+ api_calls_error.graph_title HTTP errors
+ api_calls_error.graph_vlabel Number of errors per ${graph_period}
+ api_calls_error.graph_category api
+ api_calls_error.http500.sum <%= Chef::Munin.expand "%%.openstreetmap:api_calls_status.http500", @frontends %>
+ api_calls_error.http500.label 500 Internal Server Error
+ api_calls_error.http502.sum <%= Chef::Munin.expand "%%.openstreetmap:api_calls_status.http502", @frontends %>
+ api_calls_error.http502.label 502 Bad Gateway
+ api_calls_error.http503.sum <%= Chef::Munin.expand "%%.openstreetmap:api_calls_status.http503", @frontends %>
+ api_calls_error.http503.label 503 Service Unavailable
+ api_calls_error.http509.sum <%= Chef::Munin.expand "%%.openstreetmap:api_calls_status.http509", @frontends %>
+ api_calls_error.http509.label 509 Bandwidth Limit Exceeded