Various vagrant fixes, etcd 2.0

cluster/saltbase/salt/etcd/default

@@ -1,2 +1,6 @@
-{% set hostname = grains.host %}
-DAEMON_ARGS="-peer-addr {{hostname}}:7001 -name {{hostname}}"
+{% set etcd_servers = "127.0.0.1" -%}
+{% if grains.etcd_servers is defined -%}
+  {% set etcd_servers = grains.etcd_servers -%}
+{% endif -%}
+
+DAEMON_ARGS="-addr {{etcd_servers}}:4001 -bind-addr {{etcd_servers}}:4001 -data-dir /var/etcd"

cluster/saltbase/salt/etcd/etcd.service

@@ -6,6 +6,8 @@ Documentation=https://github.com/coreos/etcd
 Type=simple
 EnvironmentFile=/etc/default/etcd
 ExecStart=/usr/local/bin/etcd $DAEMON_ARGS
+Restart=always
+RestartSec=30
 
 [Install]
 WantedBy=multi-user.target