amaddclient.pl

开源备份软件源码 AMANDA, the Advanced Maryland Automatic Network Disk Archiver, is a backup system that a

chomp($lhost);
# get our own canonical name, if possible (we don't sweat the IPv6 stuff here)
my $host=(gethostbyname($lhost))[0];

unless ( $host ) {
    $host = $lhost;  #gethostbyname() failed, go with hostname output
}


my $found=0;
my $fhs;

# make sure dumptype is defined in dumptypes or amanda.conf file

if ( defined $dumptype ) { 
for $fhs ( "$confdir/template.d/dumptypes", "$confdir/$config/amanda.conf" ) {
    open (DTYPE, $fhs) ||
	&log_and_die ("ERROR: Cannot open $fhs file : $!\n");
    while (<DTYPE>) {
	if (/^\s*define\s*dumptype\s*$dumptype\s*{/) {
	    $found=1;
	    last;
	}
	}
	close (DTYPE);
    }

    unless ( $found ) {
        &log_and_die ("ERROR: $dumptype not defined in $confdir/template.d/dumptypes or $confdir/$config/amanda.conf\n");
    }
}

# create disklist file
    unless ( -e "$confdir/$config"  ) {
	&log_and_die ("ERROR: $confdir/$config not found\n");
    }
    $found=0;
    if (defined $includefile || defined $includelist 
		    || defined $excludefile || defined $excludelist) {
	$sp_diskfile=1;
	}

    unless ( -e "$confdir/$config/disklist" ) {	 # create it if necessary
        open (DLE, ">$confdir/$config/disklist") || 
	    &log_and_die ("ERROR: Cannot create $confdir/$config/disklist file : $!\n");
	print DLE "#This file is generated by amaddclient.\n";
	print DLE "#Don't edit it manually, otherwise, 'amaddclient -m ...' might not work\n";
    }

    open (DLE, "+<$confdir/$config/disklist")    # open for read/write
	|| &log_and_die ("ERROR: Cannot open $confdir/$config/disklist file : $!\n");
    while (<DLE>) {
	my ($lclient, $ldiskdev, $dontcare ) = split(/\s+/, $_);
	if (( $lclient eq $client ) && ($ldiskdev eq $diskdev) ) {
	    $found=1;
	    last;
	}
    }

# if found and -m, do modification and exit 
    if ( defined $mod ) {
	if ( $found ) {
	&dle_mod;
    } else {
	&log_and_die ("ERROR: $client $diskdev not found, cannot modify\n");
    }
    }

unless ( defined $dumptype ) {
    $dumptype=$def_dumptype;
} 
    if ( $found==1 ) {
	&mprint("$confdir/$config/disklist has '$client $diskdev ...' entry, file not updated\n"); }
    else {
	print DLE "$client  $diskdev ";
	print DLE "{\n$dumptype\n" if ($sp_diskfile);
	if ( defined $includefile ) {
	    print DLE "include file \"$includefile\"\n";
	}
	elsif ( defined $includelist ) {
	    print DLE "include list \"$includelist\"\n";
	}
	if ( defined $excludefile ) {
	    print DLE "exclude file \"$excludefile\"\n";
	}
	elsif ( defined $excludelist ) {
	    print DLE "exclude list \"$excludelist\"\n";
	}
        print DLE "}\n" if ($sp_diskfile);

        print DLE "  $dumptype\n" if ($sp_diskfile==0);
	&mprint ("$confdir/$config/disklist updated\n");
	close (DLE);
    }


# update .amandahosts on server and client
    my $scp="scp";
    my $scp_opt1="-p";   # p: preserve mode
    my $scp_opt2="-o ConnectTimeout=15";   #timeout after 15 seconds
    my $ssh="ssh";
    my $ssh_opt="-x"; # -x as a placeholder, otherwise ssh complains
    my $mkdir="mkdir";
    my $client_conf_dir="$confdir/$config";
    my $amanda_client_conf="$client_conf_dir/amanda-client.conf";
    my $file="$amandahomedir/.amandahosts";
    my $client_file="$amandahomedir/amanda-client.conf-$client";
   
   if ( defined $batch ) {
    $scp_opt1="-Bp";
    $ssh_opt="-o BatchMode=yes";
  }
    
    &mprint ("updating $file on $host\n");
    unless ( defined $root_user ) {
    $root_user=$def_root_user;
  }
    $found=0;
    open (HFILE, "+<$file") 
	|| &log_and_die ("ERROR: Cannot open $file : $!\n");
	
	while (<HFILE>) {
	    if (/^\s*$client\s*$root_user\s*amindexd\s*amidxtaped\s/) {
		$found=1;
		last;
	    }
	}
    if ( $found==1 ) {
	&mprint ("$file contains $client $root_user, file not updated\n") ; }
    else {
	print HFILE "$client  $root_user amindexd amidxtaped\n";
	close (HFILE);
    }

# update client .amandahosts
unless ( $no_client_update ) {
     
    &mprint ("Attempting to update $file on $client\n");

    chdir ("$amandahomedir");
    system "$scp", "$scp_opt1", "$scp_opt2", "$amanda_user\@$client:$file", "$file.tmp";
    $exit_value  = $? >> 8;
    if ( $exit_value !=0 ) {
	&mprint ("WARNING: $scp from $client not successful.\n");
	&mprint ("Check $client:$file file.\n");
	&mprint ("If entry '$host $amanda_user' is not present,\n");
	&mprint ("append the entry to the file manually.\n");
    }
    else { 
    $found=0;
    unless ( -e "$file.tmp" ) {
	&mprint ("WARNING: $file.tmp not found\n"); }
    else {
	open (CFILE, "+<$file.tmp") 
	    || &log_and_die ("ERROR: Cannot open $file.tmp file : $!\n");
	while (<CFILE>) {
	    if (/^\s*$host\s*$amanda_user\s*amdump\s/) {
		$found=1;
		last;
	    }
	}
	if ( $found==1 ) {
	    &mprint ("$file contains $host $amanda_user, file not updated\n") ; }
	else {
	    print CFILE "$host  $amanda_user amdump\n";
	    close (CFILE);
	    
	    #make sure permission mode is correct
	    chmod (0600, "$file.tmp");
	    system "$scp", "$scp_opt1", "$scp_opt2", "$file.tmp", "$client:$file";
	    $exit_value  = $? >> 8;
	    if ( $exit_value !=0 ) {
		&mprint ("WARNING: $scp to $client not successful.\n");
		&mprint ("Check $client:$file file.\n");
		&mprint ("If entry '$host $amanda_user amdump' is not present,\n");
		&mprint ("append the entry to the file manually.\n");
	    }
    
	} 
    }
    unlink ("$file.tmp") || &mprint("unlink $file.tmp failed: $!\n");
    &mprint ("$client:$file updated successfully\n");
  }
  }

# done updating client .amandahosts

#create amanda-client.conf and scp over to client

unless ( $no_client_update ) {
&mprint ("Creating amanda-client.conf for $client\n");

$auth="bsdtcp" unless ( defined $auth ); 

open (ACFILE, ">$client_file") || &log_and_die ("ERROR: Cannot open $client_file file : $!\n");
 print ACFILE "#amanda-client.conf - Amanda client configuration file.\n";
 print ACFILE "conf            \"$config\"\n";
 print ACFILE "index_server    \"$host\"\n";
 print ACFILE "tape_server     \"$host\"\n";
 print ACFILE "#  auth  - authentication scheme to use between server and client.\n";
 print ACFILE "#          Valid values are 'bsdtcp' or 'ssh'\n";
 print ACFILE "auth            \"$auth\"\n";
 print ACFILE "# ssh keys file if ssh auth is used\n";
 print ACFILE "ssh_keys        \"$amandahomedir/.ssh/id_rsa_amrecover\"\n";
 print ACFILE "gnutar_list_dir \"$tarlist\"\n" if ( defined $tarlist );
 print ACFILE "amandates       \"$amandates\"\n" if ( defined $amandates ); 

close (ACFILE);
&mprint ("Creating  $client_conf_dir on $client\n");
system "$ssh", "$ssh_opt", "$amanda_user\@$client", "$mkdir", "$client_conf_dir";
$exit_value  = $? >> 8;
if ( $exit_value !=0 ) {
  &mprint ("WARNING: Cannot create $client_conf_dir on $client\n");
  &mprint ("Please copy $client_file to $client manually\n");
} else { 
  chmod (0600, "$client_file");
  system "$scp", "$scp_opt1", "$scp_opt2", "$client_file", "$amanda_user\@$client:$amanda_client_conf";
  $exit_value  = $? >> 8;
  if ( $exit_value !=0 ) {
    &mprint ("WARNING: Cannot copy $client_file to $client\n");
    &mprint ("Please copy $client_file to $client:$client_conf_dir manually\n");
  } else {
    &mprint ("Copy $client_file to $client successfully\n");
    unlink($client_file);
  }      
}
}

#create gnutar_list_dir
if ( defined $tarlist && !defined $no_update_client ) {
 system "$ssh", "$ssh_opt", "$amanda_user\@$client", "$mkdir", "$gnutar_list_dir";
 $exit_value  = $? >> 8;
if ( $exit_value !=0 ) {
  &mprint ("WARNING: Cannot create $gnutar_list_dir on $client\n"); 
  &mprint ("Please create $gnutar_list_dir on $client manually\n");
} else { 
  &mprint ("$client_file created on $client successfully\n");
}
}

&mprint ("File /var/lib/amanda/example/xinetd.amandaclient contains the latest Amanda client daemon configuration.\n");
&mprint ("Please merge it to /etc/xinetd.d/amandaclient.\n");
 
$ENV{'PATH'} = $oldPATH;
close (LOG);

#THE END