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Contents
# frozen-string-literal: true
#
class Roda
module RodaPlugins
# The heartbeat handles heartbeat/status requests. If a request for
# the heartbeat path comes in, a 200 response with a
# text/plain Content-Type and a body of "OK" will be returned.
# The default heartbeat path is "/heartbeat", so to use that:
#
# plugin :heartbeat
#
# You can also specify a custom heartbeat path:
#
# plugin :heartbeat, :path=>'/status'
module Heartbeat
OPTS = {}.freeze
PATH_INFO = 'PATH_INFO'.freeze
HEARTBEAT_RESPONSE = [200, {'Content-Type'=>'text/plain'}.freeze, ['OK'.freeze].freeze].freeze
# Set the heartbeat path to the given path.
def self.configure(app, opts=OPTS)
app.opts[:heartbeat_path] = (opts[:path] || app.opts[:heartbeat_path] || "/heartbeat").dup.freeze
end
module InstanceMethods
# If the request is for a heartbeat path, return the heartbeat response.
def call
if env[PATH_INFO] == opts[:heartbeat_path]
response = HEARTBEAT_RESPONSE.dup
response[1] = Hash[response[1]]
response
else
super
end
end
end
end
register_plugin(:heartbeat, Heartbeat)
end
end
Version data entries
17 entries across 17 versions & 1 rubygems