Terraform provider

Last updated on Aug 17, 2026

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Use the official Harness Terraform provider to manage Harness resources as code. The provider supports creating and managing environments, traffic types, segments, feature flags, flag sets, and API keys.

Resources

The following Harness FME resources are available in the Harness Terraform provider.

Feature flags

Resource	Description
harness_fme_feature_flag	Create and manage a feature flag.
harness_fme_feature_flag_definition	Create and manage a feature flag definition, including treatments and targeting rules.
harness_fme_flag_set	Create and manage a flag set for grouping related feature flags.

Environments

Resource	Description
harness_fme_environment	Create and manage an environment within a project.

Segments

Resource	Description
harness_fme_segment	Create and manage a standard segment.
harness_fme_segment_environment_association	Associate a standard segment with an environment.
harness_fme_environment_segment_keys	Manage the list of keys within a segment for a specific environment.
harness_fme_rule_based_segment	Create and manage a rule-based segment using attribute-based targeting rules.
harness_fme_rule_based_segment_environment_association	Associate a rule-based segment with an environment.
harness_fme_large_segment	Create and manage a large segment optimized for high-volume key lists.
harness_fme_large_segment_environment_association	Associate a large segment with an environment.

Traffic types

Resource	Description
harness_fme_traffic_type	Create and manage a traffic type within a project.
harness_fme_traffic_type_attribute	Manage custom attributes and suggested values for a traffic type.

API keys

Resource	Description
harness_fme_api_key	Create and manage API keys for authenticating with the Harness FME API.

Data sources

Data source	Description
harness_fme_workspace	Look up a Harness FME project by the workspace name, or by Harness organization and project identifiers.

Example usage

# Look up by Harness organization and project identifiers
data "harness_fme_workspace" "by_project" {
  org_id     = "organization_id"
  project_id = "project_id"
}

# Look up by exact workspace name
data "harness_fme_workspace" "by_name" {
  name = "my-workspace-name"
}

Use the Harness Terraform provider

Go to the Harness provider on the Terraform Registry to review full provider documentation, configuration options, and examples.