Sha256: 06587ca824fc14f30d057ecff3c7d9eae6a25141fc815185048d85f24d3c0ef3
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Size: 1.04 KB
Versions: 23
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Stored size: 1.04 KB
Contents
class FnordMetric::MetricAPI
def initialize(params)
@params = params.to_options
@metric = FnordMetric.metrics.to_options[params[:name].to_sym]
end
def render
return {:error => "metric not found"}.to_json unless @metric
data = if @params[:at] && @params[:at] =~ /^[0-9]+$/
{ :value => @metric.at(Time.at(@params[:at].to_i)) }
elsif @params[:at] && @params[:at] =~ /^([0-9]+)-([0-9]+)$/ && @params[:tick]
{ :values => tick_data }
elsif @params[:at] && @params[:at] =~ /^([0-9]+)-([0-9]+)$/
{ :value => range_data }
else
{ :value => @metric.at(Time.now) }
end
data.to_json
end
private
def range_data
start_ts, end_ts = @params[:at].split("-").map(&:to_i)
@metric.at(start_ts..end_ts)
end
def tick_data(tick_length=@params[:tick].to_i)
start_ts, end_ts = @params[:at].split("-").map(&:to_i)
ticks = (start_ts..end_ts).step(tick_length)
ticks.map do |tick|
[tick, @metric.at(@params[:delta] ? (tick..tick+tick_length) : tick)]
end
end
end
Version data entries
23 entries across 23 versions & 1 rubygems