def commit(self):
try:
model = defaults.KDump()
if "OVIRT_KDUMP_SSH" in OVIRT_VARS and \
"OVIRT_KDUMP_SSH_KEY" in OVIRT_VARS:
model.configure_ssh(OVIRT_VARS["OVIRT_KDUMP_SSH"],
OVIRT_VARS["OVIRT_KDUMP_SSH_KEY"])
elif "OVIRT_KDUMP_NFS" in OVIRT_VARS:
model.configure_nfs(OVIRT_VARS["OVIRT_KDUMP_NFS"])
elif "OVIRT_DISABLE_KDUMP" in OVIRT_VARS:
model.configure_disable()
else:
model.configure_local()
tx = model.transaction()
tx()
except:
kdump_args = [
"OVIRT_KDUMP_SSH", "OVIRT_KDUMP_SSH_KEY", "OVIRT_KDUMP_NFS",
"OVIRT_KDUMP_LOCAL"
]
logger.warning("Unknown kdump configuration: %s" %
" ".join([x
for x in kdump_args if x in OVIRT_VARS]))
def commit(self):
try:
model = defaults.KDump()
model.configure_local()
tx = model.transaction()
tx()
except:
self.logger.info("Could not configure local kdump!")
def restore_config(self, saved_model):
model = defaults.KDump()
if saved_model["kdump.type"] == "nfs":
model.configure_nfs(saved_model["kdump.nfs_location"])
elif saved_model["kdump.type"] == "kdump.ssh_location":
if self.model()["kdump.ssh_key"]:
model.configure_ssh(saved_model['kdump.ssh_location'],
saved_model['kdump.ssh_key'])
else:
model.configure_ssh(saved_model['kdump.ssh_location'])
elif saved_model["kdump.type"] == "local":
model.configure_local()
else:
model.configure_disable()
def model(self):
"""Returns the model of this plugin
This is expected to parse files and all stuff to build up the model.
"""
cfg = defaults.KDump().retrieve()
ktype = "disabled"
for k in ["local", "ssh", "nfs"]:
if cfg[k]:
ktype = k
break
model = {
# The target address
"kdump.type": ktype,
"kdump.ssh_location": cfg["ssh"] or "",
"kdump.nfs_location": cfg["nfs"] or "",
}
self.logger.debug(model)
return model
def on_merge(self, effective_changes):
"""Applies the changes to the plugins model, will do all required logic
Normally on_merge is called by pushing the SaveButton instance, in this
case it is called by on_change
"""
self.logger.debug("Saving kdump page")
changes = Changeset(self.pending_changes(False))
effective_model = Changeset(self.model())
effective_model.update(effective_changes)
self.logger.debug("Changes: %s" % changes)
self.logger.debug("Effective Model: %s" % effective_model)
kdump_keys = ["kdump.type", "kdump.ssh_location", "kdump.nfs_location"]
txs = utils.Transaction("Updating kdump related configuration")
if changes.contains_any(kdump_keys):
model = defaults.KDump()
ktype, sshloc, nfsloc = effective_model.values_for(kdump_keys)
if ktype == "nfs":
model.update(nfsloc, None, None)
elif ktype == "ssh":
model.update(None, sshloc, None)
elif ktype == "local":
model.update(None, None, True)
else:
model.update(None, None, None)
txs += model.transaction()
try:
with self.application.ui.suspended():
console.reset()
is_dry = self.application.args.dry
progress_dialog = console.TransactionProgress(txs, is_dry)
progress_dialog.run()
console.writeln("\nPlease press any key to continue")
console.wait_for_keypress()
except Exception as e:
self.logger.exception("Exception while configuring kdump")
return InfoDialog("dialog.info", "An error occurred", e.message)
def on_merge(self, effective_changes):
"""Applies the changes to the plugins model, will do all required logic
Normally on_merge is called by pushing the SaveButton instance, in this
case it is called by on_change
"""
self.logger.debug("Saving kdump page")
changes = Changeset(self.pending_changes(False))
effective_model = Changeset(self.model())
saved_model = self.model()
effective_model.update(effective_changes)
self.logger.debug("Changes: %s" % changes)
self.logger.debug("Effective Model: %s" % effective_model)
kdump_keys = [
"kdump.type", "kdump.ssh_location", "kdump.ssh_key",
"kdump.nfs_location"
]
txs = utils.Transaction(_("Updating kdump related configuration"))
if changes.contains_any(kdump_keys):
model = defaults.KDump()
ktype, sshloc, sshkey, nfsloc = effective_model.values_for(
kdump_keys)
if ktype == "nfs":
model.configure_nfs(nfsloc)
elif ktype == "ssh":
if "kdump.ssh_key" in changes:
model.configure_ssh(sshloc, sshkey)
else:
model.configure_ssh(sshloc)
elif ktype == "local":
model.configure_local()
else:
model.configure_disable()
txs += model.transaction()
try:
with self.application.ui.suspended():
console.reset()
is_dry = self.application.args.dry
progress_dialog = console.TransactionProgress(txs, is_dry)
progress_dialog.run()
console.writeln("\nPlease press any key to continue")
console.wait_for_keypress()
except KeyboardInterrupt:
def _handler(signum, frame):
console.writeln("\nWait for configuration to be restored\n")
with self.application.ui.suspended():
_original_sigint = signal.getsignal(signal.SIGINT)
signal.signal(signal.SIGINT, _handler)
self.restore_config(saved_model)
signal.signal(signal.SIGINT, _original_sigint)
return InfoDialog(
"dialog.restore", "Restored the "
"configuration on keyboard interrupt")
except Exception as e:
self.restore_config(saved_model)
self.logger.exception("Exception while configuring kdump")
self.application.show(self.ui_content())
return InfoDialog("dialog.info", "An error occurred", e.message)
return self.ui_content()
