chore: add a feature toggle for the obs agent feature

Author: stevencrake-nscale

charts/ui/templates/deployment.yaml

@@ -40,6 +40,8 @@ spec:
           value: https://{{ include "unikorn.application.host" . }}
         - name: PUBLIC_COMPUTE_HOST
           value: https://{{ include "unikorn.compute.host" . }}
+        - name: PUBLIC_FEATURE_OBSERVABILITY_AGENT
+          value: {{ ternary "true" "false" .Values.features.observabilityAgent | quote }}
         {{- if .Values.tls.private }}
         - name: NODE_EXTRA_CA_CERTS
           value: /var/run/secrets/unikorn-cloud.org/ca.crt

charts/ui/values.yaml

@@ -50,6 +50,9 @@ compute:
   # The API's hostname.
   host: compute.unikorn-cloud.org
 
+features:
+  observabilityAgent: false
+
 oauth2:
   # The client identifier assigned to this application.
   clientID: 3fc34852-9186-4884-b580-78bf4bcf628a

src/routes/(shell)/kubernetes/clusters/create/+page.svelte

@@ -8,6 +8,7 @@
 	import * as Clients from '$lib/clients';
 	import * as Kubernetes from '$lib/openapi/kubernetes';
 
+	import { env as publicEnv } from '$env/dynamic/public';
 	import type { ShellPageSettings } from '$lib/layouts/types.ts';
 	import ShellPageHeader from '$lib/layouts/ShellPageHeader.svelte';
 	import ShellMetadataSection from '$lib/layouts/ShellMetadataSection.svelte';
@@ -31,6 +32,8 @@
 		observabilityAgent: false
 	};
 
+	const enableObservabilityAgent = publicEnv.PUBLIC_FEATURE_OBSERVABILITY_AGENT === 'true';
+
 	const settings: ShellPageSettings = {
 		feature: 'Infrastructure',
 		name: 'Create Kubernetes Cluster',
@@ -346,19 +349,21 @@
 		{:else if index === 2}
 			<h2 class="h2">Advanced Options</h2>
 
-			<ShellSection title="Observability Agent">
-				<p>
-					Install the observability agent to collect Kubernetes metrics and telemetry and forward them to your observability stack.
-				</p>
+			{#if enableObservabilityAgent}
+				<ShellSection title="Observability Agent">
+					<p>
+						Install the observability agent to collect Kubernetes metrics and telemetry and forward them to your observability stack.
+					</p>
 
-				<Switch
-					name="observability-agent"
-					label="Deploy observability agent"
-					hint="Installs telemetry collectors in the cluster."
-					initial={Boolean(resource.spec.features?.observabilityAgent)}
-					onCheckedChange={observabilityAgentChange}
-				/>
-			</ShellSection>
+					<Switch
+						name="observability-agent"
+						label="Deploy observability agent"
+						hint="Installs telemetry collectors in the cluster."
+						initial={Boolean(resource.spec.features?.observabilityAgent)}
+						onCheckedChange={observabilityAgentChange}
+					/>
+				</ShellSection>
+			{/if}
 
 			<ShellSection title="Auto Upgrade">
 				<p>

src/routes/(shell)/kubernetes/clusters/view/[id]/+page.svelte

@@ -3,6 +3,7 @@
 
 	let { data }: { data: PageData } = $props();
 
+	import { env as publicEnv } from '$env/dynamic/public';
 	import * as Clients from '$lib/clients';
 	import * as Kubernetes from '$lib/openapi/kubernetes';
 	import * as RegionUtil from '$lib/regionutil';
@@ -32,6 +33,8 @@
 		observabilityAgent: false
 	};
 
+	const enableObservabilityAgent = publicEnv.PUBLIC_FEATURE_OBSERVABILITY_AGENT === 'true';
+
 	const settings: ShellPageSettings = {
 		feature: 'Infrastructure',
 		name: 'View/update Kubernetes Cluster',
@@ -353,19 +356,21 @@
 		{:else if index === 2}
 			<h2 class="h2">Advanced Options</h2>
 
-			<ShellSection title="Observability Agent">
-				<p>
-					Install the observability agent to collect Kubernetes metrics and telemetry and forward them to your observability stack.
-				</p>
+			{#if enableObservabilityAgent}
+				<ShellSection title="Observability Agent">
+					<p>
+						Install the observability agent to collect Kubernetes metrics and telemetry and forward them to your observability stack.
+					</p>
 
-				<Switch
-					name="observability-agent"
-					label="Deploy observability agent"
-					hint="Installs telemetry collectors in the cluster."
-					initial={Boolean($state.snapshot(cluster.spec.features?.observabilityAgent))}
-					onCheckedChange={observabilityAgentChange}
-				/>
-			</ShellSection>
+					<Switch
+						name="observability-agent"
+						label="Deploy observability agent"
+						hint="Installs telemetry collectors in the cluster."
+						initial={Boolean($state.snapshot(cluster.spec.features?.observabilityAgent))}
+						onCheckedChange={observabilityAgentChange}
+					/>
+				</ShellSection>
+			{/if}
 
 			<ShellSection title="Auto Upgrade">
 				<p>