This presentation provides an overview of Splunk apps and how to build Splunk addons. It discusses the different types of Splunk apps and addons, such as modular inputs, parsing configurations, and custom search commands. It also covers ways to build addons using the UCC framework or Addon Builder, as well as how to package and vet apps using CLI commands, APIs, and the packaging toolkit. Resources for learning app development are also provided.

1. © 2023 SPLUNK INC.
Splunk Apps
Overview
San Francisco Bay Area User Group
Feb 15 2023
Mayur Pipaliya
Sr. Manager FDSE | Splunk Inc.
Sandeep Vasani
Sr. Engineer FDSE | Splunk Inc

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Forward-
Looking
Statements
03.10.22-15:28

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Sr. Manager | FDSE
Mayur Pipaliya
Sr. Software Engineer | FDSE
Sandeep Vasani

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Agenda 1) What are Splunk Apps
– Splunk Enterprise and Splunk Cloud
2) Type of Splunk Apps
– Apps, Addons
3) Ways to build Splunk Addons
– Technology Addons (TA): Modular Input or Modular
Alert
4) Packaging and vetting
– CLIs, API’s
5) Q/A
– Questions

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Overall Apps Ecosystem
O11y Connectors
SOAR
Connectors
Splunk
Enterprise /
Cloud Apps
EP / EH

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What are Splunk Apps?
Packaged sets of configuration that extends the functionality of Splunk Platforms.
May contain:
● Data Input
● Parsing configs
● Custom Search Commands
● Alert Actions
● Custom Visualization
● Dashboards
● Pre-built Reports
Applies to Splunk Enterprise & Cloud

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Type of Splunk Apps
●Addons
○ Modular Inputs (GDI)
○ Parsing Configurations (CIM, Field Extractions)
●Apps
○ Modular Alert Action (GDO)
○ Custom Search Commands (MapReduce)
○ Custom Visualization (or Splunk UI Component)
○ Dashboards/Reports (UI)
○ Hybrid Apps (such as ES, ITSI)

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Types of Custom Search Commands
Types
● Generating
○ inputlookups, makeresults
● Streaming
○ Distributed
■ eval, where, field
○ Non Distributed/Centralized
■ head, streamstats
● Transforming
○ stats, timechart, chart
● Eventing/Dataset Processing
○ sort, dedup
Native ones written in C++, and custom ones can be written in Python

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Ways to Build Splunk Addons
● UCC Framework
○ Universal Configuration Console
○ Framework to generate UI based Splunk Addons.
○ Best for experienced developer. Provides more control over building.
● Addon Builder
○ Modular Inputs or Alerts
○ Parsing Configurations(CIM, Field Extractions)
○ Uses the UCC framework internally. But doesn’t expose all the features of UCC framework.
○ Limited UI options.
○ Best for simple addons.
Technology Addons (TA): Modular Input or Modular Alert

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App Packaging
○ Manually
○ Splunk Enterprise CLI command
○ Splunk Packaging toolkit
$ tar cvzf TA-sample-addon-for-splunk.tar.gz –disable-copyfile –exculde “local.meta” –exclude “.DS_Store” –exclude .git/ –exclude
“.gitignore” –exclude local/ –exclude __pycache__/ “TA-sample-addon-for-splunk”
$ splunk package app <appname>
$ slim package [-h] [--debug] [--quiet] [-o <output-dir>] [-r <repository>] [-u <level>] <app-source>

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App Vetting
○ Splunk Appinspect CLI
○ Splunk AppInspect API
splunk-appinspect inspect filepath/<APP-PACKAGE> --mode precert --included-tags cloud
curl -X POST
-H "Authorization: bearer <TOKEN>"
-H "Cache-Control: no-cache"
-F "app_package=@"/<PATH/APP-PACKAGE>""
-F "included_tags=cloud"
--url "https://appinspect.splunk.com/v1/app/validate"

17. © 2023 SPLUNK INC.
Resources
http://dev.splunk.com/enterprise
Free Developer License
Splunkbase
VS Code Extension
Community Slack (#appdev)
Addon Builder
UCC Framework
Splunk Apps/Addons

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Resources
Custom Search Commands
Examples
Custom Search Command

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Resources
Packaging Apps
Packaging Toolkit
Vetting Apps
Packaging and Vetting

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Thank You!