This PR adds libkrun support to podman machine. This is an experimental feature and should not be marketed yet. Before we unmark the experimental status on this function, we will need to have full CI support and a full podman point release has pased.
This work relies on the fact that vfkit and libkrun share a reasonably (if not perfectly) same API. The --log-level debug option will not show a GUI screen for boots as krun is not capable of this.
Signed-off-by: Brent Baude <bbaude@redhat.com>
Non-Linux systems, such as BSD kernels, constrain xatter updates
according to file permissions. This is in contrast to Linux selinux
attr writes, which are governed by an selinux policy. By dafault this
policy apllows users to relabel files owned by themselves even if file
perms would otherwise disallow write.
This results in robust container relabeling results on Linux, and
fragile results everywhere else. Therefore, change the mac policy to
force the nfs_t context on all files, and ignore all relabel
events.
As a side-effect, this will disallow any ability to store custom
selinux constants on files. However, this is of limited use in
a machine context, since files in these volumes are externally
managed on systems which do not support SELinux.
Signed-off-by: Jason T. Greene <jason.greene@redhat.com>
Previously, the locks were on the provider layer, which doesn't make a vm operation with a config file update atomic. Move them up a layer, so the entire function locks while doing provider and config operations.
This adds a Remove and a Set function to the shim layer.
[NO NEW TESTS NEEDED] Unsure how to test this
Signed-off-by: Ashley Cui <acui@redhat.com>
Remove TODO to swap `Rootful` in Inspect with `HostUser`
It is unnecessary to remove the vfkit logfile in the provider-specific Remove function. Vfkit is fed the default logfile provided by mc.LogFile which is removed by the generic Remove function.
Removes TODO regarding moving the location of Stop. False TODO.
[NO NEW TESTS NEEDED]
Signed-off-by: Jake Correnti <jakecorrenti+github@proton.me>
Moving from Go module v4 to v5 prepares us for public releases.
Move done using gomove [1] as with the v3 and v4 moves.
[1] https://github.com/KSubedi/gomove
Signed-off-by: Matt Heon <mheon@redhat.com>
gz by definition is not able to preserve the sparse nature of files. using some code from the crc project and gluing it together with our decompression code, we can re-create the sparseness of a file. one downside is the operation is a little bit slower, but i think the gains from the sparse file are well worth it in IO alone.
there are a number of todo's in this PR that would be ripe for quick hitting fixes.
[NO NEW TESTS NEEDED]
Signed-off-by: Brent Baude <baude@redhat.com>
this is the second provider done (qemu first). all tests pass on arm64 hardware locally ... the hybrid pull from oci registries limit this to arm64 only.
calling gvproxy, waiting for it, and then vfkit seems to still be problematic. this would be an area that should be cleaned up once all providers are implemented.
Signed-off-by: Brent Baude <bbaude@redhat.com>
The following PR is the leading PR for refactoring podman machine with
the following goals:
* less duplication/more re-use
* common configuration file between providers
* more consistentency in how machines are handled by providers
The goal of this PR is the rough refactor. There are still rough spots
for sure, specifically around the podman socket and pipe. This
implemention is only for Linux. All other providers are still present
but will not compile or work. This is why tests for them have been
temporarily suspended.
The ready socket code is another area that needs to be smoothed over.
Right now, the ready socket code is still in QEMU. Preferably it would
be moved to a generic spot where all three approaches to readiness
socket use can be defined.
It should also be noted:
* all machine related tests pass.
* make validate for Linux passes
* Apple QEMU was largely removed
* More code pruning is possible; will become clearer when other
providers are complete.
the dir pkg/machine/p5 is not permanent. i had to seperate this from
machine initially due to circular import problems. i think when all
providers are done (or nearly done), it can be placed and named
properly.
Signed-off-by: Brent Baude <bbaude@redhat.com>
this is a logical place to get changes upstream before they grow out of
control. this pr is the first in an effort to deduplicate machine code
and streamline code flow.
a lot of code is simply moved to eliminate circular imports. names and
specific paths can ultimately be changed. i dont like some of the
descriptive interface names, etc. ultimately, i think once we have the
"old" code sanitized, we can re-use some of those.
clearly some of what is in here is temporary and will either be deleted,
changed, or moved again as this effort comes to a close.
right now, the machine code does not use any of the "new" code. you
will see in `init` and `rm` some commented out code that hooks it. i'm
afraid things will get worse before they get better (way worse).
[NO NEW TESTS NEEDED]
Signed-off-by: Brent Baude <bbaude@redhat.com>
While this is potentially a security problem, it solves the issues of
users sharing content from the host into containers and attempting to
relabel it. From a security point of view this means all content volume
mounted from the host into the podman machine on apple hypervisor is
read/write from an SELinux point of view if it is volume mounted into
the container. If the user attempts to use :Z or :z it will work and
relabel the content to be only usable bu the specify container.
Helps Fix: https://github.com/containers/podman/issues/21269
Signed-off-by: Daniel J Walsh <dwalsh@redhat.com>
`getRuntimeDir()` (which is also responsible for creating TMPDIR if it doesn't exist) was being called on `Init()` but not on `Start()` which meant that after the host was restarted and TMPDIR was wiped, `startHostNetworking()` would try to start gvproxy and immediately bail.
Signed-off-by: kaorihinata <kaori.hinata@gmail.com>
The remote user functionality was not quite correct. This PR breaks out
the accumulation of user descriptions into a separate function. One
odditiy is ignition must be told to NOT create the core user (or it will
by default) by "adding" the core user with a set bool.
[NO NEW TESTS NEEDED]
Signed-off-by: Brent Baude <bbaude@redhat.com>
When starting podman machine with applehv, this warning is printed:
WARN[0025] API socket failed ping test
This is due to a bug in applehv.setupAPIForwarding which is not
returning the path to the socket, which causes `WaitAndPingAPI` to be
called with `""` as the socket path, triggering the warning.
This commit changes setupAPIForwarding to be similar to the
implementation in the other machine implementations.
I don't know how to add a test for this, but this can be handled in
podman-machine end to end tests by making sure that there are no
warnings when running `podman machine start` with applehv.
[NO NEW TESTS NEEDED]
Signed-off-by: Christophe Fergeau <cfergeau@redhat.com>
`applehv.Start()` has this line of code:
```
cmd.ExtraFiles = []*os.File{ioEater, ioEater, ioEater}
```
whose purpose is not clear.
The intent may have been to redirect stdin/stdout/stderr to /dev/null in
the child process.
This should be done by setting cmd.Stdin/cmd.Stdout/cmd/Stderr to nil,
which is the case by default.
The way it's done could also cause issues as
`Vfkit.VirtualMachine.Cmd()` sometimes adds files it needs to keep open
to `ExtraFiles`, so at the very least this should be an `append()`
This commit removes this code.
[NO NEW TESTS NEEDED]
Signed-off-by: Christophe Fergeau <cfergeau@redhat.com>
LastUp now correctly reports the lastUp time for podman machine on
AppleHV, for both inspect and list.
[NO NEW TESTS NEEDED]
since this fixes an existing failing test.
Signed-off-by: Ashley Cui <acui@redhat.com>
Previously, every machine created using appleHV interacted with VFKit using port 8081. This meant that if multiple machines existed on the machine, starting one would start all the machines. This patch assigns a separate random port for each machine, so machine commands interact with just the specified machine.
Signed-off-by: Ashley Cui <acui@redhat.com>
Fixes a bug where a user would be unable to change
a rootless machine to rootful. Also makes sure that
the podman/docker socket service is updated if the
UID or Rootful status of the host user has been
updated.
[NO NEW TESTS NEEDED]
Fixes: #21195
Signed-off-by: Jake Correnti <jakecorrenti+github@proton.me>
We shouldn't hardcode `~/.local` - we should use the internal
config helper APIs which honor the XDG_DATA_DIR etc. standard
environment variables.
Signed-off-by: Colin Walters <walters@verbum.org>
Fixes a bug where if a machine failed during init due to a bad ignition path, it would not be properly torn down.
Signed-off-by: Jake Correnti <jakecorrenti+github@proton.me>
Changes SSH key behavior such that there is a single persisted key for all
machines across all providers. If there is no key that is located at
`.local/share/containers/podman/machine/` then it is created. The keys are
not deleted when the last machine on the host is removed.
The main motivation for this change is it leads to fewer files created on the
host as a result of vm configuration. Having `n` machines on your system doesn't
result in `2n` machine-related files in `.ssh` on your system anymore.
As a result of ssh keys being persisted by default, the `--save-keys` flag
on `podman machine rm` will no longer be supported.
Signed-off-by: Jake Correnti <jakecorrenti+github@proton.me>
Uses the systemd unit file parser to build unit files instead of having
them be just blocks of hard-coded strings.
Signed-off-by: Jake Correnti <jakecorrenti+github@proton.me>
Moves all of the ignitionfiles out of the `machine` package and into
its own called `ignition`. This required `VMType` to get moved out of
the `machine` package and into the `define` package in order to prevent
a circular dependency.
Signed-off-by: Jake Correnti <jakecorrenti+github@proton.me>
The following PR is the very first step in what will a series of steps
to apply a "common" machine configuration file to all providers.
Function names, method names, struct names, and field names are all up
for debate. The purpose of this PR is to offer a glimpse at the
direction we intend to take.
This PR also contains temporary structs (i.e. aThing) that are not
exported. These are merely placeholders.
The configuration work in this PR is also unused of yet. But the code
is compiled. Once merged, we can begin the next step of development.
[NO NEW TESTS NEEDED]
Signed-off-by: Brent Baude <bbaude@redhat.com>
If gvproxy or vfkit exit we can error right away, so while we wait for
the socket to get ready we also keep checking the process status with
wait4() and WNOHANG so it does not block forever.
This is completely untested as I do not have acces to apple machine.
Signed-off-by: Paul Holzinger <pholzing@redhat.com>
<MH: Added no new tests needed to pass CI>
[NO NEW TESTS NEEDED]
Signed-off-by: Matt Heon <mheon@redhat.com>
Fixes nits that were suggested in #20420. The caller of
`ListenAndWaitOnSocket` did not use the value returned by the conn
channel, therefore it was better to just close the conn in the
`ListenAndWaitOnSocket` function instead.
[NO NEW TESTS NEEDED]
Signed-off-by: Jake Correnti <jakecorrenti+github@proton.me>
QEMU usb-host driver which is the one for passthrough, supports two
options for selecting an USB devices in the host to provide it to the
VM:
- Bus and Device number the device is plugged
- Vendor and Product information of the USB devices
https://qemu-project.gitlab.io/qemu/system/devices/usb.html
This commit allows a user to configure podman machine with either of
options, with new --usb command line option for podman machine init.
Examples
podman machine init tosovm4 --usb vendor=13d3,product=5406
podman machine init tosovm3 --usb bus=1,devnum=4 --usb bus=1,devnum=3
This commit also allows a user to change the USBs configured with
--usb command line option for podman machine set.
Note that this commit does not handle host device permissions nor
verify that the USB devices exists.
Signed-off-by: Victor Toso <victortoso@redhat.com>
Creates a common SetIgnitionFile function in pkg/machine/ignition.go which
creates the new VMFile that will represent the machine's ignition file. It
assigns the VMFile to the provided location.
Creates an IgnitionBuilder type to generate the ignition configuration for a
given virt provider.
[NO NEW TESTS NEEDED]
Signed-off-by: Jake Correnti <jakecorrenti+github@proton.me>
In #20538, I was asked to consider refactoring the new OCI pull code
from within the generic machine directory. This is something I had
tried when originally coding it but it became apparent that a much
larger refactor to prevent circular deps was needed. Because I did not
want to pollute the initial PR with that refactor, I asked for the PR to
merge first. This is the refactor that needed to be done.
Signed-off-by: Brent Baude <bbaude@redhat.com>
FCOS has a security limitation where new directories cannot be added to the root / directory of its filesystem. This PR uses the work-around discussed in https://github.com/coreos/rpm-ostree/issues/337#issuecomment-1000923022 to temporarily disable the limitation, perform the mkdir, and then re-enable the limitation.
This PR allows mounts on the applehv to actually work.
[NO NEW TESTS NEEDED]
Signed-off-by: Brent Baude <bbaude@redhat.com>
Refactors machine socket mapping to prevent using similar/the same code
paths. Moves the shared code to `pkg/machine/sockets.go`.
[NO NEW TESTS NEEDED]
Signed-off-by: Jake Correnti <jakecorrenti+github@proton.me>
In the unusual case where the `runtimeDir` is not already created, we
should do so on `machine init`.
When starting gvproxy from podman, we now ensure it is running (for
applehv) but waiting for the unixgram socket to appear in the filesystem
before moving on.
[NO NEW TESTS NEEDED]
Signed-off-by: Brent Baude <bbaude@redhat.com>
In applehv, we were not killing gvproxy when stopping via podman machine rm with force.
[NO NEW TESTS NEEDED]
Signed-off-by: Brent Baude <bbaude@redhat.com>
Implements a shared `GetLock` function for virtualization providers. Returns
a pointer to a lockfile used for serializing write operations.
[NO NEW TESTS NEEDED]
Signed-off-by: Jake Correnti <jakecorrenti+github@proton.me>
If init fails, or if a SIGINT is sent during init, podman machine should remove all files and configs
created during the init. This includes config jsons, image files, ssh
id's, and system connections. On Windows, the VM instances are also
unregistered.
Signed-off-by: Ashley Cui <acui@redhat.com>
