Untar etcd as root and change ownership (#120)

Author: hectorhuertas

resources/etcd-member.service

@@ -35,11 +35,12 @@ Environment="ETCD_PEER_TRUSTED_CA_FILE=/etc/etcd/ssl/ca.pem"
 Environment="ETCD_PEER_CERT_FILE=/etc/etcd/ssl/node.pem"
 Environment="ETCD_PEER_KEY_FILE=/etc/etcd/ssl/node-key.pem"
 
-ExecStartPre=-/bin/sh -c "\
+ExecStartPre=-+/bin/sh -c "\
   test ! -f /opt/bin/etcd && \
   test -f /opt/bin/etcd.tar.gz && \
   tar --strip-components=1 -C /opt/bin \
-    -xzf /opt/bin/etcd.tar.gz etcd-${etcd_version}-linux-amd64/etcd"
+    -xzf /opt/bin/etcd.tar.gz etcd-${etcd_version}-linux-amd64/etcd && \
+  chown etcd:etcd /opt/bin/etcd"
 
 ExecStart=/opt/bin/etcd