Merge branch '39426-update-fog-google-docs' into 'master'

Add docs for backing up to Google Cloud Storage

See merge request gitlab-org/gitlab-ce!15074

doc/raketasks/backup_restore.md

@@ -136,44 +136,54 @@ In the example below we use Amazon S3 for storage, but Fog also lets you use
 for AWS, Google, OpenStack Swift, Rackspace and Aliyun as well. A local driver is
 [also available](#uploading-to-locally-mounted-shares).
 
-For omnibus packages, add the following to `/etc/gitlab/gitlab.rb`:
+#### Using Amazon S3
 
-```ruby
-gitlab_rails['backup_upload_connection'] = {
-  'provider' => 'AWS',
-  'region' => 'eu-west-1',
-  'aws_access_key_id' => 'AKIAKIAKI',
-  'aws_secret_access_key' => 'secret123'
-  # If using an IAM Profile, don't configure aws_access_key_id & aws_secret_access_key
-  # 'use_iam_profile' => true
-}
-gitlab_rails['backup_upload_remote_directory'] = 'my.s3.bucket'
-```
+For Omnibus GitLab packages:
+
+1. Add the following to `/etc/gitlab/gitlab.rb`:
+
+    ```ruby
+    gitlab_rails['backup_upload_connection'] = {
+      'provider' => 'AWS',
+      'region' => 'eu-west-1',
+      'aws_access_key_id' => 'AKIAKIAKI',
+      'aws_secret_access_key' => 'secret123'
+      # If using an IAM Profile, don't configure aws_access_key_id & aws_secret_access_key
+      # 'use_iam_profile' => true
+    }
+    gitlab_rails['backup_upload_remote_directory'] = 'my.s3.bucket'
+    ```
+
+1. [Reconfigure GitLab] for the changes to take effect
 
-Make sure to run `sudo gitlab-ctl reconfigure` after editing `/etc/gitlab/gitlab.rb` to reflect the changes.
+---
 
 For installations from source:
 
-```yaml
-  backup:
-    # snip
-    upload:
-      # Fog storage connection settings, see http://fog.io/storage/ .
-      connection:
-        provider: AWS
-        region: eu-west-1
-        aws_access_key_id: AKIAKIAKI
-        aws_secret_access_key: 'secret123'
-        # If using an IAM Profile, leave aws_access_key_id & aws_secret_access_key empty
-        # ie. aws_access_key_id: ''
-        # use_iam_profile: 'true'
-      # The remote 'directory' to store your backups. For S3, this would be the bucket name.
-      remote_directory: 'my.s3.bucket'
-      # Turns on AWS Server-Side Encryption with Amazon S3-Managed Keys for backups, this is optional
-      # encryption: 'AES256'
-      # Specifies Amazon S3 storage class to use for backups, this is optional
-      # storage_class: 'STANDARD'
-```
+1. Edit `home/git/gitlab/config/gitlab.yml`:
+
+    ```yaml
+      backup:
+        # snip
+        upload:
+          # Fog storage connection settings, see http://fog.io/storage/ .
+          connection:
+            provider: AWS
+            region: eu-west-1
+            aws_access_key_id: AKIAKIAKI
+            aws_secret_access_key: 'secret123'
+            # If using an IAM Profile, leave aws_access_key_id & aws_secret_access_key empty
+            # ie. aws_access_key_id: ''
+            # use_iam_profile: 'true'
+          # The remote 'directory' to store your backups. For S3, this would be the bucket name.
+          remote_directory: 'my.s3.bucket'
+          # Turns on AWS Server-Side Encryption with Amazon S3-Managed Keys for backups, this is optional
+          # encryption: 'AES256'
+          # Specifies Amazon S3 storage class to use for backups, this is optional
+          # storage_class: 'STANDARD'
+    ```
+
+1. [Restart GitLab] for the changes to take effect
 
 If you are uploading your backups to S3 you will probably want to create a new
 IAM user with restricted access rights. To give the upload user access only for
@@ -226,6 +236,50 @@ with the name of your bucket:
 }
 ```
 
+#### Using Google Cloud Storage
+
+If you want to use Google Cloud Storage to save backups, you'll have to create
+an access key from the Google console first:
+
+1. Go to the storage settings page https://console.cloud.google.com/storage/settings
+1. Select "Interoperability" and create an access key
+1. Make note of the "Access Key" and "Secret" and replace them in the
+   configurations below
+1. Make sure you already have a bucket created
+
+For Omnibus GitLab packages:
+
+1. Edit `/etc/gitlab/gitlab.rb`:
+
+    ```ruby
+    gitlab_rails['backup_upload_connection'] = {
+      'provider' => 'Google',
+      'google_storage_access_key_id' => 'Access Key',
+      'google_storage_secret_access_key' => 'Secret'
+    }
+    gitlab_rails['backup_upload_remote_directory'] = 'my.google.bucket'
+    ```
+
+1. [Reconfigure GitLab] for the changes to take effect
+
+---
+
+For installations from source:
+
+1. Edit `home/git/gitlab/config/gitlab.yml`:
+
+    ```yaml
+      backup:
+        upload:
+          connection:
+            provider: 'Google'
+            google_storage_access_key_id: 'Access Key'
+            google_storage_secret_access_key: 'Secret'
+          remote_directory: 'my.google.bucket'
+    ```
+
+1. [Restart GitLab] for the changes to take effect
+
 ### Uploading to locally mounted shares
 
 You may also send backups to a mounted share (`NFS` / `CIFS` / `SMB` / etc.) by
@@ -554,3 +608,6 @@ The rake task runs this as the `gitlab` user which does not have the superuser a
 Those objects have no influence on the database backup/restore but they give this annoying warning.
 
 For more information see similar questions on postgresql issue tracker[here](http://www.postgresql.org/message-id/201110220712.30886.adrian.klaver@gmail.com) and [here](http://www.postgresql.org/message-id/2039.1177339749@sss.pgh.pa.us) as well as [stack overflow](http://stackoverflow.com/questions/4368789/error-must-be-owner-of-language-plpgsql).
+
+[reconfigure GitLab]: ../administration/restart_gitlab.md#omnibus-gitlab-reconfigure
+[restart GitLab]: ../administration/restart_gitlab.md#installations-from-source