__main__.py

import pulumi_digitalocean as do
from pulumi import Config, export, ResourceOptions, CustomTimeouts
from pulumi_kubernetes import Provider
from pulumi_kubernetes.apps.v1 import Deployment, DeploymentSpecArgs
from pulumi_kubernetes.core.v1 import (
    ContainerArgs,
    PodSpecArgs,
    PodTemplateSpecArgs,
    Service,
    ServicePortArgs,
    ServiceSpecArgs,
)
from pulumi_kubernetes.meta.v1 import LabelSelectorArgs, ObjectMetaArgs

config = Config()
node_count = config.get_float("nodeCount") or 2
app_replica_count = config.get_float("appReplicaCount") or 5
domain_name = config.get("domainName")

cluster = do.KubernetesCluster(
    "do-cluster",
    region="nyc3",
    version=do.get_kubernetes_versions().latest_version,
    node_pool=do.KubernetesClusterNodePoolArgs(
        name="default", size="s-2vcpu-2gb", node_count=node_count
    ),
)

k8s_provider = Provider("do-k8s", kubeconfig=cluster.kube_configs.apply(lambda c: c[0].raw_config))

app_labels = {"app": "app-nginx"}
app = Deployment(
    "do-app-dep",
    spec=DeploymentSpecArgs(
        selector=LabelSelectorArgs(match_labels=app_labels),
        replicas=1,
        template=PodTemplateSpecArgs(
            metadata=ObjectMetaArgs(labels=app_labels),
            spec=PodSpecArgs(containers=[ContainerArgs(name="nginx", image="nginx")]),
        ),
    ),
    opts=ResourceOptions(provider=k8s_provider),
)

ingress = Service(
    "do-app-svc",
    spec=ServiceSpecArgs(
        type="LoadBalancer",
        selector=app_labels,
        ports=[ServicePortArgs(port=80)],
    ),
    opts=ResourceOptions(
        provider=k8s_provider,
        custom_timeouts=CustomTimeouts(create="15m", delete="15m"),
    ),
)

ingress_ip = ingress.status.apply(lambda s: s.load_balancer.ingress[0].ip)

export("ingress_ip", ingress_ip)

if domain_name:
    domain = do.Domain("do-domain", name=domain_name, ip_address=ingress_ip)

    cname_record = do.DnsRecord(
        "do-domain-name", domain=domain.name, type="CNAME", name="www", value="@"
    )