Use absolute path for etcdctl

Small fix. The shell module won't automatically resolve the path to the etcdctl binary, so i prefixed with {{ bin_dir }}/

roles/etcd/tasks/configure.yml

 ---
 - name: Configure | Check if member is in cluster
-  shell: "etcdctl --no-sync --peers={{ etcd_access_addresses }} member list | grep -q {{ etcd_access_address }}"
+  shell: "{{ bin_dir }}/etcdctl --no-sync --peers={{ etcd_access_addresses }} member list | grep -q {{ etcd_access_address }}"
   register: etcd_member_in_cluster
   ignore_errors: true
   changed_when: false
@@ -8,7 +8,7 @@
 
 - name: Configure | Add member to the cluster if it is not there
   when: is_etcd_master and etcd_member_in_cluster.rc != 0 and etcd_cluster_is_healthy.rc == 0
-  shell: "etcdctl --peers={{ etcd_access_addresses }} member add {{ etcd_member_name }} {{ etcd_peer_url }}"
+  shell: "{{ bin_dir }}/etcdctl --peers={{ etcd_access_addresses }} member add {{ etcd_member_name }} {{ etcd_peer_url }}"
 
 - name: Configure | Copy etcd.service systemd file
   template:

roles/etcd/tasks/set_cluster_health.yml

 ---
 - name: Configure | Check if cluster is healthy
-  shell: "etcdctl --peers={{ etcd_access_addresses }} cluster-health | grep -q 'cluster is healthy'"
+  shell: "{{ bin_dir }}/etcdctl --peers={{ etcd_access_addresses }} cluster-health | grep -q 'cluster is healthy'"
   register: etcd_cluster_is_healthy
   ignore_errors: true
   changed_when: false