ItalyPaleAle

Project Emmy: Dapr Actors v2

This document contains the design for a new Actors service for Dapr, which:

1. Provides the address for actors running in the cluster, replacing the current Placement service and table distribution with a more efficient and reliable design.
2. Manages, stores, and executes actor reminders, in a centralized service.

The new service requires the use of a relational (aka "SQL") database, including Azure SQL (Microsoft SQL Server), PostgreSQL, MySQL, etc… as well as SQLite.

Because the Dapr workflow building block is based on actors, improvements in this space will benefit workflow users too.

ItalyPaleAle

apiVersion: dapr.io/v1alpha1
kind: Component
metadata:
  name: jwks
spec:
  type: crypto.localstorage
  version: v1
  metadata:
    - name: path
      value: keys

ItalyPaleAle

#!/bin/bash

set -e

DIR=$(dirname "$BASH_SOURCE")
echo "Getting into directory ${DIR}/dapr"
cd "${DIR}/dapr"

#DEBUG=1 make build
CGO_ENABLED=0 \

ItalyPaleAle

// Copyright (C) 2020 Alessandro Segala (ItalyPaleAle)
// License: MIT

package main

// Import the package to access the Wasm environment
import (
	"syscall/js"
)

ItalyPaleAle

// Copyright (C) 2020 Alessandro Segala (ItalyPaleAle)
// License: MIT

// MyGoFunc returns a Go time.Time to JavaScript
func MyGoFunc() js.Func {
	return js.FuncOf(func(this js.Value, args []js.Value) interface{} {
		// Get the current time as a Go time.Time object
		now := time.Now()
		// Get the Date object constructor from JavaScript
		dateConstructor := js.Global().Get("Date")

ItalyPaleAle

// Copyright (C) 2020 Alessandro Segala (ItalyPaleAle)
// License: MIT

// MyGoFunc returns a Promise that resolves after 3 seconds with a message
func MyGoFunc() js.Func {
	return js.FuncOf(func(this js.Value, args []js.Value) interface{} {
		// Handler for the Promise: this is a JS function
		// It receives two arguments, which are JS functions themselves: resolve and reject
		handler := js.FuncOf(func(this js.Value, args []js.Value) interface{} {
			resolve := args[0]

ItalyPaleAle

// Copyright (C) 2020 Alessandro Segala (ItalyPaleAle)
// License: MIT

// MyGoFunc returns a Promise that fails with an exception about 50% of times
func MyGoFunc() js.Func {
	return js.FuncOf(func(this js.Value, args []js.Value) interface{} {
		// Handler for the Promise
		handler := js.FuncOf(func(this js.Value, args []js.Value) interface{} {
			resolve := args[0]
			reject := args[1]

ItalyPaleAle

// Copyright (C) 2020 Alessandro Segala (ItalyPaleAle)
// License: MIT

// MyGoFunc fetches an external resource by making a HTTP request from Go
// The JavaScript method accepts one argument, which is the URL to request
func MyGoFunc() js.Func {
	return js.FuncOf(func(this js.Value, args []js.Value) interface{} {
		// Get the URL as argument
		// args[0] is a js.Value, so we need to get a string out of it
		requestUrl := args[0].String()

ItalyPaleAle

// Copyright (C) 2020 Alessandro Segala (ItalyPaleAle)
// License: MIT

// MyGoFunc fetches an external resource by making a HTTP request from Go
// The JavaScript method accepts one argument, which is the URL to request
func MyGoFunc() js.Func {
	return js.FuncOf(func(this js.Value, args []js.Value) interface{} {
		// Get the URL as argument
		// args[0] is a js.Value, so we need to get a string out of it
		requestUrl := args[0].String()

ItalyPaleAle

# The MIT License

Copyright (c) 2020, Alessandro Segala

Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions: