d0103a7c9d
- Add expected test results - Prepare testsuites for expected results Resolves: rhbz#2211063
73 lines
2.1 KiB
Diff
73 lines
2.1 KiB
Diff
From 8d25120581dfdac4585b471d0d0ed36ecf75c817 Mon Sep 17 00:00:00 2001
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From: Phil Sutter <phil@nwl.cc>
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Date: Wed, 11 Aug 2021 14:46:22 +0200
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Subject: [PATCH] iptables-test: Make netns spawning more robust
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On systems without unshare Python module, try to call unshare binary
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with oneself as parameters.
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Signed-off-by: Phil Sutter <phil@nwl.cc>
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(cherry picked from commit 7ae14dc1a938fc158aaa1761b4fba57c5f1ab7a0)
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---
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iptables-test.py | 30 ++++++++++++++++++++++++++++++
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1 file changed, 30 insertions(+)
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diff --git a/iptables-test.py b/iptables-test.py
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index 6b6eb611a7290..ffe5b1f7da972 100755
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--- a/iptables-test.py
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+++ b/iptables-test.py
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@@ -304,6 +304,31 @@ log_file = None
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print('\n'.join(missing))
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+def spawn_netns():
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+ # prefer unshare module
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+ try:
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+ import unshare
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+ unshare.unshare(unshare.CLONE_NEWNET)
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+ return True
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+ except:
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+ pass
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+
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+ # sledgehammer style:
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+ # - call ourselves prefixed by 'unshare -n' if found
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+ # - pass extra --no-netns parameter to avoid another recursion
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+ try:
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+ import shutil
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+
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+ unshare = shutil.which("unshare")
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+ if unshare is None:
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+ return False
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+
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+ sys.argv.append("--no-netns")
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+ os.execv(unshare, [unshare, "-n", sys.executable] + sys.argv)
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+ except:
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+ pass
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+
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+ return False
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#
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# main
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@@ -323,6 +348,8 @@ log_file = None
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help='Test iptables-over-nftables')
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parser.add_argument('-N', '--netns', action='store_true',
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help='Test netnamespace path')
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+ parser.add_argument('--no-netns', action='store_true',
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+ help='Do not run testsuite in own network namespace')
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args = parser.parse_args()
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#
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@@ -341,6 +368,9 @@ log_file = None
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print("You need to be root to run this, sorry")
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return
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+ if not args.netns and not args.no_netns and not spawn_netns():
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+ print("Cannot run in own namespace, connectivity might break")
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+
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if not args.host:
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os.putenv("XTABLES_LIBDIR", os.path.abspath(EXTENSIONS_PATH))
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os.putenv("PATH", "%s/iptables:%s" % (os.path.abspath(os.path.curdir),
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--
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2.40.0
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