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authorHarshavardhana Ranganath <harsha@gluster.com>2009-11-25 14:33:55 +0000
committerAnand V. Avati <avati@dev.gluster.com>2009-11-26 09:27:03 -0800
commit378b34f62f52d8cf1e4ee3bd5e034363c77c6acc (patch)
tree988a6cca0a6301cc764c6db89ee7dcc46eee43f3 /extras/volgen/CreateVolfile.py
parentc05707b41a325ec6a0cd4f24a6068a1efdf18d6a (diff)
Volgen supporting multidisks and booster configuration for nfs and cifs
Signed-off-by: Harshavardhana <harsha@gluster.com> Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 396 (Volgen multiple export directory support) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=396
Diffstat (limited to 'extras/volgen/CreateVolfile.py')
-rw-r--r--extras/volgen/CreateVolfile.py238
1 files changed, 238 insertions, 0 deletions
diff --git a/extras/volgen/CreateVolfile.py b/extras/volgen/CreateVolfile.py
new file mode 100644
index 0000000..1d22e8f
--- /dev/null
+++ b/extras/volgen/CreateVolfile.py
@@ -0,0 +1,238 @@
+import os, sys, string
+import subprocess
+
+num_replica = 2
+num_stripe = 4
+cache_size = "1GB"
+
+class CreateVolfile:
+
+ def __init__ (self, servers, server, volume_name,
+ transport, transports, port, auth_param,
+ ib_port, confdir, args):
+ self.hosts = servers
+ self.host = server
+ self.volume_name = volume_name
+ self.transport = transport
+ self.transports = transports
+ self.gfs_port = port
+ self.gfs_ib_port = port + 1
+ self.auth_parameters = auth_param
+ self.ib_devport = ib_port
+ self.num_servers = len (self.hosts.keys())
+ self.conf_dir = confdir
+ self.arguments = args
+
+ def create_mount_volfile (self, raid_type):
+
+
+ if self.conf_dir:
+ mount_fd = file ("%s/%s-%s.vol" % (self.conf_dir,
+ str(self.volume_name),
+ str(self.transport)), "w")
+ else:
+ mount_fd = file ("%s-%s.vol" % (str(self.volume_name),
+ str(self.transport)), "w")
+
+ print "Generating client volfiles.. for transport '%s'" % (self.transport)
+
+ num_stripe = 4
+ num_replica = 2
+
+
+ cmdline = string.join (sys.argv, ' ')
+ mount_fd.write ("## file auto generated by %s (mount.vol)\n" %
+ sys.argv[0])
+ mount_fd.write ("# Cmd line:\n")
+ mount_fd.write ("# $ %s\n\n" % cmdline)
+
+ if raid_type is not None:
+ # Used for later usage
+ mount_fd.write ("# RAID %d\n" % raid_type)
+
+ mount_fd.write ("# TRANSPORT-TYPE %s\n" % self.transport)
+ subvolumes = []
+ for host in self.hosts.keys():
+ i = 1
+ for exports in self.hosts[host]:
+ mount_fd.write ("volume %s-%s\n" % (host,i))
+ mount_fd.write (" type protocol/client\n")
+ mount_fd.write (" option transport-type %s\n" %
+ self.transport)
+ command = "dig %s | grep '^%s'" % (host, host)
+ ps = subprocess.Popen(command,
+ shell=True,
+ stdout=subprocess.PIPE,
+ stdin=subprocess.PIPE,
+ stderr=subprocess.PIPE,
+ close_fds=True)
+ ipaddress = host
+ if ps.wait() == 0:
+ output = ps.communicate()
+ ipaddress = output[0].split()[-1]
+
+ mount_fd.write (" option remote-host %s\n" % ipaddress)
+ if self.transport == 'ib-verbs':
+ mount_fd.write (" option transport.ib-verbs.port %d\n" %
+ self.ib_devport)
+ mount_fd.write (" option transport.remote-port %d\n" %
+ self.gfs_ib_port)
+ if self.transport == 'tcp':
+ mount_fd.write (" option transport.socket.nodelay on\n")
+ mount_fd.write (" option transport.remote-port %d\n" %
+ self.gfs_port)
+
+ mount_fd.write (" option remote-subvolume brick%s\n" %
+ i)
+ mount_fd.write ("end-volume\n\n")
+ i += 1
+
+ exportlist = {}
+ for entry in self.arguments:
+ node = entry.split(':')[0]
+ if not exportlist.has_key(node):
+ exportlist[node] = 1
+ else:
+ exportlist[node] += 1
+ subvolumes.append(str(node) + '-' + str(exportlist[node]))
+
+
+ if raid_type == 1:
+ if (len(subvolumes) % num_replica) != 0:
+ print "raid type (%d) and number of volumes (%d) invalid" % (raid_type, len(subvolumes))
+ sys.exit (1)
+
+ if raid_type == 0:
+ if (len(subvolumes) % num_stripe) != 0:
+ print "raid type (%d) and number of volumes (%d) invalid" % (raid_type, len(subvolumes))
+ sys.exit (1)
+
+ # Stripe section.. if given
+ if raid_type is 0:
+ max_stripe_idx = len (subvolumes) / num_stripe
+ stripe_idx = 0
+ index = 0
+ while index < max_stripe_idx:
+ mount_fd.write ("volume stripe-%d\n" % index)
+ mount_fd.write (" type cluster/stripe\n")
+ mount_fd.write (" subvolumes %s %s %s %s\n" %
+ (subvolumes[stripe_idx],
+ subvolumes[stripe_idx+1],
+ subvolumes[stripe_idx+2],
+ subvolumes[stripe_idx+3]))
+ mount_fd.write ("end-volume\n\n")
+ stripe_idx += 4
+ index +=1
+
+ # Replicate section
+ if raid_type is 1:
+ max_mirror_idx = len (subvolumes) / num_replica
+ mirror_idx = 0
+ index = 0
+ while index < max_mirror_idx:
+ mount_fd.write ("volume mirror-%d\n" % index)
+ mount_fd.write (" type cluster/replicate\n")
+ mount_fd.write (" subvolumes %s %s\n" %
+ (subvolumes[mirror_idx],
+ subvolumes[mirror_idx+1]))
+ mount_fd.write ("end-volume\n\n")
+ mirror_idx += 2
+ index += 1
+
+ # Distribute section
+ if raid_type is 0:
+ subvolumes = []
+ flag = 0
+ while flag < index:
+ subvolumes.append ("stripe-%d" % flag)
+ flag += 1
+ if raid_type is 1:
+ subvolumes = []
+ flag = 0
+ while flag < index:
+ subvolumes.append ("mirror-%d" % flag)
+ flag += 1
+
+ if len (subvolumes) > 1:
+ mount_fd.write ("volume distribute\n")
+ mount_fd.write (" type cluster/distribute\n")
+ mount_fd.write (" subvolumes %s\n" %
+ string.join (subvolumes,' '))
+ mount_fd.write ("end-volume\n\n")
+ subvolumes[0] = "distribute"
+
+ mount_fd.write ("volume writebehind\n")
+ mount_fd.write (" type performance/write-behind\n")
+ mount_fd.write (" option cache-size 4MB\n")
+ mount_fd.write (" subvolumes %s\n" % subvolumes[0])
+ mount_fd.write ("end-volume\n\n")
+
+ mount_fd.write ("volume io-cache\n")
+ mount_fd.write (" type performance/io-cache\n")
+ mount_fd.write (" option cache-size %s\n" % cache_size)
+ mount_fd.write (" subvolumes writebehind\n")
+ mount_fd.write ("end-volume\n\n")
+
+ return
+
+ def create_export_volfile (self):
+
+ cmdline = string.join (sys.argv, ' ')
+
+ if self.conf_dir:
+ exp_fd = file ("%s/%s-export.vol" %
+ (self.conf_dir,
+ str(self.host + '-' + self.volume_name)),"w")
+ else:
+ exp_fd = file ("%s-export.vol" %
+ (str(self.host + '-' + self.volume_name)),"w")
+
+ print "Generating server volfiles.. for server '%s'" % (self.host)
+
+ exp_fd.write ("## file auto generated by %s (export.vol)\n" %
+ sys.argv[0])
+ exp_fd.write ("# Cmd line:\n")
+ exp_fd.write ("# $ %s\n\n" % cmdline)
+ total_bricks = []
+ i=1
+ for export in self.hosts[self.host]:
+ exp_fd.write ("volume posix%d\n" % i)
+ exp_fd.write (" type storage/posix\n")
+ exp_fd.write (" option directory %s\n" % export)
+ exp_fd.write ("end-volume\n\n")
+
+ exp_fd.write ("volume locks%d\n" % i)
+ exp_fd.write (" type features/locks\n")
+ exp_fd.write (" subvolumes posix%d\n" % i)
+ exp_fd.write ("end-volume\n\n")
+
+ exp_fd.write ("volume brick%d\n" % i)
+ exp_fd.write (" type performance/io-threads\n")
+ exp_fd.write (" option thread-count 8\n")
+ exp_fd.write (" subvolumes locks%d\n" % i)
+ exp_fd.write ("end-volume\n\n")
+
+ total_bricks.append("brick%s" % i)
+ i += 1
+
+ for transport in self.transports:
+ exp_fd.write ("volume server-%s\n" % transport)
+ exp_fd.write (" type protocol/server\n")
+ exp_fd.write (" option transport-type %s\n" % transport)
+ for brick in total_bricks:
+ exp_fd.write (" option auth.addr.%s.allow %s\n" %
+ (brick, self.auth_parameters))
+
+ if transport == 'ib-verbs':
+ exp_fd.write (" option transport.ib-verbs.listen-port %d\n" % self.gfs_ib_port)
+ exp_fd.write (" option transport.ib-verbs.port %d\n" %
+ self.ib_devport)
+ if transport == 'tcp':
+ exp_fd.write (" option transport.socket.listen-port %d\n" % self.gfs_port)
+ exp_fd.write (" option transport.socket.nodelay on\n")
+
+ exp_fd.write (" subvolumes %s\n" %
+ string.join(total_bricks, ' '))
+ exp_fd.write ("end-volume\n\n")
+
+ return