passt/test/demo/podman, branch 2023_03_29.b10b983

test/demo: Avoid using port 5201 on the host

2022-09-23T22:07:18+00:00

That's the default port for iperf3, which also means that it's quite
likely in use on my test machine. Use different port numbers: recycle
the scheme we use in tests for passt and pasta's demo, use 5221-5224
(a bit shorter) for the slirp4netns container in Podman's demo.

Signed-off-by: Stefano Brivio

test: Use paths in STATEDIR instead of 'temp' and 'tempdir' directives

2022-09-13T09:12:41+00:00

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

contrib, test: Rebase Podman patch, enable three-way merge on git am in demo

2022-08-01T10:45:05+00:00

Given that a three-way git merge was enough to cope with context
changes in man pages, it's probably a good idea to enable that for
'git am' in the demo too.

Signed-off-by: Stefano Brivio

test: Actually use pasta in Podman demo step with HTTP service

2022-07-22T17:41:42+00:00

...instead of slirp4netns.

Signed-off-by: Stefano Brivio

test: Fix Podman build in Podman demo

2022-07-22T17:41:42+00:00

For some reason, I now have to update some "vendored" dependencies
on a fresh git clone, at least in my environment, before building.

Signed-off-by: Stefano Brivio

tests: Explicitly list test files in test/run, remove "onlyfor" support

2022-07-13T23:32:42+00:00

Currently test/run uses wildcards to run all of the tests in a directory.
However, that wildcard list is filtered down by the "onlyfor" directives
in the test files... usually to a single file.

Therefore, just explicitly list the files we *really* want to run for this
test mode.  This makes it easier to see at the top level what tests will
be executed, and to change that list temporarily while debugging specific
failures.

This means the "onlyfor" directive no longer has any purpose, and we can
remove it.  "onlyfor" was also the only used of the $MODE variable, so we
can remove that too.

Signed-off-by: David Gibson

Don't abbreviate ip(8) arguments in examples and tests

2022-06-15T07:38:10+00:00

ip(8)'s ability to take abbreviated arguments (e.g. "li sh" instead of
"link show") is very handy when using it interactively, but it doesn't make
for very readable scripts and examples when shown that way.

Signed-off-by: David Gibson

demo: podman: New port forwarding behaviour for pasta, minor fixes

2022-05-02T21:14:37+00:00

Reflect the recent changes in the Podman adaptation (no port
forwarding by default).

It turns out that by running two iperf3 processes, sometimes
slirp4netns blocks the second connection until the first test is
done, thus doubling the throughput. Use a single process for
slirp4netns with slirp4netns port handling.

Signed-off-by: Stefano Brivio

test: Add demo for Podman with pasta

2022-02-22T17:34:44+00:00

...showing setup steps, some peculiarities as --net option, and a
general side-to-side comparison with slirp4netns(1), including
"quick" TCP and UDP throughput and latency benchmarks.

Signed-off-by: Stefano Brivio