Adding shareProcessNamespace support

Author: AndrewFarley

charts/cronjob-multi/templates/cronjob-multi.yaml

@@ -47,6 +47,13 @@ spec:
 {{- end }}
 {{- end }}
         spec:
+
+{{- if $toplevel.Values.shareProcessNamespace }}
+{{- if (eq $toplevel.Values.shareProcessNamespace true) }}
+          shareProcessNamespace: true
+{{- end }}
+{{- end }}
+
           # If we have a priority class set, set it here
 {{- if $toplevel.Values.priorityClassName }}
           priorityClassName: "{{ $toplevel.Values.priorityClassName }}"

charts/cronjob-multi/values.yaml

@@ -67,6 +67,14 @@ startingDeadlineSeconds: 600
 # See: https://kubernetes.io/docs/concepts/scheduling-eviction/pod-priority-preemption/
 priorityClassName: ""
 
+# Share process namespace to allow sidecars to see each others processes.  You can use this feature to configure
+#    cooperating containers, such as a log handler sidecar container, or to troubleshoot container images that don't
+#    include debugging utilities like a shell.
+#
+# NOTE/WARNING: Enabling this may break certain containers that expect/demand their main process to be process #1.
+# See: https://kubernetes.io/docs/tasks/configure-pod-container/share-process-namespace/
+shareProcessNamespace: false
+
 # How many retries this cronjob will have by default
 backoffLimit: 0
 

charts/cronjob/templates/cronjob.yaml

@@ -40,6 +40,13 @@ spec:
 {{- end }}
 {{- end }}
         spec:
+
+{{- if .Values.shareProcessNamespace }}
+{{- if (eq .Values.shareProcessNamespace true) }}
+          shareProcessNamespace: true
+{{- end }}
+{{- end }}
+
           # If we have a priority class set, set it here
 {{- if .Values.priorityClassName }}
           priorityClassName: "{{ .Values.priorityClassName }}"

charts/cronjob/values.yaml

@@ -30,6 +30,14 @@ activeDeadlineSeconds: null
 # See: https://kubernetes.io/docs/concepts/scheduling-eviction/pod-priority-preemption/
 priorityClassName: ""
 
+# Share process namespace to allow sidecars to see each others processes.  You can use this feature to configure
+#    cooperating containers, such as a log handler sidecar container, or to troubleshoot container images that don't
+#    include debugging utilities like a shell.
+#
+# NOTE/WARNING: Enabling this may break certain containers that expect/demand their main process to be process #1.
+# See: https://kubernetes.io/docs/tasks/configure-pod-container/share-process-namespace/
+shareProcessNamespace: false
+
 # How many retries this cronjob will have by default
 backoffLimit: 0
 

charts/deployment/templates/deployment.yaml

@@ -62,6 +62,12 @@ spec:
 {{- end }}
     spec:
 
+{{- if .Values.shareProcessNamespace }}
+{{- if (eq .Values.shareProcessNamespace true) }}
+      shareProcessNamespace: true
+{{- end }}
+{{- end }}
+
       # If we have a hostname set, set it here
 {{- if .Values.hostname }}
       hostname: {{ with .Values.hostname }}{{ tpl . $ | quote }}{{- end }}

charts/deployment/values.yaml

@@ -16,6 +16,14 @@ revisionHistoryLimit: 10
 # See: https://kubernetes.io/docs/concepts/scheduling-eviction/pod-priority-preemption/
 priorityClassName: ""
 
+# Share process namespace to allow sidecars to see each others processes.  You can use this feature to configure
+#    cooperating containers, such as a log handler sidecar container, or to troubleshoot container images that don't
+#    include debugging utilities like a shell.
+#
+# NOTE/WARNING: Enabling this may break certain containers that expect/demand their main process to be process #1.
+# See: https://kubernetes.io/docs/tasks/configure-pod-container/share-process-namespace/
+shareProcessNamespace: false
+
 # Image repository location (override if needed)
 image:
   # Which image to release (NOTE: ONLY SPECIFY IF YOU ARE DEPLOYING EXTERNALLY, eg from dockerhub)

charts/statefulset/templates/statefulset.yaml

@@ -62,6 +62,12 @@ spec:
 {{- end }}
     spec:
 
+{{- if .Values.shareProcessNamespace }}
+{{- if (eq .Values.shareProcessNamespace true) }}
+      shareProcessNamespace: true
+{{- end }}
+{{- end }}
+
       # If we have a hostname set, set it here
 {{- if .Values.hostname }}
       hostname: {{ with .Values.hostname }}{{ tpl . $ | quote }}{{- end }}

charts/statefulset/values.yaml

@@ -16,6 +16,14 @@ revisionHistoryLimit: 10
 # See: https://kubernetes.io/docs/concepts/scheduling-eviction/pod-priority-preemption/
 priorityClassName: ""
 
+# Share process namespace to allow sidecars to see each others processes.  You can use this feature to configure
+#    cooperating containers, such as a log handler sidecar container, or to troubleshoot container images that don't
+#    include debugging utilities like a shell.
+#
+# NOTE/WARNING: Enabling this may break certain containers that expect/demand their main process to be process #1.
+# See: https://kubernetes.io/docs/tasks/configure-pod-container/share-process-namespace/
+shareProcessNamespace: false
+
 # Image repository location (override if needed)
 image:
   # Which image to release (NOTE: ONLY SPECIFY IF YOU ARE DEPLOYING EXTERNALLY, eg from dockerhub)