Remove support for federation in deploy script (#229)

* remove support for federation in deploy script
* remove get node permissions

Signed-off-by: Sandeep Rajan <srajan@infoblox.com>

kubernetes/coredns.yaml.sed

@@ -21,12 +21,6 @@ rules:
   verbs:
   - list
   - watch
-- apiGroups:
-  - ""
-  resources:
-  - nodes
-  verbs:
-  - get
 ---
 apiVersion: rbac.authorization.k8s.io/v1
 kind: ClusterRoleBinding
@@ -60,7 +54,7 @@ data:
         ready
         kubernetes CLUSTER_DOMAIN REVERSE_CIDRS {
           fallthrough in-addr.arpa ip6.arpa
-        }FEDERATIONS
+        }
         prometheus :9153
         forward . UPSTREAMNAMESERVER
         cache 30

kubernetes/deploy.sh

@@ -23,23 +23,13 @@ CLUSTER_DOMAIN=cluster.local
 YAML_TEMPLATE="$DIR/coredns.yaml.sed"
 STUBDOMAINS=""
 UPSTREAM=\\/etc\\/resolv\.conf
-FEDERATIONS=""
-
 
 # Translates the kube-dns ConfigMap to equivalent CoreDNS Configuration.
 function translate-kube-dns-configmap {
-    kube-dns-federation-to-coredns
     kube-dns-upstreamnameserver-to-coredns
     kube-dns-stubdomains-to-coredns
 }
 
-function kube-dns-federation-to-coredns {
-  fed=$(kubectl -n kube-system get configmap kube-dns  -ojsonpath='{.data.federations}' 2> /dev/null | jq . | tr -d '":,')
-  if [[ ! -z ${fed} ]]; then
-  FEDERATIONS=$(sed -e '1s/^/federation /' -e 's/^/        /' -e '1i\\' <<< "${fed}") # add federation to the stanza
-  fi
-}
-
 function kube-dns-upstreamnameserver-to-coredns {
   up=$(kubectl -n kube-system get configmap kube-dns  -ojsonpath='{.data.upstreamNameservers}' 2> /dev/null | tr -d '[",]')
   if [[ ! -z ${up} ]]; then
@@ -127,6 +117,5 @@ sed -e "s/CLUSTER_DNS_IP/$CLUSTER_DNS_IP/g" \
     -e "s/CLUSTER_DOMAIN/$CLUSTER_DOMAIN/g" \
     -e "s?REVERSE_CIDRS?$REVERSE_CIDRS?g" \
     -e "s@STUBDOMAINS@${STUBDOMAINS//$orig/$replace}@g" \
-    -e "s@FEDERATIONS@${FEDERATIONS//$orig/$replace}@g" \
     -e "s/UPSTREAMNAMESERVER/$UPSTREAM/g" \
     "${YAML_TEMPLATE}"