public async Task CallChildren(ELAPSFunction functionCopy)
{
if (functionCopy.Children.Any())
{
// Set up each child function
foreach (var child in functionCopy.Children)
{
//Write inherited parameters down to child
foreach (var p in functionCopy.Parameters)
{
if (child.Parameters.ContainsKey(p.Key))
{
child.Parameters[p.Key] = p.Value;
}
else
{
child.Parameters.Add(p.Key, p.Value);
}
}
//Write function call doc
await writeFunctionCallDocAsync(child);
_ = callFunction(child);
}
}
}
public ELAPSFunctionHandler()
{
Function = new ELAPSFunction {
Parameters = new Dictionary <string, string>(), Children = new List <ELAPSFunction>()
};
EnableLogging = true;
}
private async Task <string> callFunction(ELAPSFunction function)
{
using (var client = new HttpClient())
{
var uri = new Uri($"http://gateway:8080/api/{function}");
HttpResponseMessage response = await client.PostAsync(uri, new StringContent(function.Key, Encoding.UTF8, "text/plain"));
return(await response.Content.ReadAsStringAsync());
}
}
private async Task callFunction(ELAPSFunction function)
{
using (var client = new HttpClient())
{
// Use http://gateway:8080/... for docker swarm
var uri = new Uri($"http://gateway.openfaas:8080/function/{function.Name}");
HttpResponseMessage response = await client.PostAsync(uri, new StringContent(function.Key, Encoding.UTF8, "text/plain"));
var result = await response.Content.ReadAsStringAsync();
await logMessage($"Result of call to {uri.ToString()}: {result}");
}
}
private async Task writeFunctionCallDocAsync(ELAPSFunction child)
{
if (mongo == null)
{
return;
}
var database = mongo.GetDatabase("elaps");
child.Key = Guid.NewGuid().ToString();
var document = BsonDocument.Parse(child.ToJson().ToString());
var collection = database.GetCollection <BsonDocument>("functioncalls");
await collection.InsertOneAsync(document);
//LOG function call created
}
