public ActionResult Create([Bind(Include = "ContactId,FirstName,LastName,EmailAddress,PhoneNumber")] Contact contact)
{
if (ModelState.IsValid)
{
db.Contacts.Add(contact);
db.SaveChanges();
return(RedirectToAction("Index"));
}
return(View(contact));
}
public ActionResult Create([Bind(Include = "HardwareId,Board,Camera")] Hardware hardware)
{
if (ModelState.IsValid)
{
db.Hardware.Add(hardware);
db.SaveChanges();
return(RedirectToAction("Index"));
}
return(View(hardware));
}
public ActionResult Create([Bind(Include = "CommandId,Cmd,Timestamp,CommandStatus,IsmDeviceId")] Command command)
{
if (ModelState.IsValid)
{
db.Commands.Add(command);
db.SaveChanges();
return(RedirectToAction("Index"));
}
ViewBag.IsmDeviceId = new SelectList(db.IsmDevices, "IsmDeviceId", "DeviceId", command.IsmDeviceId);
return(View(command));
}
public ActionResult Create([Bind(Include = "LocationId,Country,City,PostalCode,Street,StreetNumber,ContactId")] Location location)
{
if (ModelState.IsValid)
{
db.Locations.Add(location);
db.SaveChanges();
return(RedirectToAction("Index"));
}
ViewBag.ContactId = new SelectList(db.Contacts, "ContactId", "FirstName", location.ContactId);
return(View(location));
}
public ActionResult Create([Bind(Include = "FilamentDataId,Time,FC,FL,H1,H2,H3,H4,H5,H6,H7,H8,H9,H10,IsmDeviceId,DeviceId,BlobUriImg,BlobUriColoredImg")] FilamentData filamentData)
{
if (ModelState.IsValid)
{
db.FilamentData.Add(filamentData);
db.SaveChanges();
return(RedirectToAction("Index"));
}
ViewBag.IsmDeviceId = new SelectList(db.IsmDevices, "IsmDeviceId", "DeviceId", filamentData.IsmDeviceId);
return(View(filamentData));
}
public async Task <ActionResult> Approve(int?id)
{
// Check that an ID has been passed
if (id == null)
{
return(new HttpStatusCodeResult(HttpStatusCode.BadRequest));
}
var newDevice = db.NewDevices.Find(id);
// Check that device exists
if (newDevice == null)
{
return(HttpNotFound());
}
// If device has already been approved, don't go any further
if (newDevice.Approved)
{
return(RedirectToAction("Index"));
}
// Create new IsmDevice to add to databasse
var device = new IsmDevice
{
DeviceId = newDevice.DeviceId,
HardwareId = newDevice.HardwareId,
SoftwareId = newDevice.ReleaseId,
LocationId = newDevice.LocationId,
UpdateStatus = IsmIoTSettings.UpdateStatus.READY
};
// Add to DB
db.IsmDevices.Add(device);
db.SaveChanges();
// Try to add to IoT Hub
try
{
await AddDeviceAsync(device.DeviceId);
// Approve device if exception hasn't been thrown
newDevice.Approved = true;
db.SaveChanges();
}
catch (Exception)
{
// Anzeigen, dass etwas schief ging
// Eintrag aus DB entfernen
db.IsmDevices.Remove(device);
db.SaveChanges();
}
return(RedirectToAction("Index"));
}
private void UpdateFirmwareUpdateStatus(UpdateState updateState)
{
using (IsmIoTPortalContext db = new IsmIoTPortalContext())
{
// Get reference to device
string deviceId = updateState.DeviceId;
var device = db.IsmDevices.FirstOrDefault(d => d.DeviceId.Equals(deviceId));
if (device == null)
{
this.OnLogMessage(new LogMessageEventArgs(String.Format("{0} > UpdateFirmwareUpdateStatus Error: DeviceId unknown.<br>", DateTime.Now.ToString())));
return;
}
// Check update status for error
if (updateState.FwUpdateStatus.Contains("Error"))
{
device.UpdateStatus = updateState.FwUpdateStatus;
}
else
{
device.UpdateStatus = IsmIoTSettings.UpdateStatus.READY;
}
// Get reference to release
var release = db.Releases.FirstOrDefault(r => r.Name.Equals(updateState.Version));
if (release == null)
{
this.OnLogMessage(new LogMessageEventArgs(String.Format("{0} > UpdateFirmwareUpdateStatus Error: Release unknown.<br>", DateTime.Now.ToString())));
db.SaveChanges();
return;
}
device.UpdateMessage = updateState.Message;
var updateLog = new UpdateLog
{
IsmDeviceId = device.IsmDeviceId,
ReleaseId = release.SoftwareId,
LogData = updateState.Log,
Date = DateTime.Now
};
db.UpdateLogs.Add(updateLog);
device.SoftwareId = release.SoftwareId;
db.SaveChanges();
this.OnLogMessage(new LogMessageEventArgs(String.Format("{0} > UpdateFirmwareUpdateStatus Info: Update Log: {1} <br>", DateTime.Now.ToString(), updateState.Log)));
}
}
/// <summary>
/// API call to add new device to database.
/// </summary>
/// <param name="id">Identifier of the device</param>
/// <param name="loc">Location ID</param>
/// <param name="hw">Hardware ID</param>
/// <param name="sw">Software ID</param>
/// <returns>Device that was created.</returns>
public object Get(string id, int loc, int hw, int sw)
{
var err = new { Error = "An error occured." };
// Check Device ID against a whitelist of values to prevent XSS
if (!IsmIoTSettings.RegexHelper.Text.IsMatch(id))
{
return(err);
}
// If device with same ID already exists, return error
if (db.IsmDevices.Any(d => d.DeviceId == id) || db.NewDevices.Any(d => d.DeviceId == id))
{
return new { Error = "This device ID is already taken." }
}
;
// Generate random password of length 32 with at least 1 non-alphanumerical character
string password = System.Web.Security.Membership.GeneratePassword(32, 1);
// We create a hash of the password to store it in Database
// No need for salt since this scrypt implementation adds salt automatically (scrypt requires salt)
string hash = new ScryptEncoder().Encode(password);
var dev = new NewDevice
{
DeviceId = id,
HardwareId = hw,
LocationId = loc,
ReleaseId = sw,
Code = generator.Next(0, 999999).ToString("D6"),
Approved = false,
Password = hash
};
db.NewDevices.Add(dev);
db.SaveChanges();
return(new
{
Id = dev.DeviceId,
Code = dev.Code,
Password = password
});
}
public async Task <ActionResult> Create([Bind(Include = "IsmDeviceId,DeviceId,LocationId,SoftwareId,HardwareId")] IsmDevice ismDevice)
{
if (ModelState.IsValid)
{
// Zuerst einmal in DB anlegen
// Es darf nicht passieren, dass man einen eintrag in der Identity Registry anlegt
// und diesen nicht in der DB registriert (= Device Leak)
db.IsmDevices.Add(ismDevice);
db.SaveChanges();
try
{
await AddDeviceAsync(ismDevice.DeviceId);
}
catch (Exception)
{
// Anzeigen, dass etwas schief ging
// Eintrag aus DB entfernen
}
/*
* // Create Dashboard Queue for the new Device
* // http://stackoverflow.com/questions/30749945/create-azure-service-bus-queue-shared-access-policy-programmatically
* // http://www.cloudcasts.net/devguide/Default.aspx?id=12018
* //
* // Create a token provider with the relevant credentials.
* TokenProvider credentials = TokenProvider.CreateSharedAccessSignatureTokenProvider(IsmIoTSettings.Settings.sbRootSasName, IsmIoTSettings.Settings.sbRootSasKey);
* // Create a URI for the service bus.
* Uri serviceBusUri = ServiceBusEnvironment.CreateServiceUri("sb", IsmIoTSettings.Settings.sbNamespace, string.Empty);
* // Create a NamespaceManager for the specified namespace using the specified credentials.
* NamespaceManager namespaceManager = new NamespaceManager(serviceBusUri, credentials);
* string queueName = ismDevice.DeviceId; // Queue name equals DeviceId
* QueueDescription queueDescription = await namespaceManager.CreateQueueAsync(queueName);
*/
return(RedirectToAction("Index"));
}
ViewBag.HardwareId = new SelectList(db.Hardware, "HardwareId", "Board", ismDevice.HardwareId);
ViewBag.LocationId = new SelectList(db.Locations, "LocationId", "Country", ismDevice.LocationId);
ViewBag.SoftwareId = new SelectList(db.Software, "SoftwareId", "SoftwareVersion", ismDevice.SoftwareId);
return(View(ismDevice));
}
// GET: IsmDevices
public async Task <ActionResult> Index()
{
var ismDevices = db.IsmDevices.Include(i => i.Hardware).Include(i => i.Location).Include(i => i.Software);
// Get the whole Info from Identity Registry via a Device object for each DeviceId in DB
Dictionary <string, Device> devices = new Dictionary <string, Device>();
foreach (IsmDevice d in ismDevices)
{
Device device = await registryManager.GetDeviceAsync(d.DeviceId);
// If a device was offline during last firmware update and is now online again,
// Update the UpdateStatus to ready.
if (d.UpdateStatus == IsmIoTSettings.UpdateStatus.OFFLINE && device.ConnectionState == DeviceConnectionState.Connected)
{
d.UpdateStatus = IsmIoTSettings.UpdateStatus.READY;
}
devices.Add(d.DeviceId, device);
}
ViewBag.DeviceList = devices;
db.SaveChanges();
return(View(ismDevices.ToList()));
}
/*
* In the Changed event, RoleEnvironment.CurrentRoleInstance.Role.Instances returns the target role instances,
* not the original role instances. If you need to know about the original instances,
* you can save this information when the Changing event fires and access it from the Changed event
* (since these events are always fired in sequence).
*/
private void RoleEnvironmentChanged(object sender, RoleEnvironmentChangedEventArgs e)
{
targetNumOfInstances = RoleEnvironment.CurrentRoleInstance.Role.Instances.Count;
Logfile.Get(logfile).fTextout(Logging.Fontcolors.RED, "{0} > RoleEnvironmentChanged Eventhandler logging target instance count of {1} <br>", DateTime.Now.ToString(), targetNumOfInstances);
Logfile.Get(logfile).Update();
// The change is a downscale! Delete Mcr flag entry from db
if (originalNumOfInstances > targetNumOfInstances)
{
using (IsmIoTPortalContext db = new IsmIoTPortalContext())
{
try
{
// The highest role instance id was determined in the changing event
ImagingProcessorWorkerInstance entry = null;
var queryResults = db.ImagingProcessorWorkerInstances.Where(en => en.RoleInstanceId == highestRoleInstanceId);
if (queryResults.Count() > 0)
{
entry = queryResults.First();
}
if (lowestRoleInstanceId) // The role instance with the lowest id deletes the db entry in case of downscale.
{
Logfile.Get(logfile).fTextout(Logging.Fontcolors.RED, "{0} > Delete database entry with key {1} <br>", DateTime.Now.ToString(), highestRoleInstanceId);
Logfile.Get(logfile).Update();
// Delete entry from DB
db.ImagingProcessorWorkerInstances.Remove(entry);
db.SaveChanges();
}
}
catch (Exception ex)
{
Logfile.Get(logfile).fTextout(Logging.Fontcolors.RED, "{0} > Failed to delete McrInstalled flag DB entry. <br>", DateTime.Now.ToString());
Logfile.Get(logfile).fTextout(Logging.Fontcolors.RED, "{0} > Exception: {1} <br>", DateTime.Now.ToString(), ex.Message);
Logfile.Get(logfile).Update();
throw;
}
}
}
}
private static async Task ProcessCmdMessage(FeedbackRecord record)
{
using (var db = new IsmIoTPortalContext())
{
// Achtung .Substring(4), weil die ersten 3 Zeichen das Präfix "CMD" sind
int CommandId = Convert.ToInt32(record.OriginalMessageId.Substring(4)); // Beim Senden des Commands wurde der Schlüssel des DB Eintrages als MessageId angegeben
var entry = db.Commands.Where(c => c.CommandId == CommandId).First(); // Es gibt natürlich nur ein DB Eintrag mit dem Schlüssel CommandId
if (record.StatusCode == FeedbackStatusCode.Success)
{
db.Entry(entry).Entity.CommandStatus = CommandStatus.SUCCESS;
}
else // Rejected,...
{
db.Entry(entry).Entity.CommandStatus = CommandStatus.FAILURE;
}
db.Entry(entry).State = EntityState.Modified;
db.SaveChanges();
await signalRHelper.IsmDevicesIndexChangedTask();
}
}
private async Task RunAsync(CancellationToken cancellationToken)
{
// 1. Check if this is after restart and "MCR is installed" already
//
bool mcrAlreadyInstalled = false;
string line = "";
try
{
using (IsmIoTPortalContext db = new IsmIoTPortalContext())
{
ImagingProcessorWorkerInstance entry = null;
var queryResults = db.ImagingProcessorWorkerInstances.Where(e => e.RoleInstanceId == RoleEnvironment.CurrentRoleInstance.Id);
if (queryResults.Count() > 0)
{
entry = queryResults.First(); // Es gibt natürlich nur ein DB Eintrag mit dem Schlüssel RoleInstanceId
}
if (entry == null) // First start of this Instance -> Create and add new DB entry
{
//
entry = new ImagingProcessorWorkerInstance();
entry.RoleInstanceId = RoleEnvironment.CurrentRoleInstance.Id;
entry.McrInstalled = false;
entry.Timestamp = DateTime.UtcNow;
db.ImagingProcessorWorkerInstances.Add(entry);
db.SaveChanges();
// mcrAlreadyInstalled is still false
}
else
{
if (entry.McrInstalled == true)
{
mcrAlreadyInstalled = true;
}
}
}
}
catch (Exception ex)
{
Logfile.Get(logfile).fTextout(Logging.Fontcolors.RED, "{0} > Failed to use McrInstalled flag. <br>", DateTime.Now.ToString());
Logfile.Get(logfile).fTextout(Logging.Fontcolors.RED, "{0} > Exception: {1} <br>", DateTime.Now.ToString(), ex.Message);
Logfile.Get(logfile).Update();
mcrAlreadyInstalled = false;
}
// *************DEBUG*****************
mcrAlreadyInstalled = true; // DEBUG
// 2. Poll the MCR Installation Log if mcrAlreadyInstalled == false
//
Stopwatch stopWatch = new Stopwatch();
bool timeout = false;
stopWatch.Start();
while (!mcrAlreadyInstalled && true)
{
try
{
// Timeout
if (stopWatch.Elapsed > TimeSpan.FromMinutes(30))
{
timeout = true;
break;
}
// Sleep
await Task.Delay(TimeSpan.FromMinutes(5));
if (!File.Exists(mcrlog))
{
continue;
}
line = File.ReadLines(mcrlog).Last();
if (!line.Contains("End - Successful"))
{
continue;
}
else
{
break;
}
}
catch (Exception ex)
{
// Probably file reading errors because the MCR installer uses the file
continue;
}
}
//
// MCR is installed now -->Set the flag in DB and Reboot
if (!mcrAlreadyInstalled && timeout == false)
{
try
{
using (IsmIoTPortalContext db = new IsmIoTPortalContext())
{
// Update DB entry and set the McrInstalled Flag to true
var entry = db.ImagingProcessorWorkerInstances.Where(e => e.RoleInstanceId == RoleEnvironment.CurrentRoleInstance.Id).First(); // // Es gibt natürlich nur ein DB Eintrag mit dem Schlüssel RoleInstanceId
db.Entry(entry).Entity.McrInstalled = true;
db.Entry(entry).Entity.Timestamp = DateTime.UtcNow;
db.Entry(entry).State = EntityState.Modified;
db.SaveChanges();
// Restart Worker Role
// Update: Der User nach dem Startup Task darf wohl kein shuttdown ausführen --> benutze schtasks
//string stat = ExecuteCommandSync("shutdown /R /F");
// Mit schtasks
DateTime executionTime = DateTime.Now.Add(new TimeSpan(0, 1, 0));
string date = string.Format("{0}/{1}/{2}", executionTime.Month.ToString("d2"), executionTime.Day.ToString("d2"), executionTime.Year);
string time = string.Format("{0}:{1}", executionTime.Hour.ToString("d2"), executionTime.Minute.ToString("d2"));
string cmd = string.Format("schtasks /CREATE /TN RebootRoleInstance /SC ONCE /SD {0} /ST {1} /RL HIGHEST /RU scheduser /RP Qwer123 /TR \"shutdown /R /F\" /F", date, time);
string stat = ExecuteCommandSync(cmd);
Logfile.Get(logfile).fTextout(Logging.Fontcolors.RED, "{0} > {1} <br>", DateTime.Now.ToString(), stat);
Logfile.Get(logfile).Update();
}
}
catch (Exception ex)
{
Logfile.Get(logfile).fTextout(Logging.Fontcolors.RED, "{0} > Failed writing to update McrInstalled flag and reboot. <br>", DateTime.Now.ToString());
Logfile.Get(logfile).fTextout(Logging.Fontcolors.RED, "{0} > Exception: {1} <br>", DateTime.Now.ToString(), ex.Message);
Logfile.Get(logfile).Update();
}
}
// Timeout --> Write to log and do Not start Event Processor
if (!mcrAlreadyInstalled && timeout == true)
{
Logfile.Get(logfile).fTextout(Logging.Fontcolors.RED, "{0} > Timeout occured during MCR Installation Polling. <br>", DateTime.Now.ToString());
Logfile.Get(logfile).Update();
}
// Reboot and MCR is already installed --> Start Event Processor
if (mcrAlreadyInstalled)
{
//
// Create EventProcessorHost
/*the iotHubD2cEndpoint in the example is the name of the device-to - cloud endpoint on your IoT hub.
* Technically, and IoT hub could have multiple endpoints that are compatible with Event Hubs.
* At this time the only Event Hubs - compatible endpoint is called "messages/events", so it is a fixed string. */
string iotHubD2cEndpoint = "messages/events";
string eventHubName = CloudConfigurationManager.GetSetting("iotHubName"); //"IsmIoTHub";
string consumerGroupName = EventHubConsumerGroup.DefaultGroupName;
// Alternativ geht auch CurrentRoleInstance.Id (ist auch unique)
//string eventProcessorHostName = Guid.NewGuid().ToString();
string eventProcessorHostName = RoleEnvironment.CurrentRoleInstance.Id;
// leaseContainerName-Parameter wie im scaled out event processing beispiel:
// here it's using eventhub as lease name. but it can be specified as any you want.
// if the host is having same lease name, it will be shared between hosts.
// by default it is using eventhub name as lease name.
eventProcessorHost = new EventProcessorHost(eventProcessorHostName,
iotHubD2cEndpoint, // eigentlich steht hier der EventHub Name aber siehe Kommentar, bei IoTHubs ist hier der fixe string "messages/events" notwendig
consumerGroupName,
//iotHubConnectionString,
CloudConfigurationManager.GetSetting("ismiothub"), //System.Configuration.ConfigurationSettings.AppSettings.Get("ismiothub"),
//EventProcessor.StorageConnectionString,
CloudConfigurationManager.GetSetting("ismiotstorage"), //System.Configuration.ConfigurationSettings.AppSettings.Get("ismiotstorage"),
eventHubName.ToLowerInvariant());
factory = new EventProcessorFactory(logfile);
await eventProcessorHost.RegisterEventProcessorFactoryAsync(factory);
// Register EventProcessorHost
Logfile.Get(logfile).fTextout("{0} > Registering EventProcessor... <br>", DateTime.Now.ToString());
Logfile.Get(logfile).Update();
// Ansatz ohne Factory. Hatte jedoch den Nachteil, dass man keine Referenz auf das EventProcessor Objekt
// hat und somit z.B. keine Eventhandler registrieren konnte. Parameter an Konstruktor gigen ja auch nicht,
// weil dieser niemals sichtbar aufgerufen wird bei dem Ansatz
//eventProcessorHost.RegisterEventProcessorAsync<EventProcessor>().Wait();
}
while (!cancellationToken.IsCancellationRequested)
{
await Task.Delay(TimeSpan.FromHours(1), cancellationToken);
}
}
public Task <ActionResult> Create([Bind(Include = "SoftwareId,Name,Changelog")] Release release, string blobUrl)
{
if (ModelState.IsValid)
{
if (blobUrl != null && blobUrl.Length > 0)
{
bool error = false;
// Check Software Version
var m = RegexHelper.SoftwareName.Match(release.Name);
if (!m.Success)
{
ViewBag.NameError = "Your prefix and suffix aren't valid values. The prefix is not optional.";
error = true;
}
// If the uploaded file is not a tarfile, return with error
if (!RegexHelper.FwBlobUrl.IsMatch(blobUrl))
{
ViewBag.FileError = "URL must link to tarfile in an Azure BLOB storage container named 'fwupdates' packed with update data and a script named 'apply.sh'";
error = true;
}
// If the software version already exists
if (db.Releases.Any(s => s.Name.ToLower().Equals(release.Name.ToLower())))
{
ViewBag.NameError = "This software version already exists.";
error = true;
}
if (error)
{
return(Task.Factory.StartNew <ActionResult>(
() => {
var softwareVersions = db.SoftwareVersions.ToList();
return View("Create", new SoftwareViewCreate
{
Release = null,
SoftwareVersions = softwareVersions
});
}));
}
// Ok, form is valid
// Read associated SoftwareVersion
// Get the group
var prefix = m.Groups[1].Value;
var suffix = m.Groups[4].Value;
var releaseNum = Int32.Parse(m.Groups[2].Value);
var softwareVersion = db.SoftwareVersions.FirstOrDefault(sv => sv.Prefix.Equals(prefix) && sv.Suffix.Equals(suffix));
// If we don't find a SoftwareVersion in database, create a new one
if (softwareVersion == null)
{
softwareVersion = new SoftwareVersion
{
Prefix = prefix,
Suffix = suffix,
// First release
CurrentReleaseNum = 1
};
db.SoftwareVersions.Add(softwareVersion);
}
else
{
if (softwareVersion.CurrentReleaseNum + 1 != releaseNum)
{
ViewBag.NameError = "The release number is not correct.";
return(Task.Factory.StartNew <ActionResult>(
() => {
var softwareVersions = db.SoftwareVersions.ToList();
return View("Create", new SoftwareViewCreate
{
Release = null,
SoftwareVersions = softwareVersions
});
}));
}
softwareVersion.CurrentReleaseNum = releaseNum;
}
// Add reference to SoftwareVersion to Release
release.SoftwareVersionId = softwareVersion.SoftwareVersionId;
release.Num = softwareVersion.CurrentReleaseNum;
try
{
release.Status = "Uploaded";
release.Author = "SWT";
release.Date = DateTime.Now;
// Add to database
db.Releases.Add(release);
db.SaveChanges();
var location = Server.MapPath("~/sw-updates/" + release.Name);
PortalUtils.CreateNewFirmwareUpdateTask(blobUrl, location, release.SoftwareId);
return(Task.Factory.StartNew <ActionResult>(
() => {
return RedirectToAction("Index");
}));
//return RedirectToAction("Index");
}
catch (Exception e)
{
release.Status = "Error during initialization";
db.SaveChanges();
}
}
}
return(Task.Factory.StartNew <ActionResult>(
() => {
return View(release);
}));
}
/// <summary>
/// This function rolls out a firmware update to a specified device asynchronously. Call without using await.
/// </summary>
/// <param name="device">Device ID.</param>
/// <param name="serviceClient">Service Client used to call direct methods.</param>
/// <param name="release">Refernce to the release we want to roll out</param>
/// <returns></returns>
public static async Task RolloutFwUpdateAsync(string device, ServiceClient serviceClient, Release release)
{
// Get reference to device
var ismDevice = db.IsmDevices.FirstOrDefault(d => d.DeviceId.Equals(device));
if (ismDevice == null)
{
return;
}
// Method to invoke
var methodInvokation = new CloudToDeviceMethod("firmwareUpdate")
{
ResponseTimeout = TimeSpan.FromSeconds(30)
};
// Method payload
var payload = JsonConvert.SerializeObject(new
{
blobUrl = release.Url,
fileName = release.Url.Split('/').Last(),
version = release.Name
});
methodInvokation.SetPayloadJson(payload);
ismDevice.UpdateStatus = IsmIoTSettings.UpdateStatus.REQUESTED;
db.SaveChanges();
// Invoke method on device
// Cancellation after 45 seconds
var cts = new CancellationTokenSource();
cts.CancelAfter(45000);
var methodTask = serviceClient.InvokeDeviceMethodAsync(device, methodInvokation, cts.Token);
//var timeoutTask = Task.WhenAny(methodTask, Task.Delay(3000));
try
{
var response = await methodTask.ConfigureAwait(false);
if (response.Status != 200)
{
// Handle errors
ismDevice.UpdateStatus = IsmIoTSettings.UpdateStatus.ERROR;
}
else
{
ismDevice.UpdateStatus = IsmIoTSettings.UpdateStatus.PROCESSING;
}
}
catch (OperationCanceledException e)
{
ismDevice.UpdateStatus = IsmIoTSettings.UpdateStatus.CANCELATION;
}
catch (DeviceNotFoundException e)
{
ismDevice.UpdateStatus = IsmIoTSettings.UpdateStatus.OFFLINE;
}
catch (Exception e)
{
ismDevice.UpdateStatus = IsmIoTSettings.UpdateStatus.ERROR;
}
finally
{
db.SaveChanges();
}
}
/// <summary>
/// Creates a new firmware update ready to be rolled out. Call asynchronously because it can take some time. Don't use await.
/// </summary>
/// <param name="file">File of firmware update. Must be a tar.</param>
/// <param name="location">Directory of where file will be stored on server.</param>
/// <param name="id">Key of software version in databse.</param>
/// <returns></returns>
public static async Task CreateNewFirmwareUpdateTask(string fileUrl, string location, int id)
{
IsmIoTPortalContext db = new IsmIoTPortalContext();
// Get reference to software
var software = db.Releases.Find(id);
try
{
// Filename is always the same
var fileName = "update.tar";
// Creates all directories in path that do not exist
Directory.CreateDirectory(location);
// Full path of file
string filePath = Path.Combine(location, fileName);
// Save file to disk
var retval = await DownloadFromBlobStorage(fileUrl, filePath).ConfigureAwait(false);
if (retval.Equals("Error"))
{
// Update software status
software.Status = "Error during download of file.";
db.SaveChanges();
return;
}
// Update software status
software.Status = "Saved";
db.SaveChanges();
// Calculate SHA 256 hash
var checksum = await Sha256Sum(filePath).ConfigureAwait(false);
// Get checksum string
var checksum_string = BitConverter.ToString(checksum).Replace("-", String.Empty).ToLower();
// Add checksum string to database
software.Checksum = checksum_string;
db.SaveChanges();
// Get access to key vault
var kv = new KeyVaultClient(new KeyVaultClient.AuthenticationCallback(GetToken));
// Sign Checksum
var sig = await kv.SignAsync(
// Key ID is in appsettings
keyIdentifier : ConfigurationManager.AppSettings["kv:fw-signing-key"],
// Sign with RS256
algorithm : Microsoft.Azure.KeyVault.WebKey.JsonWebKeySignatureAlgorithm.RS256,
// We want to sign the checksum
digest : checksum).ConfigureAwait(false);
// Save byte data as sig
string checksumPath = Path.Combine(location, "sig");
File.WriteAllBytes(checksumPath, sig.Result);
software.Status = "Signed";
db.SaveChanges();
// Create tarball (.tar.gz file containing signed checksum and tarfile with update)
var tarball = CreateTarBall(location);
software.Status = "Compressed";
db.SaveChanges();
// Upload
var uri = await UploadToBlobStorage(Path.GetFileName(tarball), tarball).ConfigureAwait(false);
if (uri.Equals("Error"))
{
software.Status = "Error during upload.";
db.SaveChanges();
return;
}
// Remove old file from BLOB storage
var retVal = RemoveFromBlobStorage(fileUrl);
if (retval.Equals("Error"))
{
software.Status = "Error during removal of old file from BLOB storage.";
db.SaveChanges();
return;
}
// Everything is ok
software.Status = "Ready";
software.Url = uri;
db.SaveChanges();
}
catch (Exception e)
{
software.Status = "Error";
db.SaveChanges();
}
}