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Commit c7d8f16b authored by Achilleas Pipinellis's avatar Achilleas Pipinellis
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Merge branch 'rdoursenaud/gitlab-ce-omniauth-bitbucket' into 'master' 

Update Bitbucket OmniAuth documentation

## What does this MR do?

Updates the Bitbucket integration documentation.

## Why was this MR needed?

Current documentation is out of date and very confusing.

## What are the relevant issue numbers?

Closes https://gitlab.com/gitlab-org/gitlab-ce/issues/2137 and https://gitlab.com/gitlab-org/omnibus-gitlab/issues/1052.

See merge request !6106
parents 3a865ed2 8fe7817e
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doc/integration/bitbucket.md
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# Integrate your server with Bitbucket
# Integrate your GitLab server with Bitbucket
Import projects from Bitbucket and login to your GitLab instance with your Bitbucket account.
Import projects from Bitbucket.org and login to your GitLab instance with your
Bitbucket.org account.
To enable the Bitbucket OmniAuth provider you must register your application with Bitbucket.
Bitbucket will generate an application ID and secret key for you to use.
## Overview
1. Sign in to Bitbucket.
You can set up Bitbucket.org as an OAuth provider so that you can use your
credentials to authenticate into GitLab or import your projects from
Bitbucket.org.
1. Navigate to your individual user settings or a team's settings, depending on how you want the application registered. It does not matter if the application is registered as an individual or a team - that is entirely up to you.
- To use Bitbucket.org as an OmniAuth provider, follow the [Bitbucket OmniAuth
provider](#bitbucket-omniauth-provider) section.
- To import projects from Bitbucket, follow both the
[Bitbucket OmniAuth provider](#bitbucket-omniauth-provider) and
[Bitbucket project import](#bitbucket-project-import) sections.
1. Select "OAuth" in the left menu.
## Bitbucket OmniAuth provider
1. Select "Add consumer".
> **Note:**
Make sure to first follow the [Initial OmniAuth configuration][init-oauth]
before proceeding with setting up the Bitbucket integration.
1. Provide the required details.
- Name: This can be anything. Consider something like `<Organization>'s GitLab` or `<Your Name>'s GitLab` or something else descriptive.
- Application description: Fill this in if you wish.
- URL: The URL to your GitLab installation. 'https://gitlab.company.com'
1. Select "Save".
To enable the Bitbucket OmniAuth provider you must register your application
with Bitbucket.org. Bitbucket will generate an application ID and secret key for
you to use.
1. You should now see a Key and Secret in the list of OAuth customers.
Keep this page open as you continue configuration.
1. Sign in to [Bitbucket.org](https://bitbucket.org).
1. Navigate to your individual user settings (**Bitbucket settings**) or a team's
settings (**Manage team**), depending on how you want the application registered.
It does not matter if the application is registered as an individual or a
team, that is entirely up to you.
1. Select **OAuth** in the left menu under "Access Management".
1. Select **Add consumer**.
1. Provide the required details:
1. On your GitLab server, open the configuration file.
| Item | Description |
| :--- | :---------- |
| **Name** | This can be anything. Consider something like `<Organization>'s GitLab` or `<Your Name>'s GitLab` or something else descriptive. |
| **Application description** | Fill this in if you wish. |
| **Callback URL** | Leave blank. |
| **URL** | The URL to your GitLab installation, e.g., `https://gitlab.example.com`. |
For omnibus package:
And grant at least the following permissions:
```sh
sudo editor /etc/gitlab/gitlab.rb
```
Account: Email
Repositories: Read, Admin
```
For installations from source:
>**Note:**
It may seem a little odd to giving GitLab admin permissions to repositories,
but this is needed in order for GitLab to be able to clone the repositories.
```sh
cd /home/git/gitlab
![Bitbucket OAuth settings page](img/bitbucket_oauth_settings_page.png)
1. Select **Save**.
1. Select your newly created OAuth consumer and you should now see a Key and
Secret in the list of OAuth customers. Keep this page open as you continue
the configuration.
![Bitbucket OAuth key](img/bitbucket_oauth_keys.png)
1. On your GitLab server, open the configuration file:
sudo -u git -H editor config/gitlab.yml
```
# For Omnibus packages
sudo editor /etc/gitlab/gitlab.rb
1. See [Initial OmniAuth Configuration](omniauth.md#initial-omniauth-configuration) for initial settings.
# For installations from source
sudo -u git -H editor /home/git/gitlab/config/gitlab.yml
```
1. Add the provider configuration:
1. Follow the [Initial OmniAuth Configuration](omniauth.md#initial-omniauth-configuration)
for initial settings.
1. Add the Bitbucket provider configuration:
For omnibus package:
For Omnibus packages:
```ruby
gitlab_rails['omniauth_providers'] = [
{
"name" => "bitbucket",
"app_id" => "YOUR_KEY",
"app_secret" => "YOUR_APP_SECRET",
"url" => "https://bitbucket.org/"
}
]
gitlab_rails['omniauth_providers'] = [
{
"name" => "bitbucket",
"app_id" => "BITBUCKET_APP_KEY",
"app_secret" => "BITBUCKET_APP_SECRET",
"url" => "https://bitbucket.org/"
}
]
```
For installation from source:
For installations from source:
```
- { name: 'bitbucket', app_id: 'YOUR_KEY',
app_secret: 'YOUR_APP_SECRET' }
```yaml
- { name: 'bitbucket',
app_id: 'BITBUCKET_APP_KEY',
app_secret: 'BITBUCKET_APP_SECRET' }
```
1. Change 'YOUR_APP_ID' to the key from the Bitbucket application page from step 7.
---
1. Change 'YOUR_APP_SECRET' to the secret from the Bitbucket application page from step 7.
Where `BITBUCKET_APP_KEY` is the Key and `BITBUCKET_APP_SECRET` the Secret
from the Bitbucket application page.
1. Save the configuration file.
1. [Reconfigure][] or [restart GitLab][] for the changes to take effect if you
installed GitLab via Omnibus or from source respectively.
1. If you're using the omnibus package, reconfigure GitLab (```gitlab-ctl reconfigure```).
1. Restart GitLab for the changes to take effect.
On the sign in page there should now be a Bitbucket icon below the regular sign in form.
Click the icon to begin the authentication process. Bitbucket will ask the user to sign in and authorize the GitLab application.
If everything goes well the user will be returned to GitLab and will be signed in.
On the sign in page there should now be a Bitbucket icon below the regular sign
in form. Click the icon to begin the authentication process. Bitbucket will ask
the user to sign in and authorize the GitLab application. If everything goes
well, the user will be returned to GitLab and will be signed in.
## Bitbucket project import
To allow projects to be imported directly into GitLab, Bitbucket requires two extra setup steps compared to GitHub and GitLab.com.
To allow projects to be imported directly into GitLab, Bitbucket requires two
extra setup steps compared to [GitHub](github.md) and [GitLab.com](gitlab.md).
Bitbucket doesn't allow OAuth applications to clone repositories over HTTPS, and instead requires GitLab to use SSH and identify itself using your GitLab server's SSH key.
Bitbucket doesn't allow OAuth applications to clone repositories over HTTPS, and
instead requires GitLab to use SSH and identify itself using your GitLab
server's SSH key.
### Step 1: Public key
To be able to access repositories on Bitbucket, GitLab will automatically
register your public key with Bitbucket as a deploy key for the repositories to
be imported. Your public key needs to be at `~/.ssh/bitbucket_rsa` which
translates to `/var/opt/gitlab/.ssh/bitbucket_rsa` for Omnibus packages and to
`/home/git/.ssh/bitbucket_rsa.pub` for installations from source.
To be able to access repositories on Bitbucket, GitLab will automatically register your public key with Bitbucket as a deploy key for the repositories to be imported. Your public key needs to be at `~/.ssh/bitbucket_rsa.pub`, which will expand to `/home/git/.ssh/bitbucket_rsa.pub` in most configurations.
---
If you have that file in place, you're all set and should see the "Import projects from Bitbucket" option enabled. If you don't, do the following:
Below are the steps that will allow GitLab to be able to import your projects
from Bitbucket.
1. Create a new SSH key:
1. Make sure you [have enabled the Bitbucket OAuth support](#bitbucket-omniauth-provider).
1. Create a new SSH key with an **empty passphrase**:
```sh
sudo -u git -H ssh-keygen
```
When asked `Enter file in which to save the key` specify the correct path, eg. `/home/git/.ssh/bitbucket_rsa`.
Make sure to use an **empty passphrase**.
When asked to 'Enter file in which to save the key' enter:
`/var/opt/gitlab/.ssh/bitbucket_rsa` for Omnibus packages or
`/home/git/.ssh/bitbucket_rsa` for installations from source. The name is
important so make sure to get it right.
1. Configure SSH client to use your new key:
> **Warning:**
This key must NOT be associated with ANY existing Bitbucket accounts. If it
is, the import will fail with an `Access denied! Please verify you can add
deploy keys to this repository.` error.
Open the SSH configuration file of the git user.
1. Next, you need to to configure the SSH client to use your new key. Open the
SSH configuration file of the `git` user:
```sh
sudo editor /home/git/.ssh/config
```
# For Omnibus packages
sudo editor /var/opt/gitlab/.ssh/config
# For installations from source
sudo editor /home/git/.ssh/config
```
Add a host configuration for `bitbucket.org`.
1. Add a host configuration for `bitbucket.org`:
```sh
Host bitbucket.org
......@@ -113,28 +166,46 @@ If you have that file in place, you're all set and should see the "Import projec
User git
```
### Step 2: Known hosts
To allow GitLab to connect to Bitbucket over SSH, you need to add 'bitbucket.org' to your GitLab server's known SSH hosts. Take the following steps to do so:
1. Manually connect to 'bitbucket.org' over SSH, while logged in as the `git` account that GitLab will use:
1. Save the file and exit.
1. Manually connect to `bitbucket.org` over SSH, while logged in as the `git`
user that GitLab will use:
```sh
sudo -u git -H ssh bitbucket.org
```
1. Verify the RSA key fingerprint you'll see in the response matches the one in the [Bitbucket documentation](https://confluence.atlassian.com/display/BITBUCKET/Use+the+SSH+protocol+with+Bitbucket#UsetheSSHprotocolwithBitbucket-KnownhostorBitbucket'spublickeyfingerprints) (the specific IP address doesn't matter):
That step is performed because GitLab needs to connect to Bitbucket over SSH,
in order to add `bitbucket.org` to your GitLab server's known SSH hosts.
1. Verify the RSA key fingerprint you'll see in the response matches the one
in the [Bitbucket documentation][bitbucket-docs] (the specific IP address
doesn't matter):
```sh
The authenticity of host 'bitbucket.org (207.223.240.182)' can't be established.
RSA key fingerprint is 97:8c:1b:f2:6f:14:6b:5c:3b:ec:aa:46:46:74:7c:40.
The authenticity of host 'bitbucket.org (104.192.143.1)' can't be established.
RSA key fingerprint is SHA256:zzXQOXSRBEiUtuE8AikJYKwbHaxvSc0ojez9YXaGp1A.
Are you sure you want to continue connecting (yes/no)?
```
1. If the fingerprint matches, type `yes` to continue connecting and have 'bitbucket.org' be added to your known hosts.
1. If the fingerprint matches, type `yes` to continue connecting and have
`bitbucket.org` be added to your known SSH hosts. After confirming you should
see a permission denied message. If you see an authentication successful
message you have done something wrong. The key you are using has already been
added to a Bitbucket account and will cause the import script to fail. Ensure
the key you are using CANNOT authenticate with Bitbucket.
1. Restart GitLab to allow it to find the new public key.
1. Your GitLab server is now able to connect to Bitbucket over SSH.
Your GitLab server is now able to connect to Bitbucket over SSH. You should be
able to see the "Import projects from Bitbucket" option on the New Project page
enabled.
1. Restart GitLab to allow it to find the new public key.
## Acknowledgemts
Special thanks to the writer behind the following article:
- http://stratus3d.com/blog/2015/09/06/migrating-from-bitbucket-to-local-gitlab-server/
You should now see the "Import projects from Bitbucket" option on the New Project page enabled.
[init-oauth]: omniauth.md#initial-omniauth-configuration
[bitbucket-docs]: https://confluence.atlassian.com/bitbucket/use-the-ssh-protocol-with-bitbucket-cloud-221449711.html#UsetheSSHprotocolwithBitbucketCloud-KnownhostorBitbucket%27spublickeyfingerprints
[reconfigure]: ../administration/restart_gitlab.md#omnibus-gitlab-reconfigure
[restart GitLab]: ../administration/restart_gitlab.md#installations-from-source
doc/integration/omniauth.md
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......@@ -102,8 +102,8 @@ To change these settings:
block_auto_created_users: true
```
Now we can choose one or more of the Supported Providers listed above to continue
the configuration process.
Now we can choose one or more of the [Supported Providers](#supported-providers)
listed above to continue the configuration process.
## Enable OmniAuth for an Existing User
......
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