GetTopics

using Pulumi;
using AliCloud = Pulumi.AliCloud;

class MyStack : Stack
{
    public MyStack()
    {
        var config = new Config();
        var name = config.Get("name") ?? "onsInstanceName";
        var topic = config.Get("topic") ?? "onsTopicDatasourceName";
        var defaultInstance = new AliCloud.RocketMQ.Instance("defaultInstance", new AliCloud.RocketMQ.InstanceArgs
        {
            Remark = "default_ons_instance_remark",
        });
        var defaultTopic = new AliCloud.RocketMQ.Topic("defaultTopic", new AliCloud.RocketMQ.TopicArgs
        {
            InstanceId = defaultInstance.Id,
            MessageType = 0,
            Remark = "dafault_ons_topic_remark",
            Topic = topic,
        });
        var topicsDs = defaultTopic.InstanceId.Apply(instanceId => AliCloud.RocketMQ.GetTopics.InvokeAsync(new AliCloud.RocketMQ.GetTopicsArgs
        {
            InstanceId = instanceId,
            NameRegex = topic,
            OutputFile = "topics.txt",
        }));
        this.FirstTopicName = topicsDs.Apply(topicsDs => topicsDs.Topics[0].Topic);
    }

    [Output("firstTopicName")]
    public Output<string> FirstTopicName { get; set; }
}

import pulumi
import pulumi_alicloud as alicloud

config = pulumi.Config()
name = config.get("name")
if name is None:
    name = "onsInstanceName"
topic = config.get("topic")
if topic is None:
    topic = "onsTopicDatasourceName"
default_instance = alicloud.rocketmq.Instance("defaultInstance", remark="default_ons_instance_remark")
default_topic = alicloud.rocketmq.Topic("defaultTopic",
    instance_id=default_instance.id,
    message_type=0,
    remark="dafault_ons_topic_remark",
    topic=topic)
topics_ds = default_topic.instance_id.apply(lambda instance_id: alicloud.rocketmq.get_topics(instance_id=instance_id,
    name_regex=topic,
    output_file="topics.txt"))
pulumi.export("firstTopicName", topics_ds.topics[0]["topic"])

import * as pulumi from "@pulumi/pulumi";
import * as alicloud from "@pulumi/alicloud";

const config = new pulumi.Config();
const name = config.get("name") || "onsInstanceName";
const topic = config.get("topic") || "onsTopicDatasourceName";

const defaultInstance = new alicloud.rocketmq.Instance("default", {
    remark: "default_ons_instance_remark",
});
const defaultTopic = new alicloud.rocketmq.Topic("default", {
    instanceId: defaultInstance.id,
    messageType: 0,
    remark: "dafault_ons_topic_remark",
    topic: topic,
});
const topicsDs = defaultTopic.instanceId.apply(instanceId => alicloud.rocketmq.getTopics({
    instanceId: instanceId,
    nameRegex: topic,
    outputFile: "topics.txt",
}, { async: true }));

export const firstTopicName = topicsDs.topics[0].topic;