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Versions: 18
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Contents
require 'ddtrace/ext/http'
require 'ddtrace/contrib/patcher'
require 'ddtrace/contrib/action_view/events'
require 'ddtrace/contrib/action_view/ext'
require 'ddtrace/contrib/action_view/instrumentation/partial_renderer'
require 'ddtrace/contrib/action_view/instrumentation/template_renderer'
require 'ddtrace/contrib/action_view/utils'
module Datadog
module Contrib
module ActionView
# Patcher enables patching of ActionView module.
module Patcher
include Contrib::Patcher
module_function
def target_version
Integration.version
end
def patch
patch_renderer
end
def patch_renderer
if target_version >= Gem::Version.new('4.0.0')
Events.subscribe!
elsif defined?(::ActionView::TemplateRenderer) && defined?(::ActionView::PartialRenderer)
# Rails < 4 compatibility:
# Rendering events are not nested in this version, creating
# render_partial spans outside of the parent render_template span.
# We fall back to manual patching instead.
::ActionView::TemplateRenderer.send(:prepend, Instrumentation::TemplateRenderer::RailsLessThan4)
::ActionView::PartialRenderer.send(:prepend, Instrumentation::PartialRenderer::RailsLessThan4)
elsif defined?(::ActionView::Rendering) && defined?(::ActionView::Partials::PartialRenderer)
# NOTE: Rails < 3.1 compatibility: different classes are used
::ActionView::Rendering.send(:prepend, Instrumentation::TemplateRenderer::Rails30)
::ActionView::Partials::PartialRenderer.send(:prepend, Instrumentation::PartialRenderer::RailsLessThan4)
else
Datadog.logger.debug('Expected Template/Partial classes not found; template rendering disabled')
end
end
end
end
end
end
Version data entries
18 entries across 18 versions & 2 rubygems