[kube-stack] Add WARNING message in stdout when using auto-generated certs

charts/opentelemetry-kube-stack/Chart.yaml

@@ -1,6 +1,6 @@
 apiVersion: v2
 name: opentelemetry-kube-stack
-version: 0.14.8
+version: 0.14.9
 description: |
   OpenTelemetry Quickstart chart for Kubernetes.
   Installs an operator and collector for an easy way to get started with Kubernetes observability.

charts/opentelemetry-kube-stack/examples/cloud-demo/rendered/bridge.yaml

@@ -5,7 +5,7 @@ kind: OpAMPBridge
 metadata:
   name: example
   labels:
-    helm.sh/chart: opentelemetry-kube-stack-0.14.8
+    helm.sh/chart: opentelemetry-kube-stack-0.14.9
     app.kubernetes.io/version: "0.144.0"
     app.kubernetes.io/managed-by: Helm
     release: "example"    

charts/opentelemetry-kube-stack/examples/cloud-demo/rendered/collector.yaml

@@ -6,7 +6,7 @@ metadata:
   name: example-daemon
   namespace: default
   labels:
-    helm.sh/chart: opentelemetry-kube-stack-0.14.8
+    helm.sh/chart: opentelemetry-kube-stack-0.14.9
     app.kubernetes.io/version: "0.144.0"
     app.kubernetes.io/managed-by: Helm
     release: "example"        

charts/opentelemetry-kube-stack/examples/cloud-demo/rendered/hooks.yaml

@@ -61,4 +61,4 @@ spec:
           - "delete"
           - "instrumentations,opampbridges,opentelemetrycollectors"
           - "-l"
-          - "helm.sh/chart=opentelemetry-kube-stack-0.14.8"
+          - "helm.sh/chart=opentelemetry-kube-stack-0.14.9"

charts/opentelemetry-kube-stack/examples/cloud-demo/rendered/instrumentation.yaml

@@ -5,7 +5,7 @@ kind: Instrumentation
 metadata:
   name: example
   labels:
-    helm.sh/chart: opentelemetry-kube-stack-0.14.8
+    helm.sh/chart: opentelemetry-kube-stack-0.14.9
     app.kubernetes.io/version: "0.144.0"
     app.kubernetes.io/managed-by: Helm
     release: "example"    

charts/opentelemetry-kube-stack/examples/daemonset-annotation-discovery-logs/rendered/collector.yaml

@@ -6,7 +6,7 @@ metadata:
   name: example-daemon
   namespace: default
   labels:
-    helm.sh/chart: opentelemetry-kube-stack-0.14.8
+    helm.sh/chart: opentelemetry-kube-stack-0.14.9
     app.kubernetes.io/version: "0.144.0"
     app.kubernetes.io/managed-by: Helm
     release: "example"        

charts/opentelemetry-kube-stack/examples/daemonset-annotation-discovery-logs/rendered/hooks.yaml

@@ -61,4 +61,4 @@ spec:
           - "delete"
           - "instrumentations,opampbridges,opentelemetrycollectors"
           - "-l"
-          - "helm.sh/chart=opentelemetry-kube-stack-0.14.8"
+          - "helm.sh/chart=opentelemetry-kube-stack-0.14.9"

charts/opentelemetry-kube-stack/examples/daemonset-annotation-discovery-metrics/rendered/collector.yaml

@@ -6,7 +6,7 @@ metadata:
   name: example-daemon
   namespace: default
   labels:
-    helm.sh/chart: opentelemetry-kube-stack-0.14.8
+    helm.sh/chart: opentelemetry-kube-stack-0.14.9
     app.kubernetes.io/version: "0.144.0"
     app.kubernetes.io/managed-by: Helm
     release: "example"        

charts/opentelemetry-kube-stack/examples/daemonset-annotation-discovery-metrics/rendered/hooks.yaml

@@ -61,4 +61,4 @@ spec:
           - "delete"
           - "instrumentations,opampbridges,opentelemetrycollectors"
           - "-l"
-          - "helm.sh/chart=opentelemetry-kube-stack-0.14.8"
+          - "helm.sh/chart=opentelemetry-kube-stack-0.14.9"

charts/opentelemetry-kube-stack/examples/daemonset-annotation-discovery/rendered/collector.yaml

@@ -6,7 +6,7 @@ metadata:
   name: example-daemon
   namespace: default
   labels:
-    helm.sh/chart: opentelemetry-kube-stack-0.14.8
+    helm.sh/chart: opentelemetry-kube-stack-0.14.9
     app.kubernetes.io/version: "0.144.0"
     app.kubernetes.io/managed-by: Helm
     release: "example"        

charts/opentelemetry-kube-stack/examples/daemonset-annotation-discovery/rendered/hooks.yaml

@@ -61,4 +61,4 @@ spec:
           - "delete"
           - "instrumentations,opampbridges,opentelemetrycollectors"
           - "-l"
-          - "helm.sh/chart=opentelemetry-kube-stack-0.14.8"
+          - "helm.sh/chart=opentelemetry-kube-stack-0.14.9"

charts/opentelemetry-kube-stack/examples/default/rendered/collector.yaml

@@ -6,7 +6,7 @@ metadata:
   name: example-daemon
   namespace: default
   labels:
-    helm.sh/chart: opentelemetry-kube-stack-0.14.8
+    helm.sh/chart: opentelemetry-kube-stack-0.14.9
     app.kubernetes.io/version: "0.144.0"
     app.kubernetes.io/managed-by: Helm
     release: "example"        

charts/opentelemetry-kube-stack/examples/default/rendered/hooks.yaml

@@ -61,4 +61,4 @@ spec:
           - "delete"
           - "instrumentations,opampbridges,opentelemetrycollectors"
           - "-l"
-          - "helm.sh/chart=opentelemetry-kube-stack-0.14.8"
+          - "helm.sh/chart=opentelemetry-kube-stack-0.14.9"

charts/opentelemetry-kube-stack/examples/isolated-multicollector-deployment/rendered/collector.yaml

@@ -6,7 +6,7 @@ metadata:
   name: agent
   namespace: default
   labels:
-    helm.sh/chart: opentelemetry-kube-stack-0.14.8
+    helm.sh/chart: opentelemetry-kube-stack-0.14.9
     app.kubernetes.io/version: "0.144.0"
     app.kubernetes.io/managed-by: Helm
     release: "example"        
@@ -232,7 +232,7 @@ metadata:
   name: gateway
   namespace: default
   labels:
-    helm.sh/chart: opentelemetry-kube-stack-0.14.8
+    helm.sh/chart: opentelemetry-kube-stack-0.14.9
     app.kubernetes.io/version: "0.144.0"
     app.kubernetes.io/managed-by: Helm
     release: "example"        
@@ -365,7 +365,7 @@ metadata:
   name: ingress
   namespace: default
   labels:
-    helm.sh/chart: opentelemetry-kube-stack-0.14.8
+    helm.sh/chart: opentelemetry-kube-stack-0.14.9
     app.kubernetes.io/version: "0.144.0"
     app.kubernetes.io/managed-by: Helm
     release: "example"        

charts/opentelemetry-kube-stack/examples/isolated-multicollector-deployment/rendered/hooks.yaml

@@ -61,4 +61,4 @@ spec:
           - "delete"
           - "instrumentations,opampbridges,opentelemetrycollectors"
           - "-l"
-          - "helm.sh/chart=opentelemetry-kube-stack-0.14.8"
+          - "helm.sh/chart=opentelemetry-kube-stack-0.14.9"

charts/opentelemetry-kube-stack/examples/no-leader-election-extension/rendered/collector.yaml

@@ -6,7 +6,7 @@ metadata:
   name: example-cluster-stats
   namespace: default
   labels:
-    helm.sh/chart: opentelemetry-kube-stack-0.14.8
+    helm.sh/chart: opentelemetry-kube-stack-0.14.9
     app.kubernetes.io/version: "0.144.0"
     app.kubernetes.io/managed-by: Helm
     release: "example"        
@@ -173,7 +173,7 @@ metadata:
   name: example-daemon
   namespace: default
   labels:
-    helm.sh/chart: opentelemetry-kube-stack-0.14.8
+    helm.sh/chart: opentelemetry-kube-stack-0.14.9
     app.kubernetes.io/version: "0.144.0"
     app.kubernetes.io/managed-by: Helm
     release: "example"        

charts/opentelemetry-kube-stack/examples/no-leader-election-extension/rendered/hooks.yaml

@@ -61,4 +61,4 @@ spec:
           - "delete"
           - "instrumentations,opampbridges,opentelemetrycollectors"
           - "-l"
-          - "helm.sh/chart=opentelemetry-kube-stack-0.14.8"
+          - "helm.sh/chart=opentelemetry-kube-stack-0.14.9"

charts/opentelemetry-kube-stack/examples/prometheus-otel/rendered/collector.yaml

@@ -6,7 +6,7 @@ metadata:
   name: example-daemon
   namespace: default
   labels:
-    helm.sh/chart: opentelemetry-kube-stack-0.14.8
+    helm.sh/chart: opentelemetry-kube-stack-0.14.9
     app.kubernetes.io/version: "0.144.0"
     app.kubernetes.io/managed-by: Helm
     release: "example"    

charts/opentelemetry-kube-stack/examples/prometheus-otel/rendered/exporters/kube-api-server/servicemonitor.yaml

@@ -7,7 +7,7 @@ metadata:
   namespace: default
   labels:
     app: opentelemetry-kube-stack-apiserver
-    helm.sh/chart: opentelemetry-kube-stack-0.14.8
+    helm.sh/chart: opentelemetry-kube-stack-0.14.9
     app.kubernetes.io/version: "0.144.0"
     app.kubernetes.io/managed-by: Helm
     release: "example"

charts/opentelemetry-kube-stack/examples/prometheus-otel/rendered/exporters/kube-controller-manager/service.yaml

@@ -7,7 +7,7 @@ metadata:
   labels:
     app: opentelemetry-kube-stack-kube-controller-manager
     jobLabel: kube-controller-manager
-    helm.sh/chart: opentelemetry-kube-stack-0.14.8
+    helm.sh/chart: opentelemetry-kube-stack-0.14.9
     app.kubernetes.io/version: "0.144.0"
     app.kubernetes.io/managed-by: Helm
     release: "example"

charts/opentelemetry-kube-stack/examples/prometheus-otel/rendered/exporters/kube-controller-manager/servicemonitor.yaml

@@ -7,7 +7,7 @@ metadata:
   namespace: default
   labels:
     app: opentelemetry-kube-stack-kube-controller-manager
-    helm.sh/chart: opentelemetry-kube-stack-0.14.8
+    helm.sh/chart: opentelemetry-kube-stack-0.14.9
     app.kubernetes.io/version: "0.144.0"
     app.kubernetes.io/managed-by: Helm
     release: "example"

charts/opentelemetry-kube-stack/examples/prometheus-otel/rendered/exporters/kube-dns/service.yaml

@@ -7,7 +7,7 @@ metadata:
   labels:
     app: opentelemetry-kube-stack-kube-dns
     jobLabel: kube-dns
-    helm.sh/chart: opentelemetry-kube-stack-0.14.8
+    helm.sh/chart: opentelemetry-kube-stack-0.14.9
     app.kubernetes.io/version: "0.144.0"
     app.kubernetes.io/managed-by: Helm
     release: "example"

charts/opentelemetry-kube-stack/examples/prometheus-otel/rendered/exporters/kube-dns/servicemonitor.yaml

@@ -7,7 +7,7 @@ metadata:
   namespace: default
   labels:
     app: opentelemetry-kube-stack-kube-dns
-    helm.sh/chart: opentelemetry-kube-stack-0.14.8
+    helm.sh/chart: opentelemetry-kube-stack-0.14.9
     app.kubernetes.io/version: "0.144.0"
     app.kubernetes.io/managed-by: Helm
     release: "example"

charts/opentelemetry-kube-stack/examples/prometheus-otel/rendered/exporters/kube-etcd/service.yaml

@@ -7,7 +7,7 @@ metadata:
   labels:
     app: opentelemetry-kube-stack-kube-etcd
     jobLabel: kube-etcd
-    helm.sh/chart: opentelemetry-kube-stack-0.14.8
+    helm.sh/chart: opentelemetry-kube-stack-0.14.9
     app.kubernetes.io/version: "0.144.0"
     app.kubernetes.io/managed-by: Helm
     release: "example"

charts/opentelemetry-kube-stack/examples/prometheus-otel/rendered/exporters/kube-etcd/servicemonitor.yaml

@@ -7,7 +7,7 @@ metadata:
   namespace: default
   labels:
     app: opentelemetry-kube-stack-kube-etcd
-    helm.sh/chart: opentelemetry-kube-stack-0.14.8
+    helm.sh/chart: opentelemetry-kube-stack-0.14.9
     app.kubernetes.io/version: "0.144.0"
     app.kubernetes.io/managed-by: Helm
     release: "example"

charts/opentelemetry-kube-stack/examples/prometheus-otel/rendered/exporters/kube-proxy/service.yaml

@@ -7,7 +7,7 @@ metadata:
   labels:
     app: opentelemetry-kube-stack-kube-proxy
     jobLabel: kube-proxy
-    helm.sh/chart: opentelemetry-kube-stack-0.14.8
+    helm.sh/chart: opentelemetry-kube-stack-0.14.9
     app.kubernetes.io/version: "0.144.0"
     app.kubernetes.io/managed-by: Helm
     release: "example"

charts/opentelemetry-kube-stack/examples/prometheus-otel/rendered/exporters/kube-proxy/servicemonitor.yaml

@@ -7,7 +7,7 @@ metadata:
   namespace: default
   labels:
     app: opentelemetry-kube-stack-kube-proxy
-    helm.sh/chart: opentelemetry-kube-stack-0.14.8
+    helm.sh/chart: opentelemetry-kube-stack-0.14.9
     app.kubernetes.io/version: "0.144.0"
     app.kubernetes.io/managed-by: Helm
     release: "example"

charts/opentelemetry-kube-stack/examples/prometheus-otel/rendered/exporters/kube-scheduler/service.yaml

@@ -7,7 +7,7 @@ metadata:
   labels:
     app: opentelemetry-kube-stack-kube-scheduler
     jobLabel: kube-scheduler
-    helm.sh/chart: opentelemetry-kube-stack-0.14.8
+    helm.sh/chart: opentelemetry-kube-stack-0.14.9
     app.kubernetes.io/version: "0.144.0"
     app.kubernetes.io/managed-by: Helm
     release: "example"

charts/opentelemetry-kube-stack/examples/prometheus-otel/rendered/exporters/kube-scheduler/servicemonitor.yaml

@@ -7,7 +7,7 @@ metadata:
   namespace: default
   labels:
     app: opentelemetry-kube-stack-kube-scheduler
-    helm.sh/chart: opentelemetry-kube-stack-0.14.8
+    helm.sh/chart: opentelemetry-kube-stack-0.14.9
     app.kubernetes.io/version: "0.144.0"
     app.kubernetes.io/managed-by: Helm
     release: "example"

charts/opentelemetry-kube-stack/examples/prometheus-otel/rendered/hooks.yaml

@@ -61,4 +61,4 @@ spec:
           - "delete"
           - "instrumentations,opampbridges,opentelemetrycollectors"
           - "-l"
-          - "helm.sh/chart=opentelemetry-kube-stack-0.14.8"
+          - "helm.sh/chart=opentelemetry-kube-stack-0.14.9"

charts/opentelemetry-kube-stack/examples/secrets-csi-driver/rendered/collector.yaml

@@ -6,7 +6,7 @@ metadata:
   name: example-daemon
   namespace: default
   labels:
-    helm.sh/chart: opentelemetry-kube-stack-0.14.8
+    helm.sh/chart: opentelemetry-kube-stack-0.14.9
     app.kubernetes.io/version: "0.144.0"
     app.kubernetes.io/managed-by: Helm
     release: "example"        

charts/opentelemetry-kube-stack/examples/secrets-csi-driver/rendered/hooks.yaml

@@ -61,4 +61,4 @@ spec:
           - "delete"
           - "instrumentations,opampbridges,opentelemetrycollectors"
           - "-l"
-          - "helm.sh/chart=opentelemetry-kube-stack-0.14.8"
+          - "helm.sh/chart=opentelemetry-kube-stack-0.14.9"

charts/opentelemetry-kube-stack/templates/NOTES.txt

@@ -1,13 +1,5 @@
-{{- range $name, $collector := .Values.collectors }}
-{{- if $.Values.defaultCRConfig.enabled }}
-{{- $collector = (mergeOverwrite (deepCopy $.Values.defaultCRConfig) $collector) }}
-{{- end }}
-{{- if $collector.updateStrategy }}
-[WARNING] Collector '{{ $name }}': the 'updateStrategy' value is no longer supported in OpenTelemetryCollector v1beta1. Please migrate to use the `daemonSetUpdateStrategy` value.
-{{- end }}
-{{- end }}
-
 OpenTelemetry Kube Stack Helm Chart installation completed successfully!
+
 With the features you've enabled, you can:
 
 {{- if .Values.instrumentation.enabled }}
@@ -37,12 +29,38 @@ With the features you've enabled, you can:
 {{- $port := regexFind ":[0-9]+$" $endpoint }}
    - {{ $protocol }}: {{ $fullname }}-collector.{{ include "opentelemetry-kube-stack.namespace" $ }}.svc.cluster.local{{ $port }}
 {{- end -}}
-{{- end -}}
-{{- end -}}
-
-{{- if .Values.instrumentation.enabled }}
+{{- end }}
 
-For more details, visit:
+Learn more about application automatic instrumentation:
 https://opentelemetry.io/docs/platforms/kubernetes/operator/automatic/#add-annotations-to-existing-deployments
 {{ end -}}
-Happy observing!
+
+{{- range $name, $collector := .Values.collectors }}
+{{- if $.Values.defaultCRConfig.enabled }}
+{{- $collector = (mergeOverwrite (deepCopy $.Values.defaultCRConfig) $collector) }}
+{{- end }}
+{{- if $collector.updateStrategy }}
+
+[WARNING] Collector '{{ $name }}': the 'updateStrategy' value is no longer supported in OpenTelemetryCollector v1beta1.
+          Please migrate to use the `daemonSetUpdateStrategy` value.
+{{- end }}
+{{- end }}
+
+{{- $operatorValues := index .Values "opentelemetry-operator" }}
+{{- $operatorEnabled := dig "enabled" true $operatorValues }}
+{{- $certManagerEnabled := dig "admissionWebhooks" "certManager" "enabled" true $operatorValues }}
+{{- $autoGenerateCertEnabled := dig "admissionWebhooks" "autoGenerateCert" "enabled" true $operatorValues }}
+{{- $certPeriodDays := dig "admissionWebhooks" "autoGenerateCert" "certPeriodDays" 365 $operatorValues }}
+{{- $recreateCert := dig "admissionWebhooks" "autoGenerateCert" "recreate" true $operatorValues }}
+{{- if and $operatorEnabled (not $certManagerEnabled) $autoGenerateCertEnabled }}
+
+[WARNING] The OpenTelemetry Operator is using auto-generated certificates (valid for {{ $certPeriodDays }} days from installation).
+          After expiration, the Operator's admission webhooks will stop working and the Operator will become non-functional.
+          {{- if $recreateCert }}
+          Certificates can be renewed by running `helm upgrade`.
+          {{- end }}
+          For production environments, it is strongly recommended to use cert-manager instead of auto-generated certificates.
+          More details: https://github.com/open-telemetry/opentelemetry-helm-charts/blob/main/charts/opentelemetry-operator/README.md#tls-certificate-requirement
+{{- end }}
+
+ Happy observing!