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flake.nix
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flake.nix
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{
description = "Consul Deploy";
inputs = {
nixpkgs.url = "github:NixOS/nixpkgs/c41b26e688ff";
# terraform module
terranix = {
url = "github:terranix/terranix";
inputs.nixpkgs.follows = "nixpkgs";
};
# generate imgs
nixos-generators = {
url = "github:nix-community/nixos-generators";
inputs.nixpkgs.follows = "nixpkgs";
};
};
outputs = { self, nixpkgs, terranix, nixos-generators, ... }@inputs:
let
pkgs = import nixpkgs {
inherit system;
overlays = [ self.overlays.default ];
};
system = "x86_64-linux";
genConfig = env:
terranix.lib.terranixConfiguration {
inherit system pkgs;
modules = [ ./provision/${env} ./env/${env}/config.nix ];
};
libvirtConfig = genConfig "libvirt";
gcpConfig = genConfig "gcp";
azureConfig = genConfig "azure";
in {
# overlay
overlays = import ./overlays;
# Packages
packages.${system} = {
devShell = import ./devShell.nix ({ inherit pkgs system; } // inputs);
# nix build .#qcow
qcow = nixos-generators.nixosGenerate {
inherit pkgs;
modules = [
# minimal libvirt
./generators/minimal-libvirt.nix
];
format = "qcow";
};
# nix build .#gce
gce = nixos-generators.nixosGenerate {
inherit pkgs;
modules = [
# minimal gcp
./generators/minimal-gcp.nix
];
format = "gce";
};
# nix build .#azure
azure = nixos-generators.nixosGenerate {
inherit pkgs;
modules = [
# minimal gcp
./generators/minimal-azure.nix
];
format = "azure";
};
};
devShells.${system}.default = self.packages.${system}.devShell;
# Apps
apps.${system} = {
# nix run
default = self.apps.${system}.apply;
# nix run ".#apply"
# defaults to libvirt
apply = self.apps.${system}.apply-libvirt;
# nix run ".#apply-libvirt"
apply-libvirt = {
type = "app";
program = toString (pkgs.writers.writeBash "apply-libvirt" ''
scripts/terranix-apply.sh "libvirt" ${libvirtConfig}
'');
};
# nix run ".#apply-gcp"
apply-gcp = {
type = "app";
program = toString (pkgs.writers.writeBash "apply-gcp" ''
scripts/terranix-apply.sh "gcp" ${gcpConfig}
'');
};
# nix run ".#apply-azure"
apply-azure = {
type = "app";
program = toString (pkgs.writers.writeBash "apply-azure" ''
scripts/terranix-apply.sh "azure" ${azureConfig}
'');
};
# nix run ".#destroy"
# defaults to libvirt
destroy = self.apps.${system}.destroy-libvirt;
# nix run ".#destroy-libvirt"
destroy-libvirt = {
type = "app";
program = toString (pkgs.writers.writeBash "destroy-libvirt" ''
scripts/terranix-destroy.sh "libvirt" ${libvirtConfig}
'');
};
# nix run ".#destroy-gcp
destroy-gcp = {
type = "app";
program = toString (pkgs.writers.writeBash "destroy-gcp" ''
scripts/terranix-destroy.sh "gcp" ${gcpConfig}
'');
};
# nix run ".#destroy-azure
destroy-azure = {
type = "app";
program = toString (pkgs.writers.writeBash "destroy-azure" ''
scripts/terranix-destroy.sh "azure" ${azureConfig}
'');
};
# nix run ".#clean-ssh"
# defaults to libvirt
clean-ssh = self.apps.${system}.clean-ssh-libvirt.program;
# nix run ".#clean-ssh-libvirt"
clean-ssh-libvirt = {
type = "app";
program = toString (pkgs.writers.writeBash "clean-ssh-libvirt" ''
./scripts/clean-ssh.sh libvirt
'');
};
# nix run ".#clean-ssh-gcp"
clean-ssh-gcp = {
type = "app";
program = toString (pkgs.writers.writeBash "clean-ssh-gcp" ''
./scripts/clean-ssh.sh gcp
'');
};
# nix run ".#clean-ssh-azure"
clean-ssh-azure = {
type = "app";
program = toString (pkgs.writers.writeBash "clean-ssh-azure" ''
./scripts/clean-ssh.sh azure
'');
};
# nix run ".#deploy"
# defaults to libvirt
deploy = {
type = "app";
program = self.apps.${system}.deploy-libvirt.program;
};
# nix run ".#deploy-libvirt"
deploy-libvirt = {
type = "app";
program = toString (pkgs.writers.writeBash "deploy-libvirt" ''
set -euo pipefail
./scripts/clean-ssh.sh libvirt
${pkgs.colmena}/bin/colmena apply --on @libvirt
'');
};
# nix run ".#deploy-gcp"
deploy-gcp = {
type = "app";
program = toString (pkgs.writers.writeBash "deploy-gcp" ''
set -euo pipefail
./scripts/clean-ssh.sh gcp
${pkgs.colmena}/bin/colmena apply --on @gcp
'');
};
# nix run ".#deploy-azure"
deploy-azure = {
type = "app";
program = toString (pkgs.writers.writeBash "deploy-azure" ''
set -euo pipefail
./scripts/clean-ssh.sh gcp
${pkgs.colmena}/bin/colmena apply --on @azure
'');
};
# nix run ".#local-vault"
local-vault = {
type = "app";
program = toString (pkgs.writers.writeBash "local-vault" ''
set -euo pipefail
cd arion/
arion up
'');
};
# nix run ".#local-k8s"
local-k8s = {
type = "app";
program = toString (pkgs.writers.writeBash "local-k8s" ''
set -euo pipefail
scripts/k8s/local-k8s.sh
# scripts/k8s/configure.sh
'');
};
};
# deploy
colmena = let
# read attributes from ouput.json gerated by `nix run .#apply`
inherit (builtins) fromJSON readFile foldl' attrNames;
inherit (pkgs.lib.cfg) attrsMap;
keys = import ./keys; # datacenter: {...}
genOutput = env:
let output = fromJSON (readFile ./env/${env}/output.json);
in (attrsMap output (name:
let host = output.${name}.value;
in {
# generate hosts by name prefix
${name} = {
imports = [ ./generators/minimal-${env}.nix ];
deployment = {
tags = [ env ];
targetHost = host.ip.pub;
keys = import ./keys;
};
};
})).content;
in {
meta = { nixpkgs = pkgs; };
defaults = import ./deploys/consul;
} // (genOutput "libvirt") // (genOutput "gcp") // (genOutput "azure");
};
}