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ssh timeout

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This commit is contained in:
lassulus 2022-11-10 15:31:43 +01:00
parent 5029d6a0fb
commit 650b6db62c
1 changed files with 6 additions and 7 deletions
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13
nixos-remote
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@ -60,12 +60,11 @@ done
# ssh wrapper
ssh_() {
ssh -o UserKnownHostsFile=/dev/null -o StrictHostKeyChecking=no "$@"
timeout 10 ssh -o UserKnownHostsFile=/dev/null -o StrictHostKeyChecking=no "$ssh_connection" "$@"
}
# first check if the remote system is kexec booted
# if $(ssh_ "$ssh_connection" -- test -e /etc/is-kexec); then
if $(ssh_ "$ssh_connection" -- test -e /etc/NIXOS); then
if $(ssh_ -- test -e /etc/is-kexec); then
is_kexec=y
fi
@ -73,7 +72,7 @@ fi
echo ${is_kexec-n}
if [ ${is_kexec-n} != "y" ]; then
# TODO we probably need an architecture detection here
ssh_ "$ssh_connection" << SSH
ssh_ << SSH
set -efux
fetch(){
if command -v curl >/dev/null 2>&1; then
@ -92,14 +91,14 @@ export TMPDIR=/root/kexec
setsid /root/kexec/kexec/run
SSH
# wait for machine to become unreachable
while ssh_ "$ssh_connection" -- exit 0; do sleep 1; done
while ssh_ -- exit 0; do sleep 1; done
# watiting for machine to become available again
until ssh_ -o ConnectTimeout=10 "$ssh_connection" -- exit 0; do sleep 5; done
until ssh_ -o ConnectTimeout=10 -- exit 0; do sleep 5; done
fi
ssh_ "$ssh_connection" << SSH
ssh_ << SSH
set -efux
$(declare -p nix_args)
nix --extra-experimental-features nix-command --extra-experimental-features flakes \