class Specinfra::HostInventory::Memory

Public Instance Methods

get() click to toggle source
# File lib/specinfra/host_inventory/memory.rb, line 4
def get
  cmd = backend.command.get(:get_inventory_memory)
  ret = backend.run_command(cmd)
  if ret.exit_status == 0
    parse(ret.stdout)
  else
    nil
  end
end
parse(ret) click to toggle source
# File lib/specinfra/host_inventory/memory.rb, line 13
def parse(ret)
  memory = { 'swap' => {} }
  ret.each_line do |line|
    case line
    when /^SwapCached:\s+(\d+) (.+)$/
      memory['swap']['cached'] = "#{$1}#{$2}"
    when /^SwapTotal:\s+(\d+) (.+)$/
      memory['swap']['total'] = "#{$1}#{$2}"
    when /^SwapFree:\s+(\d+) (.+)$/
      memory['swap']['free'] = "#{$1}#{$2}"
    when /^MemTotal:\s+(\d+) (.+)$/
      memory['total'] = "#{$1}#{$2}"
    when /^MemFree:\s+(\d+) (.+)$/
      memory['free'] = "#{$1}#{$2}"
    when /^Buffers:\s+(\d+) (.+)$/
      memory['buffers'] = "#{$1}#{$2}"
    when /^Cached:\s+(\d+) (.+)$/
      memory['cached'] = "#{$1}#{$2}"
    when /^Active:\s+(\d+) (.+)$/
      memory['active'] = "#{$1}#{$2}"
    when /^Inactive:\s+(\d+) (.+)$/
      memory['inactive'] = "#{$1}#{$2}"
    when /^Dirty:\s+(\d+) (.+)$/
      memory['dirty'] = "#{$1}#{$2}"
    when /^Writeback:\s+(\d+) (.+)$/
      memory['writeback'] = "#{$1}#{$2}"
    when /^AnonPages:\s+(\d+) (.+)$/
      memory['anon_pages'] = "#{$1}#{$2}"
    when /^Mapped:\s+(\d+) (.+)$/
      memory['mapped'] = "#{$1}#{$2}"
    when /^Slab:\s+(\d+) (.+)$/
      memory['slab'] = "#{$1}#{$2}"
    when /^SReclaimable:\s+(\d+) (.+)$/
      memory['slab_reclaimable'] = "#{$1}#{$2}"
    when /^SUnreclaim:\s+(\d+) (.+)$/
      memory['slab_unreclaim'] = "#{$1}#{$2}"
    when /^PageTables:\s+(\d+) (.+)$/
      memory['page_tables'] = "#{$1}#{$2}"
    when /^NFS_Unstable:\s+(\d+) (.+)$/
      memory['nfs_unstable'] = "#{$1}#{$2}"
    when /^Bounce:\s+(\d+) (.+)$/
      memory['bounce'] = "#{$1}#{$2}"
    when /^CommitLimit:\s+(\d+) (.+)$/
      memory['commit_limit'] = "#{$1}#{$2}"
    when /^Committed_AS:\s+(\d+) (.+)$/
      memory['committed_as'] = "#{$1}#{$2}"
    when /^VmallocTotal:\s+(\d+) (.+)$/
      memory['vmalloc_total'] = "#{$1}#{$2}"
    when /^VmallocUsed:\s+(\d+) (.+)$/
      memory['vmalloc_used'] = "#{$1}#{$2}"
    when /^VmallocChunk:\s+(\d+) (.+)$/
      memory['vmalloc_chunk'] = "#{$1}#{$2}"
    when /^AnonHugePages:\s+(\d+) (.+)$/
      memory['annon_huge_pages'] = "#{$1}#{$2}"
    when /^HugePages_Total:\s+(\d+)$/
      memory['huge_pages_total'] = "#{$1}"
    when /^HugePages_Free:\s+(\d+)$/
      memory['huge_pages_free'] = "#{$1}"
    when /^HugePages_Rsvd:\s+(\d+)$/
      memory['huge_pages_rsvd'] = "#{$1}"
    when /^HugePages_Surp:\s+(\d+)$/
      memory['huge_pages_surp'] = "#{$1}"
    when /^Hugepagesize:\s+(\d+) (.+)$/
      memory['huge_page_size'] = "#{$1}#{$2}"
    end
  end
  memory
end