Merge pull request #5547 from ryanohnemus/feature/allow_package_upload_without_restart

Add optional reload parameter to config stage upload

doc/12-icinga2-api.md

@@ -1381,7 +1381,8 @@ Stages provide a way to maintain multiple configuration versions for a package.
 Send a `POST` request to the URL endpoint `/v1/config/stages` and add the name of an existing
 configuration package to the URL path (e.g. `example-cmdb`).
 The request body must contain the `files` attribute with the value being
-a dictionary of file targets and their content.
+a dictionary of file targets and their content. You can also specify an optional `reload` attribute
+that will tell icinga2 to reload after stage config validation. By default this is set to `true`.
 
 The file path requires one of these two directories inside its path:
 
@@ -1412,7 +1413,7 @@ intentional.
                 "code": 200.0,
                 "package": "example-cmdb",
                 "stage": "example.localdomain-1441625839-0",
-                "status": "Created stage."
+                "status": "Created stage. Icinga2 will reload."
             }
         ]
     }
@@ -1420,9 +1421,10 @@ intentional.
 The Icinga 2 API returns the `package` name this stage was created for, and also
 generates a unique name for the `stage` attribute you'll need for later requests.
 
-Icinga 2 automatically restarts the daemon in order to activate the new config stage.
+Icinga 2 automatically restarts the daemon in order to activate the new config stage. This
-If the validation for the new config stage failed, the old stage and its configuration objects
+can be disabled by setting `reload` to `false` in the request.
-will remain active.
+If the validation for the new config stage failed, the old stage
+and its configuration objects will remain active.
 
 > **Note**
 >

lib/remote/configpackageutility.cpp

@@ -176,7 +176,7 @@ void ConfigPackageUtility::ActivateStage(const String& packageName, const String
 	WritePackageConfig(packageName);
 }
 
-void ConfigPackageUtility::TryActivateStageCallback(const ProcessResult& pr, const String& packageName, const String& stageName)
+void ConfigPackageUtility::TryActivateStageCallback(const ProcessResult& pr, const String& packageName, const String& stageName, bool reload)
 {
 	String logFile = GetPackageDir() + "/" + packageName + "/" + stageName + "/startup.log";
 	std::ofstream fpLog(logFile.CStr(), std::ofstream::out | std::ostream::binary | std::ostream::trunc);
@@ -191,7 +191,9 @@ void ConfigPackageUtility::TryActivateStageCallback(const ProcessResult& pr, con
 	/* validation went fine, activate stage and reload */
 	if (pr.ExitStatus == 0) {
 		ActivateStage(packageName, stageName);
-		Application::RequestRestart();
+
+		if (reload)
+			Application::RequestRestart();
 	} else {
 		Log(LogCritical, "ConfigPackageUtility")
 		    << "Config validation failed for package '"
@@ -199,7 +201,7 @@ void ConfigPackageUtility::TryActivateStageCallback(const ProcessResult& pr, con
 	}
 }
 
-void ConfigPackageUtility::AsyncTryActivateStage(const String& packageName, const String& stageName)
+void ConfigPackageUtility::AsyncTryActivateStage(const String& packageName, const String& stageName, bool reload)
 {
 	VERIFY(Application::GetArgC() >= 1);
 
@@ -213,7 +215,7 @@ void ConfigPackageUtility::AsyncTryActivateStage(const String& packageName, cons
 
 	Process::Ptr process = new Process(Process::PrepareCommand(args));
 	process->SetTimeout(300);
-	process->Run(boost::bind(&TryActivateStageCallback, _1, packageName, stageName));
+	process->Run(boost::bind(&TryActivateStageCallback, _1, packageName, stageName, reload));
 }
 
 void ConfigPackageUtility::DeleteStage(const String& packageName, const String& stageName)

lib/remote/configpackageutility.hpp

@@ -51,7 +51,7 @@ public:
 	static std::vector<String> GetStages(const String& packageName);
 	static String GetActiveStage(const String& packageName);
 	static void ActivateStage(const String& packageName, const String& stageName);
-	static void AsyncTryActivateStage(const String& packageName, const String& stageName);
+	static void AsyncTryActivateStage(const String& packageName, const String& stageName, bool reload);
 
 	static std::vector<std::pair<String, bool> > GetFiles(const String& packageName, const String& stageName);
 
@@ -65,7 +65,7 @@ private:
 	static void WritePackageConfig(const String& packageName);
 	static void WriteStageConfig(const String& packageName, const String& stageName);
 
-	static void TryActivateStageCallback(const ProcessResult& pr, const String& packageName, const String& stageName);
+	static void TryActivateStageCallback(const ProcessResult& pr, const String& packageName, const String& stageName, bool reload);
 };
 
 }

lib/remote/configstageshandler.cpp

@@ -98,6 +98,10 @@ void ConfigStagesHandler::HandlePost(const ApiUser::Ptr& user, HttpRequest& requ
 	if (!ConfigPackageUtility::ValidateName(packageName))
 		return HttpUtility::SendJsonError(response, 400, "Invalid package name.");
 
+	bool reload = true;
+	if (params->Contains("reload"))
+		reload = HttpUtility::GetLastParameter(params, "reload");
+
 	Dictionary::Ptr files = params->Get("files");
 
 	String stageName;
@@ -109,7 +113,7 @@ void ConfigStagesHandler::HandlePost(const ApiUser::Ptr& user, HttpRequest& requ
 		stageName = ConfigPackageUtility::CreateStage(packageName, files);
 
 		/* validate the config. on success, activate stage and reload */
-		ConfigPackageUtility::AsyncTryActivateStage(packageName, stageName);
+		ConfigPackageUtility::AsyncTryActivateStage(packageName, stageName, reload);
 	} catch (const std::exception& ex) {
 		return HttpUtility::SendJsonError(response, 500,
 				"Stage creation failed.",
@@ -118,10 +122,13 @@ void ConfigStagesHandler::HandlePost(const ApiUser::Ptr& user, HttpRequest& requ
 
 	Dictionary::Ptr result1 = new Dictionary();
 
+	String responseStatus = "Created stage. ";
+	responseStatus += (reload ? " Icinga2 will reload." : " Icinga2 reload skipped.");
+
 	result1->Set("package", packageName);
 	result1->Set("stage", stageName);
 	result1->Set("code", 200);
-	result1->Set("status", "Created stage.");
+	result1->Set("status", responseStatus);
 
 	Array::Ptr results = new Array();
 	results->Add(result1);