## Urgent Upgrade Notes

### (No, really, you MUST read this before you upgrade)

- kube-apiserver:

    <root-XML localName="RDF" namespaceURI="http://www.w3.org/1999/02/22-rdf-syntax-ns#"/>
    <sub-class-of type="application/xml"/>
    <acronym>RDF/XML</acronym>
    <_comment>XML syntax for RDF graphs</_comment>

    <glob pattern="*.rdf"/>
    <glob pattern="*.owl"/>
    <glob pattern="^rdf$" isregex="true"/>
    <glob pattern="^owl$" isregex="true"/>
    <glob pattern="*.xmp"/>
  </mime-type>

// https://www.iana.org/domains/root/db/grainger.html
grainger

// graphics : Binky Moon, LLC
// https://www.iana.org/domains/root/db/graphics.html
graphics

// gratis : Binky Moon, LLC
// https://www.iana.org/domains/root/db/gratis.html
gratis

// green : Identity Digital Limited
// https://www.iana.org/domains/root/db/green.html
green

// gripe : Binky Moon, LLC

permissions on them manually. ([#47605](https://github.com/kubernetes/kubernetes/pull/47605), [@brendandburns](https://github.com/brendandburns))

* GKE/GCE: New and upgraded 1.7 GCE/GKE clusters no longer have an RBAC ClusterRoleBinding that grants the cluster-admin ClusterRole to the default service account in the kube-system Namespace. ([#46750](https://github.com/kubernetes/kubernetes/pull/46750), [@cjcullen](https://github.com/cjcullen)). If this permission is still desired, run the following...

* StatefulSet: The deprecated...

  You can still access kubelet's `/healthz`, `/pods` and `/configz` by granting the caller `nodes/proxy` permission in RBAC but that also grants the caller permissions to exec, run and attach to containers on the nodes and doing so does not follow the least privilege principle. Granting callers more permissions than they need can give attackers an opportunity to escalate privileges. ([#12...

simplified heapster that is able to gather and serve current metrics values. It provides the Metrics API that is used by `kubectl top`, and horizontal pod autoscaler. Note that it doesn't include some features of Heapster, such as short term metrics for graphs in kube-dashboard and dedicated push sinks, which proved hard to maintain and scale. Clusters using Heapster for transferring metrics into long-term storage should consider using their metric solution's native Kubernetes support, if present, or should...