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