diff options
Diffstat (limited to 'lib/gitlab/database/load_balancing/service_discovery.rb')
| -rw-r--r-- | lib/gitlab/database/load_balancing/service_discovery.rb | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/lib/gitlab/database/load_balancing/service_discovery.rb b/lib/gitlab/database/load_balancing/service_discovery.rb index dfd4892371c..52a9e8798d4 100644 --- a/lib/gitlab/database/load_balancing/service_discovery.rb +++ b/lib/gitlab/database/load_balancing/service_discovery.rb @@ -48,6 +48,7 @@ module Gitlab # forcefully disconnected. # use_tcp - Use TCP instaed of UDP to look up resources # load_balancer - The load balancer instance to use + # rubocop:disable Metrics/ParameterLists def initialize( load_balancer, nameserver:, @@ -56,7 +57,8 @@ module Gitlab record_type: 'A', interval: 60, disconnect_timeout: 120, - use_tcp: false + use_tcp: false, + max_replica_pools: nil ) @nameserver = nameserver @port = port @@ -66,7 +68,9 @@ module Gitlab @disconnect_timeout = disconnect_timeout @use_tcp = use_tcp @load_balancer = load_balancer + @max_replica_pools = max_replica_pools end + # rubocop:enable Metrics/ParameterLists def start Thread.new do @@ -170,6 +174,8 @@ module Gitlab addresses_from_srv_record(response) end + addresses = sampler.sample(addresses) + raise EmptyDnsResponse if addresses.empty? # Addresses are sorted so we can directly compare the old and new @@ -221,6 +227,11 @@ module Gitlab def addresses_from_a_record(resources) resources.map { |r| Address.new(r.address.to_s) } end + + def sampler + @sampler ||= ::Gitlab::Database::LoadBalancing::ServiceDiscovery::Sampler + .new(max_replica_pools: @max_replica_pools) + end end end end |