import os
import time
-# TODO: - routes!!!
+# TODO:
# - CREATE GRE - PlanetlabGRE - it only needs to set the gre and remote
# properties when configuring the vif_up
@classmethod
def _register_attributes(cls):
ip4 = Attribute("ip4", "IPv4 Address",
- flags = Flags.ExecReadOnly)
+ flags = Flags.Design)
mac = Attribute("mac", "MAC Address",
- flags = Flags.ExecReadOnly)
+ flags = Flags.Design)
prefix4 = Attribute("prefix4", "IPv4 network prefix",
type = Types.Integer,
- flags = Flags.ExecReadOnly)
+ flags = Flags.Design)
mtu = Attribute("mtu", "Maximum transmition unit for device",
type = Types.Integer)
devname = Attribute("deviceName",
"Name of the network interface (e.g. eth0, wlan0, etc)",
- flags = Flags.ReadOnly)
+ flags = Flags.NoWrite)
up = Attribute("up", "Link up",
type = Types.Bool)
snat = Attribute("snat", "Set SNAT=1",
type = Types.Bool,
- flags = Flags.ExecReadOnly)
+ flags = Flags.Design)
pointopoint = Attribute("pointopoint", "Peer IP address",
- flags = Flags.ExecReadOnly)
+ flags = Flags.Design)
tear_down = Attribute("tearDown", "Bash script to be executed before " + \
"releasing the resource",
- flags = Flags.ExecReadOnly)
+ flags = Flags.Design)
cls._register_attribute(ip4)
cls._register_attribute(mac)
if node: return node[0]
return None
- """
- def trace(self, name, attr = TraceAttr.ALL, block = 512, offset = 0):
- self.info("Retrieving '%s' trace %s " % (name, attr))
-
- path = os.path.join(self.run_home, name)
-
- command = "(test -f %s && echo 'success') || echo 'error'" % path
- (out, err), proc = self.node.execute(command)
-
- if (err and proc.poll()) or out.find("error") != -1:
- msg = " Couldn't find trace %s " % name
- self.error(msg, out, err)
- return None
-
- if attr == TraceAttr.PATH:
- return path
-
- if attr == TraceAttr.ALL:
- (out, err), proc = self.node.check_output(self.run_home, name)
-
- if proc.poll():
- msg = " Couldn't read trace %s " % name
- self.error(msg, out, err)
- return None
-
- return out
-
- if attr == TraceAttr.STREAM:
- cmd = "dd if=%s bs=%d count=1 skip=%d" % (path, block, offset)
- elif attr == TraceAttr.SIZE:
- cmd = "stat -c%%s %s " % path
-
- (out, err), proc = self.node.execute(cmd)
-
- if proc.poll():
- msg = " Couldn't find trace %s " % name
- self.error(msg, out, err)
- return None
-
- if attr == TraceAttr.SIZE:
- out = int(out.strip())
-
- return out
- """
-
def upload_sources(self):
# upload vif-creation python script
pl_vif_create = os.path.join(os.path.dirname(__file__), "scripts",
stop_command = self.replace_paths(self._stop_command)
self.node.upload(stop_command,
os.path.join(self.app_home, "stop.sh"),
- text = True,
- overwrite = False)
+ text = True,
+ # Overwrite file every time.
+ # The stop.sh has the path to the socket, wich should change
+ # on every experiment run.
+ overwrite = True)
def upload_start_command(self):
- super(PlanetlabTap, self).upload_start_command()
+ # Overwrite file every time.
+ # The start.sh has the path to the socket, wich should change
+ # on every experiment run.
+ super(PlanetlabTap, self).upload_start_command(overwrite = True)
# We want to make sure the device is up and running
- # before the deploy finishes (so things will be ready
- # before other stuff starts running).
- # Run the command as a bash script in background,
- # in the host ( but wait until the command has
- # finished to continue )
+ # before the deploy finishes, so we execute now the
+ # start script. We run it in background, because the
+ # TAP will live for as long as the process that
+ # created it is running, and wait until the TAP
+ # is created.
self._run_in_background()
- # Retrive if_name
+ # After creating the TAP, the pl-vif-create.py script
+ # will write the name of the TAP to a file. We wait until
+ # we can read the interface name from the file.
if_name = self.wait_if_name()
self.set("deviceName", if_name)
self.do_discover()
self.do_provision()
- self.debug("----- READY ---- ")
self.set_ready()
def do_start(self):
if out.strip().find(self.get("deviceName")) == -1:
# tap is not running is not running (socket not found)
- self.finish()
+ self.set_stopped()
self._last_state_check = tnow()
""" Waits until the if_name file for the command is generated,
and returns the if_name for the device """
if_name = None
- delay = 1.0
+ delay = 0.5
- for i in xrange(4):
+ for i in xrange(20):
(out, err), proc = self.node.check_output(self.run_home, "if_name")
+ if proc.poll() > 0:
+ (out, err), proc = self.node.check_errors(self.run_home)
+
+ if err.strip():
+ raise RuntimeError, err
+
if out:
if_name = out.strip()
break