Splunk® Enterprise

Admin Manual

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Splunk Enterprise version 6.x is no longer supported as of October 23, 2019. See the Splunk Software Support Policy for details. For information about upgrading to a supported version, see How to upgrade Splunk Enterprise.
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The following are the spec and example files for app.conf.


#   Version 6.4.1
# This file maintains the state of a given app in Splunk Enterprise. It may also be used
# to customize certain aspects of an app.
# There is no global, default app.conf. Instead, an app.conf may exist in each
# app in Splunk Enterprise.
# You must restart Splunk Enterprise to reload manual changes to app.conf.
# To learn more about configuration files (including precedence) please see the
# documentation located at
# http://docs.splunk.com/Documentation/Splunk/latest/Admin/Aboutconfigurationfiles

# Settings for how an app appears in Launcher (and online on Splunkbase)


# global setting

remote_tab = <bool>
* Set whether the Launcher interface will connect to apps.splunk.com.
* This setting only applies to the Launcher app and should be not set in any
  other app
* Defaults to true.

# per-application settings

version = <version string>
* Version numbers are a number followed by a sequence of dots and numbers.
* Version numbers for releases should use three digits.
* Pre-release versions can append a single-word suffix like "beta" or "preview."
* Pre-release designations should use lower case and no spaces.
* Examples:
  * 1.2.0
  * 3.2.1
  * 11.0.34
  * 2.0beta
  * 1.3beta2
  * 1.0preview

description = <string>
* Short explanatory string displayed underneath the app's title in Launcher.
* Descriptions should be 200 characters or less because most users won't read
  long descriptions!

author = <name>
* For apps you intend to post to Splunkbase, enter the username of your
  splunk.com account.
* For internal-use-only apps, include your full name and/or contact info
  (e.g. email).

# Your app can include an icon which will show up next to your app in Launcher
# and on Splunkbase. You can also include a screenshot, which will show up on
# Splunkbase when the user views info about your app before downloading it.
# Icons are recommended, although not required.
# Screenshots are optional.
# There is no setting in app.conf for these images. Instead, icon and
# screenshot images should be placed in the appserver/static dir of
# your app. They will automatically be detected by Launcher and Splunkbase.
# For example:
#     <app_directory>/appserver/static/appIcon.png    (the capital "I" is required!)
#     <app_directory>/appserver/static/screenshot.png
# An icon image must be a 36px by 36px PNG file.
# An app screenshot must be 623px by 350px PNG file.

# [package] defines upgrade-related metadata, and will be
# used in future versions of Splunk Enterprise to streamline app upgrades.


id = <appid>
* id should be omitted for internal-use-only apps which are not intended to be
  uploaded to Splunkbase
* id is required for all new apps uploaded to Splunkbase. Future versions of
  Splunk Enterprise will use appid to correlate locally-installed apps and the
  same app on Splunkbase (e.g. to notify users about app updates)
* id must be the same as the folder name in which your app lives in
* id must adhere to cross-platform folder-name restrictions:
  * must contain only letters, numbers, "." (dot), and "_" (underscore) characters
  * must not end with a dot character
  * must not be any of the following names: CON, PRN, AUX, NUL,
      COM1, COM2, COM3, COM4, COM5, COM6, COM7, COM8, COM9,
      LPT1, LPT2, LPT3, LPT4, LPT5, LPT6, LPT7, LPT8, LPT9

check_for_updates = <bool>
* Set whether Splunk Enterprise should check Splunkbase for updates to this app.
* Defaults to true.

# Set install settings for this app


state = disabled | enabled
* Set whether app is disabled or enabled.
* If an app is disabled, its configs are ignored.
* Defaults to enabled.

state_change_requires_restart = true | false
* Set whether changing an app's state ALWAYS requires a restart of Splunk Enterprise.
* State changes include enabling or disabling an app.
* When set to true, changing an app's state always requires a restart.
* When set to false, modifying an app's state may or may not require a restart
  depending on what the app contains. This setting cannot be used to avoid all
  restart requirements!
* Defaults to false.

is_configured = true | false
* Stores indication of whether the application's custom setup has been performed
* Defaults to false

build = <integer>
* Required.
* Must be a positive integer.
* Increment this whenever you change files in appserver/static.
* Every release must change both "version" and "build" settings.
* Ensures browsers don't use cached copies of old static files
  in new versions of your app.
* Build is a single integer, unlike version which can be a complex string
  like 1.5.18.

allows_disable = true | false
* Set whether an app allows itself to be disabled.
* Defaults to true.

install_source_checksum = <string>
* Records a checksum of the tarball from which a given app was installed.
* Splunk Enterprise will automatically populate this value upon install.
* You should *not* set this value explicitly within your app!

# Handle reloading of custom .conf files (4.2+ versions only)


reload.<conf_file_name> = [ simple | rest_endpoints | access_endpoints <handler_url> | http_get <handler_url> | http_post <handler_url> ]
* Splunk Enterprise will reload app configuration after every app-state change:
  install, update, enable, and disable.
* If your app does not use a custom config file (e.g. myconffile.conf)
  then it won't need a [triggers] stanza, because
  $SPLUNK_HOME/etc/system/default/app.conf already includes a [triggers]
  stanza which automatically reloads config files normally used by Splunk Enterprise.
* If your app uses a custom config file (e.g. myconffile.conf) and you want to
  avoid unnecessary Splunk Enterprise restarts, you'll need to add a reload value in
  the [triggers] stanza.
* If you don't include [triggers] settings and your app uses a custom
  config file, a Splunk Enterprise restart will be required after every state change.
* Specifying "simple" implies that Splunk Enterprise will take no special action to 
  reload your custom conf file.
* Specify "access_endpoints" and a URL to a REST endpoint, and Splunk Enterprise will 
  call its _reload() method at every app state change.
* Specify "http_get" and a URL to a REST endpoint, and Splunk Enterprise will simulate 
  an HTTP GET request against this URL at every app state change.
* Specify "http_post" and a URL to a REST endpoint, and Splunk Enterprise will simulate 
  an HTTP POST request against this URL at every app state change.
* "rest_endpoints" is reserved for Splunk Enterprise internal use for reloading

* Examples:


        # Do not force a restart of Splunk Enterprise for state changes of MyApp
        # Do not run special code to tell MyApp to reload myconffile.conf
        # Apps with custom config files will usually pick this option
        reload.myconffile = simple

        # Do not force a restart of Splunk Enterprise for state changes of MyApp.
        # Splunk Enterprise calls the /admin/myendpoint/_reload method in my custom 
        # EAI handler.
        # Use this advanced option only if MyApp requires custom code to reload
        # its configuration when its state changes
        reload.myotherconffile = access_endpoints /admin/myendpoint

# Set UI-specific settings for this app


is_visible = true | false
* Indicates if this app should be visible/navigable as a UI app
* Apps require at least 1 view to be available from the UI

show_in_nav = true | false
* Indicates if this app should be shown in glabal app dropdown

is_manageable = true | false
* Support for this setting has been removed. It no longer has any effect.

label = <string>
* Defines the name of the app shown in the Splunk Enterprise GUI and Launcher
* Recommended length between 5 and 80 characters.
* Must not include "Splunk For" prefix.
* Label is required.
* Examples of good labels:
    IMAP Monitor
    SQL Server Integration Services
    FISMA Compliance

docs_section_override = <string>
* Defines override for auto-generated app-specific documentation links
* If not specified, app-specific documentation link will
  include [<app-name>:<app-version>]
* If specified, app-specific documentation link will
  include [<docs_section_override>]
* This only applies to apps with documentation on the Splunk documentation site

attribution_link = <string>
* URL that users can visit to find third-party software credits and attributions for assets the app uses.
* External links must start with http:// or https://.
* Values that do not start with http:// or https:// will be interpreted as Quickdraw "location" strings
* and translated to internal documentation references.

setup_view = <string>
* Optional setting
* Defines custom setup view found within /data/ui/views REST endpoint
* If not specified, default to setup.xml

# Credential-verification scripting (4.2+ versions only)
# Credential entries are superseded by passwords.conf from 6.3 onwards.
# While the entries here are still honored post-6.3, updates to these will occur in passwords.conf which will shadow any values present here.


verify_script = <string>
* Optional setting.
* Command line to invoke to verify credentials used for this app.
* For scripts, the command line should include both the interpreter and the
  script for it to run.
    * Example: "$SPLUNK_HOME/bin/python" "$SPLUNK_HOME/etc/apps/<myapp>/bin/$MY_SCRIPT"
* The invoked program is communicated with over standard in / standard out via
  the same protocol as splunk scripted auth.
* Paths incorporating variable expansion or explicit spaces must be quoted.
  * For example, a path including $SPLUNK_HOME should be quoted, as likely
    will expand to C:\Program Files\Splunk


password = <password>
* Password that corresponds to the given username for the given realm.
  Note that realm is optional
* The password can be in clear text, however when saved from splunkd the
  password will always be encrypted

# diag app extensions, 6.4+ only


extension_script = <filename>
* Setting this variable declares that this app will put additional information
  into the troubleshooting & support oriented output of the 'splunk diag'
* Must be a python script.
* Must be a simple filename, with no directory separators.
* The script must exist in the 'bin' sub-directory in the app.
* Full discussion of the interface is located on the Developer portal.
  See http://dev.splunk.com/view/SP-CAAAE8H
* Defaults to unset, no app-specific data collection will occur.

data_limit = <positive integer>[b|kb|MB|GB]
* Defines a soft-ceiling for the amount of uncompressed data that should be
  added to the diag by the app extension.
* Large diags damage the main functionality of the tool by creating data blobs
  too large to copy around or upload.
* Use this setting to ensure that your extension script does not accidentally
  produce far too much data.
* Once data produced by this app extension reaches the limit, diag will not add
  any further files on behalf of the extension.
* After diag has finished adding a file which goes over this limit, all further files
  will not be added.
* Must be a positive number followed by a size suffix.
  * Valid suffixes: b: bytes, kb: kilobytes, mb: megabytes, gb: gigabytes
  * Suffixes are case insensitive.
* Defaults to 100MB.


#   Version 6.4.1
# The following are example app.conf configurations. Configure properties for
# your custom application.
# There is NO DEFAULT app.conf.
# To use one or more of these configurations, copy the configuration block into
# app.conf in $SPLUNK_HOME/etc/system/local/. You must restart Splunk to
# enable configurations.
# To learn more about configuration files (including precedence) please see the
# documentation located at
# http://docs.splunk.com/Documentation/Splunk/latest/Admin/Aboutconfigurationfiles

author=<author of app>
description=<textual description of app>
version=<version of app>

Last modified on 13 May, 2016

This documentation applies to the following versions of Splunk® Enterprise: 6.4.1

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