Structured Output from Automation API

main.py

import sys
from pulumi import automation as auto
import pulumi_random as random

# This is the pulumi program in "inline function" form
def pulumi_program():
    random.RandomString("my_rando_string", length=16, special=True)

def print_id_on_create(evt: auto.EngineEvent):
    # Check if it's a ResOutputsEvent. This event is emitted after an operation on a resource has completed.
    if evt.res_outputs_event:
        meta = evt.res_outputs_event.metadata
        # Only print when a resource of type "random:index/randomString:RandomString" is created.
        if meta["type"] == "random:index/randomString:RandomString" \
            and meta["op"] == auto.OpType.CREATE:
            print("\n--------")
            print(f"{meta['type']} created")
            # meta.new contains the new state for the resource. 
            # We can get whatever output we want from `outputs`.
            print(f"resource_id: {meta['new']['outputs']['id']}")
            print(f"urn: {meta['new']['urn']}")
            print("--------\n")


# To destroy our program, we can run python main.py destroy
destroy = False
args = sys.argv[1:]
if len(args) > 0:
    if args[0] == "destroy":
        destroy = True

project_name = "print_on_create"
stack_name = "dev"

# create or select a stack matching the specified name and project.
# this will set up a workspace with everything necessary to run our inline program (pulumi_program)
stack = auto.create_or_select_stack(stack_name=stack_name,
                                    project_name=project_name,
                                    program=pulumi_program)

print("stack initialized")

print("installing plugins... ", end="")
stack.workspace.install_plugin("random", "v4.3.1")
print("done.")

print("refreshing stack... ", end="")
stack.refresh()
print("done.")

if destroy:
    print("destroying stack... ", end="")
    stack.destroy()
    print("done.")
    sys.exit()

print("updating stack...")
up_res = stack.up(on_event=print_id_on_create)
print("stack update complete")