difference in timestamp could be huge. It’s a file parser tool. conf contains the nginx filter section. Aug 25, 2018 · Unlike logstash. By default, “message”, “@timestamp”, “@version”, “host”, “path” are created. sematext. Troubleshooting & Limitation. 5+) if you do not Logstash is configured in the logstash-sample. Each logstash event has fields associated with it. The official logstash … Config files resources accept an explicit … logstash,logstash-grok. Load the data From the command prompt, navigate to the logstash/bin folder and run Logstash with the configuration files you created earlier. log output. 2 remove interval and add schedule. ### Usage. 2 or 174. csv. This example shows a basic configuration that gets you to that. com:5555 -CAfile /path/to/ca. You can think of this identifier as the key in the key-value pair created by the Grok filter, with the value being the text matched by the pattern. You can use filename patterns here, such as Jun 09, 2020 · Example 1: File → Logstash → Elasticsearch input { file { path => "/var/log/apache2/access. ### Installation. Nov 15, 2017 · As I wrote in another topic yesterday: The file input reads files line by line. zip from Kaggle. In this example, the input section uses the file plugin to collect input from a file. After done, you could see something like: Apr 09, 2018 · Starting a new instance of logstash for each file is really expensive. 1 etc. conf input { stdin { } } output { elasticsearch { host => localhost } stdout { codec => rubydebug } } Aug 16, 2015 · Typical Logstash config file consists of three main sections: input, filter and output. The license is Apache 2. Jun 17, 2020 · Hi Guys, I want to connect my web server log file in Logstash to monitor in real-time. Logstash is open source (Apache 2. conf and it is located in the /etc/logstash directory where Logstash is installed. 1 问题 在Logstash中,已经通过logstash-input-file插件导入了一些本地日志文件。现在需要重新导入这些日志文件,但是logstash-input-file插件会自动忽略之前已经读取的文件。要想重新导入之前的文件,只能清空文件监控记录。 Logstash:处理多个input. udp. May 31, 2014 · Logstash configurations are separated into three different sections: input, filter, and output. Jan 20, 2019 · filebeat. After that, we are going to write the input and output. This file defines an input that is a generator. It is now possible to update logstash configuration to have a correct parsing of the timestamp. If you are not seeing any data in this log file, generate and send some events locally (through the input and filter plugins) to make sure the output Nov 12, 2021 · Offsets will be picked up from registry file whenever it exists. Logstash的整个pipleline分为三个部分: input插件:提取数据。 这可以来自日志文件,TCP或UDP侦听器,若干协议特定插件(如syslog或IRC)之一,甚至是排队系统(如Redis,AQMP或Kafka)。 Troubleshooting & Limitation. Don’t try that yet. yml for some reason. Logstash uses filters in the middle of the pipeline between input and output. crt file should be copied to all the client instances that send logs to Logstash. For "input" it is recommended to use yaml > to include verbatim JSON, whereas "expected" is usually yaml, although it can be also verbatim JSON if more convenient. 10. ) and the output (IP address of the elasticsearch server logstash is shipping the modified data to etc. Sincedb_path holds the path to the #file that holds the current position of the monitored log files. Lets have a look at the pipeline configuration. Inputs | Codecs | Filters | Outputs. Jun 11, 2014 · Configure Logstash. Each component of a pipeline (input/filter/output) actually is implemented by using plugins. As of FY2019 Logstash infrastructure is owned by SRE. 0 ). Logstash supports various input formats. Building the Logstash config file. inputs: - type: log enabled: true paths: - logstash-tutorial. Let’s create a configuration file called 01-lumberjack-input. Aug 24, 2017 · In below example I will explain about how to create Logstash configuration file by using JDBC Input Plug-in for Oracle Database and output to Elasticsearch . Pre-requisite: Logstash 5. Using pip: `pip install python3-logstash`. Jul 19, 2020 · Example 7 #Like previous examples, the File input plugin is being used. The file reader and writer modules in NXLog can detect when an input or output file moves or changes its name, and re-open the file automatically. log" start_position => "beginning" sincedb_path => "/dev/null" } } filter { grok { match => { "message" => "%{COMBINEDAPACHELOG}" } } date { match => [ "timestamp" , "dd/MMM/yyyy:HH:mm:ss Z" ] } geoip { source => "clientip" } } output { elasticsearch { hosts => ["localhost:9200"] } } Aug 12, 2020 · First, let’s check the input section: Input input { file { path => "/home/student/csv-data/csv-schema-short-numerical. log" } } output { file { path => "/app/output. Many filter plugins used to manage the events in Logstash. Use the example below as even the examples in the ElasticSearch documentation don’t work. Here, in an example of the Logstash Aggregate Filter, we are filtering the duration every SQL transaction in a database and Going to its roots, Logstash has the ability to parse and store syslog data. The configuration file allows the user to control the input and output behavior of Fluentd by 1) selecting input and output plugins; and, 2) specifying the plugin parameters. Nov 23, 2015 · type configuration for twitter input plugins is the same as type in the file input plugin and is used for similar purposes. Each path. 4. Kafka Input Configuration in Logstash. Jan 05, 2018 · Let´s do another example of data ingestion with Logstash, this time with CSV values. 02_logstash_filter_nginx. crt (1) INPUT section for Logstash Receiver (a) Receiving data from Log File Agent (LFA) ## TCP Input plugin for IBM Log File Agent (LFA) tcp { port => 18989 type => "lfa" } In the example above, Logstash will be listening at port 18989 for data sent by LFA. lumberjack The lumberjack plugin is useful to receive events via the lumberjack protocol that is used in Logstash forwarder. If you need more information on CSV files and how to use them for the user management, make sure to read the other articles in this section. Nov 10, 2021 · To monitor the connectivity and activity of the Microsoft Sentinel output plugin, enable the appropriate Logstash log file. Logstash can output data in several ways thus the method to verify the output depends on the Logstash configuration. Our config is going to start with these three sections, each empty for now: # Comments look like this input { } filter { } output { } The input section, as you might have guessed, is where we tell Logstash how to listen for logs from your sources. Jul 12, 2018 · That has been update to work with python 3. Logstash configuration file is made up of three parts, where plugins (included as part of the Logstash installation) are used in each part: Input—Where is the data coming from. X Mar 20, 2015 · This short guide will look at the TCP input for Logstash. We need to configure Logstash by creating a configuration file. Read More. Logstash will look for EOF and then emit the #accumulated characters as a line. Start logstash with input directory. Oct 10, 2021 · The input, output, and filters plugins can be assembled into the logstash. conf contains the elasticsearch output. Jan 01, 2010 · Make sure you leave the input { } and output { } parts out of the configuration files. For more information about Logstash, Kafka Input configuration refer this elasticsearch site Link Sep 07, 2016 · In order to test it, the first thing to do is split this big file into small pieces: 01_logstash_input_nginx. Below are basic configuration for Logstash to consume messages from Logstash. e. 1]# bin/logstash-plugin prepare-offline-pack --overwrite --output /data/java_input. logstash-input-tcp —— logstash-input-tcp镜像 / logstash-input-tcp源码下载 / logstash-input-tcp git bundle exec rspec 2. Logstash is written in (j)ruby. Each line received will be treated as a JSON document and stored in memory for the following step. g. 1_file-input. If you plan to manage your user data with a CSV synchronization, one of the first steps is the setup of the CSV file. Advanced message processing NXLog can perform advanced processing actions on log messages, in addition to the core features already mentioned. 3. The default value is 0. conf. 1 sftp download and read, has interval v0. Logstash config example. Usage 1. file_tail_bytes. d. yml. Jan 28, 2014 · Each log line from the input file is associated with a logstash event. By default, each event is assumed to be one line. file_head_bytes. path (required setting) Value type is array. If you want to slurp an entire file into a single event you need to use a multiline codec. It has 256,670 records. conf input { file { path => "/app/input. X; Elasticsearch 5. com:443" # this is called "hosts" in Logstash 2. 1/logstash-tutorial-dataset" start_position => "beginning" }}output { stdout {} file { #message_format => "%{foo},%{bar},%{fii},%{bor},%{bing}" Aug 04, 2021 · The path(s) to the file(s) to use as an input. Logstash 5. /bin/logstash-plugin install logstash-input-beats Validating logstash-input-beats Installing logstash-input-beats Installation successful Configure Logstash to listen on port 5044 for incoming Beats connections and to index into Elasticsearch. The “message” field, referenced in the conditional statement, contains all the original text of the log line. logstash input file example

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