Make runtime namespace configurable (#145)

Making the runtime namespace configurable makes it possible to run
locally outside of the cluster. This is useful for quick development
testing.

Signed-off-by: Philip Laine <philip.laine@gmail.com>

helm/kubernetes-operator/templates/deployment.yaml

@@ -45,6 +45,7 @@ spec:
           - --leader-elect
           - --health-probe-bind-address=:{{ .Values.operator.livenessProbe.port }}
           - --webhook-cert-path=/tmp/k8s-webhook-server/serving-certs
+          - --runtime-namespace=$(POD_NAMESPACE)
           {{- if .Values.managementURL }}
           - --netbird-management-url={{.Values.managementURL}}
           {{- end }}
@@ -87,8 +88,12 @@ spec:
             periodSeconds: {{ .Values.operator.livenessProbe.periodSeconds }}
             successThreshold: {{ .Values.operator.livenessProbe.successThreshold }}
             timeoutSeconds: {{ .Values.operator.livenessProbe.timeoutSeconds }}
-          {{- if or .Values.netbirdAPI.key .Values.netbirdAPI.keyFromSecret }}
           env:
+            - name: POD_NAMESPACE
+              valueFrom:
+                fieldRef:
+                  fieldPath: metadata.namespace
+          {{- if or .Values.netbirdAPI.key .Values.netbirdAPI.keyFromSecret }}
             - name: NB_API_KEY
               valueFrom:
                 secretKeyRef: