From f38eef42dcaf32402aec95c0da2fb4e0f7e5dfd5 Mon Sep 17 00:00:00 2001 From: Jeff Cantrill Date: Wed, 22 Mar 2017 10:00:48 -0400 Subject: openshift_logging calculate min_masters to fail early on split brain --- roles/openshift_logging/templates/elasticsearch.yml.j2 | 1 + roles/openshift_logging/vars/main.yaml | 2 ++ 2 files changed, 3 insertions(+) diff --git a/roles/openshift_logging/templates/elasticsearch.yml.j2 b/roles/openshift_logging/templates/elasticsearch.yml.j2 index 21708dc12..a030c26b5 100644 --- a/roles/openshift_logging/templates/elasticsearch.yml.j2 +++ b/roles/openshift_logging/templates/elasticsearch.yml.j2 @@ -29,6 +29,7 @@ cloud: discovery: type: kubernetes zen.ping.multicast.enabled: false + zen.minimum_master_nodes: {{es_min_masters}} gateway: expected_master_nodes: ${NODE_QUORUM} diff --git a/roles/openshift_logging/vars/main.yaml b/roles/openshift_logging/vars/main.yaml index 07cc05683..c3064cee9 100644 --- a/roles/openshift_logging/vars/main.yaml +++ b/roles/openshift_logging/vars/main.yaml @@ -1,6 +1,8 @@ --- openshift_master_config_dir: "{{ openshift.common.config_base }}/master" es_node_quorum: "{{openshift_logging_es_cluster_size|int/2 + 1}}" +es_min_masters_default: "{{ (openshift_logging_es_cluster_size | int / 2 | round(0,'floor') + 1) | int }}" +es_min_masters: "{{ (openshift_logging_es_cluster_size == 1) | ternary(1, es_min_masters_default)}}" es_recover_after_nodes: "{{openshift_logging_es_cluster_size|int - 1}}" es_recover_expected_nodes: "{{openshift_logging_es_cluster_size|int}}" es_ops_node_quorum: "{{openshift_logging_es_ops_cluster_size|int/2 + 1}}" -- cgit v1.2.3