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@marvinWolff marvinWolff commented Jul 9, 2025

Summary by CodeRabbit

  • New Features
    • Added new environment settings to enhance AWS request and response handling.
    • Introduced a new method for primary updates, now set to "switchover".

…v-vars to make it compatible with newer barman
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coderabbitai bot commented Jul 9, 2025

Walkthrough

The cluster configuration was modified to add two AWS-related environment variables and a new field specifying the primary update method as "switchover". No other fields or logic were changed in the cluster specification.

Changes

File Change Summary
charts/teuto-cnpg/templates/cluster.yaml Added AWS checksum environment variables and set primaryUpdateMethod to "switchover" in spec.

Poem

In the cluster's gentle YAML breeze,
Two new envs now aim to please.
With switchover set, the updates flow,
AWS checksums in tow.
The cluster hops with changes bright—
A rabbit’s touch, all done just right! 🐇✨


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Actionable comments posted: 0

🧹 Nitpick comments (1)
charts/teuto-cnpg/templates/cluster.yaml (1)

8-12: Hard-coded env vars reduce chart flexibility

Embedding the checksum variables directly in the template prevents users from overriding or disabling them via values.yaml.

Recommend parameterising:

-  podTemplate:
-    env:
-      - name: AWS_REQUEST_CHECKSUM_CALCULATION
-        value: when_required
-      - name: AWS_RESPONSE_CHECKSUM_VALIDATION
-        value: when_required
+  podTemplate:
+    env:
+{{- with .Values.extraEnv }}
+{{ toYaml . | indent 4 }}
+{{- end }}

and documenting extraEnv in values.yaml.

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Configuration used: CodeRabbit UI
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📥 Commits

Reviewing files that changed from the base of the PR and between 134e3c1 and 8bd3baf.

📒 Files selected for processing (1)
  • charts/teuto-cnpg/templates/cluster.yaml (1 hunks)
🔇 Additional comments (2)
charts/teuto-cnpg/templates/cluster.yaml (2)

15-15: primaryUpdateMethod: switchover requires CNPG ≥ 1.20

The primaryUpdateMethod knob was introduced fairly recently. Ensure every cluster that will consume this chart is running a CloudNative-PG operator version that supports it; otherwise the apply will fail.

If you still support older operator versions, consider guarding this field behind a Values flag:

{{- if .Values.enablePrimarySwitchover }}
  primaryUpdateMethod: switchover
{{- end }}

8-12: Verify spec.env support in CloudNative-PG Cluster CRD

File: charts/teuto-cnpg/templates/cluster.yaml (lines 8–12)

The Cluster CRD for CloudNative-PG does not expose a top-level spec.env; environment variables belong under spec.podTemplate. If spec.env is unrecognized, applying this chart will fail with:

unknown field "env" in io.cnpg.postgresql.v1.Cluster.spec

Suggested change:

 spec:
-  env:
-  - name: AWS_REQUEST_CHECKSUM_CALCULATION
-    value: when_required
-  - name: AWS_RESPONSE_CHECKSUM_VALIDATION
-    value: when_required
+  podTemplate:
+    env:
+      - name: AWS_REQUEST_CHECKSUM_CALCULATION
+        value: when_required
+      - name: AWS_RESPONSE_CHECKSUM_VALIDATION
+        value: when_required

Steps to verify:

  • Inspect your CRD schema (e.g. check crds/ in the chart or run kubectl get crd clusters.cnpg.io -o yaml).
  • Run a server-side dry-run:
helm template charts/teuto-cnpg | kubectl apply --dry-run=server -f -

to confirm the manifest is accepted by the API server.

@teutonet-bot
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🤖 I have diffed this beep boop

"/$namespace/$kind/$name.yaml" for normal resources
"/$namespace/HelmRelease/$name/$namespace/$kind/$name.yaml" for HelmReleases <- this is recursive
'null' means it's either cluster-scoped or it's in the default namespace for the HelmRelease

charts/teuto-cnpg/ci/multiple-databases-values.yaml

charts/teuto-cnpg/ci/schedule-values.yaml

charts/teuto-cnpg/ci/multiple-databases-string-values.yaml

charts/teuto-cnpg/ci/multiple-database-roles-string-values.yaml

charts/teuto-cnpg/ci/multiple-database-roles-values.yaml

charts/teuto-cnpg/ci/backup-values.yaml

charts/teuto-cnpg/ci/artifacthub-values.yaml

charts/teuto-cnpg/values.yaml

charts/teuto-cnpg/ci/credential-values.yaml

@marvinWolff
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For reference: cloudnative-pg/cloudnative-pg#7715

@marvinWolff marvinWolff changed the title fix(teuto-cnpg/updateMethod): set update method to switchover, set en… fix(teuto-cnpg/updateMethod): set update method to switchover, set env-vars to make it compatible with newer barman Jul 24, 2025
@tasches
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tasches commented Jul 29, 2025

@marvinWolff can this be merged now?

@marvinWolff marvinWolff added this pull request to the merge queue Jul 30, 2025
Merged via the queue into main with commit 3082967 Jul 30, 2025
57 of 70 checks passed
@marvinWolff marvinWolff deleted the fix/teuto-cnpg/set-switchover-method branch July 30, 2025 09:55
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4 participants