Class: WatchmonkeyCli::Checkers::UnixDf

Inherits:
WatchmonkeyCli::Checker show all
Defined in:
lib/watchmonkey_cli/checkers/unix_df.rb

Instance Attribute Summary

Attributes inherited from WatchmonkeyCli::Checker

#app

Instance Method Summary collapse

Methods inherited from WatchmonkeyCli::Checker

#_tolog, checker_name, checker_name=, #debug, descendants, #error, #info, inherited, #init, #initialize, #local, #rsafe, #safe, #spawn_sub, #start, #stop

Constructor Details

This class inherits a constructor from WatchmonkeyCli::Checker

Instance Method Details

#_parse_response(res) ⇒ Object 



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# File 'lib/watchmonkey_cli/checkers/unix_df.rb', line 23

def _parse_response res
  [].tap do |r|
    res.strip.split("\n")[1..-1].each do |device|
      chunks = device.split(" ")
      r << {
        filesystem: chunks[0],
        size: chunks[1].to_i,
        used: chunks[2].to_i,
        available: chunks[3].to_i,
        use: chunks[4].to_i,
        free: 100-chunks[4].to_i,
        mountpoint: chunks[5],
      }
    end
  end
end

#check!(result, host, opts = {}) ⇒ Object 



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# File 'lib/watchmonkey_cli/checkers/unix_df.rb', line 13

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

  result.data.each do |fs|
    result.error! "disk space on `#{fs[:mountpoint] || "unmounted"}' (#{fs[:filesystem]}) is low (limit is min. #{opts[:min_percent]}%, got #{fs[:free]}%)" if fs[:free] < opts[:min_percent]
  end if opts[:min_percent]
end

#enqueue(host, opts = {}) ⇒ Object 



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# File 'lib/watchmonkey_cli/checkers/unix_df.rb', line 6

def enqueue host, opts = {}
  opts = { min_percent: 25 }.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