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and the associated parts for 'qm start'.
Each test will first populate the MigrationTest/run directory
with the relevant configuration files and files keeping track of the
state of everything necessary. Second, the mock-script for migration
is executed, which in turn will execute the 'qm start' mock-script
(if it's an online test that gets far enough). The scripts will simulate
a migration and update the relevant files in the MigrationTest/run directory.
Finally, the main test script will evaluate the state.
The main checks are the volume IDs on the source and target and the VM
configuration itself. Additional checks are the vm_status and expected_calls,
keeping track if certain calls have been made.
The rationale behind creating two mock-scripts is two-fold:
1. It removes the need to hard code responses for the tunnel
and to recycle logic for determining and allocating migration volumes.
Some of that logic already happens in the API part, so it was necessary
to mock the whole CLI-Handler.
2. It allows testing the code relevant for migration in 'qm start' as well,
and it should even be possible to test different versions of the
mock-scripts against each other. With a bit of extra work and things
like 'git worktree', it might even be possible to automate this.
The helper get_patched config is useful to change pre-defined configuration
files on the fly, avoiding the new to explicitly define whole configurations to
test for something in many cases.
Signed-off-by: Fabian Ebner <f.ebner@proxmox.com>
by partially reverting 4df98f2f14348d0ed57529c4c04a1b5ffb840055 and fixing the
line-length issue differently. The commit didn't update two later usages of
$size, breaking copying the efidisk. The other usage as a parameter to
qemu_img_convert() is luckily only cosmetic, for progress output.
Signed-off-by: Fabian Ebner <f.ebner@proxmox.com>
this fixes the issue that we did not generate the correct repository
url for pbs storages that contained an ipv6 address or a port
Signed-off-by: Dominik Csapak <d.csapak@proxmox.com>
if one would try to use -v in a systemd service, systemd would disable
line buffering for stdout and no output would happen (until the buffer
is full)
Signed-off-by: Dominik Csapak <d.csapak@proxmox.com>
showing off it's monstrosity of a method signature, needs to be
cleaned up in a followup commit
Signed-off-by: Thomas Lamprecht <t.lamprecht@proxmox.com>
Extends print_recursive_hash for the CLI to handle JSON booleans so the
result will actually show up in 'qm status --verbose'.
Signed-off-by: Stefan Reiter <s.reiter@proxmox.com>
Offline migrated volumes are now activated within storage_migrate.
Online migrated volumes can be assumed to be already active.
Signed-off-by: Fabian Ebner <f.ebner@proxmox.com>
while it didn't actually fail, we probably want to avoid the behavior:
With remove_job=full:
* run_replication called during migration causes the replicated volumes to
be removed
* migration continues by fully copying all volumes
With remove_job=local:
* run_replication called during migration causes the job (and local
replication snapshots) to be removed
* migration continues by fully copying all volumes and renaming them to
avoid collision with the still existing remote volumes
Signed-off-by: Fabian Ebner <f.ebner@proxmox.com>
In some cases $self->{replicated_volumes} will be auto-vivified
to {} by checks like
next if $self->{replicated_volumes}->{$volid}
and then {} would evaluate to true in a boolean context.
Now the replication information is retrieved once in prepare,
and used to decide whether to make the calls or not.
Signed-off-by: Fabian Ebner <f.ebner@proxmox.com>
No need to warn twice, so the warning from the outside check
was removed.
Suggested-by: Fabian Grünbichler <f.gruenbichler@proxmox.com>
Signed-off-by: Fabian Ebner <f.ebner@proxmox.com>
When the VM is in status 'shutdown', i.e. after the guest issues a
powerdown while a backup is running, QEMU requires a 'system_reset' to
be issued before 'cont' can boot the guest again.
Additionally, when the VM has been powered down during a backup, the
logically correct call would be a 'vm_start', so automatically vm_resume
from vm_start in case this situation occurs. This also means the GUI can
cope with this almost unchanged.
Signed-off-by: Stefan Reiter <s.reiter@proxmox.com>
Ignore shutdowns triggered from within the guest in favor of detecting
them via qmeventd and stopping the QEMU process that way.
Signed-off-by: Stefan Reiter <s.reiter@proxmox.com>
Now that VMs can be started during a backup, it makes sense to create a
dirty bitmap in these cases too, since the VM might be resumed and thus
continue running normally even after the backup is done.
Signed-off-by: Stefan Reiter <s.reiter@proxmox.com>
Connect and send the vmid of the VM being backed up. This prevents
qmeventd from SIGTERMing the underlying QEMU instance, even if the guest
shuts itself down, until we close the socket connection (in cleanup,
which happens on success and abort, or if we crash the file handle will
be closed as well).
Signed-off-by: Stefan Reiter <s.reiter@proxmox.com>
'alarm' is used to schedule an additionaly cleanup round 5 seconds after
sending SIGTERM via terminate_client. This then sends SIGKILL via a
pidfd (if supported by the kernel) or directly via kill, making sure
that the QEMU process is *really* dead and won't be left behind in an
undetermined state.
This shouldn't be an issue under normal circumstances, but can help
avoid dead processes lying around if QEMU hangs after SIGTERM.
Signed-off-by: Stefan Reiter <s.reiter@proxmox.com>
We take care of killing QEMU processes when a guest shuts down manually.
QEMU will not exit itself, if started with -no-shutdown, but it will
still emit a "SHUTDOWN" event, which we await and then send SIGTERM.
This additionally allows us to handle backups in such situations. A
vzdump instance will connect to our socket and identify itself as such
in the handshake, sending along a VMID which will be marked as backing
up until the file handle is closed.
When a SHUTDOWN event is received while the VM is backing up, we do not
kill the VM. And when the vzdump handle is closed, we check if the
guest has started up since, and only if it's determined to still be
turned off, we then finally kill QEMU.
We cannot wait for QEMU directly to finish the backup (i.e. with
query-backup), as that would kill the VM too fast for vzdump to send the
last 'query-backup' to mark the backup as successful and done.
For handling 'query-status' messages sent to QEMU, a state-machine-esque
protocol is implemented into the Client struct (ClientState). This is
necessary, since QMP works asynchronously, and results arrive on the
same channel as events and even the handshake.
For referencing QEMU Clients from vzdump messages, they are kept in a
hash table. This requires linking against glib.
Signed-off-by: Stefan Reiter <s.reiter@proxmox.com>
by adding the missing argument (otherwise all the other ones are shifted
one slot to the left, which is of course bogus).
this has been broken since 2018 (d559309), but was only made
visible/caused a failure with the recent changes adding
use strict;
use warnings;
to PVE::QemuServer::PCI
Signed-off-by: Fabian Grünbichler <f.gruenbichler@proxmox.com>
if the 'backup' qmp call itself times out or fails, we still want to
try to cancel the backup, else it can happen that there is still
a backup running even when vzdump thinks it was canceled
qapi docs says that backup cancel always returns success, even
if no backup is running
since we hold a global and a per vm lock for the backup, this should be
ok, since we should not reach this code without that lock
Signed-off-by: Dominik Csapak <d.csapak@proxmox.com>
We query QEMU if it's safe before enabling it, as on versions without
the necessary patches it not only would be useless, but can actually
lead to hangs.
PBS state is always migrated, as it's a small amount of data anyway, so
we don't need to set a specific flag for it.
Signed-off-by: Stefan Reiter <s.reiter@proxmox.com>
Specifying 'boot: order=' was intended to be used for an empty bootorder
(i.e. no boot devices), but as it turns out our format parser doesn't
like empty '-list' properties if they are nested in a subformat.
Fixing this in JSONSchema sounds like a risky move, so instead just
write 'boot: ' (without 'order=') to indicate an empty bootorder. The
rest of the code handles it just fine, as this was valid before too.
Incidentally also fixes a bug where you couldn't create a new VM without
any disks if no explicit 'boot' property was specified (i.e. a simple
'qm create 100' without any parameters would fail).
Reported-by: Dominic Jäger <d.jaeger@proxmox.com>
Signed-off-by: Stefan Reiter <s.reiter@proxmox.com>
fixes commit 74c17b7a23c8a953d1dcec9bd53449d71d88cd5d which moved
this code here, but forgot to pass $vga ref, as the module was not
using warning nor strict mode this was not caught..
Signed-off-by: Thomas Lamprecht <t.lamprecht@proxmox.com>
