This Week in OpenNMS: April 23rd, 2018

It's time for This Week in OpenNMS!

In the last week we released Horizon 21.1.0, Meridian 2016.1.12, and
Meridian 2017.1.7, and did more work on Drift and preparing for Meridian
2018.


    <#github-project-updates>Github Project Updates

  *

    *Internals, APIs, and Documentation*

      o Markus worked on some Elasticsearch updates.
      o I worked on refactoring out our Karaf container build so it can
        be shared between Minion and Sentinel.
      o Chandra worked on making telemetry persistence groovy scripts
        reloadable at runtime.
      o Patrick did performance improvements to flow query indexing.
      o Markus added support for handling source and destination in
        classification rules.
      o Jesse fixed a thread-safety issue in the index strategy code.
      o Jesse worked on improving startup cache handling in Newts.
      o Antonio worked on some bridge discovery bugs in Enlinkd.
      o Ronny worked on refactoring a number of MIB definitions.
  *

    *Web & UI*

      o Markus made some enhancements to the classification web UI.
      o Christian made it possible to use an embedded grafana box in the
        web UI when running behind a proxy.
      o David did some work on a correlation proof-of-concept in
        OpenNMS.js and Helm.


    <#opennms-horizon-2110-released>OpenNMS Horizon 21.1.0 Released

OpenNMS Horizon 21.1.0 (code name: Replicant
<https://bladerunner.wikia.com/wiki/Replicant>) was released last Thursday.

It contains bug fixes and a few enhancements, including support for
forwarding events, alarms, and nodes to Kafka.

For more details on what has changed, see the complete change log
<http://docs.opennms.org/opennms/releases/21.1.0/releasenotes/#releasenotes-changelog-21.1.0>.


    <#opennms-meridian-2016112-and-201717-released>OpenNMS Meridian
    2016.1.12
    <https://www.opennms.com/2018/04/23/opennms-meridian-2016-1-12-released/>
    and 2017.1.7
    <https://www.opennms.com/2018/04/20/opennms-meridian-2017-1-7-released/>
    Released

Both releases include a small bug fix in event handling.

Additionally, Meridian 2017.1.7 contains a few other small bug fixes,
enhancements, and configuration updates. See the release announcement
<https://www.opennms.com/2018/04/20/opennms-meridian-2017-1-7-released/>
for more details.


    <#in-development-sentinel>In Development: Sentinel

As we wrap up the Drift project
<https://www.opennms.org/en/blog/twio/2017-10-09-this-week-in-opennms>
(expected to be included in OpenNMS Horizon 22), we are starting up a
new project codenamed "Sentinel"
<https://wiki.opennms.org/wiki/DevProjects/Sentinel> to create a new
Karaf container capable of running some components of OpenNMS standalone.

In the short term, the goal of Sentinel is to be able to horizontally
scale Drift, receiving telemetry data and enhancing it with additional
OpenNMS metadata, then passing it on to Elasticsearch for storage and
indexing.

Over time, we should be able to expand it out to run other components of
OpenNMS as well, eventually being able to run any combination of OpenNMS
subsystems across multiple systems and/or processes.


    <#upcoming-events-and-appearances>Upcoming Events and Appearances

  *

    *Africa Internet Summit - April 29th through May 11th, 2018
    <http://internetsummitafrica.org/>*

    Tarus Balog will be conducting a one day workshop on OpenNMS
    <https://www.internetsummit.africa/agenda/programme> at the Africa
    Network Operators group <https://afnog.org/>'s annual Africa
    Internet Summit (AIS) <http://internetsummitafrica.org/> to be held
    in Dakar, Senegal. The training is currently scheduled for Sunday,
    May 6th.

  *

    *Dev-Jam 2018 - June 10th through 16th, 2018
    <https://wiki.opennms.org/wiki/Dev-Jam_2018>*

    The OpenNMS developers conference, Dev-Jam, will return again this
    year to the University of Minnesota in Minneapolis. Dev-Jam is a
    week of fun -- half hackathon, half social get-together. More
    information is available on the OpenNMS wiki
    <https://wiki.opennms.org/wiki/Dev-Jam_2018> and registration is now
    open <http://www.opennms.com/opennms-dev-jam-registration> -- please
    join us! All are welcome.

  *

    *OpenNMS User Conference Europe 2018 - September 20th through 21st,
    2018 <https://ouce.opennms.eu/>*

    OUCE 2018 <https://ouce.opennms.eu/> will be held at the Rilano
    Hotel in Munich, Germany <https://www.rilano-hotel-muenchen.de/>. A
    reception will be held on Wednesday the 19th, with talks and
    workshops the following Thursday and Friday. The call for papers
    <https://ouce.opennms.eu/cfp/2018/> is now open for submissions.


    <#until-next-week>Until Next Week…

If there’s anything you’d like me to talk about in a future TWiO, or you
just have a comment or criticism you’d like to share, don’t hesitate to
say hi <mailto:[email protected]>.

- Ben


    <#resolved-issues-since-last-twio>Resolved Issues Since Last TWiO

  * HELM-90 <https://issues.opennms.org/browse/HELM-90>: Options tab in
    Alarm Table shows OpenNMS homepage
  * HZN-1256 <https://issues.opennms.org/browse/HZN-1256>: Kafka Entity
    Streams
  * HZN-1272 <https://issues.opennms.org/browse/HZN-1272>: EventToIndex
    - Alarm Change Old/New parameters submitted to ES as single string
    and not JSON objects
  * HZN-1281 <https://issues.opennms.org/browse/HZN-1281>: Netflow -
    Limit queries to specified indices
  * HZN-1296 <https://issues.opennms.org/browse/HZN-1296>: Flow
    documents logged against incorrect ES index
  * HZN-1298 <https://issues.opennms.org/browse/HZN-1298>: Make time
    padding for IndexSelector configurable
  * NMS-8974 <https://issues.opennms.org/browse/NMS-8974>: missing files
    in debian x64 distribution
  * NMS-9559 <https://issues.opennms.org/browse/NMS-9559>: Store
    forwarders lacks of memory
  * NMS-9831 <https://issues.opennms.org/browse/NMS-9831>: Karaf
    opennms-es-rest Plugin - Creating OID mappings causing ES index
    mappings to exceed 1000
  * NMS-9915 <https://issues.opennms.org/browse/NMS-9915>: JasperStudio
    extension dependency error
  * NMS-9916 <https://issues.opennms.org/browse/NMS-9916>: The Grafana
    Box on the front page doesn't work when Grafana is behind a Web Proxy
  * NMS-9937 <https://issues.opennms.org/browse/NMS-9937>: Refactor
    UserGroupLdapAuthoritiesPopulator to provide a default role.
  * NMS-9952 <https://issues.opennms.org/browse/NMS-9952>: The JDBC
    Collector doesn't work

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