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Bug: scp into guest-vm doesn't work #930

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Omrigan opened this issue May 7, 2024 · 1 comment · Fixed by #1051
Closed

Bug: scp into guest-vm doesn't work #930

Omrigan opened this issue May 7, 2024 · 1 comment · Fixed by #1051
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@mikhail-sakhnov
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c/autoscaling/neonvm Component: autoscaling: NeonVM t/bug Issue Type: Bug

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@Omrigan
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Omrigan commented May 7, 2024

Environment

Steps to reproduce

> scp -v test guest-vm:/root/test
...
debug1: Sending subsystem: sftp
scp: Connection closed
...

Expected result

Scp works out of the box

Actual result

Other logs, links

  • ...
@Omrigan Omrigan added t/bug Issue Type: Bug c/autoscaling/neonvm Component: autoscaling: NeonVM labels May 7, 2024
@kelvich
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kelvich commented May 7, 2024

Found one workaround:

inside vm: apt update && apt install openssh-clients
now you can scp with -O flag: scp -O foo.txt guest-vm:~/

@mikhail-sakhnov mikhail-sakhnov self-assigned this Aug 23, 2024
@mikhail-sakhnov mikhail-sakhnov mentioned this issue Aug 26, 2024
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mikhail-sakhnov added a commit that referenced this issue Aug 29, 2024
@mikhail-sakhnov
vm-builder: change sshd config to use internal-sftp subsystem (#1051)
5c838f1 
Change sshd_config to let scp command work outside of the box.
Add e2e test for scp command.

The root cause for non-working scp was config directive ```Subsystem
sftp /usr/lib/ssh/sftp-server```

We don't have that binary in the guest vm. There are 2 ways to fix it -
either add binary during the image build or change the configuration to
use embedded realization of the sftp subsystem. I chose the second
option since it is a bit easier.

More context: https://man.openbsd.org/sshd_config#Subsystem

Closes #930

Signed-off-by: Misha Sakhnov <misha@neon.tech>
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@mikhail-sakhnov mikhail-sakhnov

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c/autoscaling/neonvm Component: autoscaling: NeonVM t/bug Issue Type: Bug
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vm-builder: change sshd config to use internal-sftp subsystem neondatabase/autoscaling
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@kelvich @mikhail-sakhnov @Omrigan