Filebeat multiline bug

Dockerfile

FROM ubuntu:16.04

ENV TZ Europe/Warsaw
ENV     FILEBEAT_VERSION 5.1.2

RUN apt-get update && \
    apt-get install wget curl iputils-ping net-tools less -y && \
    apt-get clean && \
    rm -rf /var/lib/apt/lists/*

RUN wget https://artifacts.elastic.co/downloads/beats/filebeat/filebeat-${FILEBEAT_VERSION}-amd64.deb&& \
    dpkg -i filebeat-${FILEBEAT_VERSION}-amd64.deb && \
    rm filebeat-${FILEBEAT_VERSION}-amd64.deb
RUN mkdir -p /logs
WORKDIR /logs

ADD maxlines.csv /logs/

ADD filebeat.yml /etc/filebeat/filebeat.yml

CMD /usr/share/filebeat/bin/filebeat -e -c /etc/filebeat/filebeat.yml

filebeat debug log

2017/01/29 08:56:16.099918 beat.go:267: INFO Home path: [/usr/share/filebeat/bin] Config path: [/usr/share/filebeat/bin] Data path: [/usr/share/filebeat/bin/data] Logs path: [/usr/share/filebeat/bin/logs]
2017/01/29 08:56:16.099997 beat.go:177: INFO Setup Beat: filebeat; Version: 5.1.2
2017/01/29 08:56:16.100004 logp.go:219: INFO Metrics logging every 30s
2017/01/29 08:56:16.100007 processor.go:43: DBG  Processors:
2017/01/29 08:56:16.100027 beat.go:183: DBG  Initializing output plugins
2017/01/29 08:56:16.101054 logstash.go:90: INFO Max Retries set to: 3
2017/01/29 08:56:16.101097 outputs.go:106: INFO Activated logstash as output plugin.
2017/01/29 08:56:16.101106 publish.go:234: DBG  Create output worker
2017/01/29 08:56:16.101155 publish.go:276: DBG  No output is defined to store the topology. The server fields might not be filled.
2017/01/29 08:56:16.101197 publish.go:291: INFO Publisher name: msi
2017/01/29 08:56:16.102576 async.go:63: INFO Flush Interval set to: 1s
2017/01/29 08:56:16.102584 async.go:64: INFO Max Bulk Size set to: 2048
2017/01/29 08:56:16.102589 async.go:72: DBG  create bulk processing worker (interval=1s, bulk size=2048)
2017/01/29 08:56:16.102672 beat.go:207: INFO filebeat start running.
2017/01/29 08:56:16.102696 registrar.go:68: INFO No registry file found under: /usr/share/filebeat/bin/data/registry. Creating a new registry file.
2017/01/29 08:56:16.102705 registrar.go:298: DBG  Write registry file: /usr/share/filebeat/bin/data/registry
2017/01/29 08:56:16.102824 registrar.go:323: DBG  Registry file updated. 0 states written.
2017/01/29 08:56:16.102848 registrar.go:106: INFO Loading registrar data from /usr/share/filebeat/bin/data/registry
2017/01/29 08:56:16.102863 registrar.go:123: INFO States Loaded from registrar: 0
2017/01/29 08:56:16.102880 crawler.go:34: INFO Loading Prospectors: 1
2017/01/29 08:56:16.102912 prospector_log.go:41: DBG  exclude_files: []
2017/01/29 08:56:16.102918 prospector_log.go:57: INFO Prospector with previous states loaded: 0
2017/01/29 08:56:16.102974 registrar.go:236: INFO Starting Registrar
2017/01/29 08:56:16.102988 prospector.go:69: DBG  File Configs: [/logs/maxlines.csv]
2017/01/29 08:56:16.102977 sync.go:41: INFO Start sending events to output
2017/01/29 08:56:16.102997 crawler.go:46: INFO Loading Prospectors completed. Number of prospectors: 1
2017/01/29 08:56:16.103016 crawler.go:61: INFO All prospectors are initialised and running with 0 states to persist
2017/01/29 08:56:16.103020 spooler.go:63: INFO Starting spooler: spool_size: 2048; idle_timeout: 5s
2017/01/29 08:56:16.103024 crawler.go:56: DBG  Starting prospector 0
2017/01/29 08:56:16.103043 prospector.go:111: INFO Starting prospector of type: log
2017/01/29 08:56:16.103048 prospector_log.go:62: DBG  Start next scan
2017/01/29 08:56:16.103076 prospector_log.go:212: DBG  Check file for harvesting: /logs/maxlines.csv
2017/01/29 08:56:16.103082 prospector_log.go:231: DBG  Start harvester for new file: /logs/maxlines.csv
2017/01/29 08:56:16.103324 log.go:256: DBG  Setting offset for file based on seek: /logs/maxlines.csv
2017/01/29 08:56:16.103333 log.go:241: DBG  Setting offset for file: /logs/maxlines.csv. Offset: 0
2017/01/29 08:56:16.103366 state.go:64: DBG  New state added for /logs/maxlines.csv
2017/01/29 08:56:16.103378 prospector_log.go:83: DBG  Prospector states cleaned up. Before: 1, After: 1
2017/01/29 08:56:16.103407 log.go:84: INFO Harvester started for file: /logs/maxlines.csv
2017/01/29 08:56:16.105183 log_file.go:84: DBG  End of file reached: /logs/maxlines.csv; Backoff now.
2017/01/29 08:56:17.105436 log_file.go:84: DBG  End of file reached: /logs/maxlines.csv; Backoff now.
2017/01/29 08:56:19.105677 log_file.go:84: DBG  End of file reached: /logs/maxlines.csv; Backoff now.
2017/01/29 08:56:21.103190 spooler.go:89: DBG  Flushing spooler because of timeout. Events flushed: 1
2017/01/29 08:56:21.103228 client.go:128: DBG  No events to publish
2017/01/29 08:56:21.103237 sync.go:68: DBG  Events sent: 1
2017/01/29 08:56:21.103248 registrar.go:275: DBG  Processing 1 events
2017/01/29 08:56:21.103256 state.go:64: DBG  New state added for /logs/maxlines.csv
2017/01/29 08:56:21.103263 registrar.go:261: DBG  Registrar states cleaned up. Before: 1, After: 1
2017/01/29 08:56:21.103268 registrar.go:298: DBG  Write registry file: /usr/share/filebeat/bin/data/registry
2017/01/29 08:56:21.103921 registrar.go:323: DBG  Registry file updated. 1 states written.
2017/01/29 08:56:23.105849 log_file.go:84: DBG  End of file reached: /logs/maxlines.csv; Backoff now.
2017/01/29 08:56:26.103380 spooler.go:89: DBG  Flushing spooler because of timeout. Events flushed: 1
2017/01/29 08:56:26.103478 prospector.go:155: DBG  Run prospector
2017/01/29 08:56:26.103495 prospector_log.go:62: DBG  Start next scan
2017/01/29 08:56:26.103533 prospector_log.go:212: DBG  Check file for harvesting: /logs/maxlines.csv
2017/01/29 08:56:26.103546 prospector_log.go:245: DBG  Update existing file for harvesting: /logs/maxlines.csv, offset: 3891
2017/01/29 08:56:26.103555 prospector_log.go:297: DBG  Harvester for file is still running: /logs/maxlines.csv
2017/01/29 08:56:26.103565 prospector_log.go:83: DBG  Prospector states cleaned up. Before: 1, After: 1
2017/01/29 08:56:26.103651 client.go:184: DBG  Publish: {
  "@timestamp": "2017-01-29T08:56:16.103Z",
  "beat": {
    "hostname": "msi",
    "name": "msi",
    "version": "5.1.2"
  },
  "input_type": "log",
  "message": "0001\n2\n3\n4\n5\n6\n7\n8\n9\n10\n11\n12\n13\n14\n15\n16\n17\n18\n19\n20\n21\n22\n23\n24\n25\n26\n27\n28\n29\n30\n31\n32\n33\n34\n35\n36\n37\n38\n39\n40\n41\n42\n43\n44\n45\n46\n47\n48\n49\n50\n51\n52\n53\n54\n55\n56\n57\n58\n59\n60\n61\n62\n63\n64\n65\n66\n67\n68\n69\n70\n71\n72\n73\n74\n75\n76\n77\n78\n79\n80\n81\n82\n83\n84\n85\n86\n87\n88\n89\n90\n91\n92\n93\n94\n95\n96\n97\n98\n99\n100\n101\n102\n103\n104\n105\n106\n107\n108\n109\n110\n111\n112\n113\n114\n115\n116\n117\n118\n119\n120\n121\n122\n123\n124\n125\n126\n127\n128\n129\n130\n131\n132\n133\n134\n135\n136\n137\n138\n139\n140\n141\n142\n143\n144\n145\n146\n147\n148\n149\n150\n151\n152\n153\n154\n155\n156\n157\n158\n159\n160\n161\n162\n163\n164\n165\n166\n167\n168\n169\n170\n171\n172\n173\n174\n175\n176\n177\n178\n179\n180\n181\n182\n183\n184\n185\n186\n187\n188\n189\n190\n191\n192\n193\n194\n195\n196\n197\n198\n199\n200\n201\n202\n203\n204\n205\n206\n207\n208\n209\n210\n211\n212\n213\n214\n215\n216\n217\n218\n219\n220\n221\n222\n223\n224\n225\n226\n227\n228\n229\n230\n231\n232\n233\n234\n235\n236\n237\n238\n239\n240\n241\n242\n243\n244\n245\n246\n247\n248\n249\n250\n251\n252\n253\n254\n255\n256\n257\n258\n259\n260\n261\n262\n263\n264\n265\n266\n267\n268\n269\n270\n271\n272\n273\n274\n275\n276\n277\n278\n279\n280\n281\n282\n283\n284\n285\n286\n287\n288\n289\n290\n291\n292\n293\n294\n295\n296\n297\n298\n299\n300\n301\n302\n303\n304\n305\n306\n307\n308\n309\n310\n311\n312\n313\n314\n315\n316\n317\n318\n319\n320\n321\n322\n323\n324\n325\n326\n327\n328\n329\n330\n331\n332\n333\n334\n335\n336\n337\n338\n339\n340\n341\n342\n343\n344\n345\n346\n347\n348\n349\n350\n351\n352\n353\n354\n355\n356\n357\n358\n359\n360\n361\n362\n363\n364\n365\n366\n367\n368\n369\n370\n371\n372\n373\n374\n375\n376\n377\n378\n379\n380\n381\n382\n383\n384\n385\n386\n387\n388\n389\n390\n391\n392\n393\n394\n395\n396\n397\n398\n399\n400\n401\n402\n403\n404\n405\n406\n407\n408\n409\n410\n411\n412\n413\n414\n415\n416\n417\n418\n419\n420\n421\n422\n423\n424\n425\n426\n427\n428\n429\n430\n431\n432\n433\n434\n435\n436\n437\n438\n439\n440\n441\n442\n443\n444\n445\n446\n447\n448\n449\n450\n451\n452\n453\n454\n455\n456\n457\n458\n459\n460\n461\n462\n463\n464\n465\n466\n467\n468\n469\n470\n471\n472\n473\n474\n475\n476\n477\n478\n479\n480\n481\n482\n483\n484\n485\n486\n487\n488\n489\n490\n491\n492\n493\n494\n495\n496\n497\n498\n499\n500",
  "offset": 3891,
  "source": "/logs/maxlines.csv",
  "type": "log"
}
2017/01/29 08:56:26.103689 output.go:109: DBG  output worker: publish 1 events
2017/01/29 08:56:26.103697 sync.go:53: DBG  connect
2017/01/29 08:56:26.103703 tls.go:200: WARN SSL/TLS verifications disabled.
2017/01/29 08:56:26.129555 sync.go:107: DBG  Try to publish 1 events to logstash with window size 10
2017/01/29 08:56:26.136707 sync.go:78: DBG  1 events out of 1 events sent to logstash. Continue sending
2017/01/29 08:56:26.136726 single.go:150: DBG  send completed
2017/01/29 08:56:26.136750 sync.go:68: DBG  Events sent: 1
2017/01/29 08:56:26.136768 registrar.go:275: DBG  Processing 1 events
2017/01/29 08:56:26.136777 registrar.go:261: DBG  Registrar states cleaned up. Before: 1, After: 1
2017/01/29 08:56:26.136785 registrar.go:298: DBG  Write registry file: /usr/share/filebeat/bin/data/registry
2017/01/29 08:56:26.138480 registrar.go:323: DBG  Registry file updated. 1 states written.

filebeat.yml

filebeat.prospectors:
- input_type: log
  paths:
    - /logs/maxlines.csv

  # match all numbers with at least 4 digits
  multiline.pattern: '^[[:digit:]]{4,}'
  multiline.negate: true
  multiline.match: after
  multiline.max_linex: 10000

output.logstash:
  hosts: ["logstash:5000"]
  ssl.certificate: "mycertificate"
  ssl.key: "mykey"
  ssl.verification_mode: none

#================================ Logging =====================================

# Sets log level. The default log level is info.
# Available log levels are: critical, error, warning, info, debug
logging.level: debug

# At debug level, you can selectively enable logging only for some components.
# To enable all selectors use ["*"]. Examples of other selectors are "beat",
# "publish", "service".
logging.selectors: ["*"]

logstash-input.conf

input {
  beats {
    port => "5000"
    ssl => true
    ssl_certificate => "mycertificate"
    ssl_key => "mykey"
  }
}

maxlines.csv

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