private static SimplePublisher GetGoogleBusWriter(Microsoft.Azure.WebJobs.ExecutionContext context)
{
string topicId = ConfigurationManager.AppSettings["GoogleTopicId"];
string projectId = ConfigurationManager.AppSettings["GoogleProjectId"];
//Google credential expected to be a local file called googleCredential.json, copied to output
TopicName topicName = new TopicName(projectId, topicId);
string credentialPath = Path.Combine(context.FunctionDirectory, "..\\googleCredential.json");
GoogleCredential credential = ReadGoogleCredentialFile(credentialPath);
credential = credential.CreateScoped(PublisherClient.DefaultScopes);
ClientCreationSettings clientSettings = new ClientCreationSettings(credentials: credential.ToChannelCredentials());
Channel channel = new Channel(PublisherClient.DefaultEndpoint.Host, PublisherClient.DefaultEndpoint.Port, credential.ToChannelCredentials());
PublisherClient client = PublisherClient.Create(channel);
return(SimplePublisher.Create(topicName, new[] { client }));
}
public async Task SendEvent(IHiarcEvent theEvent)
{
try
{
var serializedEvent = JsonSerializer.Serialize(theEvent);
var topicName = new TopicName(_pubSubSettings.ProjectId, _pubSubSettings.Topic);
var sacByteArray = Encoding.UTF8.GetBytes(_pubSubSettings.ServiceAccountCredential);
var sacStream = new MemoryStream(sacByteArray);
var credential = GoogleCredential.FromServiceAccountCredential(ServiceAccountCredential.FromServiceAccountData(sacStream));
var createSettings = new ClientCreationSettings(credentials: credential.ToChannelCredentials());
var publisher = await CreateAsync(topicName, clientCreationSettings : createSettings);
var messageId = await publisher.PublishAsync(serializedEvent);
await publisher.ShutdownAsync(TimeSpan.FromSeconds(10));
_logger.LogDebug($"Successfully sent event '{theEvent.Event}' to '{this.Name}'. Payload: {serializedEvent}");
}
catch (Exception ex)
{
_logger.LogError($"Failed to send event '{theEvent.Event}' to '{this.Name}'. Exception: {ex.Message}");
}
}
