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Packetbeat
Network data can tell you a detailed story of what's going on across your applications. Packetbeat is an open source project that is designed to provide real‑time analytics for web, database, and other network protocols. Whether you're in IT operations, security, or a business analyst, you can rapidly extend Packetbeat's functionality by adding new protocols, metrics, and analytics.
Usage
Packetbeat can be added to any principal charm thanks to the wonders of being a subordinate charm. The following usage example will deploy the elk stack, so we can visualize our wire data once we've established the link between packetbeat and Logstash
juju deploy cs:~containers/bundle/elk-stack
juju deploy cs:trusty/consul
juju deploy cs:trusty/packetbeat
juju add-relation packetbeat:beats-host consul
juju add-relation packetbeat logstash
Deploying the minimal Beats formation
If you do not need log buffering and alternate transforms on your data thats being shipped to ElasticSearch you can simply deploy the 'beats-core' bundle which stands up Elasticsearch, Kibana, and the three known working Beats subordinate services.
juju deploy cs:bundle/beats-core
juju deploy ubuntu
juju add-relation filebeat:beats-host ubuntu
juju add-relation topbeat:beats-host ubuntu
juju add-relation packetbeat:beats-host ubuntu
A note about the beats-host relationship
The Beats suite of charms leverage the implicit "juju-info" relation interface which is special and unique in the context of subordinates. This is what allows us to relate the beat to any host, but may have some display oddities in the juju-gui. Until this is resolved, it's recommended to relate beats to their principal services using the CLI
Changing whats being shipped
The charm supports configuration as service:port pairs. This is translated
by packetbeat into the correct "sniffers". Only packets for the service type
being transmit on the corresponding port will be shipped to the related
applications.
eg:
juju set packetbeat protocols="http:80 http:8080 http:9000"
to listen only for http traffic, on ports 80, 8080, and 9000
Testing the deployment
The services provide extended status reporting to indicate when they are ready:
juju status --format=tabular
This is particularly useful when combined with watch to track the on-going progress of the deployment:
watch -n 0.5 juju status --format=tabular
The message for each unit will provide information about that unit's state. Once they all indicate that they are ready, you can navigate to the kibana url and view the streamed log data from the Ubuntu host.
juju status kibana --format=yaml | grep public-address
open http://<kibana-ip>/ in a browser and begin creating your dashboard visualizations
Scale Out Usage
This bundle was designed to scale out. To increase the amount of log storage and indexers, you can add-units to elasticsearch.
juju add-unit elasticsearch
You can also increase in multiples, for example: To increase the number of Logstash parser/buffer/shipping services:
juju add-unit -n 2 logstash
To monitor additional hosts, simply relate the Packetbeat subordinate
juju add-relation packetbeat:beats-host my-charm
And configure as required according to the configuration section above.
Contact information
- Charles Butler <charles.butler@canonical.com>
- Matt Bruzek <matthew.bruzek@canonical.com>