Added multiple env variables to kubernetes-provider (#1305)

* Trying out options for `COORDINATOR_PORT` and `COORDINATOR_HOST` env vars

* Added `KUBERNETES_NAMESPACE` env variable

* Reverted pnpm-lock.yaml

* restore pnpm-lock.yaml

* use options object for operations constructor

* consolidate coordinator env vars

---------

Co-authored-by: nicktrn <55853254+nicktrn@users.noreply.github.com>

Author: iFlyinq

apps/kubernetes-provider/src/index.ts

@@ -1,27 +1,30 @@
 import * as k8s from "@kubernetes/client-node";
+import {
+  EnvironmentType,
+  MachinePreset,
+  PostStartCauses,
+  PreStopCauses,
+} from "@trigger.dev/core/v3";
 import {
   ProviderShell,
+  SimpleLogger,
   TaskOperations,
   TaskOperationsCreateOptions,
   TaskOperationsIndexOptions,
   TaskOperationsPrePullDeploymentOptions,
   TaskOperationsRestoreOptions,
 } from "@trigger.dev/core/v3/apps";
-import { SimpleLogger } from "@trigger.dev/core/v3/apps";
-import {
-  MachinePreset,
-  PostStartCauses,
-  PreStopCauses,
-  EnvironmentType,
-} from "@trigger.dev/core/v3";
-import { TaskMonitor } from "./taskMonitor";
 import { PodCleaner } from "./podCleaner";
+import { TaskMonitor } from "./taskMonitor";
 import { UptimeHeartbeat } from "./uptimeHeartbeat";
 
 const RUNTIME_ENV = process.env.KUBERNETES_PORT ? "kubernetes" : "local";
 const NODE_NAME = process.env.NODE_NAME || "local";
 const OTEL_EXPORTER_OTLP_ENDPOINT =
   process.env.OTEL_EXPORTER_OTLP_ENDPOINT ?? "http://0.0.0.0:4318";
+const COORDINATOR_HOST = process.env.COORDINATOR_HOST ?? undefined;
+const COORDINATOR_PORT = process.env.COORDINATOR_PORT ?? undefined;
+const KUBERNETES_NAMESPACE = process.env.KUBERNETES_NAMESPACE ?? "default";
 
 const POD_CLEANER_INTERVAL_SECONDS = Number(process.env.POD_CLEANER_INTERVAL_SECONDS || "300");
 
@@ -45,19 +48,22 @@ type ResourceQuantities = {
 };
 
 class KubernetesTaskOperations implements TaskOperations {
-  #namespace: Namespace;
+  #namespace: Namespace = {
+    metadata: {
+      name: "default",
+    },
+  };
+
   #k8sApi: {
     core: k8s.CoreV1Api;
     batch: k8s.BatchV1Api;
     apps: k8s.AppsV1Api;
   };
 
-  constructor(namespace = "default") {
-    this.#namespace = {
-      metadata: {
-        name: namespace,
-      },
-    };
+  constructor(opts: { namespace?: string } = {}) {
+    if (opts.namespace) {
+      this.#namespace.metadata.name = opts.namespace;
+    }
 
     this.#k8sApi = this.#createK8sApi();
   }
@@ -229,16 +235,7 @@ class KubernetesTaskOperations implements TaskOperations {
               imagePullPolicy: "IfNotPresent",
               command: ["/bin/sh", "-c"],
               args: ["printenv COORDINATOR_HOST | tee /etc/taskinfo/coordinator-host"],
-              env: [
-                {
-                  name: "COORDINATOR_HOST",
-                  valueFrom: {
-                    fieldRef: {
-                      fieldPath: "status.hostIP",
-                    },
-                  },
-                },
-              ],
+              env: this.#coordinatorEnvVars,
               volumeMounts: [
                 {
                   name: "taskinfo",
@@ -409,6 +406,41 @@ class KubernetesTaskOperations implements TaskOperations {
     };
   }
 
+  get #coordinatorHostEnvVar(): k8s.V1EnvVar {
+    return COORDINATOR_HOST
+      ? {
+          name: "COORDINATOR_HOST",
+          value: COORDINATOR_HOST,
+        }
+      : {
+          name: "COORDINATOR_HOST",
+          valueFrom: {
+            fieldRef: {
+              fieldPath: "status.hostIP",
+            },
+          },
+        };
+  }
+
+  get #coordinatorPortEnvVar(): k8s.V1EnvVar | undefined {
+    if (COORDINATOR_PORT) {
+      return {
+        name: "COORDINATOR_PORT",
+        value: COORDINATOR_PORT,
+      };
+    }
+  }
+
+  get #coordinatorEnvVars(): k8s.V1EnvVar[] {
+    const envVars = [this.#coordinatorHostEnvVar];
+
+    if (this.#coordinatorPortEnvVar) {
+      envVars.push(this.#coordinatorPortEnvVar);
+    }
+
+    return envVars;
+  }
+
   #getSharedEnv(envId: string): k8s.V1EnvVar[] {
     return [
       {
@@ -435,14 +467,6 @@ class KubernetesTaskOperations implements TaskOperations {
           },
         },
       },
-      {
-        name: "COORDINATOR_HOST",
-        valueFrom: {
-          fieldRef: {
-            fieldPath: "status.hostIP",
-          },
-        },
-      },
       {
         name: "MACHINE_NAME",
         valueFrom: {
@@ -451,6 +475,7 @@ class KubernetesTaskOperations implements TaskOperations {
           },
         },
       },
+      ...this.#coordinatorEnvVars,
     ];
   }
 
@@ -623,7 +648,9 @@ class KubernetesTaskOperations implements TaskOperations {
 }
 
 const provider = new ProviderShell({
-  tasks: new KubernetesTaskOperations(),
+  tasks: new KubernetesTaskOperations({
+    namespace: KUBERNETES_NAMESPACE,
+  }),
   type: "kubernetes",
 });
 
@@ -663,7 +690,7 @@ taskMonitor.start();
 
 const podCleaner = new PodCleaner({
   runtimeEnv: RUNTIME_ENV,
-  namespace: "default",
+  namespace: KUBERNETES_NAMESPACE,
   intervalInSeconds: POD_CLEANER_INTERVAL_SECONDS,
 });
 
@@ -672,7 +699,7 @@ podCleaner.start();
 if (UPTIME_HEARTBEAT_URL) {
   const uptimeHeartbeat = new UptimeHeartbeat({
     runtimeEnv: RUNTIME_ENV,
-    namespace: "default",
+    namespace: KUBERNETES_NAMESPACE,
     intervalInSeconds: UPTIME_INTERVAL_SECONDS,
     pingUrl: UPTIME_HEARTBEAT_URL,
     maxPendingRuns: UPTIME_MAX_PENDING_RUNS,