build nixos
Signed-off-by: Christine Dodrill <me@christine.website>
This commit is contained in:
parent
2e32a4e4bf
commit
6c6b4146dc
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@ -0,0 +1 @@
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*.qcow2
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44
main.go
44
main.go
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@ -44,6 +44,16 @@ func main() {
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rand.Seed(time.Now().Unix())
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rand.Seed(time.Now().Unix())
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flag.Parse()
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flag.Parse()
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cdir, err := os.UserCacheDir()
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if err != nil {
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log.Fatalf("can't find cache dir: %v", err)
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}
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cdir = filepath.Join(cdir, "within", "mkvm")
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os.MkdirAll(filepath.Join(cdir, "nixos"), 0755)
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os.MkdirAll(filepath.Join(cdir, "qcow2"), 0755)
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os.MkdirAll(filepath.Join(cdir, "seed"), 0755)
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vmID := uuid.New().String()
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if *name == "" {
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if *name == "" {
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commonBladeName, err := getName()
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commonBladeName, err := getName()
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if err != nil {
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if err != nil {
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@ -59,6 +69,18 @@ func main() {
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var resultDistro Distro
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var resultDistro Distro
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var found bool
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var found bool
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qcowPath := filepath.Join(cdir, "nixos", vmID, "nixos.qcow2")
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if *distro == "nixos" {
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found = true
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resultDistro = Distro{
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Name: "nixos",
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DownloadURL: "file://" + qcowPath,
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Sha256Sum: "<computed after build>",
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MinSize: 8,
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}
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}
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for _, d := range distros {
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for _, d := range distros {
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if d.Name == *distro {
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if d.Name == *distro {
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found = true
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found = true
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@ -78,7 +100,11 @@ func main() {
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}
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}
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os.Exit(1)
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os.Exit(1)
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}
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}
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zvol := filepath.Join(*zvolPrefix, *name)
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zvol := filepath.Join(*zvolPrefix, *name)
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if resultDistro.Name != "nixos" {
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qcowPath = filepath.Join(cdir, "qcow2", resultDistro.Sha256Sum)
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}
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macAddress, err := randomMac()
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macAddress, err := randomMac()
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if err != nil {
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if err != nil {
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@ -90,8 +116,6 @@ func main() {
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log.Fatalf("can't connect to libvirt: %v", err)
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log.Fatalf("can't connect to libvirt: %v", err)
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}
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}
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vmID := uuid.New().String()
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log.Println("plan:")
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log.Println("plan:")
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log.Printf("name: %s", *name)
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log.Printf("name: %s", *name)
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log.Printf("zvol: %s (%d GB)", zvol, *zvolSize)
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log.Printf("zvol: %s (%d GB)", zvol, *zvolSize)
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@ -108,14 +132,6 @@ func main() {
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fmt.Print("press enter if this looks okay: ")
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fmt.Print("press enter if this looks okay: ")
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reader.ReadString('\n')
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reader.ReadString('\n')
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cdir, err := os.UserCacheDir()
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if err != nil {
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log.Fatalf("can't find cache dir: %v", err)
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}
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cdir = filepath.Join(cdir, "within", "mkvm")
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os.MkdirAll(filepath.Join(cdir, "qcow2"), 0755)
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os.MkdirAll(filepath.Join(cdir, "seed"), 0755)
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qcowPath := filepath.Join(cdir, "qcow2", resultDistro.Sha256Sum)
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_, err = os.Stat(qcowPath)
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_, err = os.Stat(qcowPath)
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if err != nil {
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if err != nil {
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log.Printf("downloading distro image %s to %s", resultDistro.DownloadURL, qcowPath)
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log.Printf("downloading distro image %s to %s", resultDistro.DownloadURL, qcowPath)
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@ -189,9 +205,11 @@ func main() {
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}
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}
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fout.Close()
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fout.Close()
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err = run("cp", *cloudConfig, filepath.Join(dir, "user-data"))
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if *distro != "nixos" {
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if err != nil {
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err = run("cp", *cloudConfig, filepath.Join(dir, "user-data"))
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log.Fatal(err)
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if err != nil {
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log.Fatal(err)
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}
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}
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}
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isoPath := filepath.Join(cdir, "seed", fmt.Sprintf("%s-%s.iso", *name, vmID))
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isoPath := filepath.Join(cdir, "seed", fmt.Sprintf("%s-%s.iso", *name, vmID))
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@ -0,0 +1,13 @@
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package main
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import "path/filepath"
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func mkNixOSImage(configFname, cacheDir, vmID string) (string, error) {
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outputFname := filepath.Join(cacheDir, "nixos", vmID+".qcow2")
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err := run("nix-shell", "-p", "nixos-generators", "--run", "nixos-generate -f qcow -o "+outputFname)
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if err != nil {
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return "", err
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}
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return outputFname, nil
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}
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@ -0,0 +1,12 @@
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{ config, pkgs, ... }:
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{
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users.users.xe = {
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isNormalUser = true;
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initialPassword = "hunter2";
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extraGroups = [ "wheel" ];
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openssh.authorizedKeys.keys = [
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"ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIPg9gYKVglnO2HQodSJt4z4mNrUSUiyJQ7b+J798bwD9"
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];
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};
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}
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