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Diff for /loncom/Attic/lonManage between versions 1.5 and 1.7

version 1.5, 2003/08/12 10:55:42 version 1.7, 2003/08/18 09:56:01
Line 50 Line 50
 #    not the IP address of the host.  #    not the IP address of the host.
 #  #
 #  $Log$  #  $Log$
   #  Revision 1.7  2003/08/18 09:56:01  foxr
   #  1. Require to be run as root.
   #  2. Catch case where no operation switch is supplied and put out usage.
   #  3. skeleton/comments for PushFile function.
   #
   #  Revision 1.6  2003/08/12 11:02:59  foxr
   #  Implement command switch dispatching.
   #
 #  Revision 1.5  2003/08/12 10:55:42  foxr  #  Revision 1.5  2003/08/12 10:55:42  foxr
 #  Complete command line parsing (tested)  #  Complete command line parsing (tested)
 #  #
Line 63 Line 71
 #  Add usage and skeleton documentation.  #  Add usage and skeleton documentation.
 #  #
 #  #
   use strict; # Because it's good practice.
   use English; # Cause I like meaningful names.
 use Getopt::Long;  use Getopt::Long;
   
 sub Usage  {  sub Usage  {
Line 77  sub Usage  { Line 87  sub Usage  {
     lonManage  --reinit=lonc host      lonManage  --reinit=lonc host
            Sends a HUP signal to the remote systems's lond.             Sends a HUP signal to the remote systems's lond.
   
     lonmanage  --reinit=lond host      lonManage  --reinit=lond host
           Requests the remote system's lond perform the same action as if            Requests the remote system's lond perform the same action as if
           it had received a HUP signal.            it had received a HUP signal.
   
Line 113  USAGE Line 123  USAGE
   
 sub ParseArgs {  sub ParseArgs {
     my $pushing   = '';      my $pushing   = '';
     my $reiniting = '';      my $reinitting = '';
   
     if(!GetOptions('push=s'    => \$pushing,      if(!GetOptions('push=s'    => \$pushing,
            'reinit=s'  => \$reinitting)) {             'reinit=s'  => \$reinitting)) {
Line 132  sub ParseArgs { Line 142  sub ParseArgs {
         # --push takes in addition a table, and a host:          # --push takes in addition a table, and a host:
         #          #
  if($paramcount != 2) {   if($paramcount != 2) {
     print "Bad count $paramcount\n";  
     return (); # Invalid parameter count.      return (); # Invalid parameter count.
  }   }
  if($command ne '') {   if($command ne '') {
Line 149  sub ParseArgs { Line 158  sub ParseArgs {
  # --reinit takes in addition just a host name   # --reinit takes in addition just a host name
   
  if($paramcount != 1) {   if($paramcount != 1) {
     print "Bad count $paramcount\n";  
     return ();      return ();
  }   }
  if($command ne '') {   if($command ne '') {
Line 170  sub ParseArgs { Line 178  sub ParseArgs {
           
     return @result;      return @result;
 }  }
   
 #  #
 #    If command parsing failed, then print usage:  #   Called to push a file to the remote system.
   #   The only legal files to push are hosts.tab and domain.tab.
   #   Security is somewhat improved by
   #   
   #   - Requiring the user run as root.
   #   - Connecting with lonc rather than lond directly ensuring this is a loncapa
   #     host
   #   - We must appear in the remote host's hosts.tab file.
   #   - The host must appear in our hosts.tab file.
   #
   #  Parameters:
   #     tablename - must be one of hosts or domain.
   #     tablefile - name of the file containing the table to push.
   #     host      - name of the host to push this file to.     
   #
   sub PushFile {
       my $tablename = shift;
       my $tablefile = shift;
       my $host      = shift;
       
   }
   
 @status = ParseArgs;  sub ReinitProcess {
 $nparam   = @status;      print "Reinitializing a process\n";
   }
   #--------------------------- Entry point: --------------------------
   
   #  Parse the parameters
   #  If command parsing failed, then print usage:
   
   my @params   = ParseArgs;
   my $nparam   = @params;
   
 if($nparam == 0) {  if($nparam == 0) {
     Usage;      Usage;
     exit -1;      exit -1;
 }  }
   #
 print "---- params ---\n";  #   Next, ensure we are running as EID root.
 for($i = 0; $i < $nparam; $i++) {  #
     print "Param[$i] = $status[$i]\n";  if ($EUID != 0) {
       die "ENOPRIV - No privilege for requested operation"
 }  }
   
   
   #   Based on the operation requested invoke the appropriate function:
   
   my $operation = shift @params;
   
   if($operation eq "push") {  # push tablename filename host
       my $tablename = shift @params;
       my $tablefile = shift @params;
       my $host      = shift @params;
       PushFile($tablename, $tablefile, $host);
   
   } elsif($operation eq "reinit") { # reinit processname host.
       my $process   = shift @params;
       my $host      = shift @params;
       ReinitProcess($process, $host);
   }
   else {
       Usage;
   }
 exit 0;  exit 0;
   
 =head1 NAME  =head1 NAME
Line 217  Usage: Line 272  Usage:
   
 =head1 PREREQUISITES  =head1 PREREQUISITES
   
   =item strict
 =item Getopt::Long  =item Getopt::Long
   =item English
   
 =head1  CATEGORIES  =head1  CATEGORIES
     Command line utility      Command line utility
Removed from v.1.5  
changed lines
  Added in v.1.7

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