如何运行Prometheus Ruby客户端

Question

我想运行Prometheus Ruby客户端来收集统计值并保存在Prometheus数据库中。

我在这里跟着指示：Rack中间件 https://github.com/prometheus/client_ruby#rack-middleware

我已经安装了两种宝石，prometheus和prometheus-client。

的exporter.rb（https://github.com/prometheus/client_ruby/blob/master/lib/prometheus/middleware/exporter.rb）和collector.rb（https://github.com/prometheus/client_ruby/blob/master/lib/prometheus/middleware/collector.rb）保存在的位置：prometheus/middleware

我在本地保存的config.ru（https://github.com/prometheus/client_ruby#rack-middleware）夹。

然后，我已经开始与机架Web服务器：rackup -d config.ru -I /home/sven/.rbenv/versions/2.3.3/lib/ruby/gems/2.3.0/gems/prometheus-client-0.6.0/lib -I /home/sven/.rbenv/versions/2.3.3/lib/ruby/gems/2.3.0/gems/quantile-0.2.0/lib

的-I包括语句是必须让找到所需的文件。

然后我得到这个错误：

/home/sven/.rbenv/versions/2.3.3/lib/ruby/gems/2.3.0/gems/prometheus-client-0.6.0/lib -I /home/sven/.rbenv/versions/2.3.3/lib/ruby/gems/2.3.0/gems/quantile-0.2.0/lib 
nil 
Exception `ArgumentError' at /home/sven/.rbenv/versions/2.3.3/lib/ruby/gems/2.3.0/gems/rack-1.5.5/lib/rack/builder.rb:86 - wrong number of arguments (given 2, expected 1) 
Exception `ArgumentError' at /home/sven/.rbenv/versions/2.3.3/lib/ruby/gems/2.3.0/gems/rack-1.5.5/lib/rack/builder.rb:49 - wrong number of arguments (given 2, expected 1) 
Exception `ArgumentError' at /home/sven/.rbenv/versions/2.3.3/bin/rackup:22 - wrong number of arguments (given 2, expected 1) 
/home/sven/.rbenv/versions/2.3.3/lib/ruby/gems/2.3.0/gems/rack-1.5.5/lib/rack/deflater.rb:20:in `initialize': wrong number of arguments (given 2, expected 1) (ArgumentError) 
    from /home/sven/.rbenv/versions/2.3.3/lib/ruby/gems/2.3.0/gems/rack-1.5.5/lib/rack/builder.rb:86:in `new' 
    from /home/sven/.rbenv/versions/2.3.3/lib/ruby/gems/2.3.0/gems/rack-1.5.5/lib/rack/builder.rb:86:in `block in use' 
    from /home/sven/.rbenv/versions/2.3.3/lib/ruby/gems/2.3.0/gems/rack-1.5.5/lib/rack/builder.rb:134:in `block in to_app' 
    from /home/sven/.rbenv/versions/2.3.3/lib/ruby/gems/2.3.0/gems/rack-1.5.5/lib/rack/builder.rb:134:in `each' 
    from /home/sven/.rbenv/versions/2.3.3/lib/ruby/gems/2.3.0/gems/rack-1.5.5/lib/rack/builder.rb:134:in `inject' 
    from /home/sven/.rbenv/versions/2.3.3/lib/ruby/gems/2.3.0/gems/rack-1.5.5/lib/rack/builder.rb:134:in `to_app' 
    from /home/sven/StarPerfMonitor_v2.0.0/config.ru:13:in `<main>' 
    from /home/sven/.rbenv/versions/2.3.3/lib/ruby/gems/2.3.0/gems/rack-1.5.5/lib/rack/builder.rb:49:in `eval' 
    from /home/sven/.rbenv/versions/2.3.3/lib/ruby/gems/2.3.0/gems/rack-1.5.5/lib/rack/builder.rb:49:in `new_from_string' 
    from /home/sven/.rbenv/versions/2.3.3/lib/ruby/gems/2.3.0/gems/rack-1.5.5/lib/rack/builder.rb:40:in `parse_file' 
    from /home/sven/.rbenv/versions/2.3.3/lib/ruby/gems/2.3.0/gems/rack-1.5.5/lib/rack/server.rb:277:in `build_app_and_options_from_config' 
    from /home/sven/.rbenv/versions/2.3.3/lib/ruby/gems/2.3.0/gems/rack-1.5.5/lib/rack/server.rb:199:in `app' 
    from /home/sven/.rbenv/versions/2.3.3/lib/ruby/gems/2.3.0/gems/rack-1.5.5/lib/rack/server.rb:314:in `wrapped_app' 
    from /home/sven/.rbenv/versions/2.3.3/lib/ruby/gems/2.3.0/gems/rack-1.5.5/lib/rack/server.rb:242:in `start' 
    from /home/sven/.rbenv/versions/2.3.3/lib/ruby/gems/2.3.0/gems/rack-1.5.5/lib/rack/server.rb:141:in `start' 
    from /home/sven/.rbenv/versions/2.3.3/lib/ruby/gems/2.3.0/gems/rack-1.5.5/bin/rackup:4:in `<top (required)>' 
    from /home/sven/.rbenv/versions/2.3.3/bin/rackup:22:in `load' 
    from /home/sven/.rbenv/versions/2.3.3/bin/rackup:22:in `<main>' 

Answer 1

看来你正在使用client_ruby 0.6.0而Prometheus::Middleware仅供client_ruby 0.7.0可用。

检查https://github.com/prometheus/client_ruby/tree/v0.6.0

Answer 2

这个问题太棘手了，我决定切换到InfluxDB。 我能够在几分钟内运行Ruby客户端。对我来说，这似乎比普罗米修斯更好。抱歉。