def create_root_volume(self, defaults):
"""
Create a root volume for the vFiler if one hasn't
been manually defined
"""
log.debug("No manually defined root volume. Creating one...")
ns = self.populate_namespace()
try:
volname = defaults.get('vfiler', 'root_volume_name') % ns
except (NoSectionError, NoOptionError):
volname = '%s_root' % self.name
pass
# FIXME: This can probably be improved somehow
usable = float(defaults.get('vfiler', 'root_volume_usable'))
aggr = self.get_root_aggregate()
log.debug("got root aggr")
xmldata = """<volume type="root" name="%s" usable="%s" raw="%s" />
""" % (volname, usable, usable)
node = etree.fromstring(xmldata)
vol = Volume()
vol.configure_from_node(node, defaults, aggr)
vol.snapreserve = int(defaults.get('vfiler',
'root_volume_snapreserve'))
vol.space_guarantee = 'volume'
if defaults.getboolean('vfiler', 'backup_root_volume'):
log.warn("Request to back up vfiler root volume")
log.debug("Root volume: %s", vol)
# Add the volume as a child of the root aggregate
aggr.add_child(vol)
pass
def create_root_volume(self, defaults):
"""
Create a root volume for the vFiler if one hasn't
been manually defined
"""
log.debug("No manually defined root volume. Creating one...")
ns = self.populate_namespace()
try:
volname = defaults.get("vfiler", "root_volume_name") % ns
except (NoSectionError, NoOptionError):
volname = "%s_root" % self.name
pass
# FIXME: This can probably be improved somehow
usable = float(defaults.get("vfiler", "root_volume_usable"))
aggr = self.get_root_aggregate()
log.debug("got root aggr")
xmldata = """<volume type="root" name="%s" usable="%s" raw="%s" />
""" % (
volname,
usable,
usable,
)
node = etree.fromstring(xmldata)
vol = Volume()
vol.configure_from_node(node, defaults, aggr)
vol.snapreserve = int(defaults.get("vfiler", "root_volume_snapreserve"))
vol.space_guarantee = "volume"
if defaults.getboolean("vfiler", "backup_root_volume"):
log.warn("Request to back up vfiler root volume")
log.debug("Root volume: %s", vol)
# Add the volume as a child of the root aggregate
aggr.add_child(vol)
pass
def create_snapvaults_for(self, srcvol, defaults):
"""
Create snapvault volumes for a source volume.
"""
log.debug("Attempting to create snapvault for srcvol: %s", srcvol)
# get the snapvaultset for the volume
# If the volume is of certain types, don't back them up
# if srcvol.type in ['oraredo', 'oracm' ]:
# log.info("Not backing up volume '%s' of type '%s'", srcvol.name, srcvol.type)
# return
# Create target volumes based on the snapvault definition
for ref in srcvol.get_snapvault_setrefs():
log.debug("Found reference: %s", ref.name)
try:
log.debug("snapvaultsets: %s", [x.name for x in self.get_snapvaultsets()] )
setobj = [ x for x in self.get_snapvaultsets() if x.name == ref.name ][0]
except IndexError:
raise KeyError("Cannot find snapvaultset definition '%s'" % ref.name)
# If a target volume has been pre-defined, we'll use that.
# Otherwise, we'll invent one based on certain rules and settings.
target_filername = setobj.targetfiler
try:
target_filer = [x for x in self.get_filers() if x.name == target_filername ][0]
except IndexError:
raise KeyError("SnapVault target is an unknown filer name: '%s'" % target_filername)
# If the target volume name is specified, use that
if setobj.targetvolume is not None:
try:
targetvol = [ x for x in target_filer.get_volumes() if x.name == setobj.targetvolume ][0]
except IndexError:
raise KeyError("SnapVault targetvolume '%s' does not exist" % setobj.targetvolume)
log.debug("Found specific volume: %s", targetvol)
# Set the type of the volume to be a snapvault destination
targetvol.type='snapvaultdst'
pass
# otherwise, invent a target volume, and use that instead
else:
# Find the target aggregate for the snapvault
targetaggr = self.find_target_aggr(target_filer, setobj.targetaggregate, defaults)
# Figure out how much usable storage to allocate to the target volume
if setobj.targetusable is None:
# iSCSI is special, again. Grr.
if srcvol.protocol == 'iscsi':
setobj.targetusable = srcvol.iscsi_usable * setobj.multiplier
else:
log.debug("usable: %f", srcvol.usable)
log.debug("multiplier: %f", setobj.multiplier)
setobj.targetusable = srcvol.usable * setobj.multiplier
pass
# target volume name is the src volume name with a 'b' suffix
xmldata = """
<volume name="%s%s" type="snapvaultdst"
usable="%s"
raw="%s"
snapreserve="%s"
protocol="%s" />""" % ( srcvol.name,
setobj.targetsuffix,
setobj.targetusable,
setobj.targetusable,
0,
srcvol.protocol,
)
node = etree.fromstring(xmldata)
targetvol = Volume()
targetvol.configure_from_node(node, defaults, targetaggr)
targetaggr.add_child(targetvol)
# end determination of target volume
log.debug("Created snapvault targetvol: %s", targetvol)
# If the target volume or aggregate are actually defined in
# the XML, and use those settings for autosize and autodelete.
#targetvol = self.set_volume_autosize(targetvol, targetvol.filer.name, targetvol.aggregate)
#targetvol = self.set_volume_autodelete(targetvol, targetvol.filer.name, targetvol.aggregate)
# Add the snapvaults themselves
if len(setobj.get_snapvaultdefs()) == 0:
log.warn("No snapvault defininitions provided for snapvaultset")
pass
log.debug("snapdefs: %s", setobj.get_snapvaultdefs() )
for svdef in setobj.get_snapvaultdefs():
sv = SnapVault(srcvol, targetvol,
svdef.basename,
svdef.snapschedule,
svdef.snapvaultschedule,
)
#srcvol.snapvaults.append(sv)
#targetvol.snapvaults.append(sv)
log.debug("Added snapvault: %s", sv)
def create_snapmirrors_for(self, srcvol, defaults):
"""
Create snapmirror volumes for a source volume.
"""
log.debug("Attempting to create snapmirror for srcvol: %s", srcvol)
# get the snapmirrorset for the volume
for ref in srcvol.get_snapmirror_setrefs():
log.debug("Found reference: %s", ref)
# Check that the reference refers to a defined snapmirrorset
try:
setobj = [ x for x in self.get_snapmirrorsets() if x.name == ref.name ][0]
except IndexError:
log.error("Cannot find snapmirrorset definition '%s'" % ref)
raise KeyError("snapmirrorset not defined: '%s'" % ref)
target_filername = setobj.targetfiler
if target_filername is None:
# No target filer specified, so use the first primary at a site other than the source
# This auto-created DR snapmirrors, but may not be what you mean.
target_filername = self.tree.xpath("site[not(@type = '%s')]/filer[@type = 'primary']/@name" % srcvol.filer.site.type)[0]
log.warn("No destination for snapmirror provided, using '%s'" % target_filername)
pass
try:
target_filer = [x for x in self.get_filers() if x.name == target_filername ][0]
except IndexError:
raise KeyError("Snapmirror target is an unknown filer name: '%s'" % target_filername)
# Find the target aggregate.
targetaggr = self.find_target_aggr(target_filer, setobj.targetaggregate, defaults)
# target volume name is the src volume name with a 'r' suffix
xmldata = """
<volume name="%s%s" type="snapmirrordst"
usable="%s"
raw="%s"
snapreserve="%s"
protocol="%s" />""" % ( srcvol.name,
setobj.targetsuffix,
srcvol.usable,
srcvol.raw,
srcvol.snapreserve,
srcvol.protocol,
)
node = etree.fromstring(xmldata)
targetvol = Volume()
targetvol.configure_from_node(node, defaults, targetaggr)
targetaggr.add_child(targetvol)
log.debug("Created snapmirror targetvol: %s", targetvol)
for sched in setobj.get_snapmirrorschedules():
sm = SnapMirror(srcvol, targetvol,
sched.minute,
sched.hour,
sched.dayofmonth,
sched.dayofweek,
)
self.snapmirrors.append(sm)
log.debug("added snapmirror: %s", sm)
pass
def create_snapvaults_for(self, srcvol, defaults):
"""
Create snapvault volumes for a source volume.
"""
log.debug("Attempting to create snapvault for srcvol: %s", srcvol)
# get the snapvaultset for the volume
# If the volume is of certain types, don't back them up
# if srcvol.type in ['oraredo', 'oracm' ]:
# log.info("Not backing up volume '%s' of type '%s'", srcvol.name, srcvol.type)
# return
# Create target volumes based on the snapvault definition
for ref in srcvol.get_snapvault_setrefs():
log.debug("Found reference: %s", ref.name)
try:
log.debug("snapvaultsets: %s",
[x.name for x in self.get_snapvaultsets()])
setobj = [
x for x in self.get_snapvaultsets() if x.name == ref.name
][0]
except IndexError:
raise KeyError("Cannot find snapvaultset definition '%s'" %
ref.name)
# If a target volume has been pre-defined, we'll use that.
# Otherwise, we'll invent one based on certain rules and settings.
target_filername = setobj.targetfiler
try:
target_filer = [
x for x in self.get_filers() if x.name == target_filername
][0]
except IndexError:
raise KeyError(
"SnapVault target is an unknown filer name: '%s'" %
target_filername)
# If the target volume name is specified, use that
if setobj.targetvolume is not None:
try:
targetvol = [
x for x in target_filer.get_volumes()
if x.name == setobj.targetvolume
][0]
except IndexError:
raise KeyError(
"SnapVault targetvolume '%s' does not exist" %
setobj.targetvolume)
log.debug("Found specific volume: %s", targetvol)
# Set the type of the volume to be a snapvault destination
targetvol.type = 'snapvaultdst'
pass
# otherwise, invent a target volume, and use that instead
else:
# Find the target aggregate for the snapvault
targetaggr = self.find_target_aggr(target_filer,
setobj.targetaggregate,
defaults)
# Figure out how much usable storage to allocate to the target volume
if setobj.targetusable is None:
# iSCSI is special, again. Grr.
if srcvol.protocol == 'iscsi':
setobj.targetusable = srcvol.iscsi_usable * setobj.multiplier
else:
log.debug("usable: %f", srcvol.usable)
log.debug("multiplier: %f", setobj.multiplier)
setobj.targetusable = srcvol.usable * setobj.multiplier
pass
# target volume name is the src volume name with a 'b' suffix
xmldata = """
<volume name="%s%s" type="snapvaultdst"
usable="%s"
raw="%s"
snapreserve="%s"
protocol="%s" />""" % (
srcvol.name,
setobj.targetsuffix,
setobj.targetusable,
setobj.targetusable,
0,
srcvol.protocol,
)
node = etree.fromstring(xmldata)
targetvol = Volume()
targetvol.configure_from_node(node, defaults, targetaggr)
targetaggr.add_child(targetvol)
# end determination of target volume
log.debug("Created snapvault targetvol: %s", targetvol)
# If the target volume or aggregate are actually defined in
# the XML, and use those settings for autosize and autodelete.
#targetvol = self.set_volume_autosize(targetvol, targetvol.filer.name, targetvol.aggregate)
#targetvol = self.set_volume_autodelete(targetvol, targetvol.filer.name, targetvol.aggregate)
# Add the snapvaults themselves
if len(setobj.get_snapvaultdefs()) == 0:
log.warn(
"No snapvault defininitions provided for snapvaultset")
pass
log.debug("snapdefs: %s", setobj.get_snapvaultdefs())
for svdef in setobj.get_snapvaultdefs():
sv = SnapVault(
srcvol,
targetvol,
svdef.basename,
svdef.snapschedule,
svdef.snapvaultschedule,
)
#srcvol.snapvaults.append(sv)
#targetvol.snapvaults.append(sv)
log.debug("Added snapvault: %s", sv)
def create_snapmirrors_for(self, srcvol, defaults):
"""
Create snapmirror volumes for a source volume.
"""
log.debug("Attempting to create snapmirror for srcvol: %s", srcvol)
# get the snapmirrorset for the volume
for ref in srcvol.get_snapmirror_setrefs():
log.debug("Found reference: %s", ref)
# Check that the reference refers to a defined snapmirrorset
try:
setobj = [
x for x in self.get_snapmirrorsets() if x.name == ref.name
][0]
except IndexError:
log.error("Cannot find snapmirrorset definition '%s'" % ref)
raise KeyError("snapmirrorset not defined: '%s'" % ref)
target_filername = setobj.targetfiler
if target_filername is None:
# No target filer specified, so use the first primary at a site other than the source
# This auto-created DR snapmirrors, but may not be what you mean.
target_filername = self.tree.xpath(
"site[not(@type = '%s')]/filer[@type = 'primary']/@name" %
srcvol.filer.site.type)[0]
log.warn("No destination for snapmirror provided, using '%s'" %
target_filername)
pass
try:
target_filer = [
x for x in self.get_filers() if x.name == target_filername
][0]
except IndexError:
raise KeyError(
"Snapmirror target is an unknown filer name: '%s'" %
target_filername)
# Find the target aggregate.
targetaggr = self.find_target_aggr(target_filer,
setobj.targetaggregate,
defaults)
# target volume name is the src volume name with a 'r' suffix
xmldata = """
<volume name="%s%s" type="snapmirrordst"
usable="%s"
raw="%s"
snapreserve="%s"
protocol="%s" />""" % (
srcvol.name,
setobj.targetsuffix,
srcvol.usable,
srcvol.raw,
srcvol.snapreserve,
srcvol.protocol,
)
node = etree.fromstring(xmldata)
targetvol = Volume()
targetvol.configure_from_node(node, defaults, targetaggr)
targetaggr.add_child(targetvol)
log.debug("Created snapmirror targetvol: %s", targetvol)
for sched in setobj.get_snapmirrorschedules():
sm = SnapMirror(
srcvol,
targetvol,
sched.minute,
sched.hour,
sched.dayofmonth,
sched.dayofweek,
)
self.snapmirrors.append(sm)
log.debug("added snapmirror: %s", sm)
pass
