Class: Etna::Filesystem::AsperaCliFilesystem

Inherits:
Etna::Filesystem show all
Includes:
WithPipeConsumer
Defined in:
lib/etna/filesystem.rb

Direct Known Subclasses

GeneAsperaCliFilesystem

Instance Method Summary collapse

Methods included from WithPipeConsumer

#mkio

Methods inherited from Etna::Filesystem

#ls, #stat

Constructor Details

#initialize(ascli_bin:, ascp_bin:, host:, username:, password: nil, key_file: nil, port: 33001) ⇒ AsperaCliFilesystem

Returns a new instance of AsperaCliFilesystem.



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# File 'lib/etna/filesystem.rb', line 104

def initialize(ascli_bin:, ascp_bin:, host:, username:, password: nil, key_file: nil, port: 33001)
  @ascli_bin = ascli_bin
  @ascp_bin = ascp_bin
  @username = username
  @password = password
  @key_file = key_file
  @host = host
  @port = port

  @config_file = File.join(Dir.mktmpdir, "config.yml")
  config = {}
  config["config"] = {"version" => `#{ascli_bin} --version`.chomp}
  config["default"] = {"server" => "clifilesystem"}
  server_config = config["clifilesystem"] = {
      "url" => "ssh://#{host}:#{port}",
      "username" => username,
      "ssh_options" => {append_all_supported_algorithms: true},
  }

  if password
    server_config["password"] = password
  elsif key_file
    server_config["ssh_keys"] = key_file
  else
    raise "One of password or key_file must be provided"
  end

  ::File.open(@config_file, "w") do |file|
    file.write(config.to_yaml)
  end
end

Instance Method Details

#exist?(src) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/etna/filesystem.rb', line 168

def exist?(src)
  !run_ascli_cmd("ls", src).nil?
end

#mkcommand(rd, wd, file, opts, size_hint: nil) ⇒ Object 



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# File 'lib/etna/filesystem.rb', line 176

def mkcommand(rd, wd, file, opts, size_hint: nil)
  env = {}
  cmd = [env, @ascp_bin]

  if @password
    env['ASPERA_SCP_PASS'] = @password
  else
    cmd << "-i"
    cmd << @key_file
  end

  cmd << "-P"
  cmd << @port.to_s

  remote_path = file
  # https://download.asperasoft.com/download/docs/entsrv/3.9.1/es_admin_linux/webhelp/index.html#dita/stdio_2.html
  local_path = "stdio://"
  if size_hint
    local_path += "/?#{size_hint}"
  end

  if opts.include?('r')
    cmd << '--mode=recv'
    cmd << "--host=#{@host}"
    cmd << "--user=#{@username}"
    cmd << remote_path
    cmd << local_path

    cmd << {out: wd}
  elsif opts.include?('w')
    cmd << '--mode=send'
    cmd << "--host=#{@host}"
    cmd << "--user=#{@username}"
    cmd << local_path
    cmd << remote_path

    cmd << {in: rd}
  end

  cmd
end

#mkdir_p(dir) ⇒ Object 



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# File 'lib/etna/filesystem.rb', line 154

def mkdir_p(dir)
  raise "Failed to mkdir #{dir}" unless run_ascli_cmd("mkdir", dir)
end

#mv(src, dest) ⇒ Object 



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# File 'lib/etna/filesystem.rb', line 172

def mv(src, dest)
  raise "Failed to mv #{src} to #{dest}" unless run_ascli_cmd("mv", src, dest)
end

#rm_rf(dir) ⇒ Object 



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# File 'lib/etna/filesystem.rb', line 158

def rm_rf(dir)
  raise "Failed to rm_rf #{dir}" unless run_ascli_cmd("rm", dir)
end

#run_ascli_cmd(cmd, *opts) ⇒ Object 



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# File 'lib/etna/filesystem.rb', line 136

def run_ascli_cmd(cmd, *opts)
  output, status = Open3.capture2(@ascli_bin, "server", cmd, *opts, "--format=json", "--config=#{@config_file}")

  if status.success?
    return JSON.parse(output)
  end

  nil
end

#tmpdir ⇒ Object 



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# File 'lib/etna/filesystem.rb', line 162

def tmpdir
  tmpdir = "/Upload/Temp/#{SecureRandom.hex}"
  mkdir_p(tmpdir)
  tmpdir
end

#with_readable(src, opts = 'r', &block) ⇒ Object 



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# File 'lib/etna/filesystem.rb', line 150

def with_readable(src, opts = 'r', &block)
  mkio(src, opts, &block)
end

#with_writeable(dest, opts = 'w', size_hint: nil, &block) ⇒ Object 



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# File 'lib/etna/filesystem.rb', line 146

def with_writeable(dest, opts = 'w', size_hint: nil, &block)
  mkio(dest, opts, size_hint: size_hint, &block)
end