Promtail clusterrole permit privilege escalation from node proxy resource.

[navin-sharma13]

Issue: Privilege Escalation from Node Proxy in Promtail

We encountered the following security audit issue for Promtail:
Cluster Roles allow privilege escalation from node proxy

Currently, the access to the nodes/proxy resource via in clusterrole is hard-coded in the helm-chart - charts/promtail/templates/clusterrole.yaml file.

Questions:

1. Does Promtail have a dependency on the nodes/proxy resource?

2. Is it possible to bypass or remove access to nodes/proxy in Cluster role without impacting Promtail's functionality?