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Merge branch 'zj-controller-action-gitaly-metrics' into 'master'

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Add controller#action metrics on Gitaly

See merge request gitlab-org/gitlab-ce!15244
This commit is contained in:
Rémy Coutable 2017-11-28 15:10:47 +00:00
commit 52f5259ae4
1 changed files with 42 additions and 7 deletions
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49
lib/gitlab/gitaly_client.rb
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@ -31,14 +31,38 @@ module Gitlab
CLIENT_NAME = (Sidekiq.server? ? 'gitlab-sidekiq' : 'gitlab-web').freeze
MUTEX = Mutex.new
private_constant :MUTEX
METRICS_MUTEX = Mutex.new
private_constant :MUTEX, :METRICS_MUTEX
class << self
attr_accessor :query_time, :migrate_histogram
attr_accessor :query_time
end
self.query_time = 0
self.migrate_histogram = Gitlab::Metrics.histogram(:gitaly_migrate_call_duration, "Gitaly migration call execution timings")
def self.migrate_histogram
@migrate_histogram ||=
METRICS_MUTEX.synchronize do
# If a thread was blocked on the mutex, the value was set already
return @migrate_histogram if @migrate_histogram
Gitlab::Metrics.histogram(:gitaly_migrate_call_duration_seconds,
"Gitaly migration call execution timings",
gitaly_enabled: nil, feature: nil)
end
end
def self.gitaly_call_histogram
@gitaly_call_histogram ||=
METRICS_MUTEX.synchronize do
# If a thread was blocked on the mutex, the value was set already
return @gitaly_call_histogram if @gitaly_call_histogram
Gitlab::Metrics.histogram(:gitaly_controller_action_duration_seconds,
"Gitaly endpoint histogram by controller and action combination",
Gitlab::Metrics::Transaction::BASE_LABELS.merge(gitaly_service: nil, rpc: nil))
end
end
def self.stub(name, storage)
MUTEX.synchronize do
@ -94,7 +118,7 @@ module Gitlab
# end
#
def self.call(storage, service, rpc, request, remote_storage: nil)
start = Process.clock_gettime(Process::CLOCK_MONOTONIC)
start = Gitlab::Metrics::System.monotonic_time
enforce_gitaly_request_limits(:call)
kwargs = request_kwargs(storage, remote_storage: remote_storage)
@ -102,9 +126,20 @@ module Gitlab
stub(service, storage).__send__(rpc, request, kwargs) # rubocop:disable GitlabSecurity/PublicSend
ensure
self.query_time += Process.clock_gettime(Process::CLOCK_MONOTONIC) - start
duration = Gitlab::Metrics::System.monotonic_time - start
# Keep track, seperately, for the performance bar
self.query_time += duration
gitaly_call_histogram.observe(
current_transaction_labels.merge(gitaly_service: service.to_s, rpc: rpc.to_s),
duration)
end
def self.current_transaction_labels
Gitlab::Metrics::Transaction.current&.labels || {}
end
private_class_method :current_transaction_labels
def self.request_kwargs(storage, remote_storage: nil)
encoded_token = Base64.strict_encode64(token(storage).to_s)
metadata = {
@ -178,10 +213,10 @@ module Gitlab
feature_stack = Thread.current[:gitaly_feature_stack] ||= []
feature_stack.unshift(feature)
begin
start = Process.clock_gettime(Process::CLOCK_MONOTONIC)
start = Gitlab::Metrics::System.monotonic_time
yield is_enabled
ensure
total_time = Process.clock_gettime(Process::CLOCK_MONOTONIC) - start
total_time = Gitlab::Metrics::System.monotonic_time - start
migrate_histogram.observe({ gitaly_enabled: is_enabled, feature: feature }, total_time)
feature_stack.shift
Thread.current[:gitaly_feature_stack] = nil if feature_stack.empty?