/// <summary>
/// Tells the given server to start a new logfile and archive the old one.
/// </summary>
public ActionResult LogRotate(int id)
{
var server = ServerStatus.Get(id);
if (server == null)
{
TempData["flashError"] = "That server does not exist.";
return(RedirectToAction("Index", "Dashboard"));
}
var client = new MongoClient(string.Format(
"mongodb://{0}/?slaveOk=true", server.Name));
var conn = client.GetServer();
try
{
var result = conn.GetDatabase("admin").RunCommand("logRotate");
}
catch (MongoException e)
{
TempData["flashErrorTitle"] = "Error during log rotation";
TempData["flashError"] = e.Message;
return(RedirectToAction("Index", "Dashboard"));
}
TempData["flashSuccess"] = "Logs rotated on " + server.Name + ".";
return(RedirectToAction("Details", new { id = id }));
}
/// <summary>
/// Tells the given primary server to step down (elect another primary).
/// </summary>
public ActionResult StepDown(int id)
{
var server = ServerStatus.Get(id);
if (server == null)
{
TempData["flashError"] = "That server does not exist.";
return(RedirectToAction("Index", "Dashboard"));
}
var client = new MongoClient(string.Format("mongodb://{0}/", server.Name));
var conn = client.GetServer();
try
{
var result = conn.GetDatabase("admin").RunCommand("replSetStepDown");
return(RedirectToAction("Details", new { id = id }));
}
catch (EndOfStreamException)
{
// [PC] This occurs when the command succeeded - driver bug?
TempData["flashSuccessTitle"] = "Stepdown succeeded";
TempData["flashSuccess"] =
"It will take a few seconds for the replica set to come back online. Refresh the page manually.";
return(RedirectToAction("Index", "Dashboard"));
}
catch (MongoException e)
{
TempData["flashErrorTitle"] = "Error during stepdown";
TempData["flashError"] = e.Message;
return(RedirectToAction("Index", "Dashboard"));
}
}
//=========================================================================
//
// AJAX ACTIONS
//
//=========================================================================
/// <summary>
/// Fetches the instance log by connecting to its mongod server.
/// This is fast and cheap, but won't work if the instance is down.
/// </summary>
public JsonResult GetServerLog(int id)
{
var server = ServerStatus.Get(id);
var urlBuilder = new MongoUrlBuilder();
urlBuilder.ConnectTimeout = new TimeSpan(0, 0, 3);
urlBuilder.Server = MongoServerAddress.Parse(server.Name);
urlBuilder.ReadPreference = ReadPreference.SecondaryPreferred;
var client = new MongoClient(urlBuilder.ToMongoUrl());
var conn = client.GetServer();
try
{
var command = new CommandDocument
{
{ "getLog", "global" }
};
var result = conn.GetDatabase("admin").RunCommand(command);
return(Json(new { log = HtmlizeFromLogArray(result.
Response["log"].AsBsonArray) },
JsonRequestBehavior.AllowGet));
}
catch (MongoException e)
{
return(Json(new { error = e.Message },
JsonRequestBehavior.AllowGet));
}
}
/// <summary>
/// Tells the given server to start a new logfile and archive the old one.
/// </summary>
public ActionResult LogRotate(int id)
{
var server = ServerStatus.Get(id);
if (server == null)
{
TempData["flashError"] = "That server does not exist.";
return(RedirectToAction("Index", "Dashboard"));
}
var mongo = MongoServer.Create("mongodb://" + server.Name + "/?slaveOk=true");
try
{
var result = mongo["admin"].RunCommand("logRotate");
}
catch (MongoException e)
{
TempData["flashErrorTitle"] = "Error during log rotation";
TempData["flashError"] = e.Message;
return(RedirectToAction("Index", "Dashboard"));
}
TempData["flashSuccess"] = "Logs rotated on " + server.Name + ".";
return(RedirectToAction("Details", new { id = id }));
}
//=========================================================================
//
// REGULAR ACTIONS
//
//=========================================================================
/// <summary>
/// Shows details about one server.
/// </summary>
public ActionResult Details(int id)
{
var server = ServerStatus.Get(id);
if (server == null)
{
TempData["flashError"] = "That server does not exist.";
return(RedirectToAction("Index", "Dashboard"));
}
return(View(server));
}
//=========================================================================
//
// AJAX ACTIONS
//
//=========================================================================
/// <summary>
/// Fetches the instance log by connecting to its mongod server.
/// This is fast and cheap, but won't work if the instance is down.
/// </summary>
public JsonResult GetServerLog(int id)
{
var server = ServerStatus.Get(id);
var mongo = MongoServer.Create(new MongoServerSettings {
ConnectTimeout = new TimeSpan(0, 0, 3), Server = MongoServerAddress.Parse(server.Name), SlaveOk = true
});
try
{
var result = mongo["admin"]["$cmd"].FindOne(Query.EQ("getLog", "global"));
return(Json(new { log = HtmlizeFromLogArray(result.AsBsonDocument["log"].AsBsonArray) }, JsonRequestBehavior.AllowGet));
}
catch (MongoException e)
{
return(Json(new { error = e.Message }, JsonRequestBehavior.AllowGet));
}
}