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---
type: reference
---
# Configuring Sidekiq
This section discusses how to configure an external Sidekiq instance.
Sidekiq requires connection to the Redis, PostgreSQL and Gitaly instance.
To configure the Sidekiq node:
1. SSH into the Sidekiq server.
1. [Download/install](https://about.gitlab.com/install/) the Omnibus GitLab package
you want using steps 1 and 2 from the GitLab downloads page.
**Do not complete any other steps on the download page.**
1. Open `/etc/gitlab/gitlab.rb` with your editor.
1. Generate the Sidekiq configuration:
```ruby
sidekiq['listen_address'] = "10.10.1.48"
## Optional: Enable extra Sidekiq processes
sidekiq_cluster['enable'] = true
sidekiq_cluster['enable'] = true
"elastic_indexer"
]
```
1. Setup Sidekiq's connection to Redis:
```ruby
## Must be the same in every sentinel node
redis['master_name'] = 'gitlab-redis'
## The same password for Redis authentication you set up for the master node.
redis['master_password'] = 'YOUR_PASSOWORD'
## A list of sentinels with `host` and `port`
gitlab_rails['redis_sentinels'] = [
{'host' => '10.10.1.34', 'port' => 26379},
{'host' => '10.10.1.35', 'port' => 26379},
{'host' => '10.10.1.36', 'port' => 26379},
]
```
1. Setup Sidekiq's connection to Gitaly:
```ruby
git_data_dirs({
'default' => { 'gitaly_address' => 'tcp://gitaly:8075' },
})
gitlab_rails['gitaly_token'] = 'YOUR_TOKEN'
```
1. Setup Sidekiq's connection to PostgreSQL:
```ruby
gitlab_rails['db_host'] = '10.10.1.30'
gitlab_rails['db_password'] = 'YOUR_PASSOWORD'
gitlab_rails['db_port'] = '5432'
gitlab_rails['db_adapter'] = 'postgresql'
gitlab_rails['db_encoding'] = 'unicode'
gitlab_rails['auto_migrate'] = false
```
Remember to add the Sidekiq nodes to the PostgreSQL whitelist:
```ruby
postgresql['trust_auth_cidr_addresses'] = %w(127.0.0.1/32 10.10.1.30/32 10.10.1.31/32 10.10.1.32/32 10.10.1.33/32 10.10.1.38/32)
```
1. Disable other services:
```ruby
nginx['enable'] = false
grafana['enable'] = false
prometheus['enable'] = false
gitlab_rails['auto_migrate'] = false
alertmanager['enable'] = false
gitaly['enable'] = false
gitlab_monitor['enable'] = false
gitlab_workhorse['enable'] = false
nginx['enable'] = false
postgres_exporter['enable'] = false
postgresql['enable'] = false
redis['enable'] = false
redis_exporter['enable'] = false
unicorn['enable'] = false
gitlab_exporter['enable'] = false
```
1. Run `gitlab-ctl reconfigure`.
## Example configuration
Here's what the ending `/etc/gitlab/gitlab.rb` would look like:
```ruby
########################################
##### Services Disabled ###
########################################
nginx['enable'] = false
grafana['enable'] = false
prometheus['enable'] = false
gitlab_rails['auto_migrate'] = false
alertmanager['enable'] = false
gitaly['enable'] = false
gitlab_monitor['enable'] = false
gitlab_workhorse['enable'] = false
nginx['enable'] = false
postgres_exporter['enable'] = false
postgresql['enable'] = false
redis['enable'] = false
redis_exporter['enable'] = false
unicorn['enable'] = false
gitlab_exporter['enable'] = false
########################################
#### Redis ###
########################################
## Must be the same in every sentinel node
redis['master_name'] = 'gitlab-redis'
## The same password for Redis authentication you set up for the master node.
redis['master_password'] = 'YOUR_PASSOWORD'
## A list of sentinels with `host` and `port`
gitlab_rails['redis_sentinels'] = [
{'host' => '10.10.1.34', 'port' => 26379},
{'host' => '10.10.1.35', 'port' => 26379},
{'host' => '10.10.1.36', 'port' => 26379},
]
#######################################
### Gitaly ###
#######################################
git_data_dirs({
'default' => { 'gitaly_address' => 'tcp://gitaly:8075' },
})
gitlab_rails['gitaly_token'] = 'YOUR_TOKEN'
#######################################
### Postgres ###
#######################################
gitlab_rails['db_host'] = '10.10.1.30'
gitlab_rails['db_password'] = 'YOUR_PASSOWORD'
gitlab_rails['db_port'] = '5432'
gitlab_rails['db_adapter'] = 'postgresql'
gitlab_rails['db_encoding'] = 'unicode'
gitlab_rails['auto_migrate'] = false
#######################################
### Sidekiq configuration ###
#######################################
sidekiq['listen_address'] = "10.10.1.48"
#######################################
### Monitoring configuration ###
#######################################
consul['enable'] = true
consul['monitoring_service_discovery'] = true
consul['configuration'] = {
bind_addr: '10.10.1.48',
retry_join: %w(10.10.1.34 10.10.1.35 10.10.1.36)
}
# Set the network addresses that the exporters will listen on
node_exporter['listen_address'] = '10.10.1.48:9100'
# Rails Status for prometheus
gitlab_rails['monitoring_whitelist'] = ['10.10.1.42', '127.0.0.1']
```
## Further reading
Related Sidekiq configuration:
1. [Extra Sidekiq processes](../operations/extra_sidekiq_processes.md)
1. [Using the GitLab-Sidekiq chart](https://docs.gitlab.com/charts/charts/gitlab/sidekiq/)
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