Fixed documentation and added redis/sentinel roles instruction
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@ -235,7 +235,7 @@ In `/etc/gitlab/gitlab.rb`:
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## Redis TCP support (will disable UNIX socket transport)
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redis['bind'] = '0.0.0.0' # or specify an IP to bind to a single one
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redis['port'] = 6379
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redis['requirepass'] = 'redis-password-goes-here'
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redis['password'] = 'redis-password-goes-here'
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redis['master_password'] = 'redis-password-goes-here'
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```
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@ -249,7 +249,7 @@ with an additional `Slave` section as in the example below:
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```ruby
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redis['bind'] = '0.0.0.0' # or specify an IP to bind to a single one
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redis['port'] = 6379
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redis['requirepass'] = 'redis-password-goes-here'
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redis['password'] = 'redis-password-goes-here'
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redis['master_password'] = 'redis-password-goes-here'
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## Slave redis instance
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@ -327,27 +327,25 @@ To setup sentinel, you edit `/etc/gitlab/gitlab.rb` file:
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```ruby
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## When you install Sentinel in a separate machine, you need to control which
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## other services will be running in it. Take a look at the following variables
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## and enable or disable whenever it fits your strategy:
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## other services will be running in it.
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## We've simplified the choice using special "roles" settings:
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## Enabled Redis and Sentinel services
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redis['enable'] = true
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sentinel['enable'] = true
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## Enabled Sentinel and Redis Master services
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redis_sentinel_role['enable'] = true
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redis_master_role['enable'] = true
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# Disabled all other services
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bootstrap['enable'] = false
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nginx['enable'] = false
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postgresql['enable'] = false
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gitlab_rails['enable'] = false
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mailroom['enable'] = false
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## Enabled Sentinel and Redis Slave services
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redis_sentinel_role['enable'] = true
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redis_master_role['enable'] = true
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## Configure Redis
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redis['master_name'] = 'gitlab-redis' # must be the same in every sentinel node
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redis['master_ip'] = '10.0.0.1' # ip of the initial master redis instance
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redis['master_port'] = 6379 # port of the initial master redis instance
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redis['master_password'] = 'your-secure-password-here' # the same value defined in redis['password'] in the master instance
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redis['master_password'] = 'redis-password-goes-here' # the same value defined in redis['password'] in the master instance
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## Configure Sentinel
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sentinel['bind'] = '0.0.0.0' # or specify an IP to bind to a single one
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# sentinel['port'] = 26379 # uncomment to change default port
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## Quorum must reflect the amount of voting sentinels it take to start a failover.
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@ -388,6 +386,48 @@ sentinel['quorum'] = 2
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# sentinel['failover_timeout'] = 60000
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```
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In the example above we've used `redis_sentinel_role` and `redis_master_role`
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which simplify the ammount of configuration changes.
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If you want more control, here is what each one sets for you automatically
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when enabled:
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```ruby
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## Redis Sentinel Role
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redis_sentinel_role['enable'] = true
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# When Sentinel Role is enabled, the following services are enabled/disabled:
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sentinel['enable'] = true
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# This others are disabled:
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redis['enable'] = false
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bootstrap['enable'] = false
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nginx['enable'] = false
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postgresql['enable'] = false
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gitlab_rails['enable'] = false
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mailroom['enable'] = false
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## Redis master/slave Role:
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redis_master_role['enable'] = true # enable only one of them
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redis_slave_role['enable'] = true # enable only one of them
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# When Redis Master or Slave role are enabled, the following services are enabled/disabled:
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# (Note that if redis and sentinel roles are combined both services will be enabled)
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# When Sentinel Role is enabled, the following services are enabled/disabled:
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redis['enable'] = true
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# This others are disabled:
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sentinel['enable'] = false
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bootstrap['enable'] = false
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nginx['enable'] = false
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postgresql['enable'] = false
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gitlab_rails['enable'] = false
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mailroom['enable'] = false
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# Redis Slave role also change this setting from default 'true' to 'false':
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redis['master'] = false
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```
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---
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The final part is to inform the main GitLab application server of the Redis
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