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StackState v5.1
StackState v5.1
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On this page
  • Introduction
  • Define Tags
  • Assign Tags
  • Configuration Files
  • StackPack Inheritance
  • Common tags
  • Using Tags
  1. Configure
  2. Topology

Use tags

StackState Self-hosted v5.1.x

Introduction

Tags (also known as labels) are a way of associating names with topology so it can be filtered.

Define Tags

Below are StackState's tagging restrictions, requirements, and suggestions:

  1. Tags must start with a letter and after that may contain the characters listed below:

    • Alphanumerics

    • Underscores

    • Minuses

    • Colons

    • Periods

    • Slashes

      Other special characters are converted to underscores.

      Note: A tag can't end with a colon, for example tag:

  2. Tags can be up to 200 characters long and support Unicode.

  3. Tags are converted to lowercase. Therefore, CamelCase tags aren't recommended.

  4. A tag can be in the format value or <KEY>:<VALUE>. For optimal functionality, we recommend constructing tags in the <KEY>:<VALUE> format. Commonly used tag keys are env, instance, and name. The key always precedes the first colon of the global tag definition, for example:

    Tag
    Key
    Value

    customer:US:acme

    customer

    US:acme

    customer:acme

    customer

    acme

  5. Tags shouldn't originate from unbounded sources, such as EPOCH timestamps, user IDs, or request IDs. Doing so may infinitely increase the number of tags in StackState.

Assign Tags

Tags may be assigned using any (or all) of the following methods.

Method
Assign tags

Configuration Files

Manually in your main Agent configuration files, or in your integrations configuration file.

StackPack Inheritance

Automatically with supported StackPacks after setup

Configuration Files

The hostname (tag key host) is assigned automatically by StackState Agent V3. To customize the hostname, use the Agent configuration file, stackstate.yaml:

# Set the hostname (default: auto-detected)
# Must comply with RFC-1123, which permits only:
# "A" to "Z", "a" to "z", "0" to "9", and the hyphen (-)
hostname: mymachine.mydomain

The Agent configuration file (stackstate.yaml) is also used to set host tags which apply to all data forwarded by StackState Agent V3 (see YAML formats below).

Tags for the integrations installed with the Agent are configured via YAML files located in the conf.d directory of the Agent install.

YAML formats

In YAML files, use a tag dictionary with a list of tags you want assigned at that level. Tag dictionaries have two different yet functionally equivalent forms:

tags: <KEY_1>:<VALUE_1>, <KEY_2>:<VALUE_2>, <KEY_3>:<VALUE_3>

or

tags:
    - <KEY_1>:<VALUE_1>
    - <KEY_2>:<VALUE_2>
    - <KEY_3>:<VALUE_3>

It's recommended you assign tags as <KEY>:<VALUE> pairs, but simple tags are also accepted.

StackPack Inheritance

The most efficient method for assigning tags is to rely on your StackPacks. Tags assigned to your Amazon Web Services components, Azure components, and more are all automatically assigned to the topology when they're brought into StackState.

Common tags

A number of StackState integrations understand common tags. These are special tags that can be placed on items in the source system and are used by StackState when the topology is retrieved. For example, an application in VMWare vSphere with the tag stackstate-layer:databases would be placed in the StackState topology layer databases by the StackState VMWare vSphere integration.

Tag
Description

stackstate-layer

The component will be placed in the specified layer in StackState.

stackstate-domain

The component will be placed in the specified domain in StackState.

stackstate-environment

The component will be placed in the specified environment in StackState.

stackstate-identifiers

The specified value will be added as an identifier to the StackState component.

Using Tags

PreviousUse a proxy for event handlersNextTune topology synchronization

Last updated 1 year ago

After you have assigned tags at the host and integration level, you can use them to .

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