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The initial commit of 0.9.5-pre1 version

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git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@33 d57e44dd-8a1f-0410-8b47-8ef2f437770f
This commit is contained in:
Vladislav Bolkhovitin
2006-11-14 12:56:57 +00:00
parent 02d31f62c0
commit 5410bf4f3b
12 changed files with 3768 additions and 0 deletions
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Changes since 0.9.2-pre2:
- List SCST sessions
- Verify specified config file against live configuration and show differences
- Write config file based on live configuration
- Force-apply configuration, even config deletions with a force flag.
- Added new option types
- Added support for specifying a blocksize
- Added "-reload-config" to init script
Changes since 0.9.5-pre0:
- Renamed scst to scstadmin
- Fixed writeConfiguration() to properly write DEVICE lines with no options
- Removed the comment which prevented a target from being enabled in enableTarget()
- Updated init.d/scst to use scstadmin instead of scst_db
- Fixup of README file

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GNU GENERAL PUBLIC LICENSE
Version 2, June 1991
Copyright (C) 1989, 1991 Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
Everyone is permitted to copy and distribute verbatim copies
of this license document, but changing it is not allowed.
Preamble
The licenses for most software are designed to take away your
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0. This License applies to any program or other work which contains
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Copyright (C) <year> <name of author>
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Also add information on how to contact you by electronic and paper mail.
If the program is interactive, make it output a short notice like this
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Gnomovision version 69, Copyright (C) year name of author
Gnomovision comes with ABSOLUTELY NO WARRANTY; for details type `show w'.
This is free software, and you are welcome to redistribute it
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The hypothetical commands `show w' and `show c' should show the appropriate
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You should also get your employer (if you work as a programmer) or your
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Yoyodyne, Inc., hereby disclaims all copyright interest in the program
`Gnomovision' (which makes passes at compilers) written by James Hacker.
<signature of Ty Coon>, 1 April 1989
Ty Coon, President of Vice
This General Public License does not permit incorporating your program into
proprietary programs. If your program is a subroutine library, you may
consider it more useful to permit linking proprietary applications with the
library. If this is what you want to do, use the GNU Lesser General
Public License instead of this License.

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SCST Configuration/Administration scripts. Here you'll find scstadmin which reads
a configuration file /etc/scst.conf, or one if your choosing. With it you can manually
or automatically configure every aspect of SCST incuding enabling/disabling target mode
on your target SCSI controller. The old directory contains scst_db which uses a mysql
backend database to configure SCST but doesn't handle all the things scstadmin handles.
The perl module SCST::SCST is very generic and tries to handle error checking as well.
The init script was written for debian but should work on most distributions.
SCST This is the SCST Perl module required by scstadmin and scst_db.
Copy the SCST directory to your perl5 lib directory:
#> cp -r SCST /usr/lib/perl5/
scstadmin Script which can accept operations on a command line or from
a configuration file. See scst.conf. For command help,
#> scstadmin
old Script which configures SCST using configurations
found in a database. See the examples directory database
schema and example data. You will need to edit the
config file scst_db.conf to refect your environment.
scst.conf Configuration file for scst script. Usually stored
in /etc.
examples Configuration examples.
init.d/scst Init script to start SCST on boot which uses scstadmin.
Getting Started:
The scstadmin script is much more functional than scst_db at this point but uses a
standard text-based config file. The original thought behind scst_db was to write
a daemon process which would except network connections and issue SCST commands. A
client app would then connect to that port.
Copy scst.conf to /etc and edit it to your liking. if you have an existing configuration
then have scstadmin write it out to a config file for you:
#> scstadmin -WriteConfig /etc/scst.conf
When removing devices, users or groups from the config file keep in mind that
"scstadmin -config" will NOT remove those configurations from the running system unless
you use the -ForceConfig flag. Also, using the init script to reload the configuration
#> /etc/init.d/scst -reload-config
will also not remove configurations from a running system.
Mark.Buechler@gmail.com

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# Automatically generated by scst.
[HANDLER disk_fileio]
DEVICE GW15K000,/dev/evms/GW15K000,512
DEVICE GW15K001,/dev/evms/GW15K001,512
DEVICE MP15K004,/dev/evms/MP15K004,512
DEVICE MP15K005,/dev/evms/MP15K005,512
DEVICE MP15K006,/dev/evms/MP15K006,512
DEVICE MP15K007,/dev/evms/MP15K007,512
DEVICE MP15K008,/dev/evms/MP15K008,512
DEVICE MP15K009,/dev/evms/MP15K009,512
DEVICE MP15K00a,/dev/evms/MP15K00a,512
DEVICE MP15K00b,/dev/evms/MP15K00b,512
DEVICE MP15K00c,/dev/evms/MP15K00c,512
DEVICE MP15K00d,/dev/evms/MP15K00d,512
DEVICE MP15K00e,/dev/evms/MP15K00e,512
DEVICE MS10K006,/dev/evms/MS10K002,512
DEVICE MS15K000,/dev/evms/MS15K000,512
DEVICE MS15K001,/dev/evms/MS15K001,512
DEVICE MS15K002,/dev/evms/MS15K002,512
DEVICE MS15K005,/dev/evms/MS15K003,512
DEVICE RG10K000,/dev/evms/RG10K000,512
DEVICE RG72K001,/dev/evms/RG72K001,512
[HANDLER cdrom_fileio]
[GROUP CORBIN2_a]
USER 21:00:00:e0:8b:11:8d:8a
[GROUP CORBIN3_a]
USER 21:00:00:e0:8b:03:9e:1a
[GROUP MENTASM_a]
USER 21:00:00:e0:8b:11:06:8a
[GROUP PC1_a]
USER 21:00:00:e0:8b:11:3f:8d
[GROUP PC2_a]
USER 21:00:00:e0:8b:03:d8:4a
[GROUP PC3_a]
USER 21:00:00:e0:8b:13:ba:01
[GROUP PC4_a]
USER 21:00:00:e0:8b:11:a6:8b
[GROUP RAISTLIN_a]
USER 21:00:00:e0:8b:11:75:8b
[ASSIGNMENT CORBIN2_a]
DEVICE MP15K009,0
DEVICE MS10K006,1
DEVICE RG10K000,2
DEVICE RG72K001,3
[ASSIGNMENT CORBIN3_a]
DEVICE MP15K00d,0
[ASSIGNMENT Default]
DEVICE GW15K000,0
DEVICE GW15K001,1
[ASSIGNMENT MENTASM_a]
DEVICE MP15K006,0
DEVICE MP15K008,1
DEVICE MP15K00e,2
[ASSIGNMENT PC1_a]
DEVICE MS15K000,0
[ASSIGNMENT PC2_a]
DEVICE MS15K005,0
[ASSIGNMENT PC3_a]
DEVICE MP15K00c,0
[ASSIGNMENT PC4_a]
DEVICE MP15K005,0
DEVICE MP15K007,1
[ASSIGNMENT RAISTLIN_a]
DEVICE MP15K00a,0
DEVICE MP15K00b,1
[TARGETS enable]
HOST 0x50060b0000397178
HOST 0x50060b000039717a
[TARGETS disable]

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-- MySQL dump 10.10
--
-- Host: localhost Database: scst
-- ------------------------------------------------------
-- Server version 5.0.26-Debian_1-log
/*!40101 SET @OLD_CHARACTER_SET_CLIENT=@@CHARACTER_SET_CLIENT */;
/*!40101 SET @OLD_CHARACTER_SET_RESULTS=@@CHARACTER_SET_RESULTS */;
/*!40101 SET @OLD_COLLATION_CONNECTION=@@COLLATION_CONNECTION */;
/*!40101 SET NAMES utf8 */;
/*!40103 SET @OLD_TIME_ZONE=@@TIME_ZONE */;
/*!40103 SET TIME_ZONE='+00:00' */;
/*!40014 SET @OLD_UNIQUE_CHECKS=@@UNIQUE_CHECKS, UNIQUE_CHECKS=0 */;
/*!40014 SET @OLD_FOREIGN_KEY_CHECKS=@@FOREIGN_KEY_CHECKS, FOREIGN_KEY_CHECKS=0 */;
/*!40101 SET @OLD_SQL_MODE=@@SQL_MODE, SQL_MODE='NO_AUTO_VALUE_ON_ZERO' */;
/*!40111 SET @OLD_SQL_NOTES=@@SQL_NOTES, SQL_NOTES=0 */;
--
-- Table structure for table `assignments`
--
DROP TABLE IF EXISTS `assignments`;
CREATE TABLE `assignments` (
`device_id` int(8) NOT NULL default '0',
`type_id` char(2) default NULL,
`group_id` int(4) NOT NULL default '0',
`host_id` int(2) NOT NULL default '0',
`target_id` int(2) NOT NULL default '0',
`target_lun` int(3) NOT NULL default '0',
PRIMARY KEY (`device_id`,`group_id`,`host_id`,`target_id`,`target_lun`)
) ENGINE=MyISAM DEFAULT CHARSET=latin1;
--
-- Dumping data for table `assignments`
--
LOCK TABLES `assignments` WRITE;
/*!40000 ALTER TABLE `assignments` DISABLE KEYS */;
INSERT INTO `assignments` VALUES (5,'MS',13,0,0,0),(5,'MP',11,0,0,0),(13,'MP',6,0,0,0),(0,'GW',1,0,0,0),(1,'GW',1,0,0,1),(12,'MP',12,0,0,0),(6,'MP',8,0,0,0),(8,'MP',8,0,0,1),(9,'MP',9,0,0,0),(10,'MP',10,0,0,0),(11,'MP',10,0,0,1),(7,'MP',11,0,0,1),(14,'MP',8,0,0,2),(0,'MS',7,0,0,0),(1,'RG',9,0,0,3),(0,'RG',9,0,0,2),(6,'MS',9,0,0,1);
/*!40000 ALTER TABLE `assignments` ENABLE KEYS */;
UNLOCK TABLES;
--
-- Table structure for table `device_types`
--
DROP TABLE IF EXISTS `device_types`;
CREATE TABLE `device_types` (
`type_id` char(2) NOT NULL default '',
`type_name` char(100) NOT NULL default '',
PRIMARY KEY (`type_id`)
) ENGINE=MyISAM DEFAULT CHARSET=latin1;
--
-- Dumping data for table `device_types`
--
LOCK TABLES `device_types` WRITE;
/*!40000 ALTER TABLE `device_types` DISABLE KEYS */;
INSERT INTO `device_types` VALUES ('GW','Gateway Communication Device'),('MP','Mirrored Pair Device'),('SV','Snapshot Device'),('SD','Single Disk Device (Unprotected)'),('SS','Stripe Set (VERY Unprotected)'),('RG','Raid 5 Group Device'),('MS','Mirrored Stripe Device');
/*!40000 ALTER TABLE `device_types` ENABLE KEYS */;
UNLOCK TABLES;
--
-- Table structure for table `devices`
--
DROP TABLE IF EXISTS `devices`;
CREATE TABLE `devices` (
`device_id` int(8) NOT NULL default '0',
`type_id` char(2) NOT NULL default '',
`perf_id` char(3) NOT NULL default '',
`md_uuid` char(40) default NULL,
`device_path` char(100) default NULL,
`options` char(50) default NULL,
`blocksize` int(6) default NULL,
`scst_handlr_id` int(2) NOT NULL default '0',
PRIMARY KEY (`device_id`,`type_id`)
) ENGINE=MyISAM AUTO_INCREMENT=29 DEFAULT CHARSET=latin1;
--
-- Dumping data for table `devices`
--
LOCK TABLES `devices` WRITE;
/*!40000 ALTER TABLE `devices` DISABLE KEYS */;
INSERT INTO `devices` VALUES (7,'MP','15K','','/dev/evms/MP15K007',NULL,NULL,2),(5,'MP','15K','','/dev/evms/MP15K005',NULL,NULL,2),(6,'MP','15K','','/dev/evms/MP15K006',NULL,NULL,2),(4,'MP','15K','','/dev/evms/MP15K004',NULL,NULL,2),(8,'MP','15K','','/dev/evms/MP15K008',NULL,NULL,2),(9,'MP','15K','','/dev/evms/MP15K009',NULL,NULL,2),(10,'MP','15K','','/dev/evms/MP15K00a',NULL,NULL,2),(11,'MP','15K','','/dev/evms/MP15K00b',NULL,NULL,2),(12,'MP','15K','','/dev/evms/MP15K00c',NULL,NULL,2),(0,'GW','15K','','/dev/evms/GW15K000',NULL,NULL,2),(1,'GW','15K','','/dev/evms/GW15K001',NULL,NULL,2),(13,'MP','15K','','/dev/evms/MP15K00d',NULL,NULL,2),(14,'MP','15K','','/dev/evms/MP15K00e',NULL,NULL,2),(6,'MS','10K','','/dev/evms/MS10K002',NULL,NULL,2),(5,'MS','15K','','/dev/evms/MS15K003',NULL,NULL,2),(1,'RG','72K','','/dev/evms/RG72K001',NULL,NULL,2),(2,'MS','15K','','/dev/evms/MS15K002',NULL,NULL,2),(1,'MS','15K','','/dev/evms/MS15K001',NULL,NULL,2),(0,'MS','15K','','/dev/evms/MS15K000',NULL,NULL,2),(0,'RG','10K','','/dev/evms/RG10K000',NULL,NULL,2);
/*!40000 ALTER TABLE `devices` ENABLE KEYS */;
UNLOCK TABLES;
--
-- Table structure for table `group_users`
--
DROP TABLE IF EXISTS `group_users`;
CREATE TABLE `group_users` (
`group_id` int(16) NOT NULL default '0',
`user_id` char(32) NOT NULL default '',
PRIMARY KEY (`group_id`,`user_id`)
) ENGINE=MyISAM DEFAULT CHARSET=latin1;
--
-- Dumping data for table `group_users`
--
LOCK TABLES `group_users` WRITE;
/*!40000 ALTER TABLE `group_users` DISABLE KEYS */;
INSERT INTO `group_users` VALUES (6,'20:00:00:e0:8b:03:9e:1a'),(6,'21:00:00:e0:8b:03:9e:1a'),(7,'20:00:00:e0:8b:11:3f:8d'),(7,'21:00:00:e0:8b:11:3f:8d'),(8,'20:00:00:e0:8b:11:06:8a'),(8,'21:00:00:e0:8b:11:06:8a'),(9,'20:00:00:e0:8b:11:8d:8a'),(9,'21:00:00:e0:8b:11:8d:8a'),(10,'20:00:00:e0:8b:11:75:8b'),(10,'21:00:00:e0:8b:11:75:8b'),(11,'20:00:00:e0:8b:11:a6:8b'),(11,'21:00:00:e0:8b:11:a6:8b'),(12,'20:00:00:e0:8b:13:ba:01'),(12,'21:00:00:e0:8b:13:ba:01'),(13,'20:00:00:e0:8b:03:d8:4a'),(13,'21:00:00:e0:8b:03:d8:4a');
/*!40000 ALTER TABLE `group_users` ENABLE KEYS */;
UNLOCK TABLES;
--
-- Table structure for table `perf_types`
--
DROP TABLE IF EXISTS `perf_types`;
CREATE TABLE `perf_types` (
`perf_id` char(3) NOT NULL default '',
`perf_name` char(100) NOT NULL default '',
PRIMARY KEY (`perf_id`)
) ENGINE=MyISAM DEFAULT CHARSET=latin1;
--
-- Dumping data for table `perf_types`
--
LOCK TABLES `perf_types` WRITE;
/*!40000 ALTER TABLE `perf_types` DISABLE KEYS */;
INSERT INTO `perf_types` VALUES ('15K','15K RPM UltraSCSI-2'),('10F','10K RPM Fibre'),('72I','7200 RPM ATA/SATA'),('54I','5400 RPM ATA/SATA'),('10I','10K RPM ATA/SATA');
/*!40000 ALTER TABLE `perf_types` ENABLE KEYS */;
UNLOCK TABLES;
--
-- Table structure for table `scst_handlers`
--
DROP TABLE IF EXISTS `scst_handlers`;
CREATE TABLE `scst_handlers` (
`scst_handlr_id` int(2) NOT NULL default '0',
`handler_name` char(32) NOT NULL default '',
`autoload` enum('N','Y') NOT NULL default 'N',
PRIMARY KEY (`scst_handlr_id`)
) ENGINE=MyISAM DEFAULT CHARSET=latin1;
--
-- Dumping data for table `scst_handlers`
--
LOCK TABLES `scst_handlers` WRITE;
/*!40000 ALTER TABLE `scst_handlers` DISABLE KEYS */;
INSERT INTO `scst_handlers` VALUES (1,'disk','N'),(2,'disk_fileio','Y'),(3,'cdrom','N'),(4,'changer','N'),(5,'disk_perf','N'),(6,'modisk','N'),(7,'modisk_perf','N'),(8,'tape','N'),(9,'tape_perf','N');
/*!40000 ALTER TABLE `scst_handlers` ENABLE KEYS */;
UNLOCK TABLES;
--
-- Table structure for table `security_groups`
--
DROP TABLE IF EXISTS `security_groups`;
CREATE TABLE `security_groups` (
`group_id` int(4) NOT NULL auto_increment,
`group_name` char(100) NOT NULL default '',
PRIMARY KEY (`group_id`)
) ENGINE=MyISAM AUTO_INCREMENT=14 DEFAULT CHARSET=latin1;
--
-- Dumping data for table `security_groups`
--
LOCK TABLES `security_groups` WRITE;
/*!40000 ALTER TABLE `security_groups` DISABLE KEYS */;
INSERT INTO `security_groups` VALUES (1,'Default'),(6,'CORBIN3_a'),(12,'PC3_a'),(7,'PC1_a'),(8,'MENTASM_a'),(9,'CORBIN2_a'),(10,'RAISTLIN_a'),(11,'PC4_a'),(13,'PC2_a');
/*!40000 ALTER TABLE `security_groups` ENABLE KEYS */;
UNLOCK TABLES;
/*!40103 SET TIME_ZONE=@OLD_TIME_ZONE */;
/*!40101 SET SQL_MODE=@OLD_SQL_MODE */;
/*!40014 SET FOREIGN_KEY_CHECKS=@OLD_FOREIGN_KEY_CHECKS */;
/*!40014 SET UNIQUE_CHECKS=@OLD_UNIQUE_CHECKS */;
/*!40101 SET CHARACTER_SET_CLIENT=@OLD_CHARACTER_SET_CLIENT */;
/*!40101 SET CHARACTER_SET_RESULTS=@OLD_CHARACTER_SET_RESULTS */;
/*!40101 SET COLLATION_CONNECTION=@OLD_COLLATION_CONNECTION */;
/*!40111 SET SQL_NOTES=@OLD_SQL_NOTES */;
-- Dump completed on 2006-11-06 20:47:39

71
scstadmin/init.d/scst Executable file
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#!/bin/sh
PATH=/bin:/usr/bin:/sbin:/usr/sbin:/usr/local/sbin:/usr/local/bin
SCST_CMD=/usr/local/sbin/scstadmin
SCST_CFG=/etc/scst.conf
# Modules to load/unload
SCST_MODULES="scst_fileio scst_disk scst_cdrom"
OPTIONS=""
test -x $SCST_CMD -a -f $SCST_CFG || exit 0
case "$1" in
start)
echo -n "Loading and configuring SCSI Target Mid-level: scst "
modprobe qla2x00tgt || { echo "[qla2x00tgt failed]" ; exit 1 ; }
for module in ${SCST_MODULES}; do
modprobe ${module} || { echo "[${module} failed]" ; exit 1 ; }
done
$SCST_CMD -config $SCST_CFG
RC=$?
if [ $RC -ne 0 ];
then
echo "[config failed]"
fi
echo "."
;;
stop)
echo -n "Stopping SCSI Target Mid-level: scst "
for module in ${SCST_MODULES}; do
rmmod ${module} || { echo "[${module} failed]" ; }
done
rmmod qla2x00tgt || { echo "[qla2x00tgt failed]" ; }
rmmod scsi_tgt || { echo "[scsi_tgt failed]" ; }
echo "."
;;
force-reload|restart)
$0 stop
sleep 1
$0 start
;;
reload-config)
echo -n "Reloading configuration: scst "
$SCST_CMD -config $SCST_CFG
RC=$?
if [ $RC -ne 0 ];
then
echo "[config failed]"
fi
echo "."
;;
*)
echo "Usage: /etc/init.d/scst {start|stop|restart|force-reload|reload-config}"
exit 1
esac
exit 0

51
scstadmin/scst.conf Normal file
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# SCST Configurator v0.2
# Handler devices
[HANDLER disk]
# DEVICE <H:C:I:L>
[HANDLER disk_fileio]
# DEVICE <vname>,<path>,<WRITE_THROUGH|READ_ONLY|O_DIRECT|NV_CACHE|NULLIO>,<block size>
DEVICE DISK01,/tmp/test1.dsk,READ_ONLY|WRITE_THROUGH
DEVICE DISK02,/tmp/test2.dsk
DEVICE DISK03,/tmp/test3.dsk,O_DIRECT
DEVICE DISK04,/tmp/test4.dsk,,512
[HANDLER disk_perf]
[HANDLER cdrom]
# DEVICE <H:C:I:L>
[HANDLER changer]
# DEVICE <H:C:I:L>
[HANDLER modisk]
# DEVICE <H:C:I:L>
[HANDLER modisk_perf]
[HANDLER tape]
# DEVICE <H:C:I:L>
[HANDLER tape_perf]
# Security Group
[GROUP Test]
# USER <user>
USER 50060b000001369d
# Device Assignments
[ASSIGNMENT Test]
# DEVICE <device>,<vlun>
DEVICE DISK01,0
DEVICE DISK02,1
DEVICE DISK03
# Target to enable
[TARGETS enable]
HOST 50:06:0B:00:00:39:71:78
HOST host4
# Targets to disable
[TARGETS disable]
HOST host5

556
scstadmin/scst_db/scst_db Executable file
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#!/usr/bin/perl
$Version = 'SCST DB Configurator v0.51';
# Configures SCST
#
# Written by Mark R. Buechler 12/07/04
sub usage
{
die <<"EndUsage";
$Version
Usage:
General Operations
-config <config> : Configure SCST given the specified configuration file.
-check : Check database configuration against current configuration.
Options
-ForceConfig : Force all confuration changes, even deletions (DANGER!).
Debugging (limited support)
-debug : Debug mode - don\'t do anything destructive.
Examples:
Configure SCST:
scst_db config scst_db.conf
EndUsage
}
use SCST::SCST;
use Getopt::Long;
use IO::Handle;
use IO::File;
use DBI;
use POSIX;
use strict;
my $_DEF_CONFIG_ = '/etc/scst_db.conf';
my $TRUE = 1;
my $FALSE = 0;
my $_MAX_LUNS_ = 255;
my $_DEFAULT_GROUP_ = 'Default';
my $_MDADM_ = '/sbin/mdadm';
my $_MDSTAT_ = '/proc/mdstat';
my $_MD_DEV_ = '/dev/';
my $SCST;
my $DEVICES;
my %USERS;
my %ASSIGNMENTS;
my %HANDLERS;
my %GROUPS;
my $_DEBUG_;
my %MD_DEVICES;
my %_HANDLER_MAP_ = ('cdrom' => $SCST::SCST::CDROM_TYPE,
'changer' => $SCST::SCST::CHANGER_TYPE,
'disk' => $SCST::SCST::DISK_TYPE,
'disk_fileio' => $SCST::SCST::DISKFILE_TYPE,
'cdrom_fileio' => $SCST::SCST::CDROMFILE_TYPE,
'disk_perf' => $SCST::SCST::DISKPERF_TYPE,
'modisk' => $SCST::SCST::MODISK_TYPE,
'modisk_perf' => $SCST::SCST::MODISKPERF_TYPE,
'tape' => $SCST::SCST::TAPE_TYPE,
'tape_perf' => $SCST::SCST::TAPEPERF_TYPE);
my %_REVERSE_MAP_ = ($SCST::SCST::CDROM_TYPE => 'cdrom',
$SCST::SCST::CHANGER_TYPE => 'changer',
$SCST::SCST::DISK_TYPE => 'disk',
$SCST::SCST::DISKFILE_TYPE => 'disk_fileio',
$SCST::SCST::CDROMFILE_TYPE => 'cdrom_fileio',
$SCST::SCST::DISKPERF_TYPE => 'disk_perf',
$SCST::SCST::MODISK_TYPE => 'modisk',
$SCST::SCST::MODISKPERF_TYPE => 'modisk_perf',
$SCST::SCST::TAPE_TYPE => 'tape',
$SCST::SCST::TAPEPERF_TYPE => 'tape_perf');
$SIG{INT} = \&commitSuicide;
POSIX::setsid();
&main();
sub getArgs {
my $applyConfig;
my $checkConfig;
my $forceConfig;
my $p = new Getopt::Long::Parser;
if (!$p->getoptions('config:s' => \$applyConfig,
'check' => \$checkConfig,
'ForceConfig' => \$forceConfig,
'debug' => \$_DEBUG_)) {
&usage();
}
$applyConfig = $_DEF_CONFIG_ if (defined($applyConfig) && !$applyConfig);
$forceConfig = $TRUE if (defined($forceConfig));
return ($applyConfig, $checkConfig, $forceConfig);
}
sub main {
my $rc;
STDOUT->autoflush(1);
# We need to run as root
if ( $> ) {die("This program must run as root.\n");}
my ($config, $check, $force) = getArgs();
$SCST = new SCST::SCST($_DEBUG_);
readCurrentConfig();
scanDevices();
SWITCH: {
$config && do {
$rc = applyConfiguration($config, $force, $check);
last SWITCH;
};
print "No valid operations specified.\n";
usage();
exit $TRUE;
}
print "All done.\n";
exit $rc;
}
sub readCurrentConfig {
print "Collecting current configuration.. ";
my $eHandlers = $SCST->handlers();
foreach my $handler (@{$eHandlers}) {
$HANDLERS{$handler}++; # For quick lookups
}
$DEVICES = $SCST->devices();
my $_eGroups = $SCST->groups();
foreach my $group (@{$_eGroups}) {
$GROUPS{$group}++; # For quick lookups
$ASSIGNMENTS{$group} = $SCST->groupDevices($group);
my $eUsers = $SCST->users($group);
foreach my $user (@{$eUsers}) {
$USERS{$group}->{$user}++; # For quick lookups
}
}
print "done.\n";
}
sub scanDevices {
my $ch = new IO::Handle;
print "Scanning available system devices.. ";
my $mdstat = new IO::File $_MDSTAT_, O_RDONLY;
die("FATAL: Unable to gather a list of available md devices.\n") if (!$mdstat);
while (my $line = <$mdstat>) {
if ($line =~ /^md/) {
my($md, undef) = split(/\:/, $line);
$md = cleanupString($md);
$md = $_MD_DEV_.$md;
open $ch, "$_MDADM_ --detail $md -b|" or
die("FATAL: Unable to gather information for md device $md.\n");
my $buffer = <$ch>;
chomp $buffer;
close $ch;
my(undef, $uuid_t) = split(/UUID\=/, $buffer);
$uuid_t = cleanupString($uuid_t);
$MD_DEVICES{$uuid_t} = $md;
}
}
print "done.\n";
}
sub applyConfiguration {
my $confile = shift;
my $force = shift;
my $check = shift;
my $config = readConfig($confile);
my $errs;
my $changes = 0;
my $database = $$config{'DATABASE'}->{'default'}->{'NAME'};
my $user = $$config{'DATABASE'}->{'default'}->{'USERNAME'};
my $password = $$config{'DATABASE'}->{'default'}->{'PASSWORD'};
my $hostname = $$config{'DATABASE'}->{'default'}->{'HOST'};
my $db = DBI->connect("DBI:mysql:database=$database;host=$hostname", "$user", "$password");
my $sth = $db->prepare("SELECT device_id, device_path, options, blocksize, type_id, perf_id, md_uuid, handler_name ".
"FROM devices, scst_handlers ".
"WHERE devices.scst_handlr_id = scst_handlers.scst_handlr_id ".
"ORDER BY device_id");
die("FATAL: Unable to obtain list of devices: ".$sth->errstr."\n") if (!$sth->execute());
# Open new devices and assign them to handlers..
while (my $ref = $sth->fetchrow_hashref()) {
if (!$HANDLERS{$_HANDLER_MAP_{$ref->{'handler_name'}}}) {
print "WARNING: Handler '".$ref->{'handler_name'}."' does not exist.\n";
$errs += 1;
next;
}
my $vname = translateDeviceName($ref->{'device_id'}, $ref->{'type_id'}, $ref->{'perf_id'});
next if (defined($$DEVICES{$vname}));
my $options = $ref->{'options'};
$options =~ s/\s+//; $options =~ s/\|/,/;
if ($ref->{'md_uuid'}) {
print "Using UUID for device ".$ref->{'device_id'}." ($vname).\n";
my $handler = $ref->{'handler_name'};
my $uuid = findMDDevice($ref->{'md_uuid'});
my $blocksize = $ref->{'blocksize'};
$changes++;
if ($check) {
print "\t-> New device '$handler:$vname', UUID: '$uuid', ".
"Options: '$options' Blocksize: $blocksize.\n";
} else {
$errs += addDevice($handler, $vname, $uuid, $options, $blocksize);
}
} elsif ($ref->{'device_path'}) {
print "Using path for device ".$ref->{'device_id'}." ($vname).\n";
my $handler = $ref->{'handler_name'};
my $path = $ref->{'device_path'};
my $blocksize = $ref->{'blocksize'};
$changes++;
if ($check) {
print "\t-> New device '$handler:$vname', Path: '$path', ".
"Options: '$options', Blocksize: $blocksize.\n";
} else {
$errs += addDevice($handler, $vname, $path, $options, $blocksize);
}
} else {
print "FATAL: No UUID or path configured for device ".$ref->{'device_id'}." ($vname).\n";
$errs += 1;
next;
}
}
my $sth = $db->prepare("SELECT group_id, group_name FROM security_groups");
die("FATAL: Unable to obtain list of groups: ".$sth->errstr."\n") if (!$sth->execute());
# Create new groups and add users..
while (my $ref = $sth->fetchrow_hashref()) {
if (!defined($GROUPS{$ref->{'group_name'}})) {
my $group = $ref->{'group_name'};
$changes++;
if ($check) {
print "\t-> New group definition '$group'.\n";
} else {
$errs += addGroup($group);
}
}
}
my $sth = $db->prepare("SELECT group_name, user_id ".
"FROM group_users, security_groups ".
"WHERE security_groups.group_id = group_users.group_id");
die("FATAL: Unable to obtain list of users: ".$sth->errstr."\n") if (!$sth->execute());
while (my $ref = $sth->fetchrow_hashref()) {
if (!defined($USERS{$ref->{'group_name'}}->{$ref->{'user_id'}})) {
my $group = $ref->{'group_name'};
my $user = $ref->{'user_id'};
$changes++;
if ($check) {
print "\t-> New user definition '$user' for group '$group'.\n";
} else {
$errs += addUser($group, $user);
}
}
}
my $sth_a = $db->prepare("SELECT device_id, type_id, group_name, host_id, target_id, target_lun ".
"FROM assignments, security_groups ".
"WHERE assignments.group_id = security_groups.group_id");
die("FATAL: Unable to obtain list of assignments: ".$sth_a->errstr."\n") if (!$sth_a->execute());
# Assign new devices to groups..
while (my $ref_a = $sth_a->fetchrow_hashref()) {
if (!defined($GROUPS{$ref_a->{'group_name'}})) {
print "WARNING: Unable to assign to non-existant group '".$ref_a->{'group_name'}."'.\n";
$errs += 1;
next;
}
my $sth_d = $db->prepare("SELECT type_id, perf_id FROM devices ".
"WHERE device_id = ".$ref_a->{'device_id'}." ".
"AND type_id = '".$ref_a->{'type_id'}."'");
die("FATAL: Unable to obtain list of device information: ".$sth_d->errstr."\n") if (!$sth_d->execute());
my $ref_d = $sth_d->fetchrow_hashref();
my $vname = translateDeviceName($ref_a->{'device_id'}, $ref_d->{'type_id'}, $ref_d->{'perf_id'});
my $_assignments = $ASSIGNMENTS{$ref_a->{'group_name'}};
next if (defined($$_assignments{$vname}));
my $group = $ref_a->{'group_name'};
my $lun = $ref_a->{'target_lun'};
$changes++;
if ($check) {
print "\t-> New device assignment '$vname' for group '$group' at LUN $lun.\n";
} else {
$errs += assignDevice($group, $vname, $lun);
}
}
print "Encountered $errs error(s) while processing.\n" if ($errs);
undef $db;
if ($check) {
print "Configuration checked, $changes difference(s) found with current configuation.\n";
} else {
print "Configuration applied.\n";
}
return $TRUE if ($errs);
return $FALSE;
}
sub addDevice {
my $handler = shift;
my $device = shift;
my $path = shift;
my $options = shift;
$options =~ s/\,/ /;
my $_handler = $_HANDLER_MAP_{$handler};
if (defined($$DEVICES{$device})) {
print "WARNING: Device '$device' already defined.\n";
return $TRUE;
}
print "Opening virtual device '$device' at path '$path' using handler '$handler'..\n";
if ($SCST->openDevice($_handler, $device, $path, $options)) {
print "WARNING: Failed to open virtual device '$device' at path '$path' (Options: $options).\n";
return $TRUE;
}
$$DEVICES{$device} = $_handler;
return $FALSE;
}
sub addGroup {
my $group = shift;
if (defined($GROUPS{$group})) {
print "WARNING: Group '$group' already exists.\n";
return $TRUE;
}
print "Creating security group '$group'..\n";
if ($SCST->addGroup($group)) {
print "WARNING: Failed to create security group '$group'.\n";
return $TRUE;
}
$GROUPS{$group}++;
return $FALSE;
}
sub addUser {
my $group = shift;
my $user = shift;
if (!defined($GROUPS{$group})) {
print "WARNING: Failed to add user '$user' to group '$group', group does not exist.\n";
return $TRUE;
}
if (defined($USERS{$group}->{$user})) {
print "WARNING: User '$user' already exists in security group '$group'.\n";
return $TRUE;
}
print "Adding user '$user' to security group '$group'..\n";
if ($SCST->addUser($user, $group)) {
print "WARNING: Failed to add user '$user' to security group '$group'.\n";
return $TRUE;
}
$USERS{$group}->{$user}++;
return $FALSE;
}
sub assignDevice {
my $group = shift;
my $device = shift;
my $lun = shift;
my %allLuns;
# Put luns into something easier to parse..
foreach my $_group (keys %ASSIGNMENTS) {
my $_gAssigns = $ASSIGNMENTS{$_group};
foreach my $_device (keys %{$_gAssigns}) {
@{$allLuns{$_group}}[$$_gAssigns{$_device}] = $_device;
}
}
# Use the next available LUN if none specified
if ($lun !~ /\d+/) {
$lun = ($#{$allLuns{$group}} + 1);
if ($lun > $_MAX_LUNS_) {
print "ERROR: Unable to use next available LUN of $lun, lun out of range.\n";
return $TRUE;
}
print "Device '$device': Using next available LUN of $lun for group '$group'.\n";
}
if (($lun < 0) || ($lun > $_MAX_LUNS_)) {
print "ERROR: Unable to assign device '$device', lun '$lun' is out of range.\n";
return $TRUE;
}
if (!defined($$DEVICES{$device})) {
print "WARNING: Unable to assign non-existant device '$device' to group '$group'.\n";
return $TRUE;
}
if (@{$allLuns{$group}}[$lun]) {
print "ERROR: Device '$device': Lun '$lun' is already assigned to device '".@{$allLuns{$group}}[$lun]."'.\n";
return $TRUE;
}
print "Assign virtual device '$device' to group '$group' at LUN '$lun'..\n";
if ($SCST->assignDeviceToGroup($device, $group, $lun)) {
print "WARNING: Failed to assign device '$device' to group '$group'.\n";
return $TRUE;
}
if (!defined($ASSIGNMENTS{$group})) {
my %assignments_t;
$ASSIGNMENTS{$group} = \%assignments_t;
}
my $_assignments = $ASSIGNMENTS{$group};
$$_assignments{$device} = $lun;
return $FALSE;
}
sub readConfig {
my $confile = shift;
my %config;
my $section;
my $arg;
my $io = new IO::File $confile, O_RDONLY;
die("FATAL: Unable to open specified configuration file $confile: $!\n") if (!$io);
while (my $line = <$io>) {
($line, undef) = split(/\#/, $line, 2);
$line = cleanupString($line);
if ($line =~ /^\[(.*)\]$/) {
($section, $arg) = split(/\s+/, $1, 2);
} elsif ($section && $arg && $line) {
my($parameter, $value) = split(/\s+/, $line, 2);
$config{$section}->{$arg}->{$parameter} = $value;
}
}
close $io;
return \%config;
}
sub findMDDevice {
my $uuid = shift;
return $MD_DEVICES{$uuid};
}
sub translateDeviceName {
my $device_id = shift;
my $type_id = shift;
my $perf_id = shift;
my $device_id = sprintf("%lx", $device_id);
my $device_id_t = $device_id;
for (my $t = length($device_id); $t <= 2; $t++) {
$device_id_t = "0$device_id_t";
}
$device_id = $device_id_t;
return $type_id.$perf_id.$device_id;
}
sub cleanupString {
my $string = shift;
$string =~ s/^\s+//;
$string =~ s/\s+$//;
return $string;
}
# Hey! Stop that!
sub commitSuicide {
print "\n\nBut I haven\'t finished yet!\n";
exit 1;
}

8
scstadmin/scst_db/scst_db.conf Normal file
View File

@@ -0,0 +1,8 @@
# SCST DB Configurator v0.1
# Database definition
[DATABASE default]
NAME scst
USERNAME scst
PASSWORD
HOST localhost

115
scstadmin/scst_db/scst_schema.sql Normal file
View File

@@ -0,0 +1,115 @@
-- MySQL dump 10.10
--
-- Host: localhost Database: scst
-- ------------------------------------------------------
-- Server version 5.0.26-Debian_1-log
/*!40101 SET @OLD_CHARACTER_SET_CLIENT=@@CHARACTER_SET_CLIENT */;
/*!40101 SET @OLD_CHARACTER_SET_RESULTS=@@CHARACTER_SET_RESULTS */;
/*!40101 SET @OLD_COLLATION_CONNECTION=@@COLLATION_CONNECTION */;
/*!40101 SET NAMES utf8 */;
/*!40103 SET @OLD_TIME_ZONE=@@TIME_ZONE */;
/*!40103 SET TIME_ZONE='+00:00' */;
/*!40014 SET @OLD_UNIQUE_CHECKS=@@UNIQUE_CHECKS, UNIQUE_CHECKS=0 */;
/*!40014 SET @OLD_FOREIGN_KEY_CHECKS=@@FOREIGN_KEY_CHECKS, FOREIGN_KEY_CHECKS=0 */;
/*!40101 SET @OLD_SQL_MODE=@@SQL_MODE, SQL_MODE='NO_AUTO_VALUE_ON_ZERO' */;
/*!40111 SET @OLD_SQL_NOTES=@@SQL_NOTES, SQL_NOTES=0 */;
--
-- Table structure for table `assignments`
--
DROP TABLE IF EXISTS `assignments`;
CREATE TABLE `assignments` (
`device_id` int(8) NOT NULL default '0',
`type_id` char(2) default NULL,
`group_id` int(4) NOT NULL default '0',
`host_id` int(2) NOT NULL default '0',
`target_id` int(2) NOT NULL default '0',
`target_lun` int(3) NOT NULL default '0',
PRIMARY KEY (`device_id`,`group_id`,`host_id`,`target_id`,`target_lun`)
) ENGINE=MyISAM DEFAULT CHARSET=latin1;
--
-- Table structure for table `device_types`
--
DROP TABLE IF EXISTS `device_types`;
CREATE TABLE `device_types` (
`type_id` char(2) NOT NULL default '',
`type_name` char(100) NOT NULL default '',
PRIMARY KEY (`type_id`)
) ENGINE=MyISAM DEFAULT CHARSET=latin1;
--
-- Table structure for table `devices`
--
DROP TABLE IF EXISTS `devices`;
CREATE TABLE `devices` (
`device_id` int(8) NOT NULL default '0',
`type_id` char(2) NOT NULL default '',
`perf_id` char(3) NOT NULL default '',
`md_uuid` char(40) default NULL,
`device_path` char(100) default NULL,
`options` char(50) default NULL,
`blocksize` int(6) default NULL,
`scst_handlr_id` int(2) NOT NULL default '0',
PRIMARY KEY (`device_id`,`type_id`)
) ENGINE=MyISAM AUTO_INCREMENT=29 DEFAULT CHARSET=latin1;
--
-- Table structure for table `group_users`
--
DROP TABLE IF EXISTS `group_users`;
CREATE TABLE `group_users` (
`group_id` int(16) NOT NULL default '0',
`user_id` char(32) NOT NULL default '',
PRIMARY KEY (`group_id`,`user_id`)
) ENGINE=MyISAM DEFAULT CHARSET=latin1;
--
-- Table structure for table `perf_types`
--
DROP TABLE IF EXISTS `perf_types`;
CREATE TABLE `perf_types` (
`perf_id` char(3) NOT NULL default '',
`perf_name` char(100) NOT NULL default '',
PRIMARY KEY (`perf_id`)
) ENGINE=MyISAM DEFAULT CHARSET=latin1;
--
-- Table structure for table `scst_handlers`
--
DROP TABLE IF EXISTS `scst_handlers`;
CREATE TABLE `scst_handlers` (
`scst_handlr_id` int(2) NOT NULL default '0',
`handler_name` char(32) NOT NULL default '',
`autoload` enum('N','Y') NOT NULL default 'N',
PRIMARY KEY (`scst_handlr_id`)
) ENGINE=MyISAM DEFAULT CHARSET=latin1;
--
-- Table structure for table `security_groups`
--
DROP TABLE IF EXISTS `security_groups`;
CREATE TABLE `security_groups` (
`group_id` int(4) NOT NULL auto_increment,
`group_name` char(100) NOT NULL default '',
PRIMARY KEY (`group_id`)
) ENGINE=MyISAM AUTO_INCREMENT=14 DEFAULT CHARSET=latin1;
/*!40103 SET TIME_ZONE=@OLD_TIME_ZONE */;
/*!40101 SET SQL_MODE=@OLD_SQL_MODE */;
/*!40014 SET FOREIGN_KEY_CHECKS=@OLD_FOREIGN_KEY_CHECKS */;
/*!40014 SET UNIQUE_CHECKS=@OLD_UNIQUE_CHECKS */;
/*!40101 SET CHARACTER_SET_CLIENT=@OLD_CHARACTER_SET_CLIENT */;
/*!40101 SET CHARACTER_SET_RESULTS=@OLD_CHARACTER_SET_RESULTS */;
/*!40101 SET COLLATION_CONNECTION=@OLD_COLLATION_CONNECTION */;
/*!40111 SET SQL_NOTES=@OLD_SQL_NOTES */;
-- Dump completed on 2006-11-06 20:47:29

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