Process Exporter: Override Children Parameter

Currently  resource usage of subprocesses is added
in to their parent's usage. And this will provide
option to override.

Change-Id: I22c36e5a6f354f6318e72798ce9865011a85b2af

prometheus-process-exporter/templates/daemonset.yaml

@@ -72,6 +72,9 @@ spec:
 {{ tuple $envAll $envAll.Values.pod.resources.process_exporter | include "helm-toolkit.snippets.kubernetes_resources" | indent 10 }}
 {{ dict "envAll" $envAll "application" "metrics" "container" "process_exporter" | include "helm-toolkit.snippets.kubernetes_container_security_context" | indent 10 }}
           args:
+{{- if .Values.conf.children }}
+            - -children={{ .Values.conf.children }}
+{{- end }}
             - -procnames
             - {{ .Values.conf.processes }}
           ports:

prometheus-process-exporter/values.yaml

@@ -159,3 +159,4 @@ manifests:
 
 conf:
   processes: dockerd,kubelet,kube-proxy,bgsagent,bgscollect,bgssd
+  children: true