compatibility with etcd version 3.4.x (#12)

We need to make sure the etcd v2 protocol is enabled. tested with etcd v3.4.3
vitabaks · Feb 20, 2020 · 1b05ba5 · 1b05ba5
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diff --git a/tasks/etcd.yml b/tasks/etcd.yml
@@ -95,6 +95,8 @@
 - block:
     - name: etcd cluster | wait until the etcd cluster is healthy
       command: /usr/local/bin/etcdctl cluster-health
+      environment:
+        ETCDCTL_API: 2
       register: etcd_health_result
       run_once: true
       changed_when: false

diff --git a/templates/etcd.conf.j2 b/templates/etcd.conf.j2
@@ -9,3 +9,4 @@ ETCD_INITIAL_CLUSTER_STATE="new"
 ETCD_DATA_DIR="{{ etcd_data_dir }}"
 ETCD_ELECTION_TIMEOUT="5000"
 ETCD_HEARTBEAT_INTERVAL="1000"
+ETCD_ENABLE_V2="true"