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| author | Devan Goodwin <dgoodwin@redhat.com> | 2015-12-04 09:32:40 -0400 |
|---|---|---|
| committer | Devan Goodwin <dgoodwin@redhat.com> | 2015-12-11 09:46:48 -0400 |
| commit | bee65e693b56a89e709d2125e08bcddb13310c9f (patch) | |
| tree | 246f1dcb1f46b133489e0b502420265ea71d75db /playbooks/common/openshift-etcd | |
| parent | 056309be29f86c4250273b6afb191e541b089986 (diff) | |
Bring first etcd server up before others.
In faster environments (i.e. all local VMs) etcd nodes could come online at
roughly the same time leading to conflicts with self-elections, resulting in a
non-functional cluster.
To solve we configure the first etcd host by itself, then configure the
remaining ones in parallel to keep things as fast as possible.
Diffstat (limited to 'playbooks/common/openshift-etcd')
| -rw-r--r-- | playbooks/common/openshift-etcd/config.yml | 28 |
1 files changed, 26 insertions, 2 deletions
diff --git a/playbooks/common/openshift-etcd/config.yml b/playbooks/common/openshift-etcd/config.yml index 7d94ced2e..3d7a884e8 100644 --- a/playbooks/common/openshift-etcd/config.yml +++ b/playbooks/common/openshift-etcd/config.yml @@ -68,8 +68,32 @@ validate_checksum: yes with_items: etcd_needing_server_certs -- name: Configure etcd hosts - hosts: oo_etcd_to_config +# Configure a first etcd host to avoid conflicts in choosing a leader +# if other members come online too quickly. +- name: Configure first etcd host + hosts: oo_first_etcd + vars: + sync_tmpdir: "{{ hostvars.localhost.g_etcd_mktemp.stdout }}" + etcd_url_scheme: https + etcd_peer_url_scheme: https + etcd_peers_group: oo_etcd_to_config + pre_tasks: + - name: Ensure certificate directory exists + file: + path: "{{ etcd_cert_config_dir }}" + state: directory + - name: Unarchive the tarball on the etcd host + unarchive: + src: "{{ sync_tmpdir }}/{{ etcd_cert_subdir }}.tgz" + dest: "{{ etcd_cert_config_dir }}" + when: etcd_server_certs_missing + roles: + - etcd + - role: nickhammond.logrotate + +# Configure the remaining etcd hosts, skipping the first one we dealt with above. +- name: Configure remaining etcd hosts + hosts: oo_etcd_to_config:!oo_first_etcd vars: sync_tmpdir: "{{ hostvars.localhost.g_etcd_mktemp.stdout }}" etcd_url_scheme: https |