connectors: convert pod-monitor.yaml to go

charts/connectors/podmonitor.go

@@ -0,0 +1,56 @@
+// Licensed to the Apache Software Foundation (ASF) under one or more
+// contributor license agreements.  See the NOTICE file distributed with
+// this work for additional information regarding copyright ownership.
+// The ASF licenses this file to You under the Apache License, Version 2.0
+// (the "License"); you may not use this file except in compliance with
+// the License.  You may obtain a copy of the License at
+//
+//	http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+// +gotohelm:filename=_pod-monitor.go.tpl
+package connectors
+
+import (
+	monitoringv1 "github.com/prometheus-operator/prometheus-operator/pkg/apis/monitoring/v1"
+	"github.com/redpanda-data/helm-charts/pkg/gotohelm/helmette"
+	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+)
+
+func PodMonitor(dot *helmette.Dot) *monitoringv1.PodMonitor {
+	values := helmette.Unwrap[Values](dot.Values)
+
+	// TODO Add check for .Capabilities.APIVersions.Has "monitoring.coreos.com/v1"
+	if !values.Monitoring.Enabled {
+		return nil
+	}
+
+	return &monitoringv1.PodMonitor{
+		TypeMeta: metav1.TypeMeta{
+			APIVersion: "monitoring.coreos.com/v1",
+			Kind:       "PodMonitor",
+		},
+		ObjectMeta: metav1.ObjectMeta{
+			Name:        Fullname(dot),
+			Labels:      values.Monitoring.Labels,
+			Annotations: values.Monitoring.Annotations,
+		},
+		Spec: monitoringv1.PodMonitorSpec{
+			NamespaceSelector: values.Monitoring.NamespaceSelector,
+			PodMetricsEndpoints: []monitoringv1.PodMetricsEndpoint{
+				{
+					Path: "/",
+					Port: "prometheus",
+				},
+			},
+			Selector: metav1.LabelSelector{
+				MatchLabels: PodLabels(dot),
+			},
+		},
+	}
+}

charts/connectors/templates/_pod-monitor.go.tpl

@@ -0,0 +1,18 @@
+{{- /* Generated from "podmonitor.go" */ -}}
+
+{{- define "connectors.PodMonitor" -}}
+{{- $dot := (index .a 0) -}}
+{{- range $_ := (list 1) -}}
+{{- $_is_returning := false -}}
+{{- $values := $dot.Values.AsMap -}}
+{{- if (not $values.monitoring.enabled) -}}
+{{- $_is_returning = true -}}
+{{- (dict "r" (coalesce nil)) | toJson -}}
+{{- break -}}
+{{- end -}}
+{{- $_is_returning = true -}}
+{{- (dict "r" (mustMergeOverwrite (dict "metadata" (dict "creationTimestamp" (coalesce nil) ) "spec" (dict "podMetricsEndpoints" (coalesce nil) "selector" (dict ) "namespaceSelector" (dict ) ) ) (mustMergeOverwrite (dict ) (dict "apiVersion" "monitoring.coreos.com/v1" "kind" "PodMonitor" )) (dict "metadata" (mustMergeOverwrite (dict "creationTimestamp" (coalesce nil) ) (dict "name" (get (fromJson (include "connectors.Fullname" (dict "a" (list $dot) ))) "r") "labels" $values.monitoring.labels "annotations" $values.monitoring.annotations )) "spec" (mustMergeOverwrite (dict "podMetricsEndpoints" (coalesce nil) "selector" (dict ) "namespaceSelector" (dict ) ) (dict "namespaceSelector" $values.monitoring.namespaceSelector "podMetricsEndpoints" (list (mustMergeOverwrite (dict "bearerTokenSecret" (dict "key" "" ) ) (dict "path" "/" "port" "prometheus" ))) "selector" (mustMergeOverwrite (dict ) (dict "matchLabels" (get (fromJson (include "connectors.PodLabels" (dict "a" (list $dot) ))) "r") )) )) ))) | toJson -}}
+{{- break -}}
+{{- end -}}
+{{- end -}}
+

charts/connectors/templates/pod-monitor.yaml

@@ -1,4 +1,3 @@
-{{- if and (.Capabilities.APIVersions.Has "monitoring.coreos.com/v1") .Values.monitoring.enabled }}
 {{/*
 Licensed to the Apache Software Foundation (ASF) under one or more
 contributor license agreements.  See the NOTICE file distributed with
@@ -15,26 +14,9 @@ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 See the License for the specific language governing permissions and
 limitations under the License.
 */}}
-
-apiVersion: monitoring.coreos.com/v1
-kind: PodMonitor
-metadata:
-  name: {{ template "connectors.fullname" . }}
-  labels:
-{{- with .Values.monitoring.labels }}
-  {{- toYaml . | nindent 4 }}
-{{- end }}
-  annotations:
-{{- with .Values.monitoring.annotations }}
-  {{- toYaml . | nindent 4 }}
-{{- end }}
-spec:
-{{- with .Values.monitoring.namespaceSelector }}
-  namespaceSelector: {{- toYaml . | nindent 4}}
-{{- end }}
-  podMetricsEndpoints:
-    - path: /
-      port: prometheus
-  selector:
-    matchLabels: {{ (include "connectors-pod-labels" .) | nindent 6 }}
+{{ $pm := (get ((include "connectors.PodMonitor" (dict "a" (list .))) | fromJson) "r") }}
+{{- if ne $pm nil -}}
+---
+{{ toYaml $pm }}
 {{- end }}
+