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The reason we fork by default, is to force ssh to invoke
ssh-askpass when a password is required, rather than prompt on
a terminal no one is looking at. There's a more thorough
explanation here:
https://github.com/virt-manager/virt-manager/issues/731
With SSH_ASKPASS_REQUIRE=force, we now have a way to force ssh
to use askpass in the above scenario, when ssh and libvirt are new
enough.
The default forking behavior has caused maintenance pain in the
past, and is currently causing issues on macos:
https://github.com/virt-manager/virt-manager/issues/620
Let's flip the default to `--no-fork`. The VIRT_MANAGER_DEFAULT_FORK
env variable is there as an escape hatch incase I really miscalculated.
I don't expect many people are depending on use of askpass either
way, or if they are, they are launching virt-manager from their
desktop and not a terminal, which already gives us the correct
behavior AFAICT>
My suspicion is barely anyone will notice, which is why
I'm ok with changing this now, despite the libvirt support being
brand new.
If this doesn't raise any issues, then we can eventually drop
the forking behavior all together.
Signed-off-by: Cole Robinson <crobinso@redhat.com>
openssh 8.4p1 released in Sep 2020 finally added a feature
to force using SSH_ASKPASS instead of prompting on the commandline
for password, if a password would be required.
https://man.openbsd.org/ssh.1#SSH_ASKPASS_REQUIRE
Getting this behavior is basically what our whole fork dance is
about. Now we can do it with an environment variable
Let the user override it from the environment though, so there's
an escape hatch incase this causes unforseen problems
Signed-off-by: Cole Robinson <crobinso@redhat.com>
This is from when we used to support directly connecting to
serial console /dev/pty devices. Nowadays all serial connections
are mediated through libvirt stream APIs and we don't need to
care about SIGHUP
Signed-off-by: Cole Robinson <crobinso@redhat.com>
- Add UI coverage
- Drop redundant systray_instance caching
- Tweaks help test and docs
- Show an error if the systray doesn't embed
Signed-off-by: Cole Robinson <crobinso@redhat.com>
This is the first version that universally treats a None value as
bool False. Most recent code changes have been developed against this
version of pygobject, and several backwards incompatible None usages
have slipped in, and I suspect there's more lurking.
Signed-off-by: Cole Robinson <crobinso@redhat.com>
This is hiding useful stuff. It was enabled once upon a time because
it was too noisy but let's see if it gets bad like the past
Signed-off-by: Cole Robinson <crobinso@redhat.com>
Break it into disable-libguestfs, fake-systemd-success, and
firstrun-uri suboptions, and adjust using code to match
Signed-off-by: Cole Robinson <crobinso@redhat.com>
We need to wire up some craziness to make path permission
searching fail, but this is a critical area to get correct
so it is worth it
Signed-off-by: Cole Robinson <crobinso@redhat.com>
This will let us test some difficult code paths in the uitests.
Rework the `--test-options first-run` behavior to use a temporary
keyfile rather than the memory backend, to unify the code paths
Signed-off-by: Cole Robinson <crobinso@redhat.com>
This layout is closer to what most python modules have nowadays.
It also simplifies testing and static analysis setup.
Keep virt-* wrappers locally, for ease of running these commands
from a git checkout.
Adjust the wrapper binaries we install on via packaging to be
pure python, which makes things like running gdb easier.
Signed-off-by: Cole Robinson <crobinso@redhat.com>
