Commit 2ddcaba1 authored by Kamil Trzciński's avatar Kamil Trzciński Committed by Marcel Amirault

Update development guide about feature flags

This does:
- moves feature flag testing into a single place
- heavily refactors `development` guide for feature flags
- document a `bin/feature-flag` workflow
parent 3c6ee540
# Developing with feature flags # Developing with feature flags
In general, it's better to have a group- or user-based gate, and you should prefer This document provides guidelines on how to use feature flags
it over the use of percentage gates. This would make debugging easier, as you in the GitLab codebase to conditionally enable features
filter for example logs and errors based on actors too. Furthermore, this allows and test them.
for enabling for the `gitlab-org` or `gitlab-com` group first, while the rest of
Features that are developed and merged behind a feature flag
should not include a changelog entry. The entry should be added either in the merge
request removing the feature flag or the merge request where the default value of
the feature flag is set to enabled. If the feature contains any database migrations, it
*should* include a changelog entry for the database changes.
CAUTION: **Caution:**
All newly-introduced feature flags should be [disabled by default](process.md#feature-flags-in-gitlab-development).
NOTE: **Note:**
This document is the subject of continued work as part of an epic to [improve internal usage of Feature Flags](https://gitlab.com/groups/gitlab-org/-/epics/3551). Raise any suggestions as new issues and attach them to the epic.
## Types of feature flags
Currently, only a single type of feature flag is available.
Additional feature flag types will be provided in the future,
with descriptions for their usage.
### `development` type
`development` feature flags are short-lived feature flags,
used so that unfinished code can be deployed in production.
A `development` feature flag should have a rollout issue,
ideally created using the [Feature Flag Roll Out template](https://gitlab.com/gitlab-org/gitlab/-/blob/master/.gitlab/issue_templates/Feature%20Flag%20Roll%20Out.md).
NOTE: **Note:**
This is the default type used when calling `Feature.enabled?`.
## Feature flag definition and validation
> [Introduced](https://gitlab.com/gitlab-org/gitlab/-/issues/229161) in GitLab 13.3.
During development (`RAILS_ENV=development`) or testing (`RAILS_ENV=test`) all feature flag usage is being strictly validated.
This process is meant to ensure consistent feature flag usage in the codebase. All feature flags **must**:
- Be known. Only use feature flags that are explicitly defined.
- Not be defined twice. They have to be defined either in FOSS or EE, but not both.
- Use a valid and consistent `type:` across all invocations.
- Use the same `default_enabled:` across all invocations.
- Have an owner.
All feature flags known to GitLab are self-documented in YAML files stored in:
- [`config/feature_flags`](https://gitlab.com/gitlab-org/gitlab/-/tree/master/config/feature_flags)
- [`ee/config/feature_flags`](https://gitlab.com/gitlab-org/gitlab/-/tree/master/ee/config/feature_flags)
Each feature flag is defined in a separate YAML file consisting of a number of fields:
| Field | Required | Description |
|---------------------|----------|----------------------------------------------------------------|
| `name` | yes | Name of the feature flag. |
| `type` | yes | Type of feature flag. |
| `default_enabled` | yes | The default state of the feature flag that is strongly validated, with `default_enabled:` passed as an argument. |
| `introduced_by_url` | no | The URL to the Merge Request that introduced the feature flag. |
| `rollout_issue_url` | no | The URL to the Issue covering the feature flag rollout. |
| `group` | no | The [group](https://about.gitlab.com/handbook/product/product-categories/#devops-stages) that owns the feature flag. |
TIP: **Tip:**
All validations are skipped when running in `RAILS_ENV=production`.
## Create a new feature flag
The GitLab codebase provides [`bin/feature-flag`](https://gitlab.com/gitlab-org/gitlab/-/blob/master/bin/feature-flag),
a dedicated tool to create new feature flag definitions.
The tool asks various questions about the new feature flag, then creates
a YAML definition in `config/feature_flags` or `ee/config/feature_flags`.
Only feature flags that have a YAML definition file can be used when running the development or testing environments.
```shell
$ bin/feature-flag my-feature-flag
>> Please specify the group introducing feature flag, like `group::apm`:
?> group::memory
>> Open this URL and fill the rest of details:
https://gitlab.com/gitlab-org/gitlab/-/issues/new?issue[title]=%5BFeature+flag%5D+Rollout+of+%60my-feature-flag%60&
>> Paste URL here, or enter to skip:
?>
create config/feature_flags/development/my_feature_flag.yml
---
name: my_feature_flag
introduced_by_url:
rollout_issue_url:
group: group::memory
type: development
default_enabled: false
```
TIP: **Tip:**
To create a feature flag that is only used in EE, add the `--ee` flag: `bin/feature-flag --ee`
## Develop with a feature flag
There are two main ways of using Feature Flags in the GitLab codebase:
- [Backend code (Rails)](#backend)
- [Frontend code (VueJS)](#frontend)
### Backend
The feature flag interface is defined in [`lib/feature.rb`](https://gitlab.com/gitlab-org/gitlab/-/blob/master/lib/feature.rb).
This interface provides a set of methods to check if the feature flag is enabled or disabled:
```ruby
if Feature.enabled?(:my_feature_flag, project)
# execute code if feature flag is enabled
else
# execute code if feature flag is disabled
end
if Feature.disabled?(:my_feature_flag, project)
# execute code if feature flag is disabled
end
```
In rare cases you may want to make a feature enabled by default. If so, explain the reasoning
in the merge request. Use `default_enabled: true` when checking the feature flag state:
```ruby
if Feature.enabled?(:feature_flag, project, default_enabled: true)
# execute code if feature flag is enabled
else
# execute code if feature flag is disabled
end
if Feature.disabled?(:my_feature_flag, project, default_enabled: true)
# execute code if feature flag is disabled
end
```
### Frontend
Use the `push_frontend_feature_flag` method for frontend code, which is
available to all controllers that inherit from `ApplicationController`. You can use
this method to expose the state of a feature flag, for example:
```ruby
before_action do
# Prefer to scope it per project or user e.g.
push_frontend_feature_flag(:vim_bindings, project)
end
def index
# ...
end
def edit
# ...
end
```
You can then check the state of the feature flag in JavaScript as follows:
```javascript
if ( gon.features.vimBindings ) {
// ...
}
```
The name of the feature flag in JavaScript is always camelCase,
so checking for `gon.features.vim_bindings` would not work.
See the [Vue guide](../fe_guide/vue.md#accessing-feature-flags) for details about
how to access feature flags in a Vue component.
In rare cases you may want to make a feature enabled by default. If so, explain the reasoning
in the merge request. Use `default_enabled: true` when checking the feature flag state:
```ruby
before_action do
# Prefer to scope it per project or user e.g.
push_frontend_feature_flag(:vim_bindings, project, default_enabled: true)
end
```
### Feature actors
**It is strongly advised to use actors with feature flags.** Actors provide a simple
way to enable a feature flag only for a given project, group or user. This makes debugging
easier, as you can filter logs and errors for example, based on actors. This also makes it possible
to enable the feature on the `gitlab-org` or `gitlab-com` groups first, while the rest of
the users aren't impacted. the users aren't impacted.
Actors also provide an easy way to do a percentage rollout of a feature in a sticky way.
If a 1% rollout enabled a feature for a specific actor, that actor will continue to have the feature enabled at
10%, 50%, and 100%.
GitLab currently supports the following models as feature flag actors:
- `User`
- `Project`
- `Group`
The actor is a second parameter of the `Feature.enabled?` call. The
same actor type must be used consistently for all invocations of `Feature.enabled?`.
```ruby ```ruby
# Good
Feature.enabled?(:feature_flag, project) Feature.enabled?(:feature_flag, project)
Feature.enabled?(:feature_flag, group)
# Avoid, if possible Feature.enabled?(:feature_flag, user)
Feature.enabled?(:feature_flag)
``` ```
### Enable additional objects as actors
To use feature gates based on actors, the model needs to respond to To use feature gates based on actors, the model needs to respond to
`flipper_id`. For example, to enable for the Foo model: `flipper_id`. For example, to enable for the Foo model:
...@@ -26,32 +224,18 @@ end ...@@ -26,32 +224,18 @@ end
Only models that `include FeatureGate` or expose `flipper_id` method can be Only models that `include FeatureGate` or expose `flipper_id` method can be
used as an actor for `Feature.enabled?`. used as an actor for `Feature.enabled?`.
Features that are developed and are intended to be merged behind a feature flag ### Feature flags for licensed features
should not include a changelog entry. The entry should either be added in the merge
request removing the feature flag or the merge request where the default value of
the feature flag is set to true. If the feature contains any DB migration it
should include a changelog entry for DB changes.
NOTE: **Note:** If a feature is license-gated, there's no need to add an additional
All newly-introduced feature flags should be [off by default](./process.md#feature-flags-in-gitlab-development). explicit feature flag check since the flag will be checked as part of the
`License.feature_available?` call. Similarly, there's no need to "clean up" a
In rare cases you may need to set the feature flag on by default. If so, please explain the reasoning feature flag once the feature has reached general availability.
in the merge request. To enable an active feature flag, use `default_enabled: true` when checking:
```ruby
Feature.enabled?(:feature_flag, project, default_enabled: true)
```
The [`Project#feature_available?`](https://gitlab.com/gitlab-org/gitlab/blob/4cc1c62918aa4c31750cb21dfb1a6c3492d71080/app/models/project_feature.rb#L63-68), The [`Project#feature_available?`](https://gitlab.com/gitlab-org/gitlab/blob/4cc1c62918aa4c31750cb21dfb1a6c3492d71080/app/models/project_feature.rb#L63-68),
[`Namespace#feature_available?`](https://gitlab.com/gitlab-org/gitlab/blob/4cc1c62918aa4c31750cb21dfb1a6c3492d71080/ee/app/models/ee/namespace.rb#L71-85) (EE), and [`Namespace#feature_available?`](https://gitlab.com/gitlab-org/gitlab/blob/4cc1c62918aa4c31750cb21dfb1a6c3492d71080/ee/app/models/ee/namespace.rb#L71-85) (EE), and
[`License.feature_available?`](https://gitlab.com/gitlab-org/gitlab/blob/4cc1c62918aa4c31750cb21dfb1a6c3492d71080/ee/app/models/license.rb#L293-300) (EE) methods all implicitly check for [`License.feature_available?`](https://gitlab.com/gitlab-org/gitlab/blob/4cc1c62918aa4c31750cb21dfb1a6c3492d71080/ee/app/models/license.rb#L293-300) (EE) methods all implicitly check for
a by default enabled feature flag with the same name as the provided argument. a by default enabled feature flag with the same name as the provided argument.
For example if a feature is license-gated, there's no need to add an additional
explicit feature flag check since the flag will be checked as part of the
`License.feature_available?` call. Similarly, there's no need to "clean up" a
feature flag once the feature has reached general availability.
You'd still want to use an explicit `Feature.enabled?` check if your new feature You'd still want to use an explicit `Feature.enabled?` check if your new feature
isn't gated by a License or Plan. isn't gated by a License or Plan.
...@@ -73,10 +257,7 @@ GitLab.com and self-managed instances, you should use the ...@@ -73,10 +257,7 @@ GitLab.com and self-managed instances, you should use the
method, according to our [definitions](https://about.gitlab.com/handbook/product/gitlab-the-product/#alpha-beta-ga). This ensures the feature is disabled unless the feature flag is method, according to our [definitions](https://about.gitlab.com/handbook/product/gitlab-the-product/#alpha-beta-ga). This ensures the feature is disabled unless the feature flag is
_explicitly_ enabled. _explicitly_ enabled.
## Feature groups ### Feature groups
Starting from GitLab 9.4 we support feature groups via
[Flipper groups](https://github.com/jnunemaker/flipper/blob/v0.10.2/docs/Gates.md#2-group).
Feature groups must be defined statically in `lib/feature.rb` (in the Feature groups must be defined statically in `lib/feature.rb` (in the
`.register_feature_groups` method), but their implementation can obviously be `.register_feature_groups` method), but their implementation can obviously be
...@@ -85,50 +266,144 @@ dynamic (querying the DB etc.). ...@@ -85,50 +266,144 @@ dynamic (querying the DB etc.).
Once defined in `lib/feature.rb`, you will be able to activate a Once defined in `lib/feature.rb`, you will be able to activate a
feature for a given feature group via the [`feature_group` parameter of the features API](../../api/features.md#set-or-create-a-feature) feature for a given feature group via the [`feature_group` parameter of the features API](../../api/features.md#set-or-create-a-feature)
### Frontend ### Enabling a feature flag locally (in development)
For frontend code you can use the method `push_frontend_feature_flag`, which is In the rails console (`rails c`), enter the following command to enable a feature flag:
available to all controllers that inherit from `ApplicationController`. Using
this method you can expose the state of a feature flag as follows:
```ruby ```ruby
before_action do Feature.enable(:feature_flag_name)
# Prefer to scope it per project or user e.g. ```
push_frontend_feature_flag(:vim_bindings, project)
# Avoid, if possible Similarly, the following command will disable a feature flag:
push_frontend_feature_flag(:vim_bindings)
end
def index ```ruby
# ... Feature.disable(:feature_flag_name)
end ```
def edit You can also enable a feature flag for a given gate:
# ...
end ```ruby
Feature.enable(:feature_flag_name, Project.find_by_full_path("root/my-project"))
``` ```
You can then check for the state of the feature flag in JavaScript as follows: ## Feature flags in tests
```javascript Introducing a feature flag into the codebase creates an additional codepath that should be tested.
if ( gon.features.vimBindings ) { It is strongly advised to test all code affected by a feature flag, both when **enabled** and **disabled**
// ... to ensure the feature works properly.
}
NOTE: **Note:**
When using the testing environment, all feature flags are enabled by default.
To disable a feature flag in a test, use the `stub_feature_flags`
helper. For example, to globally disable the `ci_live_trace` feature
flag in a test:
```ruby
stub_feature_flags(ci_live_trace: false)
Feature.enabled?(:ci_live_trace) # => false
``` ```
The name of the feature flag in JavaScript will always be camelCased, meaning If you wish to set up a test where a feature flag is enabled only
that checking for `gon.features.vim_bindings` would not work. for some actors and not others, you can specify this in options
passed to the helper. For example, to enable the `ci_live_trace`
feature flag for a specific project:
See the [Vue guide](../fe_guide/vue.md#accessing-feature-flags) for details about ```ruby
how to access feature flags in a Vue component. project1, project2 = build_list(:project, 2)
### Specs # Feature will only be enabled for project1
stub_feature_flags(ci_live_trace: project1)
Feature.enabled?(:ci_live_trace) # => false
Feature.enabled?(:ci_live_trace, project1) # => true
Feature.enabled?(:ci_live_trace, project2) # => false
```
The behavior of FlipperGate is as follows:
1. You can enable an override for a specified actor to be enabled
1. You can disable (remove) an override for a specified actor,
falling back to default state
1. There's no way to model that you explicitly disable a specified actor
```ruby
Feature.enable(:my_feature)
Feature.disable(:my_feature, project1)
Feature.enabled?(:my_feature) # => true
Feature.enabled?(:my_feature, project1) # => true
Feature.disable(:my_feature2)
Feature.enable(:my_feature2, project1)
Feature.enabled?(:my_feature2) # => false
Feature.enabled?(:my_feature2, project1) # => true
```
### `stub_feature_flags` vs `Feature.enable*`
It is preferred to use `stub_feature_flags` to enable feature flags
in the testing environment. This method provides a simple and well described
interface for simple use cases.
However, in some cases more complex behavior needs to be tested,
like percentage rollouts of feature flags. This can be done using
`.enable_percentage_of_time` or `.enable_percentage_of_actors`:
```ruby
# Good: feature needs to be explicitly disabled, as it is enabled by default if not defined
stub_feature_flags(my_feature: false)
stub_feature_flags(my_feature: true)
stub_feature_flags(my_feature: project)
stub_feature_flags(my_feature: [project, project2])
# Bad
Feature.enable(:my_feature_2)
# Good: enable my_feature for 50% of time
Feature.enable_percentage_of_time(:my_feature_3, 50)
# Good: enable my_feature for 50% of actors/gates/things
Feature.enable_percentage_of_actors(:my_feature_4, 50)
```
Each feature flag that has a defined state will be persisted
during test execution time:
```ruby
Feature.persisted_names.include?('my_feature') => true
Feature.persisted_names.include?('my_feature_2') => true
Feature.persisted_names.include?('my_feature_3') => true
Feature.persisted_names.include?('my_feature_4') => true
```
### Stubbing actor
When you want to enable a feature flag for a specific actor only,
you can stub its representation. A gate that is passed
as an argument to `Feature.enabled?` and `Feature.disabled?` must be an object
that includes `FeatureGate`.
In specs you can use the `stub_feature_flag_gate` method that allows you to
quickly create a custom actor:
```ruby
gate = stub_feature_flag_gate('CustomActor')
stub_feature_flags(ci_live_trace: gate)
Feature.enabled?(:ci_live_trace) # => false
Feature.enabled?(:ci_live_trace, gate) # => true
```
### Controlling feature flags engine in tests
Our Flipper engine in the test environment works in a memory mode `Flipper::Adapters::Memory`. Our Flipper engine in the test environment works in a memory mode `Flipper::Adapters::Memory`.
`production` and `development` modes use `Flipper::Adapters::ActiveRecord`. `production` and `development` modes use `Flipper::Adapters::ActiveRecord`.
### `stub_feature_flags: true` (default and preferred) You can control whether the `Flipper::Adapters::Memory` or `ActiveRecord` mode is being used.
#### `stub_feature_flags: true` (default and preferred)
In this mode Flipper is configured to use `Flipper::Adapters::Memory` and mark all feature In this mode Flipper is configured to use `Flipper::Adapters::Memory` and mark all feature
flags to be on-by-default and persisted on a first use. This overwrites the `default_enabled:` flags to be on-by-default and persisted on a first use. This overwrites the `default_enabled:`
...@@ -148,23 +423,3 @@ a mode that is used by `production` and `development`. ...@@ -148,23 +423,3 @@ a mode that is used by `production` and `development`.
You should use this mode only when you really want to tests aspects of Flipper You should use this mode only when you really want to tests aspects of Flipper
with how it interacts with `ActiveRecord`. with how it interacts with `ActiveRecord`.
### Enabling a feature flag (in development)
In the rails console (`rails c`), enter the following command to enable your feature flag
```ruby
Feature.enable(:feature_flag_name)
```
Similarly, the following command will disable a feature flag:
```ruby
Feature.disable(:feature_flag_name)
```
You can as well enable feature flag for a given gate:
```ruby
Feature.enable(:feature_flag_name, Project.find_by_full_path("root/my-project"))
```
...@@ -10,12 +10,12 @@ yarn clean ...@@ -10,12 +10,12 @@ yarn clean
## Creating feature flags in development ## Creating feature flags in development
The process for creating a feature flag is the same as [enabling a feature flag in development](../feature_flags/development.md#enabling-a-feature-flag-in-development). The process for creating a feature flag is the same as [enabling a feature flag in development](../feature_flags/development.md#enabling-a-feature-flag-locally-in-development).
Your feature flag can now be: Your feature flag can now be:
- [Made available to the frontend](../feature_flags/development.md#frontend) via the `gon` - [Made available to the frontend](../feature_flags/development.md#frontend) via the `gon`
- Queried in [tests](../feature_flags/development.md#specs) - Queried in [tests](../feature_flags/development.md#feature-flags-in-tests)
- Queried in HAML templates and Ruby files via the `Feature.enabled?(:my_shiny_new_feature_flag)` method - Queried in HAML templates and Ruby files via the `Feature.enabled?(:my_shiny_new_feature_flag)` method
### More on feature flags ### More on feature flags
......
...@@ -71,7 +71,7 @@ In order to actually use it, you need to enable measuring for the desired servic ...@@ -71,7 +71,7 @@ In order to actually use it, you need to enable measuring for the desired servic
### Enabling measurement using feature flags ### Enabling measurement using feature flags
In the following example, the `:gitlab_service_measuring_projects_import_service` In the following example, the `:gitlab_service_measuring_projects_import_service`
[feature flag](feature_flags/development.md#enabling-a-feature-flag-in-development) is used to enable the measuring feature [feature flag](feature_flags/development.md#enabling-a-feature-flag-locally-in-development) is used to enable the measuring feature
for `Projects::ImportService`. for `Projects::ImportService`.
From ChatOps: From ChatOps:
......
...@@ -315,109 +315,7 @@ end ...@@ -315,109 +315,7 @@ end
### Feature flags in tests ### Feature flags in tests
All feature flags are stubbed to be enabled by default in our Ruby-based This section was moved to [developing with feature flags](../feature_flags/development.md).
tests.
To disable a feature flag in a test, use the `stub_feature_flags`
helper. For example, to globally disable the `ci_live_trace` feature
flag in a test:
```ruby
stub_feature_flags(ci_live_trace: false)
Feature.enabled?(:ci_live_trace) # => false
```
If you wish to set up a test where a feature flag is enabled only
for some actors and not others, you can specify this in options
passed to the helper. For example, to enable the `ci_live_trace`
feature flag for a specific project:
```ruby
project1, project2 = build_list(:project, 2)
# Feature will only be enabled for project1
stub_feature_flags(ci_live_trace: project1)
Feature.enabled?(:ci_live_trace) # => false
Feature.enabled?(:ci_live_trace, project1) # => true
Feature.enabled?(:ci_live_trace, project2) # => false
```
This represents an actual behavior of FlipperGate:
1. You can enable an override for a specified actor to be enabled
1. You can disable (remove) an override for a specified actor,
falling back to default state
1. There's no way to model that you explicitly disable a specified actor
```ruby
Feature.enable(:my_feature)
Feature.disable(:my_feature, project1)
Feature.enabled?(:my_feature) # => true
Feature.enabled?(:my_feature, project1) # => true
```
```ruby
Feature.disable(:my_feature2)
Feature.enable(:my_feature2, project1)
Feature.enabled?(:my_feature2) # => false
Feature.enabled?(:my_feature2, project1) # => true
```
#### `stub_feature_flags` vs `Feature.enable*`
It is preferred to use `stub_feature_flags` for enabling feature flags
in testing environment. This method provides a simple and well described
interface for a simple use-cases.
However, in some cases a more complex behaviors needs to be tested,
like a feature flag percentage rollouts. This can be achieved using
the `.enable_percentage_of_time` and `.enable_percentage_of_actors`
```ruby
# Good: feature needs to be explicitly disabled, as it is enabled by default if not defined
stub_feature_flags(my_feature: false)
stub_feature_flags(my_feature: true)
stub_feature_flags(my_feature: project)
stub_feature_flags(my_feature: [project, project2])
# Bad
Feature.enable(:my_feature_2)
# Good: enable my_feature for 50% of time
Feature.enable_percentage_of_time(:my_feature_3, 50)
# Good: enable my_feature for 50% of actors/gates/things
Feature.enable_percentage_of_actors(:my_feature_4, 50)
```
Each feature flag that has a defined state will be persisted
for test execution time:
```ruby
Feature.persisted_names.include?('my_feature') => true
Feature.persisted_names.include?('my_feature_2') => true
Feature.persisted_names.include?('my_feature_3') => true
Feature.persisted_names.include?('my_feature_4') => true
```
#### Stubbing gate
It is required that a gate that is passed as an argument to `Feature.enabled?`
and `Feature.disabled?` is an object that includes `FeatureGate`.
In specs you can use a `stub_feature_flag_gate` method that allows you to have
quickly your custom gate:
```ruby
gate = stub_feature_flag_gate('CustomActor')
stub_feature_flags(ci_live_trace: gate)
Feature.enabled?(:ci_live_trace) # => false
Feature.enabled?(:ci_live_trace, gate) # => true
```
### Pristine test environments ### Pristine test environments
......
...@@ -26,9 +26,9 @@ The following analytics features are available at the group level: ...@@ -26,9 +26,9 @@ The following analytics features are available at the group level:
- [Insights](../group/insights/index.md). **(ULTIMATE)** - [Insights](../group/insights/index.md). **(ULTIMATE)**
- [Issues](../group/issues_analytics/index.md). **(PREMIUM)** - [Issues](../group/issues_analytics/index.md). **(PREMIUM)**
- [Productivity](productivity_analytics.md), enabled with the `productivity_analytics` - [Productivity](productivity_analytics.md), enabled with the `productivity_analytics`
[feature flag](../../development/feature_flags/development.md#enabling-a-feature-flag-in-development). **(PREMIUM)** [feature flag](../../development/feature_flags/development.md#enabling-a-feature-flag-locally-in-development). **(PREMIUM)**
- [Value Stream](value_stream_analytics.md), enabled with the `cycle_analytics` - [Value Stream](value_stream_analytics.md), enabled with the `cycle_analytics`
[feature flag](../../development/feature_flags/development.md#enabling-a-feature-flag-in-development). **(PREMIUM)** [feature flag](../../development/feature_flags/development.md#enabling-a-feature-flag-locally-in-development). **(PREMIUM)**
## Project-level analytics ## Project-level analytics
...@@ -40,4 +40,4 @@ The following analytics features are available at the project level: ...@@ -40,4 +40,4 @@ The following analytics features are available at the project level:
- [Issues](../group/issues_analytics/index.md). **(PREMIUM)** - [Issues](../group/issues_analytics/index.md). **(PREMIUM)**
- [Repository](repository_analytics.md). - [Repository](repository_analytics.md).
- [Value Stream](value_stream_analytics.md), enabled with the `cycle_analytics` - [Value Stream](value_stream_analytics.md), enabled with the `cycle_analytics`
[feature flag](../../development/feature_flags/development.md#enabling-a-feature-flag-in-development). **(STARTER)** [feature flag](../../development/feature_flags/development.md#enabling-a-feature-flag-locally-in-development). **(STARTER)**
...@@ -278,7 +278,7 @@ The group details view also shows the number of the following items created in t ...@@ -278,7 +278,7 @@ The group details view also shows the number of the following items created in t
- Issues. - Issues.
- Members. - Members.
These Group Activity Analytics can be enabled with the `group_activity_analytics` [feature flag](../../development/feature_flags/development.md#enabling-a-feature-flag-in-development). These Group Activity Analytics can be enabled with the `group_activity_analytics` [feature flag](../../development/feature_flags/development.md#enabling-a-feature-flag-locally-in-development).
![Recent Group Activity](img/group_activity_analytics_v12_10.png) ![Recent Group Activity](img/group_activity_analytics_v12_10.png)
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