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Diff for /loncom/Attic/lonManage between versions 1.12 and 1.16

version 1.12, 2003/08/18 11:08:07 version 1.16, 2003/10/21 09:44:04
Line 33 Line 33
 #   it is a command line tool.  The following command line syntax (usage)  #   it is a command line tool.  The following command line syntax (usage)
 #   is supported:  #   is supported:
 #  #
 #    lonManage  -push   <tablename>  newfile  host  #    lonManage  -push   <tablename>  newfile  [host]
 #        Push <tablename> to the lonTabs directory.  Note that  #        Push <tablename> to the lonTabs directory.  Note that
 #        <tablename> must be one of:  #        <tablename> must be one of:
 #           hosts  (hosts.tab)  #           host  (hosts.tab)
 #           domain (domain.tab)  #           domain (domain.tab)
 #  #
 #    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.
 #  #
 #    In the above syntax, the host above is the hosts.tab name of a host,  #    In the above syntax, the host above is the hosts.tab name of a host,
 #    not the IP address of the host.  #    not the IP address of the host
   #  
   #   If [host] is not supplied, every host in the client's hosts.tab
   #   table is iterated through and procesed..
 #  #
 #  $Log$  #  $Log$
   #  Revision 1.16  2003/10/21 09:44:04  foxr
   #  Add ability to manage entire cluster in hosts table.
   #
   #  Revision 1.15  2003/09/16 09:49:54  foxr
   #  Adjust the usage message to reflect what actually will happen on
   #  --reinit={lond|lonc}
   #
   #  Revision 1.14  2003/09/08 09:45:20  foxr
   #  Remove BUGBUG about comment about authentication as we'll be doing
   #  host based authentication initially (no need for lonManage to do anything),
   #  and certificate based later (need at that time).
   #
   #  Revision 1.13  2003/08/19 10:26:24  foxr
   #  Initial working version... tested against an unmodified lond this
   #  produces an unknown_cmd response which is about what I'd expect.
   #
 #  Revision 1.12  2003/08/18 11:08:07  foxr  #  Revision 1.12  2003/08/18 11:08:07  foxr
 #  Debug request building in Transact.  #  Debug request building in Transact.
 #  #
Line 93 Line 112
 #  #
 #  #
   
   
   
 # Modules required:  # Modules required:
   
 use strict; # Because it's good practice.  use strict; # Because it's good practice.
 use English; # Cause I like meaningful names.  use English; # Cause I like meaningful names.
 use Getopt::Long;  use Getopt::Long;
 use LONCAPA::Configuration; # To handle configuration I/O.  use LONCAPA::Configuration; # To handle configuration I/O.
   use IO::Socket::UNIX; # To communicate with lonc.
   
 # File scoped variables:  # File scoped variables:
   
 my %perlvar; # Perl variable defs from apache config.  my %perlvar; # Perl variable defs from apache config.
 my %hostshash; # Host table as a host indexed hash.  my %hostshash; # Host table as a host indexed hash.
   
   #
   #   prints out utility's command usage info.
   #
 sub Usage  {  sub Usage  {
     print "Usage:";      print "Usage:";
     print <<USAGE;      print <<USAGE;
     lonManage  --push=<tablename>  newfile  host      lonManage  --push=<tablename>  newfile  [host]
         Push <tablename> to the lonTabs directory.  Note that          Push <tablename> to the lonTabs directory.  Note that
         <tablename> must be one of:          <tablename> must be one of:
            hosts  (hosts.tab)             host  (hosts.tab)
            domain (domain.tab)             domain (domain.tab)
   
     lonManage  --reinit=lonc host      lonManage  --reinit=lonc [host]
            Sends a HUP signal to the remote systems's lond.         Causes lonc in the remote system to reread hosts.tab and
          adjust the set of clients that are being maintained to match
     lonManage  --reinit=lond host         the new file.
           Requests the remote system's lond perform the same action as if         
           it had received a HUP signal.  
       lonManage  --reinit=lond [host]
          Causes lond in the remote system to reread the hosts.tab file
          and adjust the set of servers to match changes in that file.
   
     In the above syntax, the host above is the hosts.tab name of a host,      In the above syntax, the host above is the hosts.tab name of a host,
     not the IP address of the host.      not the IP address of the host.
   
       If [host] is omitted, all hosts in the hosts.tab file are iterated
       over.
   
 USAGE  USAGE
   
   
 }  }
   #
   #   Lifted from lonnet.pm - and we need to figure out a way to get it back in.
   #   Performas a transaction with lond via the lonc proxy server.
   #   Parameter:
   #      cmd  - The text of the request.
   #      host - The host to which the request ultimately goes.
   #   Returns:
   #      The text of the reply from the lond or con_lost if not able to contact
   #      lond/lonc etc.
   #
   sub subreply {
       my ($cmd,$server)=@_;
       my $peerfile="$perlvar{'lonSockDir'}/$server";
       my $client=IO::Socket::UNIX->new(Peer    =>"$peerfile",
                                        Type    => SOCK_STREAM,
                                        Timeout => 10)
          or return "con_lost";
       print $client "$cmd\n";
       my $answer=<$client>;
       if (!$answer) { $answer="con_lost"; }
       chomp($answer);
       return $answer;
   }
   #   >>> BUGBUG <<< 
 #  #
 #  Use Getopt::Long to parse the parameters of the program.  #  Use Getopt::Long to parse the parameters of the program.
 #  #
Line 169  sub ParseArgs { Line 224  sub ParseArgs {
   
     if($pushing ne '') {      if($pushing ne '') {
   
         # --push takes in addition a table, and a host:          # --push takes in addition a table, and an optional  host:
         #          #
  if($paramcount != 2) {   if(($paramcount != 2) && ($paramcount != 1)) {
     return (); # Invalid parameter count.      return (); # Invalid parameter count.
  }   }
  if($command ne '') {   if($command ne '') {
Line 185  sub ParseArgs { Line 240  sub ParseArgs {
   
     if ($reinitting ne '') {      if ($reinitting ne '') {
   
  # --reinit takes in addition just a host name   # --reinit takes in addition just an optional  host name
   
  if($paramcount != 1) {   if($paramcount > 1) {
     return ();      return ();
  }   }
  if($command ne '') {   if($command ne '') {
Line 233  sub ReadConfig { Line 288  sub ReadConfig {
 sub ValidHost {  sub ValidHost {
     my $host       = shift;      my $host       = shift;
         
     ReadConfig;  
   
     return defined $hostshash{$host};      return defined $hostshash{$host};
   
 }  }
   
   
   
 #  #
 #  Performs a transaction with lonc.  #  Performs a transaction with lonc.
 #  By the time this is called, the transaction has already been  #  By the time this is called, the transaction has already been
Line 278  sub Transact { Line 335  sub Transact {
     } else {      } else {
  $request .= "\n";   $request .= "\n";
     }      }
     # Body is now built..      # Body is now built... transact with lond..
       
       my $answer = subreply($request, $host);
   
       print "$answer\n";
   
     print "$request";  
 }  }
 #  #
 #   Called to push a file to the remote system.  #   Called to push a file to the remote system.
Line 298  sub Transact { Line 358  sub Transact {
 #     tablefile - name of the file containing the table to push.  #     tablefile - name of the file containing the table to push.
 #     host      - name of the host to push this file to.       #     host      - name of the host to push this file to.     
 #  #
   #    >>>BUGBUG<<< This belongs in lonnet.pm.
   #
 sub PushFile {  sub PushFile {
     my $tablename = shift;      my $tablename = shift;
     my $tablefile = shift;      my $tablefile = shift;
Line 321  sub PushFile { Line 383  sub PushFile {
   
     if( ($tablename eq "host")    ||      if( ($tablename eq "host")    ||
  ($tablename eq "domain")) {   ($tablename eq "domain")) {
    print("Pushing $tablename to $host\n");
  Transact($host, "pushfile:$tablename",\@table);   Transact($host, "pushfile:$tablename",\@table);
     } else {      } else {
  die "EINVAL - Invalid parameter. tablename: $tablename must be host or domain";   die "EINVAL - Invalid parameter. tablename: $tablename must be host or domain";
Line 339  sub PushFile { Line 402  sub PushFile {
 #     process - The name of the process to reinit (lonc or lond).  #     process - The name of the process to reinit (lonc or lond).
 #     host    - The host in which this reinit will happen.  #     host    - The host in which this reinit will happen.
 #  #
   #   >>>BUGBUG<<<< This belongs  in lonnet.pm
   #
 sub ReinitProcess {  sub ReinitProcess {
     my $process = shift;      my $process = shift;
     my $host    = shift;      my $host    = shift;
Line 352  sub ReinitProcess { Line 417  sub ReinitProcess {
   
     if(($process eq "lonc") ||      if(($process eq "lonc") ||
        ($process eq "lond")) {         ($process eq "lond")) {
    print("Reinitializing $process in $host\n");
  Transact($host, "reinit:$process");   Transact($host, "reinit:$process");
     } else {      } else {
  die "EINVAL -Invalid parameter. Process $process must be lonc or lond";   die "EINVAL -Invalid parameter. Process $process must be lonc or lond";
Line 359  sub ReinitProcess { Line 425  sub ReinitProcess {
 }  }
 #--------------------------- Entry point: --------------------------  #--------------------------- Entry point: --------------------------
   
   ReadConfig; # Read the configuration info (incl.hosts).
   
   
 #  Parse the parameters  #  Parse the parameters
 #  If command parsing failed, then print usage:  #  If command parsing failed, then print usage:
   
Line 385  if($operation eq "push") {  # push table Line 454  if($operation eq "push") {  # push table
     my $tablename = shift @params;      my $tablename = shift @params;
     my $tablefile = shift @params;      my $tablefile = shift @params;
     my $host      = shift @params;      my $host      = shift @params;
     PushFile($tablename, $tablefile, $host);      if($host) {
    PushFile($tablename, $tablefile, $host);
       } else { # Push to whole cluster.
    foreach my $host (keys %hostshash) {
       PushFile($tablename, $tablefile, $host);
    }
       }
   
 } elsif($operation eq "reinit") { # reinit processname host.  } elsif($operation eq "reinit") { # reinit processname host.
     my $process   = shift @params;      my $process   = shift @params;
     my $host      = shift @params;      my $host      = shift @params;
     ReinitProcess($process, $host);      if ($host) {
 }   ReinitProcess($process, $host);
       } else { # Reinit whole cluster.
    foreach my $host (keys %hostshash) {
       ReinitProcess($process,$host);
    }
       }
   } 
 else {  else {
     Usage;      Usage;
 }  }
Line 428  Usage: Line 509  Usage:
 =item strict  =item strict
 =item Getopt::Long  =item Getopt::Long
 =item English  =item English
   =item IO::Socket::UNIX
   
   =head1 KEY Subroutines.
   
 =head1  CATEGORIES  =head1  CATEGORIES
     Command line utility      Command line utility
Removed from v.1.12  
changed lines
  Added in v.1.16

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