Adding upstream version 8.4.4.upstream/8.4.4upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 320 insertions, 0 deletions

diff --git a/tests/topotests/lib/ltemplate.py b/tests/topotests/lib/ltemplate.py
new file mode 100644
index 0000000..2544023
--- /dev/null
+++ b/tests/topotests/lib/ltemplate.py
@@ -0,0 +1,320 @@
+#!/usr/bin/env python
+
+#
+# Part of NetDEF Topology Tests
+#
+# Copyright (c) 2017 by
+# Network Device Education Foundation, Inc. ("NetDEF")
+#
+# Permission to use, copy, modify, and/or distribute this software
+# for any purpose with or without fee is hereby granted, provided
+# that the above copyright notice and this permission notice appear
+# in all copies.
+#
+# THE SOFTWARE IS PROVIDED "AS IS" AND NETDEF DISCLAIMS ALL WARRANTIES
+# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NETDEF BE LIABLE FOR
+# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY
+# DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
+# WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS
+# ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
+# OF THIS SOFTWARE.
+#
+
+"""
+ltemplate.py: LabN template for FRR tests.
+"""
+
+import os
+import sys
+import platform
+
+import pytest
+
+# pylint: disable=C0413
+# Import topogen and topotest helpers
+from lib import topotest
+from lib.topogen import Topogen, TopoRouter, get_topogen
+from lib.topolog import logger
+from lib.lutil import *
+
+# Required to instantiate the topology builder class.
+
+customize = None
+
+
+class LTemplate:
+    test = None
+    testdir = None
+    scriptdir = None
+    logdir = None
+    prestarthooksuccess = True
+    poststarthooksuccess = True
+    iproute2Ver = None
+
+    def __init__(self, test, testdir):
+        pathname = os.path.join(testdir, "customize.py")
+        global customize
+        if sys.version_info >= (3, 5):
+            import importlib.util
+
+            spec = importlib.util.spec_from_file_location("customize", pathname)
+            customize = importlib.util.module_from_spec(spec)
+            spec.loader.exec_module(customize)
+        else:
+            import imp
+
+            customize = imp.load_source("customize", pathname)
+        self.test = test
+        self.testdir = testdir
+        self.scriptdir = testdir
+        self.logdir = ""
+        logger.info("LTemplate: " + test)
+
+    def setup_module(self, mod):
+        "Sets up the pytest environment"
+        # This function initiates the topology build with Topogen...
+        tgen = Topogen(customize.build_topo, mod.__name__)
+        # ... and here it calls Mininet initialization functions.
+        tgen.start_topology()
+
+        self.logdir = tgen.logdir
+
+        logger.info("Topology started")
+        try:
+            self.prestarthooksuccess = customize.ltemplatePreRouterStartHook()
+        except AttributeError:
+            # not defined
+            logger.debug("ltemplatePreRouterStartHook() not defined")
+        if self.prestarthooksuccess != True:
+            logger.info("ltemplatePreRouterStartHook() failed, skipping test")
+            return
+
+        # This is a sample of configuration loading.
+        router_list = tgen.routers()
+
+        # For all registered routers, load the zebra configuration file
+        for rname, router in router_list.items():
+            logger.info("Setting up %s" % rname)
+            for rd_val in TopoRouter.RD:
+                config = os.path.join(
+                    self.testdir, "{}/{}.conf".format(rname, TopoRouter.RD[rd_val])
+                )
+                prog = os.path.join(tgen.net[rname].daemondir, TopoRouter.RD[rd_val])
+                if os.path.exists(config):
+                    if os.path.exists(prog):
+                        router.load_config(rd_val, config)
+                    else:
+                        logger.warning(
+                            "{} not found, but have {}.conf file".format(
+                                prog, TopoRouter.RD[rd_val]
+                            )
+                        )
+
+        # After loading the configurations, this function loads configured daemons.
+        logger.info("Starting routers")
+        tgen.start_router()
+        try:
+            self.poststarthooksuccess = customize.ltemplatePostRouterStartHook()
+        except AttributeError:
+            # not defined
+            logger.debug("ltemplatePostRouterStartHook() not defined")
+        luStart(baseScriptDir=self.scriptdir, baseLogDir=self.logdir, net=tgen.net)
+
+
+# initialized by ltemplate_start
+_lt = None
+
+
+def setup_module(mod):
+    global _lt
+    root = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))
+    test = mod.__name__[: mod.__name__.rfind(".")]
+    testdir = os.path.join(root, test)
+
+    # don't do this for now as reload didn't work as expected
+    # fixup sys.path, want test dir there only once
+    # try:
+    #    sys.path.remove(testdir)
+    # except ValueError:
+    #    logger.debug(testdir+" not found in original sys.path")
+    # add testdir
+    # sys.path.append(testdir)
+
+    # init class
+    _lt = LTemplate(test, testdir)
+    _lt.setup_module(mod)
+
+    # drop testdir
+    # sys.path.remove(testdir)
+
+
+def teardown_module(mod):
+    global _lt
+    "Teardown the pytest environment"
+    tgen = get_topogen()
+
+    if _lt != None and _lt.scriptdir != None and _lt.prestarthooksuccess == True:
+        luShowResults(logger.info)
+        print(luFinish())
+
+    # This function tears down the whole topology.
+    tgen.stop_topology()
+    _lt = None
+
+
+def ltemplateTest(
+    script, SkipIfFailed=True, CallOnFail=None, CheckFuncStr=None, KeepGoing=False
+):
+    global _lt
+    if _lt == None or _lt.prestarthooksuccess != True:
+        return
+
+    tgen = get_topogen()
+    if not os.path.isfile(script):
+        if not os.path.isfile(os.path.join(_lt.scriptdir, script)):
+            logger.error("Could not find script file: " + script)
+            assert "Could not find script file: " + script
+    logger.info("Starting template test: " + script)
+    numEntry = luNumFail()
+
+    if SkipIfFailed and tgen.routers_have_failure():
+        pytest.skip(tgen.errors)
+    if numEntry > 0:
+        if not KeepGoing:
+            pytest.skip("Have %d errors" % numEntry)
+
+    if CheckFuncStr != None:
+        check = eval(CheckFuncStr)
+        if check != True:
+            pytest.skip("Check function '" + CheckFuncStr + "' returned: " + check)
+
+    if CallOnFail != None:
+        CallOnFail = eval(CallOnFail)
+    luInclude(script, CallOnFail)
+    numFail = luNumFail() - numEntry
+    if numFail > 0:
+        luShowFail()
+        fatal_error = "%d tests failed" % numFail
+        if not KeepGoing:
+            assert (
+                "scripts/cleanup_all.py failed" == "See summary output above"
+            ), fatal_error
+
+
+# Memory leak test template
+def test_memory_leak():
+    "Run the memory leak test and report results."
+    tgen = get_topogen()
+    if not tgen.is_memleak_enabled():
+        pytest.skip("Memory leak test/report is disabled")
+
+    tgen.report_memory_leaks()
+
+
+class ltemplateRtrCmd:
+    def __init__(self):
+        self.resetCounts()
+
+    def doCmd(self, tgen, rtr, cmd, checkstr=None):
+        logger.info("doCmd: {} {}".format(rtr, cmd))
+        output = tgen.net[rtr].cmd(cmd).strip()
+        if len(output):
+            self.output += 1
+            if checkstr != None:
+                ret = re.search(checkstr, output)
+                if ret == None:
+                    self.nomatch += 1
+                else:
+                    self.match += 1
+                return ret
+            logger.info("output: " + output)
+        else:
+            logger.info("No output")
+            self.none += 1
+        return None
+
+    def resetCounts(self):
+        self.match = 0
+        self.nomatch = 0
+        self.output = 0
+        self.none = 0
+
+    def getMatch(self):
+        return self.match
+
+    def getNoMatch(self):
+        return self.nomatch
+
+    def getOutput(self):
+        return self.output
+
+    def getNone(self):
+        return self.none
+
+
+def ltemplateVersionCheck(
+    vstr, rname="r1", compstr="<", cli=False, kernel="4.9", iproute2=None, mpls=True
+):
+    tgen = get_topogen()
+    router = tgen.gears[rname]
+
+    if cli:
+        logger.info("calling mininet CLI")
+        tgen.mininet_cli()
+        logger.info("exited mininet CLI")
+
+    if _lt == None:
+        ret = "Template not initialized"
+        return ret
+
+    if _lt.prestarthooksuccess != True:
+        ret = "ltemplatePreRouterStartHook failed"
+        return ret
+
+    if _lt.poststarthooksuccess != True:
+        ret = "ltemplatePostRouterStartHook failed"
+        return ret
+
+    if mpls == True and tgen.hasmpls != True:
+        ret = "MPLS not initialized"
+        return ret
+
+    if kernel != None:
+        krel = platform.release()
+        if topotest.version_cmp(krel, kernel) < 0:
+            ret = "Skipping tests, old kernel ({} < {})".format(krel, kernel)
+            return ret
+
+    if iproute2 != None:
+        if _lt.iproute2Ver == None:
+            # collect/log info on iproute2
+            cc = ltemplateRtrCmd()
+            found = cc.doCmd(
+                tgen, rname, "apt-cache policy iproute2", r"Installed: ([\d\.]*)"
+            )
+            if found != None:
+                iproute2Ver = found.group(1)
+            else:
+                iproute2Ver = "0-unknown"
+            logger.info("Have iproute2 version=" + iproute2Ver)
+
+        if topotest.version_cmp(iproute2Ver, iproute2) < 0:
+            ret = "Skipping tests, old iproute2 ({} < {})".format(iproute2Ver, iproute2)
+            return ret
+
+    ret = True
+    try:
+        if router.has_version(compstr, vstr):
+            ret = "Skipping tests, old FRR version {} {}".format(compstr, vstr)
+            return ret
+    except:
+        ret = True
+
+    return ret
+
+
+# for testing
+if __name__ == "__main__":
+    args = ["-s"] + sys.argv[1:]
+    sys.exit(pytest.main(args))