Class: MiqFsUtil

Inherits:
Object
  • Object
show all
Defined in:
lib/fs/MiqFsUtil.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(fromFs, toFs, us = nil) ⇒ MiqFsUtil

Returns a new instance of MiqFsUtil.



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# File 'lib/fs/MiqFsUtil.rb', line 10

def initialize(fromFs, toFs, us = nil)
  setUpdateSpec(us)
  @fromFs = fromFs
  @toFs = toFs

  @verbose = false
end

Instance Attribute Details

#fromFs ⇒ Object

Returns the value of attribute fromFs.



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# File 'lib/fs/MiqFsUtil.rb', line 8

def fromFs
  @fromFs
end

#toFs ⇒ Object

Returns the value of attribute toFs.



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# File 'lib/fs/MiqFsUtil.rb', line 8

def toFs
  @toFs
end

#verbose ⇒ Object

Returns the value of attribute verbose.



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# File 'lib/fs/MiqFsUtil.rb', line 8

def verbose
  @verbose
end

Instance Method Details

#copy(from, to, recursive = false) ⇒ Object

Copy files and directories from fromFs to the toFs.

FILE -> FILE FILE -> DIR DIR -> DIR (recursive = true)



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# File 'lib/fs/MiqFsUtil.rb', line 57

def copy(from, to, recursive = false)
  allTargets = []
  from = [from] unless from.kind_of?(Array)
  from.each { |t| allTargets.concat(dirGlob(t)) }

  raise "copy: no source files matched" if allTargets.length == 0
  if allTargets.length > 1 || recursive
    raise "copy: destination directory does not exist" unless @toFs.fileExists?(to)
    raise "copy: destination must be a directory for multi-file copy" unless @toFs.fileDirectory?(to)
  end

  allTargets.each do |f|
    owd = @fromFs.pwd
    @fromFs.chdir(File.dirname(f))
    f = File.basename(f)

    #
    # Copy plain files.
    #
    if @fromFs.fileFile?(f)
      if @toFs.fileDirectory?(to)
        tf = File.join(to, File.basename(f))
      else
        tf = to
      end
      copySingle(f, tf)
      next
    end

    #
    # If the recursive flag is not set, skip directories.
    #
    next unless recursive

    #
    # Recursively copy directory sub-tree.
    #
    @fromFs.chdir(f)
    td = File.join(to, f)
    @toFs.dirMkdir(td) unless @toFs.fileExists?(td)
    @fromFs.findEach('.') do |ff|
      tf = File.join(td, ff)
      if @fromFs.fileDirectory?(ff)
        @toFs.dirMkdir(tf)
      elsif @fromFs.fileFile?(ff)
        copySingle(ff, tf)
      end
    end # findEach
    @fromFs.chdir(owd)
  end # allTargets.each
end

#dumpSpec(specFile) ⇒ Object 



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# File 'lib/fs/MiqFsUtil.rb', line 45

def dumpSpec(specFile)
  raise "MiqFsUpdate.dumpSpec: no current update spec" unless @csa
  YAML.dump(@csa, File.open(specFile, "w"))
end

#loadUpdateSpec(path) ⇒ Object

Load the update spec from a file in the fromFs.



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# File 'lib/fs/MiqFsUtil.rb', line 36

def loadUpdateSpec(path)
  @fromFs.fileOpen(path) { |fo| @csa = YAML.load(fo.read) }
end

#setUpdateSpec(us) ⇒ Object 



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# File 'lib/fs/MiqFsUtil.rb', line 22

def setUpdateSpec(us)
  if us
    @csa = us
    @csa = YAML.load_file(us) if @csa.kind_of? String
    @csa = [@csa] if @csa.kind_of? Hash
    raise "Invalid collection spec" unless @csa.kind_of? Array
  else
    @csa = nil
  end
end

#update ⇒ Object 



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# File 'lib/fs/MiqFsUtil.rb', line 40

def update
  raise "MiqFsUpdate.update: no current update spec" unless @csa
  @csa.each { |cs| doUpdate(OpenStruct.new(cs)) }
end

#updateSpec=(us) ⇒ Object 



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# File 'lib/fs/MiqFsUtil.rb', line 18

def updateSpec=(us)
  setUpdateSpec(us)
end