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sshd: test dpkg reconfigure behaviour #454

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Merged
picnoir merged 1 commit into from
Apr 13, 2026
Merged

sshd: test dpkg reconfigure behaviour #454

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8 changes: 8 additions & 0 deletions testFlake/container-tests/ssh.nix
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Original file line number Diff line number Diff line change
Expand Up @@ -91,6 +91,14 @@ forEachDistro "ssh" {
machine.succeed('ssh -i /etc/privatekey -o "StrictHostKeyChecking no" root@localhost echo ok')
machine.succeed('echo "ls /" | sftp -i /etc/privatekey root@localhost')

with subtest("dpkg update do not remove system-managed owned files"):
sshd_sum_before_dpkg = sshd_config.sha256sum
machine.succeed("dpkg-reconfigure openssh-server --frontend=noninteractive")
sshd_config_new = machine.file("/etc/ssh/sshd_config")
assert sshd_config_new.exists, "/etc/ssh/sshd_config should exist"
assert sshd_config_new.sha256sum == sshd_sum_before_dpkg, \
"it seems like dpkg overwote /etc/ssh/sshd_config"

with subtest("deactivation removes known hosts file"):
machine.succeed("${toplevel}/bin/deactivate")
machine.fail("test -f /etc/ssh/ssh_known_hosts")
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