private async Task <bool> SaveDataToStorage(string collectionId, string key, DeploymentHistoryModel deploymentHistory, string tenantId)
{
bool isSuccess = false;
var value = JsonConvert.SerializeObject(
deploymentHistory,
Formatting.None,
new JsonSerializerSettings
{
NullValueHandling = NullValueHandling.Ignore,
});
KeyValueDocument document = new KeyValueDocument(collectionId, key, value, Guid.NewGuid().ToString());
try
{
await this.client.CreateDocumentAsync(this.DocumentDbDatabaseId, this.GetPcsCollectionId(tenantId), document);
isSuccess = true;
}
catch (Exception)
{
}
return(isSuccess);
}
protected async Task ExecuteAsync(CancellationToken stoppingToken)
{
while (!stoppingToken.IsCancellationRequested)
{
// Get the list of tenants
TableQuery <TenantMigrationModel> query = new TableQuery <TenantMigrationModel>().Where(TableQuery.GenerateFilterConditionForBool("IsIotHubDeployed", QueryComparisons.Equal, true));
List <TenantMigrationModel> tenants = await this.tableStorageClient.QueryAsync <TenantMigrationModel>(TenantTable, query);
// Verify against the list of processed tenants
TableQuery <TenantMigrationModel> processedTenantsQuery = new TableQuery <TenantMigrationModel>().Where(TableQuery.GenerateFilterConditionForBool(nameof(TenantMigrationModel.IsMigrationCompleted), QueryComparisons.Equal, true));
List <TenantMigrationModel> processedTenants = await this.tableStorageClient.QueryAsync <TenantMigrationModel>(TenantMigrationStatus, processedTenantsQuery);
var tenantsToMigrate = tenants.Select(t => t.TenantId).Except(processedTenants.Select(t => t.TenantId));
if (tenantsToMigrate != null && tenantsToMigrate.Count() > 0)
{
string tenantToMigrate = tenantsToMigrate.First();
// Get Deployments for Name
Dictionary <string, string> deployments = await this.GetDeployments(tenantToMigrate, "deployments");
bool isTenantMigrationCompleted = false;
while (!isTenantMigrationCompleted)
{
// get the data from tenant for deploymentdevices collection
IEnumerable <ValueServiceModel> deploymentImpactedDevicesData = await this.GetDataForMigration(tenantToMigrate, DeploymentDevicePropertiesCollection);
if (deploymentImpactedDevicesData != null && deploymentImpactedDevicesData.Count() > 0)
{
// Convert the data into new model to be saved
foreach (ValueServiceModel data in deploymentImpactedDevicesData)
{
DeploymentHistoryModel deviceDeploymentHistory = new DeploymentHistoryModel();
deviceDeploymentHistory.DeploymentId = data.CollectionId.Substring(18);
deviceDeploymentHistory.DeviceId = data.Key;
deviceDeploymentHistory.DeploymentName = deployments.ContainsKey(deviceDeploymentHistory.DeploymentId) ? deployments[deviceDeploymentHistory.DeploymentId] : string.Empty;
deviceDeploymentHistory.LastUpdatedDateTimeUtc = data.Timestamp.UtcDateTime;
deviceDeploymentHistory.PreviousFirmwareTwin = null;
deviceDeploymentHistory.Twin = JsonConvert.DeserializeObject <TwinServiceModel>(data.Data);
// save the record to new collection
var isSuccess = await this.SaveDataToStorage(string.Format(DeviceDeploymentHistory, deviceDeploymentHistory.DeviceId), deviceDeploymentHistory.DeploymentId, deviceDeploymentHistory, tenantToMigrate);
if (isSuccess)
{
// Delete the existing data once saved.
await this.DeleteDataFromStorage(tenantToMigrate, data.CollectionId, data.Key);
}
}
}
else
{
IEnumerable <ValueServiceModel> deploymentImpactedDevicesHistoryData = await this.GetDataForMigration(tenantToMigrate, DeploymentHistoryPropertiesCollection);
if (deploymentImpactedDevicesHistoryData != null && deploymentImpactedDevicesHistoryData.Count() > 0)
{
// Convert the data into new model to be saved
foreach (ValueServiceModel data in deploymentImpactedDevicesData)
{
DeploymentHistoryModel deviceDeploymentHistory = new DeploymentHistoryModel();
deviceDeploymentHistory.DeploymentId = data.CollectionId.Substring(18, data.CollectionId.Length - (36 + 1) - 18);
deviceDeploymentHistory.DeviceId = data.Key;
deviceDeploymentHistory.DeploymentName = deployments.ContainsKey(deviceDeploymentHistory.DeploymentId) ? deployments[deviceDeploymentHistory.DeploymentId] : string.Empty;
deviceDeploymentHistory.LastUpdatedDateTimeUtc = data.Timestamp.UtcDateTime;
deviceDeploymentHistory.PreviousFirmwareTwin = null;
deviceDeploymentHistory.Twin = JsonConvert.DeserializeObject <TwinServiceModel>(data.Data);
// save the record to new collection
var isSuccess = await this.SaveDataToStorage(string.Format(DeviceDeploymentHistory, deviceDeploymentHistory.DeviceId), deviceDeploymentHistory.DeploymentId, deviceDeploymentHistory, tenantToMigrate);
if (isSuccess)
{
// Delete the existing data once saved.
await this.DeleteDataFromStorage(tenantToMigrate, data.CollectionId, data.Key);
}
}
}
else
{
isTenantMigrationCompleted = true;
break;
}
}
await Task.Delay(30 * 1000, stoppingToken);
}
// Update the TenantMigrationStatus to true;
await this.InsertTenantMigrationStatus(tenantToMigrate);
}
await Task.Delay(300 * 1000, stoppingToken);
}
}