Cherry-pick #16204 to 7.x: Filebeat: Merge "mqtt" input to master (#1…

…6284) * Filebeat: Merge "mqtt" input to master (#16204) * Add MQTT input to Filebeat (#15287) * Inital commit for MQTT input * Improved naming and error handling * Improved naming and connection procedure * Merge "master" branch into "feature-mqtt-input" (#15745) * [Filebeat] Fixes for NetFlow v9 devices from various vendors (#15449) - Allow for zero scope fields in options template NetFlow v9 spec allows for options templates that contain no scope fields. The netflow input was treating this case as an error and discarding the template, but that is only applicable to IPFIX. - Use additional fields to populate bytes/pkt counters Some devices out there (Cisco NSEL) use fields 231/232 as bytes counters, when those are supposed to be layer 4 payload counters. This updates the ECS fields populator to use those fields when the expected ones are not found. - Support a classId of 32 bits While the spec mandates a classId of 8 bits, some Cisco ASA devices actually use a 32 bit version of this field. This patches the field to allow up to 32-bit integers and updates the index pattern to use `long` for the `netflow.class_id` field. - Add more fields from v9 Cisco devices Fixes #14212 * update settings for `decode_csv_fields` (#15249) (#15550) Co-authored-by: DeDe Morton <dede.morton@elastic.co> Co-authored-by: Sophia Xu <sophia.xu@elastic.co> * docs: updates to output config (#15272) * [Filebeat] Handle error message in handleS3Objects function (#15545) * Handle error message in handleS3Objects function * remove s3Context.Fail and use setError and done instead * Add changelog * Fix use of wrong fields in Cisco ASA dashboard (#15553) This dashboard wasn't updated after a couple of fields were renamed. Fixes: #15420 * Add test for publisher spool encode and decode. (#15534) * Add test for publisher queue encode and decode. * Run mage fmt. * Fixes from code review. * Fix convert processor conversion of string with leading zeros to integer (#15557) The conversion failed when for strings with leading zeroes and a decimal digit 8 or 9, as the underlying runtime function would try to parse that as an octal number. This is fixed by only allowing decimal and hex, which in turns makes the processor more aligned to its Elasticsearch counterpart. Fixes #15513 * New mage target: generate pkg file to test the manager (#15580) This PR adds a new mage target to Functionbeat named `buildPkgForFunction`. It generates the folder `pkg` with the functions to make testing the manager more comfortable during development. * Packetbeat TLS: Replace array fields with keyword (#15597) Use of `type: array` in some fields (which was inconsistent) causes those fields to be excluded from the template. This prevents pointing aliases to those fields, which we need in 7.6+. Setting those fields to `keyword` explicitly so that they are included in the template. Fixes #15588 * Add a pull request template providing valuable information when reviewing a PR (#15388) * Add a PR template that provides valuable information when reviewing a PR * Add CLA check * Fix typo * Address comments during review * SF: Fix typo * Add deprecation as PR type * Make it clear how to strike through in markdown * Add default configuration files to the checklist * [Metricbeat] Implement IBM MQ module (#15301) * Modify cockroachdb source * Define testdata * Do not publish ports * Update docs * mage fmt update * Describe containerized environment * Update CHANGELOG.next.asciidoc Co-Authored-By: Chris Mark <chrismarkou92@gmail.com> * Update data.json * Rename image * Update source after review * Filter ibmmq_ metrics * mage check * Fix: mage check * Don't expose port * Rename status to qmgr * Add subscriptions overview dashboard for IBM MQ module * Add calls, messages overview dashboard for IBM MQ module * Add screenshots * Fix: mage check * Fix: CHANGELOG * Add explanation * Fix: mage check Co-authored-by: Chris Mark <chrismarkou92@gmail.com> * Cleanup changelogs for master (#15617) * Cleanup changelogs for master * Remove extra header in CHANGELOG.asciidoc * [Metricbeat] Add lambda metricset in aws module (#15260) * Add lambda metricset * Adds missing imports (#15624) * [docs] Clarify privileges required for the writer role (#15604) * Mask password discovered via module autodiscover hint (#15616) * Mask password is string representation of config * Rename method * Adding unit test * Use const for module config password setting name * Using common.DebugString * Simplifying * Removing now-invalid unit test * Removing now-unnecessary const * Refactoring: moving debug-related var and func to common file * Refactoring: rename from black list to mask list * Implement fmt.Formatter for common.MapStr * Reintroduce debug statement * Make MarshalLogObject always filter MapStr object for logging purposes * Refactoring: renaming to be bit more generic * Forgot to add license header to new file * Fixing verb syntax * Update KQL to get estimated cost without dimension ServiceName (#15640) * Adding monitoring.cloud.* settings to reference files (#15648) * Adding monitoring.cloud.* settings to reference files * Missed winlogbeat somehow * Missed x-pack/winlogbeat * remove lablels (#15644) * Fix panic: don't send events if client is nil (#15568) * Fix panic: don't send events if client is nil * Use mutex * Add CHANGELOG entry * Rename changelog entry * Fix: changelog * Temporarily use specific logstash release * [Metricbeat] Add Istio mesh metricset (#15535) * [Metricbeat] Fix changelog (#15681) * Fix changelog * ci: use APM pipeline library (#15636) it uses APM pipeline library configured in the instance * AWS Lambda: downgrade Kibana dashboard (#15682) * AWS Lambda: downgrade Kibana dashboard * Downgrade other AWS dashboards * Log command error if setup dashboards fails * Another downgrade * Use github.com/godror/godror instead of goracle.v2 (#15683) From the README of goracle: > Goracle is deprecated because of naming (trademark) issues. From now on we are using github.com/godror/godror instead. * Move pdh query to shared location in order for new modules/metricsets to reuse (#15503) * Move pdh query to shared location * Update changelog * Fix make update * mage fmt * fix changelog * Remove datasource option from SQL module and add tests (#15686) Remove datasource option from SQL module. This option was intended to set the DSN of a database connection, and we were ignoring the hosts setting. In other SQL modules we are using the values in hosts as DSNs, do here the same for consistency. Host is redacted when we cannot parse it as it can contain passwords. StandardizeEvent is exposed in mbtest.Fetcher interface so we can more easily check contents of events in tests. Add integration tests of the module with MySQL and PostgreSQL. Add real data.json with data from MySQL and PostgreSQL. * [metricbeat] add service metricset to reference documentation (#15643) * add service metricset to ref docs * update xpack docs * [metricbeat] Add divide by zero check to docker/diskio (#15649) * add NaN check to docker/diskio * return 0 * Change joda style pattern to java style (#15695) since 7.0 elasticsearch is using java.time style patterns. YYYY becomes yyyy * [DOCS] Add missing config options to shared file (#15136) * [DOCS] Add missing config options to shared file * Add fixes from review * Run mage fmt update to fix build error * [Heartbeat] Support for multiple status codes #13595 (#15587) Allow for multiple status codes in config. Fixes #13595 * Add missing changelog entry for #15587 (#15721) * Update github.com/godror/godror to v0.10.4 (#15737) ## What does this PR do? This PR updates the dependency `github.com/godror/godror` to v0.10.4. ## Why is it important? Packaging of Metricbeat fails due to the issue in the `godror` version we are currently using. See more about the problem: godror/godror#8 * Collect normalized CPU percentages by default (#15729) * Collect normalized CPU percentages by default * Adding CHANGELOG entry * Updating x-pack/metricbeat * Fix: mage check * Detect Eclipse Public License Co-authored-by: Adrian Serrano <adrisr83@gmail.com> Co-authored-by: DeDe Morton <dede.morton@elastic.co> Co-authored-by: Sophia Xu <sophia.xu@elastic.co> Co-authored-by: Brandon Morelli <bmorelli25@gmail.com> Co-authored-by: kaiyan-sheng <kaiyan.sheng@elastic.co> Co-authored-by: Blake Rouse <blake.rouse@elastic.co> Co-authored-by: Noémi Ványi <kvch@users.noreply.github.com> Co-authored-by: Manuel de la Peña <social.mdelapenya@gmail.com> Co-authored-by: Chris Mark <chrismarkou92@gmail.com> Co-authored-by: Michael Madden <mikemadden42@users.noreply.github.com> Co-authored-by: Shaunak Kashyap <ycombinator@gmail.com> Co-authored-by: Pablo Mercado <pablo.mercado@elastic.co> Co-authored-by: Ivan Fernandez Calvo <kuisathaverat@users.noreply.github.com> Co-authored-by: Mariana Dima <mariana@elastic.co> Co-authored-by: Jaime Soriano Pastor <jaime.soriano@elastic.co> Co-authored-by: Alex K. <8418476+fearful-symmetry@users.noreply.github.com> Co-authored-by: Przemyslaw Gomulka <przemyslaw.gomulka@elastic.co> Co-authored-by: Amanda H. L. de Andrade Katz <amanda.andrade@serpro.gov.br> Co-authored-by: Andrew Cholakian <andrew@andrewvc.com> * [Filebeat] Refactor mqtt input (#16014) * Refactor mqtt input * Fix: comment * Add unit tests * Test: input run * Fix Test: run and stop * Test: backoff * Adjust code after review * MQTT: update docs (#16152) * MQTT: add integration test (#16143) * Create mosquitto image * MQTT input: add integration test * Fix * Verify connectivity * Fix * Fix: mage check * Fix * Fix * Fix: remove global var * Update changelog * Fix: regenerate notice file * Remove unused dependency * Fix: zero qos * Wait asynchronously for client being disconnected Co-authored-by: Felix <felix.roessel@elastic.co> Co-authored-by: Adrian Serrano <adrisr83@gmail.com> Co-authored-by: DeDe Morton <dede.morton@elastic.co> Co-authored-by: Sophia Xu <sophia.xu@elastic.co> Co-authored-by: Brandon Morelli <bmorelli25@gmail.com> Co-authored-by: kaiyan-sheng <kaiyan.sheng@elastic.co> Co-authored-by: Blake Rouse <blake.rouse@elastic.co> Co-authored-by: Noémi Ványi <kvch@users.noreply.github.com> Co-authored-by: Manuel de la Peña <social.mdelapenya@gmail.com> Co-authored-by: Chris Mark <chrismarkou92@gmail.com> Co-authored-by: Michael Madden <mikemadden42@users.noreply.github.com> Co-authored-by: Shaunak Kashyap <ycombinator@gmail.com> Co-authored-by: Pablo Mercado <pablo.mercado@elastic.co> Co-authored-by: Ivan Fernandez Calvo <kuisathaverat@users.noreply.github.com> Co-authored-by: Mariana Dima <mariana@elastic.co> Co-authored-by: Jaime Soriano Pastor <jaime.soriano@elastic.co> Co-authored-by: Alex K. <8418476+fearful-symmetry@users.noreply.github.com> Co-authored-by: Przemyslaw Gomulka <przemyslaw.gomulka@elastic.co> Co-authored-by: Amanda H. L. de Andrade Katz <amanda.andrade@serpro.gov.br> Co-authored-by: Andrew Cholakian <andrew@andrewvc.com> (cherry picked from commit 56c93e5) * Update CHANGELOG
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diff --git a/CHANGELOG.next.asciidoc b/CHANGELOG.next.asciidoc
@@ -190,6 +190,7 @@ https://github.com/elastic/beats/compare/v7.0.0-alpha2...master[Check the HEAD d
 - Add ECS tls fields to zeek:smtp,rdp,ssl and aws:s3access,elb {issue}15757[15757] {pull}15935[15936]
 - move create-[module,fileset,fields] to mage and enable in x-pack/filebeat {pull}15836[15836]
 - Add ECS tls and categorization fields to apache module. {issue}16032[16032] {pull}16121[16121]
+- Add MQTT input. {issue}15602[15602] {pull}16204[16204]
 
 *Heartbeat*
 

diff --git a/NOTICE.txt b/NOTICE.txt
@@ -1289,6 +1289,99 @@ LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 SOFTWARE.
 --------------------------------------------------------------------
+Dependency: github.com/eclipse/paho.mqtt.golang
+Revision: 0d940dd29fd24f905cd16b28b1209b4977b97e1a
+License type (autodetected): EPL-1.0
+./vendor/github.com/eclipse/paho.mqtt.golang/LICENSE:
+--------------------------------------------------------------------
+Eclipse Public License - v 1.0
+
+THE ACCOMPANYING PROGRAM IS PROVIDED UNDER THE TERMS OF THIS ECLIPSE PUBLIC LICENSE ("AGREEMENT"). ANY USE, REPRODUCTION OR DISTRIBUTION OF THE PROGRAM CONSTITUTES RECIPIENT'S ACCEPTANCE OF THIS AGREEMENT.
+
+1. DEFINITIONS
+
+"Contribution" means:
+
+a) in the case of the initial Contributor, the initial code and documentation distributed under this Agreement, and
+
+b) in the case of each subsequent Contributor:
+
+i) changes to the Program, and
+
+ii) additions to the Program;
+
+where such changes and/or additions to the Program originate from and are distributed by that particular Contributor. A Contribution 'originates' from a Contributor if it was added to the Program by such Contributor itself or anyone acting on such Contributor's behalf. Contributions do not include additions to the Program which: (i) are separate modules of software distributed in conjunction with the Program under their own license agreement, and (ii) are not derivative works of the Program.
+
+"Contributor" means any person or entity that distributes the Program.
+
+"Licensed Patents" mean patent claims licensable by a Contributor which are necessarily infringed by the use or sale of its Contribution alone or when combined with the Program.
+
+"Program" means the Contributions distributed in accordance with this Agreement.
+
+"Recipient" means anyone who receives the Program under this Agreement, including all Contributors.
+
+2. GRANT OF RIGHTS
+
+a) Subject to the terms of this Agreement, each Contributor hereby grants Recipient a non-exclusive, worldwide, royalty-free copyright license to reproduce, prepare derivative works of, publicly display, publicly perform, distribute and sublicense the Contribution of such Contributor, if any, and such derivative works, in source code and object code form.
+
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+
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+Contributors may not remove or alter any copyright notices contained within the Program.
+
+Each Contributor must identify itself as the originator of its Contribution, if any, in a manner that reasonably allows subsequent Recipients to identify the originator of the Contribution.
+
+4. COMMERCIAL DISTRIBUTION
+
+Commercial distributors of software may accept certain responsibilities with respect to end users, business partners and the like. While this license is intended to facilitate the commercial use of the Program, the Contributor who includes the Program in a commercial product offering should do so in a manner which does not create potential liability for other Contributors. Therefore, if a Contributor includes the Program in a commercial product offering, such Contributor ("Commercial Contributor") hereby agrees to defend and indemnify every other Contributor ("Indemnified Contributor") against any losses, damages and costs (collectively "Losses") arising from claims, lawsuits and other legal actions brought by a third party against the Indemnified Contributor to the extent caused by the acts or omissions of such Commercial Contributor in connection with its distribution of the Program in a commercial product offering. The obligations in this section do not apply to any claims or Losses relating to any actual or alleged intellectual property infringement. In order to qualify, an Indemnified Contributor must: a) promptly notify the Commercial Contributor in writing of such claim, and b) allow the Commercial Contributor to control, and cooperate with the Commercial Contributor in, the defense and any related settlement negotiations. The Indemnified Contributor may participate in any such claim at its own expense.
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+For example, a Contributor might include the Program in a commercial product offering, Product X. That Contributor is then a Commercial Contributor. If that Commercial Contributor then makes performance claims, or offers warranties related to Product X, those performance claims and warranties are such Commercial Contributor's responsibility alone. Under this section, the Commercial Contributor would have to defend claims against the other Contributors related to those performance claims and warranties, and if a court requires any other Contributor to pay any damages as a result, the Commercial Contributor must pay those damages.
+
+5. NO WARRANTY
+
+EXCEPT AS EXPRESSLY SET FORTH IN THIS AGREEMENT, THE PROGRAM IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED INCLUDING, WITHOUT LIMITATION, ANY WARRANTIES OR CONDITIONS OF TITLE, NON-INFRINGEMENT, MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. Each Recipient is solely responsible for determining the appropriateness of using and distributing the Program and assumes all risks associated with its exercise of rights under this Agreement , including but not limited to the risks and costs of program errors, compliance with applicable laws, damage to or loss of data, programs or equipment, and unavailability or interruption of operations.
+
+6. DISCLAIMER OF LIABILITY
+
+EXCEPT AS EXPRESSLY SET FORTH IN THIS AGREEMENT, NEITHER RECIPIENT NOR ANY CONTRIBUTORS SHALL HAVE ANY LIABILITY FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING WITHOUT LIMITATION LOST PROFITS), HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OR DISTRIBUTION OF THE PROGRAM OR THE EXERCISE OF ANY RIGHTS GRANTED HEREUNDER, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
+
+7. GENERAL
+
+If any provision of this Agreement is invalid or unenforceable under applicable law, it shall not affect the validity or enforceability of the remainder of the terms of this Agreement, and without further action by the parties hereto, such provision shall be reformed to the minimum extent necessary to make such provision valid and enforceable.
+
+If Recipient institutes patent litigation against any entity (including a cross-claim or counterclaim in a lawsuit) alleging that the Program itself (excluding combinations of the Program with other software or hardware) infringes such Recipient's patent(s), then such Recipient's rights granted under Section 2(b) shall terminate as of the date such litigation is filed.
+
+All Recipient's rights under this Agreement shall terminate if it fails to comply with any of the material terms or conditions of this Agreement and does not cure such failure in a reasonable period of time after becoming aware of such noncompliance. If all Recipient's rights under this Agreement terminate, Recipient agrees to cease use and distribution of the Program as soon as reasonably practicable. However, Recipient's obligations under this Agreement and any licenses granted by Recipient relating to the Program shall continue and survive.
+
+Everyone is permitted to copy and distribute copies of this Agreement, but in order to avoid inconsistency the Agreement is copyrighted and may only be modified in the following manner. The Agreement Steward reserves the right to publish new versions (including revisions) of this Agreement from time to time. No one other than the Agreement Steward has the right to modify this Agreement. The Eclipse Foundation is the initial Agreement Steward. The Eclipse Foundation may assign the responsibility to serve as the Agreement Steward to a suitable separate entity. Each new version of the Agreement will be given a distinguishing version number. The Program (including Contributions) may always be distributed subject to the version of the Agreement under which it was received. In addition, after a new version of the Agreement is published, Contributor may elect to distribute the Program (including its Contributions) under the new version. Except as expressly stated in Sections 2(a) and 2(b) above, Recipient receives no rights or licenses to the intellectual property of any Contributor under this Agreement, whether expressly, by implication, estoppel or otherwise. All rights in the Program not expressly granted under this Agreement are reserved.
+
+This Agreement is governed by the laws of the State of New York and the intellectual property laws of the United States of America. No party to this Agreement will bring a legal action under this Agreement more than one year after the cause of action arose. Each party waives its rights to a jury trial in any resulting litigation.
+--------------------------------------------------------------------
 Dependency: github.com/elastic/ecs
 Version: v1.4.0
 Revision: cc4b36eebec29975f57cd0475c3987c9bde5c15a
@@ -2731,6 +2824,35 @@ License type (autodetected): Apache-2.0
 Apache License 2.0
 
 
+--------------------------------------------------------------------
+Dependency: github.com/gorilla/websocket
+Revision: c3e18be99d19e6b3e8f1559eea2c161a665c4b6b
+License type (autodetected): BSD-2-Clause
+./vendor/github.com/gorilla/websocket/LICENSE:
+--------------------------------------------------------------------
+Copyright (c) 2013 The Gorilla WebSocket Authors. All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+  Redistributions of source code must retain the above copyright notice, this
+  list of conditions and the following disclaimer.
+
+  Redistributions in binary form must reproduce the above copyright notice,
+  this list of conditions and the following disclaimer in the documentation
+  and/or other materials provided with the distribution.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
 --------------------------------------------------------------------
 Dependency: github.com/grpc-ecosystem/go-grpc-prometheus
 Revision: ae0d8660c5f2108ca70a3776dbe0fb53cf79f1da

diff --git a/dev-tools/generate_notice.py b/dev-tools/generate_notice.py
@@ -309,6 +309,10 @@ def create_notice(filename, beat, copyright, vendor_dirs, csvfile, overrides=Non
     "Creative Commons Attribution-ShareAlike 4.0 International"
 ]
 
+ECLIPSE_PUBLIC_LICENSE_TITLES = [
+    "Eclipse Public License - v 1.0"
+]
+
 LGPL_3_LICENSE_TITLE = [
     "GNU LESSER GENERAL PUBLIC LICENSE Version 3"
 ]
@@ -348,16 +352,18 @@ def detect_license_summary(content):
         return "LGPL-3.0"
     if any(sentence in content[0:1500] for sentence in UNIVERSAL_PERMISSIVE_LICENSE_TITLES):
         return "UPL-1.0"
-
+    if any(sentence in content[0:1500] for sentence in ECLIPSE_PUBLIC_LICENSE_TITLES):
+        return "EPL-1.0"
     return "UNKNOWN"
 
 
 ACCEPTED_LICENSES = [
     "Apache-2.0",
-    "MIT",
     "BSD-4-Clause",
     "BSD-3-Clause",
     "BSD-2-Clause",
+    "EPL-1.0",
+    "MIT",
     "MPL-2.0",
     "UPL-1.0",
 ]

diff --git a/filebeat/docker-compose.yml b/filebeat/docker-compose.yml
@@ -16,6 +16,8 @@ services:
       - KAFKA_PORT=9092
       - KIBANA_HOST=kibana
       - KIBANA_PORT=5601
+      - MOSQUITTO_HOST=mosquitto
+      - MOSQUITTO_PORT=1883
     working_dir: /go/src/github.com/elastic/beats/filebeat
     volumes:
       - ${PWD}/..:/go/src/github.com/elastic/beats/
@@ -31,6 +33,7 @@ services:
       elasticsearch: { condition: service_healthy }
       kafka:         { condition: service_healthy }
       kibana:        { condition: service_healthy }
+      mosquitto:     { condition: service_healthy }
       redis:         { condition: service_healthy }
 
   elasticsearch:
@@ -51,5 +54,10 @@ services:
       file: ${ES_BEATS}/testing/environments/${TESTING_ENVIRONMENT}.yml
       service: kibana
 
+  mosquitto:
+    build: ${ES_BEATS}/testing/environments/docker/mosquitto
+    expose:
+      - 1883
+
   redis:
     build: ${PWD}/input/redis/_meta
diff --git a/filebeat/docs/filebeat-options.asciidoc b/filebeat/docs/filebeat-options.asciidoc
@@ -51,6 +51,7 @@ You can configure {beatname_uc} to use the following inputs:
 * <<{beatname_lc}-input-docker>>
 * <<{beatname_lc}-input-tcp>>
 * <<{beatname_lc}-input-syslog>>
+* <<{beatname_lc}-input-mqtt>>
 * <<{beatname_lc}-input-s3>>
 * <<{beatname_lc}-input-netflow>>
 * <<{beatname_lc}-input-google-pubsub>>
@@ -75,6 +76,8 @@ include::inputs/input-tcp.asciidoc[]
 
 include::inputs/input-syslog.asciidoc[]
 
+include::inputs/input-mqtt.asciidoc[]
+
 include::../../x-pack/filebeat/docs/inputs/input-aws-s3.asciidoc[]
 
 include::../../x-pack/filebeat/docs/inputs/input-netflow.asciidoc[]

diff --git a/filebeat/docs/inputs/input-mqtt.asciidoc b/filebeat/docs/inputs/input-mqtt.asciidoc
@@ -0,0 +1,81 @@
+:type: mqtt
+
+[id="{beatname_lc}-input-{type}"]
+=== MQTT input
+
+++++
+<titleabbrev>MQTT</titleabbrev>
+++++
+
+Use the `MQTT` input to read data transmitted using lightweight messaging protocol
+for small and mobile devices, optimized for high-latency or unreliable networks.
+
+This input connects to the MQTT broker, subscribes to selected topics and parses data
+into common message lines. Everything happens before line filtering, multiline, and JSON decoding,
+so this input can be used in combination with those settings.
+
+Example configuration:
+
+["source","yaml",subs="attributes"]
+----
+{beatname_lc}.inputs:
+- type: mqtt
+  hosts: <1>
+    - tcp://broker:1883
+    - ssl://secure_broker:8883
+  topics: <2>
+    - sample_topic
+----
+
+<1> `hosts` are required.
+
+<2> `paths` are required.
+
+All other settings are optional.
+
+==== Configuration options
+
+The `mqtt` input supports the following configuration options plus the
+<<{beatname_lc}-input-{type}-common-options>> described later.
+
+===== `hosts`
+
+A list of MQTT brokers to connect to.
+
+===== `topics`
+
+A list of topics to subscribe to and read from.
+
+===== `qos`
+
+An agreement level between the sender of a message and the receiver of a message that defines the guarantee of delivery.
+
+There are 3 QoS levels in MQTT:
+
+* At most once (`0`),
+* At least once (`1`),
+* Exactly once (`2`).
+
+===== `client_id`
+
+A unique identifier of each MQTT client connecting to a MQTT broker.
+
+===== `username`
+
+A client username used for authentication provided on the application level by the MQTT protocol.
+
+===== `password`
+
+A client password used for authentication provided on the application level by the MQTT protocol.
+
+===== `ssl`
+
+Configuration options for SSL parameters like the certificate, key and the certificate authorities
+to use.
+
+See <<configuration-ssl>> for more information.
+
+[id="{beatname_lc}-input-{type}-common-options"]
+include::../inputs/input-common-options.asciidoc[]
+
+:type!:
diff --git a/filebeat/include/list.go b/filebeat/include/list.go