def check(self, args):
"""Validate that all fields have valid values and sanity checks."""
#Get field information
responses = dict()
self.parent.footer.set_text("Checking data...")
for index, fieldname in enumerate(self.fields):
if fieldname == "blank" or fieldname == "ifname":
pass
elif fieldname == "bootproto":
rb_group = self.edits[index].rb_group
if rb_group[0].state:
responses["bootproto"] = "dhcp"
else:
responses["bootproto"] = "none"
elif fieldname == "onboot":
rb_group = self.edits[index].rb_group
if rb_group[0].state:
responses["onboot"] = "yes"
else:
responses["onboot"] = "no"
else:
responses[fieldname] = self.edits[index].get_edit_text()
###Validate each field
errors = []
if responses["onboot"] == "no":
numactiveifaces = 0
for iface in self.netsettings:
if self.netsettings[iface]['addr'] != "":
numactiveifaces += 1
if numactiveifaces < 2 and \
self.netsettings[self.activeiface]['addr'] != "":
#Block user because puppet l23network fails if all intefaces
#are disabled.
errors.append("Cannot disable all interfaces.")
elif responses["bootproto"] == "dhcp":
self.parent.footer.set_text("Scanning for DHCP servers. "
"Please wait...")
self.parent.refreshScreen()
try:
dhcptimeout = 5
with timeout.run_with_timeout(dhcp_checker.utils.IfaceState,
[self.activeiface],
timeout=dhcptimeout) as iface:
dhcp_server_data = timeout.run_with_timeout(
dhcp_checker.api.check_dhcp_on_eth,
[iface, dhcptimeout],
timeout=dhcptimeout)
except (KeyboardInterrupt, timeout.TimeoutError):
self.log.debug("DHCP scan timed out")
self.log.warning(traceback.format_exc())
dhcp_server_data = []
except Exception:
self.log.warning("dhcp_checker failed to check on %s" %
self.activeiface)
dhcp_server_data = []
responses["dhcp_nowait"] = False
if len(dhcp_server_data) < 1:
self.log.debug("No DHCP servers found. Warning user about "
"dhcp_nowait.")
#Build dialog elements
dhcp_info = []
dhcp_info.append(
urwid.Padding(urwid.Text(("header", "!!! WARNING !!!")),
"center"))
dhcp_info.append(
widget.TextLabel(
"Unable to detect DHCP server" + "on interface %s." %
(self.activeiface) +
"\nDHCP will be set up in the background, " +
"but may not receive an IP address. You may " +
"want to check your DHCP connection manually " +
"using the Shell Login menu to the left."))
dialog.display_dialog(
self, urwid.Pile(dhcp_info),
"DHCP Servers Found on %s" % self.activeiface)
self.parent.refreshScreen()
responses["dhcp_nowait"] = True
#Check ipaddr, netmask, gateway only if static
elif responses["bootproto"] == "none":
try:
if netaddr.valid_ipv4(responses["ipaddr"]):
if not netaddr.IPAddress(responses["ipaddr"]):
raise BadIPException("Not a valid IP address")
else:
raise BadIPException("Not a valid IP address")
except (BadIPException, Exception):
errors.append("Not a valid IP address: %s" %
responses["ipaddr"])
try:
if netaddr.valid_ipv4(responses["netmask"]):
netmask = netaddr.IPAddress(responses["netmask"])
if netmask.is_netmask is False:
raise BadIPException("Not a valid IP address")
else:
raise BadIPException("Not a valid IP address")
except (BadIPException, Exception):
errors.append("Not a valid netmask: %s" % responses["netmask"])
try:
if len(responses["gateway"]) > 0:
#Check if gateway is valid
if netaddr.valid_ipv4(responses["gateway"]) is False:
raise BadIPException("Gateway IP address is not valid")
#Check if gateway is in same subnet
if network.inSameSubnet(responses["ipaddr"],
responses["gateway"],
responses["netmask"]) is False:
raise BadIPException("Gateway IP is not in same "
"subnet as IP address")
except (BadIPException, Exception) as e:
errors.append(e)
self.parent.footer.set_text("Scanning for duplicate IP address..")
if len(responses["ipaddr"]) > 0:
if self.netsettings[self.activeiface]['link'].upper() != "UP":
try:
network.upIface(self.activeiface)
except NetworkException as e:
errors.append("Cannot activate {0} to check for "
"duplicate IP.".format(self.activeiface))
if network.duplicateIPExists(responses["ipaddr"],
self.activeiface):
errors.append("Duplicate host found with IP {0}.".format(
responses["ipaddr"]))
if len(errors) > 0:
self.parent.footer.set_text("Error: %s" % (errors[0]))
self.log.error("Errors: %s %s" % (len(errors), errors))
return False
else:
self.parent.footer.set_text("No errors found.")
return responses
def check(self, args):
"""Validates all fields have valid values and some sanity checks."""
self.parent.footer.set_text("Checking data...")
self.parent.refreshScreen()
#Refresh networking to make sure IP matches
self.getNetwork()
#Get field information
responses = dict()
for index, fieldname in enumerate(self.fields):
if fieldname != "blank" and "label" not in fieldname:
responses[fieldname] = self.edits[index].get_edit_text()
###Validate each field
errors = []
#Set internal_{ipaddress,netmask,interface}
responses["ADMIN_NETWORK/interface"] = self.activeiface
responses["ADMIN_NETWORK/netmask"] = self.netsettings[
self.activeiface]["netmask"]
responses["ADMIN_NETWORK/mac"] = self.netsettings[
self.activeiface]["mac"]
responses["ADMIN_NETWORK/ipaddress"] = self.netsettings[
self.activeiface]["addr"]
#ensure management interface is valid
if responses["ADMIN_NETWORK/interface"] not in self.netsettings.keys():
errors.append("Management interface not valid")
else:
self.parent.footer.set_text("Scanning for DHCP servers. \
Please wait...")
self.parent.refreshScreen()
###Start DHCP check on this interface
#dhcp_server_data=[{'server_id': '192.168.200.2', 'iface': 'eth2',
# 'yiaddr': '192.168.200.15', 'mac':
# '52:54:00:12:35:02', 'server_ip': '192.168.200.2',
# 'dport': 67, 'message': 'offer',
# 'gateway': '0.0.0.0'}]
try:
dhcptimeout = 5
default = []
with timeout.run_with_timeout(dhcp_checker.utils.IfaceState,
[self.activeiface],
timeout=dhcptimeout) as iface:
dhcp_server_data = timeout.run_with_timeout(
dhcp_checker.api.check_dhcp_on_eth,
[iface, dhcptimeout], timeout=dhcptimeout,
default=default)
except (KeyboardInterrupt, timeout.TimeoutError):
log.debug("DHCP scan timed out")
log.warning(traceback.format_exc())
dhcp_server_data = default
num_dhcp = len(dhcp_server_data)
if num_dhcp == 0:
log.debug("No DHCP servers found")
else:
#Problem exists, but permit user to continue
log.error("%s foreign DHCP server(s) found: %s" %
(num_dhcp, dhcp_server_data))
#Build dialog elements
dhcp_info = []
dhcp_info.append(urwid.Padding(
urwid.Text(("header", "!!! WARNING !!!")),
"center"))
dhcp_info.append(widget.TextLabel("You have selected an \
interface that contains one or more DHCP servers. This will impact \
provisioning. You should disable these DHCP servers before you continue, or \
else deployment will likely fail."))
dhcp_info.append(widget.TextLabel(""))
for index, dhcp_server in enumerate(dhcp_server_data):
dhcp_info.append(widget.TextLabel("DHCP Server #%s:" %
(index + 1)))
dhcp_info.append(widget.TextLabel("IP address: %-10s" %
dhcp_server['server_ip']))
dhcp_info.append(widget.TextLabel("MAC address: %-10s" %
dhcp_server['mac']))
dhcp_info.append(widget.TextLabel(""))
dialog.display_dialog(self, urwid.Pile(dhcp_info),
"DHCP Servers Found on %s"
% self.activeiface)
###Ensure pool start and end are on the same subnet as mgmt_if
#Ensure mgmt_if has an IP first
if len(self.netsettings[responses[
"ADMIN_NETWORK/interface"]]["addr"]) == 0:
errors.append("Go to Interfaces to configure management \
interface first.")
else:
#Ensure ADMIN_NETWORK/interface is not running DHCP
if self.netsettings[responses[
"ADMIN_NETWORK/interface"]]["bootproto"] == "dhcp":
errors.append("%s is running DHCP. Change it to static "
"first." % self.activeiface)
#Ensure DHCP Pool Start and DHCP Pool are valid IPs
try:
if netaddr.valid_ipv4(responses[
"ADMIN_NETWORK/dhcp_pool_start"]):
dhcp_start = netaddr.IPAddress(
responses["ADMIN_NETWORK/dhcp_pool_start"])
if not dhcp_start:
raise BadIPException("Not a valid IP address")
else:
raise BadIPException("Not a valid IP address")
except Exception:
errors.append("Invalid IP address for DHCP Pool Start")
try:
if netaddr.valid_ipv4(responses[
"ADMIN_NETWORK/dhcp_gateway"]):
dhcp_gateway = netaddr.IPAddress(
responses["ADMIN_NETWORK/dhcp_gateway"])
if not dhcp_gateway:
raise BadIPException("Not a valid IP address")
else:
raise BadIPException("Not a valid IP address")
except Exception:
errors.append("Invalid IP address for DHCP Gateway")
try:
if netaddr.valid_ipv4(responses[
"ADMIN_NETWORK/dhcp_pool_end"]):
dhcp_end = netaddr.IPAddress(
responses["ADMIN_NETWORK/dhcp_pool_end"])
if not dhcp_end:
raise BadIPException("Not a valid IP address")
else:
raise BadIPException("Not a valid IP address")
except Exception:
errors.append("Invalid IP address for DHCP Pool end")
#Ensure pool start and end are in the same subnet of each other
netmask = self.netsettings[responses[
"ADMIN_NETWORK/interface"
]]["netmask"]
if not network.inSameSubnet(
responses["ADMIN_NETWORK/dhcp_pool_start"],
responses["ADMIN_NETWORK/dhcp_pool_end"], netmask):
errors.append("DHCP Pool start and end are not in the "
"same subnet.")
#Ensure pool start and end are in the right netmask
mgmt_if_ipaddr = self.netsettings[responses[
"ADMIN_NETWORK/interface"]]["addr"]
if network.inSameSubnet(responses[
"ADMIN_NETWORK/dhcp_pool_start"],
mgmt_if_ipaddr, netmask) is False:
errors.append("DHCP Pool start does not match management"
" network.")
if network.inSameSubnet(responses[
"ADMIN_NETWORK/dhcp_pool_end"],
mgmt_if_ipaddr, netmask) is False:
errors.append("DHCP Pool end does not match management "
"network.")
if network.inSameSubnet(responses[
"ADMIN_NETWORK/dhcp_gateway"],
mgmt_if_ipaddr, netmask) is False:
errors.append("DHCP Gateway does not match management "
"network.")
self.parent.footer.set_text("Scanning for duplicate IP address"
"es. Please wait...")
if network.duplicateIPExists(mgmt_if_ipaddr, self.activeiface):
errors.append("Duplicate host found with IP {0}.".format(
mgmt_if_ipaddr))
if len(errors) > 0:
self.parent.footer.set_text("Error: %s" % (errors[0]))
log.error("Errors: %s %s" % (len(errors), errors))
return False
else:
self.parent.footer.set_text("No errors found.")
return responses
def check(self, args):
"""Validates all fields have valid values and some sanity checks."""
self.parent.footer.set_text("Checking data...")
self.parent.refreshScreen()
# Refresh networking to make sure IP matches
self.getNetwork()
# Get field information
responses = dict()
for index, fieldname in enumerate(self.fields):
if fieldname != "blank" and "label" not in fieldname:
responses[fieldname] = self.edits[index].get_edit_text()
# Validate each field
errors = []
# Set internal_{ipaddress,netmask,interface}
responses["ADMIN_NETWORK/interface"] = self.activeiface
responses["ADMIN_NETWORK/netmask"] = self.netsettings[
self.activeiface]["netmask"]
responses["ADMIN_NETWORK/mac"] = self.netsettings[
self.activeiface]["mac"]
responses["ADMIN_NETWORK/ipaddress"] = self.netsettings[
self.activeiface]["addr"]
# ensure management interface is valid
if responses["ADMIN_NETWORK/interface"] not in self.netsettings.keys():
errors.append("Management interface not valid")
else:
self.parent.footer.set_text("Scanning for DHCP servers. \
Please wait...")
self.parent.refreshScreen()
try:
dhcptimeout = 5
dhcp_server_data = network.search_external_dhcp(
self.activeiface, dhcptimeout)
except network.NetworkException:
log.warning('DHCP scan failed.')
dhcp_server_data = []
num_dhcp = len(dhcp_server_data)
if num_dhcp == 0:
log.debug("No DHCP servers found")
else:
# Problem exists, but permit user to continue
log.error("%s foreign DHCP server(s) found: %s" %
(num_dhcp, dhcp_server_data))
# Build dialog elements
dhcp_info = []
dhcp_info.append(
urwid.Padding(urwid.Text(("header", "!!! WARNING !!!")),
"center"))
dhcp_info.append(
widget.TextLabel("You have selected an \
interface that contains one or more DHCP servers. This will impact \
provisioning. You should disable these DHCP servers before you continue, or \
else deployment will likely fail."))
dhcp_info.append(widget.TextLabel(""))
for index, dhcp_server in enumerate(dhcp_server_data):
dhcp_info.append(
widget.TextLabel("DHCP Server #%s:" % (index + 1)))
dhcp_info.append(
widget.TextLabel("IP address: %-10s" %
dhcp_server['server_ip']))
dhcp_info.append(
widget.TextLabel("MAC address: %-10s" %
dhcp_server['mac']))
dhcp_info.append(widget.TextLabel(""))
dialog.display_dialog(
self, urwid.Pile(dhcp_info),
"DHCP Servers Found on %s" % self.activeiface)
# Ensure pool start and end are on the same subnet as mgmt_if
# Ensure mgmt_if has an IP first
if len(self.netsettings[responses["ADMIN_NETWORK/interface"]]
["addr"]) == 0:
errors.append("Go to Interfaces to configure management \
interface first.")
else:
# Ensure ADMIN_NETWORK/interface is not running DHCP
if self.netsettings[responses["ADMIN_NETWORK/interface"]][
"bootproto"] == "dhcp":
errors.append("%s is running DHCP. Change it to static "
"first." % self.activeiface)
# Ensure DHCP Pool Start and DHCP Pool are valid IPs
try:
if netaddr.valid_ipv4(
responses["ADMIN_NETWORK/dhcp_pool_start"]):
dhcp_start = netaddr.IPAddress(
responses["ADMIN_NETWORK/dhcp_pool_start"])
if not dhcp_start:
raise BadIPException("Not a valid IP address")
else:
raise BadIPException("Not a valid IP address")
except Exception:
errors.append("Invalid IP address for DHCP Pool Start")
try:
if netaddr.valid_ipv4(
responses["ADMIN_NETWORK/dhcp_gateway"]):
dhcp_gateway = netaddr.IPAddress(
responses["ADMIN_NETWORK/dhcp_gateway"])
if not dhcp_gateway:
raise BadIPException("Not a valid IP address")
else:
raise BadIPException("Not a valid IP address")
except Exception:
errors.append("Invalid IP address for DHCP Gateway")
try:
if netaddr.valid_ipv4(
responses["ADMIN_NETWORK/dhcp_pool_end"]):
dhcp_end = netaddr.IPAddress(
responses["ADMIN_NETWORK/dhcp_pool_end"])
if not dhcp_end:
raise BadIPException("Not a valid IP address")
else:
raise BadIPException("Not a valid IP address")
except Exception:
errors.append("Invalid IP address for DHCP Pool end")
# Ensure pool start and end are in the same
# subnet of each other
netmask = self.netsettings[
responses["ADMIN_NETWORK/interface"]]["netmask"]
if not network.inSameSubnet(
responses["ADMIN_NETWORK/dhcp_pool_start"],
responses["ADMIN_NETWORK/dhcp_pool_end"], netmask):
errors.append("DHCP Pool start and end are not in the "
"same subnet.")
# Ensure pool start and end are in the right netmask
mgmt_if_ipaddr = self.netsettings[
responses["ADMIN_NETWORK/interface"]]["addr"]
if network.inSameSubnet(
responses["ADMIN_NETWORK/dhcp_pool_start"],
mgmt_if_ipaddr, netmask) is False:
errors.append("DHCP Pool start does not match management"
" network.")
if network.inSameSubnet(
responses["ADMIN_NETWORK/dhcp_pool_end"],
mgmt_if_ipaddr, netmask) is False:
errors.append("DHCP Pool end does not match management "
"network.")
if network.inSameSubnet(
responses["ADMIN_NETWORK/dhcp_gateway"],
mgmt_if_ipaddr, netmask) is False:
errors.append("DHCP Gateway does not match management "
"network.")
self.parent.footer.set_text("Scanning for duplicate IP address"
"es. Please wait...")
# Bind arping to mgmt_if_ipaddr if it assigned
assigned_ips = [
v.get('addr') for v in self.netsettings.itervalues()
]
arping_bind = mgmt_if_ipaddr in assigned_ips
if network.duplicateIPExists(mgmt_if_ipaddr, self.activeiface,
arping_bind):
errors.append("Duplicate host found with IP {0}.".format(
mgmt_if_ipaddr))
# Extra checks for post-deployment changes
if utils.is_post_deployment():
settings = self.parent.settings
# Admin interface cannot change
if self.activeiface != settings["ADMIN_NETWORK"]["interface"]:
errors.append("Cannot change admin interface after deployment")
# PXE network range must contain previous PXE network range
old_range = network.range(
settings["ADMIN_NETWORK"]["dhcp_pool_start"],
settings["ADMIN_NETWORK"]["dhcp_pool_end"])
new_range = network.range(
responses["ADMIN_NETWORK/dhcp_pool_start"],
responses["ADMIN_NETWORK/dhcp_pool_end"])
if old_range[0] not in new_range:
errors.append("DHCP range must contain previous values.")
if old_range[-1] not in new_range:
errors.append("DHCP range can only be increased after "
"deployment.")
if len(errors) > 0:
log.error("Errors: %s %s" % (len(errors), errors))
ModuleHelper.display_failed_check_dialog(self, errors)
return False
else:
self.parent.footer.set_text("No errors found.")
return responses
def range(startip, endip):
# Return a list of IPs between startip and endip
try:
return list(netaddr.iter_iprange(startip, endip))
except netaddr.AddrFormatError:
raise BadIPException("Invalid IP address(es) specified.")
def check(self, args):
"""Validate that all fields have valid values and sanity checks."""
# Get field information
responses = dict()
self.parent.footer.set_text("Checking data...")
for index, fieldname in enumerate(self.fields):
if fieldname == "blank" or fieldname == "ifname":
pass
elif fieldname == "bootproto":
rb_group = self.edits[index].rb_group
if rb_group[0].state:
responses["bootproto"] = "none"
else:
responses["bootproto"] = "dhcp"
elif fieldname == "onboot":
rb_group = self.edits[index].rb_group
if rb_group[0].state:
responses["onboot"] = "yes"
else:
responses["onboot"] = "no"
else:
responses[fieldname] = self.edits[index].get_edit_text()
# Validate each field
errors = []
# Check for the duplicate IP provided
for k, v in six.iteritems(self.netsettings):
if (k != self.activeiface and responses["ipaddr"] != ''
and responses["ipaddr"] == v.get('addr')):
errors.append("The same IP address {0} is assigned for "
"interfaces '{1}' and '{2}'.".format(
responses["ipaddr"], k, self.activeiface))
break
if responses["onboot"] == "no":
numactiveifaces = 0
for iface in self.netsettings:
if self.netsettings[iface]['addr'] != "":
numactiveifaces += 1
if numactiveifaces < 2 and \
self.netsettings[self.activeiface]['addr'] != "":
# Block user because puppet l23network fails if all interfaces
# are disabled.
errors.append("Cannot disable all interfaces.")
elif responses["bootproto"] == "dhcp":
self.parent.footer.set_text("Scanning for DHCP servers. "
"Please wait...")
self.parent.refreshScreen()
try:
dhcptimeout = 5
dhcp_server_data = network.search_external_dhcp(
self.activeiface, dhcptimeout)
except network.NetworkException:
self.log.warning("dhcp_checker failed to check on %s" %
self.activeiface)
dhcp_server_data = []
if len(dhcp_server_data) < 1:
errors.append("No DHCP servers found. Cannot enable DHCP")
# Check ipaddr, netmask, gateway only if static
elif responses["bootproto"] == "none":
try:
if netaddr.valid_ipv4(responses["ipaddr"]):
if not netaddr.IPAddress(responses["ipaddr"]):
raise BadIPException("Not a valid IP address")
else:
raise BadIPException("Not a valid IP address")
except (BadIPException, Exception):
errors.append("Not a valid IP address: %s" %
responses["ipaddr"])
try:
if netaddr.valid_ipv4(responses["netmask"]):
netmask = netaddr.IPAddress(responses["netmask"])
if netmask.is_netmask is False:
raise BadIPException("Not a valid IP address")
else:
raise BadIPException("Not a valid IP address")
except (BadIPException, Exception):
errors.append("Not a valid netmask: %s" % responses["netmask"])
try:
if len(responses["gateway"]) > 0:
# Check if gateway is valid
if netaddr.valid_ipv4(responses["gateway"]) is False:
raise BadIPException("Gateway IP address is not valid")
# Check if gateway is in same subnet
if network.inSameSubnet(responses["ipaddr"],
responses["gateway"],
responses["netmask"]) is False:
raise BadIPException("Gateway IP is not in same "
"subnet as IP address")
except (BadIPException, Exception) as e:
errors.append(e)
self.parent.footer.set_text("Scanning for duplicate IP address..")
if len(responses["ipaddr"]) > 0:
if self.netsettings[self.activeiface]['link'].upper() != "UP":
try:
network.upIface(self.activeiface)
except NetworkException as e:
errors.append("Cannot activate {0} to check for "
"duplicate IP.".format(self.activeiface))
# Bind arping to requested IP if it's already assigned
assigned_ips = [
v.get('addr') for v in self.netsettings.itervalues()
]
arping_bind = responses["ipaddr"] in assigned_ips
if network.duplicateIPExists(responses["ipaddr"],
self.activeiface, arping_bind):
errors.append("Duplicate host found with IP {0}.".format(
responses["ipaddr"]))
if len(errors) > 0:
self.log.error("Errors: %s %s" % (len(errors), errors))
ModuleHelper.display_failed_check_dialog(self, errors)
return False
else:
self.parent.footer.set_text("No errors found.")
return responses