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Improve etcd scale up (#1846)

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Now adding unjoined members to existing etcd cluster
occurs one at a time so that the cluster does not
lose quorum.
This commit is contained in:
Matthew Mosesohn
2017-10-20 08:02:31 +01:00
committed by GitHub
parent 55b9d02a99
commit 514359e556
3 changed files with 51 additions and 5 deletions
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2
roles/etcd/templates/etcd-docker.service.j2
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@@ -6,7 +6,7 @@ After=docker.service
[Service]
User=root
PermissionsStartOnly=true
EnvironmentFile=/etc/etcd.env
EnvironmentFile=-/etc/etcd.env
ExecStart={{ bin_dir }}/etcd
ExecStartPre=-{{ docker_bin_dir }}/docker rm -f {{ etcd_member_name | default("etcd") }}
ExecStop={{ docker_bin_dir }}/docker stop {{ etcd_member_name | default("etcd") }}