mesh-host/packaging/operator_keys_test.go

package packaging_test

import (
	"encoding/json"
	"os"
	"strings"
	"testing"

	"git.novox.be/novox/mesh-sdk/go/catalogue"
)

// The operator's public keys reach every node as a file beside the state file, fed by a setting of the node-engine
// (novox/hq ADR 0539 clauses 3 and 11): the node agent reads it, and a composition made by hand is applied only when one
// of these keys signed it. The setting may be empty, and then no operator key is trusted.
func TestTheManifestDeclaresTheOperatorKeysFileFedByASetting(t *testing.T) {
	raw, err := os.ReadFile("../module.json")
	if err != nil {
		t.Fatal(err)
	}
	if _, err := catalogue.Decode(raw); err != nil {
		t.Fatalf("the manifest no longer parses: %v", err)
	}
	var m struct {
		Config map[string]struct {
			Type    string `json:"type"`
			Default any    `json:"default"`
		} `json:"config"`
		Resources []struct {
			ID      string `json:"id"`
			Type    string `json:"type"`
			Path    string `json:"path"`
			Mode    string `json:"mode"`
			Content string `json:"content"`
		} `json:"resources"`
	}
	if err := json.Unmarshal(raw, &m); err != nil {
		t.Fatal(err)
	}
	setting, ok := m.Config["operator-signers"]
	if !ok || setting.Type != "string" || setting.Default != "" {
		t.Fatalf("the setting operator-signers is %+v: a string that may be empty", setting)
	}
	for _, r := range m.Resources {
		if r.ID != "operator-keys" {
			continue
		}
		if r.Type != "file" || r.Path != "/var/lib/mesh-host/operator-keys" || r.Mode != "0644" ||
			!strings.Contains(r.Content, "${config:operator-signers}") {
			t.Fatalf("the file is %+v: it is declared beside the state file, 0644, its content the setting", r)
		}
		return
	}
	t.Fatal("module.json declares no operator-keys file")
}

// The node agent hears the end of a backup on the event of node-backup's holder, so the manifest consumes it.
func TestTheManifestConsumesTheBackupEvent(t *testing.T) {
	raw, err := os.ReadFile("../module.json")
	if err != nil {
		t.Fatal(err)
	}
	var m struct {
		Consumes []string `json:"consumes"`
	}
	if err := json.Unmarshal(raw, &m); err != nil {
		t.Fatal(err)
	}
	if len(m.Consumes) != 1 || m.Consumes[0] != "restic.backed-up" {
		t.Fatalf("consumes %v", m.Consumes)
	}
	// 774: the acts bucket mesh-host_acts is not declared as state for now: a declared state of a module with no account
	// of its own is carried by every node's tool runner, which would be a second writer of the engine's own keys and
	// has the grants part refuse the whole user list (2026-10-30). It comes back once the runtime never carries the engine.
	parsed, err := catalogue.Decode(raw)
	if err != nil {
		t.Fatal(err)
	}
	// ADR 0614 §4: the node-engine's own manifest uses only words every running engine reads (the baseline, what an engine
	// stating none is read as), so its new build is never held for a word only it reads.
	if needs, err := catalogue.ManifestNeeds(raw); err != nil || len(needs) == 0 {
		t.Fatalf("the manifest's needs: %v, %v", needs, err)
	} else if missing := catalogue.MissingManifestReads(needs, nil); len(missing) != 0 {
		t.Errorf("the manifest needs %v, which an engine stating nothing does not read: its new build would be held", missing)
	}
	// 774 (the alert table): the state health, one key per node, the node's own health report, kept until
	// written again (no TTL: a node that stops writing keeps its last word, which the watchman reads with its time).
	// ADR 0577 clause 1: and the state data, one key per module placed on the node that declares data items, kept until
	// the module leaves the node; created by the grants part from this manifest as health is.
	// ADR 0565 clause 6: and the state packages, one key per node, its compositions' declared packages, read by pacman.
	if len(parsed.State) != 3 || parsed.State[0].Name != "health" || parsed.State[0].TTLSeconds != 0 ||
		parsed.State[1].Name != "data" || parsed.State[1].TTLSeconds != 0 || parsed.State[2].Name != "packages" ||
		parsed.State[2].TTLSeconds != 0 {
		t.Fatalf("the manifest declares the state %+v", parsed.State)
	}
}