Class: ServerStatus::StatusCommand

Inherits:
Object
  • Object
show all
Defined in:
lib/server-status/status_command.rb

Constant Summary collapse

SEPARATOR = 
'###'

Instance Method Summary collapse

Constructor Details

#initialize(options) ⇒ StatusCommand

Returns a new instance of StatusCommand.



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# File 'lib/server-status/status_command.rb', line 6

def initialize(options)
  @options = options
end

Instance Method Details

#requested_options ⇒ Object 



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# File 'lib/server-status/status_command.rb', line 10

def requested_options
  @requested_options ||= @options.__hash__.select { |k,v| k if v }.keys
end

#to_script ⇒ Object 



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# File 'lib/server-status/status_command.rb', line 14

def to_script
  parts = []

  if @options.os
    parts << "lsb_release -d | cut -f2"
  end

  if @options.uptime
    parts << "cat /proc/uptime | cut -d\" \" -f1"
  end

  if @options.load
    parts << "cat /proc/loadavg | cut -d\" \" -f -3"
  end

  if @options.disk
    parts << "df -h | awk '/\\/$/' | sed 's/ \\+/ /g' | cut -d\" \" -f5"
  end

  if @options.inode
    parts << "df -hi | awk '/\\/$/' | sed 's/ \\+/ /g' | cut -d\" \" -f5"
  end

  if @options.memory
    parts << "cat /proc/meminfo | grep -P '^(MemTotal|MemAvailable|MemFree|Cached|Buffers):'"
  end

  if @options.clock_drift
    parts << "ntpdate -q pool.ntp.org | head -1 | cut -d \" \" -f 6 | sed \"s/.$//\""
  end

  if @options.pkg_updates
    parts << "cat /etc/motd || cat /var/run/motd.dynamic || true"
  end

  if @options.reboot_required
    parts << "if [ -f /var/run/reboot-required ]; then echo 1 ; fi"
  end

  parts.join("\necho '#{SEPARATOR}'\n")
end