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Make runtime defaults portable

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Stop assuming one workstation layout for runtime artifacts, mapdns, and host tooling. The daemon and shell helpers now use portable mapdns configuration, and runtime bundles can carry bundle.json metadata for their default kernel, initrd, modules, rootfs, and helper paths.

Load bundle metadata through config with a legacy layout fallback, thread mapdns_bin/mapdns_data_file through the Go and shell paths, and add command-scoped preflight checks for VM start, NAT, image build, work-disk resize, and SSH so missing tools or artifacts fail with actionable errors.

Update the runtime-bundle manifest, docs, and tests to match the new model. Verified with go test ./..., make build, and bash -n customize.sh interactive.sh dns.sh make-rootfs.sh verify.sh.
This commit is contained in:
Thales Maciel 2026-03-16 15:30:08 -03:00
parent 238bb8a020
commit fcedacba5c
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GPG key ID: 33112E6833C34679
23 changed files with 927 additions and 96 deletions
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34
internal/cli/cli_test.go
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@ -4,6 +4,7 @@ import (
"os"
"path/filepath"
"reflect"
"strings"
"testing"
"banger/internal/api"
@ -39,6 +40,20 @@ func TestVMCreateFlagsExist(t *testing.T) {
}
}
func TestVMKillFlagsExist(t *testing.T) {
root := NewBangerCommand()
vm, _, err := root.Find([]string{"vm"})
if err != nil {
t.Fatalf("find vm: %v", err)
}
kill, _, err := vm.Find([]string{"kill"})
if err != nil {
t.Fatalf("find kill: %v", err)
}
if kill.Flags().Lookup("signal") == nil {
t.Fatal("missing signal flag")
}
}
func TestVMSetParamsFromFlags(t *testing.T) {
params, err := vmSetParamsFromFlags("devbox", 4, 2048, "16G", true, false)
@ -82,6 +97,25 @@ func TestSSHCommandArgs(t *testing.T) {
}
}
func TestValidateSSHPrereqs(t *testing.T) {
dir := t.TempDir()
keyPath := filepath.Join(dir, "id_ed25519")
if err := os.WriteFile(keyPath, []byte("key"), 0o600); err != nil {
t.Fatalf("write key: %v", err)
}
if err := validateSSHPrereqs(model.DaemonConfig{SSHKeyPath: keyPath}); err != nil {
t.Fatalf("validateSSHPrereqs: %v", err)
}
}
func TestValidateSSHPrereqsFailsForMissingKey(t *testing.T) {
err := validateSSHPrereqs(model.DaemonConfig{SSHKeyPath: "/does/not/exist"})
if err == nil || !strings.Contains(err.Error(), "ssh private key") {
t.Fatalf("validateSSHPrereqs() error = %v, want missing key", err)
}
}
func TestNewBangerdCommandRejectsArgs(t *testing.T) {
cmd := NewBangerdCommand()
cmd.SetArgs([]string{"extra"})