Deploy to guix machine

[Reza Housseini]

Hi list

I have a server running guix system, with this configuration

(list (machine
       (operating-system my-server)
       (environment managed-host-environment-type)
       (configuration (machine-ssh-configuration
                       (host-name "my-host")
                       (system "x86_64-linux")
                       (identity "~/.ssh/id_card.pub")))))

which I used to deploy without problems. But now when I run ~guix 
deploy~ I get

;;; [2022/08/15 09:51:18.979345, 0] [GSSH ERROR] Channel opening 
failure: channel 67 error (2) open failed: #<input-output: channel 
(closed) 7fb349ddf560>
Backtrace:
In guix/store.scm:
  1405:13 19 (map/accumulate-builds #<store-connection 256.99 
7fb348daf2d0> #<procedure 7fb343cf7860…> …)
  1380:11 18 (map/accumulate-builds #<store-connection 256.99 
7fb348daf2d0> #<procedure 7fb34b551060…> …)
   1298:8 17 (call-with-build-handler #<procedure 7fb34b3fee40 at 
guix/store.scm:1333:2 (continue st…> …)
In ice-9/boot-9.scm:
  1752:10 16 (with-exception-handler _ _ #:unwind? _ #:unwind-for-type _)
In guix/scripts/deploy.scm:
    168:6 15 (_)
In guix/store.scm:
  2168:25 14 (run-with-store #<store-connection 256.99 7fb348daf2d0> _ 
#:guile-for-build _ #:system _ …)
In gnu/machine/ssh.scm:
   506:32 13 (_ _)
In ice-9/boot-9.scm:
  1752:10 12 (with-exception-handler _ _ #:unwind? _ #:unwind-for-type _)
In gnu/machine/ssh.scm:
   506:32 11 (_)
In guix/store.scm:
  2168:25 10 (run-with-store #<store-connection 256.99 7fb358950c30> _ 
#:guile-for-build _ #:system _ …)
In guix/remote.scm:
   138:10  9 (_ _)
In guix/store.scm:
  2040:38  8 (_ #<store-connection 256.99 7fb358950c30>)
In guix/ssh.scm:
    376:2  7 (send-files #<store-connection 256.99 7fb358950c30> _ 
#<store-connection 256.99 7fb34e7…> …)
    222:5  6 (remote-run (begin (use-modules (guix) (srfi srfi-34) 
(rnrs io ports) (rnrs #)) (# …) …) #)
In ssh/popen.scm:
     64:4  5 (open-remote-pipe* _ "r+" _ . _)
In unknown file:
           4 (channel-open-session #<input-output: channel (closed) 
7fb349ddf560>)
In ice-9/boot-9.scm:
  1685:16  3 (raise-exception _ #:continuable? _)
  1683:16  2 (raise-exception _ #:continuable? _)
  1685:16  1 (raise-exception _ #:continuable? _)
  1685:16  0 (raise-exception _ #:continuable? _)

ice-9/boot-9.scm:1685:16: In procedure raise-exception:
Throw to key `guile-ssh-error' with args `("channel-open-session" 
"Channel opening failure: channel 67 error (2) open failed" 
#<input-output: channel (closed) 7fb349ddf560> #f)'.

I suspect it has something to do with using a hardware key as my private 
SSH key. I have the public key in the file ~/.ssh/id_card.pub and used 
this as my identity, this was working fine before.

--
Reza Housseini

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