gitlab.rb

# Avoid running unnecessary services on the Sidekiq server
gitaly['enable'] = true
postgresql['enable'] = true
redis['enable'] = true
puma['enable'] = false
gitlab_workhorse['enable'] = false
prometheus['enable'] = false
alertmanager['enable'] = true
grafana['enable'] = false
gitlab_exporter['enable'] = false
nginx['enable'] = true

# Redis
## Redis connection details
## First cluster that will host the cache
gitlab_rails['redis_cache_instance'] = 'redis://:<REDIS_PRIMARY_PASSWORD_OF_FIRST_CLUSTER>@gitlab-redis-cache'

gitlab_rails['redis_cache_sentinels'] = [
  {host: '10.6.0.71', port: 26379},
  {host: '10.6.0.72', port: 26379},
  {host: '10.6.0.73', port: 26379},
]

## Second cluster that will host the queues, shared state, and actioncable
gitlab_rails['redis_queues_instance'] = 'redis://:<REDIS_PRIMARY_PASSWORD_OF_SECOND_CLUSTER>@gitlab-redis-persistent'
gitlab_rails['redis_shared_state_instance'] = 'redis://:<REDIS_PRIMARY_PASSWORD_OF_SECOND_CLUSTER>@gitlab-redis-persistent'
gitlab_rails['redis_actioncable_instance'] = 'redis://:<REDIS_PRIMARY_PASSWORD_OF_SECOND_CLUSTER>@gitlab-redis-persistent'

gitlab_rails['redis_queues_sentinels'] = [
  {host: '10.6.0.81', port: 26379},
  {host: '10.6.0.82', port: 26379},
  {host: '10.6.0.83', port: 26379},
]
gitlab_rails['redis_shared_state_sentinels'] = [
  {host: '10.6.0.81', port: 26379},
  {host: '10.6.0.82', port: 26379},
  {host: '10.6.0.83', port: 26379},
]
gitlab_rails['redis_actioncable_sentinels'] = [
  {host: '10.6.0.81', port: 26379},
  {host: '10.6.0.82', port: 26379},
  {host: '10.6.0.83', port: 26379},
]

# Gitaly
# git_data_dirs get configured for the Praefect virtual storage
# Address is Internal Load Balancer for Praefect
# Token is praefect_external_token
git_data_dirs({
  "default" => {
    "gitaly_address" => "tcp://10.6.0.40:2305", # internal load balancer IP
    "gitaly_token" => '<praefect_external_token>'
  }
})

# PostgreSQL
gitlab_rails['db_host'] = '10.6.0.20' # internal load balancer IP
gitlab_rails['db_port'] = 6432
gitlab_rails['db_password'] = '<postgresql_user_password>'
gitlab_rails['db_adapter'] = 'postgresql'
gitlab_rails['db_encoding'] = 'unicode'
## Prevent database migrations from running on upgrade automatically
gitlab_rails['auto_migrate'] = false

# Sidekiq
sidekiq['enable'] = true
sidekiq['listen_address'] = "0.0.0.0"

## Set number of Sidekiq queue processes to the same number as available CPUs
sidekiq['queue_groups'] = ['*'] * 4

## Set number of Sidekiq threads per queue process to the recommend number of 10
sidekiq['max_concurrency'] = 10

# Monitoring
consul['enable'] = true
consul['monitoring_service_discovery'] =  true

consul['configuration'] = {
   retry_join: %w(10.6.0.11 10.6.0.12 10.6.0.13)
}

# Set the network addresses that the exporters will listen on
node_exporter['listen_address'] = '127.0.0.1:9001'

## Add the monitoring node's IP address to the monitoring whitelist
gitlab_rails['monitoring_whitelist'] = ['10.6.0.151/32', '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-artifacts-bucket-name>"
gitlab_rails['object_store']['objects']['external_diffs']['bucket'] = "<gcp-external-diffs-bucket-name>"
gitlab_rails['object_store']['objects']['lfs']['bucket'] = "<gcp-lfs-bucket-name>"
gitlab_rails['object_store']['objects']['uploads']['bucket'] = "<gcp-uploads-bucket-name>"
gitlab_rails['object_store']['objects']['packages']['bucket'] = "<gcp-packages-bucket-name>"
gitlab_rails['object_store']['objects']['dependency_proxy']['bucket'] = "<gcp-dependency-proxy-bucket-name>"
gitlab_rails['object_store']['objects']['terraform_state']['bucket'] = "<gcp-terraform-state-bucket-name>"

gitlab_rails['backup_upload_connection'] = {
  'provider' => 'Google',
  'google_project' => '<gcp-project-name>',
  'google_json_key_location' => '<path-to-gcp-service-account-key>'
}
gitlab_rails['backup_upload_remote_directory'] = "<gcp-backups-state-bucket-name>"