/ 
AFS-Command-1.2
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/ AFS::Command::FS

NAME

AFS::Command::FS - OO API to the AFS fs command

SYNOPSIS

use AFS::Command::FS;

my $fs = AFS::Command::FS->new();

my $fs = AFS::Command::FS->new
  (
   command			=> $path_to_your_fs_binary,
  );

DESCRIPTION

This module implements an OO API wrapper around the AFS 'fs' command. The supported methods depend on the version of the fs binary used, and are determined automagically.

METHODS -- Inherited

All of the following methods are inherited from the AFS::Command::Base class. See that documentation for details.

new
errors
supportsOperation
supportsArgument

METHODS (with complex return values)

NOTE: Error checking for commands that accept a list of paths

A number of these methods accept a list of paths, and will return information for each path, individually. If you specify a non-existent path, or one which is not in AFS, then the fs command returns a non-zero exist status, which normally would mean the command failed.

If you specify a list of paths to this API, and one or more of them result in errors, the API call is still considered to succeed, as long as we can determine the error for each path specified. The API will still return an AFS::Object::CacheManager object, which contains a set of AFS::Object::Path object, for each path specified in the arguments, as long as we saw some kind of output from the fs commands for each path.

Each AFS::Object::Path object must be examined to determine the success of failure for that individual path. When errors were encountered for any given path, then the objects will have an "error" attribute, and nothing else (no other data attributes, except the path itself).

This holds true for the following API methods: diskfree, examine, listquota, quota, storebehind, whereis, whichcell, and listacl.

checkservers

Arguments

The fs help string is:

    fs checkservers: check local cell's servers
    Usage: fs checkservers [-cell <cell to check>] [-all] [-fast]
			   [-interval <seconds between probes>]
    Where: -all   check all cells
	   -fast  just list, don't check

The corresponding method invocation looks like:

my $result = $fs->checkservers
  (
   # Optional arguments
   cell			=> $cell,
   interval			=> $interval,
   all			=> 1,
   fast			=> 1,
  );
Return Values

This method returns an AFS::Object::CacheManager object, which contains one or more attributes.

my $result = $fs->checkservers() || die $fs->errors();
my @servers = $result->servers();
foreach my $server ( @servers ) {
    print "Server $server appears to be down\n";
}

The object has the following attributes:

    Attributes			Values
    ----------			------
    servers			ARRAY reference of strings, each of which is
				the hostname of a server which is down
    interval			The value of the probe interval, in seconds

Note that the interval attribute is only present of the internal argument was specified, and the servers list will be empty if nothing was down.

diskfree

Arguments

The fs help string is:

fs diskfree: show server disk space usage
Usage: fs diskfree [-path <dir/file path>+]

The corresponding method invocation looks like:

my $result = $fs->diskfree
  (
   # Optional arguments
   path			=> $path, # OR [ $path1, $path2, ... ]
  );
Return Values

This method returns an AFS::Object::CacheManager object, which contains one or more AFS::Object::Path objects, one for each path specified in the arguments.

    my $result = $fs->diskfree
      (
       path		=> [ $afspath, $ufspath, $boguspath ],
      ) || die $fs->errors();
    foreach my $pathobj ( $result->getPaths() ) {
	my $path = $pathobj->path();
	if ( $pathobj->hasAttribute('error') ) {
	    print "Path '$path' has errors '" . $pathobj->error() . "'\n";
	} else {
	    foreach my $attr ( qw( volname used total avail percent ) ) {
		print "Path '$path' has '$attr' of '" . $pathobj->$attr() . "'\n";
	    }
	}
    }

Each of these objects has the following attributes and methods:

AFS::Object::CacheManager

Methods			Returns
-------			-------
getPathNames()		list of strings, each of which is a single pathname
getPaths()			list of AFS::Object::Path objects, one for each path
getPath($pathname)		a single AFS::Object::Path object, for the pathname $pathname

AFS::Object::Path

If errors were encountered for any given path, then its object will have the following attributes:

Attributes			Values
----------			------
path			The pathname
error			The error string for that path

If no errors were encountered, then the following attributes will be present:

Attributes			Values
----------			------
path			The pathname
volname			The AFS volume name that contains the pathname
total			The size (in KB) of the partition that conatins 'volname'
used			The amount of space (in KB) used on that partition
avail			The amount of space (in KB) available on that partition
percent			The amount of space used, as a percentage

examine

Arguments

The fs help string is:

fs examine: display volume status
Usage: fs examine [-path <dir/file path>+]

The corresponding method invocation looks like:

my $result = $fs->examine
  (
   # Optional arguments
   path			=> $path, # OR [ $path1, $path2, ... ]
  );
Return Values

This method returns an AFS::Object::CacheManager object, which contains one or more AFS::Object::Path objects, one for each path specified in the arguments.

    my $result = $fs->examine
      (
       path		=> [ $afspath, $ufspath, $boguspath ],
      ) || die $fs->errors();
    foreach my $pathobj ( $result->getPaths() ) {
	my $path = $pathobj->path();
	if ( $pathobj->hasAttribute('error') ) {
	    print "Path '$path' has errors '" . $pathobj->error() . "'\n";
	} else {
	    foreach my $attr ( qw( id volname quota used avail total ) ) {
		print "Path '$path' has '$attr' of '" . $pathobj->$attr() . "'\n";
	    }
	}
    }

Each of these objects has the following attributes and methods:

AFS::Object::CacheManager

Methods			Returns
-------			-------
getPathNames()		list of strings, each of which is a single pathname
getPaths()			list of AFS::Object::Path objects, one for each path
getPath($pathname)		a single AFS::Object::Path object, for the pathname $pathname

AFS::Object::Path

If errors were encountered for any given path, then its object will have the following attributes:

Attributes			Values
----------			------
path			The pathname
error			The error string for that path

If no errors were encountered, then the following attributes will be present:

Attributes			Values
----------			------
path			The pathname
volname			The AFS volume name that contains the pathname
id				The numerical volume ID of the above volume
total			The size (in KB) of the partition that conatins 'volname'
used			The amount of space (in KB) used on that partition
avail			The amount of space (in KB) available on that partition
quota			The quota of the volume (in KB), or 0 if set to "unlimited"

exportafs

Arguments

The fs help string is:

    fs exportafs: enable/disable translators to AFS
    Usage: fs exportafs -type <exporter name> [-start <start/stop translator (on | off)>]
		       [-convert <convert from afs to unix mode (on | off)>]
		       [-uidcheck <run on strict 'uid check' mode (on | off)>]
		       [-submounts <allow nfs mounts to subdirs of /afs/.. (on  | off)>]

The corresponding method invocation looks like:

my $result = $fs->exportafs
  (
   # Required arguments
   type			=> $type,	# 'nfs' is the only supported value
   # Optional arguments
   start			=> $start,	# 'on' or 'off'
   convert			=> $convert,	# 'on' or 'off'
   uidcheck			=> $uidcheck,	# 'on' or 'off'
   submounts		=> $submounts,	# 'on' or 'off'
  );

NOTE: In a future release, the 4 optional arguments will probably take boolean values, with "off" being a special case that means false, in order to simply the interface (and be backwards compatible).

Return Values

This method returns an AFS::Object::CacheManager object with one or more attributes.

    my $result = $fs->exportafs
      (
       type			=> 'nfs',
       start			=> 'on',
      ) || die $fs->errors();
    foreach my $attr ( qw( convert uidcheck submounts ) ) {
	print "Translator has '$attr' set to '" . $result->$attr() . "'\n";
    }

The object has the following attribute:

AFS::Object::CacheManager

Attributes			Values
----------			------
enabled			Boolean, true means the translator is on, false means off
convert			Boolean, true means mode bits are converted from AFS to UNIX, false means off
uidcheck			Boolean, true means strict uid checking mode is on, false means off
submounts			Boolean, true means mounts of subdirs are allowed, false means disallowed

getcacheparms

Arguments

The fs help string is:

fs getcacheparms: get cache usage info
Usage: fs getcacheparms

The corresponding method invocation looks like:

my $result = $fs->getcacheparms();
Return Values

This method returns an AFS::Object::CacheManager object with one or more attributes.

my $result = $fs->getcacheparms() || die $fs->errors();
my $used = $result->used();
my $avail = $result->avail();
print "Cache is using $used KB of $availa KB available\n";

The object has the following attributes:

AFS::Object::CacheManager

Attributes			Values
----------			------
used			Number of KB of the AFS cache in use
avail			Size of the AFS cache, in KB

getcellstatus

Arguments

The fs help string is:

fs getcellstatus: get cell status
Usage: fs getcellstatus -cell <cell name>+

The corresponding method invocation looks like:

my $result = $fs->getcellstatus
  (
   # Required arguments
   cell			-> $cell, # OR [ $cell1, $cell2, ... ]
  );
Return Values

This method returns an AFS::Object::CacheManager object which contains one or more AFS::Object::Cell objects.

    my $result = $fs->getcellstatus
      (
       cell			=> [ $cell1 , $cell2 ],
      ) || die $fs->errors();
    foreach my $cellobj ( $result->getCells() ) {
	my $cell = $cellobj->cell();
	if ( $cellobj->status() ) {
	    print("This client allows setuid binaries from cell '$cell'\n";
	} else {
	    print("This client does NOT allow setuid binaries from cell '$cell'\n";
	}
    }

The objects have the following attributes and methods:

AFS::Object::CacheManager

Methods			Returns
-------			-------
getCellNames()		list of cell names
getCells()			list of AFS::Object::Cell objects
getCell($cell)		the AFS::Object::Cell object for cell $cell

AFS::Object::Cell

    Attributes			Values
    ----------			------
    cell			AFS cell name
    status			Boolean, true indicating setuid/gid bits are allowed,
				false indicating they are not

getclientaddrs

Arguments

The fs help string is:

fs getclientaddrs: get client network interface addresses
Usage: fs getclientaddrs

The corresponding method invocation looks like:

my $result = $fs->getclientaddrs();
Return Values

This method returns an AFS::Object::CacheManager object with one attribute.

    my $result = $fs->getclientaddrs() || die $fs->errors();
    print "This client has the following addressed configured for AFS:\n";
    foreach my $address ( @{$result->addresses()} ) {
	print "\t$address\n";
    }

The object has the following attribute:

AFS::Object::CacheManager

Attributes			Values
----------			------
addresses			ARRAY reference of IP addresses

getcrypt

Arguments

The fs help string is:

fs getcrypt: set cache manager encryption flag
Usage: fs getcrypt

The corresponding method invocation looks like:

my $result = $fs->getcrypt();
Return Values

This method returns an AFS::Object::CacheManager object with one attribute.

my $result = $fs->getcrypt() || die $fs->errors();
print "This client has encryption turned " . ( $result->crypt() ? "on" : "off" ) . "\n";

The object has the following attribute:

AFS::Object::CacheManager

Attributes			Values
----------			------
crypt			Boolean, indicating whether or not encryption is enabled

getserverprefs

Arguments

The fs help string is:

    fs getserverprefs: get server ranks
    Usage: fs getserverprefs [-file <output to named file>] [-numeric] [-vlservers]
    Where: -numeric    addresses only
	   -vlservers  VL servers

The corresponding method invocation looks like:

my $result = $fs->getserverprefs
  (
   # Optional arguments
   file			=> $file,
   numeric			=> 1,
   vlservers		=> 1,
  );
Return Values

This method returns an AFS::Object::CacheManager object which contains one or more AFS::Object::Server objects.

    my $result = $fs->getserverprefs() || die $fs->errors();
    foreach my $serverobj ( $result->getServers() ) {
	my $server = $serverobj->server();
	my $pref = $serverobj->preference();
	print "Server '$server' has preference '$preference'\n";
    }

The objects have the following attributes and methods:

AFS::Object::CacheManager

Methods			Returns
-------			-------
getServerNames()		list of server hostnames (or addresses)
getServers()		list of AFS::Object::Server objects
getServer($server)		the AFS::Object::Server object for server $server

AFS::Object::Server

Attributes			Values
----------			------
server			Hostname or IP address of the server
preference			Numeric preference value

listacl

Arguments

The fs help string is:

    fs listacl: list access control list
    Usage: fs listacl [-path <dir/file path>+] [-id] [-if]
    Where: -id  initial directory acl
	   -if  initial file acl

The corresponding method invocation looks like:

my $result = $fs->listacl
  (
   # Required arguments
   path			=> $path, # OR [ $path1, $path2, ... ]
   # Optional arguments
   id			=> 1,
   if			=> 1,
  );
Return Values

This method returns an AFS::Object::CacheManager object, which contains one or more AFS::Object::Path objects, one for each path specified in the arguments. Each AFS::Object::Path object contains one or two AFS::Object::ACL objects (one for normal, and one for negative).

    my $result = $fs->listacl
      (
       path		=> [ $afspath, $ufspath, $boguspath ],
      ) || die $fs->errors();
    foreach my $pathobj ( $result->getPaths() ) {
	my $path = $pathobj->path();
	if ( $pathobj->hasAttribute('error') ) {
	    print "Path '$path' has errors '" . $pathobj->error() . "'\n";
	} else {
	    foreach my $type ( qw( normal negative ) ) {
		my $acl = $pathobj->getACL($type);
		my %entries = $acl->getEntries();
		foreach my $principal ( keys %entries ) {
		    my $rights = $acl->getRights($principal);
		    print "$type rights for $principal are $rights\n";
		}
	    }
	}
    }

The objects have the following attributes and methods:

AFS::Object::CacheManager

Methods			Returns
-------			-------
getPathNames()		list of strings, each of which is a single pathname
getPaths()			list of AFS::Object::Path objects, one for each path
getPath($pathname)		a single AFS::Object::Path object, for the pathname $pathname

AFS::Object::Path

    Methods			Returns
    -------			-------
    getACLNormal()		the AFS::Object::ACL object for the normal rights
    getACLNegative()		the AFS::Object::ACL object for the negative rights
    getACL($type)		the AFS::Object::ACL object for rights of type $type,
				where $type is either 'normal' or 'negative'

AFS::Object::ACL

    Methods			Returns
    -------			-------
    getPrincipals()		a list of the principals (users, groups) on the ACL
    getRights($principal)	the rights (permissions) of the specified $principal
    getEntries()		a list of key/value pairs, where the keys are the principals,
				and the values are the rights for that principal

listaliases

Arguments

The fs help string is:

fs listaliases: list configured cell aliases
Usage: fs listaliases

The corresponding method invocation looks like:

my $result = $fs->listaliases();
Return Values

This method returns an AFS::Object::CacheManager object, which contains one or more AFS::Object::Cell objects.

    my $result = $fs->listaliases() || die $fs->errors();
    foreach my $cellobj ( $result->getCells() ) {
	my $cell = $cellobj->cell();
	my $alias = $cellobj->alias();
	print "Cell '$cell' has alias '$alias'\n";
    }

The objects have the following attributes and methods:

AFS::Object::CacheManager

Methods			Returns
-------			-------
getCellNames()		list of cell names
getCells()			list of AFS::Object::Cell objects
getCell($cell)		the AFS::Object::Cell object for cell $cell

AFS::Object::Cell

Attributes			Values
----------			------
cell			AFS cell name
alias			Alias name for this cell

listcells

Arguments

The fs help string is:

fs listcells: list configured cells
Usage: fs listcells [-numeric]
Where: -numeric  addresses only

The corresponding method invocation looks like:

my $result = $fs->listcells
  (
   # Optional arguments
   numeric			=> 1,
  );
Return Values

This method returns an AFS::Object::CacheManager object, which contains one or more AFS::Object::Cell objects.

    my $result = $fs->listcells() || die $fs->errors();
    foreach my $cellobj ( $result->getCells() ) {
	my $servers = $cellobj->servers();
	print "Cell $cell has servers " . join(" ",@$servers) . "\n";
    }

The objects have the following attributes and methods:

AFS::Object::CacheManager

Methods			Returns
-------			-------
getCellNames()		list of cell names
getCells()			list of AFS::Object::Cell objects
getCell($cell)		the AFS::Object::Cell object for cell $cell

AFS::Object::Cell

    Attributes			Values
    ----------			------
    cell			AFS cell name
    servers			ARRAY reference of strings, each of which is
				the hostname of a server

listquota

Arguments

The fs help string is:

fs listquota: list volume quota
Usage: fs listquota [-path <dir/file path>+]

The corresponding method invocation looks like:

my $result = $fs->listquota
  (
   # Optional arguments
   path			=> $path, # OR [ $path1, $path2, ... ]
  );
Return Values

This method returns an AFS::Object::CacheManager object, which contains one or more AFS::Object::Path objects, one for each path specified in the arguments.

    my $result = $fs->listquota
      (
       path		=> [ $afspath, $ufspath, $boguspath ],
      ) || die $fs->errors();
    foreach my $pathobj ( $result->getPaths() ) {
	my $path = $pathobj->path();
	if ( $pathobj->hasAttribute('error') ) {
	    print "Path '$path' has errors '" . $pathobj->error() . "'\n";
	} else {
	    foreach my $attr ( qw( volname quota used percent partition ) ) {
		print "Path '$path' has '$attr' of '" . $pathobj->$attr() . "'\n";
	    }
	}
    }

Each of these objects has the following attributes and methods:

AFS::Object::CacheManager

Methods			Returns
-------			-------
getPathNames()		list of strings, each of which is a single pathname
getPaths()			list of AFS::Object::Path objects, one for each path
getPath($pathname)		a single AFS::Object::Path object, for the pathname $pathname

AFS::Object::Path

If errors were encountered for any given path, then its object will have the following attributes:

Attributes			Values
----------			------
path			The pathname
error			The error string for that path

If no errors were encountered, then the following attributes will be present:

Attributes			Values
----------			------
path			The pathname
volname			The AFS volume name that contains the pathname
quota			Volume quota, in KB
used			The amount of space (in KB) used in that volume
percent			The percentage of the allocated quota in use
partition			The percentage of space used on the partition where the volume resides

lsmount

Arguments

The fs help string is:

fs lsmount: list mount point
Usage: fs lsmount -dir <directory>+

The corresponding method invocation looks like:

my $result = $fs->lsmount
  (
   # Required arguments
   dir			=> $dir, # OR [ $dir1, $dir2, ... ]
  );
Return Values

This method returns an AFS::Object::CacheManager object, which contains one or more AFS::Object::Path objects, one for each path specified in the arguments.

    my $result = $fs->lsmount
      (
       dir			=> [ $dir1, $dir2 ],
      ) || die $fs->errors();
    foreach my $pathobj ( $result->getPaths() ) {
	my $path = $pathobj->path();
	if ( $pathobj->hasAttribute('error') ) {
	    print "Path '$path' has errors '" . $pathobj->error() . "'\n";
	} else {
            my $volname = $pathobj->volname();
            my $cell = $pathobj->cell();
            print("Path '$path' is a mtpt for volume $volname" .
                  ( $cell ? ", in cell '$cell'\n" : "\n" ));
	}
    }

Each of these objects has the following attributes and methods:

AFS::Object::CacheManager

Methods			Returns
-------			-------
getPathNames()		list of strings, each of which is a single pathname
getPaths()			list of AFS::Object::Path objects, one for each path
getPath($pathname)		a single AFS::Object::Path object, for the pathname $pathname

AFS::Object::Path

If errors were encountered for any given path, then its object will have the following attributes:

Attributes			Values
----------			------
path			The pathname
error			The error string for that path

If no errors were encountered, then the following attributes will always be present:

Attributes			Values
----------			------
path			The pathname
volname			AFS volname in the mount point

The following attributes may or may not be present:

Attributes			Values
----------			------
symlink			Boolean, true if the pathname is a symlink to a mount point
readwrite			Boolean, true if the mount point is explicitly readwrite
cell			AFS cell name in the mount point

quota

Arguments

The fs help string is:

fs quota: show volume quota usage
Usage: fs quota [-path <dir/file path>+]

The corresponding method invocation looks like:

my $result = $fs->quota
  (
   # Optional arguments
   path			=> $path, # OR [ $path1, $path2, ... ]
  );
Return Values

This method returns an AFS::Object::CacheManager object, which contains one or more AFS::Object::Path objects, one for each path specified in the arguments.

    my $result = $fs->quota
      (
       path		=> [ $afspath, $ufspath, $boguspath ],
      ) || die $fs->errors();
    foreach my $pathobj ( $result->getPaths() ) {
	my $path = $pathobj->path();
	if ( $pathobj->hasAttribute('error') ) {
	    print "Path '$path' has errors '" . $pathobj->error() . "'\n";
	} else {
            print "Path '$path' has quota '" . $pathobj->quota() . "'\n";
	}
    }

Each of these objects has the following attributes and methods:

AFS::Object::CacheManager

Methods			Returns
-------			-------
getPathNames()		list of strings, each of which is a single pathname
getPaths()			list of AFS::Object::Path objects, one for each path
getPath($pathname)		a single AFS::Object::Path object, for the pathname $pathname

AFS::Object::Path

If errors were encountered for any given path, then its object will have the following attributes:

Attributes			Values
----------			------
path			The pathname
error			The error string for that path

If no errors were encountered, then the following attributes will be present:

Attributes			Values
----------			------
path			The pathname
quota			The percentage of the allocated quota in use

storebehind

Arguments

The fs help string is:

    fs storebehind: store to server after file close
    Usage: fs storebehind [-kbytes <asynchrony for specified names>]
			  [-files <specific pathnames>+] [-allfiles <new default (KB)>]
			  [-verbose]
    Where: -verbose  show status

The corresponding method invocation looks like:

my $result = $fs->storebehind
  (
   # Optional arguments
   kbytes			=> $kbytes,
   files			=> $file, # OR [ $file1, $file2, ... ]
   allfiles			=> $default,
   verbose			=> 1,
  );
Return Values

This method returns an AFS::Object::CacheManager object, which contains one or more AFS::Object::Path objects, one for each path specified in the arguments.

    my $result = $fs->quota
      (
       path		=> [ $afspath, $ufspath, $boguspath ],
      ) || die $fs->errors();
    foreach my $pathobj ( $result->getPaths() ) {
	my $path = $pathobj->path();
	if ( $pathobj->hasAttribute('error') ) {
	    print "Path '$path' has errors '" . $pathobj->error() . "'\n";
	} else {
	    foreach my $attr ( qw( volname quota used percent partition ) ) {
		print "Path '$path' has '$attr' of '" . $pathobj->$attr() . "'\n";
	    }
	}
    }

Each of these objects has the following attributes and methods:

AFS::Object::CacheManager

Attributes			Values
----------			------
asynchrony			Default value (in KB) of asynchronous writes

Methods			Returns
-------			-------
getPathNames()		list of strings, each of which is a single pathname
getPaths()			list of AFS::Object::Path objects, one for each path
getPath($pathname)		a single AFS::Object::Path object, for the pathname $pathname

AFS::Object::Path

If errors were encountered for any given path, then its object will have the following attributes:

Attributes			Values
----------			------
path			The pathname
error			The error string for that path

If no errors were encountered, then the following attributes will be present:

Attributes			Values
----------			------
path			The pathname
asynchrony			The number of KB of asynchronous writes for this file

sysname

Arguments

The fs help string is:

fs sysname: get/set sysname (i.e. @sys) value
Usage: fs sysname [-newsys <new sysname>+]

The corresponding method invocation looks like:

my $result = $fs->sysname
  (
   # Optional arguments
   newsys			=> $sysname, # OR [ $sysname1, $sysname2, ... ]
  );
Return Values

This method returns an AFS::Object::CacheManager object which has one of two possible attributes.

    my $result = $fs->sysname() || die $fs->errors();
    my $sysname = $result->sysname();
    my $sysnames = $result->sysnames();
    print "This client has a primary sysname of '$sysname'\n";
    if ( ref $sysnames eq 'ARRAY' ) {
	print "This client has a list of sysnames: " . join(" ,",@$sysnames) . "\n";
    }

The object has the following attributes:

AFS::Object::CacheManager

Attributes			Values
----------			------
sysname			The primary sysname of the client
sysnames			An ARRAY reference of sysnames

NOTE: When a list of sysnames has been configured on the client, then the 'sysname' attribute is simnply the first one in the list.

whereis

Arguments

The fs help string is:

fs whereis: list file's location
Usage: fs whereis [-path <dir/file path>+]

The corresponding method invocation looks like:

my $result = $fs->whereis
  (
   # Optional arguments
   path			=> $path, # OR [ $path1, $path2, ... ]
  );
Return Values

This method returns an AFS::Object::CacheManager object, which contains one or more AFS::Object::Path objects, one for each path specified in the arguments.

    my $result = $fs->whereis
      (
       path		=> [ $afspath, $ufspath, $boguspath ],
      ) || die $fs->errors();
    foreach my $pathobj ( $result->getPaths() ) {
	my $path = $pathobj->path();
	if ( $pathobj->hasAttribute('error') ) {
	    print "Path '$path' has errors '" . $pathobj->error() . "'\n";
	} else {
            print "Path '$path' is on hosts " . join(" ,",@{pathobj->hosts()}) . "\n";
	}
    }

Each of these objects has the following attributes and methods:

AFS::Object::CacheManager

Methods			Returns
-------			-------
getPathNames()		list of strings, each of which is a single pathname
getPaths()			list of AFS::Object::Path objects, one for each path
getPath($pathname)		a single AFS::Object::Path object, for the pathname $pathname

AFS::Object::Path

If errors were encountered for any given path, then its object will have the following attributes:

Attributes			Values
----------			------
path			The pathname
error			The error string for that path

If no errors were encountered, then the following attributes will be present:

Attributes			Values
----------			------
path			The pathname
hosts			An ARRAY reference of hostnames

whichcell

Arguments

The fs help string is:

fs whichcell: list file's cell
Usage: fs whichcell [-path <dir/file path>+]

The corresponding method invocation looks like:

my $result = $fs->whichcell
  (
   # Optional arguments
   path			=> $path, # OR [ $path1, $path2, ... ]
  );
Return Values

This method returns an AFS::Object::CacheManager object, which contains one or more AFS::Object::Path objects, one for each path specified in the arguments.

    my $result = $fs->whichcell
      (
       path		=> [ $afspath, $ufspath, $boguspath ],
      ) || die $fs->errors();
    foreach my $pathobj ( $result->getPaths() ) {
	my $path = $pathobj->path();
	if ( $pathobj->hasAttribute('error') ) {
	    print "Path '$path' has errors '" . $pathobj->error() . "'\n";
	} else {
            print "Path '$path' is in cell '" . $pathobj->cell() . "'\n";
	}
    }

Each of these objects has the following attributes and methods:

AFS::Object::CacheManager

Methods			Returns
-------			-------
getPathNames()		list of strings, each of which is a single pathname
getPaths()			list of AFS::Object::Path objects, one for each path
getPath($pathname)		a single AFS::Object::Path object, for the pathname $pathname

AFS::Object::Path

If errors were encountered for any given path, then its object will have the following attributes:

Attributes			Values
----------			------
path			The pathname
error			The error string for that path

If no errors were encountered, then the following attributes will be present:

Attributes			Values
----------			------
path			The pathname
cell			Cell in which the pathname lives

wscell

Arguments

The fs help string is:

fs wscell: list workstation's cell
Usage: fs wscell

The corresponding method invocation looks like:

my $result = $fs->wscell();
Return Values

This method returns an AFS::Object::CacheManager object which has one attribute.

my $result = $fs->wscell() || die $fs->errors();
print "This client lives in cell '" . $result->cell() . "'\n";

The object has the following attribute:

Attributes			Values
----------			------
cell			The AFS cell of the client

METHODS (with simple return values)

checkvolumes

The fs help string is:

fs checkvolumes: check volumeID/name mappings
Usage: fs checkvolumes

The corresponding method invocation looks like:

my $result = $fs->checkvolumes();

cleanacl

The fs help string is:

fs cleanacl: clean up access control list
Usage: fs cleanacl [-path <dir/file path>+]

The corresponding method invocation looks like:

my $result = $fs->cleanacl
  (
   # Optional arguments
   path			=> $path, # OR [ $path1, $path2, ... ]
  );

copyacl

The fs help string is:

    fs copyacl: copy access control list
    Usage: fs copyacl -fromdir <source directory (or DFS file)>
		      -todir <destination directory (or DFS file)>+
		      [-clear] [-id] [-if]
    Where: -clear  first clear dest access list
	   -id     initial directory acl
	   -if     initial file acl

The corresponding method invocation looks like:

my $result = $fs->copyacl
  (
   # Required arguments
   fromdir			=> $fromdir,
   todir			=> $todir, # OR [ $todir1, $todir2, ... ]
   # Optional arguments
   clear			=> 1,
   id			=> 1,
   if			=> 1,
  );

flush

The fs help string is:

fs flush: flush file from cache
Usage: fs flush [-path <dir/file path>+]

The corresponding method invocation looks like:

my $result = $fs->flush
  (
   # Optional arguments
   path			=> $path, # OR [ $path1, $path2, ... ]
  );

flushmount

The fs help string is:

fs flushmount: flush mount symlink from cache
Usage: fs flushmount [-path <dir/file path>+]

The corresponding method invocation looks like:

my $result = $fs->flushmount
  (
   # Optional arguments
   path			=> $path, # OR [ $path1, $path2, ... ]
  );

flushvolume

The fs help string is:

fs flushvolume: flush all data in volume
Usage: fs flushvolume [-path <dir/file path>+]

The corresponding method invocation looks like:

my $result = $fs->flushvolume
  (
   # Optional arguments
   path			=> $path, # OR [ $path1, $path2, ... ]
  );

messages

The fs help string is:

fs messages: control Cache Manager messages
Usage: fs messages [-show <[user|console|all|none]>]

The corresponding method invocation looks like:

my $result = $fs->messages
  (
   # Optional arguments
   show			=> $show,
  );

mkmount

The fs help string is:

    fs mkmount: make mount point
    Usage: fs mkmount -dir <directory> -vol <volume name> [-cell <cell name>] [-rw] [-fast]
    Where: -rw    force r/w volume
	   -fast  don't check name with VLDB

The corresponding method invocation looks like:

my $result = $fs->mkmount
  (
   # Required arguments
   dir			=> $dir,
   vol			=> $vol,
   # Optional arguments
   cell			=> $cell,
   rw			=> 1,
   fast			=> 1,
  );

newalias

The fs help string is:

fs newalias: configure new cell alias
Usage: fs newalias -alias <alias name> -name <real name of cell>

The corresponding method invocation looks like:

my $result = $fs->newalias
  (
   # Required arguments
   alias			=> $alias,
   name			=> $name,
  );

newcell

The fs help string is:

    fs newcell: configure new cell
    Usage: fs newcell -name <cell name> -servers <primary servers>+
		      [-linkedcell <linked cell name>]

The corresponding method invocation looks like:

my $result = $fs->newcell
  (
   # Required arguments
   name			=> $name,
   servers			=> $server, # OR [ $server1, $server2, ... ]
   # Optional arguments
   linkedcell		=> $linkedcell,
  );

rmmount

The fs help string is:

fs rmmount: remove mount point
Usage: fs rmmount -dir <directory>+

The corresponding method invocation looks like:

my $result = $fs->rmmount
  (
   # Required arguments
   dir			=> $dir, # OR [ $dir1, $dir2, ... ]
  );

rxstatpeer

The fs help string is:

    fs rxstatpeer: Manage per peer RX statistics
    Usage: fs rxstatpeer [-enable] [-disable] [-clear]
    Where: -enable   Enable RX stats
	   -disable  Disable RX stats
	   -clear    Clear RX stats

The corresponding method invocation looks like:

my $result = $fs->rxstatpeer
  (
   # Optional arguments
   enable			=> 1,
   disable			=> 1,
   clear			=> 1,
  );

rxstatproc

The fs help string is:

    fs rxstatproc: Manage per process RX statistics
    Usage: fs rxstatproc [-enable] [-disable] [-clear]
    Where: -enable   Enable RX stats
	   -disable  Disable RX stats
	   -clear    Clear RX stats

The corresponding method invocation looks like:

my $result = $fs->rxstatproc
  (
   # Optional arguments
   enable			=> 1,
   disable			=> 1,
   clear			=> 1,
  );

setacl

The fs help string is:

    fs setacl: set access control list
    Usage: fs setacl -dir <directory>+ -acl <access list entries>+
		     [-clear] [-negative] [-id] [-if]
    Where: -clear     clear access list
	   -negative  apply to negative rights
	   -id        initial directory acl (DFS only)
	   -if        initial file acl (DFS only)

The corresponding method invocation looks like:

my $result = $fs->setacl
  (
   # Required arguments
   dir			=> $dir, # OR [ $dir1, $dir2, ... ]
   acl			=> [ <<see below>> ],
   # Optional arguments
   clear			=> 1,
   negative			=> 1,
   id			=> 1,
   if			=> 1,
  );

NOTE: The values passed to the 'acl' argument has to be constructed with care. Unlike many of the other arguments, this has to be a seen by the 'fs' command as an even number of additional command line arguments immediately after the -acl flag.

If you construct a single string, such as "user read group write", then the method will fail. There is no shell involved in exec'ing fs, so there will be no splitting of this string on whitespace before we construct the arguments to fs, so it will look like a single argument, not four distinct arguments.

Therefore, there are two ways to construct an ACL to pass to setacl():

my @acl = ( $user, 'read', $group, 'write' );
my $result = $fs->setacl
  (
   dir			=> $dir,
   acl			=> \@acl,
  );

my %acl =
  (
   $user			=> 'read',
   $group			=> 'write',
  );
my $result = $fs->setacl
  (
   dir			=> $dir,
   acl			=> \%acl,
  );

In a future release of the API, maybe even 1.1, it will be possible to pass AFS::Object::ACL objects as arguments to these API calls, but not yet...

setcachesize

The fs help string is:

fs setcachesize: set cache size
Usage: fs setcachesize [-blocks <size in 1K byte blocks (0 => reset)>] [-reset]
Where: -reset  reset size back to boot value

The corresponding method invocation looks like:

my $result = $fs->setcachesize
  (
   # Optional arguments
   blocks			=> $blocks,
   reset			=> 1,
  );

setcell

The fs help string is:

    fs setcell: set cell status
    Usage: fs setcell -cell <cell name>+ [-suid] [-nosuid]
    Where: -suid    allow setuid programs
	   -nosuid  disallow setuid programs

The corresponding method invocation looks like:

my $result = $fs->setcell
  (
   # Required arguments
   cell			=> $cell, # OR [ $cell1, $cell2, ... ]
   # Optional arguments
   suid			=> 1,
   nosuid			=> 1,
  );

setclientaddrs

The fs help string is:

fs setclientaddrs: set client network interface addresses
Usage: fs setclientaddrs [-address <client network interfaces>+]

The corresponding method invocation looks like:

my $result = $fs->setclientaddrs
  (
   # Required arguments
   address			=> $address, # OR [ $address1, $address2, ... ]
  );

setcrypt

The fs help string is:

fs setcrypt: set cache manager encryption flag
Usage: fs setcrypt -crypt <on or off>

The corresponding method invocation looks like:

my $result = $fs->setcrypt
  (
   # Required arguments
   crypt			=> 1,
  );

setquota

The fs help string is:

fs setquota: set volume quota
Usage: fs setquota [-path <dir/file path>] -max <max quota in kbytes>

The corresponding method invocation looks like:

my $result = $fs->setquota
  (
   # Required arguments
   max			=> $max,
   # Optional arguments
   path			=> $path, # OR [ $path1, $path2, ... ]
  );

setserverprefs

The fs help string is:

    fs setserverprefs: set server ranks
    Usage: fs setserverprefs [-servers <fileserver names and ranks>+]
			     [-vlservers <VL server names and ranks>+]
			     [-file <input from named file>] [-stdin]
    Where: -stdin  input from stdin

The corresponding method invocation looks like:

my $result = $fs->setserverprefs
  (
   # Optional arguments
   servers			=> $server, # OR [ $server1, $server2, ... ]
   vlservers		=> $vlserver, # OR [ $vlserver1, $vlserver2, ... ]
   file			=> $file,
   stdin			=> 1,
  );

setvol

The fs help string is:

    fs setvol: set volume status
    Usage: fs setvol [-path <dir/file path>+] [-max <disk space quota in 1K units>]
		     [-offlinemsg <offline message>]

The corresponding method invocation looks like:

my $result = $fs->setvol
  (
   # Optional arguments
   path			=> $path, # OR [ $path1, $path2, ... ]
   max			=> $max,
   offlinemsg   		=> $offlinemsg,
  );

SEE ALSO

AFS::Command(1), AFS::Object(1)