Stack Reference Example

__main__.py

import infrastructure_lib.stackinfo as stackinfo

STACK = pulumi.get_stack()

vpc = stackinfo.VpcStackInfo(STACK)

# you can pass these values to another resource
vpc.vpc_id
vpc.private_subnets
vpc.public_subnets

db = database.PrivateDatabase(
    "secret-db",
    args=database.PrivateDatabaseArgs(
        vpc_id=vpc.vpc_id,
        subnet_ids=vpc.private_subnet_ids,
        db_name="secret",
        username="secret",
    )
)

stackinfo.py

from typing import Any
import pulumi


class VpcStackInfo(pulumi.StackReference):

    vpc_id = pulumi.Output[Any]
    private_subnet_ids = pulumi.Output[Any]
    public_subnet_ids = pulumi.Output[Any]
    cidr_block = pulumi.Output[Any]

    def __init__(self, stack_name: str):
        super().__init__(f"my_org/vpc/{stack_name}")

        self.vpc_id = self.require_output("vpc_id") # type: ignore
        self.private_subnet_ids = self.require_output("private_subnet_ids") # type: ignore
        self.public_subnet_ids = self.require_output("public_subnet_ids") # type: ignore
        self.cidr_block = self.require_output("cidr_block") # type: ignore