this repo has no description
feat(nixos): initial install with nixos-anywhere
Needs to wire this to the API.
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README.md
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README.md
···
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"first machine in the data center" problem: in bare-metal setups with
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persistent PXE servers, you would otherwise need to automate the installation
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of the PXE server itself.
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[^2]: Using the provided examples with a warm cache. Factors that affect the
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speed include whether the configuration has been cached in the Nix store,
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the size of the NixOS configuration, the network speed, etc.
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[^2]: Using the provided examples with a warm cache on a 1 Gbps network.
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Factors that affect the speed include whether the configuration has been
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cached in the Nix store, the size of the NixOS configuration, the network
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speed, etc.
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## Usage
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+5
cmd/nixie/main.go
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cmd/nixie/main.go
···
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}()
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log.Info("API server started", "address", address)
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// TODO IMPORTANT obviously, should be API call
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// TODO IMPORTANT support SSH key
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log.Info("installing NixOS", "host", "192.168.1.8", "flake", "./examples#machine1")
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nixos.Install(ctx, "./examples#machine1", "root", "192.168.1.8", "nixos-installer", flags.Debug)
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sigCh := make(chan os.Signal, 1)
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signal.Notify(sigCh, syscall.SIGINT, syscall.SIGTERM)
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examples/flake.nix
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examples/flake.nix
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internal/nixos/anywhere.go
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internal/nixos/anywhere.go
···
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package nixos
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import (
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"context"
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"fmt"
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"os"
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"os/exec"
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)
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func Install(ctx context.Context, flakeRef, user, host, password string, debug bool) error {
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cmd := exec.CommandContext(
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ctx,
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"nixos-anywhere",
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"--flake", flakeRef,
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"--target-host", fmt.Sprintf("%s@%s", user, host),
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"--env-password",
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// In the case of PXE boot, where target machines are usually on the same LAN as the one running Nixie,
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// pushing from the Nix store where Nixie is running is usually faster than pulling from a remote cache over the internet.
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// Additionally, it's air-gapped.
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"--no-substitute-on-destination",
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)
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cmd.Env = append(os.Environ(), fmt.Sprintf("SSHPASS=%s", password))
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if debug {
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cmd.Stdout = os.Stdout
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cmd.Stderr = os.Stderr
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}
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return cmd.Run()
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}