#
"""
-lmc - lustre configurtion data manager
+lmc - lustre configuration data manager
- See lustre book for documentation for lmc.
+ See Lustre book (http://www.lustre.org/docs/lustre.pdf) for documentation on lmc.
"""
-import sys, os, getopt, string, exceptions
+import sys, os, getopt, string, exceptions, random
import xml.dom.minidom
from xml.dom.ext import PrettyPrint
+PYMOD_DIR = "/usr/lib/lustre/python"
+
+def development_mode():
+ base = os.path.dirname(sys.argv[0])
+ if os.access(base+"/Makefile.am", os.R_OK):
+ return 1
+ return 0
+
+if not development_mode():
+ sys.path.append(PYMOD_DIR)
+
+import Lustre
+
DEFAULT_PORT = 988
-def usage():
+def reference():
print """usage: lmc --add object [object parameters]
Object creation command summary:
--add node
--node node_name
--timeout num
- --recovery_upcall path
+ --upcall path
+ --lustre_upcall path
+ --portals_upcall path
+ --ptldebug debug_level
+ --subsystem subsystem_name
--add net
--node node_name
- --nid addr
- --nettype tcp|elan|toe|gm
+ --nid nid
+ --cluster_id
+ --nettype tcp|elan|gm|scimac
+ --hostaddr addr
--port port
--tcpbuf size
+ --irq_affinity 0|1
--router
--add mds
--dev path
--fstype extN|ext3
--size size
+ --nspath
+ --journal_size size
--add lov
--lov lov_name
--stripe_cnt num
--stripe_pattern num
--add ost
+--add ost
--node node_name
- --obd obd_name
+ --ost ost_name
--lov lov_name
--dev path
--size size
--fstype extN|ext3
- --obduuid uuid
-
+ --journal_size size
+ --obdtype obdecho|obdfilter
+ --ostuuid uuid
+
--add mtpt - Mountpoint
--node node_name
--path /mnt/point
--mds mds_name
- --obd obd_name OR --lov lovname
+ --ost ost_name OR --lov lov_name
+
+--add route
+ --node nodename
+ --gw nid
+ --tgt nid
+ --lo nid
+ --hi nid
+
+--add echo_client
+ --node nodename
+
+--add mgmt - Management/monitoring service
+ --node node_name
+ --mgmt mgmt_service_name
"""
- sys.exit(1)
+
+PARAM = Lustre.Options.PARAM
+lmc_options = [
+ # lmc input/output options
+ ('reference', "Print short reference for commands."),
+ ('verbose,v', "Print system commands as they are run."),
+ ('merge,m', "Append to the specified config file.", PARAM),
+ ('output,o', "Write XML configuration into given output file. Overwrite existing content.", PARAM),
+ ('input,i', "", PARAM),
+ ('batch', "Used to execute lmc commands in batch mode.", PARAM),
+
+ # commands
+ ('add', "", PARAM),
+
+ # node options
+ ('node', "Add a new node in the cluster configuration.", PARAM),
+ ('timeout', "Set timeout to initiate recovery.", PARAM),
+ ('upcall', "Set both lustre and portals upcall scripts.", PARAM),
+ ('lustre_upcall', "Set location of lustre upcall script.", PARAM),
+ ('portals_upcall', "Set location of portals upcall script.", PARAM),
+ ('ptldebug', "Set the portals debug level", PARAM),
+ ('subsystem', "Specify which Lustre subsystems have debug output recorded in the log", PARAM),
+
+ # network
+ ('nettype', "Specify the network type. This can be tcp/elan/gm/scimac.", PARAM),
+ ('nid', "Give the network ID, e.g ElanID/IP Address as used by portals.", PARAM),
+ ('tcpbuf', "Optional argument to specify the TCP buffer size.", PARAM, "0"),
+ ('port', "Optional argument to specify the TCP port number.", PARAM, DEFAULT_PORT),
+ ('irq_affinity', "Optional argument.", PARAM, 0),
+ ('hostaddr', "", PARAM,""),
+ ('cluster_id', "Specify the cluster ID", PARAM, "0"),
+
+ # routes
+ ('route', "Add a new route for the cluster.", PARAM),
+ ('router', "Optional flag to mark a node as router."),
+ ('gw', "Specify the nid of the gateway for a route.", PARAM),
+ ('gateway_cluster_id', "", PARAM, "0"),
+ ('target_cluster_id', "", PARAM, "0"),
+ ('lo', "For a range route, this is the low value nid.", PARAM),
+ ('hi', "For a range route, this is a hi value nid.", PARAM,""),
+
+ # servers: mds and ost
+ ('mds', "Specify MDS name.", PARAM),
+ ('ost', "Specify the OST name.", PARAM,""),
+ ('osdtype', "This could obdfilter or obdecho.", PARAM, "obdfilter"),
+ ('failover', "Enable failover support on OSTs or MDS?"),
+ ('group', "", PARAM),
+ ('dev', "Path of the device on local system.", PARAM,""),
+ ('size', "Specify the size of the device if needed.", PARAM,"0"),
+ ('journal_size', "Specify new journal size for underlying ext3 file system.", PARAM,"0"),
+ ('fstype', "Optional argument to specify the filesystem type.", PARAM, "ext3"),
+ ('mkfsoptions', "Optional argument to mkfs.", PARAM, ""),
+ ('ostuuid', "", PARAM,""),
+ ('nspath', "Local mount point of server namespace.", PARAM,""),
+ ('format', ""),
+
+ # clients: mountpoint and echo
+ ('echo_client', "", PARAM),
+ ('path', "Specify the mountpoint for Lustre.", PARAM),
+ ('filesystem', "Lustre filesystem name", PARAM,""),
+
+ # lov
+ ('lov', "Specify LOV name.", PARAM,""),
+ ('stripe_sz', "Specify the stripe size in bytes.", PARAM),
+ ('stripe_cnt', "Specify the number of OSTs each file should be striped on.", PARAM, 0),
+ ('stripe_pattern', "Specify the stripe pattern. RAID 0 is the only one currently supported.", PARAM, 0),
+
+ # cobd
+ ('real_obd', "", PARAM),
+ ('cache_obd', "", PARAM),
+
+ ('mgmt', "Specify management/monitoring service name.", PARAM, ""),
+ ]
def error(*args):
msg = string.join(map(str,args))
return ret
def new_uuid(name):
- return "%s_UUID" % (name)
+ ret_uuid = '%05x_%.19s_%05x%05x' % (int(random.random() * 1048576),
+ name,
+ int(random.random() * 1048576),
+ int(random.random() * 1048576))
+ return ret_uuid[:36]
ldlm_name = 'ldlm'
ldlm_uuid = 'ldlm_UUID'
+
def new_lustre(dom):
"""Create a new empty lustre document"""
# adding ldlm here is a bit of a hack, but one is enough.
- str = """<lustre>
+ str = """<lustre version="%s">
<ldlm name="%s" uuid="%s"/>
- </lustre>""" % (ldlm_name, ldlm_uuid)
+ </lustre>""" % (Lustre.CONFIG_VERSION, ldlm_name, ldlm_uuid)
return dom.parseString(str)
names = {}
init_names(n)
def get_format_flag(options):
- if options.has_key('format'):
- if options['format']:
- return 'yes'
+ if options.format:
+ return 'yes'
return 'no'
############################################################
node.appendChild(new)
return new
- def network(self, name, uuid, hostname, net, port=0, tcpbuf=0):
+ def network(self, name, uuid, nid, cluster_id, net, hostaddr="",
+ port=0, tcpbuf=0, irq_aff=0):
"""create <network> node"""
network = self.newService("network", name, uuid)
network.setAttribute("nettype", net);
- self.addElement(network, "nid", hostname)
+ self.addElement(network, "nid", nid)
+ self.addElement(network, "clusterid", cluster_id)
+ if hostaddr:
+ self.addElement(network, "hostaddr", hostaddr)
if port:
self.addElement(network, "port", "%d" %(port))
if tcpbuf:
self.addElement(network, "sendmem", "%d" %(tcpbuf))
self.addElement(network, "recvmem", "%d" %(tcpbuf))
+ if irq_aff:
+ self.addElement(network, "irqaffinity", "%d" %(irq_aff))
return network
- def route(self, net_type, gw, lo, hi):
+ def routetbl(self, name, uuid):
+ """create <routetbl> node"""
+ rtbl = self.newService("routetbl", name, uuid)
+ return rtbl
+
+ def route(self, gw_net_type, gw, gw_cluster_id, tgt_cluster_id, lo, hi):
""" create one entry for the route table """
ref = self.doc.createElement('route')
- ref.setAttribute("type", net_type)
+ ref.setAttribute("type", gw_net_type)
ref.setAttribute("gw", gw)
+ ref.setAttribute("gwclusterid", gw_cluster_id)
+ ref.setAttribute("tgtclusterid", tgt_cluster_id)
ref.setAttribute("lo", lo)
if hi:
ref.setAttribute("hi", hi)
ldlm = self.newService("ldlm", name, uuid)
return ldlm
- def obd(self, name, uuid, fs, obdtype, devname, format, ost_uuid, dev_size=0):
- obd = self.newService("obd", name, uuid)
- obd.setAttribute('obdtype', obdtype)
- obd.appendChild(self.ref("active", ost_uuid))
+ def osd(self, name, uuid, fs, osdtype, devname, format, ost_uuid,
+ node_uuid, dev_size=0, journal_size=0, nspath=""):
+ osd = self.newService("osd", name, uuid)
+ osd.setAttribute('osdtype', osdtype)
+ osd.appendChild(self.ref("target", ost_uuid))
+ osd.appendChild(self.ref("node", node_uuid))
if fs:
- self.addElement(obd, "fstype", fs)
+ self.addElement(osd, "fstype", fs)
if devname:
- dev = self.addElement(obd, "devpath", devname)
- self.addElement(obd, "autoformat", format)
+ dev = self.addElement(osd, "devpath", devname)
+ self.addElement(osd, "autoformat", format)
if dev_size:
- self.addElement(obd, "devsize", "%s" % (dev_size))
- return obd
+ self.addElement(osd, "devsize", "%s" % (dev_size))
+ if journal_size:
+ self.addElement(osd, "journalsize", "%s" % (journal_size))
+ if nspath:
+ self.addElement(osd, "nspath", nspath)
+ return osd
def cobd(self, name, uuid, real_uuid, cache_uuid):
cobd = self.newService("cobd", name, uuid)
cobd.appendChild(self.ref("cacheobd",cache_uuid))
return cobd
- def ost(self, name, uuid, obd_uuid, net_uuid):
+ def ost(self, name, uuid, osd_uuid, group=""):
ost = self.newService("ost", name, uuid)
- ost.appendChild(self.ref("network", net_uuid))
- ost.appendChild(self.ref("obd", obd_uuid))
+ ost.appendChild(self.ref("active", osd_uuid))
+ if group:
+ self.addElement(ost, "group", group)
return ost
+ def oss(self, name, uuid):
+ oss = self.newService("oss", name, uuid)
+ return oss
+
def lov(self, name, uuid, mds_uuid, stripe_sz, stripe_cnt, pattern):
lov = self.newService("lov", name, uuid)
lov.appendChild(self.ref("mds", mds_uuid))
- lov.setAttribute("stripesize", stripe_sz)
- lov.setAttribute("stripecount", stripe_cnt)
- lov.setAttribute("stripepattern", pattern)
+ lov.setAttribute("stripesize", str(stripe_sz))
+ lov.setAttribute("stripecount", str(stripe_cnt))
+ lov.setAttribute("stripepattern", str(pattern))
return lov
def lovconfig(self, name, uuid, lov_uuid):
lovconfig.appendChild(self.ref("lov", lov_uuid))
return lovconfig
- def mds(self, name, uuid, mdd_uuid):
+ def mds(self, name, uuid, mdd_uuid, group=""):
mds = self.newService("mds", name, uuid)
mds.appendChild(self.ref("active",mdd_uuid))
+ if group:
+ self.addElement(mds, "group", group)
return mds
- def mdsdev(self, name, uuid, fs, devname, format, net_uuid, node_uuid,
- mds_uuid, dev_size=0 ):
+ def mdsdev(self, name, uuid, fs, devname, format, node_uuid,
+ mds_uuid, dev_size=0, journal_size=0, nspath="", mkfsoptions=""):
mdd = self.newService("mdsdev", name, uuid)
self.addElement(mdd, "fstype", fs)
dev = self.addElement(mdd, "devpath", devname)
self.addElement(mdd, "autoformat", format)
if dev_size:
self.addElement(mdd, "devsize", "%s" % (dev_size))
- mdd.appendChild(self.ref("network", net_uuid))
- mdd.appendChild(self.ref("mds", mds_uuid))
+ if journal_size:
+ self.addElement(mdd, "journalsize", "%s" % (journal_size))
+ if nspath:
+ self.addElement(mdd, "nspath", nspath)
+ if mkfsoptions:
+ self.addElement(mdd, "mkfsoptions", mkfsoptions)
+ mdd.appendChild(self.ref("node", node_uuid))
+ mdd.appendChild(self.ref("target", mds_uuid))
return mdd
- def mountpoint(self, name, uuid, mds_uuid, osc_uuid, path):
+ def mgmt(self, mgmt_name, mgmt_uuid, node_uuid):
+ mgmt = self.newService("mgmt", mgmt_name, mgmt_uuid)
+ mgmt.appendChild(self.ref("node", node_uuid))
+ # Placeholder until mgmt-service failover.
+ mgmt.appendChild(self.ref("active", mgmt_uuid))
+ return mgmt
+
+ def mountpoint(self, name, uuid, fs_uuid, path):
mtpt = self.newService("mountpoint", name, uuid)
- mtpt.appendChild(self.ref("mds", mds_uuid))
- mtpt.appendChild(self.ref("obd", osc_uuid))
+ mtpt.appendChild(self.ref("filesystem", fs_uuid))
self.addElement(mtpt, "path", path)
return mtpt
+ def filesystem(self, name, uuid, mds_uuid, obd_uuid, mgmt_uuid):
+ fs = self.newService("filesystem", name, uuid)
+ fs.appendChild(self.ref("mds", mds_uuid))
+ fs.appendChild(self.ref("obd", obd_uuid))
+ if mgmt_uuid:
+ fs.appendChild(self.ref("mgmt", mgmt_uuid))
+ return fs
+
def echo_client(self, name, uuid, osc_uuid):
ec = self.newService("echoclient", name, uuid)
ec.appendChild(self.ref("obd", osc_uuid))
return ""
return getUUID(ret)
+def lookup_filesystem(lustre, mds_uuid, ost_uuid):
+ for n in lustre.childNodes:
+ if n.nodeType == n.ELEMENT_NODE and n.nodeName == 'filesystem':
+ if ref_exists(n, mds_uuid) and ref_exists(n, ost_uuid):
+ return getUUID(n)
+ return None
# XXX: assumes only one network element per node. will fix this
# as soon as support for routers is added
def lov_add_obd(gen, lov, osc_uuid):
lov.appendChild(gen.ref("obd", osc_uuid))
+def ref_exists(profile, uuid):
+ elist = profile.childNodes
+ for e in elist:
+ if e.nodeType == e.ELEMENT_NODE:
+ ref = e.getAttribute('uuidref')
+ if ref == uuid:
+ return 1
+ return 0
+
+# ensure that uuid is not already in the profile
+# return true if uuid is added
def node_add_profile(gen, node, ref, uuid):
refname = "%s_ref" % "profile"
ret = node.getElementsByTagName(refname)
error('node has no profile ref:', node)
prof_uuid = ret[0].getAttribute('uuidref')
profile = lookup(node.parentNode, prof_uuid)
+ if not profile:
+ error("no profile found:", prof_uuid)
+ if ref_exists(profile, uuid):
+ return 0
profile.appendChild(gen.ref(ref, uuid))
+ return 1
def get_attr(dom_node, attr, default=""):
v = dom_node.getAttribute(attr)
############################################################
# Top level commands
#
+def set_node_options(gen, node, options):
+ if options.router:
+ node.setAttribute('router', '1')
+ if options.timeout:
+ gen.addElement(node, "timeout", get_option(options, 'timeout'))
+ if options.upcall:
+ default_upcall = get_option(options, 'upcall')
+ else:
+ default_upcall = ''
+ if default_upcall or options.lustre_upcall:
+ if options.lustre_upcall:
+ gen.addElement(node, 'lustreUpcall', options.lustre_upcall)
+ else:
+ gen.addElement(node, 'lustreUpcall', default_upcall)
+ if default_upcall or options.portals_upcall:
+ if options.portals_upcall:
+ gen.addElement(node, 'portalsUpcall', options.portals_upcall)
+ else:
+ gen.addElement(node, 'portalsUpcall', default_upcall)
+ if options.ptldebug:
+ gen.addElement(node, "ptldebug", get_option(options, 'ptldebug'))
+ if options.subsystem:
+ gen.addElement(node, "subsystem", get_option(options, 'subsystem'))
+ return node
+
def do_add_node(gen, lustre, options, node_name):
uuid = new_uuid(node_name)
prof_name = new_name("PROFILE_" + node_name)
lustre.appendChild(profile)
node_add_profile(gen, node, 'ldlm', ldlm_uuid)
- if has_option(options, 'router'):
- node.setAttribute('router', '1')
- if has_option(options, 'timeout'):
- node.setAttribute('timeout', get_option(options, 'timeout'))
- if has_option(options, 'recovery_upcall'):
- node.setAttribute('recovery_upcall', get_option(options, 'recovery_upcall'))
+ set_node_options(gen, node, options)
return node
node_name = get_option(options, 'node')
nid = get_option(options, 'nid')
+ cluster_id = get_option(options, 'cluster_id')
+ hostaddr = get_option(options, 'hostaddr')
net_type = get_option(options, 'nettype')
- if net_type == 'tcp':
- port = get_option_int(options, 'port', DEFAULT_PORT)
- tcpbuf = get_option_int(options, 'tcpbuf', 0)
- elif net_type in ('elan', 'gm'):
+ if net_type in ('tcp',):
+ port = get_option_int(options, 'port')
+ tcpbuf = get_option_int(options, 'tcpbuf')
+ irq_aff = get_option_int(options, 'irq_affinity')
+ elif net_type in ('elan', 'gm', 'scimac'):
port = 0
tcpbuf = 0
+ irq_aff = 0
else:
print "Unknown net_type: ", net_type
sys.exit(2)
node = do_add_node(gen, lustre, options, node_name)
else:
node = ret
+ set_node_options(gen, node, options)
+
net_name = new_name('NET_'+ node_name +'_'+ net_type)
net_uuid = new_uuid(net_name)
- node.appendChild(gen.network(net_name, net_uuid, nid, net_type, port, tcpbuf))
+ node.appendChild(gen.network(net_name, net_uuid, nid, cluster_id, net_type,
+ hostaddr, port, tcpbuf, irq_aff))
node_add_profile(gen, node, "network", net_uuid)
""" create a node with a network config """
node_name = get_option(options, 'node')
- net_type = get_option(options, 'nettype')
+ gw_net_type = get_option(options, 'nettype')
gw = get_option(options, 'gw')
+ gw_cluster_id = get_option(options, 'gateway_cluster_id')
+ tgt_cluster_id = get_option(options, 'target_cluster_id')
lo = get_option(options, 'lo')
- hi = get_option(options, 'hi', '')
+ hi = get_option(options, 'hi')
+ if not hi:
+ hi = lo
node = findByName(lustre, node_name, "node")
if not node:
error (node_name, " not found.")
- netlist = node.getElementsByTagName('network')
- net = netlist[0]
- rlist = net.getElementsByTagName('routetbl')
+ rlist = node.getElementsByTagName('routetbl')
if len(rlist) > 0:
rtbl = rlist[0]
else:
- rtbl = gen.addElement(net, 'routetbl')
- rtbl.appendChild(gen.route(net_type, gw, lo, hi))
+ rtbl_name = new_name("RTBL_" + node_name)
+ rtbl_uuid = new_uuid(rtbl_name)
+ rtbl = gen.routetbl(rtbl_name, rtbl_uuid)
+ node.appendChild(rtbl)
+ node_add_profile(gen, node, "routetbl", rtbl_uuid)
+ rtbl.appendChild(gen.route(gw_net_type, gw, gw_cluster_id, tgt_cluster_id,
+ lo, hi))
def add_mds(gen, lustre, options):
mds_uuid = name2uuid(lustre, mds_name, fatal=0)
if not mds_uuid:
mds_uuid = new_uuid(mds_name)
- mds = gen.mds(mds_name, mds_uuid, mdd_uuid)
+ mds = gen.mds(mds_name, mds_uuid, mdd_uuid, options.group)
lustre.appendChild(mds)
-
+ else:
+ mds = lookup(lustre, mds_uuid)
+ if options.failover:
+ mds.setAttribute('failover', "1")
+
devname = get_option(options, 'dev')
- size = get_option(options, 'size', 0)
- fstype = get_option(options, 'fstype', 'extN')
+ size = get_option(options, 'size')
+ fstype = get_option(options, 'fstype')
+ journal_size = get_option(options, 'journal_size')
+ nspath = get_option(options, 'nspath')
+ mkfsoptions = get_option(options, 'mkfsoptions')
node_uuid = name2uuid(lustre, node_name, 'node')
if not net_uuid:
error("NODE: ", node_name, "not found")
- mdd = gen.mdsdev(mdd_name, mdd_uuid, fstype, devname, get_format_flag(options),
- net_uuid, node_uuid, mds_uuid, dev_size=size)
+ mdd = gen.mdsdev(mdd_name, mdd_uuid, fstype, devname,
+ get_format_flag(options), node_uuid, mds_uuid,
+ size, journal_size, nspath, mkfsoptions)
lustre.appendChild(mdd)
+def add_mgmt(gen, lustre, options):
+ node_name = get_option(options, 'node')
+ node_uuid = name2uuid(lustre, node_name)
+ mgmt_name = get_option(options, 'mgmt')
+ if not mgmt_name:
+ mgmt_name = new_name('MGMT_' + node_name)
+ mgmt_uuid = name2uuid(lustre, mgmt_name, fatal=0)
+ if not mgmt_uuid:
+ mgmt_uuid = new_uuid(mgmt_name)
+ mgmt = gen.mgmt(mgmt_name, mgmt_uuid, node_uuid)
+ lustre.appendChild(mgmt)
+ else:
+ mgmt = lookup(lustre, mgmt_uuid)
+
+ node = findByName(lustre, node_name, "node")
+ node_add_profile(gen, node, 'mgmt', mgmt_uuid)
+
def add_ost(gen, lustre, options):
node_name = get_option(options, 'node')
- lovname = get_option(options, 'lov', '')
- obdtype = get_option(options, 'obdtype', 'obdfilter')
+ lovname = get_option(options, 'lov')
+ osdtype = get_option(options, 'osdtype')
- if obdtype == 'obdecho':
+ node_uuid = name2uuid(lustre, node_name)
+
+ if osdtype == 'obdecho':
fstype = ''
devname = ''
size = 0
fstype = ''
+ journal_size = ''
else:
- devname = get_option(options, 'dev', '') # can be unset for bluearcs
- size = get_option(options, 'size', 0)
- fstype = get_option(options, 'fstype', 'extN')
+ devname = get_option(options, 'dev') # can be unset for bluearcs
+ size = get_option(options, 'size')
+ fstype = get_option(options, 'fstype')
+ journal_size = get_option(options, 'journal_size')
- obdname = get_option(options, 'obd', 'OBD_'+ node_name)
- obdname = new_name(obdname)
- ostname = new_name('OST_'+ obdname)
- if options.has_key('obduuid'):
- obd_uuid = options['obduuid']
- obd = lookup(lustre, obd_uuid)
- if obd:
- error("Duplicate OBD UUID:", obd_uuid)
+ nspath = get_option(options, 'nspath')
+
+ ostname = get_option(options, 'ost')
+ if not ostname:
+ ostname = new_name('OST_'+ node_name)
+
+ osdname = new_name("OSD_" + ostname + "_" + node_name)
+ osd_uuid = new_uuid(osdname)
+
+ ost_uuid = name2uuid(lustre, ostname, fatal=0)
+ if not ost_uuid:
+ ost_uuid = get_option(options, 'ostuuid')
+ if ost_uuid:
+ if lookup(lustre, ost_uuid):
+ error("Duplicate OST UUID:", ost_uuid)
+ else:
+ ost_uuid = new_uuid(ostname)
+
+ ost = gen.ost(ostname, ost_uuid, osd_uuid, options.group)
+ lustre.appendChild(ost)
+ if lovname:
+ lov = findByName(lustre, lovname, "lov")
+ if not lov:
+ error('add_ost:', '"'+lovname+'"', "lov element not found.")
+ lov_add_obd(gen, lov, ost_uuid)
else:
- obd_uuid = new_uuid(obdname)
- ost_uuid = new_uuid(ostname)
+ ost = lookup(lustre, ost_uuid)
- net_uuid = get_net_uuid(lustre, node_name)
- if not net_uuid:
- error("NODE: ", node_name, "not found")
-
- obd = gen.obd(obdname, obd_uuid, fstype, obdtype, devname, get_format_flag(options), ost_uuid,
- size)
- ost = gen.ost(ostname, ost_uuid, obd_uuid, net_uuid)
+ if options.failover:
+ ost.setAttribute('failover', "1")
- if lovname:
- lov = findByName(lustre, lovname, "lov")
- if not lov:
- error('add_ost:', '"'+lovname+'"', "lov element not found.")
- lov_add_obd(gen, lov, obd_uuid)
+
+ osd = gen.osd(osdname, osd_uuid, fstype, osdtype, devname,
+ get_format_flag(options), ost_uuid, node_uuid, size,
+ journal_size, nspath)
node = findByName(lustre, node_name, "node")
- node_add_profile(gen, node, 'obd', obd_uuid)
- node_add_profile(gen, node, 'ost', ost_uuid)
- lustre.appendChild(obd)
- lustre.appendChild(ost)
+## if node_add_profile(gen, node, 'oss', oss_uuid):
+## ossname = 'OSS'
+## oss_uuid = new_uuid(ossname)
+## oss = gen.oss(ossname, oss_uuid)
+## lustre.appendChild(oss)
+
+ node_add_profile(gen, node, 'osd', osd_uuid)
+ lustre.appendChild(osd)
def add_cobd(gen, lustre, options):
def add_echo_client(gen, lustre, options):
""" add an echo client to the profile for this node. """
node_name = get_option(options, 'node')
- lov_name = get_option(options, 'obd')
+ lov_name = get_option(options, 'ost')
node = findByName(lustre, node_name, 'node')
lov_uuid = name2uuid(lustre, lov_name, tag='lov', fatal=0)
if not lov_uuid:
- lov_uuid = name2uuid(lustre, lov_name, tag='obd', fatal=1)
+ lov_uuid = name2uuid(lustre, lov_name, tag='ost', fatal=1)
echo = gen.echo_client(echoname, echo_uuid, lov_uuid)
lustre.appendChild(echo)
warning("name:", lov_orig, "already used. using:", name)
mds_name = get_option(options, 'mds')
- stripe_sz = get_option(options, 'stripe_sz')
- stripe_cnt = get_option(options, 'stripe_cnt', 0)
- pattern = get_option(options, 'stripe_pattern', 0)
+ stripe_sz = get_option_int(options, 'stripe_sz')
+ stripe_cnt = get_option_int(options, 'stripe_cnt')
+ pattern = get_option_int(options, 'stripe_pattern')
uuid = new_uuid(name)
ret = findByName(lustre, name, "lov")
lovconfig = gen.lovconfig(lovconfig_name, lovconfig_uuid, uuid)
lustre.appendChild(lovconfig)
+def new_filesystem(gen, lustre, mds_uuid, obd_uuid, mgmt_uuid):
+ fs_name = new_name("FS_fsname")
+ fs_uuid = new_uuid(fs_name)
+ mds = lookup(lustre, mds_uuid)
+ mds.appendChild(gen.ref("filesystem", fs_uuid))
+ fs = gen.filesystem(fs_name, fs_uuid, mds_uuid, obd_uuid, mgmt_uuid)
+ lustre.appendChild(fs)
+ return fs_uuid
+def get_fs_uuid(gen, lustre, mds_name, obd_name, mgmt_name):
+ mds_uuid = name2uuid(lustre, mds_name, tag='mds')
+ obd_uuid = name2uuid(lustre, obd_name, tag='lov', fatal=0)
+ if not obd_uuid:
+ obd_uuid = name2uuid(lustre, obd_name, tag='ost', fatal=1)
+ if mgmt_name:
+ mgmt_uuid = name2uuid(lustre, mgmt_name, tag='mgmt', fatal=1)
+ else:
+ mgmt_uuid = ''
+ fs_uuid = lookup_filesystem(lustre, mds_uuid, obd_uuid)
+ if not fs_uuid:
+ fs_uuid = new_filesystem(gen, lustre, mds_uuid, obd_uuid, mgmt_uuid)
+ return fs_uuid
+
def add_mtpt(gen, lustre, options):
""" create mtpt on a node """
node_name = get_option(options, 'node')
path = get_option(options, 'path')
- mds_name = get_option(options, 'mds')
- lov_name = get_option(options, 'lov', '')
- if lov_name == '':
- lov_name = get_option(options, 'obd', '')
+ fs_name = get_option(options, 'filesystem')
+ if fs_name == '':
+ mds_name = get_option(options, 'mds')
+ lov_name = get_option(options, 'lov')
if lov_name == '':
- error("--add mtpt requires either --lov lov_name or --obd obd_name")
+ lov_name = get_option(options, 'ost')
+ if lov_name == '':
+ error("--add mtpt requires either --filesystem or --mds with an --lov lov_name or --ost ost_name")
+ mgmt_name = get_option(options, 'mgmt')
+ fs_uuid = get_fs_uuid(gen, lustre, mds_name, lov_name, mgmt_name)
+ else:
+ fs_uuid = name2uuid(lustre, fs_name, tag='filesystem')
name = new_name('MNT_'+ node_name)
ret = findByName(lustre, name, "mountpoint")
if ret:
+ # this can't happen, because new_name creates unique names
error("MOUNTPOINT: ", name, " already exists.")
- mds_uuid = name2uuid(lustre, mds_name, tag='mds')
- lov_uuid = name2uuid(lustre, lov_name, tag='lov', fatal=0)
- if not lov_uuid:
- lov_uuid = name2uuid(lustre, lov_name, tag='obd', fatal=1)
-
uuid = new_uuid(name)
- mtpt = gen.mountpoint(name, uuid, mds_uuid, lov_uuid, path)
+ mtpt = gen.mountpoint(name, uuid, fs_uuid, path)
node = findByName(lustre, node_name, "node")
if not node:
- error('node:', node_name, "not found.")
+ error('node:', node_name, "not found.")
node_add_profile(gen, node, "mountpoint", uuid)
lustre.appendChild(mtpt)
-def add_oscref(gen, lustre, options):
- """ create mtpt on a node """
- node_name = get_option(options, 'node')
- osc_name = get_option(options, 'osc')
-
- osc_uuid = name2uuid(lustre, osc_name, tag='osc')
- node = findByName(lustre, node_name, "node")
- if not node:
- error('node:', node_name, "not found")
- node_add_profile(gen, node, "osc",osc_uuid)
-
############################################################
# Command line processing
#
def __init__(self, args):
self.args = args
-def has_option(options, tag):
- """Look for tag in options hash and return the true if set"""
- if options.has_key(tag):
- return 1
- return 0
-
-def get_option(options, tag, default = None):
+def get_option(options, tag):
"""Look for tag in options hash and return the value if set. If not
set, then if return default it is set, otherwise exception."""
- if options.has_key(tag):
- return options[tag]
- elif default != None:
- return default
+ if options.__getattr__(tag) != None:
+ return options.__getattr__(tag)
else:
- raise OptionError("--add %s requires --%s value" % (options['add'], tag))
- # this exception should print an error like '--add blah requires --<tag> value'
+ raise OptionError("--add %s requires --%s <value>" % (options.add, tag))
-def get_option_int(options, tag, default = None):
+def get_option_int(options, tag):
"""Return an integer option. Raise exception if the value is not an int"""
- val = get_option(options, tag, default)
- return int(val)
-
-def parse_cmdline(argv):
- short_opts = "ho:i:m:"
- long_opts = ["add=", "node=", "nettype=", "nid=", "tcpbuf=", "port=",
- "echo_client=", "stripe_sz=", "stripe_cnt=", "stripe_pattern=",
- "mds=", "route", "router", "merge=", "format", "reformat", "output=",
- "dev=", "size=", "obd=", "obdtype=", "obduuid=", "in=",
- "path=", "help", "batch=", "lov=", "gw=", "lo=", "hi=",
- "oscref", "osc=", "real_obd=", "cache_obd=", "fstype=",
- "timeout=", "recovery_upcall="]
- opts = []
- args = []
- options = {}
+ val = get_option(options, tag)
try:
- opts, args = getopt.getopt(argv, short_opts, long_opts)
- except getopt.error, e:
- panic(string.join(sys.argv), e)
-
- for o, a in opts:
- # Commands to create new devices
- if o == "--add":
- options['add'] = a
-
- if o == "--node":
- options['node'] = a
-
- # devices names
- if o == "--lov":
- options['lov'] = a
- if o == "--mds":
- options['mds'] = a
- if o == "--obd":
- options['obd'] = a
-
- # node options
- if o == "--timeout":
- options['timeout'] = a
- if o == "--recovery_upcall":
- options['recovery_upcall'] = a
- if o == "--router":
- options['router'] = 1
-
- # network options
- if o == "--nid":
- options['nid'] = a
- if o == "--nettype":
- options['nettype'] = a
- if o == "--net":
- options[''] = a
- if o == "--tcpbuf":
- options['tcpbuf'] = a
- if o == "--port":
- options['port'] = a
- if o == "--mtpt":
- options['mtpt'] = 1
- if o == "--route":
- options['route'] = 1
-
- # ost options
- if o == "--dev":
- options['dev'] = a
- if o == "--size":
- options['size'] = a
- if o == "--path":
- options['path'] = a
- if o == "--osc":
- options['osc'] = a
- if o == "--obdtype":
- options['obdtype'] = a
- if o == "--fstype":
- options['fstype'] = a
- if o == "--obduuid":
- options['obduuid'] = a
-
- # lov options
- if o == "--stripe_sz":
- options['stripe_sz'] = a
- if o == "--stripe_cnt":
- options['stripe_cnt'] = a
- if o == "--stripe_pattern":
- options['stripe_pattern'] = a
- if o == "--gw":
- options['gw'] = a
- if o == "--lo":
- options['lo'] = a
- if o == "--hi":
- options['hi'] = a
-
- # cobd
- if o == "--cache_obd":
- options['cache_obd'] = a
- if o == "--real_obd":
- options['real_obd'] = a
-
- # lmc options
- if o in ("-h", "--help"):
- usage()
- if o in ("-o", "--output"):
- options['output'] = a
- if o in ("-m", "--merge"):
- options['merge'] = a
- if o == "--format":
- options['format'] = 1
- if o == "--reformat":
- options['reformat'] = 1
- if o == "--batch":
- options['batch'] = a
- if o in ("--in" , "-i"):
- options['in'] = a
-
- return options, args
-
+ n = int(val)
+ except ValueError:
+ raise OptionError("--%s <num> (value must be integer)" % (tag))
+ return n
# simple class for profiling
import time
str = '%s: %g secs' % (msg, d)
print str
-
-
############################################################
# Main
#
def add(devtype, gen, lustre, options):
if devtype == 'net':
add_net(gen, lustre, options)
- elif devtype =='osc':
- add_osc(gen, lustre, options)
elif devtype == 'mtpt':
add_mtpt(gen, lustre, options)
elif devtype == 'mds':
add_node(gen, lustre, options)
elif devtype == 'echo_client':
add_echo_client(gen, lustre, options)
- elif devtype == 'oscref':
- add_oscref(gen, lustre, options)
elif devtype == 'cobd':
add_cobd(gen, lustre, options)
+ elif devtype == 'mgmt':
+ add_mgmt(gen, lustre, options)
else:
error("unknown device type:", devtype)
def do_command(gen, lustre, options, args):
- if options.has_key('add'):
- add(options['add'], gen, lustre, options)
+ if options.add:
+ add(options.add, gen, lustre, options)
else:
error("Missing command")
def main():
- options, args = parse_cmdline(sys.argv[1:])
+ cl = Lustre.Options("lmc", "", lmc_options)
+ try:
+ options, args = cl.parse(sys.argv[1:])
+ except Lustre.OptionError, e:
+ panic("lmc", e)
+
+ if len(args) > 0:
+ panic(string.join(sys.argv), "Unexpected extra arguments on command line: " + string.join(args))
+
+ if options.reference:
+ reference()
+ sys.exit(0)
+
outFile = '-'
- if options.has_key('merge'):
- outFile = options['merge']
+ if options.merge:
+ outFile = options.merge
if os.access(outFile, os.R_OK):
doc = xml.dom.minidom.parse(outFile)
else:
doc = new_lustre(xml.dom.minidom)
- elif options.has_key('in'):
- doc = xml.dom.minidom.parse(options['in'])
+ elif options.input:
+ doc = xml.dom.minidom.parse(options.input)
else:
doc = new_lustre(xml.dom.minidom)
- if options.has_key('output'):
- outFile = options['output']
+ if options.output:
+ outFile = options.output
lustre = doc.documentElement
init_names(lustre)
gen = GenConfig(doc)
- if options.has_key('batch'):
- fp = open(options['batch'])
+ # the PRNG is normally seeded with time(), which is not so good for starting # time-synchronized clusters
+ input = open('/dev/urandom', 'r')
+ if not input:
+ print 'Unable to open /dev/urandom!'
+ sys.exit(1)
+ seed = input.read(32)
+ input.close()
+ random.seed(seed)
+
+ if options.batch:
+ fp = open(options.batch)
batchCommands = fp.readlines()
fp.close()
for cmd in batchCommands:
- options, args = parse_cmdline(string.split(cmd))
try:
+ options, args = cl.parse(string.split(cmd))
do_command(gen, lustre, options, args)
except OptionError, e:
panic(cmd, e)
+ except Lustre.OptionError, e:
+ panic(cmd, e)
else:
try:
do_command(gen, lustre, options, args)
except OptionError, e:
panic(string.join(sys.argv),e)
+ except Lustre.OptionError, e:
+ panic("lmc", e)
if outFile == '-':
PrettyPrint(doc)