feat: add shareProcessNamespace for pods

Add a toggle for configuring the shareProcessNamespace stanza.

Author: cilindrox

charts/plex-media-server/README.md

@@ -130,6 +130,7 @@ Before contributing, please read the [Code of Conduct](../../CODE_OF_CONDUCT.md)
 | pms.readinessProbe | object | `{}` | Add kubernetes readiness probe to pms container. |
 | pms.resources | object | `{}` |  |
 | pms.securityContext | object | `{}` | Security context for PMS pods |
+| pms.shareProcessNamespace | bool | `false` | enable process namespace sharing within the pod. |
 | pms.storageClassName | string | `nil` | The storage class to use when provisioning the pms config volume this needs to be created manually, null will use the default |
 | priorityClassName | string | `""` |  |
 | rclone | object | `{"additionalArgs":[],"configSecret":"","enabled":false,"image":{"pullPolicy":"IfNotPresent","registry":"index.docker.io","repository":"rclone/rclone","sha":"","tag":"1.62.2"},"readOnly":true,"remotes":[],"resources":{}}` | The settings specific to rclone |

charts/plex-media-server/templates/statefulset.yaml

@@ -147,6 +147,9 @@ spec:
         securityContext:
           {{- toYaml . | nindent 10 }}
         {{- end }}
+      {{- if .Values.pms.shareProcessNamespace }}
+        shareProcessNamespace: {{ .Values.pms.shareProcessNamespace }}
+      {{- end }}
         volumeMounts:
         - name: pms-config
           mountPath: /config

charts/plex-media-server/values.yaml

@@ -62,6 +62,9 @@ pms:
   # -- Security context for PMS pods
   securityContext: {}
 
+  # -- enable process namespace sharing within the pod.
+  shareProcessNamespace: false
+
   # -- Add kubernetes liveness probe to pms container.
   livenessProbe: {}
     # httpGet: