public static async Task <IActionResult> Run(
[HttpTrigger(AuthorizationLevel.Function, "post", Route = null)] HttpRequest req,
ExecutionContext context)
{
ILogger log = null;
IConfigurationRoot root = null;
LocalConfig config = new LocalConfig();
try
{
if (File.Exists(String.Format($"{context.FunctionAppDirectory}/secrets.json")))
{
//secrets.json exists use it and environment variables
var builder = new ConfigurationBuilder()
.SetBasePath(context.FunctionAppDirectory)
.AddJsonFile("secrets.json", optional: true, reloadOnChange: true)
.AddEnvironmentVariables("FUNC_");
root = builder.Build();
ConfigurationBinder.Bind(root, config);
}
else if (File.Exists(String.Format("{0}/{1}", context.FunctionAppDirectory, "local.settings.json")))
{
//use for local testing...do not use in production
//remember to add the storage connection string
var builder = new ConfigurationBuilder()
.SetBasePath(context.FunctionAppDirectory)
.AddJsonFile("local.settings.json", optional: true, reloadOnChange: true)
.AddEnvironmentVariables("FUNC_");
root = builder.Build();
ConfigurationBinder.Bind(root, config);
config.StorageConnectionString = root.GetConnectionString("StorageConnectionString");
}
else
{
//no secrets or local.settings.json files...use only environment variables
var builder = new ConfigurationBuilder()
.AddEnvironmentVariables("FUNC_");
root = builder.Build();
ConfigurationBinder.Bind(root, config);
}
}
catch (Exception ex)
{
log?.LogError(ex.Message);
}
string requestBody = await new StreamReader(req.Body).ReadToEndAsync();
DeviceConfig dconfig = JsonConvert.DeserializeObject <DeviceConfig>(requestBody);
dconfig = ConfigurationResolver.Configure(dconfig, config);
try
{
string template = dconfig.GetTemplate();
string funcType = req.Query["type"];
DeviceDeployment deployment = new DeviceDeployment(dconfig.IoTHubConnectionString, template);
if (string.IsNullOrEmpty(funcType))
{
string connectionString = await DeployFull(config, dconfig, deployment);
return(!string.IsNullOrEmpty(connectionString) ? (ActionResult) new OkObjectResult(connectionString) : new BadRequestObjectResult("Invalid connection string to return."));
}
else if (funcType.ToLowerInvariant() == "update")
{
string luss = await UpdateTableAsync(config, dconfig);
Device device = await deployment.GetDevice(dconfig.DeviceId);
await UpdateModuleAsync(device, dconfig.Container.ModuleId, luss, config.ServiceUrl, deployment);
return(new OkResult());
}
else
{
return(new BadRequestObjectResult("Invalid type parameter in query string."));
}
}
catch (Exception ex)
{
log?.LogError(ex.Message);
return(new BadRequestObjectResult("Failed to provision."));
}
}