feat: Traefik | add ingress route construct with certificate construct

traefik/ingress-route.ts

@@ -0,0 +1,94 @@
+import { Construct } from "constructs";
+import { Manifest } from "@cdktf/provider-kubernetes/lib/manifest";
+import { KubernetesProvider } from "@cdktf/provider-kubernetes/lib/provider";
+
+import { CloudflareCertificate } from "../cert-manager";
+
+export interface TraefikIngressRouteOptions {
+  provider: KubernetesProvider;
+  namespace: string;
+
+  /** Hostname for this route (e.g. npm.dogar.dev) */
+  host: string;
+
+  /** Path prefix (default: "/") */
+  path?: string;
+
+  /** Backend K8s Service */
+  serviceName: string;
+  servicePort: number;
+
+  /** EntryPoints (default: ["websecure"]) */
+  entryPoints?: string[];
+
+  /** TLS secret name for HTTPS termination */
+  tlsSecretName?: string;
+
+  /** Extra middlewares (traefik format: namespace/name) */
+  middlewares?: string[];
+
+  /** Name override (otherwise auto) */
+  name?: string;
+}
+
+export class TraefikIngressRoute extends Construct {
+  public readonly manifest: Manifest;
+
+  constructor(scope: Construct, id: string, opts: TraefikIngressRouteOptions) {
+    super(scope, id);
+
+    const name = opts.name ?? `route-${opts.host.replace(/\./g, "-")}`;
+    const path = opts.path ?? "/";
+    const entryPoints = opts.entryPoints ?? ["websecure"];
+
+    const route: any = {
+      match: `Host(\`${opts.host}\`) && PathPrefix(\`${path}\`)`,
+      kind: "Rule",
+      services: [
+        {
+          name: opts.serviceName,
+          port: opts.servicePort,
+        },
+      ],
+    };
+
+    if (opts.middlewares?.length) {
+      route.middlewares = opts.middlewares.map((mw) => {
+        const [namespace, name] = mw.split("/");
+        return { name, namespace };
+      });
+    }
+
+    const spec: any = {
+      entryPoints,
+      routes: [route],
+    };
+
+    if (opts.tlsSecretName) {
+      spec.tls = {
+        secretName: opts.tlsSecretName,
+      };
+
+      new CloudflareCertificate(this, `${name}-cert`, {
+        provider: opts.provider,
+        namespace: opts.namespace,
+        name: opts.host,
+        secretName: opts.tlsSecretName,
+        dnsNames: [opts.host],
+      });
+    }
+
+    this.manifest = new Manifest(this, name, {
+      provider: opts.provider,
+      manifest: {
+        apiVersion: "traefik.io/v1alpha1",
+        kind: "IngressRoute",
+        metadata: {
+          name,
+          namespace: opts.namespace,
+        },
+        spec,
+      },
+    });
+  }
+}