initial effort to remove swallowing exceptions within internal code
This commit is contained in:
Blake J. Harnden
parent
a3356127d2
commit
43554cbb62
10 changed files with 423 additions and 399 deletions
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@ -37,9 +37,9 @@ class Position(object):
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"""
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Returns True if the position has actually changed.
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:param x: x position
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:param y: y position
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:param z: z position
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:param float x: x position
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:param float y: y position
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:param float z: z position
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:return: True if position changed, False otherwise
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:rtype: bool
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"""
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@ -113,9 +113,9 @@ class PyCoreObj(object):
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"""
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Set the (x,y,z) position of the object.
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:param x: x position
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:param y: y position
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:param z: z position
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:param float x: x position
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:param float y: y position
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:param float z: z position
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:return: True if position changed, False otherwise
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:rtype: bool
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"""
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@ -460,6 +460,22 @@ class PyCoreNet(PyCoreObj):
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"""
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linktype = LinkTypes.WIRED.value
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def startup(self):
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"""
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Each object implements its own startup method.
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:return: nothing
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"""
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raise NotImplementedError
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def shutdown(self):
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"""
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Each object implements its own shutdown method.
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:return: nothing
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"""
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raise NotImplementedError
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def __init__(self, session, objid, name, start=True):
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"""
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Create a PyCoreNet instance.
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@ -597,7 +613,7 @@ class PyCoreNetIf(object):
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"""
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Creates a PyCoreNetIf instance.
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:param core.netns.vnode.SimpleLxcNode node: node for interface
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:param core.coreobj.PyCoreNode node: node for interface
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:param str name: interface name
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:param mtu: mtu value
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"""
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@ -21,31 +21,30 @@ def emane_version():
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"""
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global VERSION
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global VERSIONSTR
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args = ("emane", "--version")
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try:
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status, result = utils.check_cmd(args)
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except subprocess.CalledProcessError:
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logger.exception("error checking emane version")
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status = -1
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result = ""
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args = ["emane", "--version"]
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VERSION = EMANEUNK
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if status == 0:
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if result.startswith("0.7.4"):
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VERSION = EMANE074
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elif result.startswith("0.8.1"):
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VERSION = EMANE081
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elif result.startswith("0.9.1"):
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VERSION = EMANE091
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elif result.startswith("0.9.2"):
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VERSION = EMANE092
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elif result.startswith("0.9.3"):
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VERSION = EMANE093
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elif result.startswith("1.0.1"):
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VERSION = EMANE101
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VERSIONSTR = result.strip()
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try:
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status, output = utils.check_cmd(args)
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if status == 0:
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if output.startswith("0.7.4"):
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VERSION = EMANE074
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elif output.startswith("0.8.1"):
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VERSION = EMANE081
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elif output.startswith("0.9.1"):
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VERSION = EMANE091
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elif output.startswith("0.9.2"):
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VERSION = EMANE092
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elif output.startswith("0.9.3"):
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VERSION = EMANE093
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elif output.startswith("1.0.1"):
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VERSION = EMANE101
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except subprocess.CalledProcessError:
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logger.exception("error checking emane version")
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output = ""
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VERSIONSTR = output.strip()
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# set version variables for the Emane class
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@ -925,7 +925,8 @@ class EmaneManager(ConfigurableManager):
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logger.exception("error adding route for event data")
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try:
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args = emanecmd + ["-f", os.path.join(path, "emane%d.log" % n), os.path.join(path, "platform%d.xml" % n)]
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args = emanecmd + ["-f", os.path.join(path, "emane%d.log" % n),
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os.path.join(path, "platform%d.xml" % n)]
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logger.info("Emane.startdaemons2() running %s" % str(args))
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status, output = node.check_cmd(args)
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logger.info("Emane.startdaemons2() return code %d" % status)
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@ -1163,14 +1164,15 @@ class EmaneManager(ConfigurableManager):
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Return True if an EMANE process associated with the given node
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is running, False otherwise.
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"""
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status = -1
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args = ["pkill", "-0", "-x", "emane"]
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status = -1
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try:
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if emane.VERSION < emane.EMANE092:
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status = utils.check_cmd(args)
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utils.check_cmd(args)
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else:
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status, _ = node.check_cmd(args)
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node.check_cmd(args)
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status = 0
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except subprocess.CalledProcessError:
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logger.exception("error checking if emane is running")
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@ -199,7 +199,7 @@ def cmd_output(args):
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p = subprocess.Popen(args, stdout=subprocess.PIPE, stderr=subprocess.STDOUT)
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stdout, _ = p.communicate()
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status = p.wait()
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return status, stdout
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return status, stdout.strip()
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except OSError:
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raise subprocess.CalledProcessError(-1, args)
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@ -222,9 +222,9 @@ def check_cmd(args, **kwargs):
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p = subprocess.Popen(args, **kwargs)
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stdout, _ = p.communicate()
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status = p.wait()
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if status:
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if status != 0:
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raise subprocess.CalledProcessError(status, args, stdout)
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return status, stdout
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return status, stdout.strip()
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except OSError:
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raise subprocess.CalledProcessError(-1, args)
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@ -68,6 +68,7 @@ class CtrlNet(LxBrNet):
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Startup functionality for the control network.
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:return: nothing
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:raises subprocess.CalledProcessError: when there is a command exception
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"""
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if self.detectoldbridge():
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return
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@ -79,26 +80,23 @@ class CtrlNet(LxBrNet):
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else:
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addr = self.prefix.max_addr()
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msg = "Added control network bridge: %s %s" % (self.brname, self.prefix)
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addrlist = ["%s/%s" % (addr, self.prefix.prefixlen)]
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logger.info("added control network bridge: %s %s", self.brname, self.prefix)
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if self.assign_address:
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addrlist = ["%s/%s" % (addr, self.prefix.prefixlen)]
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self.addrconfig(addrlist=addrlist)
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msg += " address %s" % addr
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logger.info(msg)
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logger.info("address %s", addr)
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if self.updown_script is not None:
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logger.info("interface %s updown script (%s startup) called",
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self.brname, self.updown_script)
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if self.updown_script:
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logger.info("interface %s updown script (%s startup) called", self.brname, self.updown_script)
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utils.check_cmd([self.updown_script, self.brname, "startup"])
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if self.serverintf is not None:
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try:
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utils.check_cmd([constants.BRCTL_BIN, "addif", self.brname, self.serverintf])
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utils.check_cmd([constants.IP_BIN, "link", "set", self.serverintf, "up"])
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except subprocess.CalledProcessError:
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logger.exception("error joining server interface %s to controlnet bridge %s",
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self.serverintf, self.brname)
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if self.serverintf:
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# sets the interface as a port of the bridge
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utils.check_cmd([constants.BRCTL_BIN, "addif", self.brname, self.serverintf])
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# bring interface up
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utils.check_cmd([constants.IP_BIN, "link", "set", self.serverintf, "up"])
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def detectoldbridge(self):
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"""
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@ -120,10 +118,9 @@ class CtrlNet(LxBrNet):
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if len(flds) == 3:
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if flds[0] == "b" and flds[1] == self.objid:
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logger.error(
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"Error: An active control net bridge (%s) found. "
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"error: An active control net bridge (%s) found. "
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"An older session might still be running. "
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"Stop all sessions and, if needed, delete %s to continue." %
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(oldbr, oldbr)
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"Stop all sessions and, if needed, delete %s to continue.", oldbr, oldbr
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)
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return True
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return False
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@ -137,20 +134,26 @@ class CtrlNet(LxBrNet):
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if self.serverintf is not None:
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try:
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utils.check_cmd([constants.BRCTL_BIN, "delif", self.brname, self.serverintf])
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except subprocess.CalledProcessError:
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logger.exception("error deleting server interface %s to controlnet bridge %s",
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self.serverintf, self.brname)
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except subprocess.CalledProcessError as e:
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logger.exception("error deleting server interface %s from bridge %s: %s",
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self.serverintf, self.brname, e.output)
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if self.updown_script is not None:
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logger.info("interface %s updown script (%s shutdown) called" % (self.brname, self.updown_script))
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utils.check_cmd([self.updown_script, self.brname, "shutdown"])
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try:
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logger.info("interface %s updown script (%s shutdown) called", self.brname, self.updown_script)
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utils.check_cmd([self.updown_script, self.brname, "shutdown"])
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except subprocess.CalledProcessError as e:
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logger.exception("error issuing shutdown script shutdown: %s", e.output)
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LxBrNet.shutdown(self)
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def all_link_data(self, flags):
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"""
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Do not include CtrlNet in link messages describing this session.
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:return: nothing
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:param flags: message flags
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:return: list of link data
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:rtype: list[core.data.LinkData]
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"""
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return []
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@ -172,29 +175,36 @@ class PtpNet(LxBrNet):
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"""
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Attach a network interface, but limit attachment to two interfaces.
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:param core.coreobj.PyCoreNetIf netif: network interface
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:param core.netns.vif.VEth netif: network interface
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:return: nothing
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"""
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if len(self._netif) >= 2:
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raise ValueError("Point-to-point links support at most 2 network interfaces")
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LxBrNet.attach(self, netif)
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def data(self, message_type):
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def data(self, message_type, lat=None, lon=None, alt=None):
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"""
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Do not generate a Node Message for point-to-point links. They are
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built using a link message instead.
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:return: nothing
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:param message_type: purpose for the data object we are creating
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:param float lat: latitude
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:param float lon: longitude
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:param float alt: altitude
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:return: node data object
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:rtype: core.data.NodeData
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"""
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pass
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return None
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def all_link_data(self, flags):
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"""
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Build CORE API TLVs for a point-to-point link. One Link message
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describes this network.
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:return: all link data
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:rtype: list[LinkData]
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:param flags: message flags
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:return: list of link data
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:rtype: list[core.data.LinkData]
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"""
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all_links = []
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@ -318,8 +328,11 @@ class HubNode(LxBrNet):
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:param int objid: node id
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:param str name: node namee
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:param bool start: start flag
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:raises subprocess.CalledProcessError: when there is a command exception
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"""
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LxBrNet.__init__(self, session, objid, name, start)
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# TODO: move to startup method
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if start:
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utils.check_cmd([constants.BRCTL_BIN, "setageing", self.brname, "0"])
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@ -353,7 +366,7 @@ class WlanNode(LxBrNet):
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"""
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Attach a network interface.
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:param core.coreobj.PyCoreNetIf netif: network interface
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:param core.netns.vif.VEth netif: network interface
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:return: nothing
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"""
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LxBrNet.attach(self, netif)
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@ -364,7 +377,6 @@ class WlanNode(LxBrNet):
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x, y, z = netif.node.position.get()
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# invokes any netif.poshook
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netif.setposition(x, y, z)
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# self.model.setlinkparams()
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def setmodel(self, model, config):
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"""
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@ -398,25 +410,28 @@ class WlanNode(LxBrNet):
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logger.info("updating model %s" % model_name)
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if self.model is None or self.model.name != model_name:
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return
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model = self.model
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if model.config_type == RegisterTlvs.WIRELESS.value:
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if not model.updateconfig(values):
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return
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if self.model.position_callback:
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for netif in self.netifs():
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netif.poshook = self.model.position_callback
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if netif.node is not None:
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(x, y, z) = netif.node.position.get()
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netif.poshook(netif, x, y, z)
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self.model.setlinkparams()
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def all_link_data(self, flags):
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"""
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Retrieve all link data.
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:param flags: link flags
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:return: all link data
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:rtype: list[LinkData]
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:param flags: message flags
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:return: list of link data
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:rtype: list[core.data.LinkData]
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"""
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all_links = LxBrNet.all_link_data(self, flags)
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@ -446,7 +461,6 @@ class RJ45Node(PyCoreNode, PyCoreNetIf):
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:return:
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"""
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PyCoreNode.__init__(self, session, objid, name, start=start)
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# this initializes net, params, poshook
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PyCoreNetIf.__init__(self, node=self, name=name, mtu=mtu)
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self.up = False
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self.lock = threading.RLock()
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@ -456,6 +470,7 @@ class RJ45Node(PyCoreNode, PyCoreNetIf):
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self.localname = name
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self.old_up = False
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self.old_addrs = []
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if start:
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self.startup()
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@ -464,15 +479,12 @@ class RJ45Node(PyCoreNode, PyCoreNetIf):
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Set the interface in the up state.
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:return: nothing
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:raises subprocess.CalledProcessError: when there is a command exception
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"""
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# interface will also be marked up during net.attach()
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self.savestate()
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try:
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utils.check_cmd([constants.IP_BIN, "link", "set", self.localname, "up"])
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self.up = True
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except subprocess.CalledProcessError:
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logger.exception("failed to run command: %s link set %s up", constants.IP_BIN, self.localname)
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utils.check_cmd([constants.IP_BIN, "link", "set", self.localname, "up"])
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self.up = True
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def shutdown(self):
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"""
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@ -504,6 +516,7 @@ class RJ45Node(PyCoreNode, PyCoreNetIf):
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"""
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PyCoreNetIf.attachnet(self, net)
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# TODO: issue in that both classes inherited from provide the same method with different signatures
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def detachnet(self):
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"""
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Detach a network.
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@ -523,7 +536,9 @@ class RJ45Node(PyCoreNode, PyCoreNetIf):
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:param str hwaddr: hardware address
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:param int ifindex: interface index
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:param str ifname: interface name
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:return:
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:return: interface index
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:rtype: int
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:raises ValueError: when an interface has already been created, one max
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"""
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with self.lock:
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if ifindex is None:
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@ -556,14 +571,12 @@ class RJ45Node(PyCoreNode, PyCoreNetIf):
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if ifindex is None:
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ifindex = 0
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if ifindex not in self._netif:
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raise ValueError, "ifindex %s does not exist" % ifindex
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self._netif.pop(ifindex)
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if ifindex == self.ifindex:
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self.shutdown()
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else:
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raise ValueError, "ifindex %s does not exist" % ifindex
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raise ValueError("ifindex %s does not exist" % ifindex)
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def netif(self, ifindex, net=None):
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"""
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@ -606,9 +619,11 @@ class RJ45Node(PyCoreNode, PyCoreNetIf):
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:param str addr: address to add
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:return: nothing
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:raises subprocess.CalledProcessError: when there is a command exception
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"""
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if self.up:
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utils.check_cmd([constants.IP_BIN, "addr", "add", str(addr), "dev", self.name])
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PyCoreNetIf.addaddr(self, addr)
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def deladdr(self, addr):
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@ -617,9 +632,11 @@ class RJ45Node(PyCoreNode, PyCoreNetIf):
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:param str addr: address to delete
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:return: nothing
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:raises subprocess.CalledProcessError: when there is a command exception
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"""
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if self.up:
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utils.check_cmd([constants.IP_BIN, "addr", "del", str(addr), "dev", self.name])
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PyCoreNetIf.deladdr(self, addr)
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def savestate(self):
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@ -628,35 +645,34 @@ class RJ45Node(PyCoreNode, PyCoreNetIf):
|
|||
interface for emulation purposes. TODO: save/restore the PROMISC flag
|
||||
|
||||
:return: nothing
|
||||
:raises subprocess.CalledProcessError: when there is a command exception
|
||||
"""
|
||||
self.old_up = False
|
||||
self.old_addrs = []
|
||||
args = [constants.IP_BIN, "addr", "show", "dev", self.localname]
|
||||
try:
|
||||
_, output = utils.check_cmd(args)
|
||||
for line in output.split("\n"):
|
||||
items = line.split()
|
||||
if len(items) < 2:
|
||||
continue
|
||||
_, output = utils.check_cmd(args)
|
||||
for line in output.split("\n"):
|
||||
items = line.split()
|
||||
if len(items) < 2:
|
||||
continue
|
||||
|
||||
if items[1] == "%s:" % self.localname:
|
||||
flags = items[2][1:-1].split(",")
|
||||
if "UP" in flags:
|
||||
self.old_up = True
|
||||
elif items[0] == "inet":
|
||||
self.old_addrs.append((items[1], items[3]))
|
||||
elif items[0] == "inet6":
|
||||
if items[1][:4] == "fe80":
|
||||
continue
|
||||
self.old_addrs.append((items[1], None))
|
||||
except subprocess.CalledProcessError:
|
||||
logger.exception("error during save state")
|
||||
if items[1] == "%s:" % self.localname:
|
||||
flags = items[2][1:-1].split(",")
|
||||
if "UP" in flags:
|
||||
self.old_up = True
|
||||
elif items[0] == "inet":
|
||||
self.old_addrs.append((items[1], items[3]))
|
||||
elif items[0] == "inet6":
|
||||
if items[1][:4] == "fe80":
|
||||
continue
|
||||
self.old_addrs.append((items[1], None))
|
||||
|
||||
def restorestate(self):
|
||||
"""
|
||||
Restore the addresses and other interface state after using it.
|
||||
|
||||
:return: nothing
|
||||
:raises subprocess.CalledProcessError: when there is a command exception
|
||||
"""
|
||||
for addr in self.old_addrs:
|
||||
if addr[1] is None:
|
||||
|
|
@ -669,13 +685,58 @@ class RJ45Node(PyCoreNode, PyCoreNetIf):
|
|||
|
||||
def setposition(self, x=None, y=None, z=None):
|
||||
"""
|
||||
Use setposition() from both parent classes.
|
||||
Uses setposition from both parent classes.
|
||||
|
||||
:return: nothing
|
||||
:param float x: x position
|
||||
:param float y: y position
|
||||
:param float z: z position
|
||||
:return: True if position changed, False otherwise
|
||||
:rtype: bool
|
||||
"""
|
||||
PyCoreObj.setposition(self, x, y, z)
|
||||
# invoke any poshook
|
||||
result = PyCoreObj.setposition(self, x, y, z)
|
||||
PyCoreNetIf.setposition(self, x, y, z)
|
||||
return result
|
||||
|
||||
def check_cmd(self, args):
|
||||
"""
|
||||
Runs shell command on node.
|
||||
|
||||
:param list[str]|str args: command to run
|
||||
:return: exist status and combined stdout and stderr
|
||||
:rtype: tuple[int, str]
|
||||
:raises subprocess.CalledProcessError: when a non-zero exit status occurs
|
||||
"""
|
||||
raise NotImplementedError
|
||||
|
||||
def cmd(self, args, wait=True):
|
||||
"""
|
||||
Runs shell command on node, with option to not wait for a result.
|
||||
|
||||
:param list[str]|str args: command to run
|
||||
:param bool wait: wait for command to exit, defaults to True
|
||||
:return: exit status for command
|
||||
:rtype: int
|
||||
"""
|
||||
raise NotImplementedError
|
||||
|
||||
def cmd_output(self, args):
|
||||
"""
|
||||
Runs shell command on node and get exit status and output.
|
||||
|
||||
:param list[str]|str args: command to run
|
||||
:return: exit status and combined stdout and stderr
|
||||
:rtype: tuple[int, str]
|
||||
"""
|
||||
raise NotImplementedError
|
||||
|
||||
def termcmdstring(self, sh):
|
||||
"""
|
||||
Create a terminal command string.
|
||||
|
||||
:param str sh: shell to execute command in
|
||||
:return: str
|
||||
"""
|
||||
raise NotImplementedError
|
||||
|
||||
|
||||
class TunnelNode(GreTapBridge):
|
||||
|
|
|
|||
|
|
@ -78,24 +78,23 @@ class OvsNet(PyCoreNet):
|
|||
ebtables_queue.startupdateloop(self)
|
||||
|
||||
def startup(self):
|
||||
try:
|
||||
utils.check_cmd([constants.OVS_BIN, "add-br", self.bridge_name])
|
||||
except subprocess.CalledProcessError:
|
||||
logger.exception("error adding bridge")
|
||||
"""
|
||||
|
||||
try:
|
||||
# turn off spanning tree protocol and forwarding delay
|
||||
# TODO: appears stp and rstp are off by default, make sure this always holds true
|
||||
# TODO: apears ovs only supports rstp forward delay and again it's off by default
|
||||
utils.check_cmd([constants.IP_BIN, "link", "set", self.bridge_name, "up"])
|
||||
:return:
|
||||
:raises subprocess.CalledProcessError: when there is a command exception
|
||||
"""
|
||||
utils.check_cmd([constants.OVS_BIN, "add-br", self.bridge_name])
|
||||
|
||||
# create a new ebtables chain for this bridge
|
||||
ebtables_commands(utils.check_cmd, [
|
||||
[constants.EBTABLES_BIN, "-N", self.bridge_name, "-P", self.policy],
|
||||
[constants.EBTABLES_BIN, "-A", "FORWARD", "--logical-in", self.bridge_name, "-j", self.bridge_name]
|
||||
])
|
||||
except subprocess.CalledProcessError:
|
||||
logger.exception("Error setting bridge parameters")
|
||||
# turn off spanning tree protocol and forwarding delay
|
||||
# TODO: appears stp and rstp are off by default, make sure this always holds true
|
||||
# TODO: apears ovs only supports rstp forward delay and again it's off by default
|
||||
utils.check_cmd([constants.IP_BIN, "link", "set", self.bridge_name, "up"])
|
||||
|
||||
# create a new ebtables chain for this bridge
|
||||
ebtables_commands(utils.check_cmd, [
|
||||
[constants.EBTABLES_BIN, "-N", self.bridge_name, "-P", self.policy],
|
||||
[constants.EBTABLES_BIN, "-A", "FORWARD", "--logical-in", self.bridge_name, "-j", self.bridge_name]
|
||||
])
|
||||
|
||||
self.up = True
|
||||
|
||||
|
|
@ -127,22 +126,14 @@ class OvsNet(PyCoreNet):
|
|||
|
||||
def attach(self, interface):
|
||||
if self.up:
|
||||
try:
|
||||
utils.check_cmd([constants.OVS_BIN, "add-port", self.bridge_name, interface.localname])
|
||||
utils.check_cmd([constants.IP_BIN, "link", "set", interface.localname, "up"])
|
||||
except subprocess.CalledProcessError:
|
||||
logger.exception("error joining interface %s to bridge %s", interface.localname, self.bridge_name)
|
||||
return
|
||||
utils.check_cmd([constants.OVS_BIN, "add-port", self.bridge_name, interface.localname])
|
||||
utils.check_cmd([constants.IP_BIN, "link", "set", interface.localname, "up"])
|
||||
|
||||
PyCoreNet.attach(self, interface)
|
||||
|
||||
def detach(self, interface):
|
||||
if self.up:
|
||||
try:
|
||||
utils.check_cmd([constants.OVS_BIN, "del-port", self.bridge_name, interface.localname])
|
||||
except subprocess.CalledProcessError:
|
||||
logger.exception("error removing interface %s from bridge %s", interface.localname, self.bridge_name)
|
||||
return
|
||||
utils.check_cmd([constants.OVS_BIN, "del-port", self.bridge_name, interface.localname])
|
||||
|
||||
PyCoreNet.detach(self, interface)
|
||||
|
||||
|
|
@ -345,10 +336,7 @@ class OvsNet(PyCoreNet):
|
|||
return
|
||||
|
||||
for address in addresses:
|
||||
try:
|
||||
utils.check_cmd([constants.IP_BIN, "addr", "add", str(address), "dev", self.bridge_name])
|
||||
except subprocess.CalledProcessError:
|
||||
logger.exception("error adding IP address")
|
||||
utils.check_cmd([constants.IP_BIN, "addr", "add", str(address), "dev", self.bridge_name])
|
||||
|
||||
|
||||
class OvsCtrlNet(OvsNet):
|
||||
|
|
@ -392,20 +380,16 @@ class OvsCtrlNet(OvsNet):
|
|||
utils.check_cmd([self.updown_script, self.bridge_name, "startup"])
|
||||
|
||||
if self.serverintf:
|
||||
try:
|
||||
utils.check_cmd([constants.OVS_BIN, "add-port", self.bridge_name, self.serverintf])
|
||||
utils.check_cmd([constants.IP_BIN, "link", "set", self.serverintf, "up"])
|
||||
except subprocess.CalledProcessError:
|
||||
logger.exception("error joining server interface %s to controlnet bridge %s",
|
||||
self.serverintf, self.bridge_name)
|
||||
utils.check_cmd([constants.OVS_BIN, "add-port", self.bridge_name, self.serverintf])
|
||||
utils.check_cmd([constants.IP_BIN, "link", "set", self.serverintf, "up"])
|
||||
|
||||
def detectoldbridge(self):
|
||||
"""
|
||||
Occassionally, control net bridges from previously closed sessions are not cleaned up.
|
||||
Occasionally, control net bridges from previously closed sessions are not cleaned up.
|
||||
Check if there are old control net bridges and delete them
|
||||
"""
|
||||
|
||||
status, output = utils.cmd_output([constants.OVS_BIN, "list-br"])
|
||||
_, output = utils.check_cmd([constants.OVS_BIN, "list-br"])
|
||||
output = output.strip()
|
||||
if output:
|
||||
for line in output.split("\n"):
|
||||
|
|
@ -420,13 +404,16 @@ class OvsCtrlNet(OvsNet):
|
|||
if self.serverintf:
|
||||
try:
|
||||
utils.check_cmd([constants.OVS_BIN, "del-port", self.bridge_name, self.serverintf])
|
||||
except subprocess.CalledProcessError:
|
||||
logger.exception("Error deleting server interface %s to controlnet bridge %s",
|
||||
self.serverintf, self.bridge_name)
|
||||
except subprocess.CalledProcessError as e:
|
||||
logger.exception("error deleting server interface %s to controlnet bridge %s: %s",
|
||||
self.serverintf, self.bridge_name, e.output)
|
||||
|
||||
if self.updown_script:
|
||||
logger.info("interface %s updown script (%s shutdown) called", self.bridge_name, self.updown_script)
|
||||
utils.check_cmd([self.updown_script, self.bridge_name, "shutdown"])
|
||||
try:
|
||||
logger.info("interface %s updown script (%s shutdown) called", self.bridge_name, self.updown_script)
|
||||
utils.check_cmd([self.updown_script, self.bridge_name, "shutdown"])
|
||||
except subprocess.CalledProcessError as e:
|
||||
logger.exception("error during updown script shutdown: %s", e.output)
|
||||
|
||||
OvsNet.shutdown(self)
|
||||
|
||||
|
|
@ -445,12 +432,12 @@ class OvsPtpNet(OvsNet):
|
|||
raise ValueError("point-to-point links support at most 2 network interfaces")
|
||||
OvsNet.attach(self, interface)
|
||||
|
||||
def data(self, message_type):
|
||||
def data(self, message_type, lat=None, lon=None, alt=None):
|
||||
"""
|
||||
Do not generate a Node Message for point-to-point links. They are
|
||||
built using a link message instead.
|
||||
"""
|
||||
pass
|
||||
return None
|
||||
|
||||
def all_link_data(self, flags):
|
||||
"""
|
||||
|
|
@ -685,8 +672,8 @@ class OvsGreTapBridge(OvsNet):
|
|||
if remoteip is None:
|
||||
self.gretap = None
|
||||
else:
|
||||
self.gretap = GreTap(node=self, name=None, session=session, remoteip=remoteip,
|
||||
objid=None, localip=localip, ttl=ttl, key=self.grekey)
|
||||
self.gretap = GreTap(node=self, session=session, remoteip=remoteip,
|
||||
localip=localip, ttl=ttl, key=self.grekey)
|
||||
if start:
|
||||
self.startup()
|
||||
|
||||
|
|
@ -726,7 +713,7 @@ class OvsGreTapBridge(OvsNet):
|
|||
if len(addresses) > 1:
|
||||
localip = addresses[1].split("/")[0]
|
||||
|
||||
self.gretap = GreTap(session=self.session, remoteip=remoteip, objid=None, name=None,
|
||||
self.gretap = GreTap(session=self.session, remoteip=remoteip,
|
||||
localip=localip, ttl=self.ttl, key=self.grekey)
|
||||
self.attach(self.gretap)
|
||||
|
||||
|
|
|
|||
|
|
@ -31,7 +31,7 @@ class VEth(PyCoreNetIf):
|
|||
:param mtu: interface mtu
|
||||
:param net: network
|
||||
:param bool start: start flag
|
||||
:return:
|
||||
:raises subprocess.CalledProcessError: when there is a command exception
|
||||
"""
|
||||
# note that net arg is ignored
|
||||
PyCoreNetIf.__init__(self, node=node, name=name, mtu=mtu)
|
||||
|
|
@ -45,6 +45,7 @@ class VEth(PyCoreNetIf):
|
|||
Interface startup logic.
|
||||
|
||||
:return: nothing
|
||||
:raises subprocess.CalledProcessError: when there is a command exception
|
||||
"""
|
||||
utils.check_cmd([constants.IP_BIN, "link", "add", "name", self.localname,
|
||||
"type", "veth", "peer", "name", self.name])
|
||||
|
|
@ -63,11 +64,14 @@ class VEth(PyCoreNetIf):
|
|||
if self.node:
|
||||
try:
|
||||
self.node.check_cmd([constants.IP_BIN, "-6", "addr", "flush", "dev", self.name])
|
||||
except subprocess.CalledProcessError:
|
||||
logger.exception("error shutting down interface")
|
||||
except subprocess.CalledProcessError as e:
|
||||
logger.exception("error shutting down interface: %s", e.output)
|
||||
|
||||
if self.localname:
|
||||
utils.mute_detach([constants.IP_BIN, "link", "delete", self.localname])
|
||||
try:
|
||||
utils.check_cmd([constants.IP_BIN, "link", "delete", self.localname])
|
||||
except subprocess.CalledProcessError as e:
|
||||
logger.exception("error deleting link: %s", e.output)
|
||||
|
||||
self.up = False
|
||||
|
||||
|
|
@ -121,8 +125,8 @@ class TunTap(PyCoreNetIf):
|
|||
|
||||
try:
|
||||
self.node.check_cmd([constants.IP_BIN, "-6", "addr", "flush", "dev", self.name])
|
||||
except subprocess.CalledProcessError:
|
||||
logger.exception("error shutting down tunnel tap")
|
||||
except subprocess.CalledProcessError as e:
|
||||
logger.exception("error shutting down tunnel tap: %s", e.output)
|
||||
|
||||
self.up = False
|
||||
|
||||
|
|
@ -133,13 +137,16 @@ class TunTap(PyCoreNetIf):
|
|||
:param func: function to wait for a result of zero
|
||||
:param int attempts: number of attempts to wait for a zero result
|
||||
:param float maxretrydelay: maximum retry delay
|
||||
:return: nothing
|
||||
:return: True if wait succeeded, False otherwise
|
||||
:rtype: bool
|
||||
"""
|
||||
delay = 0.01
|
||||
result = False
|
||||
for i in xrange(1, attempts + 1):
|
||||
r = func()
|
||||
if r == 0:
|
||||
return
|
||||
result = True
|
||||
break
|
||||
msg = "attempt %s failed with nonzero exit status %s" % (i, r)
|
||||
if i < attempts + 1:
|
||||
msg += ", retrying..."
|
||||
|
|
@ -152,7 +159,7 @@ class TunTap(PyCoreNetIf):
|
|||
msg += ", giving up"
|
||||
logger.info(msg)
|
||||
|
||||
raise RuntimeError("command failed after %s attempts" % attempts)
|
||||
return result
|
||||
|
||||
def waitfordevicelocal(self):
|
||||
"""
|
||||
|
|
@ -182,18 +189,20 @@ class TunTap(PyCoreNetIf):
|
|||
|
||||
count = 0
|
||||
while True:
|
||||
try:
|
||||
self.waitfor(nodedevexists)
|
||||
result = self.waitfor(nodedevexists)
|
||||
if result:
|
||||
break
|
||||
except RuntimeError as e:
|
||||
# check if this is an EMANE interface; if so, continue
|
||||
# waiting if EMANE is still running
|
||||
# TODO: remove emane code
|
||||
if count < 5 and nodeutils.is_node(self.net, NodeTypes.EMANE) and self.node.session.emane.emanerunning(
|
||||
self.node):
|
||||
count += 1
|
||||
else:
|
||||
raise e
|
||||
|
||||
# check if this is an EMANE interface; if so, continue
|
||||
# waiting if EMANE is still running
|
||||
# TODO: remove emane code
|
||||
should_retry = count < 5
|
||||
is_emane_node = nodeutils.is_node(self.net, NodeTypes.EMANE)
|
||||
is_emane_running = self.node.session.emane.emanerunning(self.node)
|
||||
if all([should_retry, is_emane_node, is_emane_running]):
|
||||
count += 1
|
||||
else:
|
||||
raise RuntimeError("node device failed to exist")
|
||||
|
||||
def install(self):
|
||||
"""
|
||||
|
|
@ -203,16 +212,13 @@ class TunTap(PyCoreNetIf):
|
|||
end of the TAP.
|
||||
|
||||
:return: nothing
|
||||
:raises subprocess.CalledProcessError: when there is a command exception
|
||||
"""
|
||||
self.waitfordevicelocal()
|
||||
netns = str(self.node.pid)
|
||||
|
||||
try:
|
||||
utils.check_cmd([constants.IP_BIN, "link", "set", self.localname, "netns", netns])
|
||||
self.node.check_cmd([constants.IP_BIN, "link", "set", self.localname, "name", self.name])
|
||||
self.node.check_cmd([constants.IP_BIN, "link", "set", self.name, "up"])
|
||||
except subprocess.CalledProcessError:
|
||||
logger.exception("error installing TAP interface")
|
||||
utils.check_cmd([constants.IP_BIN, "link", "set", self.localname, "netns", netns])
|
||||
self.node.check_cmd([constants.IP_BIN, "link", "set", self.localname, "name", self.name])
|
||||
self.node.check_cmd([constants.IP_BIN, "link", "set", self.name, "up"])
|
||||
|
||||
def setaddrs(self):
|
||||
"""
|
||||
|
|
@ -222,10 +228,7 @@ class TunTap(PyCoreNetIf):
|
|||
"""
|
||||
self.waitfordevicenode()
|
||||
for addr in self.addrlist:
|
||||
try:
|
||||
self.node.check_cmd([constants.IP_BIN, "addr", "add", str(addr), "dev", self.name])
|
||||
except subprocess.CalledProcessError:
|
||||
logger.exception("failure setting interface address")
|
||||
self.node.check_cmd([constants.IP_BIN, "addr", "add", str(addr), "dev", self.name])
|
||||
|
||||
|
||||
class GreTap(PyCoreNetIf):
|
||||
|
|
@ -251,6 +254,7 @@ class GreTap(PyCoreNetIf):
|
|||
:param ttl: ttl value
|
||||
:param key: gre tap key
|
||||
:param bool start: start flag
|
||||
:raises subprocess.CalledProcessError: when there is a command exception
|
||||
"""
|
||||
PyCoreNetIf.__init__(self, node=node, name=name, mtu=mtu)
|
||||
self.session = session
|
||||
|
|
@ -268,16 +272,16 @@ class GreTap(PyCoreNetIf):
|
|||
|
||||
if remoteip is None:
|
||||
raise ValueError, "missing remote IP required for GRE TAP device"
|
||||
args = ("ip", "link", "add", self.localname, "type", "gretap",
|
||||
"remote", str(remoteip))
|
||||
args = ["ip", "link", "add", self.localname, "type", "gretap",
|
||||
"remote", str(remoteip)]
|
||||
if localip:
|
||||
args += ("local", str(localip))
|
||||
args += ["local", str(localip)]
|
||||
if ttl:
|
||||
args += ("ttl", str(ttl))
|
||||
args += ["ttl", str(ttl)]
|
||||
if key:
|
||||
args += ("key", str(key))
|
||||
args += ["key", str(key)]
|
||||
utils.check_cmd(args)
|
||||
args = ("ip", "link", "set", self.localname, "up")
|
||||
args = ["ip", "link", "set", self.localname, "up"]
|
||||
utils.check_cmd(args)
|
||||
self.up = True
|
||||
|
||||
|
|
@ -288,10 +292,14 @@ class GreTap(PyCoreNetIf):
|
|||
:return: nothing
|
||||
"""
|
||||
if self.localname:
|
||||
args = ("ip", "link", "set", self.localname, "down")
|
||||
utils.check_cmd(args)
|
||||
args = ("ip", "link", "del", self.localname)
|
||||
utils.check_cmd(args)
|
||||
try:
|
||||
args = ["ip", "link", "set", self.localname, "down"]
|
||||
utils.check_cmd(args)
|
||||
args = ["ip", "link", "del", self.localname]
|
||||
utils.check_cmd(args)
|
||||
except subprocess.CalledProcessError as e:
|
||||
logger.exception("error during shutdown: %s", e.output)
|
||||
|
||||
self.localname = None
|
||||
|
||||
def data(self, message_type):
|
||||
|
|
|
|||
|
|
@ -59,11 +59,12 @@ class EbtablesQueue(object):
|
|||
|
||||
:return: nothing
|
||||
"""
|
||||
self.updatelock.acquire()
|
||||
self.last_update_time[wlan] = time.time()
|
||||
self.updatelock.release()
|
||||
with self.updatelock:
|
||||
self.last_update_time[wlan] = time.time()
|
||||
|
||||
if self.doupdateloop:
|
||||
return
|
||||
|
||||
self.doupdateloop = True
|
||||
self.updatethread = threading.Thread(target=self.updateloop)
|
||||
self.updatethread.daemon = True
|
||||
|
|
@ -75,15 +76,15 @@ class EbtablesQueue(object):
|
|||
|
||||
:return: nothing
|
||||
"""
|
||||
self.updatelock.acquire()
|
||||
try:
|
||||
del self.last_update_time[wlan]
|
||||
except KeyError:
|
||||
logger.exception("error deleting last update time for wlan, ignored before: %s", wlan)
|
||||
with self.updatelock:
|
||||
try:
|
||||
del self.last_update_time[wlan]
|
||||
except KeyError:
|
||||
logger.exception("error deleting last update time for wlan, ignored before: %s", wlan)
|
||||
|
||||
self.updatelock.release()
|
||||
if len(self.last_update_time) > 0:
|
||||
return
|
||||
|
||||
self.doupdateloop = False
|
||||
if self.updatethread:
|
||||
self.updatethread.join()
|
||||
|
|
@ -137,25 +138,26 @@ class EbtablesQueue(object):
|
|||
:return: nothing
|
||||
"""
|
||||
while self.doupdateloop:
|
||||
self.updatelock.acquire()
|
||||
for wlan in self.updates:
|
||||
"""
|
||||
Check if wlan is from a previously closed session. Because of the
|
||||
rate limiting scheme employed here, this may happen if a new session
|
||||
is started soon after closing a previous session.
|
||||
"""
|
||||
try:
|
||||
wlan.session
|
||||
except:
|
||||
# Just mark as updated to remove from self.updates.
|
||||
self.updated(wlan)
|
||||
continue
|
||||
if self.lastupdate(wlan) > self.rate:
|
||||
self.buildcmds(wlan)
|
||||
# print "ebtables commit %d rules" % len(self.cmds)
|
||||
self.ebcommit(wlan)
|
||||
self.updated(wlan)
|
||||
self.updatelock.release()
|
||||
with self.updatelock:
|
||||
for wlan in self.updates:
|
||||
"""
|
||||
Check if wlan is from a previously closed session. Because of the
|
||||
rate limiting scheme employed here, this may happen if a new session
|
||||
is started soon after closing a previous session.
|
||||
"""
|
||||
# TODO: if these are WlanNodes, this will never throw an exception
|
||||
try:
|
||||
wlan.session
|
||||
except:
|
||||
# Just mark as updated to remove from self.updates.
|
||||
self.updated(wlan)
|
||||
continue
|
||||
|
||||
if self.lastupdate(wlan) > self.rate:
|
||||
self.buildcmds(wlan)
|
||||
self.ebcommit(wlan)
|
||||
self.updated(wlan)
|
||||
|
||||
time.sleep(self.rate)
|
||||
|
||||
def ebcommit(self, wlan):
|
||||
|
|
@ -166,29 +168,22 @@ class EbtablesQueue(object):
|
|||
"""
|
||||
# save kernel ebtables snapshot to a file
|
||||
args = self.ebatomiccmd(["--atomic-save", ])
|
||||
try:
|
||||
utils.check_cmd(args)
|
||||
except subprocess.CalledProcessError:
|
||||
logger.exception("atomic-save (%s)", args)
|
||||
# no atomic file, exit
|
||||
return
|
||||
utils.check_cmd(args)
|
||||
|
||||
# modify the table file using queued ebtables commands
|
||||
for c in self.cmds:
|
||||
args = self.ebatomiccmd(c)
|
||||
try:
|
||||
utils.check_cmd(args)
|
||||
except subprocess.CalledProcessError:
|
||||
logger.exception("cmd=%s", args)
|
||||
|
||||
utils.check_cmd(args)
|
||||
self.cmds = []
|
||||
|
||||
# commit the table file to the kernel
|
||||
args = self.ebatomiccmd(["--atomic-commit", ])
|
||||
utils.check_cmd(args)
|
||||
|
||||
try:
|
||||
utils.check_cmd(args)
|
||||
os.unlink(self.atomic_file)
|
||||
except OSError:
|
||||
logger.exception("atomic-commit (%s)", args)
|
||||
logger.exception("error removing atomic file: %s", self.atomic_file)
|
||||
|
||||
def ebchange(self, wlan):
|
||||
"""
|
||||
|
|
@ -197,10 +192,9 @@ class EbtablesQueue(object):
|
|||
|
||||
:return: nothing
|
||||
"""
|
||||
self.updatelock.acquire()
|
||||
if wlan not in self.updates:
|
||||
self.updates.append(wlan)
|
||||
self.updatelock.release()
|
||||
with self.updatelock:
|
||||
if wlan not in self.updates:
|
||||
self.updates.append(wlan)
|
||||
|
||||
def buildcmds(self, wlan):
|
||||
"""
|
||||
|
|
@ -208,23 +202,22 @@ class EbtablesQueue(object):
|
|||
|
||||
:return: nothing
|
||||
"""
|
||||
wlan._linked_lock.acquire()
|
||||
# flush the chain
|
||||
self.cmds.extend([["-F", wlan.brname], ])
|
||||
# rebuild the chain
|
||||
for netif1, v in wlan._linked.items():
|
||||
for netif2, linked in v.items():
|
||||
if wlan.policy == "DROP" and linked:
|
||||
self.cmds.extend([["-A", wlan.brname, "-i", netif1.localname,
|
||||
"-o", netif2.localname, "-j", "ACCEPT"],
|
||||
["-A", wlan.brname, "-o", netif1.localname,
|
||||
"-i", netif2.localname, "-j", "ACCEPT"]])
|
||||
elif wlan.policy == "ACCEPT" and not linked:
|
||||
self.cmds.extend([["-A", wlan.brname, "-i", netif1.localname,
|
||||
"-o", netif2.localname, "-j", "DROP"],
|
||||
["-A", wlan.brname, "-o", netif1.localname,
|
||||
"-i", netif2.localname, "-j", "DROP"]])
|
||||
wlan._linked_lock.release()
|
||||
with wlan._linked_lock:
|
||||
# flush the chain
|
||||
self.cmds.extend([["-F", wlan.brname], ])
|
||||
# rebuild the chain
|
||||
for netif1, v in wlan._linked.items():
|
||||
for netif2, linked in v.items():
|
||||
if wlan.policy == "DROP" and linked:
|
||||
self.cmds.extend([["-A", wlan.brname, "-i", netif1.localname,
|
||||
"-o", netif2.localname, "-j", "ACCEPT"],
|
||||
["-A", wlan.brname, "-o", netif1.localname,
|
||||
"-i", netif2.localname, "-j", "ACCEPT"]])
|
||||
elif wlan.policy == "ACCEPT" and not linked:
|
||||
self.cmds.extend([["-A", wlan.brname, "-i", netif1.localname,
|
||||
"-o", netif2.localname, "-j", "DROP"],
|
||||
["-A", wlan.brname, "-o", netif1.localname,
|
||||
"-i", netif2.localname, "-j", "DROP"]])
|
||||
|
||||
|
||||
# a global object because all WLANs share the same queue
|
||||
|
|
@ -279,28 +272,24 @@ class LxBrNet(PyCoreNet):
|
|||
Linux bridge starup logic.
|
||||
|
||||
:return: nothing
|
||||
:raises subprocess.CalledProcessError: when there is a command exception
|
||||
"""
|
||||
try:
|
||||
utils.check_cmd([constants.BRCTL_BIN, "addbr", self.brname])
|
||||
except subprocess.CalledProcessError:
|
||||
logger.exception("Error adding bridge")
|
||||
utils.check_cmd([constants.BRCTL_BIN, "addbr", self.brname])
|
||||
|
||||
try:
|
||||
# turn off spanning tree protocol and forwarding delay
|
||||
utils.check_cmd([constants.BRCTL_BIN, "stp", self.brname, "off"])
|
||||
utils.check_cmd([constants.BRCTL_BIN, "setfd", self.brname, "0"])
|
||||
utils.check_cmd([constants.IP_BIN, "link", "set", self.brname, "up"])
|
||||
# create a new ebtables chain for this bridge
|
||||
ebtablescmds(utils.check_cmd, [
|
||||
[constants.EBTABLES_BIN, "-N", self.brname, "-P", self.policy],
|
||||
[constants.EBTABLES_BIN, "-A", "FORWARD", "--logical-in", self.brname, "-j", self.brname]
|
||||
])
|
||||
# turn off multicast snooping so mcast forwarding occurs w/o IGMP joins
|
||||
snoop = "/sys/devices/virtual/net/%s/bridge/multicast_snooping" % self.brname
|
||||
if os.path.exists(snoop):
|
||||
open(snoop, "w").write("0")
|
||||
except subprocess.CalledProcessError:
|
||||
logger.exception("Error setting bridge parameters")
|
||||
# turn off spanning tree protocol and forwarding delay
|
||||
utils.check_cmd([constants.BRCTL_BIN, "stp", self.brname, "off"])
|
||||
utils.check_cmd([constants.BRCTL_BIN, "setfd", self.brname, "0"])
|
||||
utils.check_cmd([constants.IP_BIN, "link", "set", self.brname, "up"])
|
||||
# create a new ebtables chain for this bridge
|
||||
ebtablescmds(utils.check_cmd, [
|
||||
[constants.EBTABLES_BIN, "-N", self.brname, "-P", self.policy],
|
||||
[constants.EBTABLES_BIN, "-A", "FORWARD", "--logical-in", self.brname, "-j", self.brname]
|
||||
])
|
||||
# turn off multicast snooping so mcast forwarding occurs w/o IGMP joins
|
||||
snoop = "/sys/devices/virtual/net/%s/bridge/multicast_snooping" % self.brname
|
||||
if os.path.exists(snoop):
|
||||
with open(snoop, "w") as snoop_file:
|
||||
snoop_file.write("0")
|
||||
|
||||
self.up = True
|
||||
|
||||
|
|
@ -312,6 +301,7 @@ class LxBrNet(PyCoreNet):
|
|||
"""
|
||||
if not self.up:
|
||||
return
|
||||
|
||||
ebq.stopupdateloop(self)
|
||||
|
||||
try:
|
||||
|
|
@ -333,20 +323,18 @@ class LxBrNet(PyCoreNet):
|
|||
del self.session
|
||||
self.up = False
|
||||
|
||||
# TODO: this depends on a subtype with localname defined, seems like the wrong place for this to live
|
||||
def attach(self, netif):
|
||||
"""
|
||||
Attach a network interface.
|
||||
|
||||
:param core.netns.vif.VEth netif: network interface to attach
|
||||
:param core.netns.vnode.VEth netif: network interface to attach
|
||||
:return: nothing
|
||||
"""
|
||||
if self.up:
|
||||
try:
|
||||
utils.check_cmd([constants.BRCTL_BIN, "addif", self.brname, netif.localname])
|
||||
utils.check_cmd([constants.IP_BIN, "link", "set", netif.localname, "up"])
|
||||
except subprocess.CalledProcessError:
|
||||
logger.exception("Error joining interface %s to bridge %s", netif.localname, self.brname)
|
||||
return
|
||||
utils.check_cmd([constants.BRCTL_BIN, "addif", self.brname, netif.localname])
|
||||
utils.check_cmd([constants.IP_BIN, "link", "set", netif.localname, "up"])
|
||||
|
||||
PyCoreNet.attach(self, netif)
|
||||
|
||||
def detach(self, netif):
|
||||
|
|
@ -357,11 +345,8 @@ class LxBrNet(PyCoreNet):
|
|||
:return: nothing
|
||||
"""
|
||||
if self.up:
|
||||
try:
|
||||
utils.check_cmd([constants.BRCTL_BIN, "delif", self.brname, netif.localname])
|
||||
except subprocess.CalledProcessError:
|
||||
logger.exception("Error removing interface %s from bridge %s", netif.localname, self.brname)
|
||||
return
|
||||
utils.check_cmd([constants.BRCTL_BIN, "delif", self.brname, netif.localname])
|
||||
|
||||
PyCoreNet.detach(self, netif)
|
||||
|
||||
def linked(self, netif1, netif2):
|
||||
|
|
@ -402,12 +387,11 @@ class LxBrNet(PyCoreNet):
|
|||
:param core.netns.vif.Veth netif2: interface two
|
||||
:return: nothing
|
||||
"""
|
||||
self._linked_lock.acquire()
|
||||
if not self.linked(netif1, netif2):
|
||||
self._linked_lock.release()
|
||||
return
|
||||
self._linked[netif1][netif2] = False
|
||||
self._linked_lock.release()
|
||||
with self._linked_lock:
|
||||
if not self.linked(netif1, netif2):
|
||||
return
|
||||
self._linked[netif1][netif2] = False
|
||||
|
||||
ebq.ebchange(self)
|
||||
|
||||
def link(self, netif1, netif2):
|
||||
|
|
@ -419,12 +403,11 @@ class LxBrNet(PyCoreNet):
|
|||
:param core.netns.vif.Veth netif2: interface two
|
||||
:return: nothing
|
||||
"""
|
||||
self._linked_lock.acquire()
|
||||
if self.linked(netif1, netif2):
|
||||
self._linked_lock.release()
|
||||
return
|
||||
self._linked[netif1][netif2] = True
|
||||
self._linked_lock.release()
|
||||
with self._linked_lock:
|
||||
if self.linked(netif1, netif2):
|
||||
return
|
||||
self._linked[netif1][netif2] = True
|
||||
|
||||
ebq.ebchange(self)
|
||||
|
||||
def linkconfig(self, netif, bw=None, delay=None, loss=None, duplicate=None,
|
||||
|
|
@ -525,18 +508,21 @@ class LxBrNet(PyCoreNet):
|
|||
self_objid = "%x" % self.objid
|
||||
except TypeError:
|
||||
self_objid = "%s" % self.objid
|
||||
|
||||
try:
|
||||
net_objid = "%x" % net.objid
|
||||
except TypeError:
|
||||
net_objid = "%s" % net.objid
|
||||
|
||||
localname = "veth%s.%s.%s" % (self_objid, net_objid, sessionid)
|
||||
if len(localname) >= 16:
|
||||
raise ValueError("interface local name %s too long" % localname)
|
||||
|
||||
name = "veth%s.%s.%s" % (net_objid, self_objid, sessionid)
|
||||
if len(name) >= 16:
|
||||
raise ValueError("interface name %s too long" % name)
|
||||
netif = VEth(node=None, name=name, localname=localname,
|
||||
mtu=1500, net=self, start=self.up)
|
||||
|
||||
netif = VEth(node=None, name=name, localname=localname, mtu=1500, net=self, start=self.up)
|
||||
self.attach(netif)
|
||||
if net.up:
|
||||
# this is similar to net.attach() but uses netif.name instead
|
||||
|
|
@ -563,6 +549,7 @@ class LxBrNet(PyCoreNet):
|
|||
for netif in self.netifs():
|
||||
if hasattr(netif, "othernet") and netif.othernet == net:
|
||||
return netif
|
||||
|
||||
return None
|
||||
|
||||
def addrconfig(self, addrlist):
|
||||
|
|
@ -574,11 +561,9 @@ class LxBrNet(PyCoreNet):
|
|||
"""
|
||||
if not self.up:
|
||||
return
|
||||
|
||||
for addr in addrlist:
|
||||
try:
|
||||
utils.check_cmd([constants.IP_BIN, "addr", "add", str(addr), "dev", self.brname])
|
||||
except subprocess.CalledProcessError:
|
||||
logger.exception("Error adding IP address")
|
||||
utils.check_cmd([constants.IP_BIN, "addr", "add", str(addr), "dev", self.brname])
|
||||
|
||||
|
||||
class GreTapBridge(LxBrNet):
|
||||
|
|
@ -615,8 +600,8 @@ class GreTapBridge(LxBrNet):
|
|||
if remoteip is None:
|
||||
self.gretap = None
|
||||
else:
|
||||
self.gretap = GreTap(node=self, name=None, session=session, remoteip=remoteip,
|
||||
objid=None, localip=localip, ttl=ttl, key=self.grekey)
|
||||
self.gretap = GreTap(node=self, session=session, remoteip=remoteip,
|
||||
localip=localip, ttl=ttl, key=self.grekey)
|
||||
if start:
|
||||
self.startup()
|
||||
|
||||
|
|
@ -658,7 +643,7 @@ class GreTapBridge(LxBrNet):
|
|||
localip = None
|
||||
if len(addrlist) > 1:
|
||||
localip = addrlist[1].split("/")[0]
|
||||
self.gretap = GreTap(session=self.session, remoteip=remoteip, objid=None, name=None,
|
||||
self.gretap = GreTap(session=self.session, remoteip=remoteip,
|
||||
localip=localip, ttl=self.ttl, key=self.grekey)
|
||||
self.attach(self.gretap)
|
||||
|
||||
|
|
|
|||
|
|
@ -98,25 +98,19 @@ class SimpleLxcNode(PyCoreNode):
|
|||
env["NODE_NUMBER"] = str(self.objid)
|
||||
env["NODE_NAME"] = str(self.name)
|
||||
|
||||
try:
|
||||
_, output = utils.check_cmd(vnoded, env=env)
|
||||
self.pid = int(output)
|
||||
except subprocess.CalledProcessError:
|
||||
logger.exception("vnoded failed to create a namespace; check kernel support and user privileges")
|
||||
_, output = utils.check_cmd(vnoded, env=env)
|
||||
self.pid = int(output)
|
||||
|
||||
# create vnode client
|
||||
self.client = vnodeclient.VnodeClient(self.name, self.ctrlchnlname)
|
||||
|
||||
try:
|
||||
# bring up the loopback interface
|
||||
logger.info("bringing up loopback interface")
|
||||
self.check_cmd([constants.IP_BIN, "link", "set", "lo", "up"])
|
||||
# bring up the loopback interface
|
||||
logger.info("bringing up loopback interface")
|
||||
self.check_cmd([constants.IP_BIN, "link", "set", "lo", "up"])
|
||||
|
||||
# set hostname for node
|
||||
logger.info("setting hostname: %s" % self.name)
|
||||
self.check_cmd(["hostname", self.name])
|
||||
except subprocess.CalledProcessError:
|
||||
logger.exception("error setting up loopback and hostname: %s")
|
||||
# set hostname for node
|
||||
logger.info("setting hostname: %s" % self.name)
|
||||
self.check_cmd(["hostname", self.name])
|
||||
|
||||
# mark node as up
|
||||
self.up = True
|
||||
|
|
@ -165,7 +159,7 @@ class SimpleLxcNode(PyCoreNode):
|
|||
|
||||
:return: nothing
|
||||
"""
|
||||
pass
|
||||
return None
|
||||
|
||||
def cmd(self, args, wait=True):
|
||||
"""
|
||||
|
|
@ -208,7 +202,6 @@ class SimpleLxcNode(PyCoreNode):
|
|||
"""
|
||||
return self.client.termcmdstring(sh)
|
||||
|
||||
# TODO: should change how this exception is just swallowed up
|
||||
def mount(self, source, target):
|
||||
"""
|
||||
Create and mount a directory.
|
||||
|
|
@ -216,17 +209,15 @@ class SimpleLxcNode(PyCoreNode):
|
|||
:param str source: source directory to mount
|
||||
:param str target: target directory to create
|
||||
:return: nothing
|
||||
:raises subprocess.CalledProcessError: when a non-zero exit status occurs
|
||||
"""
|
||||
source = os.path.abspath(source)
|
||||
logger.info("mounting %s at %s" % (source, target))
|
||||
try:
|
||||
cmd = 'mkdir -p "%s" && %s -n --bind "%s" "%s"' % (target, constants.MOUNT_BIN, source, target)
|
||||
status, output = self.client.shcmd_result(cmd)
|
||||
if status:
|
||||
raise IOError("error during mount: %s" % output)
|
||||
self._mounts.append((source, target))
|
||||
except IOError:
|
||||
logger.exception("mounting failed for %s at %s", source, target)
|
||||
cmd = 'mkdir -p "%s" && %s -n --bind "%s" "%s"' % (target, constants.MOUNT_BIN, source, target)
|
||||
status, output = self.client.shcmd_result(cmd)
|
||||
if status:
|
||||
raise subprocess.CalledProcessError(status, cmd, output)
|
||||
self._mounts.append((source, target))
|
||||
|
||||
def umount(self, target):
|
||||
"""
|
||||
|
|
@ -238,8 +229,8 @@ class SimpleLxcNode(PyCoreNode):
|
|||
logger.info("unmounting: %s", target)
|
||||
try:
|
||||
self.check_cmd([constants.UMOUNT_BIN, "-n", "-l", target])
|
||||
except subprocess.CalledProcessError:
|
||||
logger.exception("error during unmount")
|
||||
except subprocess.CalledProcessError as e:
|
||||
logger.exception("error during unmount: %s", e.output)
|
||||
|
||||
def newifindex(self):
|
||||
"""
|
||||
|
|
@ -277,33 +268,29 @@ class SimpleLxcNode(PyCoreNode):
|
|||
localname = "veth" + suffix
|
||||
if len(localname) >= 16:
|
||||
raise ValueError("interface local name (%s) too long" % localname)
|
||||
|
||||
name = localname + "p"
|
||||
if len(name) >= 16:
|
||||
raise ValueError("interface name (%s) too long" % name)
|
||||
|
||||
veth = VEth(node=self, name=name, localname=localname, net=net, start=self.up)
|
||||
|
||||
if self.up:
|
||||
try:
|
||||
utils.check_cmd([constants.IP_BIN, "link", "set", veth.name, "netns", str(self.pid)])
|
||||
self.check_cmd([constants.IP_BIN, "link", "set", veth.name, "name", ifname])
|
||||
except subprocess.CalledProcessError:
|
||||
logger.exception("failure setting eth name")
|
||||
utils.check_cmd([constants.IP_BIN, "link", "set", veth.name, "netns", str(self.pid)])
|
||||
self.check_cmd([constants.IP_BIN, "link", "set", veth.name, "name", ifname])
|
||||
|
||||
veth.name = ifname
|
||||
|
||||
if self.up:
|
||||
# TODO: potentially find better way to query interface ID
|
||||
# retrieve interface information
|
||||
try:
|
||||
_, output = self.check_cmd(["ip", "link", "show", veth.name])
|
||||
logger.info("interface command output: %s", output)
|
||||
output = output.split("\n")
|
||||
veth.flow_id = int(output[0].strip().split(":")[0]) + 1
|
||||
logger.info("interface flow index: %s - %s", veth.name, veth.flow_id)
|
||||
veth.hwaddr = output[1].strip().split()[1]
|
||||
logger.info("interface mac: %s - %s", veth.name, veth.hwaddr)
|
||||
except subprocess.CalledProcessError:
|
||||
logger.exception("failure getting flow id and mac address")
|
||||
_, output = self.check_cmd(["ip", "link", "show", veth.name])
|
||||
logger.info("interface command output: %s", output)
|
||||
output = output.split("\n")
|
||||
veth.flow_id = int(output[0].strip().split(":")[0]) + 1
|
||||
logger.info("interface flow index: %s - %s", veth.name, veth.flow_id)
|
||||
veth.hwaddr = output[1].strip().split()[1]
|
||||
logger.info("interface mac: %s - %s", veth.name, veth.hwaddr)
|
||||
|
||||
try:
|
||||
self.addnetif(veth, ifindex)
|
||||
|
|
@ -351,15 +338,13 @@ class SimpleLxcNode(PyCoreNode):
|
|||
|
||||
:param int ifindex: index of interface to set hardware address for
|
||||
:param core.misc.ipaddress.MacAddress addr: hardware address to set
|
||||
:return: mothing
|
||||
:return: nothing
|
||||
:raises subprocess.CalledProcessError: when a non-zero exit status occurs
|
||||
"""
|
||||
self._netif[ifindex].sethwaddr(addr)
|
||||
if self.up:
|
||||
args = [constants.IP_BIN, "link", "set", "dev", self.ifname(ifindex), "address", str(addr)]
|
||||
try:
|
||||
self.check_cmd(args)
|
||||
except subprocess.CalledProcessError:
|
||||
logger.exception("error setting MAC address %s: %s", addr)
|
||||
self.check_cmd(args)
|
||||
|
||||
def addaddr(self, ifindex, addr):
|
||||
"""
|
||||
|
|
@ -370,16 +355,13 @@ class SimpleLxcNode(PyCoreNode):
|
|||
:return: nothing
|
||||
"""
|
||||
if self.up:
|
||||
try:
|
||||
# check if addr is ipv6
|
||||
if ":" in str(addr):
|
||||
args = [constants.IP_BIN, "addr", "add", str(addr), "dev", self.ifname(ifindex)]
|
||||
self.check_cmd(args)
|
||||
else:
|
||||
args = [constants.IP_BIN, "addr", "add", str(addr), "broadcast", "+", "dev", self.ifname(ifindex)]
|
||||
self.check_cmd(args)
|
||||
except subprocess.CalledProcessError:
|
||||
logger.exception("failure adding interface address")
|
||||
# check if addr is ipv6
|
||||
if ":" in str(addr):
|
||||
args = [constants.IP_BIN, "addr", "add", str(addr), "dev", self.ifname(ifindex)]
|
||||
self.check_cmd(args)
|
||||
else:
|
||||
args = [constants.IP_BIN, "addr", "add", str(addr), "broadcast", "+", "dev", self.ifname(ifindex)]
|
||||
self.check_cmd(args)
|
||||
|
||||
self._netif[ifindex].addaddr(addr)
|
||||
|
||||
|
|
@ -390,6 +372,7 @@ class SimpleLxcNode(PyCoreNode):
|
|||
:param int ifindex: index of interface to delete address from
|
||||
:param str addr: address to delete from interface
|
||||
:return: nothing
|
||||
:raises subprocess.CalledProcessError: when a non-zero exit status occurs
|
||||
"""
|
||||
try:
|
||||
self._netif[ifindex].deladdr(addr)
|
||||
|
|
@ -397,10 +380,7 @@ class SimpleLxcNode(PyCoreNode):
|
|||
logger.exception("trying to delete unknown address: %s" % addr)
|
||||
|
||||
if self.up:
|
||||
try:
|
||||
self.check_cmd([constants.IP_BIN, "addr", "del", str(addr), "dev", self.ifname(ifindex)])
|
||||
except subprocess.CalledProcessError:
|
||||
logger.exception("failure deleting address")
|
||||
self.check_cmd([constants.IP_BIN, "addr", "del", str(addr), "dev", self.ifname(ifindex)])
|
||||
|
||||
def delalladdr(self, ifindex, address_types=valid_address_types):
|
||||
"""
|
||||
|
|
@ -409,6 +389,7 @@ class SimpleLxcNode(PyCoreNode):
|
|||
:param int ifindex: index of interface to delete address types from
|
||||
:param tuple[str] address_types: address types to delete
|
||||
:return: nothing
|
||||
:raises subprocess.CalledProcessError: when a non-zero exit status occurs
|
||||
"""
|
||||
interface_name = self.ifname(ifindex)
|
||||
addresses = self.client.getaddr(interface_name, rescan=True)
|
||||
|
|
@ -430,10 +411,7 @@ class SimpleLxcNode(PyCoreNode):
|
|||
:return: nothing
|
||||
"""
|
||||
if self.up:
|
||||
try:
|
||||
self.check_cmd([constants.IP_BIN, "link", "set", self.ifname(ifindex), "up"])
|
||||
except subprocess.CalledProcessError:
|
||||
logger.exception("failure bringing interface up")
|
||||
self.check_cmd([constants.IP_BIN, "link", "set", self.ifname(ifindex), "up"])
|
||||
|
||||
def newnetif(self, net=None, addrlist=None, hwaddr=None, ifindex=None, ifname=None):
|
||||
"""
|
||||
|
|
@ -510,17 +488,15 @@ class SimpleLxcNode(PyCoreNode):
|
|||
:param str srcname: source file name
|
||||
:param str filename: file name to add
|
||||
:return: nothing
|
||||
:raises subprocess.CalledProcessError: when a non-zero exit status occurs
|
||||
"""
|
||||
logger.info("adding file from %s to %s", srcname, filename)
|
||||
directory = os.path.dirname(filename)
|
||||
|
||||
try:
|
||||
cmd = 'mkdir -p "%s" && mv "%s" "%s" && sync' % (directory, srcname, filename)
|
||||
status, output = self.client.shcmd_result(cmd)
|
||||
if status:
|
||||
raise IOError("error adding file: %s" % output)
|
||||
except IOError:
|
||||
logger.exception("error during addfile")
|
||||
cmd = 'mkdir -p "%s" && mv "%s" "%s" && sync' % (directory, srcname, filename)
|
||||
status, output = self.client.shcmd_result(cmd)
|
||||
if status:
|
||||
raise subprocess.CalledProcessError(status, cmd, output)
|
||||
|
||||
|
||||
class LxcNode(SimpleLxcNode):
|
||||
|
|
@ -567,13 +543,10 @@ class LxcNode(SimpleLxcNode):
|
|||
:return: nothing
|
||||
"""
|
||||
with self.lock:
|
||||
try:
|
||||
self.makenodedir()
|
||||
super(LxcNode, self).startup()
|
||||
self.privatedir("/var/run")
|
||||
self.privatedir("/var/log")
|
||||
except OSError:
|
||||
logger.exception("error during startup")
|
||||
self.makenodedir()
|
||||
super(LxcNode, self).startup()
|
||||
self.privatedir("/var/run")
|
||||
self.privatedir("/var/log")
|
||||
|
||||
def shutdown(self):
|
||||
"""
|
||||
|
|
@ -585,8 +558,6 @@ class LxcNode(SimpleLxcNode):
|
|||
return
|
||||
|
||||
with self.lock:
|
||||
# services are instead stopped when session enters datacollect state
|
||||
# self.session.services.stopnodeservices(self)
|
||||
try:
|
||||
super(LxcNode, self).shutdown()
|
||||
except OSError:
|
||||
|
|
@ -605,12 +576,7 @@ class LxcNode(SimpleLxcNode):
|
|||
if path[0] != "/":
|
||||
raise ValueError("path not fully qualified: %s" % path)
|
||||
hostpath = os.path.join(self.nodedir, os.path.normpath(path).strip("/").replace("/", "."))
|
||||
|
||||
try:
|
||||
os.mkdir(hostpath)
|
||||
except OSError:
|
||||
logger.exception("error creating directory: %s", hostpath)
|
||||
|
||||
os.mkdir(hostpath)
|
||||
self.mount(hostpath, path)
|
||||
|
||||
def hostfilename(self, filename):
|
||||
|
|
@ -622,7 +588,7 @@ class LxcNode(SimpleLxcNode):
|
|||
"""
|
||||
dirname, basename = os.path.split(filename)
|
||||
if not basename:
|
||||
raise ValueError("no basename for filename: " + filename)
|
||||
raise ValueError("no basename for filename: %s" % filename)
|
||||
if dirname and dirname[0] == "/":
|
||||
dirname = dirname[1:]
|
||||
dirname = dirname.replace("/", ".")
|
||||
|
|
|
|||
|
|
@ -109,7 +109,7 @@ class VnodeClient(object):
|
|||
:raises subprocess.CalledProcessError: when there is a non-zero exit status
|
||||
"""
|
||||
status, output = self.cmd_output(args)
|
||||
if status:
|
||||
if status != 0:
|
||||
raise subprocess.CalledProcessError(status, args, output)
|
||||
return status, output.strip()
|
||||
|
||||
|
|
@ -174,8 +174,8 @@ class VnodeClient(object):
|
|||
args = ("xterm", "-ut", "-title", self.name, "-e", VCMD, "-c", self.ctrlchnlname, "--", sh)
|
||||
if "SUDO_USER" in os.environ:
|
||||
args = ("su", "-s", "/bin/sh", "-c",
|
||||
"exec " + " ".join(map(lambda x: "'%s'" % x, args)),
|
||||
os.environ["SUDO_USER"])
|
||||
"exec " + " ".join(map(lambda x: "'%s'" % x, args)),
|
||||
os.environ["SUDO_USER"])
|
||||
return os.spawnvp(os.P_NOWAIT, args[0], args)
|
||||
|
||||
def termcmdstring(self, sh="/bin/sh"):
|
||||
|
|
|
|||
Loading…
Reference in a new issue