thaloco/banger
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Add experimental Void guest workflow and vsock agent

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Make iterating on a Firecracker-friendly Void guest practical without replacing the Debian default image path.

Add local Void rootfs build/register/verify plumbing, a language-agnostic dev package baseline, and guest SSH/work-disk hardening so new images use the runtime bundle key, keep a normal root bash environment, and repair stale nested /root layouts on restart.

Replace the guest PING/PONG responder with an HTTP /healthz agent over vsock, rename the runtime bundle and config surface from ping helper to agent while still accepting the legacy keys, and route the post-SSH reminder through the new vm.health path.

Validated with GOCACHE=/tmp/banger-gocache go test ./..., make build, bash -n customize.sh make-rootfs-void.sh, and git diff --check.
This commit is contained in:
Thales Maciel 2026-03-19 14:51:25 -03:00
parent c8d9a122f9
commit 3ed78fdcfc
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GPG key ID: 33112E6833C34679
42 changed files with 2222 additions and 388 deletions
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20
internal/cli/tui_test.go
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@ -238,13 +238,13 @@ func TestTUIStatusIncludesStageDurationsAfterInitialLoad(t *testing.T) {
}
}
func TestSSHDoneMsgShowsReminderWhenPingAlive(t *testing.T) {
origPing := vmPingFunc
func TestSSHDoneMsgShowsReminderWhenHealthCheckPasses(t *testing.T) {
origHealth := vmHealthFunc
t.Cleanup(func() {
vmPingFunc = origPing
vmHealthFunc = origHealth
})
vmPingFunc = func(ctx context.Context, socketPath, idOrName string) (api.VMPingResult, error) {
return api.VMPingResult{Name: "devbox", Alive: true}, nil
vmHealthFunc = func(ctx context.Context, socketPath, idOrName string) (api.VMHealthResult, error) {
return api.VMHealthResult{Name: "devbox", Healthy: true}, nil
}
msg := sshDoneMsg(paths.Layout{SocketPath: "/tmp/bangerd.sock"}, actionRequest{id: "devbox", name: "devbox"}, "devbox", nil)
@ -257,13 +257,13 @@ func TestSSHDoneMsgShowsReminderWhenPingAlive(t *testing.T) {
}
}
func TestSSHDoneMsgShowsWarningWhenPingFails(t *testing.T) {
origPing := vmPingFunc
func TestSSHDoneMsgShowsWarningWhenHealthCheckFails(t *testing.T) {
origHealth := vmHealthFunc
t.Cleanup(func() {
vmPingFunc = origPing
vmHealthFunc = origHealth
})
vmPingFunc = func(ctx context.Context, socketPath, idOrName string) (api.VMPingResult, error) {
return api.VMPingResult{}, errors.New("dial failed")
vmHealthFunc = func(ctx context.Context, socketPath, idOrName string) (api.VMHealthResult, error) {
return api.VMHealthResult{}, errors.New("dial failed")
}
msg := sshDoneMsg(paths.Layout{SocketPath: "/tmp/bangerd.sock"}, actionRequest{id: "devbox", name: "devbox"}, "devbox", nil)