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Add dry runs. #7

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pinktrink merged 4 commits from master into master 2022-02-17 02:38:08 +00:00
Conversation 4 Commits 4 Files changed 1 +40 -22
1 changed files with 40 additions and 22 deletions
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50
flake.nix
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@ -17,26 +17,30 @@
let
machines = builtins.attrNames flake.nixosConfigurations;
validMachines = final.lib.remove "" (final.lib.forEach machines (x: final.lib.optionalString (flake.nixosConfigurations."${x}"._module.args ? nixinate) "${x}" ));
mkDeployScript = machine: final.writeScript "deploy-${machine}.sh" ''
mkDeployScript = { machine, dryRun }: let
inherit (builtins) abort;
n = flake.nixosConfigurations.${machine}._module.args.nixinate;
user = n.sshUser or "root";
host = n.host;
where = n.buildOn or "remote";
remote = if where == "remote" then true else if where == "local" then false else abort "_module.args.nixinate.buildOn is not set to a valid value of 'local' or 'remote'";
switch = if dryRun then "dry-activate" else "switch";
script = ''
set -e
SSH_USER=${flake.nixosConfigurations.${machine}._module.args.nixinate.sshUser}
SSH_HOST=${flake.nixosConfigurations.${machine}._module.args.nixinate.host}
BUILD_ON=${flake.nixosConfigurations.${machine}._module.args.nixinate.buildOn}
echo "🚀 Deploying nixosConfigurations.${machine} from ${flake}"
echo "👤 SSH User: $SSH_USER"
echo "🌐 SSH Host: $SSH_HOST"
if [ $BUILD_ON = "remote" ]; then
echo "👤 SSH User: ${user}"
echo "🌐 SSH Host: ${host}"
'' + (if remote then ''
echo "🚀 Sending flake to ${machine} via rsync:"
( set -x; ${final.rsync}/bin/rsync -q -vz --recursive --zc=zstd ${flake}/* $SSH_USER@$SSH_HOST:/tmp/nixcfg/ )
( set -x; ${final.rsync}/bin/rsync -q -vz --recursive --zc=zstd ${flake}/* ${user}@${host}:/tmp/nixcfg/ )
echo "🤞 Activating configuration on ${machine} via ssh:"
( set -x; ${final.openssh}/bin/ssh -t $SSH_USER@$SSH_HOST 'sudo nixos-rebuild switch --flake /tmp/nixcfg#${machine}' )
elif [ $BUILD_ON = "local" ]; then
( set -x; ${final.openssh}/bin/ssh -t ${user}@${host} 'sudo nixos-rebuild ${switch} --flake /tmp/nixcfg#${machine}' )
'' else ''
echo "🔨 Building system closure locally, copying it to remote store and activating it:"
( set -x; NIX_SSHOPTS="-t" ${final.nixos-rebuild}/bin/nixos-rebuild switch --flake ${flake}#${machine} --target-host $SSH_USER@$SSH_HOST --use-remote-sudo )
else
echo "_module.args.nixinate.buildOn is not set to a valid value of 'local' or 'remote'"
fi
'';
( set -x; NIX_SSHOPTS="-t" ${final.nixos-rebuild}/bin/nixos-rebuild ${switch} --flake ${flake}#${machine} --target-host ${user}@${host} --use-remote-sudo )
'');
in final.writeScript "deploy-${machine}.sh" script;
in
{
nixinate =
@ -46,7 +50,21 @@
(x:
{
type = "app";
program = toString (mkDeployScript x);
program = toString (mkDeployScript {
machine = x;
dryRun = false;
});
}
)
// nixpkgs.lib.genAttrs
(map (a: a + "-dry-run") validMachines)
(x:
{
type = "app";
program = toString (mkDeployScript {
machine = x;
dryRun = true;
});
}
)
);