change bootstap to get age key from target host
This commit is contained in:
parent
521bafe3f8
commit
82f5d9ebfe
|
@ -58,11 +58,11 @@
|
||||||
"nix-secrets": {
|
"nix-secrets": {
|
||||||
"flake": false,
|
"flake": false,
|
||||||
"locked": {
|
"locked": {
|
||||||
"lastModified": 1716039101,
|
"lastModified": 1716151250,
|
||||||
"narHash": "sha256-jaliFlqz3HKW+tsW3Onqtbw3w6mLTYJJZZQrrPmxZ8Q=",
|
"narHash": "sha256-EobYnFYGrF+gtUimpECPMOyYrBpPyuM6jx9SJZHHOAY=",
|
||||||
"ref": "refs/heads/master",
|
"ref": "refs/heads/master",
|
||||||
"rev": "7cef1d6f77d212a887e6660f85b28f8b20181d9b",
|
"rev": "e46f3dde6dba9b31fd6dfb8c105f011c53519ff8",
|
||||||
"revCount": 13,
|
"revCount": 16,
|
||||||
"type": "git",
|
"type": "git",
|
||||||
"url": "ssh://git@git.bitlab21.com/sam/nix-secrets.git"
|
"url": "ssh://git@git.bitlab21.com/sam/nix-secrets.git"
|
||||||
},
|
},
|
||||||
|
|
|
@ -13,23 +13,10 @@ in
|
||||||
|
|
||||||
sops = {
|
sops = {
|
||||||
age.keyFile = "${homeDirectory}/.config/sops/age/keys.txt";
|
age.keyFile = "${homeDirectory}/.config/sops/age/keys.txt";
|
||||||
|
age.sshKeyPaths = ["${homeDirectory}/.ssh/deploy_key-ssh-ed25519" "${homeDirectory}/.ssh/ssh_host_ed25519_key"];
|
||||||
|
|
||||||
defaultSopsFile = "${secretsFile}";
|
defaultSopsFile = "${secretsFile}";
|
||||||
validateSopsFiles = false;
|
validateSopsFiles = false;
|
||||||
|
|
||||||
secrets = {
|
|
||||||
"ssh_keys/${username}@${hostname}/${username}@${hostname}-ssh-ed25519" = {
|
|
||||||
path = "${homeDirectory}/.ssh/${username}@${hostname}-ssh-ed25519";
|
|
||||||
};
|
|
||||||
"ssh_keys/${username}@${hostname}/${username}@${hostname}-ssh-ed25519.pub" = {
|
|
||||||
path = "${homeDirectory}/.ssh/${username}@${hostname}-ssh-ed25519.pub";
|
|
||||||
};
|
|
||||||
"ssh_keys/deploy_key/deploy_key-ssh-ed25519" = {
|
|
||||||
path = "${homeDirectory}/.ssh/deploy_key-ssh-ed25519";
|
|
||||||
};
|
|
||||||
"ssh_keys/deploy_key/deploy_key-ssh-ed25519.pub" = {
|
|
||||||
path = "${homeDirectory}/.ssh/deploy_key-ssh-ed25519.pub";
|
|
||||||
};
|
|
||||||
};
|
|
||||||
};
|
};
|
||||||
}
|
}
|
||||||
|
|
|
@ -11,8 +11,15 @@
|
||||||
|
|
||||||
xdg.userDirs = {
|
xdg.userDirs = {
|
||||||
enable = true;
|
enable = true;
|
||||||
createDirectories = true;
|
createDirectories = false;
|
||||||
desktop = "${config.home.homeDirectory}/Desktop";
|
desktop = "/home/media/Desktop";
|
||||||
|
documents = null;
|
||||||
|
download = null;
|
||||||
|
music = null;
|
||||||
|
pictures = null;
|
||||||
|
publicShare = null;
|
||||||
|
templates = null;
|
||||||
|
videos = null;
|
||||||
};
|
};
|
||||||
|
|
||||||
home.packages = [
|
home.packages = [
|
||||||
|
|
|
@ -2,7 +2,6 @@
|
||||||
let
|
let
|
||||||
secretsDirectory = builtins.toString inputs.nix-secrets;
|
secretsDirectory = builtins.toString inputs.nix-secrets;
|
||||||
secretsFile = "${secretsDirectory}/secrets.yaml";
|
secretsFile = "${secretsDirectory}/secrets.yaml";
|
||||||
homeDirectory = "/home/${configVars.username}";
|
|
||||||
in
|
in
|
||||||
{
|
{
|
||||||
imports = [
|
imports = [
|
||||||
|
@ -10,13 +9,18 @@ in
|
||||||
];
|
];
|
||||||
|
|
||||||
sops = {
|
sops = {
|
||||||
|
age.sshKeyPaths = [ "/etc/ssh/ssh_host_ed25519_key" ];
|
||||||
|
|
||||||
defaultSopsFile = "${secretsFile}";
|
defaultSopsFile = "${secretsFile}";
|
||||||
validateSopsFiles = false;
|
validateSopsFiles = false;
|
||||||
|
|
||||||
age = {
|
secrets = {
|
||||||
sshKeyPaths = [ "/etc/ssh/ssh_host_ed25519_key" ];
|
"ssh_keys/deploy_key/deploy_key-ssh-ed25519" = {
|
||||||
keyFile = "/var/lib/sops-nix/key.txt";
|
path = "/etc/ssh/deploy_key-ssh-ed25519";
|
||||||
generateKey = true;
|
};
|
||||||
|
"ssh_keys/deploy_key/deploy_key-ssh-ed25519.pub" = {
|
||||||
|
path = "/etc/ssh/deploy_key-ssh-ed25519.pub";
|
||||||
|
};
|
||||||
};
|
};
|
||||||
};
|
};
|
||||||
}
|
}
|
||||||
|
|
|
@ -17,6 +17,11 @@ in
|
||||||
};
|
};
|
||||||
|
|
||||||
};
|
};
|
||||||
|
programs.ssh.extraConfig = ''
|
||||||
|
Host git.bitlab21.com
|
||||||
|
IdentitiesOnly yes
|
||||||
|
StrictHostKeyChecking no
|
||||||
|
IdentityFile /etc/ssh/deploy_key-ssh-ed25519
|
||||||
|
'';
|
||||||
networking.firewall.allowedTCPPorts = [ sshPort ];
|
networking.firewall.allowedTCPPorts = [ sshPort ];
|
||||||
}
|
}
|
||||||
|
|
|
@ -29,12 +29,6 @@
|
||||||
};
|
};
|
||||||
};
|
};
|
||||||
|
|
||||||
environment.etc = {
|
|
||||||
"xdg/user-dirs.defaults".text = ''
|
|
||||||
DESKTOP=/home/media/Desktop
|
|
||||||
'';
|
|
||||||
};
|
|
||||||
|
|
||||||
fileSystems."/persist".neededForBoot = true;
|
fileSystems."/persist".neededForBoot = true;
|
||||||
environment.persistence."/persist" = {
|
environment.persistence."/persist" = {
|
||||||
hideMounts = true;
|
hideMounts = true;
|
||||||
|
@ -50,6 +44,12 @@ environment.etc = {
|
||||||
"sync"
|
"sync"
|
||||||
"keep"
|
"keep"
|
||||||
".ssh"
|
".ssh"
|
||||||
|
".config/dconf"
|
||||||
|
".config/cinnamon"
|
||||||
|
".config/nemo"
|
||||||
|
];
|
||||||
|
files = [
|
||||||
|
".config/user-dirs.dirs"
|
||||||
];
|
];
|
||||||
};
|
};
|
||||||
};
|
};
|
||||||
|
@ -80,14 +80,14 @@ environment.etc = {
|
||||||
services.libinput.enable = true;
|
services.libinput.enable = true;
|
||||||
services.displayManager.defaultSession = "cinnamon";
|
services.displayManager.defaultSession = "cinnamon";
|
||||||
|
|
||||||
services.xserver = {
|
# services.xserver = {
|
||||||
enable = true;
|
# enable = true;
|
||||||
displayManager.lightdm.enable = true;
|
# displayManager.lightdm.enable = true;
|
||||||
desktopManager = {
|
# desktopManager = {
|
||||||
cinnamon.enable = true;
|
# cinnamon.enable = true;
|
||||||
};
|
# };
|
||||||
};
|
# };
|
||||||
|
#
|
||||||
security.pam = {
|
security.pam = {
|
||||||
sshAgentAuth.enable = true;
|
sshAgentAuth.enable = true;
|
||||||
services = {
|
services = {
|
||||||
|
|
|
@ -12,85 +12,108 @@ for the root user.
|
||||||
read -p "Confirm host had been setup using the above steps...(yes|no): " confirm
|
read -p "Confirm host had been setup using the above steps...(yes|no): " confirm
|
||||||
[ "$confirm" != "yes" ] && echo "Exiting" && exit 0
|
[ "$confirm" != "yes" ] && echo "Exiting" && exit 0
|
||||||
|
|
||||||
cd ~
|
# Target host details
|
||||||
read -p "Enter hostname: " hostname
|
#cd ~
|
||||||
read -p "Enter username: " username
|
#read -p "Enter hostname: " hostname
|
||||||
read -p "Enter ip address: " ip
|
#read -p "Enter username: " username
|
||||||
read -p "Enter nixosSystem to build, e.g. 'bootstrap': " config
|
#read -p "Enter ip address: " ip
|
||||||
|
#read -p "Enter nixosSystem to build, e.g. 'bootstrap': " config
|
||||||
|
hostname="sparky"
|
||||||
|
ip="192.168.122.193"
|
||||||
|
username="media"
|
||||||
|
config=$hostname
|
||||||
|
## Generate key name and dir
|
||||||
KEY_DIR="$HOME/keys/$hostname/"
|
KEY_DIR="$HOME/keys/$hostname/"
|
||||||
mkdir -p $KEY_DIR
|
mkdir -p $KEY_DIR
|
||||||
|
KEY_NAME="root@$hostname-ssh-ed25519"
|
||||||
|
|
||||||
echo "Creating ssh keys for new host."
|
# Delete key in known hosts if exists
|
||||||
KEY_NAME="$username@$hostname-ssh-ed25519"
|
|
||||||
|
|
||||||
KNOWN_HOSTS=$(grep "$ip" ~/.ssh/known_hosts)
|
|
||||||
confirm_delete=""
|
confirm_delete=""
|
||||||
|
KNOWN_HOSTS=$(grep "$ip" ~/.ssh/known_hosts)
|
||||||
[ "$KNOWN_HOSTS" != "" ] && echo -e "Host found in: ~/.ssh/known_hosts\n\n$KNOWN_HOSTS\n" && read -p "Delete existing hosts from ~/.ssh/known_hosts? (yes|no) " confirm_delete
|
[ "$KNOWN_HOSTS" != "" ] && echo -e "Host found in: ~/.ssh/known_hosts\n\n$KNOWN_HOSTS\n" && read -p "Delete existing hosts from ~/.ssh/known_hosts? (yes|no) " confirm_delete
|
||||||
[ "$confirm_delete" = "yes" ] && sed -i "/$ip/d" ~/.ssh/known_hosts
|
[ "$confirm_delete" = "yes" ] && sed -i "/$ip/d" ~/.ssh/known_hosts
|
||||||
|
|
||||||
echo "Copying deploy_key pubkey to target host"
|
## Generate new keys for target host if none exists
|
||||||
ssh-copy-id -i "$(readlink -n "$HOME/.ssh/deploy_key-ssh-ed25519.pub" )" "root@$ip"
|
#echo "Creating ssh keys for new host."
|
||||||
|
#overwrite=""
|
||||||
|
#[ -f "$KEY_DIR/$KEY_NAME" ] && read -p "Target host key '$KEY_NAME' already exists, would you like to overwrite it? (yes|no) " overwrite
|
||||||
|
#[ -z "$overwrite" ] || [ "$overwrite" == "yes" ] && ssh-keygen -t ed25519 -f "$KEY_DIR/$KEY_NAME" -C "$username@$hostname" -N ""
|
||||||
|
|
||||||
overwrite=""
|
# Authorise source public key
|
||||||
[ -f "$KEY_DIR/$KEY_NAME" ] && read -p "Key exists, would you like to overwrite it? (yes|no) " overwrite
|
echo "Copying pubkey to target host"
|
||||||
|
ssh-copy-id -i "$(readlink -f "$HOME/.ssh/ssh_host_ed25519_key.pub")" "root@$ip"
|
||||||
|
|
||||||
[ -z "$overwrite" ] || [ "$overwrite" == "yes" ] && ssh-keygen -t ed25519 -f "$KEY_DIR/$KEY_NAME" -C "$username@$hostname" -N ""
|
## Copy deploy_key to target root for personal repo authorisation
|
||||||
|
#scp -i "$(readlink -f "$HOME/.ssh/ssh_host_ed25519_key")" "$KEY_DIR/$KEY_NAME" "root@$ip:/etc/ssh/ssh_host_ed25519_key"
|
||||||
|
#scp -i "$(readlink -f "$HOME/.ssh/ssh_host_ed25519_key")" "$KEY_DIR/$KEY_NAME.pub" "root@$ip:/etc/ssh/ssh_host_ed25519_key.pub"
|
||||||
|
|
||||||
echo "Copying ssh key to target host:"
|
## Generate age key from target host public ssh key
|
||||||
scp -i "$KEY_DIR/$KEY_NAME"* "root@$ip:/etc/ssh/"
|
#echo "Generating age key from target host ssh key"
|
||||||
[ $? != 0 ] && echo "Error copying keys to target host" && exit 1
|
#nix-shell -p ssh-to-age --run "cat $KEY_DIR/$KEY_NAME.pub | ssh-to-age > $KEY_DIR/age_key_$hostname"
|
||||||
|
#[ $? != 0 ] && echo "Error generating age key" && exit 1
|
||||||
|
#AGE_KEY=$(cat "$KEY_DIR/age_key_$hostname")
|
||||||
|
#echo -e "Age key:\n$AGE_KEY\n"
|
||||||
|
#echo "This key needs to be inserted into .sops.yaml file. This will be prompted again later."
|
||||||
|
|
||||||
echo "Generating age key from ssh key"
|
# Install Nixos to target
|
||||||
nix-shell -p ssh-to-age --run "cat $KEY_DIR/$KEY_NAME.pub | ssh-to-age > $KEY_DIR/age_key_$hostname"
|
|
||||||
[ $? != 0 ] && echo "Error generating age key" && exit 1
|
|
||||||
|
|
||||||
AGE_KEY=$(cat "$KEY_DIR/age_key_$hostname")
|
|
||||||
|
|
||||||
echo -e "Age key:\n$AGE_KEY\n"
|
|
||||||
echo "This needs to be inserted into .sops.yaml file."
|
|
||||||
|
|
||||||
# Install Nixos bootstrap
|
|
||||||
cd "$HOME/nixos"
|
cd "$HOME/nixos"
|
||||||
SHELL=/bin/sh nix run github:nix-community/nixos-anywhere -- --flake .#"$config" root@"$ip" -i "$KEY_DIR/ssh_ed25519_key_$hostname"
|
SHELL=/bin/sh nix run github:nix-community/nixos-anywhere -- --flake .#"$config" root@"$ip" -i "$HOME/.ssh/ssh_host_ed25519_key"
|
||||||
[ $? != 0 ] && echo "Error installing Nixos" && exit 1
|
[ $? != 0 ] && echo "Error installing Nixos" && exit 1
|
||||||
|
|
||||||
|
## Delete keys from local known_hosts
|
||||||
echo "Deleting host from known_hosts"
|
echo "Deleting host from known_hosts"
|
||||||
sed -i "/$ip/d" ~/.ssh/known_hosts
|
sed -i "/$ip/d" ~/.ssh/known_hosts
|
||||||
|
|
||||||
|
# Check host OS has booted (and not booted back into live cd)
|
||||||
while true;
|
while true;
|
||||||
do
|
do
|
||||||
read -p "Confirm live CD has been removed... (yes|no)" confirm
|
read -p "Confirm live CD has been removed... (yes|no): " confirm
|
||||||
[ "$confirm" = "yes" ] && break
|
[ "$confirm" = "yes" ] && break
|
||||||
done
|
done
|
||||||
|
|
||||||
echo "Waiting for $ip to come back online and port 22 to be open..."
|
echo "Waiting for $ip to come back online and port 22 to be open..."
|
||||||
|
|
||||||
while ! ping -c 1 $ip &> /dev/null || ! nc -zvw3 $ip 22 &> /dev/null
|
while ! ping -c 1 $ip &> /dev/null || ! nc -zvw3 $ip 22 &> /dev/null
|
||||||
do
|
do
|
||||||
echo "$ip is still offline or port 22 is not open. Checking again in 5 seconds..."
|
echo "$ip is still offline or port 22 is not open. Checking again in 5 seconds..."
|
||||||
sleep 5
|
sleep 5
|
||||||
done
|
done
|
||||||
|
|
||||||
echo "$ip is now online and port 22 is open!"
|
echo "$ip is now online and port 22 is open!"
|
||||||
|
|
||||||
echo "Configuring ssh keys on target host to enable connection to gitea:"
|
# Authorise source public key
|
||||||
ssh-copy-id -i "$HOME/.ssh/deploy_key-ssh-ed25519.pub" "$username@$ip"
|
echo "Copying pubkey to target host"
|
||||||
|
ssh-copy-id -i "$(readlink -f "$HOME/.ssh/ssh_host_ed25519_key.pub")" "$username@$ip"
|
||||||
|
|
||||||
|
## Copy deploy_key to target root for personal repo authorisation
|
||||||
|
#scp -i "$(readlink -f "$HOME/.ssh/ssh_host_ed25519_key")" "$(readlink -f "$HOME/.ssh/deploy_key-ssh-ed25519")" "root@$ip:/etc/ssh/deploy_key-ssh-ed25519"
|
||||||
|
#scp -i "$(readlink -f "$HOME/.ssh/ssh_host_ed25519_key")" "$(readlink -f "$HOME/.ssh/deploy_key-ssh-ed25519.pub")" "root@$ip:/etc/ssh/deploy_key-ssh-ed25519.pub"
|
||||||
|
#
|
||||||
|
# Copy deploy_key to target user home for personal repo authorisation
|
||||||
|
scp -i "$(readlink -f "$HOME/.ssh/ssh_host_ed25519_key")" "$(readlink -f "$HOME/.ssh/deploy_key-ssh-ed25519")" "$username@$ip:~/.ssh/deploy_key-ssh-ed25519"
|
||||||
|
scp -i "$(readlink -f "$HOME/.ssh/ssh_host_ed25519_key")" "$(readlink -f "$HOME/.ssh/deploy_key-ssh-ed25519.pub")" "$username@$ip:~/.ssh/deploy_key-ssh-ed25519.pub"
|
||||||
|
|
||||||
|
echo "Configuring target host ssh connection to enable connection to gitea repos:"
|
||||||
read -r -d '' config << EOM
|
read -r -d '' config << EOM
|
||||||
Host git.bitlab21.com
|
Host git.bitlab21.com
|
||||||
IdentitiesOnly yes
|
IdentitiesOnly yes
|
||||||
StrictHostKeyChecking no
|
StrictHostKeyChecking no
|
||||||
IdentityFile ~/.ssh/deploy_key-ssh-ed25519
|
IdentityFile ~/.ssh/deploy_key-ssh-ed25519
|
||||||
EOM
|
EOM
|
||||||
|
|
||||||
# Append the string to file on target machine
|
|
||||||
echo "$config" | ssh "$username@$ip" 'mkdir -p ~/.ssh/ && cat > ~/.ssh/config'
|
echo "$config" | ssh "$username@$ip" 'mkdir -p ~/.ssh/ && cat > ~/.ssh/config'
|
||||||
|
|
||||||
|
# Generate age key from target host public ssh key
|
||||||
|
echo "Generating age key from target host ssh key"
|
||||||
|
TARGET_PUBKEY=$(ssh -i "$(readlink -f "$HOME/.ssh/ssh_host_ed25519_key")" "$username@$ip" "cat /etc/ssh/ssh_host_ed25519_key.pub")
|
||||||
|
nix-shell -p ssh-to-age --run "echo $TARGET_PUBKEY | ssh-to-age > $KEY_DIR/age_key_$hostname"
|
||||||
|
echo "$TARGET_PUBKEY" > "$KEY_DIR/$KEY_NAME.pub"
|
||||||
|
AGE_KEY=$(cat "$KEY_DIR/age_key_$hostname")
|
||||||
|
|
||||||
echo -e "
|
echo -e "
|
||||||
Complete!
|
Complete!
|
||||||
|
|
||||||
Now add the age key to .sops.yaml, like this:
|
Now add the new target host age key to .sops.yaml. This is needed to enable the
|
||||||
|
new host to decrypt the secrets.yaml file from the ssh key we generated
|
||||||
|
previously.
|
||||||
|
|
||||||
|
Enter the details as following:
|
||||||
keys:
|
keys:
|
||||||
- &hosts:
|
- &hosts:
|
||||||
- &$hostname $AGE_KEY
|
- &$hostname $AGE_KEY
|
||||||
|
@ -101,13 +124,16 @@ creation_rules:
|
||||||
- age:
|
- age:
|
||||||
- *$hostname
|
- *$hostname
|
||||||
|
|
||||||
Then to update the keys for the secrets.yaml file, run:
|
Then update (i.e. re-encrypt) the secrets.yaml file with the new keys, run:
|
||||||
|
|
||||||
'sops --config .sops.yaml updatekeys secrets.yaml'
|
'sops --config .sops.yaml updatekeys secrets.yaml'
|
||||||
or with nix-shell:
|
|
||||||
'nix-shell -p sops --run 'sops --config .sops.yaml updatekeys secrets.yaml''
|
or with just:
|
||||||
then run 'nix flake lock --update-input nix-secrets $HOME/nixos'
|
|
||||||
Finally, commit and push these changes to remote so they can be accessed on
|
'just update-sops-secrets'
|
||||||
the new host.
|
|
||||||
|
Then commit and push these changes to remote so they can be accessed on the new
|
||||||
|
host.
|
||||||
"
|
"
|
||||||
|
|
||||||
while true;
|
while true;
|
||||||
|
@ -116,12 +142,8 @@ do
|
||||||
[ "$confirm" = "yes" ] && break
|
[ "$confirm" = "yes" ] && break
|
||||||
done
|
done
|
||||||
|
|
||||||
echo "Copying gitea private ssh key to host"
|
ssh -i "$(readlink -f "$HOME/.ssh/ssh_host_ed25519_key")" "$username@$ip" "nix-shell -p git --run 'git clone git@git.bitlab21.com:sam/nixos.git'"
|
||||||
echo "New password is 'nixos'"
|
ssh -i "$(readlink -f "$HOME/.ssh/ssh_host_ed25519_key")" "$username@$ip" "nix-shell -p git --run 'git clone git@git.bitlab21.com:sam/nix-secrets.git'"
|
||||||
|
|
||||||
rsync -av "$(readlink -n "$HOME/.ssh/deploy_key-ssh-ed25519" )" "$username@$ip":~/.ssh/deploy_key-ssh-ed25519
|
|
||||||
ssh "$username@$ip" "nix-shell -p git --run 'git clone git@git.bitlab21.com:sam/nixos.git'"
|
|
||||||
ssh "$username@$ip" "nix-shell -p git --run 'git clone git@git.bitlab21.com:sam/nix-secrets.git'"
|
|
||||||
|
|
||||||
echo "Successfully installed Nixos on the target host!"
|
echo "Successfully installed Nixos on the target host!"
|
||||||
echo "Please remote into the new host and run 'sudo nixos-generate-config && cp /etc/nixos/hardware-configuration.nix /home/$username/nixos/hosts/$hostname/'"
|
echo "Please remote into the new host and run 'sudo nixos-generate-config && cp /etc/nixos/hardware-configuration.nix /home/$username/nixos/hosts/$hostname/'"
|
||||||
|
|
Loading…
Reference in New Issue