Module: Dockage::Docker::Parse

Defined in:
lib/dockage/docker/parse.rb

Class Method Summary collapse

Class Method Details

.parse_docker_ps(string) ⇒ Object 



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# File 'lib/dockage/docker/parse.rb', line 5

def parse_docker_ps(string)
  header = string.shift

  spaces = column_width = 0
  keys = {}
  header.chars.each_with_index do |char, i|
    if i == (header.size - 1) || (char !~ /\s/ && spaces > 1)
      keys.merge!(slice_column_from_string(header, i, column_width))
      column_width = 0
    end
    spaces = char =~ /\s/ ? spaces + 1 : 0
    column_width += 1
  end

  string.map do |container_string|
    container               = Hash[keys.map { |k, v| [k, container_string[v[:start]..v[:stop]].strip] }]
    container[:names]       = container[:names].to_s.split(',')
    container[:name]        = container[:names].reject{ |v| v.include?('/') }.first
    container[:linked_with] = container[:names].map{ |name| name.split('/')[0] }.compact
    container[:running]     = container[:status].downcase
                                                .include?('up') ? true : false
    container
  end
end

.slice_column_from_string(string, index, column_width) ⇒ Object 



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# File 'lib/dockage/docker/parse.rb', line 30

def slice_column_from_string(string, index, column_width)
  start = index - column_width
  stop = index < string.length - 1 ? (index - 1) : -1
  header_key = string[start..stop].strip
                                  .downcase
                                  .gsub(/\s/, '_')
                                  .to_sym

  { header_key => { start: start, stop: stop } }
end