Contents

module WatchmonkeyCli
  module Checkers
    class UnixLoad < Checker
      self.checker_name = "unix_load"

      def enqueue host, opts = {}
        opts = { limits: [4, 2, 1.5] }.merge(opts)
        host = app.fetch_connection(:loopback, :local) if !host || host == :local
        host = app.fetch_connection(:ssh, host) if host.is_a?(Symbol)
        app.enqueue(self, host, opts)
      end

      def check! result, host, opts = {}
        result.command = "uptime"
        result.result = host.exec(result.command)
        ld = result.data = _parse_response(result.result)

        emsg = []
        emsg << "load1 is to high (limit1 is #{opts[:limits][0]}, load1 is #{ld[0]})" if ld[0] > opts[:limits][0]
        emsg << "load5 is to high (limit5 is #{opts[:limits][1]}, load5 is #{ld[1]})" if ld[1] > opts[:limits][1]
        emsg << "load15 is to high (limit15 is #{opts[:limits][2]}, load15 is #{ld[2]})" if ld[2] > opts[:limits][2]
        result.error!(emsg.join("\n\t")) if emsg.any?

        # plotter support
        app.fire :plotter_push, self, host, {
          load1: ld[0], limit1: opts[:limits][0],
          load5: ld[1], limit5: opts[:limits][1],
          load15: ld[2], limit15: opts[:limits][2],
        }
      end

      def _parse_response res
        res.match(/load average(?:s)?: (?:([\d\.]+), ([\d\.]+), ([\d\.]+))|(?:([\d,]+) ([\d\,]+) ([\d\,]+))/i)[1..-1].reject(&:blank?).map{|v| v.gsub(",", ".").to_f }
      end
    end
  end
end

Version data entries

9 entries across 9 versions & 1 rubygems

Version	Path
watchmonkey_cli-1.8.5	lib/watchmonkey_cli/checkers/unix_load.rb
watchmonkey_cli-1.8.4	lib/watchmonkey_cli/checkers/unix_load.rb
watchmonkey_cli-1.8.3	lib/watchmonkey_cli/checkers/unix_load.rb
watchmonkey_cli-1.8.2	lib/watchmonkey_cli/checkers/unix_load.rb
watchmonkey_cli-1.8.1	lib/watchmonkey_cli/checkers/unix_load.rb
watchmonkey_cli-1.8	lib/watchmonkey_cli/checkers/unix_load.rb
watchmonkey_cli-1.7.1	lib/watchmonkey_cli/checkers/unix_load.rb
watchmonkey_cli-1.7	lib/watchmonkey_cli/checkers/unix_load.rb
watchmonkey_cli-1.6	lib/watchmonkey_cli/checkers/unix_load.rb