Class: SimpleBackup::Utils::Disk

Inherits:
Object
  • Object
show all
Defined in:
lib/simple_backup/utils/disk_usage.rb

Constant Summary collapse

@@high_usage_treshold = 
0.9
@@paths = 
[]

Class Method Summary collapse

Class Method Details

.add_path(path) ⇒ Object 



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# File 'lib/simple_backup/utils/disk_usage.rb', line 17

def self.add_path(path)
  @@paths << path unless @@paths.include?(path)
end

.high_usage_treshold ⇒ Object 



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# File 'lib/simple_backup/utils/disk_usage.rb', line 13

def self.high_usage_treshold
  @@high_usage_treshold
end

.high_usage_treshold=(value) ⇒ Object 



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# File 'lib/simple_backup/utils/disk_usage.rb', line 7

def self.high_usage_treshold=(value)
  @@high_usage_treshold = value.to_f

  raise ArgumentError.new "Backuper::Utils::Disk::high_usage_treshold must be a float greater than zero" if @@high_usage_treshold <= 0.0
end

.usage ⇒ Object 



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# File 'lib/simple_backup/utils/disk_usage.rb', line 21

def self.usage
  df = `df -m #{@@paths.join(' ')} 2>/dev/null`.split("\n")
  df.shift

  max_percent = 0.0;
  df.map! do |row|
    row = row.split(' ')

    percent_usage = (row[4].gsub('%', '').to_f / 100).round(2)
    row = {
      mount: row[5],
      fs: row[0],
      size: row[1],
      used: row[2],
      available: row[3],
      percent: percent_usage,
      high_usage_exceeded: percent_usage >= @@high_usage_treshold
    }

    max_percent = row[:percent] if row[:percent] > max_percent

    row
  end

  {
    mounts: df.uniq,
    high_usage_exceeded: max_percent >= @@high_usage_treshold,
    high_usage: max_percent
  }
end