public static async Task Run([TimerTrigger("0 */2 * * * *")] TimerInfo myTimer, ILogger log, ExecutionContext context)
{
var config = new ConfigurationBuilder()
.SetBasePath(context.FunctionAppDirectory)
.AddJsonFile("local.settings.json", optional: true, reloadOnChange: true)
.AddEnvironmentVariables()
.Build();
//reading CosmosDb settings from localsettings file
var cosmosDbSettings = new CosmosDB.CosmosDbSetting();
config.Bind("CosmosDb", cosmosDbSettings);
// creating the vehicle ping service instance from the settings and initializing the repository
try
{
var vehiclePingRepository = await InitializeCosmosClientInstanceAsync(cosmosDbSettings);
VehiclePing.Service.Services.PingService pingService = new Service.Services.PingService(vehiclePingRepository);
Random rnd = new Random();
string vehicleIP = rnd.Next(20, 190).ToString() + "." + rnd.Next(20, 190).ToString() + "." + rnd.Next(1, 20).ToString() + "." + rnd.Next(0, 10).ToString();
int vehicleId = rnd.Next(1, 3);
var pingStatus = rnd.Next(0, 1);
pingService.PersistPingInDbAsync(Guid.NewGuid().ToString(), vehicleId, vehicleIP, (PingStatus)pingStatus, DateTime.Now);
}
catch (Exception ex)
{
log.LogError("An error while creating random vehicle ping request");
}
log.LogInformation($"C# Timer trigger function executed at: {DateTime.Now}");
}
private static async Task <VehiclePing.Service.Repositories.VehiclePingRepository> InitializeCosmosClientInstanceAsync(CosmosDB.CosmosDbSetting settings)
{
string databaseName = settings.DatabaseName;
string containerName = settings.ContainerName;
string account = settings.Account;
string key = settings.Key;
CosmosClientBuilder clientBuilder = new CosmosClientBuilder(account, key);
CosmosClient client = clientBuilder
.WithConnectionModeDirect()
.Build();
VehiclePingRepository vehiclePingRepository = new VehiclePingRepository(client, databaseName, containerName);
DatabaseResponse database = await client.CreateDatabaseIfNotExistsAsync(databaseName);
await database.Database.CreateContainerIfNotExistsAsync(containerName, "/id");
return(vehiclePingRepository);
}
