first commit

platform/validator/server_lifecycle.go

@@ -0,0 +1,50 @@
+package validator
+
+import (
+	"fmt"
+	"strings"
+
+	"browser.local/platform/domain"
+)
+
+const maxLifecycleIdempotencyKeyLength = 160
+
+func ValidateServerLifecycleCreate(create domain.ServerLifecycleCreate) error {
+	var violations []string
+	violations = appendRequired(violations, "id", create.ID)
+	violations = appendRequired(violations, "pluginId", create.PluginID)
+	violations = appendRequired(violations, "runEndpointId", create.RunEndpointID)
+	violations = appendRequired(violations, "name", create.Name)
+	violations = appendLifecycleIdempotencyViolations(violations, create.IdempotencyKey)
+	return finish(violations)
+}
+
+func ValidateServerLifecycleCommand(command domain.ServerLifecycleCommand) error {
+	var violations []string
+	violations = appendRequired(violations, "serverInstanceId", command.ServerInstanceID)
+	if command.ExpectedConfigVersion <= 0 {
+		violations = append(violations, "expectedConfigVersion must be positive")
+	}
+	violations = appendLifecycleIdempotencyViolations(violations, command.IdempotencyKey)
+	return finish(violations)
+}
+
+func ValidateServerLifecycleAction(action domain.ServerLifecycleAction) error {
+	switch action {
+	case domain.ServerLifecycleActionCreate, domain.ServerLifecycleActionStart, domain.ServerLifecycleActionStop:
+		return nil
+	default:
+		return ValidationError{Violations: []string{fmt.Sprintf("action %q is invalid", action)}}
+	}
+}
+
+func appendLifecycleIdempotencyViolations(violations []string, key string) []string {
+	violations = appendRequired(violations, "idempotencyKey", key)
+	if len(key) > maxLifecycleIdempotencyKeyLength {
+		violations = append(violations, "idempotencyKey is too long")
+	}
+	if strings.TrimSpace(key) != key {
+		violations = append(violations, "idempotencyKey must not have surrounding whitespace")
+	}
+	return violations
+}