def getLinkList(session_id, subasset_id=-1):
"""Returns a list of links in the system"""
session = getSessionE(session_id)
typeq = ""
if subasset_id != -1:
subasset = ccs_asset.ccs_subasset(session_id, subasset_id)
if subasset.supportsFunction("wireless_interface"):
typeq = " AND l.type!='Ethernet'"
else:
typeq = " AND l.type='Ethernet'"
sql = (
"SELECT l.link_id, l.description, l.type, l.mode, lc.description "
"AS class_desc, l.essid, l.channel, l.network_address, "
"l.shared_network, COALESCE(lic.no_interfaces, 0) AS "
"no_interfaces FROM link_class lc, link l LEFT JOIN "
"link_interface_count lic ON lic.link_id=l.link_id "
"WHERE lc.link_class_id=l.class_id%s ORDER BY l.network_address" % typeq
)
res = session.query(sql, ())
res2 = []
for row in res:
nrow = row
str = row["type"]
str = "%s %s" % (str, getModeDesc(session_id, row["type"], row["mode"]))
if row["shared_network"] == "t":
str = "%s (shared)" % str
nrow["mode_desc"] = str
res2.append(nrow)
return res2
def detachSubasset(self):
"""Detaches the specified subasset from the interface host
Asset is only detached if it is not a subasset of the host asset
"""
subasset = ccs_subasset(self._session_id, self["subasset_id"])
if subasset["asset_id"] == host["asset_id"]:
return
subasset.moveToStock()
def getTemplateVariables(self):
"""Returns a dictionary containing template variables.
Template variables contain information about this host that may be
used in templates. This function attempts to be as comprehensive as
possible in returning information about the host.
WARNING: The returned dictionary could be very large!
"""
variables = {}
# Include basic properties
variables.update(filter_keys(self._properties))
# Get link information
link = ccs_link(self._session_id, self["link_id"])
variables.update(filter_keys(link))
# Allow master interfaces to override link settings
if variables["master_interface"]:
if variables["master_mode"] != "":
variables["mode"] = variables["master_mode"]
if variables["master_channel"] != "":
variables["channel"] = variables["master_channel"]
# Output some other helper information
variables["mode_adhoc"] = link.isAdHoc()
variables["mode_managed"] = link.isManaged()
variables["link_length"] = self.getInterfaceDistance()
variables["gateway"] = link.getDefaultGateway(self["host_id"])
if link["network_address"] != "":
variables["netmask"] = cidrToNetmaskS(link["network_address"])
variables["cidr_netmask"] = cidrToLength(link["network_address"])
variables["network"] = cidrToNetworkS(link["network_address"])
variables["broadcast"] = cidrToBroadcastS(link["network_address"])
if variables["alias_netmask"] == "":
variables["alias_netmask"] = variables["cidr_netmask"]
try:
variables["mac"] = self.getMACAddress()
except:
variables["mac"] = ""
if "subasset_id" in self.keys() and self["subasset_id"]!="" and \
int(self["subasset_id"])!=-1:
sa = ccs_subasset(self._session_id, self["subasset_id"])
if sa.supportsFunction("wireless_interface"):
variables["wireless_interface"] = True
else:
variables["wireless_interface"] = False
variables.update(sa.getTemplateVariables())
else:
variables["wireless_interface"] = False
return variables
def updateDetails(self, details):
"""Updates the details of the interface.
details should be a dictionary containing only those parameters
that have changed and need to be updated in the database.
Returns ccs_interface.SUCCESS,
"""
session = getSessionE(self._session_id)
# Check the data
validateInterface(self._session_id, details)
# Extract values for ease of use.
host_id = "host_id" in details.keys() and \
int(details["host_id"]) or self["host_id"]
link_id = "link_id" in details.keys() and \
int(details["link_id"]) or self["link_id"]
subasset_id = "subasset_id" in details.keys() and \
int(details["subasset_id"]) or self["subasset_id"]
interface_type = "interface_type" in details.keys() and \
int(details["interface_type"]) or self["interface_type"]
bridge_interface = "bridge_interface" in details.keys() and \
int(details["bridge_interface"]) or self["bridge_interface"]
monitor_interface = "monitor_interface" in details.keys() and \
details["monitor_interface"] or self["monitor_interface"]
# Check subasset is valid if it is specified
if subasset_id != self["subasset_id"] and subasset_id != -1:
subasset = ccs_subasset(self._session_id, subasset_id)
if not subasset.supportsFunction("interface"):
raise ccs_interface_error("Invalid subasset type!")
if not subasset.availableForInterface(host_id):
raise ccs_interface_error("Subasset already in use!")
# Check this host doesn't already have an interface on the new link
if link_id != self["link_id"] and \
(bridge_interface=="" or bridge_interface==-1):
link = ccs_link(self._session_id, link_id)
if link.connectsHost(host_id, self.interface_id):
raise ccs_interface_error("Host already has an interface on " \
"the specified link!")
if "ip_address" not in details.keys():
raise ccs_interface_error("IP Address must change when " \
"modifing the link!")
# Check interface type
if interface_type != self["interface_type"]:
if interface_type <= INTERFACE_TYPE_MIN or \
interface_type >= INTERFACE_TYPE_MAX:
raise ccs_interface_error("Invalid interface type!")
# Check IP is specified and is correct for the link
if "ip_address" in details.keys() and \
(bridge_interface=="" or bridge_interface==-1):
link = ccs_link(self._session_id, link_id)
if details["ip_address"] == "":
details["ip_address"] = link.allocateIP(host_id, False)
elif not link.isValidIP(details["ip_address"]):
raise ccs_interface_error("Invalid IP address for link!")
# Check interface is in master mode if a channel was specified
if "master_channel" in details.keys() or \
"master_mode" in details.keys():
if "master_interface" not in details.keys():
if not self._properties["master_interface"]:
log_warn("Interface channel may only " \
"be set for Master mode interfaces!")
del details["master_channel"]
del details["master_mode"]
else:
if details["master_interface"]!="t":
log_warn("Interface channel may only " \
"be set for Master mode interfaces!")
del details["master_channel"]
del details["master_mode"]
# Check VLAN properties
if interface_type == INTERFACE_TYPE_VLAN:
# Check the vid is valid if specified
if "vid" in interface.keys() and \
interface["vid"] != "":
try:
vid = int(interface["vid"])
except:
raise ccs_interface_error("Alias VLAN ID must be an integer")
# VLAN interfaces have a name derived from their parent interface
parent_iface = ccs_interface(session_id, interface["raw_interface"])
interface["name"] = "%s.%s" % \
(parent_iface["name"], interface["vid"])
# Check alias properties
if interface_type == INTERFACE_TYPE_ALIAS:
# Check the netmask is valid if specified
if "alias_netmask" in details.keys() and \
details["alias_netmask"] != "":
if details["alias_netmask"].startswith("/"):
details["alias_netmask"] = details["alias_netmask"][1:]
try:
details["alias_netmask"] = int(details["alias_netmask"])
except:
raise ccs_interface_error("Alias netmask must be an integer")
# Alias interfaces have a name derived from their parent interface
parent_iface = ccs_interface(self._session_id,
details["raw_interface"])
details["name"] = "%s-alias-%s" % (parent_iface["name"], link_id)
details["ifname"] = details["name"]
# Deal with ifname/name dictionary entries
if "ifname" in details.keys():
details["name"] = details["ifname"]
# Wrap changes into a changeset
self._forceChangeset("Interface details updated")
# Deal with subasset changes
if subasset_id != self["subasset_id"] and \
interface_type != INTERFACE_TYPE_VAP:
if self.hasSubasset():
self.detachSubasset()
subasset = ccs_subasset(self._session_id, subasset_id)
from ccs_host import ccs_host
host = ccs_host(self._session_id, host_id)
if host.hasAsset():
subasset.attachTo(host["asset_id"])
elif host.hasSite():
subasset.moveToSite(host["site_id"])
# Build list of properties for the interface type
props = [ "interface_id", "interface_type", "host_id", "link_id", \
"name", "use_gateway", "interface_active", "master_mode", \
"master_interface", "master_channel", "module_id", \
"monitor_interface" ]
nProps = []
if interface_type == INTERFACE_TYPE_PHYSICAL or \
interface_type == INTERFACE_TYPE_VAP:
props.extend(["subasset_id"])
nProps.extend(["raw_interface", "alias_netmask"])
elif interface_type == INTERFACE_TYPE_VLAN:
props.extend(["raw_interface", "vid"])
nProps.extend(["subasset_id", "alias_netmask"])
elif interface_type == INTERFACE_TYPE_ALIAS:
props.extend(["raw_interface",])
nProps.extend(["subasset_id"])
if "alias_netmask" in details.keys() and \
details["alias_netmask"] != "":
props.extend(["alias_netmask"])
if monitor_interface=="t":
nProps.extend(["ip_address", "bridge_interface"])
elif bridge_interface != "" and bridge_interface!=-1:
props.extend(["bridge_interface"])
nProps.extend(["ip_address"])
else:
props.extend(["ip_address"])
nProps.extend(["bridge_interface"])
# Build update string
(sql, values) = buildUpdateFromDict("interface", props, details, \
"interface_id", self.interface_id, True, nProps)
if values is None:
# No changes made... ?
return self.returnSuccess()
# Run the query
session.execute(sql, values)
# Fire the trigger
triggerHostEvent(self._session_id, "interfaceModified", host_id, \
interface_id=self.interface_id);
return self.returnSuccess()
def addInterface(session_id, interface):
"""Creates a new interface on a host
Throws an exception on error or returns the new interface ID
"""
session = getSessionE(session_id)
from ccs_host import ccs_host, getHostName
print interface["vid"]
# Check interface details
validateInterface(session_id, interface)
# Check interface type
if "interface_type" in interface.keys():
try:
it = int(interface["interface_type"])
except:
ccs_interface_error("Invalid interface type! Must be an integer.")
if it <= INTERFACE_TYPE_MIN or it >= INTERFACE_TYPE_MAX:
raise ccs_interface_error("Invalid interface type! - %s" % \
interface["interface_type"])
else:
raise ccs_interface_error("Interface type must be specified!")
# Check subasset is valid if it is specified
if "subasset_id" in interface.keys() and interface["subasset_id"]!="" \
and int(interface["subasset_id"])!=-1:
subasset = ccs_subasset(session_id, interface["subasset_id"])
if not subasset.supportsFunction("interface"):
raise ccs_interface_error("Invalid subasset type for interface!")
if it == INTERFACE_TYPE_VAP:
# Check specified subasset supports virtual APs
if not subasset.supportsFunction("vap"):
raise ccs_interface_error("Invalid subasset type for VAP " \
"interface")
# XXX: Check we're not over the maximum number of vaps...
elif not subasset.availableForInterface(interface["host_id"]):
raise ccs_interface_error("Subasset already in use!")
else:
try:
del interface["subasset_id"]
except KeyError: pass
# If interface is active check subasset_id is specified
if "interface_active" in interface.keys() and \
interface["interface_active"]=="t":
if it == INTERFACE_TYPE_PHYSICAL or it == INTERFACE_TYPE_VAP:
if "subasset_id" not in interface.keys():
raise ccs_interface_error("Cannot create active " \
"interface without specifying a subasset!")
elif it == INTERFACE_TYPE_VLAN or it == INTERFACE_TYPE_ALIAS:
if "raw_interface" not in interface.keys():
raise ccs_interface_error("Cannot create active " \
"interface without specifying a raw interface!")
# Check VLAN properties
if it == INTERFACE_TYPE_VLAN:
# Check the vid is valid if specified
if "vid" in interface.keys() and \
interface["vid"] != "":
print interface["vid"]
try:
print interface["vid"]
vid = int(interface["vid"])
except:
raise ccs_interface_error("VLAN ID must be an integer")
# VLAN interfaces have a name derived from their parent interface
parent_iface = ccs_interface(session_id, interface["raw_interface"])
interface["name"] = "%s.%s" % \
(parent_iface["name"], interface["vid"])
# Check alias properties
if it == INTERFACE_TYPE_ALIAS:
# Check the netmask is valid if specified
if "alias_netmask" in interface.keys() and \
interface["alias_netmask"] != "":
if interface["alias_netmask"].startswith("/"):
interface["alias_netmask"] = interface["alias_netmask"][1:]
try:
interface["alias_netmask"] = int(interface["alias_netmask"])
except:
raise ccs_interface_error("Alias netmask must be an integer")
# Alias interfaces have a name derived from their parent interface
parent_iface = ccs_interface(session_id, interface["raw_interface"])
interface["name"] = "%s-alias-%s" % \
(parent_iface["name"], interface["link_id"])
# XXX: Check raw interface is valid if specified
# Ensure boolean values are specified correctly
for f in ["use_gateway", "interface_active", "master_interface", \
"monitor_interface"]:
if f not in interface.keys():
interface[f] = "f"
else:
if interface[f]!="t" and interface[f]!="f":
raise ccs_interface_error("Invalid value for " \
"%s parameter" % f)
link = ccs_link(session_id, interface["link_id"])
# Check IP Parameters if applicable
if interface["monitor_interface"]=="f" and \
(interface["bridge_interface"]=="" or \
int(interface["bridge_interface"])==-1):
# Check this host doesn't already have an interface on this link
if link.connectsHost(interface["host_id"]):
raise ccs_interface_error("Host already has an interface on the " \
"specified link!")
# Check IP specified is correct for the link, or allocate an IP
if "ip_address" not in interface.keys():
interface["ip_address"] = ""
if interface["ip_address"] == "":
interface["ip_address"] = \
link.allocateIP(interface["host_id"], \
interface["master_interface"])
elif not link.isValidIP(interface["ip_address"]):
raise ccs_interface_error("Invalid IP address for link!")
elif interface["monitor_interface"]=="f":
# XXX: Check bridge parameters are valid
pass
# Create changeset to wrap all of this
commit = 0
if session.changeset == 0:
session.begin("Created interface (%s) on host %s" % \
(interface["name"], \
getHostName(session_id, interface["host_id"])))
commit = 1
# Make sure the subasset is attached to the host
try:
if "subasset_id" in interface.keys():
subasset = ccs_subasset(session_id, interface["subasset_id"])
host = ccs_host(session_id, interface["host_id"])
if subasset["asset_id"] != host["asset_id"]:
subasset.attachTo(host["asset_id"])
except:
log_warn("Could not attach subasset (%s) to host (%s)! Interface " \
"creation may fail!" % \
(interface["subasset_id"], interface["host_id"]), \
sys.exc_info())
# Build list of properties for the interface type
props = [ "interface_id", "interface_type", "host_id", "link_id", \
"name", "use_gateway", "interface_active", "master_interface", \
"master_mode", "master_channel", "module_id", "monitor_interface"]
nProps = []
if it == INTERFACE_TYPE_PHYSICAL or it == INTERFACE_TYPE_VAP :
props.extend(["subasset_id"])
nProps.extend(["raw_interface"])
nProps.extend(["raw_interface", "alias_netmask"])
elif it == INTERFACE_TYPE_VLAN:
props.extend(["raw_interface", "vid"])
nProps.extend(["subasset_id", "alias_netmask"])
elif it == INTERFACE_TYPE_ALIAS:
props.extend(["raw_interface"])
nProps.extend(["subasset_id"])
if "alias_netmask" in interface.keys() and \
interface["alias_netmask"] != "":
props.extend(["alias_netmask"])
if interface["monitor_interface"]=="t":
nProps.extend(["ip_address", "bridge_interface"])
elif interface["bridge_interface"] != "" and \
int(interface["bridge_interface"])!=-1:
props.extend(["bridge_interface"])
nProps.extend(["ip_address"])
elif interface["ip_address"] == "":
nProps.extend(["ip_address"])
else:
props.extend(["ip_address"])
nProps.extend(["bridge_interface"])
# Create the interface in the database
(sql, values) = buildInsertFromDict("interface", props, interface, True, \
nProps)
session.execute(sql, values)
# Get the new interface id
sql = "SELECT currval('interface_interface_id_seq') as interface_id"
res = session.query(sql, ())
if len(res) != 1:
raise ccs_interface_error("Could not retrieve new interface ID!")
interface_id = res[0]["interface_id"]
# If we started a changeset, then finish it off
if commit == 1:
session.commit()
# Fire the trigger
triggerHostEvent(session_id, "interfaceAdded", interface["host_id"], \
interface_id=interface_id)
return interface_id
