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module Gitlab
module Metrics
RAILS_ROOT = Rails.root.to_s
METRICS_ROOT = Rails.root.join('lib', 'gitlab', 'metrics').to_s
PATH_REGEX = /^#{RAILS_ROOT}\/?/
def self.pool_size
Settings.metrics['pool_size'] || 16
end
def self.timeout
Settings.metrics['timeout'] || 10
end
def self.enabled?
!!Settings.metrics['enabled']
end
def self.method_call_threshold
Settings.metrics['method_call_threshold'] || 10
end
def self.pool
@pool
end
def self.hostname
@hostname
end
# Returns a relative path and line number based on the last application call
# frame.
def self.last_relative_application_frame
frame = caller_locations.find do |l|
l.path.start_with?(RAILS_ROOT) && !l.path.start_with?(METRICS_ROOT)
end
if frame
return frame.path.sub(PATH_REGEX, ''), frame.lineno
else
return nil, nil
end
end
@hostname = Socket.gethostname
# When enabled this should be set before being used as the usual pattern
# "@foo ||= bar" is _not_ thread-safe.
if enabled?
@pool = ConnectionPool.new(size: pool_size, timeout: timeout) do
db = Settings.metrics['database']
user = Settings.metrics['username']
pw = Settings.metrics['password']
InfluxDB::Client.new(db, username: user, password: pw)
end
end
end
end
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