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author | GitLab Bot <gitlab-bot@gitlab.com> | 2020-09-19 04:45:44 +0300 |
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committer | GitLab Bot <gitlab-bot@gitlab.com> | 2020-09-19 04:45:44 +0300 |
commit | 85dc423f7090da0a52c73eb66faf22ddb20efff9 (patch) | |
tree | 9160f299afd8c80c038f08e1545be119f5e3f1e1 /lib/gitlab/metrics/samplers/action_cable_sampler.rb | |
parent | 15c2c8c66dbe422588e5411eee7e68f1fa440bb8 (diff) |
Add latest changes from gitlab-org/gitlab@13-4-stable-ee
Diffstat (limited to 'lib/gitlab/metrics/samplers/action_cable_sampler.rb')
-rw-r--r-- | lib/gitlab/metrics/samplers/action_cable_sampler.rb | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/lib/gitlab/metrics/samplers/action_cable_sampler.rb b/lib/gitlab/metrics/samplers/action_cable_sampler.rb new file mode 100644 index 00000000000..9f4979fa673 --- /dev/null +++ b/lib/gitlab/metrics/samplers/action_cable_sampler.rb @@ -0,0 +1,63 @@ +# frozen_string_literal: true + +module Gitlab + module Metrics + module Samplers + class ActionCableSampler < BaseSampler + SAMPLING_INTERVAL_SECONDS = 5 + + def initialize(interval = SAMPLING_INTERVAL_SECONDS, action_cable: ::ActionCable.server) + super(interval) + @action_cable = action_cable + end + + def metrics + @metrics ||= { + active_connections: ::Gitlab::Metrics.gauge( + :action_cable_active_connections, 'Number of ActionCable WS clients currently connected' + ), + pool_min_size: ::Gitlab::Metrics.gauge( + :action_cable_pool_min_size, 'Minimum number of worker threads in ActionCable thread pool' + ), + pool_max_size: ::Gitlab::Metrics.gauge( + :action_cable_pool_max_size, 'Maximum number of worker threads in ActionCable thread pool' + ), + pool_current_size: ::Gitlab::Metrics.gauge( + :action_cable_pool_current_size, 'Current number of worker threads in ActionCable thread pool' + ), + pool_largest_size: ::Gitlab::Metrics.gauge( + :action_cable_pool_largest_size, 'Largest number of worker threads observed so far in ActionCable thread pool' + ), + pool_completed_tasks: ::Gitlab::Metrics.gauge( + :action_cable_pool_tasks_total, 'Total number of tasks executed in ActionCable thread pool' + ), + pool_pending_tasks: ::Gitlab::Metrics.gauge( + :action_cable_pool_pending_tasks, 'Number of tasks waiting to be executed in ActionCable thread pool' + ) + } + end + + def sample + pool = @action_cable.worker_pool.executor + labels = { + server_mode: server_mode + } + + metrics[:active_connections].set(labels, @action_cable.connections.size) + metrics[:pool_min_size].set(labels, pool.min_length) + metrics[:pool_max_size].set(labels, pool.max_length) + metrics[:pool_current_size].set(labels, pool.length) + metrics[:pool_largest_size].set(labels, pool.largest_length) + metrics[:pool_completed_tasks].set(labels, pool.completed_task_count) + metrics[:pool_pending_tasks].set(labels, pool.queue_length) + end + + private + + def server_mode + Gitlab::ActionCable::Config.in_app? ? 'in-app' : 'standalone' + end + end + end + end +end |