212 lines
5 KiB
Markdown
212 lines
5 KiB
Markdown
---
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stage: Release
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group: Release
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info: To determine the technical writer assigned to the Stage/Group associated with this page, see https://about.gitlab.com/handbook/engineering/ux/technical-writing/#assignments
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---
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# Features flags API
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This API is for managing Flipper-based [feature flags used in development of GitLab](../development/feature_flags/index.md).
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All methods require administrator authorization.
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Notice that currently the API only supports boolean and percentage-of-time gate
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values.
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## List all features
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Get a list of all persisted features, with its gate values.
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```plaintext
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GET /features
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```
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```shell
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curl --header "PRIVATE-TOKEN: <your_access_token>" "https://gitlab.example.com/api/v4/features"
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```
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Example response:
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```json
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[
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{
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"name": "experimental_feature",
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"state": "off",
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"gates": [
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{
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"key": "boolean",
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"value": false
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}
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],
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"definition": null
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},
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{
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"name": "my_user_feature",
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"state": "on",
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"gates": [
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{
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"key": "percentage_of_actors",
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"value": 34
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}
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],
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"definition": {
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"name": "my_user_feature",
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"introduced_by_url": "https://gitlab.com/gitlab-org/gitlab/-/merge_requests/40880",
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"rollout_issue_url": "https://gitlab.com/gitlab-org/gitlab/-/issues/244905",
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"group": "group::ci",
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"type": "development",
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"default_enabled": false
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}
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},
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{
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"name": "new_library",
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"state": "on",
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"gates": [
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{
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"key": "boolean",
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"value": true
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}
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],
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"definition": null
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}
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]
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```
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## List all feature definitions
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Get a list of all feature definitions.
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```plaintext
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GET /features/definitions
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```
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```shell
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curl --header "PRIVATE-TOKEN: <your_access_token>" "https://gitlab.example.com/api/v4/features/definitions"
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```
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Example response:
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```json
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[
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{
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"name": "api_kaminari_count_with_limit",
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"introduced_by_url": "https://gitlab.com/gitlab-org/gitlab-foss/-/merge_requests/23931",
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"rollout_issue_url": null,
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"milestone": "11.8",
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"type": "ops",
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"group": "group::ecosystem",
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"default_enabled": false
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},
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{
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"name": "marginalia",
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"introduced_by_url": null,
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"rollout_issue_url": null,
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"milestone": null,
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"type": "ops",
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"group": null,
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"default_enabled": false
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}
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]
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```
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## Set or create a feature
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Set a feature's gate value. If a feature with the given name doesn't exist yet,
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it's created. The value can be a boolean, or an integer to indicate
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percentage of time.
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```plaintext
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POST /features/:name
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```
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| Attribute | Type | Required | Description |
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| --------- | ---- | -------- | ----------- |
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| `name` | string | yes | Name of the feature to create or update |
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| `value` | integer/string | yes | `true` or `false` to enable/disable, or an integer for percentage of time |
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| `key` | string | no | `percentage_of_actors` or `percentage_of_time` (default) |
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| `feature_group` | string | no | A Feature group name |
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| `user` | string | no | A GitLab username |
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| `group` | string | no | A GitLab group's path, for example `gitlab-org` |
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| `project` | string | no | A projects path, for example `gitlab-org/gitlab-foss` |
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| `force` | boolean | no | Skip feature flag validation checks, such as a YAML definition |
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Note that you can enable or disable a feature for a `feature_group`, a `user`,
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a `group`, and a `project` in a single API call.
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```shell
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curl --data "value=30" --header "PRIVATE-TOKEN: <your_access_token>" "https://gitlab.example.com/api/v4/features/new_library"
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```
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Example response:
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```json
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{
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"name": "new_library",
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"state": "conditional",
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"gates": [
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{
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"key": "boolean",
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"value": false
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},
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{
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"key": "percentage_of_time",
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"value": 30
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}
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],
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"definition": {
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"name": "my_user_feature",
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"introduced_by_url": "https://gitlab.com/gitlab-org/gitlab/-/merge_requests/40880",
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"rollout_issue_url": "https://gitlab.com/gitlab-org/gitlab/-/issues/244905",
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"group": "group::ci",
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"type": "development",
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"default_enabled": false
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}
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}
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```
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### Set percentage of actors rollout
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Rollout to percentage of actors.
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```plaintext
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POST https://gitlab.example.com/api/v4/features/my_user_feature?private_token=<your_access_token>
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Content-Type: application/x-www-form-urlencoded
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value=42&key=percentage_of_actors&
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```
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Example response:
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```json
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{
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"name": "my_user_feature",
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"state": "conditional",
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"gates": [
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{
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"key": "boolean",
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"value": false
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},
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{
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"key": "percentage_of_actors",
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"value": 42
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}
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],
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"definition": {
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"name": "my_user_feature",
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"introduced_by_url": "https://gitlab.com/gitlab-org/gitlab/-/merge_requests/40880",
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"rollout_issue_url": "https://gitlab.com/gitlab-org/gitlab/-/issues/244905",
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"group": "group::ci",
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"type": "development",
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"default_enabled": false
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}
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}
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```
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Rolls out the `my_user_feature` to `42%` of actors.
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## Delete a feature
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Removes a feature gate. Response is equal when the gate exists, or doesn't.
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```plaintext
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DELETE /features/:name
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```
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