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If we run passt nested (a guest connected via passt to a guest
connected via passt to the host), the first guest (L1) typically has
two IPv6 addresses on the same interface: one formed from the prefix
assigned via SLAAC, and another one assigned via DHCPv6 (to match the
address on the host).
When we select addresses for comparison, in this case, we have
multiple global unicast addresses -- again, on the same interface.
Selecting the first reported one on both host and guest is not
entirely correct (in theory, the order might differ), but works
reasonably well.
Use the trick from 5beef085978e ("test: Only select a single
interface or gateway in tests") to ask jq(1) for the first address
returned by the query.
Signed-off-by: Stefano Brivio <sbrivio@redhat.com>
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In practical terms, passt doesn't benefit from the additional
protection offered by the AGPL over the GPL, because it's not
suitable to be executed over a computer network.
Further, restricting the distribution under the version 3 of the GPL
wouldn't provide any practical advantage either, as long as the passt
codebase is concerned, and might cause unnecessary compatibility
dilemmas.
Change licensing terms to the GNU General Public License Version 2,
or any later version, with written permission from all current and
past contributors, namely: myself, David Gibson, Laine Stump, Andrea
Bolognani, Paul Holzinger, Richard W.M. Jones, Chris Kuhn, Florian
Weimer, Giuseppe Scrivano, Stefan Hajnoczi, and Vasiliy Ulyanov.
Signed-off-by: Stefano Brivio <sbrivio@redhat.com>
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Many of our tests are based around performing transfers of sample data
across passt/pasta created links. The data flow here can be a bit
hard to follow since, e.g. we create a file transfer it to the guest,
then transfer it back to the host across several different tests.
This also means that the test cases aren't independent of each other.
Because we don't have the original file available at both ends in some
cases, we compare them by generating md5sums at each end and comparing
them, which is a bit complicated.
Make a number of changes to simplify this:
1. Pre-generate the sample data files as a test asset, rather than
building them on the fly during the tests proper
2. Include the sample data files in the mbuto guest image
3. Because we have good copies of the original data available in all
contexts, we can now simply use 'cmp' to check if the transfer
has worked, avoiding md5sum complications.
4. Similarly we can always use the original copy of the sample data
on the send side of each transfer, meaning that the tests become
more independent of each other.
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: Stefano Brivio <sbrivio@redhat.com>
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Because UDP is connectionless we don't have an in-built end-of-stream
signal for our connectivity tests. We work around this by explicitly
adding an end marker to our sample data and killing the listening end once
it is seen.
However, socat has some built-in options - null-eof and shut-null - which
can be used to signal the end of stream with a zero-length UDP packet.
Use these to simplify how the UDP tests are implemented.
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
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Instead of using the 'temp' and 'tempdir' DSL directives to create
temporary files, use fixed paths relative to __STATEDIR__. This has two
advantages:
1) The files are automatically cleaned up if the tests fail (and even if
that doesn't work they're easier to clean up manuall)
2) When debugging tests it's easier to figure out which of the temporary
files are relevant to whatever's going wrong
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
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In what looks like a copy/paste error, pasta/tcp generates its small test
file twice.
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
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For example, passt/dhcp rather than dhcp/passt. This is more
consistent with the two_guests and other test groups, and makes some
other cleanups simpler.
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
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