Module: CfrubyRuntime

Includes:
Cfruby::Cfp_ClassAccessor, Cfruby::Cfp_MapOptions, Cfruby::Cfp_ParserLogic
Included in:
Cfruby::Parser
Defined in:
lib/libcfenjin/cfrubyruntime.rb

Defined Under Namespace

Classes: EditFile, ExitScript, PackageNotInstalledError, VersionError

Constant Summary

Constants included from Cfruby::Cfp_MapOptions

Cfruby::Cfp_MapOptions::AGE_OPT, Cfruby::Cfp_MapOptions::COPY, Cfruby::Cfp_MapOptions::DIR, Cfruby::Cfp_MapOptions::EMPTY_OPT, Cfruby::Cfp_MapOptions::FILES, Cfruby::Cfp_MapOptions::FILE_OPT, Cfruby::Cfp_MapOptions::MAP, Cfruby::Cfp_MapOptions::PATTERN_OPT, Cfruby::Cfp_MapOptions::RECURSE_OPT, Cfruby::Cfp_MapOptions::REMOVE_OPT, Cfruby::Cfp_MapOptions::SYNONYM, Cfruby::Cfp_MapOptions::TIDY

Instance Method Summary collapse

Methods included from Cfruby::Cfp_MapOptions

#check_pattern, #expand_synonyms, #map, #pop_options, #synonym

Methods included from Cfruby::Cfp_ClassAccessor

#assign, #cfgroup, #dump_classlist, #init_classlist, #isa, #isa?

Methods included from Cfruby::Cfp_ParserLogic

#conditional?, #embed_exec_into_informer, #form_conditional, #form_control, #form_copy, #form_directories, #form_editfiles, #form_files, #form_groups, #form_links, #form_shellcommands, #form_tidy

Instance Method Details

#cfenjin_version(version, dev_version = nil) ⇒ Object 



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# File 'lib/libcfenjin/cfrubyruntime.rb', line 41

def cfenjin_version version, dev_version=nil
  if (version > @cf.version) or (version == @cf.version and dev_version > @cf.dev_version)
		raise VersionError,"Cfenjin version #{version}-dev#{dev_version} required!"
  end  
end

#copy(src, dest = nil, attrib = {}) ⇒ Object 



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# File 'lib/libcfenjin/cfrubyruntime.rb', line 126

def copy src,dest=nil,attrib={}
	if has_attrib? src
		eval(send('form_copy',src))
	else
		if dest.is_a? Hash
			# Move dest from attrib to string 'dest'
			d = dest['dest']
			attrib = dest
			attrib.delete('dest')
			dest = d
		end
		if File.exist? src
			# p sprintf("1 %o\n",File.stat(dest).mode)
			# p (File.stat(dest).mode&0200)
			# p (File.stat(dest).mode&0400)
		
			if (File.exist?(dest) && ((File.stat(dest).mode & 0200)!=0200))
				# ---- File in place disallows writing
				File.chmod((0200|File.stat(dest).mode),dest)
			end
			Cfruby::FileOps.copy src,dest,map('copy',attrib)
		else
			Cfruby.controller.inform('info', "Failed to copy non-existing file #{src}")
			raise "Failed to copy #{src}" if @cf.strict
		end
	end
end

#directories(dirname, attrib = {}) ⇒ Object 



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# File 'lib/libcfenjin/cfrubyruntime.rb', line 97

def directories dirname,attrib={}
	if has_attrib? dirname 
		eval(send('form_directories',dirname))
	else
		Cfruby::FileOps.mkdir dirname,map('directories',attrib)
	end
end

#exit_script(msg = '') ⇒ Object

Raises:



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# File 'lib/libcfenjin/cfrubyruntime.rb', line 37

def exit_script msg=''
	raise ExitScript,'exit_script '+msg
end

#files(filename, attrib = {}) ⇒ Object

The mother of ‘files’ in Cfruby



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# File 'lib/libcfenjin/cfrubyruntime.rb', line 106

def files filename,attrib={}
	if has_attrib? filename 
		eval(send('form_files',filename))
	else
		options = map('files',check_pattern(attrib,filename))
		(owner,group,mode) = pop_options(options,:owner,:group,:mode)
		begin
				# p [filename,owner,group,mode,options]
         if options[:shell]
			  	Cfruby::FileOps.shell_chown_mod filename,owner,group,mode,options
         else
				  Cfruby::FileOps.chown_mod filename,owner,group,mode,options
         end
         options[:shell] = nil
		rescue Cfruby::FileFind::FileExistError
			Cfruby.controller.inform('verbose', "Can not chmod on non-existing file #{filename}")
		end
	end
end

#haspackage?(pkgname) ⇒ Boolean

Checks for a package (non-disruptive)

Returns:

  • (Boolean) 


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# File 'lib/libcfenjin/cfrubyruntime.rb', line 66

def haspackage? pkgname
	if @cf.packagelist
		return @cf.packagelist[pkgname]
	end
	# ---- check for direct name of binary using the path
	`which #{pkgname}` =~ /#{pkgname}/
end

#hasuser?(username) ⇒ Boolean

Checks for a user

Returns:

  • (Boolean) 


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# File 'lib/libcfenjin/cfrubyruntime.rb', line 75

def hasuser? username
	@cf.usermanager.user? username		
end

#link(fn, linkname) ⇒ Object

Create a symbolic link from linkname to fn



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# File 'lib/libcfenjin/cfrubyruntime.rb', line 80

def link fn,linkname
	if File.symlink?(linkname) and !Cfruby::FileOps::SymlinkHandler.points_to?(linkname,fn)
		Cfruby.controller.inform('verbose', "Existing #{linkname} is not pointing to #{fn}")
		print "Existing #{linkname} is not pointing to #{fn}\n"
		Cfruby::FileOps.delete linkname
	end
	if @cf.strict
		Cfruby::FileOps.link fn,linkname
	else
		begin
			Cfruby::FileOps.link fn,linkname
		rescue
			Cfruby.controller.inform('verbose', "Problem linking #{linkname} -> #{fn}")
		end
	end
end

#needpackage(*args) ⇒ Object

This method checks whether a package is installed - if not it will try and install it (nyi) FIXME



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# File 'lib/libcfenjin/cfrubyruntime.rb', line 61

def needpackage *args
	package *args
end

#package(*args) ⇒ Object

This method is called from Cfruby script to make sure a package has been installed. If it is not on the system the rest of the script should not be executed.

Raises:



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# File 'lib/libcfenjin/cfrubyruntime.rb', line 51

def package *args
	args.each do | name |
		return if haspackage? name
	end
	@cf.cfp_logger.notify VERBOSE_MAJOR,"Skipping - package #{args.join(',')} not installed"
	raise PackageNotInstalledError.new('Package '+args.join(",")+' not installed')
end

#tidy(target, attrib = {}) ⇒ Object 



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# File 'lib/libcfenjin/cfrubyruntime.rb', line 154

def tidy target, attrib={}
	if has_attrib? target
		eval(send('form_tidy',target))
	else
		options = map('tidy',check_pattern(attrib,target))
		Cfruby::FileOps.delete target,options
	end
end