From a90068cc783dd19db28543492f84acf742ce64a2 Mon Sep 17 00:00:00 2001
From: Mattia Codato <mattia.codato@wuerth-phoenix.com>
Date: Wed, 5 Aug 2020 10:01:29 +0200
Subject: [PATCH] Check satellites Icinga version before relay the execute
 command message

---
 lib/icinga/apiactions.cpp | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/lib/icinga/apiactions.cpp b/lib/icinga/apiactions.cpp
index 9f139e540..86c8616d2 100644
--- a/lib/icinga/apiactions.cpp
+++ b/lib/icinga/apiactions.cpp
@@ -813,6 +813,21 @@ Dictionary::Ptr ApiActions::ExecuteCommand(const ConfigObject::Ptr& object,
 	if (local) {
 		ClusterEvents::ExecuteCommandAPIHandler(origin, execParams);
 	} else {
+		/* Check if the child endpoints have Icinga version >= 2.13 */
+		Zone::Ptr localZone = Zone::GetLocalZone();
+		for (const Zone::Ptr& zone : ConfigType::GetObjectsByType<Zone>()) {
+			/* Fetch immediate child zone members */
+			if (zone->GetParent() == localZone) {
+				std::set<Endpoint::Ptr> endpoints = zone->GetEndpoints();
+
+				for (const Endpoint::Ptr& childEndpoint : endpoints) {
+					if (childEndpoint->GetIcingaVersion() < 21300) {
+						return ApiActions::CreateResult(400, "Endpoint '" + childEndpoint->GetName() + "' has version < 2.13.");
+					}
+				}
+			}
+		}
+
 		Dictionary::Ptr execMessage = new Dictionary();
 		execMessage->Set("jsonrpc", "2.0");
 		execMessage->Set("method", "event::ExecuteCommand");