Merge pull request #58 from gianrubio/etcdctl

Easily manage etcd cluster with env vars

config/templates/cloud-config-etcd

@@ -31,6 +31,7 @@ coreos:
             Environment=ETCD_LISTEN_PEER_URLS=https://%H:2380
             Environment=ETCD_INITIAL_ADVERTISE_PEER_URLS=https://%H:2380
             PermissionsStartOnly=true
+            ExecStartPre=/usr/bin/bash -c "sed -i \"s/^ETCDCTL_ENDPOINT.*$/ETCDCTL_ENDPOINT=https:\/\/$(hostname):2379/\" /etc/environment"
             ExecStartPre=/usr/bin/chown -R etcd:etcd /var/lib/etcd2
       enable: true
       command: start
@@ -86,6 +87,17 @@ coreos:
 
 
 write_files:
+
+  - path: /etc/environment
+    permissions: 0644
+    content: |
+      COREOS_PUBLIC_IPV4=$public_ipv4
+      COREOS_PRIVATE_IPV4=$private_ipv4
+      ETCDCTL_CA_FILE=/etc/etcd2/ssl/ca.pem
+      ETCDCTL_CERT_FILE=/etc/etcd2/ssl/etcd-client.pem
+      ETCDCTL_KEY_FILE=/etc/etcd2/ssl/etcd-client-key.pem
+      ETCDCTL_ENDPOINT=
+
   - path: /opt/bin/ext4-format-volume-once
     permissions: 0700
     owner: root:root
@@ -120,3 +132,11 @@ write_files:
   - path: /etc/etcd2/ssl/etcd.pem.enc
     encoding: gzip+base64
     content: {{.TLSConfig.EtcdCert}}
+
+  - path: /etc/etcd2/ssl/etcd-client.pem.enc
+    encoding: gzip+base64
+    content: {{.TLSConfig.EtcdClientCert}}
+
+  - path: /etc/etcd2/ssl/etcd-client-key.pem.enc
+    encoding: gzip+base64
+    content: {{.TLSConfig.EtcdClientKey}}