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firstboot code cleanup

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variables and code cleanup
For example, below variables are changed:
kdumpMem -> kdumpMemspin
memSpin -> memAdjustment
remMem -> remainingMem
resMem -> reserveMem
kdumpMem -> reservedMem

Signed-off-by: Dave Young <dyoung@redhat.com>
Reviewed-by: Vivek Goyal <vgoyal@redhat.com>
This commit is contained in:
Dave Young 2012-08-28 16:21:55 +08:00
parent 864fb123f8
commit 1c9add2a5f
1 changed files with 24 additions and 25 deletions
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49
firstboot_kdump.py
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@ -73,7 +73,7 @@ class moduleClass(Module):
# toggle sensitivity of kdump config bits
def showHide(self, status):
self.totalMem.set_sensitive(status)
self.kdumpMem.set_sensitive(status)
self.kdumpMemspin.set_sensitive(status)
self.systemUsableMem.set_sensitive(status)
self.labelTotal.set_sensitive(status)
self.labelKdump.set_sensitive(status)
@ -86,8 +86,8 @@ class moduleClass(Module):
self.showHide(showHideStatus)
def updateAvail(self, widget, spin):
self.remMem = self.availMem - spin.get_value_as_int()
self.systemUsableMem.set_text("%s" % self.remMem)
self.remainingMem = self.availMem - spin.get_value_as_int()
self.systemUsableMem.set_text("%s" % self.remainingMem)
def getBootloader(self):
for (name, (conf, offset)) in self.bootloaders.items():
@ -145,9 +145,10 @@ class moduleClass(Module):
self.kdumpMemInitial = 0
kexec_crash_size = open("/sys/kernel/kexec_crash_size").read()
self.kdumpMem = int(kexec_crash_size)/(1024*1024)
self.reservedMem = int(kexec_crash_size)/(1024*1024)
self.kdumpMem = 0
if self.kdumpMem != 0:
if cmdLine.find("crashkernel") != -1:
crashString = filter(lambda t: t.startswith("crashkernel="),
cmdLine.split())[0].split("=")[1]
if self.doDebug:
@ -155,8 +156,9 @@ class moduleClass(Module):
if crashString.find("@") != -1:
(self.kdumpMem, self.kdumpOffset) = [int(m[:-1]) for m in crashString.split("@")]
else:
self.kdumpMem=int(crashString[:-1])
self.kdumpOffset = 0
self.availMem += self.kdumpMem
self.availMem += self.reservedMem
self.origCrashKernel = "%dM" % (self.kdumpMem)
self.kdumpMemInitial = self.kdumpMem
self.kdumpEnabled = True
@ -208,20 +210,20 @@ class moduleClass(Module):
self.labelTotal.set_width_chars(32)
# how much ram to reserve for kdump
self.memSpin = gtk.Adjustment(self.kdumpMem, lowerBound, upperBound, step, step, 64)
self.kdumpMem = gtk.SpinButton(self.memSpin, 0, 0)
self.kdumpMem.set_update_policy(gtk.UPDATE_IF_VALID)
self.kdumpMem.set_numeric(True)
self.memSpin.connect("value_changed", self.updateAvail, self.kdumpMem)
self.memAdjustment = gtk.Adjustment(self.kdumpMem, lowerBound, upperBound, step, step, 64)
self.kdumpMemspin = gtk.SpinButton(self.memAdjustment, 0, 0)
self.kdumpMemspin.set_update_policy(gtk.UPDATE_IF_VALID)
self.kdumpMemspin.set_numeric(True)
self.memAdjustment.connect("value_changed", self.updateAvail, self.kdumpMemspin)
self.labelKdump = gtk.Label(_("_Kdump Memory (MB):"))
self.labelKdump.set_use_underline(True)
self.labelKdump.set_mnemonic_widget(self.kdumpMem)
self.labelKdump.set_mnemonic_widget(self.kdumpMemspin)
self.labelKdump.set_alignment(0.0, 0.5)
# remaining usable system memory
self.resMem = eval(string.strip(self.kdumpMem.get_text()))
self.remMem = self.availMem - self.resMem
self.systemUsableMem = gtk.Label(_("%s" % self.remMem))
self.reserveMem = eval(string.strip(self.kdumpMemspin.get_text()))
self.remainingMem = self.availMem - self.reserveMem
self.systemUsableMem = gtk.Label(_("%s" % self.remainingMem))
self.labelSys = gtk.Label(_("_Usable System Memory (MB):"))
self.labelSys.set_use_underline(True)
self.labelSys.set_mnemonic_widget(self.systemUsableMem)
@ -272,7 +274,7 @@ class moduleClass(Module):
table.attach(self.totalMem, 1, 2, 1, 2, gtk.SHRINK, gtk.FILL, 5, 5)
table.attach(self.labelKdump, 0, 1, 2, 3, gtk.FILL)
table.attach(self.kdumpMem, 1, 2, 2, 3, gtk.SHRINK, gtk.FILL, 5, 5)
table.attach(self.kdumpMemspin, 1, 2, 2, 3, gtk.SHRINK, gtk.FILL, 5, 5)
table.attach(self.labelSys, 0, 1, 3, 4, gtk.FILL)
table.attach(self.systemUsableMem, 1, 2, 3, 4, gtk.SHRINK, gtk.FILL, 5, 5)
@ -298,17 +300,14 @@ class moduleClass(Module):
def apply(self, *args):
if self.kdumpEnabled:
totalSysMem = self.totalMem.get_text()
totalSysMem = eval(string.strip(totalSysMem))
reservedMem = self.kdumpMem.get_value_as_int()
remainingMem = totalSysMem - reservedMem
self.reserveMem = self.kdumpMemspin.get_value_as_int()
else:
reservedMem = self.kdumpMemInitial
self.reserveMem = self.kdumpMemInitial
self.remainingMem = self.availMem - self.reserveMem
if self.doDebug:
print "Running kernel %s on %s architecture" % (self.runningKernel, self.arch)
if self.enableKdumpCheck.get_active():
print "System Mem: %s MB Kdump Mem: %s MB Avail Mem: %s MB" % (totalSysMem, reservedMem, remainingMem)
print "System Mem: %s MB Kdump Mem: %s MB Avail Mem: %s MB" % (totalSysMem, self.reserveMem, self.remainingMem)
else:
print "Kdump will be disabled"
@ -344,7 +343,7 @@ class moduleClass(Module):
return RESULT_FAILURE
# Don't alert if nothing has changed
if self.initialState != self.kdumpEnabled or reservedMem != self.kdumpMemInitial:
if self.initialState != self.kdumpEnabled or self.reserveMem != self.kdumpMemInitial:
dlg = gtk.MessageDialog(None, 0, gtk.MESSAGE_INFO,
gtk.BUTTONS_YES_NO,
_("Changing Kdump settings requires rebooting the "
@ -372,7 +371,7 @@ class moduleClass(Module):
# Are we adding or removing the crashkernel param?
if self.kdumpEnabled:
grubbyCmd = "/sbin/grubby --%s --update-kernel=/boot/vmlinuz-%s --args=crashkernel=%iM" \
% (self.bootloader, self.runningKernel, reservedMem)
% (self.bootloader, self.runningKernel, self.reserveMem)
chkconfigStatus = "enable"
else:
grubbyCmd = "/sbin/grubby --%s --update-kernel=/boot/vmlinuz-%s --remove-args=crashkernel=%s" \