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12 lines
537 B
Ruby
12 lines
537 B
Ruby
# in config/initializers/prometheus.rb
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if Rails.env != "test" && ENV['PROMETHEUS_EXPORTER_ENABLED'].to_s == 'true'
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require 'prometheus_exporter/middleware'
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require 'prometheus_exporter/instrumentation'
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# This reports stats per request like HTTP status and timings
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Rails.application.middleware.unshift PrometheusExporter::Middleware
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# this reports basic process stats like RSS and GC info, type master
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# means it is instrumenting the master process
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PrometheusExporter::Instrumentation::Process.start(type: "master")
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end
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