Add quota support to volgen

New options on command line
1. --volume-size-server  - Volume sizes for server side posix exports
2. --volume-size-client  - Volume sizes for client side exports

Signed-off-by: Harshavardhana <harsha@gluster.com>
Signed-off-by: Anand V. Avati <avati@dev.gluster.com>

BUG: 611 (Add quota support to volgen)
URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=611
This commit is contained in:
Harshavardhana Ranganath 2010-02-18 09:41:17 +00:00 committed by Anand V. Avati
parent 961cb224dd
commit 52aa84d64c
2 changed files with 41 additions and 3 deletions

View File

@ -26,6 +26,8 @@ class CreateVolfile:
self.host_array = server_array
self.unused = options.unused
self.debug = options.debug
self.volume_size_server = options.size_server
self.volume_size_client = options.size_client
def create_mount_volfile (self):
@ -151,6 +153,18 @@ class CreateVolfile:
mount_fd.write ("end-volume\n\n")
subvolumes[0] = "distribute"
if self.volume_size_client:
mount_fd.write ("volume quota\n")
mount_fd.write (" type features/quota\n")
mount_fd.write (" option disk-usage-limit %s\n" % self.volume_size_client)
if self.unused:
mount_fd.write ("# option minimum-free-disk-limit 10GB "
"# minimum free disk value (default) 0\n")
mount_fd.write ("# option refresh-interval 10\n")
mount_fd.write (" subvolumes %s\n" % subvolumes[0])
mount_fd.write ("end-volume\n\n")
mount_fd.write ("volume writebehind\n")
mount_fd.write (" type performance/write-behind\n")
mount_fd.write (" option cache-size 4MB\n")
@ -158,8 +172,11 @@ class CreateVolfile:
mount_fd.write ("# option enable-trickling-writes yes # Flush final write calls when network is free\n")
mount_fd.write ("# option enable-O_SYNC yes # Enable O_SYNC for write-behind\n")
mount_fd.write ("# option disable-for-first-nbytes 1 # Disable first nbytes with very small initial writes\n")
if self.volume_size_client:
mount_fd.write (" subvolumes quota\n")
else:
mount_fd.write (" subvolumes %s\n" % subvolumes[0])
mount_fd.write (" subvolumes %s\n" % subvolumes[0])
mount_fd.write ("end-volume\n\n")
mount_fd.write ("volume readahead\n")
@ -192,6 +209,8 @@ class CreateVolfile:
mount_fd.write (" subvolumes quickread\n")
mount_fd.write ("end-volume\n\n")
return
def create_export_volfile (self):
@ -227,12 +246,26 @@ class CreateVolfile:
exp_fd.write (" option directory %s\n" % export)
exp_fd.write ("end-volume\n\n")
if self.volume_size_server:
exp_fd.write ("volume quota%d\n" % i)
exp_fd.write (" type features/quota\n")
exp_fd.write (" option disk-usage-limit %s\n" % self.volume_size_server)
if self.unused:
exp_fd.write ("# option minimum-free-disk-limit 10GB "
"# minimum free disk value (default) 0\n")
exp_fd.write ("# option refresh-interval 10\n")
exp_fd.write (" subvolumes posix%d\n" % i)
exp_fd.write ("end-volume\n\n")
exp_fd.write ("volume locks%d\n" % i)
exp_fd.write (" type features/locks\n")
if self.unused:
exp_fd.write ("# option mandatory on # Default off, used in specific applications\n")
exp_fd.write (" subvolumes posix%d\n" % i)
if self.volume_size_server:
exp_fd.write (" subvolumes quota%d\n" % i)
else:
exp_fd.write (" subvolumes posix%d\n" % i)
exp_fd.write ("end-volume\n\n")
exp_fd.write ("volume brick%d\n" % i)

View File

@ -101,6 +101,11 @@ def generate_volume_files ():
default=1, help="Infiniband device number <N>")
group.add_option("-c", "--conf-dir", dest="conf_dir",
help="output directory for volume files")
group.add_option("--volume-size-server", dest="size_server",
help="volume size for each server")
group.add_option("--volume-size-client", dest="size_client",
help="volume size for each client")
parse.add_option_group(group)
group = OptionGroup(parse, "Extra Options")