Commit 2428a550 authored by Achilleas Pipinellis's avatar Achilleas Pipinellis

Merge branch 'bjk/ha_whitelist' into 'master'

Update HA monitoring documentation

See merge request gitlab-org/gitlab-ce!30070
parents fc35892a b0821c14
......@@ -158,12 +158,11 @@ If you enable Monitoring, it must be enabled on **all** GitLab servers.
sidekiq['listen_address'] = "0.0.0.0"
unicorn['listen'] = '0.0.0.0'
# Add the monitoring node's IP address to the monitoring whitelist and allow it to scrape the NGINX metrics
# Replace placeholder
# monitoring.gitlab.example.com
# with the addresses gathered for the monitoring node
gitlab_rails['monitoring_whitelist'] = ['monitoring.gitlab.example.com']
nginx['status']['options']['allow'] = ['monitoring.gitlab.example.com']
# Add the monitoring node's IP address to the monitoring whitelist and allow it to
# scrape the NGINX metrics. Replace placeholder `monitoring.gitlab.example.com` with
# the address and/or subnets gathered from the monitoring node(s).
gitlab_rails['monitoring_whitelist'] = ['monitoring.gitlab.example.com', '127.0.0.0/8']
nginx['status']['options']['allow'] = ['monitoring.gitlab.example.com', '127.0.0.0/8']
```
1. Run `sudo gitlab-ctl reconfigure` to compile the configuration.
......
......@@ -62,6 +62,33 @@ See our [HA documentation for PostgreSQL](database.md) for information on runnin
1. At this point, your instance should connect to the database through pgbouncer. If you are having issues, see the [Troubleshooting](#troubleshooting) section
## Enable Monitoring
> [Introduced](https://gitlab.com/gitlab-org/omnibus-gitlab/issues/3786) in GitLab 12.0.
If you enable Monitoring, it must be enabled on **all** pgbouncer servers.
1. Create/edit `/etc/gitlab/gitlab.rb` and add the following configuration:
```ruby
# Enable service discovery for Prometheus
consul['enable'] = true
consul['monitoring_service_discovery'] = true
# Replace placeholders
# Y.Y.Y.Y consul1.gitlab.example.com Z.Z.Z.Z
# with the addresses of the Consul server nodes
consul['configuration'] = {
retry_join: %w(Y.Y.Y.Y consul1.gitlab.example.com Z.Z.Z.Z),
}
# Set the network addresses that the exporters will listen on
node_exporter['listen_address'] = '0.0.0.0:9100'
pgbouncer_exporter['listen_address'] = '0.0.0.0:9188'
```
1. Run `sudo gitlab-ctl reconfigure` to compile the configuration.
### Interacting with pgbouncer
#### Administrative console
......
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