feat: publish Tend v0.2 Preview 2 source

Export the reviewed allowlisted snapshot from private source commit 8aab3db43f35e6a49aa497f45d73701b13fc9f32 and tree 992132ea4703437dc13ffdbb04a077816c02caf9. This includes routed singleton continuity, deployment evidence, strict schema-2 configuration, restricted transport, and the independently compilable public-tree guard. AI-Assisted: OpenAI Codex Signed-off-by: Cole Speelman <crspeelman@gmail.com>
2026-08-18 06:40:58 -04:00
parent 00d1dd4209
commit 9d9fc83dd0
33 changed files with 1463 additions and 150 deletions
@@ -56,9 +56,11 @@ type Deployment struct {
 	Root                 string        `json:"root"`
 	LockFile             string        `json:"lock_file"`
 	StateFile            string        `json:"state_file"`
+	EventLog             string        `json:"event_log"`
 	HealthPath           string        `json:"health_path"`
 	ReadinessPath        string        `json:"readiness_path"`
 	CandidateTimeoutSecs int           `json:"candidate_timeout_seconds"`
+	ActivationWindowSecs int           `json:"activation_window_seconds"`
 	Smoke                []Smoke       `json:"smoke"`
 	PublicSmoke          []PublicSmoke `json:"public_smoke"`
 	BlueGreen            *BlueGreen    `json:"blue_green,omitempty"`
@@ -91,12 +93,15 @@ type Slot struct {
 }

 type Singleton struct {
-	Unit             string `json:"unit"`
-	Address          string `json:"address"`
-	CandidateAddress string `json:"candidate_address"`
-	ListenEnv        string `json:"listen_env"`
-	CurrentLink      string `json:"current_link"`
-	PreviousLink     string `json:"previous_link"`
+	Unit                 string `json:"unit"`
+	Address              string `json:"address"`
+	CandidateAddress     string `json:"candidate_address"`
+	ListenEnv            string `json:"listen_env"`
+	CurrentLink          string `json:"current_link"`
+	PreviousLink         string `json:"previous_link"`
+	CaddyConfig          string `json:"caddy_config"`
+	CaddyHandler         string `json:"caddy_handler"`
+	CaddyHandlerTemplate string `json:"caddy_handler_template"`
 }

 func Load(path string) (Config, error) {
@@ -187,12 +192,21 @@ func (c Config) Validate() error {
 	if filepath.Clean(d.StateFile) == filepath.Clean(d.Root) || !within(d.Root, d.StateFile) {
 		return errors.New("deployment.state_file must be below deployment.root")
 	}
+	if err := safeAbsolute("deployment.event_log", d.EventLog); err != nil {
+		return err
+	}
+	if filepath.Clean(d.EventLog) == filepath.Clean(d.Root) || !within(d.Root, d.EventLog) || filepath.Clean(d.EventLog) == filepath.Clean(d.StateFile) {
+		return errors.New("deployment.event_log must be a distinct file below deployment.root")
+	}
 	if !safeHTTPPath(d.HealthPath) || !safeHTTPPath(d.ReadinessPath) {
 		return errors.New("health and readiness paths must be absolute HTTP paths")
 	}
 	if d.CandidateTimeoutSecs < 2 || d.CandidateTimeoutSecs > 300 {
 		return errors.New("candidate_timeout_seconds must be between 2 and 300")
 	}
+	if d.ActivationWindowSecs < 1 || d.ActivationWindowSecs > 120 {
+		return errors.New("activation_window_seconds must be between 1 and 120")
+	}
 	if len(d.Smoke) == 0 || len(d.Smoke) > 32 {
 		return errors.New("deployment.smoke must contain 1 to 32 checks")
 	}
@@ -298,6 +312,14 @@ func validateSingleton(root string, s Singleton) error {
 	if s.CurrentLink == s.PreviousLink {
 		return errors.New("current and previous links must differ")
 	}
+	for label, path := range map[string]string{"caddy_config": s.CaddyConfig, "caddy_handler": s.CaddyHandler, "caddy_handler_template": s.CaddyHandlerTemplate} {
+		if err := safeAbsolute("deployment.singleton."+label, path); err != nil {
+			return err
+		}
+	}
+	if filepath.Clean(s.CaddyHandler) == filepath.Clean(s.CaddyHandlerTemplate) {
+		return errors.New("singleton Caddy handler and template must be different files")
+	}
 	return nil
 }

@@ -14,8 +14,8 @@ func validConfig() Config {
 		Build:         Build{Package: "./cmd/site", Binary: "example-site", Branch: "main"},
 		Deployment: Deployment{
 			Strategy: "blue_green", Root: "/opt/example-site", LockFile: SharedLockFile,
-			StateFile: "/opt/example-site/state.json", HealthPath: "/healthz", ReadinessPath: "/readyz",
-			CandidateTimeoutSecs: 30, Smoke: []Smoke{{Path: "/", Contains: "Example"}},
+			StateFile: "/opt/example-site/state.json", EventLog: "/opt/example-site/deployment-events.jsonl", HealthPath: "/healthz", ReadinessPath: "/readyz",
+			CandidateTimeoutSecs: 30, ActivationWindowSecs: 10, Smoke: []Smoke{{Path: "/", Contains: "Example"}},
 			PublicSmoke: []PublicSmoke{{URL: "https://example.test/", Contains: "Example"}},
 			BlueGreen: &BlueGreen{
 				CaddyConfig: "/etc/caddy/Caddyfile", CaddyHandler: "/etc/caddy/example.caddy",
@@ -34,6 +34,24 @@ func TestValidateAcceptsBlueGreen(t *testing.T) {
 	}
 }

+func TestValidateSingletonRequiresDistinctCaddyHandoffFiles(t *testing.T) {
+	cfg := validConfig()
+	cfg.Deployment.Strategy = "singleton_candidate"
+	cfg.Deployment.BlueGreen = nil
+	cfg.Deployment.Singleton = &Singleton{
+		Unit: "example-site.service", Address: "127.0.0.1:8092", CandidateAddress: "127.0.0.1:18092", ListenEnv: "EXAMPLE_LISTEN",
+		CurrentLink: "/opt/example-site/current", PreviousLink: "/opt/example-site/previous", CaddyConfig: "/etc/caddy/Caddyfile",
+		CaddyHandler: "/etc/caddy/example-site.caddy", CaddyHandlerTemplate: "/etc/tend/caddy/example-site.template",
+	}
+	if err := cfg.Validate(); err != nil {
+		t.Fatal(err)
+	}
+	cfg.Deployment.Singleton.CaddyHandlerTemplate = cfg.Deployment.Singleton.CaddyHandler
+	if err := cfg.Validate(); err == nil {
+		t.Fatal("expected shared handler/template path to be rejected")
+	}
+}
+
 func TestValidateRejectsHostileValues(t *testing.T) {
 	tests := map[string]func(*Config){
 		"unknown strategy":    func(c *Config) { c.Deployment.Strategy = "shell" },