diff options
| author |   James MacNider <James.MacNider@amdocs.com> | 2019-04-09 18:10:18 +0000 |
|---|---|---|
| committer |   Gerrit Code Review <gerrit@onap.org> | 2019-04-09 18:10:18 +0000 |
| commit | 44a128889d49c381a09df04b141864eef73674aa (patch) | |
| tree | 863ac9b403a165cd9958bc473292338b4143dd61 /kubernetes/dmaap/components | |
| parent | 620b4bfc9c0432e3ae24076482658b82a9da42f8 (diff) | |
| parent | bfd5906e06e6fbbf70c389400075c5f0734d69f5 (diff) | |
Merge "if increasing zookeeper quorom wont be maintained"
Diffstat (limited to 'kubernetes/dmaap/components')
2 files changed, 35 insertions, 1 deletions
diff --git a/kubernetes/dmaap/components/message-router/charts/message-router-zookeeper/templates/_zkquorum.tpl b/kubernetes/dmaap/components/message-router/charts/message-router-zookeeper/templates/_zkquorum.tpl new file mode 100644 index 0000000000..9af910eb89 --- /dev/null +++ b/kubernetes/dmaap/components/message-router/charts/message-router-zookeeper/templates/_zkquorum.tpl @@ -0,0 +1,34 @@ +{{/* +# Copyright © 2019 Amdocs, Bell Canada +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. +*/}} + +{{- /* + Calculate the maximum number of zk server down in order to guarantee ZK quorum. + For guaranteeing ZK quorum we need half of the server + 1 up. + + div in go template cast return an int64 + so we need to know if it is an even number or an odd. + For this we are doing (n/2)*2=n? + if true it is even else it is even +*/ -}} +{{- define "zk.maxUnavailable" -}} +{{- $halfReplica := div .Values.replicaCount 2 -}} + {{/* divide by 2 and multiply by 2 in order to know if it is an even number*/}} + {{if eq (mul $halfReplica 2) (int .Values.replicaCount) }} + {{- toYaml (sub $halfReplica 1) -}} + {{else}} + {{- toYaml $halfReplica -}} + {{end}} +{{- end -}} diff --git a/kubernetes/dmaap/components/message-router/charts/message-router-zookeeper/templates/poddisruptionbudget.yaml b/kubernetes/dmaap/components/message-router/charts/message-router-zookeeper/templates/poddisruptionbudget.yaml index 2d251e90b0..5a370cdc4a 100644 --- a/kubernetes/dmaap/components/message-router/charts/message-router-zookeeper/templates/poddisruptionbudget.yaml +++ b/kubernetes/dmaap/components/message-router/charts/message-router-zookeeper/templates/poddisruptionbudget.yaml @@ -25,4 +25,4 @@ spec: selector: matchLabels: app: {{ include "common.name" . }} - maxUnavailable: {{ div (sub .Values.replicaCount 1) 2 }} + maxUnavailable: {{ include "zk.maxUnavailable" . }} |