def render_installation_model(self, ctx, data):
root = livecddb.get_livecd_database_root()
if root.hasS(ns_ui.installLargeDisk) and root.getS(
ns_ui.installLargeDisk, rdf.Boolean):
return 'Install with separate /boot and root partitions'
else:
return 'Install with single root partition'
def submitted_select_target(self, ctx, form, data):
print 'submitted_select_target'
# XXX: target selection error messages as constants?
fda = formalutils.FormDataAccessor(form, [], ctx)
target = None
recovery = False
large_install = False
try:
target = form.data['selecttarget.target']
print 'selected target: %s' % target
medium = mediahelper.get_media().get_medium_by_device_name(target)
if medium.get_size() < constants.DISK_SIZE_MINIMUM:
fda.add_error('selecttarget.target', 'Minimum target medium size is 2 GB')
if medium.is_write_protected():
fda.add_error('selecttarget.target', 'Target medium is write-protected')
if form.data.has_key('selecttarget.recovery'):
recovery = form.data['selecttarget.recovery']
if medium.get_size() >= constants.DISK_SIZE_MINIMUM_FOR_LARGE_INSTALL:
large_install = True
except:
fda.add_error('selecttarget.target', 'Target medium cannot be selected')
fda.finalize_validation()
root = livecddb.get_livecd_database_root()
root.setS(ns_ui.targetDevice, rdf.String, target)
root.setS(ns_ui.attemptRecovery, rdf.Boolean, recovery)
root.removeNodes(ns_ui.previousConfigurationRdfXml)
root.removeNodes(ns_ui.previousInstalledVersion)
# Recovery check here
if recovery:
print 'attempting recovery from %s' % target
try:
prev_cfg, prev_version = installhelpers.recover_existing_configuration(target)
if prev_cfg is not None:
root.setS(ns_ui.previousConfigurationRdfXml, rdf.String, prev_cfg.encode('hex'))
if prev_version is not None:
root.setS(ns_ui.previousInstalledVersion, rdf.String, prev_version)
else:
pass
else:
raise Exception('did not find recovery data')
except:
print 'recovery failed'
# Select installation model based on target size
root.setS(ns_ui.installLargeDisk, rdf.Boolean, large_install)
print livecddb.dump_livecd_database()
request = inevow.IRequest(ctx)
request.redirect(request.URLPath().sibling('installconfirm.html'))
return ''
def form_select_target(self, ctx):
form = formal.Form()
g = formalutils.CollapsibleGroup('selecttarget', label='Installation Targets')
g.setCollapsed(False)
targets = []
for m in self._get_disks():
errors = []
if m.get_size() < constants.DISK_SIZE_MINIMUM:
errors.append('device too small')
if m.is_write_protected():
errors.append('write-protected')
if errors:
errorstr = ' [' + (', '.join(errors)) + ']'
else:
errorstr = ''
devname = m.get_device()
devstring = '%s %s (%s) %s' % (m.get_size_pretty(), m.get_human_readable_description(), m.get_device(), errorstr)
targets.append((devname, devstring))
def _target_cmp(x, y):
x_dev, x_info = x
y_dev, y_info = y
return unicode.__cmp__(unicode(x_dev), unicode(y_dev))
targets.sort(cmp=_target_cmp)
# XXX: we can't currently disable individual radiobuttons in Formal.
# We thus leave them enabled, and check for device size below. This
# is unfortunate, but better than not showing small devices at all
lbl = 'Target device'
g.add(formal.Field('target', formal.String(required=True),
formal.widgetFactory(formal.RadioChoice, options=targets),
label=lbl))
g.add(formal.Field('recovery', formal.Boolean(required=False), label='Attempt recovery'))
sg = formalutils.SubmitFieldGroup('buttons')
sg.add(formalutils.SubmitField('selecttarget', formal.String(), label='Next'))
sg.add(formalutils.SubmitField('rescan', formal.String(), label='Rescan'))
sg.add(formalutils.SubmitField('cancel', formal.String(), label='Cancel'))
g.add(sg)
form.add(g)
form.addAction(self.submitted_select_target, name='selecttarget', label='Next', validate=False)
form.addAction(self.submitted_rescan, name='rescan', label='Rescan', validate=False)
form.addAction(self.submitted_cancel_installation, name='cancel', label='Cancel', validate=False)
# set previous selection if exists as default value
cfg = livecddb.get_livecd_database_root()
if cfg.hasS(ns_ui.targetDevice):
form.data['selecttarget.target'] = cfg.getS(ns_ui.targetDevice, rdf.String)
if cfg.hasS(ns_ui.attemptRecovery):
form.data['selecttarget.recovery'] = cfg.getS(ns_ui.attemptRecovery, rdf.Boolean)
return form
def render_reset_state(self, ctx, data):
# reset selected device for installer/formatter
# don't nuke whole database, because we want to remember install failed -case
root = livecddb.get_livecd_database_root()
root.removeNodes(ns_ui.targetDevice)
root.removeNodes(ns_ui.attemptRecovery)
root.removeNodes(ns_ui.previousConfigurationRdfXml)
root.removeNodes(ns_ui.previousInstalledVersion)
root.removeNodes(ns_ui.installLargeDisk)
return ''
def render_recovery(self, ctx, data):
root = livecddb.get_livecd_database_root()
if root.hasS(ns_ui.attemptRecovery) and root.getS(ns_ui.attemptRecovery, rdf.Boolean):
if root.hasS(ns_ui.previousConfigurationRdfXml):
ver_str = 'unknown'
if root.hasS(ns_ui.previousInstalledVersion):
ver_str = root.getS(ns_ui.previousInstalledVersion, rdf.String)
return 'Previous installation found (version %s), attempting recovery of previous configuration' % ver_str
else:
return 'No previous installation found, cannot recover previous configuration'
else:
return 'Recovery of previous configuration not attempted (overwrite any existing data)'
def submitted_select_target(self, ctx, form, data):
print 'submitted_select_target'
fda = formalutils.FormDataAccessor(form, [], ctx)
try:
target = form.data['selecttarget.target']
print 'selected target: %s' % target
medium = mediahelper.get_media().get_medium_by_device_name(target)
if medium.is_write_protected():
fda.add_error('selecttarget.target', 'Target medium is write-protected')
except:
fda.add_error('selecttarget.target', 'Target medium cannot be selected')
fda.finalize_validation()
livecddb.get_livecd_database_root().setS(ns_ui.targetDevice, rdf.String, target)
print livecddb.dump_livecd_database()
request = inevow.IRequest(ctx)
request.redirect(request.URLPath().sibling('formatconfirm.html'))
return ''
def render_recovery(self, ctx, data):
root = livecddb.get_livecd_database_root()
if root.hasS(ns_ui.attemptRecovery) and root.getS(
ns_ui.attemptRecovery, rdf.Boolean):
if root.hasS(ns_ui.previousConfigurationRdfXml):
ver_str = 'unknown'
if root.hasS(ns_ui.previousInstalledVersion):
ver_str = root.getS(ns_ui.previousInstalledVersion,
rdf.String)
return 'Previous installation found (version %s), attempting recovery of previous configuration' % ver_str
else:
return 'No previous installation found, cannot recover previous configuration'
else:
return 'Recovery of previous configuration not attempted (overwrite any existing data)'
def form_select_target(self, ctx):
form = formal.Form()
g = formalutils.CollapsibleGroup('selecttarget', label='Select Target Device')
g.setCollapsed(False)
targets = []
for m in self._get_disks():
errors = []
if m.is_write_protected():
errors.append('write-protected')
if errors:
errorstr = ' [' + (', '.join(errors)) + ']'
else:
errorstr = ''
devname = m.get_device()
devstring = '%s %s (%s) %s' % (m.get_size_pretty(), m.get_human_readable_description(), m.get_device(), errorstr)
targets.append((devname, devstring))
def _target_cmp(x, y):
x_dev, x_info = x
y_dev, y_info = y
return unicode.__cmp__(unicode(x_dev), unicode(y_dev))
targets.sort(cmp=_target_cmp)
lbl = 'Target device'
g.add(formal.Field('target', formal.String(required=True),
formal.widgetFactory(formal.RadioChoice, options=targets),
label=lbl))
sg = formalutils.SubmitFieldGroup('buttons')
sg.add(formalutils.SubmitField('selecttarget', formal.String(), label='Next'))
sg.add(formalutils.SubmitField('rescan', formal.String(), label='Rescan'))
sg.add(formalutils.SubmitField('cancel', formal.String(), label='Cancel'))
g.add(sg)
form.add(g)
form.addAction(self.submitted_select_target, name='selecttarget', label='Continue', validate=False)
form.addAction(self.submitted_rescan, name='rescan', label='Rescan targets', validate=False)
form.addAction(self.submitted_cancel_formatting, name='cancel', label='Cancel formatting', validate=False)
# set previous selection if exists as default value
cfg = livecddb.get_livecd_database_root()
if cfg.hasS(ns_ui.targetDevice):
form.data['selecttarget.target'] = cfg.getS(ns_ui.targetDevice, rdf.String)
return form
def submitted_confirm_formatting(self, ctx, form, data):
debug_install = True
print 'submitted_confirm_formatting'
# Fire up the formatter
# XXX: we should track previous instance and kill it if necessary
for i in [ constants.INSTALL_STATUS_FILE,
constants.INSTALL_STDOUT,
constants.INSTALL_STDERR ]:
if os.path.exists(i):
os.unlink(i)
# arguments
target = livecddb.get_livecd_database_root().getS(ns_ui.targetDevice, rdf.String)
cmd = constants.CMD_L2TPGW_INSTALL
args = [ constants.CMD_L2TPGW_INSTALL,
'fatformat', # command
target, # target device
'vpnease-%s' % passwordgen.generate_password(length=8), # hostname
constants.ADMIN_USER_NAME, # admin user
passwordgen.generate_password(length=8), # admin password
'0' ] # large install ('1' or '0')
# env
env = None
if debug_install:
env = dict(os.environ)
env['CODEBAY_LOGGER_DEBUG'] = '1'
env['CODEBAY_LOGGER_STDOUT'] = '1'
print 'spawning installer (format), cmd=%s, args=%s, env=%s' % (cmd, args, env)
# XXX: we should track the process more carefully
p = reactor.spawnProcess(InstallerProcessProtocol(),
executable=cmd,
args=args,
env=env,
usePTY=1)
request = inevow.IRequest(ctx)
request.redirect(request.URLPath().sibling('formatprogress.html'))
request.finish()
return ''
def render_targetmedium(self, ctx, data):
return livecddb.get_livecd_database_root().getS(ns_ui.targetDevice, rdf.String)
def render_bustype(self, ctx, data):
target = livecddb.get_livecd_database_root().getS(ns_ui.targetDevice, rdf.String)
medium = mediahelper.get_media().get_medium_by_device_name(target)
return medium.get_human_readable_bus_type()
def render_sizebytes(self, ctx, data):
target = livecddb.get_livecd_database_root().getS(ns_ui.targetDevice, rdf.String)
medium = mediahelper.get_media().get_medium_by_device_name(target)
return medium.get_size()
def render_bustype(self, ctx, data):
target = livecddb.get_livecd_database_root().getS(ns_ui.targetDevice, rdf.String)
medium = mediahelper.get_media().get_medium_by_device_name(target)
return medium.get_human_readable_bus_type()
def render_reset_state(self, ctx, data):
# reset selected device for installer/formatter
# don't nuke whole database, because we want to remember install failed -case
root = livecddb.get_livecd_database_root()
root.removeNodes(ns_ui.targetDevice)
return ''
def render_reset_state(self, ctx, data):
# reset selected device for installer/formatter
# don't nuke whole database, because we want to remember install failed -case
root = livecddb.get_livecd_database_root()
root.removeNodes(ns_ui.targetDevice)
return ''
def render_installation_model(self, ctx, data):
root = livecddb.get_livecd_database_root()
if root.hasS(ns_ui.installLargeDisk) and root.getS(ns_ui.installLargeDisk, rdf.Boolean):
return 'Install with separate /boot and root partitions'
else:
return 'Install with single root partition'
def submitted_confirm_installation(self, ctx, form, data):
debug_install = True
root = livecddb.get_livecd_database_root()
print 'submitted_confirm_installation'
# If a previous install has failed, we cannot allow install to begin.
# This is because current installer may corrupt host filesystem state
# in case install fails (see codebay.l2tpserver.installer.install).
if root.hasS(ns_ui.installHasBeenStarted):
print 'earlier install run, refusing to install'
# XXX: separate page?
request = inevow.IRequest(ctx)
request.redirect(request.URLPath().sibling('installfailed.html'))
request.finish()
return ''
# If recovery attempted, write recovery rdf/xml to a temp file
recovery_rdfxml = '/tmp/recovery-data.xml'
if os.path.exists(recovery_rdfxml):
os.unlink(recovery_rdfxml)
if root.hasS(ns_ui.previousConfigurationRdfXml):
f = None
try:
f = open(recovery_rdfxml, 'wb')
f.write(root.getS(ns_ui.previousConfigurationRdfXml, rdf.String).decode('hex'))
finally:
if f is not None:
f.close()
f = None
else:
recovery_rdfxml = None
# Large install
large_install_param = '0'
if root.hasS(ns_ui.installLargeDisk) and root.getS(ns_ui.installLargeDisk, rdf.Boolean):
large_install_param = '1'
# Fire up the installer
#
# The underlying assumption here is that prechecks are strong enough to
# prevent install failures from occurring - install failures are not recoverable.
#
# NB: Because we're running a shell command, we need strict control of what
# goes into these fields. They are not likely to be exploits as such, but
# can cause interesting failures.
#
# As such, it would be better to run the installer through Twisted; we could
# process the stdout inside the UI code and so on. However, this is enough
# for now: the Twisted change can be done later if it adds any value to this.
#
# XXX: passwordgen is not ideal for hostname 'uid' generation, but works.
# XXX: we should track previous instance and kill it if necessary
for i in [ constants.INSTALL_STATUS_FILE,
constants.INSTALL_STDOUT,
constants.INSTALL_STDERR ]:
if os.path.exists(i):
os.unlink(i)
# arguments
target = root.getS(ns_ui.targetDevice, rdf.String)
cmd = constants.CMD_L2TPGW_INSTALL
args = [ constants.CMD_L2TPGW_INSTALL,
'install', # command
target, # target device
'vpnease-%s' % passwordgen.generate_password(length=8), # hostname
constants.ADMIN_USER_NAME, # admin user
passwordgen.generate_password(length=8), # admin password
large_install_param ] # large install ('1' or '0')
if recovery_rdfxml is not None:
args.append(recovery_rdfxml)
# env
env = None
if debug_install:
env = dict(os.environ)
env['CODEBAY_LOGGER_DEBUG'] = '1'
env['CODEBAY_LOGGER_STDOUT'] = '1'
print 'spawning installer, cmd=%s, args=%s, env=%s' % (cmd, args, env)
# XXX: we should track the process more carefully
p = reactor.spawnProcess(InstallerProcessProtocol(),
executable=cmd,
args=args,
env=env,
usePTY=1)
# set 'sticky' marker: second install start will be refused
root.setS(ns_ui.installHasBeenStarted, rdf.Boolean, True)
request = inevow.IRequest(ctx)
request.redirect(request.URLPath().sibling('installcopying.html'))
request.finish()
return ''
def submitted_confirm_installation(self, ctx, form, data):
debug_install = True
root = livecddb.get_livecd_database_root()
print 'submitted_confirm_installation'
# If a previous install has failed, we cannot allow install to begin.
# This is because current installer may corrupt host filesystem state
# in case install fails (see codebay.l2tpserver.installer.install).
if root.hasS(ns_ui.installHasBeenStarted):
print 'earlier install run, refusing to install'
# XXX: separate page?
request = inevow.IRequest(ctx)
request.redirect(request.URLPath().sibling('installfailed.html'))
request.finish()
return ''
# If recovery attempted, write recovery rdf/xml to a temp file
recovery_rdfxml = '/tmp/recovery-data.xml'
if os.path.exists(recovery_rdfxml):
os.unlink(recovery_rdfxml)
if root.hasS(ns_ui.previousConfigurationRdfXml):
f = None
try:
f = open(recovery_rdfxml, 'wb')
f.write(
root.getS(ns_ui.previousConfigurationRdfXml,
rdf.String).decode('hex'))
finally:
if f is not None:
f.close()
f = None
else:
recovery_rdfxml = None
# Large install
large_install_param = '0'
if root.hasS(ns_ui.installLargeDisk) and root.getS(
ns_ui.installLargeDisk, rdf.Boolean):
large_install_param = '1'
# Fire up the installer
#
# The underlying assumption here is that prechecks are strong enough to
# prevent install failures from occurring - install failures are not recoverable.
#
# NB: Because we're running a shell command, we need strict control of what
# goes into these fields. They are not likely to be exploits as such, but
# can cause interesting failures.
#
# As such, it would be better to run the installer through Twisted; we could
# process the stdout inside the UI code and so on. However, this is enough
# for now: the Twisted change can be done later if it adds any value to this.
#
# XXX: passwordgen is not ideal for hostname 'uid' generation, but works.
# XXX: we should track previous instance and kill it if necessary
for i in [
constants.INSTALL_STATUS_FILE, constants.INSTALL_STDOUT,
constants.INSTALL_STDERR
]:
if os.path.exists(i):
os.unlink(i)
# arguments
target = root.getS(ns_ui.targetDevice, rdf.String)
cmd = constants.CMD_L2TPGW_INSTALL
args = [
constants.CMD_L2TPGW_INSTALL,
'install', # command
target, # target device
'vpnease-%s' % passwordgen.generate_password(length=8), # hostname
constants.ADMIN_USER_NAME, # admin user
passwordgen.generate_password(length=8), # admin password
large_install_param
] # large install ('1' or '0')
if recovery_rdfxml is not None:
args.append(recovery_rdfxml)
# env
env = None
if debug_install:
env = dict(os.environ)
env['CODEBAY_LOGGER_DEBUG'] = '1'
env['CODEBAY_LOGGER_STDOUT'] = '1'
print 'spawning installer, cmd=%s, args=%s, env=%s' % (cmd, args, env)
# XXX: we should track the process more carefully
p = reactor.spawnProcess(InstallerProcessProtocol(),
executable=cmd,
args=args,
env=env,
usePTY=1)
# set 'sticky' marker: second install start will be refused
root.setS(ns_ui.installHasBeenStarted, rdf.Boolean, True)
request = inevow.IRequest(ctx)
request.redirect(request.URLPath().sibling('installcopying.html'))
request.finish()
return ''
def form_select_target(self, ctx):
form = formal.Form()
g = formalutils.CollapsibleGroup('selecttarget',
label='Installation Targets')
g.setCollapsed(False)
targets = []
for m in self._get_disks():
errors = []
if m.get_size() < constants.DISK_SIZE_MINIMUM:
errors.append('device too small')
if m.is_write_protected():
errors.append('write-protected')
if errors:
errorstr = ' [' + (', '.join(errors)) + ']'
else:
errorstr = ''
devname = m.get_device()
devstring = '%s %s (%s) %s' % (m.get_size_pretty(),
m.get_human_readable_description(),
m.get_device(), errorstr)
targets.append((devname, devstring))
def _target_cmp(x, y):
x_dev, x_info = x
y_dev, y_info = y
return unicode.__cmp__(unicode(x_dev), unicode(y_dev))
targets.sort(cmp=_target_cmp)
# XXX: we can't currently disable individual radiobuttons in Formal.
# We thus leave them enabled, and check for device size below. This
# is unfortunate, but better than not showing small devices at all
lbl = 'Target device'
g.add(
formal.Field('target',
formal.String(required=True),
formal.widgetFactory(formal.RadioChoice,
options=targets),
label=lbl))
g.add(
formal.Field('recovery',
formal.Boolean(required=False),
label='Attempt recovery'))
sg = formalutils.SubmitFieldGroup('buttons')
sg.add(
formalutils.SubmitField('selecttarget',
formal.String(),
label='Next'))
sg.add(
formalutils.SubmitField('rescan', formal.String(), label='Rescan'))
sg.add(
formalutils.SubmitField('cancel', formal.String(), label='Cancel'))
g.add(sg)
form.add(g)
form.addAction(self.submitted_select_target,
name='selecttarget',
label='Next',
validate=False)
form.addAction(self.submitted_rescan,
name='rescan',
label='Rescan',
validate=False)
form.addAction(self.submitted_cancel_installation,
name='cancel',
label='Cancel',
validate=False)
# set previous selection if exists as default value
cfg = livecddb.get_livecd_database_root()
if cfg.hasS(ns_ui.targetDevice):
form.data['selecttarget.target'] = cfg.getS(
ns_ui.targetDevice, rdf.String)
if cfg.hasS(ns_ui.attemptRecovery):
form.data['selecttarget.recovery'] = cfg.getS(
ns_ui.attemptRecovery, rdf.Boolean)
return form
def submitted_rescan(self, ctx, form, data):
# clear previous selection if exists
cfg = livecddb.get_livecd_database_root()
if cfg.hasS(ns_ui.targetDevice):
cfg.removeNodes(ns_ui.targetDevice)
def submitted_select_target(self, ctx, form, data):
print 'submitted_select_target'
# XXX: target selection error messages as constants?
fda = formalutils.FormDataAccessor(form, [], ctx)
target = None
recovery = False
large_install = False
try:
target = form.data['selecttarget.target']
print 'selected target: %s' % target
medium = mediahelper.get_media().get_medium_by_device_name(target)
if medium.get_size() < constants.DISK_SIZE_MINIMUM:
fda.add_error('selecttarget.target',
'Minimum target medium size is 2 GB')
if medium.is_write_protected():
fda.add_error('selecttarget.target',
'Target medium is write-protected')
if form.data.has_key('selecttarget.recovery'):
recovery = form.data['selecttarget.recovery']
if medium.get_size(
) >= constants.DISK_SIZE_MINIMUM_FOR_LARGE_INSTALL:
large_install = True
except:
fda.add_error('selecttarget.target',
'Target medium cannot be selected')
fda.finalize_validation()
root = livecddb.get_livecd_database_root()
root.setS(ns_ui.targetDevice, rdf.String, target)
root.setS(ns_ui.attemptRecovery, rdf.Boolean, recovery)
root.removeNodes(ns_ui.previousConfigurationRdfXml)
root.removeNodes(ns_ui.previousInstalledVersion)
# Recovery check here
if recovery:
print 'attempting recovery from %s' % target
try:
prev_cfg, prev_version = installhelpers.recover_existing_configuration(
target)
if prev_cfg is not None:
root.setS(ns_ui.previousConfigurationRdfXml, rdf.String,
prev_cfg.encode('hex'))
if prev_version is not None:
root.setS(ns_ui.previousInstalledVersion, rdf.String,
prev_version)
else:
pass
else:
raise Exception('did not find recovery data')
except:
print 'recovery failed'
# Select installation model based on target size
root.setS(ns_ui.installLargeDisk, rdf.Boolean, large_install)
print livecddb.dump_livecd_database()
request = inevow.IRequest(ctx)
request.redirect(request.URLPath().sibling('installconfirm.html'))
return ''
def render_sizebytes(self, ctx, data):
target = livecddb.get_livecd_database_root().getS(ns_ui.targetDevice, rdf.String)
medium = mediahelper.get_media().get_medium_by_device_name(target)
return medium.get_size()
def render_check_no_earlier_install_run(self, ctx, data):
if livecddb.get_livecd_database_root().hasS(
ns_ui.installHasBeenStarted):
return ''
return ctx
def submitted_rescan(self, ctx, form, data):
# clear previous selection if exists
cfg = livecddb.get_livecd_database_root()
if cfg.hasS(ns_ui.targetDevice):
cfg.removeNodes(ns_ui.targetDevice)
def render_targetmedium(self, ctx, data):
return livecddb.get_livecd_database_root().getS(
ns_ui.targetDevice, rdf.String)
def render_check_no_earlier_install_run(self, ctx, data):
if livecddb.get_livecd_database_root().hasS(ns_ui.installHasBeenStarted):
return ''
return ctx
