Add guidance on RA Object Storage

Also add to 2k

doc/administration/reference_architectures/10k_users.md

@@ -1629,6 +1629,9 @@ To configure the Sidekiq nodes, on each one:
    #############################
    ###     Object storage    ###
    #############################
+
+   # This is an example for configuring Object Storage on GCP
+   # Replace this config with your chosen Object Storage provider as desired
    gitlab_rails['object_store']['connection'] = {
      'provider' => 'Google',
      'google_project' => '<gcp-project-name>',
@@ -1758,6 +1761,9 @@ On each node perform the following:
    #############################
    ###     Object storage    ###
    #############################
+
+   # This is an example for configuring Object Storage on GCP
+   # Replace this config with your chosen Object Storage provider as desired
    gitlab_rails['object_store']['connection'] = {
      'provider' => 'Google',
      'google_project' => '<gcp-project-name>',

doc/administration/reference_architectures/25k_users.md

@@ -1629,6 +1629,9 @@ To configure the Sidekiq nodes, on each one:
    #############################
    ###     Object storage    ###
    #############################
+
+   # This is an example for configuring Object Storage on GCP
+   # Replace this config with your chosen Object Storage provider as desired
    gitlab_rails['object_store']['connection'] = {
      'provider' => 'Google',
      'google_project' => '<gcp-project-name>',
@@ -1758,6 +1761,9 @@ On each node perform the following:
    #############################
    ###     Object storage    ###
    #############################
+
+   # This is an example for configuring Object Storage on GCP
+   # Replace this config with your chosen Object Storage provider as desired
    gitlab_rails['object_store']['connection'] = {
      'provider' => 'Google',
      'google_project' => '<gcp-project-name>',

doc/administration/reference_architectures/2k_users.md

@@ -669,6 +669,25 @@ On each node perform the following:
    gitlab_rails['monitoring_whitelist'] = ['<MONITOR NODE IP>/32', '127.0.0.0/8']
    nginx['status']['options']['allow'] = ['<MONITOR NODE IP>/32', '127.0.0.0/8']
 
+   #############################
+   ###     Object storage    ###
+   #############################
+
+   # This is an example for configuring Object Storage on GCP
+   # Replace this config with your chosen Object Storage provider as desired
+   gitlab_rails['object_store']['connection'] = {
+     'provider' => 'Google',
+     'google_project' => '<gcp-project-name>',
+     'google_json_key_location' => '<path-to-gcp-service-account-key>'
+   }
+   gitlab_rails['object_store']['objects']['artifacts']['bucket'] = "<gcp-bucket-name>"
+   gitlab_rails['object_store']['objects']['external_diffs']['bucket'] = "<gcp-bucket-name>"
+   gitlab_rails['object_store']['objects']['lfs']['bucket'] = "<gcp-bucket-name>"
+   gitlab_rails['object_store']['objects']['uploads']['bucket'] = "<gcp-bucket-name>"
+   gitlab_rails['object_store']['objects']['packages']['bucket'] = "<gcp-bucket-name>"
+   gitlab_rails['object_store']['objects']['dependency_proxy']['bucket'] = "<gcp-bucket-name>"
+   gitlab_rails['object_store']['objects']['terraform_state']['bucket'] = "<gcp-bucket-name>"
+
    ## Uncomment and edit the following options if you have set up NFS
    ##
    ## Prevent GitLab from starting if NFS data mounts are not available

doc/administration/reference_architectures/3k_users.md

@@ -1314,6 +1314,9 @@ To configure the Sidekiq nodes, one each one:
    #############################
    ###     Object storage    ###
    #############################
+
+   # This is an example for configuring Object Storage on GCP
+   # Replace this config with your chosen Object Storage provider as desired
    gitlab_rails['object_store']['connection'] = {
      'provider' => 'Google',
      'google_project' => '<gcp-project-name>',
@@ -1478,6 +1481,9 @@ On each node perform the following:
    #############################
    ###     Object storage    ###
    #############################
+
+   # This is an example for configuring Object Storage on GCP
+   # Replace this config with your chosen Object Storage provider as desired
    gitlab_rails['object_store']['connection'] = {
      'provider' => 'Google',
      'google_project' => '<gcp-project-name>',

doc/administration/reference_architectures/50k_users.md

@@ -1629,6 +1629,9 @@ To configure the Sidekiq nodes, on each one:
    #############################
    ###     Object storage    ###
    #############################
+
+   # This is an example for configuring Object Storage on GCP
+   # Replace this config with your chosen Object Storage provider as desired
    gitlab_rails['object_store']['connection'] = {
      'provider' => 'Google',
      'google_project' => '<gcp-project-name>',
@@ -1758,6 +1761,9 @@ On each node perform the following:
    #############################
    ###     Object storage    ###
    #############################
+
+   # This is an example for configuring Object Storage on GCP
+   # Replace this config with your chosen Object Storage provider as desired
    gitlab_rails['object_store']['connection'] = {
      'provider' => 'Google',
      'google_project' => '<gcp-project-name>',

doc/administration/reference_architectures/5k_users.md

@@ -1311,6 +1311,9 @@ To configure the Sidekiq nodes, one each one:
    #############################
    ###     Object storage    ###
    #############################
+
+   # This is an example for configuring Object Storage on GCP
+   # Replace this config with your chosen Object Storage provider as desired
    gitlab_rails['object_store']['connection'] = {
      'provider' => 'Google',
      'google_project' => '<gcp-project-name>',
@@ -1460,6 +1463,9 @@ On each node perform the following:
    #############################
    ###     Object storage    ###
    #############################
+
+   # This is an example for configuring Object Storage on GCP
+   # Replace this config with your chosen Object Storage provider as desired
    gitlab_rails['object_store']['connection'] = {
      'provider' => 'Google',
      'google_project' => '<gcp-project-name>',