Use IANA ports for etcd

http://www.iana.org/assignments/service-names-port-numbers/service-names-port-numbers.xhtml?search=etcd

Use 2379 and 2380, not 4001 and 7001

contrib/ansible/roles/etcd/tasks/firewalld.yml

@@ -4,13 +4,13 @@
   # in case this is also a minion where firewalld turned off
   ignore_errors: yes
   with_items:
-        - 4001
-        - 7001
+        - 2379
+        - 2380
 
 - name: Save firewalld port for etcd
   firewalld: port={{ item }}/tcp permanent=true state=enabled
   # in case this is also a minion where firewalld turned off
   ignore_errors: yes
   with_items:
-        - 4001
-        - 7001
+        - 2379
+        - 2380

contrib/ansible/roles/etcd/tasks/iptables.yml

@@ -8,10 +8,10 @@
   service: name=iptables enabled=yes state=started
 
 - name: Open etcd client port with iptables
-  command: /sbin/iptables -I INPUT 1 -p tcp --dport {{ item }} -j ACCEPT -m comment --comment "etcd_client"
-  when: etcd_client not in iptablesrules.stdout
+  command: /sbin/iptables -I INPUT 1 -p tcp --dport {{ item }} -j ACCEPT -m comment --comment "etcd"
+  when: etcd not in iptablesrules.stdout
   notify:
           - Save iptables rules
   with_items:
-          - 4001
-          - 7001
+          - 2379
+          - 2380

contrib/ansible/roles/etcd/templates/etcd.conf.j2

@@ -1,4 +1,4 @@
 # etcd2.0
 ETCD_NAME=default
 ETCD_DATA_DIR="/var/lib/etcd/default.etcd"
-ETCD_LISTEN_CLIENT_URLS="http://0.0.0.0:4001"
+ETCD_LISTEN_CLIENT_URLS="http://0.0.0.0:2379"

contrib/ansible/roles/master/templates/apiserver.j2

@@ -17,7 +17,7 @@ KUBE_API_ADDRESS="--address=0.0.0.0"
 KUBE_SERVICE_ADDRESSES="--portal_net={{ kube_service_addresses }}"
 
 # Location of the etcd cluster
-KUBE_ETCD_SERVERS="--etcd_servers=http://{{ groups['etcd'][0] }}:4001"
+KUBE_ETCD_SERVERS="--etcd_servers=http://{{ groups['etcd'][0] }}:2379"
 
 # default admission control policies
 KUBE_ADMISSION_CONTROL="--admission_control=NamespaceAutoProvision,LimitRanger,ResourceQuota"