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module Gitlab
module Metrics
# Class for storing details of a single metric (label, value, etc).
class Metric
attr_reader :series, :values, :tags, :created_at
# series - The name of the series (as a String) to store the metric in.
# values - A Hash containing the values to store.
# tags - A Hash containing extra tags to add to the metrics.
def initialize(series, values, tags = {})
@values = values
@series = series
@tags = tags
@created_at = Time.now.utc
end
# Returns a Hash in a format that can be directly written to InfluxDB.
def to_hash
{
series: @series,
tags: @tags.merge(
hostname: Metrics.hostname,
ruby_engine: RUBY_ENGINE,
ruby_version: RUBY_VERSION,
gitlab_version: Gitlab::VERSION,
process_type: Sidekiq.server? ? 'sidekiq' : 'rails'
),
values: @values,
timestamp: @created_at.to_i * 1_000_000_000
}
end
end
end
end
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