BuildLineGmbH opened a new issue, #111:
URL: https://github.com/apache/couchdb-helm/issues/111
**Describe the bug**
On existing couchdb clusters a upgrade from version 3.6.0 to 3.6.1 with
default erlang cookie will fail.
**A clear and concise description of what the bug is.**
Commit 625d143 removes the default value "monster" in `couchdb/values.yaml `
for erlang cookie.
If no custom cookie value was defined in values.yaml, nodes cannot connect
to existing cluster nodes.
**Version of Helm and Kubernetes**:
helm: v3.7.2
k8s: 1.23.8, 1.23.16 & 1.24.10
**What happened**:
Upgraded Pod will not start and cannot connect to cluster nodes.
**What you expected to happen**:
Upgrade should work.
**How to reproduce it** (as minimally and precisely as possible):
- take default values.yaml for version 3.6.0
- set cluster size to min 2
- deploy 3.6.0
- upgrade version to 3.6.1
**Anything else we need to know**:
Workaround:
Add erlang flags section into `values.yaml`
```yaml
erlangFlags:
name: couchdb
setcookie: monster
```
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