add extraManifests feature

Author: kvaps

deploy/helm/kubernetes/scripts/configure-cluster.sh

@@ -132,3 +132,7 @@ kubeadm init phase addon kube-proxy --config /config/kubeadmcfg.yaml
 # uninstall kube-proxy addon
 kubectl --kubeconfig /etc/kubernetes/admin.conf -n kube-system delete configmap/kube-proxy daemonset/kube-proxy 2>/dev/null || true
 {{- end }}
+
+{{- with .Values.extraManifests }}{{"\n"}}
+kubectl apply{{- range $key, $value := . }} -f /manifests/{{ $key }}{{- end }}
+{{- end }}

deploy/helm/kubernetes/templates/extra-manifests.yaml

@@ -0,0 +1,16 @@
+{{- $fullName := include "kubernetes.fullname" . -}}
+{{- with .Values.extraManifests }}
+---
+apiVersion: v1
+kind: Secret
+metadata:
+  name: {{ $fullName }}-extra-manifests
+data:
+  {{- range $key, $value := . }}
+  {{- if eq (printf "%T" $value) "string" }}
+  {{ $key }}: {{ $value | b64enc }}
+  {{- else }}
+  {{ $key }}: {{ printf "%s\n" (toYaml $value) | b64enc }}
+  {{- end }}
+  {{- end }}
+{{- end }}

deploy/helm/kubernetes/templates/kubeadm-job.yaml

@@ -79,7 +79,7 @@ spec:
           name: pki-front-proxy-ca
         - mountPath: /scripts
           name: scripts
-        {{- if or .Values.konnectivityServer.enabled .Values.konnectivityAgent.enabled }}
+        {{- if or .Values.extraManifests .Values.konnectivityServer.enabled .Values.konnectivityAgent.enabled }}
         - mountPath: /manifests
           name: manifests
         {{- end }}
@@ -108,10 +108,14 @@ spec:
         configMap:
           name: "{{ $fullName }}-kubeadm-scripts"
           defaultMode: 0777
-      {{- if or .Values.konnectivityServer.enabled .Values.konnectivityAgent.enabled }}
+      {{- if or .Values.extraManifests .Values.konnectivityServer.enabled .Values.konnectivityAgent.enabled }}
       - name: manifests
         projected:
           sources:
+          {{- if or .Values.extraManifests }}
+          - secret:
+              name: "{{ $fullName }}-extra-manifests"
+          {{- end }}
           {{- if or .Values.konnectivityServer.enabled .Values.konnectivityAgent.enabled }}
           - configMap:
               name: "{{ $fullName }}-konnectivity-manifests"

deploy/helm/kubernetes/values.yaml

@@ -301,3 +301,11 @@ konnectivityAgent:
   sidecars: []
   extraVolumes: []
   extraVolumeMounts: []
+
+# these manifests will be applied inside the cluster
+extraManifests: {}
+  #namespace.yaml:
+  #  apiVersion: v1
+  #  kind: Namespace
+  #  metadata:
+  #    name: example