support running virtme-ng instances inside docker #51
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arighi
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Dec 21, 2023
Minor changes required to run virtme-ng instances inside docker containers. Link: arighi/virtme-ng#51 Signed-off-by: Andrea Righi <andrea.righi@canonical.com>
arighi
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Hide virtiofsd warnings that may confuse users, unless we are running in verbose mode. This fixes issue #51. Signed-off-by: Andrea Righi <andrea.righi@canonical.com>
arighi
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Dec 21, 2023
Do not enable microvm or native kvm acceleration if /dev/kvm does not exist. This may happen in container environments, despite running on a native architecture, but not having access to /dev/kvm may result in permission errors. This fixes issue #51. Signed-off-by: Andrea Righi <andrea.righi@canonical.com>
arighi
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Minor changes to our virtme-init script required to run virtme-ng instances inside docker containers. This fixes issue #51. Link: arighi/virtme-ng-init@6ed126b Signed-off-by: Andrea Righi <andrea.righi@canonical.com>
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When running virtme-ng instances inside docker containers we may not have a proper udev support on the host. As a result the communication over virtio-serial port may not work properly. This can be solved by running the following command on the host (as root), before starting the virtme-ng instances: # udevadm trigger --subsystem-match --action=change Considering that we typicall run vng as root inside docker this can help to automatically solve potential issues in this scenario. This fixes issue #51. Signed-off-by: Andrea Righi <andrea.righi@canonical.com>
arighi
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Dec 21, 2023
Add a note to the troubleshooting section about running virtme-ng
instances inside docker.
This should be automatically solved by virtme-ng itself, with commit
48b77f8 ("virtme: kick udev when running as root"), but the
troubleshooting note may still be helpful in some cases (e.g., when not
using the latest version of virtme-ng).
This fixes issue #51.
Signed-off-by: Andrea Righi <andrea.righi@canonical.com>
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arighi
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Dec 21, 2023
Add an example on how to use virtme-ng inside a docker container with an ubuntu-22.04 image. Moreover, add a note to the troubleshooting section, mentioning about the udev requirement to properly support stdin/stdout/stderr redirection with virtme-ng instances running inside docker. This fixes issue #51. Signed-off-by: Andrea Righi <andrea.righi@canonical.com>
arighi
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Dec 21, 2023
Add an example on how to use virtme-ng inside a docker container with an ubuntu-22.04 image. Moreover, add a note to the troubleshooting section, mentioning about the udev requirement to properly support stdin/stdout/stderr redirection with virtme-ng instances running inside docker. This fixes issue #51. Signed-off-by: Andrea Righi <andrea.righi@canonical.com>
arighi
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Dec 21, 2023
Do not enable microvm or native kvm acceleration if /dev/kvm does not exist (or if we don't have permissions to use it). This may happen in container environments, despite running on a native architecture, but not having access to /dev/kvm may result in EPERM errors and warnings that may confuse users. This fixes issue #51. Signed-off-by: Andrea Righi <andrea.righi@canonical.com>
arighi
added a commit
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Dec 21, 2023
Minor changes to our virtme-init script required to run virtme-ng instances inside docker containers. This fixes issue #51. Link: arighi/virtme-ng-init@6ed126b Signed-off-by: Andrea Righi <andrea.righi@canonical.com>
arighi
added a commit
that referenced
this issue
Dec 21, 2023
Add an example on how to use virtme-ng inside a docker container with an ubuntu-22.04 image. Moreover, add a note to the troubleshooting section, mentioning about the udev requirement to properly support stdin/stdout/stderr redirection with virtme-ng instances running inside docker. This fixes issue #51. Signed-off-by: Andrea Righi <andrea.righi@canonical.com>
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Fixed by PR #52 |
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Theoretically we should be able to run vng instances inside docker, but apparently there are problems running non-interactive sessions.
The problem seems to be related to the fact that virtio-serial devices (used by virtme-ng to connect stdin/stdout/stderr between host and guest) are not created properly, potentially due to some limitations of the
/devinside docker.Investigate more on this and see if we can find a proper fix.
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