| Commit message (Collapse) | Author | Age | Files | Lines |
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The "valgrind" test cases are designed to pick up errors reported when
passt is running under valgrind. But what it actually does is just kill
the passt process, then see if it had a non-zero exit code. That means it
will equally well pick up any other problems which caused passt to exit
with an error status: either something detected within passt or as a result
of passt being killed by an unexpected signal.
The fact that the "valgrind" test is actually responsible for shutting down
the passt process is non-obvious and can lead to problems when selectively
running tests during debugging.
Rename the "valgrind" tests to "shutdown" tests and run it regardless of
whether we're using valgrind or not. This allows us to remove an ugly
speacial case in the passt_in_ns teardown code.
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
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The queries we use in the test scripts to locate the external interface
or gateway can return multiple results. We get away with this because the
way we parse command output only looks at the last line. It's not really
correct, though, and improvements to our handling of command output will
mean it breaks.
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
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Currently the build tests and distro tests share a common setup function.
That works for now, but changes we want to make will mean they need
slightly different setup, so split the setup functions in preparation.
Currently, neither build nor distro tests have any teardown function.
Again, future changes are going to mean we need to do some teardown, so
create some empty for now teardown functions in preparation.
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
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When recording tests or demos with asciinema we generate several temporary
files during post-processing. Add these to the .gitignore file so they're
not accidentally comitted.
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
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The DEMO_XTERM and CI_XTERM variables defined in test/lib/term aren't used
anywhere. Remove them.
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
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Both clang-tidy and cppcheck linting are handled by the same test file,
test/build/static_checkers. The two linters are independent of each other
though, and each one takes quite a long time. Split them into separate
files to make it easier to control which are executed from the top level
test script.
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
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We've recently converted most of our tests to use socat instead of
nc/netcat/ncat, because socat is more powerful and we don't need to deal
with the several possible variants of netcat.
We still use nc or ncat for the distro tests. Because there we control
the guest environment and can pick our tools, there isn't the same reason
to switch to socat. However, using socat here as well makes the tests
a bit easier to read, and doesn't require people reading or modifying them
to become familiar with an additional tool.
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
[sbrivio: keep using netcat-openbsd in Ubuntu 16.04 ppc64 test, as socat
is unavailable there]
Signed-off-by: Stefano Brivio <sbrivio@redhat.com>
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If the man pages are not compressed, the current wildcards wouldn't
match them. Drop the trailing '.' from them.
Reported-by: Artur Frenszek-Iwicki <fedora@svgames.pl>
Signed-off-by: Stefano Brivio <sbrivio@redhat.com>
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This will also set any distribution-specific LDFLAGS. It's not needed
anymore starting from Fedora 36, but the package might be built on
other versions and distributions too (including e.g. CentOS Stream 8).
Reported-by: Artur Frenszek-Iwicki <fedora@svgames.pl>
Signed-off-by: Stefano Brivio <sbrivio@redhat.com>
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Otherwise, passt-selinux will be built separately for each supported
architecture.
Suggested-by: Artur Frenszek-Iwicki <fedora@svgames.pl>
Signed-off-by: Stefano Brivio <sbrivio@redhat.com>
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This is required as Fedora doesn't accept a temporary pointer to
a source URL.
Reported-by: Ralf Corsepius <rc040203@freenet.de>
Reported-by: Artur Frenszek-Iwicki <fedora@svgames.pl>
Signed-off-by: Stefano Brivio <sbrivio@redhat.com>
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It seems to be exposed by Koji (https://pagure.io/koji/issue/2541),
but it's not actually in use, so we have to drop that. The website
the URL tag points to reports all the needed information anyway.
Reported-by: Artur Frenszek-Iwicki <fedora@svgames.pl>
Signed-off-by: Stefano Brivio <sbrivio@redhat.com>
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...as specified by the Fedora Packaging Guidelines:
https://docs.fedoraproject.org/en-US/packaging-guidelines/Versioning/#_simple_versioning
Reported-by: Artur Frenszek-Iwicki <fedora@svgames.pl>
Signed-off-by: Stefano Brivio <sbrivio@redhat.com>
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git_dir_changelog is useful in theory, but it requires pairs of
annotated tags, which should be generated by rpkg itself to make any
sense, implying a relatively heavyweight interaction whenever I want
to push a new package version.
Also, the default content of the changelog entries include the full
list of changes, but the Fedora Packaging Guidelines specifically
mention that:
[t]hey must never simply contain an entire copy of the source
CHANGELOG entries.
We don't have a CHANGELOG file, but the full git history is
conceptually equivalent for this purpose, I guess.
Introduce our own passt_git_changelog() rpkg macro, building
changelog entries, using tags in the form DATE-SHA, where DATE
is an ISO 8601 date representation, and SHA is a short (7-digits)
form of the head commit at a given moment (git push).
These changelog entries mention, specifically, changes to the
packaging information itself (entries under contrib/fedora), and
simply report a link to cgit for the ranges between tags.
Reported-by: Benson Muite <benson_muite@emailplus.org>
Signed-off-by: Stefano Brivio <sbrivio@redhat.com>
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Suggested-by: Benson Muite <benson_muite@emailplus.org>
Signed-off-by: Stefano Brivio <sbrivio@redhat.com>
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Suggested-by: Benson Muite <benson_muite@emailplus.org>
Signed-off-by: Stefano Brivio <sbrivio@redhat.com>
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Distribution packages reasonably expect to have a human-readable
Markdown version of the README under /usr/share/doc/, but all we have
right now is a heavily web-oriented version.
Introduce a ugly hack to strip web-oriented parts from the current
README and install it.
It should probably work the other way around: a human-readable README
could be used as a source for the web page. But cgit needs a file
that's in the tree, not something that can be built, and
https://passt.top/ is based on cgit. It should eventually be doable
to work around this in cgit, instead.
Reported-by: Benson Muite <benson_muite@emailplus.org>
Signed-off-by: Stefano Brivio <sbrivio@redhat.com>
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These have packages covering all recent versions of CentOS Stream,
EPEL, Fedora, Mageia and OpenSUSE Tumbleweed.
Signed-off-by: Stefano Brivio <sbrivio@redhat.com>
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The original demo script was written when pasta wasn't a thing yet,
so it needed to run as root, set up a veth pair, and configure
addresses and routes by itself.
Now pasta can do all that for us, and become part of the demo as
well.
Further, extend it to start qemu, optionally preparing a basic demo
image with mbuto (https://mbuto.sh), and execute one logical step at
a time, for clarity.
Signed-off-by: Stefano Brivio <sbrivio@redhat.com>
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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 <sbrivio@redhat.com>
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Reflect the changes from commit 4b2e018d70f3 ("Allow different
external interfaces for IPv4 and IPv6 connectivity") into the manual.
Signed-off-by: Stefano Brivio <sbrivio@redhat.com>
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The context structure contains a batch of fields specific to IPv4 and to
IPv6 connectivity. Split those out into a sub-structure.
This allows the conf_ip4() and conf_ip6() functions, which take the
entire context but touch very little of it, to be given more specific
parameters, making it clearer what it affects without stepping through the
code.
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
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After recent changes, conf_ip() now has essentially entirely disjoint paths
for IPv4 and IPv6 configuration. So, it's cleaner to split them out into
different functions conf_ip4() and conf_ip6().
Splitting these out also lets us make the interface a bit nicer, having
them return success or failure directly, rather than manipulating c->v4
and c->v6 to indicate success/failure of the two versions.
Since these functions may also initialize the interface index for each
protocol, it turns out we can then drop c->v4 and c->v6 entirely, replacing
tests on those with tests on whether c->ifi4 or c->ifi6 is non-zero (since
a 0 interface index is never valid).
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
[sbrivio: Whitespace fixes]
Signed-off-by: Stefano Brivio <sbrivio@redhat.com>
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The v4 and v6 fields of the context structure can be confusing, because
they change meaning part way through the code: Before conf_ip(), they are
booleans which indicate whether the -4 or -6 options have been given.
After conf_ip() they are DISABLED|ENABLED|PROBE enums which indicate
whether the IP version is available (which means both that it was allowed
on the command line and we were able to configure it). The PROBE variant
of the enum is only used locally within conf_ip() and since recent changes
there it no longer has a real purpose different from ENABLED.
Simplify this all by making the context fields always just a boolean
indicating the availability of the IP version. They both default to 1, but
can be set to 0 by either command line options or configuration failures.
We use some local variables in conf() for tracking the state of the command
line options on their own.
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
[sbrivio: Minor coding style fix in conf.c]
Signed-off-by: Stefano Brivio <sbrivio@redhat.com>
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In pasta mode, the guest's MAC address is set up in pasta_ns_cobf() called
from tap_sock_tun_init(). If we have a guest MAC configured with
--ns-mac-addr, this will set the given MAC on the kernel tuntap device, or
if we haven't configured one it will update our record of the guest MAC to
the kernel assigned one from the device.
For passt, we don't initially know the guest's MAC until we receive packets
from it, so we have to initially use a broadcast address. This is - oddly
- set up in an entirely different place, in conf_ip() conditional on the
mode.
Move it to the logically matching place for passt - tap_sock_unix_init().
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
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When sending packets to the guest we need a source MAC address, which we
currently take from the host side interface we're using (though it's
basically arbitrary). However if not given on the command line this MAC
is initialized in an IPv4 specific path, and will end up as
00:00:00:00:00:00 when running "passt 6". The MAC address is also used
for IPv6 packets, though.
Interestingly, we largely seem to get away with using an all-zero MAC, but
it's probably not a good idea. Make the IPv6 path pick the MAC address
from its interface if the IPv4 path hasn't already done so.
While we're there, use the existing MAC_IS_ZERO macro to make the code a
little clearer.
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
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Now that the back end allows passt/pasta to use different external
interfaces for IPv4 and IPv6, use that to do the right thing in the case
that the host has IPv4 and IPv6 connectivity via different interfaces.
If the user hasn't explicitly chosen an interface, separately search for
a suitable external interface for each protocol.
As a bonus, this substantially simplifies the external interface probe. It
also eliminates a subtle confusing case where in some circumstances we
would pick the first interface in interface index order, and sometimes in
order of routes returned from netlink. On some network configurations that
could cause tests to fail, because the logic in the tests was subtly
different (it always used route order).
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
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By default, passt itself attaches to the first host interface with a
default route. However, when determining the host interface name the tests
implicitly select the *last* host interface: they use a jq expression which
will list all interfaces with default routes, but the way output detection
works in the scripts, it will only pick up the last line.
If there are multiple interfaces with default routes on the host, and they
each have a different address, this can cause spurious test failures.
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
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It's quite plausible for a host to have both IPv4 and IPv6 connectivity,
but only via different interfaces. For example, this will happen in the
case that IPv6 connectivity is via a tunnel (e.g. 6in4 or 6rd). It would
also happen in the case that IPv4 access is via a tunnel on an otherwise
IPv6 only local network, which is a setup that might become more common in
the post IPv4 address exhaustion world.
In turns out there's no real need for passt/pasta to get its IPv4 and IPv6
connectivity via the same interface, so we can handle this situation fairly
easily. Change the core to allow eparate external interfaces for IPv4 and
IPv6. We don't actually set these separately for now.
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
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A couple of days ago, we started running out of space there as we're
about to install gcc -- about 50 MiB are missing.
Given that virt-resize (which could be conveniently invoked by the
Makefile for tests) reorders partitions if we expand the first one,
resize the image using qemu-img from the test script itself, and then
take care of expanding root partition and filesystem online later.
This is probably a temporary hack, so I'm not looking for a more
generic or elegant solution at the moment.
Signed-off-by: Stefano Brivio <sbrivio@redhat.com>
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Otherwise, if the current PID has fewer digits than a previously
written one, the content will be wrong.
Signed-off-by: Stefano Brivio <sbrivio@redhat.com>
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For some reason using https to clone from the passt git repo is very slow,
at least from network-distant places. Use git protocol in the demo instead
to avoid a tedious wait to get the source.
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
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With pasta, the namespace interface name is generally the same as the host
interface name. We already rely on this in the dhcp/pasta tests, but for
no clear reason ndp/pasta separately determines the host interface name.
Remove this unnecessary step.
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
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The iperf based test commands create a bunch of .bw and .pid files for
each iperf client and server. The server side .bw files are cleaned
up afterwards, but the pid files are not, and none of the client side
files are cleaned up. The latter doesn't really matter when the
client is run on ephemeral guests, but sometimes we run it in a
namespace that shares the filesystem with the host.
Clean up all of these files after the tests.
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
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Before starting the guests, these tests configure addresses in a pasta
namespace using dhclient. However, because it's a user namespace, it's
not running as "real" root and can't write to the dhclient pid file.
This doesn't stop it working, but causes an ugly error message which we
can avoid by using the --no-pid option.
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
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All the UDP tests use :> to truncate some temporary data files. This
appears to be so that they're empty before writing data to them with tee.
However tee, by default, truncates its output file anyway (you need tee -a
to append). So drop the unnecessary truncations.
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
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teardown_passt_in_ns() sends a ^D to the NS pane, which appears to be
intended to terminate the nsenter running there, leaving the namespace.
However, we've also sent a ^D to the PASST pane which will exit the pasta
instance which created the namespace. With the namespace destroyed the
nsenter in the NS pane will be killed, so it does not need to be exited
explicitly.
In fact sending the extra ^D can be harmful, since it will exit the shell
in which the nsenter was run, causing the whole pane to be closed. That
can then mean that the "pane_wait NS" hangs indefinitely. I believe this
will sometimes work, because there's a race between the various options
here, but it should be more reliable without the extra ^D.
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
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Commit 41c02e10 ("tests: Use nmap-ncat instead of openbsd netcat for pasta
tests") updated the pasta tests to use the nmap version of ncat instead of
the openbsd version, for greater portability.
For some upcoming changes, however, we'll be wanting to use socat.
"socat" can do everything "ncat" can and more, so let's move all the
tests using host tools (either directly on the host or via mbuto
generated images) to using socat instead.
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
[sbrivio: Fix a typo in port specification, 31337 instead of x31337]
Signed-off-by: Stefano Brivio <sbrivio@redhat.com>
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Some versions of valgrind (such as the version on my Fedora laptop -
valgrind-3.19.0-3.fc36.x86_64) use futexes. But futex is currently not
allowed in the seccomp filter, even with the extra calls added for
valgrind builds. Add it, to avoid spurious valgrind failures.
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
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In what looks like a copy-and-paste error from the TCP script, the
udp/passt test script creates a test file called '__TEMP_BIG__', while
the commands it use the variable __TEMP__. Correct this so that a) we
actually transfer the data we created for the purpose and b) we don't
leave a stale __TEMP_BIG__ file in the current directory.
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
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The dhcp/passt and dhcp/passt_in_ns tests at least, and maybe others
use 'hout' commands that need to be able to detect empty output.
However, we don't set PS1, which means the screen-scraping logic which
detects this may not be reliable. In addition, if the host is using a
recent bash, it will have bracketed paste mode enabled which will also
add escape codes which will mess up the empty output detection.
Set the prompt and disable bracketed paste mode from the passt and
passt_in_ns setups to avoid these problems.
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
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Currently our small custom dhclient-script only handles the 'domain-name'
option, which can just list a single domain, not the 'domain-search'
option, which can handle several. Correct it to handle both.
We also weren't emptying the resolv.conf file before we began, which
could lead to surprising contents after multiple DHCP transactions.
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
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We previously introduced a change to passt to handle the case where the
host machine is its own nameserver - so resolv.conf points to 127.0.0.1.
In this case we advertize the gateway as the DNS server for the guest,
which in turn will be redirected back to the host by existing passt logic.
The dhcp/passt doesn't handle this case correctly, so add some logic to
account for it.
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
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To check publishing of DNS information via DHCP, we need to extract a list
of nameservers and/or search domains from resolv.conf in the test script.
The current version (usually) leaves the result with a trailing ','.
That's usually ok because it happens on both guest and host sides. However
it's kind of confusing, and might stop working if the host had a
resolv.conf without a trailing \n on the last line. It also makes some
later changes we'll need more difficult.
So, normalize the output from resolv.conf a bit further, removing any
trailing ','. It turns out we can do this with a slightly less complex
sed expression than the one we already have.
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
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Although it can operate without them, dhclient can issue errors if it
doesn't have /var/run to write a pid file and /var/lib to write a leases
file. Create those in mbuto.img to stop it complaining.
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
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We now supply a minimal dhclient-script of our own in the mbuto boot image.
There are some problems with it, so add some basic logging to help debug
it.
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
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Modern Fedora (and RHEL) systems have /sbin as a symlink to /usr/sbin
(along with a number of similar links). Along with that it expects to
find dhclient-script in /usr/sbin/dhclient-script rather than
/sbin/dhclient-script.
Link them together in our mbuto image so that the Fedora build of dhclient
can find it.
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
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AFAICT the symlink we created in mbuto from /usr/bin/bash to /bin/sh was
for the benefit of a dhclient-script which used /usr/bin/bash as its
interpreter (e.g. in Fedora). That was a bit risky if the script really
did require bash and we linked it to dash or another shell.
We now supply our own custom dhclient-script, so we don't need the
link any more.
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
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Similar case as the one fixed by David's patch "tests: Remove
unnecessary ^D in passt_in_ns teardown": we happen to pseudo-randomly
close panes by unnecessarily exiting the parent shells there, and
subsequent pane_wait directives hang.
Signed-off-by: Stefano Brivio <sbrivio@redhat.com>
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...instead of slirp4netns.
Signed-off-by: Stefano Brivio <sbrivio@redhat.com>
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