Improve monitoring config

Signed-off-by: Stefan Prodan <stefan.prodan@gmail.com>

timoni/podinfo/README.md

@@ -118,10 +118,10 @@ values: {
 
 ### Monitoring values
 
-| Key                     | Type     | Default | Description                                                                   |
-|-------------------------|----------|---------|-------------------------------------------------------------------------------|
-| `monitoring: enabled:`  | `bool`   | `false` | Enable [Prometheus ServiceMonitor](https://prometheus-operator.dev/) creation |
-| `monitoring: interval:` | `string` | `15s`   | Prometheus scrape interval                                                    |
+| Key                     | Type   | Default | Description                                                                   |
+|-------------------------|--------|---------|-------------------------------------------------------------------------------|
+| `monitoring: enabled:`  | `bool` | `false` | Enable [Prometheus ServiceMonitor](https://prometheus-operator.dev/) creation |
+| `monitoring: interval:` | `int`  | `15`    | Prometheus scrape interval in seconds                                         |
 
 ### Cashing values
 

timoni/podinfo/templates/config.cue

@@ -16,7 +16,7 @@ import (
 	metadata: version: moduleVersion
 
 	// Deployment
-	replicas: *1 | int & >0
+	replicas: *1 | int & >=0
 
 	// Pod
 	podAnnotations?: {[ string]: string}
@@ -33,7 +33,11 @@ import (
 	securityContext?: corev1.#SecurityContext
 
 	// Service
-	service: port: *80 | int & >0 & <=65535
+	service: {
+		port: *80 | int & >0 & <=65535
+		annotations?: {[ string]: string}
+		labels?: {[ string]: string}
+	}
 
 	// HorizontalPodAutoscaler (optional)
 	autoscaling: {
@@ -50,13 +54,14 @@ import (
 		tls:     *false | bool
 		host:    *"podinfo.local" | string
 		annotations?: {[ string]: string}
+		labels?: {[ string]: string}
 		className?: string
 	}
 
 	// ServiceMonitor (optional)
 	monitoring: {
 		enabled:  *false | bool
-		interval: *"15s" | string
+		interval: *15 | int & >=5 & <=3600
 	}
 
 	// Caching (optional)

timoni/podinfo/templates/deployment.cue

@@ -21,6 +21,10 @@ import (
 		if !_config.autoscaling.enabled {
 			replicas: _config.replicas
 		}
+		strategy: {
+			type: "RollingUpdate"
+			rollingUpdate: maxUnavailable: "50%"
+		}
 		selector: matchLabels: _config.metadata.labelSelector
 		template: {
 			metadata: {
@@ -28,6 +32,12 @@ import (
 				if _config.podAnnotations != _|_ {
 					annotations: _config.podAnnotations
 				}
+				if !_config.monitoring.enabled {
+					annotations: {
+						"prometheus.io/scrape": "true"
+						"prometheus.io/port":   "9797"
+					}
+				}
 			}
 			spec: corev1.#PodSpec & {
 				serviceAccountName: _config.metadata.name
@@ -42,6 +52,11 @@ import (
 								containerPort: 9898
 								protocol:      "TCP"
 							},
+							{
+								name:          "http-metrics"
+								containerPort: 9797
+								protocol:      "TCP"
+							},
 						]
 						livenessProbe: {
 							httpGet: {
@@ -64,6 +79,8 @@ import (
 						command: [
 							"./podinfo",
 							"--level=info",
+							"--port=9898",
+							"--port-metrics=9797",
 							if _config.caching.enabled {
 								"--cache-server=\(_config.caching.redisURL)"
 							},

timoni/podinfo/templates/ingress.cue

@@ -12,6 +12,9 @@ import (
 		name:      _config.metadata.name
 		namespace: _config.metadata.namespace
 		labels:    _config.metadata.labels
+		if _config.ingress.labels != _|_ {
+			labels: _config.ingress.labels
+		}
 		if _config.metadata.annotations != _|_ {
 			annotations: _config.metadata.annotations
 		}

timoni/podinfo/templates/service.cue

@@ -12,9 +12,15 @@ import (
 		name:      _config.metadata.name
 		namespace: _config.metadata.namespace
 		labels:    _config.metadata.labels
+		if _config.service.labels != _|_ {
+			labels: _config.service.labels
+		}
 		if _config.metadata.annotations != _|_ {
 			annotations: _config.metadata.annotations
 		}
+		if _config.service.annotations != _|_ {
+			annotations: _config.service.annotations
+		}
 	}
 	spec: corev1.#ServiceSpec & {
 		type:     corev1.#ServiceTypeClusterIP
@@ -26,6 +32,14 @@ import (
 				targetPort: "\(name)"
 				protocol:   "TCP"
 			},
+			if _config.monitoring.enabled {
+				{
+					name:       "http-metrics"
+					port:       9797
+					targetPort: "http-metrics"
+					protocol:   "TCP"
+				}
+			},
 		]
 	}
 }

timoni/podinfo/templates/servicemonitor.cue

@@ -18,7 +18,7 @@ import (
 		endpoints: [{
 			path:     "/metrics"
 			port:     "http-metrics"
-			interval: _config.monitoring.interval
+			interval: "\(_config.monitoring.interval)s"
 		}]
 		namespaceSelector: matchNames: [_config.metadata.namespace]
 		selector: matchLabels: _config.metadata.labelSelector