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azure: add a job to download ssh host and root keys if they are made available via "custom data"; see #3986

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This commit is contained in:
Evgeny Egorochkin 2015-02-16 16:54:30 +02:00
parent 0c4ac4b936
commit 4621f16b34
1 changed files with 48 additions and 9 deletions
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57
nixos/modules/virtualisation/azure-image.nix
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@ -24,6 +24,7 @@ in
postVM =
''
echo Converting
mkdir -p $out
${pkgs.vmTools.qemu}/bin/qemu-img convert -f raw -O vpc $diskImage $out/disk.vhd
rm $diskImage
@ -62,30 +63,31 @@ in
echo "copying everything (will take a while)..."
cp -prd $storePaths /mnt/nix/store/
# Register the paths in the Nix database.
echo Register the paths in the Nix database.
printRegistration=1 perl ${pkgs.pathsFromGraph} /tmp/xchg/closure | \
chroot /mnt ${config.nix.package}/bin/nix-store --load-db
chroot /mnt ${config.nix.package}/bin/nix-store --load-db --option build-users-group ""
# Create the system profile to allow nixos-rebuild to work.
echo Create the system profile to allow nixos-rebuild to work.
chroot /mnt ${config.nix.package}/bin/nix-env \
-p /nix/var/nix/profiles/system --set ${config.system.build.toplevel}
-p /nix/var/nix/profiles/system --set ${config.system.build.toplevel} --option build-users-group ""
# `nixos-rebuild' requires an /etc/NIXOS.
echo nixos-rebuild requires an /etc/NIXOS.
mkdir -p /mnt/etc
touch /mnt/etc/NIXOS
# `switch-to-configuration' requires a /bin/sh
echo switch-to-configuration requires a /bin/sh
mkdir -p /mnt/bin
ln -s ${config.system.build.binsh}/bin/sh /mnt/bin/sh
# Install a configuration.nix.
echo Install a configuration.nix.
mkdir -p /mnt/etc/nixos /mnt/boot/grub
cp ${./azure-config.nix} /mnt/etc/nixos/configuration.nix
# Generate the GRUB menu.
echo Generate the GRUB menu.
ln -s vda /dev/sda
chroot /mnt ${config.system.build.toplevel}/bin/switch-to-configuration boot
echo Almost done
umount /mnt/proc /mnt/dev /mnt/sys
umount /mnt
''
@ -119,7 +121,44 @@ in
# Always include cryptsetup so that NixOps can use it.
environment.systemPackages = [ pkgs.cryptsetup ];
systemd.services.fetch-ssh-keys =
{ description = "Fetch host keys and authorized_keys for root user";
wantedBy = [ "sshd.service" ];
before = [ "sshd.service" ];
after = [ "local-fs.target" ];
path = [ pkgs.coreutils ];
script =
''
eval "$(base64 --decode /metadata/CustomData.bin)"
if ! [ -z "$ssh_host_ecdsa_key" ]; then
echo "downloaded ssh_host_ecdsa_key"
echo "$ssh_host_ecdsa_key" > /etc/ssh/ssh_host_ecdsa_key
chmod 600 /etc/ssh/ssh_host_ecdsa_key
fi
if ! [ -z "$ssh_host_ecdsa_key_pub" ]; then
echo "downloaded ssh_host_ecdsa_key_pub"
echo "$ssh_host_ecdsa_key_pub" > /etc/ssh/ssh_host_ecdsa_key.pub
chmod 644 /etc/ssh/ssh_host_ecdsa_key.pub
fi
if ! [ -z "$ssh_root_auth_key" ]; then
echo "downloaded ssh_root_auth_key"
mkdir -m 0700 -p /root/.ssh
echo "$ssh_root_auth_key" > /root/.ssh/authorized_keys
chmod 600 /root/.ssh/authorized_keys
fi
'';
serviceConfig.Type = "oneshot";
serviceConfig.RemainAfterExit = true;
serviceConfig.StandardError = "journal+console";
serviceConfig.StandardOutput = "journal+console";
};
networking.usePredictableInterfaceNames = false;
users.extraUsers.root.openssh.authorizedKeys.keys = [ (builtins.readFile <ssh-pub-key>) ];
#users.extraUsers.root.openssh.authorizedKeys.keys = [ (builtins.readFile <ssh-pub-key>) ];
}