Support xdsh api interface

git-svn-id: https://svn.code.sf.net/p/xcat/code/xcat-core/trunk@166 8638fb3e-16cb-4fca-ae20-7b5d299a9bcd

perl-xCAT-2.0/xCAT/RSH.pm

@@ -0,0 +1,156 @@
+#!/usr/bin/perl
+# IBM(c) 2007 EPL license http://www.eclipse.org/legal/epl-v10.html
+
+package xCAT::RSH;
+
+use base xCAT::DSHRemoteShell;
+
+# Determine if OS is AIX or Linux
+# Configure standard locations of commands based on OS
+
+if ( $^O eq 'aix' ) {
+	our $RCP_CMD = '/bin/rcp';
+	our $RSH_CMD = '/bin/rsh';
+}
+
+if ( $^O eq 'linux' ) {
+	our $RCP_CMD = '/usr/bin/rcp';
+	our $RSH_CMD = '/usr/bin/rsh';
+}
+
+=head3
+        remote_shell_command
+
+        This routine constructs an rsh remote shell command using the
+        given arguments
+
+        Arguments:
+        	$class - Calling module name (discarded)
+        	$config - Reference to remote shell command configuration hash table
+        	$exec_path - Path to rsh executable
+
+        Returns:
+        	A command array for the rsh command with the appropriate
+        	arguments as defined in the $config hash table
+               
+        Globals:
+        	$RSH_CMD
+    
+        Error:
+        	None
+    
+        Example:
+        	xCAT::RSH->remote_shell_command($config_hash, '/usr/bin/rsh');
+
+        Comments:
+        	$config hash table contents:
+        	
+        		$config{'command'} - command to execute on destination host
+        		$config{'hostname'} - destination hostname where command will be executed
+        		$config{'options'} - user ID of destination host        	
+        		$config{'user'} - user ID of destination host
+=cut
+
+sub remote_shell_command {
+	my ( $class, $config, $exec_path ) = @_;
+
+	$exec_path || ( $exec_path = $RSH_CMD );
+
+	my @command = ();
+
+	push @command, $exec_path;
+	push @command, $$config{'hostname'};
+
+	if ( $$config{'user'} ) {
+		push @command, '-l';
+		push @command, $$config{'user'};
+	}
+
+	if ( $$config{'options'} ) {
+		my @options = split ' ', $$config{'options'};
+		push @command, @options;
+	}
+
+	push @command, $$config{'command'};
+
+	return @command;
+}
+
+=head3
+        remote_copy_command
+
+        This routine constructs an rcp remote copy command using the
+        given arguments
+
+        Arguments:
+        	$class - Calling module name (discarded)
+        	$config - Reference to copy command configuration hash table
+        	$exec_path - Path to rcp executable
+
+        Returns:
+        	A command array for the rcp command with the appropriate
+        	arguments as defined in the $config hash table
+                
+        Globals:
+        	$RCP_CMD
+    
+        Error:
+        	None        	
+    
+        Example:
+        	xCAT::RSH->remote_copy_command($config_hash, '/usr/bin/rcp');
+
+        Comments:
+        	$config hash table contents:
+        	
+        		$config{'dest-file'} - path to file on destination host
+        		$config{'dest-host'} - destination hostname where file will be copied
+        		$config{'dest-user'} - user ID of destination host
+        		$config{'options'} - custom options string to include in scp command
+        		$config{'preserve'} - configure the preserve attributes on scp command
+        		$config{'recursive'} - configure the recursive option on scp command        	
+        		$config{'src-file'} - path to file on source host
+        		$config{'src-host'} - hostname where source file is located
+        		$config{'src-user'} - user ID of source host
+
+=cut
+
+sub remote_copy_command {
+	my ( $class, $config, $exec_path ) = @_;
+
+	$exec_path || ( $exec_path = $RCP_CMD );
+
+	my @command   = ();
+	my @src_files = ();
+	my @dest_file = ();
+
+	my @src_file_list = split $::__DCP_DELIM, $$config{'src-file'};
+
+	foreach $src_file (@src_file_list) {
+		my @src_path = ();
+		$$config{'src-user'} && push @src_path, "$$config{'src-user'}@";
+		$$config{'src-host'} && push @src_path, "$$config{'src-host'}:";
+		$$config{'src-file'} && push @src_path, $src_file;
+		push @src_files, ( join '', @src_path );
+	}
+
+	$$config{'dest-user'} && push @dest_file, "$$config{'dest-user'}@";
+	$$config{'dest-host'} && push @dest_file, "$$config{'dest-host'}:";
+	$$config{'dest-file'} && push @dest_file, $$config{'dest-file'};
+
+	push @command, $exec_path;
+	$$config{'preserve'}  && push @command, '-p';
+	$$config{'recursive'} && push @command, '-r';
+
+	if ( $$config{'options'} ) {
+		my @options = split ' ', $$config{'options'};
+		push @command, @options;
+	}
+
+	push @command, @src_files;
+	push @command, ( join '', @dest_file );
+
+	return @command;
+}
+
+1;