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Diff for /loncom/Attic/lonManage between versions 1.4 and 1.7

version 1.4, 2003/08/12 10:40:44 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
   #  Complete command line parsing (tested)
   #
 #  Revision 1.4  2003/08/12 10:40:44  foxr  #  Revision 1.4  2003/08/12 10:40:44  foxr
 #  Get switch parsing right.  #  Get switch parsing right.
 #  #
Line 60 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 74  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 110  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)) {
  return ();   return ();
Line 118  sub ParseArgs { Line 132  sub ParseArgs {
   
     #  Require exactly   one of --push and --reinit      #  Require exactly   one of --push and --reinit
   
     my $command = '';      my $command    = '';
     my $commandarg = '';      my $commandarg = '';
       my $paramcount = @ARGV; # Number of additional arguments.
       
   
     if($pushing ne '') {      if($pushing ne '') {
   
           # --push takes in addition a table, and a host:
           #
    if($paramcount != 2) {
       return (); # Invalid parameter count.
    }
  if($command ne '') {   if($command ne '') {
     return ();      return ();
  } else {   } else {
       
     $command    = 'push';      $command    = 'push';
     $commandarg = $pushing;      $commandarg = $pushing;
  }   }
     }      }
   
     if ($reinitting ne '') {      if ($reinitting ne '') {
   
    # --reinit takes in addition just a host name
   
    if($paramcount != 1) {
       return ();
    }
  if($command ne '') {   if($command ne '') {
     return ();      return ();
  } else {   } else {
Line 137  sub ParseArgs { Line 168  sub ParseArgs {
  }   }
     }      }
   
     return ($command, $commandarg);      #  Build the result list:
 }  
   
       my @result = ($command, $commandarg);
       my $i;
       for($i = 0; $i < $paramcount; $i++) {
    push(@result, $ARGV[$i]);
       }
       
       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;
       
   }
   
   sub ReinitProcess {
       print "Reinitializing a process\n";
   }
   #--------------------------- Entry point: --------------------------
   
 @status = ParseArgs;  #  Parse the parameters
 $nparam   = @status;  #  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 "Will do a $status[0] : $status[1]\n";  #
   #   Next, ensure we are running as EID root.
   #
   if ($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 182  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.1.4  
changed lines
  Added in v.1.7

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