public static IotEdgeConfigReader CreateWithCosmosDBConn(CosmosClient cosmosClient, string accountName, string databaseName, string templateColl, string moduleColl)
{
//Need Error Handling
IotEdgeConfigReader configReader = new IotEdgeConfigReader();
configReader._cosmosClient = cosmosClient;
configReader._accountName = accountName;
configReader._cosmosDatabase = cosmosClient.GetDatabase(databaseName);
configReader._templateColl = templateColl;
configReader._moduleColl = moduleColl;
return(configReader);
}
public async Task <IActionResult> Run(
[HttpTrigger(AuthorizationLevel.Function, "get", "post", Route = null)] HttpRequest req)
{
_log.LogInformation("C# HTTP trigger.");
string deviceid = req.Query["deviceid"];
if (string.IsNullOrEmpty(deviceid))
{
return(new BadRequestObjectResult("Missing deviceid in request"));
}
string requestBody = await new StreamReader(req.Body).ReadToEndAsync();
/*
* [
* {
* "ModuleInstanceName": "ModuleA",
* "Module": "lvaEdge",
* "ToIoThub": true,
* "DesiredProperties": "{\"NAME\":\"MODULEA\"}",
* "RouteInstanceName": "A1toIoTHub",
* "FromModule": "lvaEdge",
* "ToModule": null,
* "FromChannel": "ONE",
* "ToChannel": null
* }
* ]
* 1. Remove \n
* 2. Convert \" to "
* 3. Convert \"{ to {
* 4. Convert \"} to }
* 5. Convert from Array into Json Doc
*/
//Clean up \n
requestBody = requestBody.Replace("\\n", "");
//Clean up \"
requestBody = requestBody.Replace("\\\"", "\"");
//Clean up "{
requestBody = requestBody.Replace("\"{", "{");
//Clean up }"
requestBody = requestBody.Replace("}\"", "}");
_log.LogInformation(requestBody);
//Load as List of Objects
List <ModuleDesiredPropertiesRoutes> mdprInstances = JsonConvert.DeserializeObject <List <ModuleDesiredPropertiesRoutes> >(requestBody);
string s_connectionString = Environment.GetEnvironmentVariable("IOTHUB_CONN_STRING_CSHARP");
string s_acruser = Environment.GetEnvironmentVariable("ACRUSER");
string s_acrpassword = Environment.GetEnvironmentVariable("ACRPASSWORD");
string s_acr = Environment.GetEnvironmentVariable("ACR");
string s_cosmosendpoint = Environment.GetEnvironmentVariable("COSMOSENDPOINT");
string s_cosmoskey = Environment.GetEnvironmentVariable("COSMOSKEY");
string s_cosmosAccountName = Environment.GetEnvironmentVariable("COSMOSACCOUNTNAME");
//Connect to IoTHub
_registryManager = RegistryManager.CreateFromConnectionString(s_connectionString);
//Connect to CosmosDB for Modules and Manifest information - IoTEdge Configuration
_cosmosClient = new CosmosClient(s_cosmosendpoint, s_cosmoskey);
IotEdgeConfigReader cosmosDBConfigReader = IotEdgeConfigReader.CreateWithCosmosDBConn(_cosmosClient,
s_cosmosAccountName,
Environment.GetEnvironmentVariable("COSMOSDBNAME"),
Environment.GetEnvironmentVariable("COSMOSCONTAINER_MANIFEST"),
Environment.GetEnvironmentVariable("COSMOSCONTAINER_ALLMODULES"));
string iotEdgeTemplateJSON = await cosmosDBConfigReader.GetIoTEdgeTemplate();
//Replace $ACRUSER $ACRPASSWORD $ACR
iotEdgeTemplateJSON = iotEdgeTemplateJSON.Replace("$ACRUSER", s_acruser).Replace("$ACRPASSWORD", s_acrpassword).Replace("$ACR", s_acr);
IoTEdgeCTL iotedgeCTL = new IoTEdgeCTL(_registryManager, cosmosDBConfigReader);
ConfigurationContent iotEdgeConfigContent = await iotedgeCTL.GenerateManifestConfigContent(iotEdgeTemplateJSON, mdprInstances, _log);
string responseMessage;
if (iotEdgeConfigContent == null)
{
responseMessage = $"Error Generating ConfigurationContent for {deviceid} - {iotedgeCTL.GetErrMsg()}";
return(new BadRequestObjectResult(responseMessage));
}
var bRet = await iotedgeCTL.ApplyManifestConfigContent(deviceid, iotEdgeConfigContent, _log);
if (bRet)
{
responseMessage = $"Hello, Caller. This HTTP triggered function executed successfully for {deviceid}";
return(new OkObjectResult(responseMessage));
}
else
{
responseMessage = $"Error Applying ConfigurationContent for {deviceid} - {iotedgeCTL.GetErrMsg()}";
return(new BadRequestObjectResult(responseMessage));
}
}
public IoTEdgeCTL(RegistryManager registryManager, IotEdgeConfigReader configReader)
{
//Need to build a better class setupfor injecting the dependents
_registryManager = registryManager ?? throw new ArgumentNullException(nameof(registryManager));
_iotedgeConfigReader = configReader ?? throw new ArgumentNullException(nameof(configReader));
}