217 lines
8.8 KiB
Markdown
217 lines
8.8 KiB
Markdown
---
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stage: Manage
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group: Workspace
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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/product/ux/technical-writing/#assignments
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---
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# Subgroups **(FREE)**
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> [Introduced](https://gitlab.com/gitlab-org/gitlab-foss/-/issues/2772) in GitLab 9.0.
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You can organize GitLab [groups](../index.md) into subgroups. You can use subgroups to:
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- Separate internal and external organizations. Because every subgroup can have its own
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[visibility level](../../../development/permissions.md#general-permissions), you can host groups for different
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purposes under the same parent group.
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- Organize large projects. You can use subgroups to give different access to parts of
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the source code.
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- Manage people and control visibility. Give a user a different
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[role](../../permissions.md#group-members-permissions) for each group they're [a member of](#subgroup-membership).
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Subgroups can:
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- Belong to one immediate parent group.
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- Have many subgroups.
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- Be nested up to 20 levels.
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- Use [runners](../../../ci/runners/index.md) registered to parent groups:
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- Secrets configured for the parent group are available to subgroup jobs.
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- Users with the Maintainer role in projects that belong to subgroups can see the details of runners registered to
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parent groups.
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For example:
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```mermaid
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graph TD
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subgraph "Parent group"
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subgraph "Subgroup A"
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subgraph "Subgroup A1"
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G["Project E"]
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end
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C["Project A"]
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D["Project B"]
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E["Project C"]
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end
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subgraph "Subgroup B"
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F["Project D"]
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end
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end
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```
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## View subgroups of a group
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Prerequisite:
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- To view private nested subgroups, you must be a direct or inherited member of
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the private subgroup.
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To view the subgroups of a group:
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1. On the top bar, select **Main menu > Groups** and find your group.
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1. Select the **Subgroups and projects** tab.
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1. To view a nested subgroup, expand a subgroup in the hierarchy list.
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### Private subgroups in public parent groups
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In the hierarchy list, public groups with a private subgroup have an expand option (**{chevron-down}**)
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for all users that indicate there is a subgroup. When users who are not direct or inherited members of
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the private subgroup select expand (**{chevron-down}**), the nested subgroup does not display.
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If you prefer to keep information about the presence of nested subgroups private, we advise that you only
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add private subgroups to private parent groups.
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## Create a subgroup
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Prerequisites:
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- You must either:
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- Have at least the Maintainer role for a group to create subgroups for it.
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- Have the [role determined by a setting](#change-who-can-create-subgroups). These users can create
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subgroups even if group creation is
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[disabled by an Administrator](../../admin_area/index.md#prevent-a-user-from-creating-groups) in the user's settings.
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NOTE:
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You cannot host a GitLab Pages subgroup website with a top-level domain name. For example, `subgroupname.example.io`.
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To create a subgroup:
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1. On the top bar, select **Main menu > Groups** and find and select the parent group to add a subgroup to.
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1. On the parent group's overview page, in the top right, select **New subgroup**.
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1. Select **Create group**.
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1. Fill in the fields. View a list of [reserved names](../../reserved_names.md) that cannot be used as group names.
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1. Select **Create group**.
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### Change who can create subgroups
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To create a subgroup, you must have at least the Maintainer role on the group, depending on the group's setting. By
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default:
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To change who can create subgroups on a group:
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- As a user with the Owner role on the group:
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1. On the top bar, select **Main menu > Groups** and find your group.
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1. On the left sidebar, select **Settings > General**.
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1. Expand **Permissions and group features**.
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1. Select a role from **Roles allowed to create subgroups**.
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1. Select **Save changes**.
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- As an administrator:
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1. On the top bar, select **Main menu > Admin**.
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1. On the left sidebar, select **Overview > Groups**.
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1. In the group's row select **Edit**.
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1. Select a role from **Allowed to create subgroups**.
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1. Select **Save changes**.
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For more information, view the [permissions table](../../permissions.md#group-members-permissions).
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## Subgroup membership
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NOTE:
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There is a bug that causes some pages in the parent group to be accessible by subgroup members. For more details, see [this issue](https://gitlab.com/gitlab-org/gitlab/-/issues/340421).
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When you add a member to a group, that member is also added to all subgroups. The user's permissions are inherited from
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the group's parent.
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Subgroup members can:
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1. Be [direct members](../../project/members/index.md#add-users-to-a-project) of the subgroup.
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1. [Inherit membership](../../project/members/index.md#inherited-membership) of the subgroup from the subgroup's parent group.
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1. Be a member of a group that was [shared with the subgroup's top-level group](../manage.md#share-a-group-with-another-group).
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```mermaid
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flowchart RL
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subgraph Group A
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A(Direct member)
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B{{Shared member}}
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subgraph Subgroup A
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H(1. Direct member)
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C{{2. Inherited member}}
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D{{Inherited member}}
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E{{3. Shared member}}
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end
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A-->|Direct membership of Group A\nInherited membership of Subgroup A|C
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end
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subgraph Group C
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G(Direct member)
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end
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subgraph Group B
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F(Direct member)
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end
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F-->|Group B\nshared with\nGroup A|B
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B-->|Inherited membership of Subgroup A|D
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G-->|Group C shared with Subgroup A|E
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```
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Group permissions for a member can be changed only by:
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- Users with the Owner role on the group.
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- Changing the configuration of the group the member was added to.
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### Determine membership inheritance
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To see if a member has inherited the permissions from a parent group:
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1. On the top bar, select **Main menu > Groups** and find the group.
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1. Select **Group information > Members**.
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Members list for an example subgroup _Four_:
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In the screenshot above:
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- Five members have access to group _Four_.
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- User 0 has the Reporter role on group _Four_, and has inherited their permissions from group _One_:
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- User 0 is a direct member of group _One_.
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- Group _One_ is above group _Four_ in the hierarchy.
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- User 1 has the Developer role on group _Four_ and inherited their permissions from group _Two_:
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- User 0 is a direct member of group _Two_, which is a subgroup of group _One_.
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- Groups _One / Two_ are above group _Four_ in the hierarchy.
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- User 2 has the Developer role on group _Four_ and has inherited their permissions from group _Three_:
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- User 0 is a direct member of group _Three_, which is a subgroup of group _Two_. Group _Two_ is a subgroup of group
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_One_.
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- Groups _One / Two / Three_ are above group _Four_ the hierarchy.
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- User 3 is a direct member of group _Four_. This means they get their Maintainer role directly from group _Four_.
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- Administrator has the Owner role on group _Four_ and is a member of all subgroups. For that reason, as with User 3,
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the **Source** column indicates they are a direct member.
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Members can be [filtered by inherited or direct membership](../manage.md#filter-a-group).
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### Override ancestor group membership
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Users with the Owner role on a subgroup can add members to it.
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You can't give a user a role on a subgroup that's lower than the roles they have on ancestor groups. To override a user's
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role on an ancestor group, add the user to the subgroup again with a higher role. For example:
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- If User 1 is added to group _Two_ with the Developer role, they inherit that role in every subgroup of group _Two_.
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- To give User 1 the Maintainer role on group _Four_ (under _One / Two / Three_), add them again to group _Four_ with
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the Maintainer role.
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- If User 1 is removed from group _Four_, their role falls back to their role on group _Two_. They have the Developer
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role on group _Four_ again.
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## Mention subgroups
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Mentioning subgroups ([`@<subgroup_name>`](../../discussions/index.md#mentions)) in issues, commits, and merge requests
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notifies all direct members of that group. Inherited members of a subgroup are not notified by mentions. Mentioning works the same as for projects and groups, and you can choose the group
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of people to be notified.
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<!-- ## Troubleshooting
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Include any troubleshooting steps that you can foresee. If you know beforehand what issues
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one might have when setting this up, or when something is changed, or on upgrading, it's
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important to describe those, too. Think of things that may go wrong and include them here.
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This is important to minimize requests for support, and to avoid doc comments with
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questions that you know someone might ask.
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Each scenario can be a third-level heading, for example `### Getting error message X`.
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If you have none to add when creating a doc, leave this section in place
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but commented out to help encourage others to add to it in the future. -->
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