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# frozen_string_literal: true
module Metrics::Dashboard::PrometheusApiProxy
extend ActiveSupport::Concern
include RenderServiceResults
included do
before_action :authorize_read_prometheus!, only: [:prometheus_proxy]
end
def prometheus_proxy
variable_substitution_result =
proxy_variable_substitution_service.new(proxyable, permit_params).execute
return error_response(variable_substitution_result) if variable_substitution_result[:status] == :error
prometheus_result = ::Prometheus::ProxyService.new(
proxyable,
proxy_method,
proxy_path,
variable_substitution_result[:params]
).execute
return continue_polling_response if prometheus_result.nil?
return error_response(prometheus_result) if prometheus_result[:status] == :error
success_response(prometheus_result)
end
private
def proxyable
raise NotImplementedError, "#{self.class} must implement method: #{__callee__}"
end
def proxy_variable_substitution_service
raise NotImplementedError, "#{self.class} must implement method: #{__callee__}"
end
def permit_params
params.permit!
end
def proxy_method
request.method
end
def proxy_path
params[:proxy_path]
end
end
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