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bugfix/fix-longterm - #697

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Andrei Kvapil (kvaps) merged 1 commit into
cozystack:mainfrom
klinch0:bugfix/fix-longterm
Mar 14, 2025
Merged

Andrei Kvapil (kvaps) merged 1 commit into
cozystack:mainfrom
klinch0:bugfix/fix-longterm

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@klinch0

@klinch0 klinch0 commented Mar 14, 2025 •

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Summary by CodeRabbit

  • New Features
    • Updated the remote write configuration to support multiple endpoints, allowing data ingestion from both short-term and long-term services for improved flexibility.

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"""

Walkthrough

This pull request updates the configuration for the vmagent to support multiple remote write endpoints. In the template file, a loop is introduced to generate a URL entry for each element in a list. The values file is modified to replace the single URL entry with a list containing two URLs, accommodating both short-term and long-term insert services.

Changes

File Change Summary
packages/system/monitoring-agents/templates/vmagent.yaml Modified the remoteWrite section to iterate over a list of URLs using a range loop.
packages/system/monitoring-agents/values.yaml Replaced the single url entry with a urls list containing two endpoints for remote writing.

Sequence Diagram(s)

sequenceDiagram
    participant H as Helm Template Engine
    participant V as vmagent Deployment
    participant R as RemoteWrite Endpoints

    H->>V: Render vmagent.yaml with list of URLs
    V->>H: Loop over each URL in remoteWrite.urls
    H->>R: Generate configuration entry for each URL
    V->>R: Send data to each remote endpoint
    R-->>V: Acknowledge data reception
Loading

Poem

Oh, how I hop with delight,
Multiple URLs now in sight.
Each endpoint twinkles like a star 🌟,
Guiding data from near to far.
With a twitch and a nibble, I cheer the change—oh, what a bash!
Hop on, hop on, configuration springtime in a flash!
"""

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📒 Files selected for processing (2)
  • packages/system/monitoring-agents/templates/vmagent.yaml (1 hunks)
  • packages/system/monitoring-agents/values.yaml (1 hunks)

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Actionable comments posted: 1

📜 Review details

Configuration used: CodeRabbit UI
Review profile: CHILL
Plan: Pro

📥 Commits

Reviewing files that changed from the base of the PR and between 0cb9e72 and 5fed2e2.

📒 Files selected for processing (2)
  • packages/system/monitoring-agents/templates/vmagent.yaml (1 hunks)
  • packages/system/monitoring-agents/values.yaml (1 hunks)
🧰 Additional context used
🪛 YAMLlint (1.35.1)
packages/system/monitoring-agents/templates/vmagent.yaml

[error] 14-14: syntax error: could not find expected ':'

(syntax)

🔇 Additional comments (3)
packages/system/monitoring-agents/templates/vmagent.yaml (1)

1-12: Overall YAML Structure

The rest of the file’s configuration (API version, extraArgs, scrape settings, etc.) remains unchanged and appears structurally sound. Ensure that any downstream processes or tools consuming this configuration are aware of the templated changes.

Also applies to: 16-35

packages/system/monitoring-agents/values.yaml (2)

304-312: Update RemoteWrite Configuration with Multiple URLs

The remoteWrite configuration has been updated to use a urls list instead of a single url. This now clearly provides endpoints for both short-term and long-term insert services, meeting the PR objectives. The indentation and list structure look correct.


1-303: Remaining Configuration Unchanged

All other sections of the values file remain unaffected. It’s a good idea to double-check that components referencing the remoteWrite configuration (for example, in your deployment or in related templates) have been updated accordingly to reference the new urls field.

Also applies to: 313-370

Comment on lines +13 to +15
{{- range .Values.vmagent.remoteWrite.urls }}
- url: {{ . | quote }}
{{- end }}

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💡 Verification agent

❓ Verification inconclusive

YAML Indentation in the Templated RemoteWrite Loop

The new templating block that generates multiple remoteWrite URLs may produce invalid YAML due to its current indentation. The YAML linter error on line 14 ("could not find expected ':'") suggests that the list item (- url: {{ . | quote }}) isn’t indented enough relative to its parent key. To ensure that the rendered YAML is valid, consider increasing the indentation of the list items inside the range loop. For example:

-  {{- range .Values.vmagent.remoteWrite.urls }}
-  - url: {{ . | quote }}
-  {{- end }}
+  {{- range .Values.vmagent.remoteWrite.urls }}
+    - url: {{ . | quote }}
+  {{- end }}

This diff ensures that the list items are properly nested under the remoteWrite key. Please verify the generated YAML (e.g. using helm template) to confirm that the syntax is correct.


Action Required: Correct YAML Indentation for RemoteWrite URLs

The YAML linter error ("could not find expected ':'") indicates that the list items generated by the range loop are not indented sufficiently within their parent key. To fix this, please update the indentation by adding extra spaces to nest the list items correctly. For example, modify the code as follows:

-  {{- range .Values.vmagent.remoteWrite.urls }}
-  - url: {{ . | quote }}
-  {{- end }}
+  {{- range .Values.vmagent.remoteWrite.urls }}
+    - url: {{ . | quote }}
+  {{- end }}

After applying this change, verify the output with helm template to ensure that the rendered YAML is valid.

📝 Committable suggestion

‼️ IMPORTANT
Carefully review the code before committing. Ensure that it accurately replaces the highlighted code, contains no missing lines, and has no issues with indentation. Thoroughly test & benchmark the code to ensure it meets the requirements.

Suggested change
{{- range .Values.vmagent.remoteWrite.urls }}
- url: {{ . | quote }}
{{- end }}
{{- range .Values.vmagent.remoteWrite.urls }}
- url: {{ . | quote }}
{{- end }}
🧰 Tools
🪛 YAMLlint (1.35.1)

[error] 14-14: syntax error: could not find expected ':'

(syntax)

@kvaps Andrei Kvapil (kvaps) left a comment

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LGTM

Signed-off-by: kklinch0 <[email protected]>
@klinch0
klinch0 force-pushed the bugfix/fix-longterm branch from 5fed2e2 to f0ffe2a Compare March 14, 2025 09:56
@kvaps
Andrei Kvapil (kvaps) merged commit a2af07d into cozystack:main Mar 14, 2025
Aleksei Sviridkin (lexfrei) added a commit that referenced this pull request Sep 18, 2026
#4254)

## What this PR does

Cluster-wide migration settings could only be applied by patching the
KubeVirt CR: the kubevirt chart did not render `migrations`, and the
platform bundle did not forward it. Add the optional
`kubevirt.migrations` platform value and pass it through the generated
Package to `spec.configuration.migrations`.

For example, set the following under `spec.components.platform.values`
on the `cozystack.cozystack-platform` Package:

```yaml
kubevirt:
  migrations:
    bandwidthPerMigration: 625M
    parallelMigrationsPerCluster: 2
    parallelOutboundMigrationsPerNode: 1
```

`bandwidthPerMigration` is a quantity in bytes per second. Empty or null
settings leave the field unset; existing KubeVirt defaults are
unchanged. The map is forwarded intact, including explicit `false` and
`0` values. `make update` restores the new parameterization
independently after a hand-merge.

Validation:

- All 207 Helm tests in `packages/system/kubevirt` and
`packages/core/platform` passed (42 suites).
- Before the template changes, the new limit and false/zero cases failed
at both forwarding stages (four expected regression failures).
- The GNU sed / make update-idempotency suite passed, including
restoration of a missing migrations block, repeated runs, and rejection
of a missing insertion anchor.
- Standalone KubeVirt rendering and `helm lint` passed. Neither modified
chart defines a `make generate` target. Full platform rendering requires
its live source repository lookup; the platform template behavior was
checked through its existing Helm unit-test fixtures.

This is separate from #3989, which exposes `vmStateStorageClass` in the
same chart and bundle files.


### Screenshots

Not applicable; no UI changes.

### Downstream repositories

- [ ] No downstream repository is affected by this change
- [x] [cozystack/website](https://github.com/cozystack/website) -
follow-up: [#697](cozystack/website#697)
- [ ]
[cozystack/terraform-provider-cozystack](https://github.com/cozystack/terraform-provider-cozystack)
- follow-up:
- [ ]
[cozystack/ansible-cozystack](https://github.com/cozystack/ansible-cozystack)
- follow-up:
- [ ] [cozystack/ccp](https://github.com/cozystack/ccp) - follow-up:
- [ ] [cozystack/talm](https://github.com/cozystack/talm) - follow-up:
- [ ] [cozystack/cozyhr](https://github.com/cozystack/cozyhr) -
follow-up:
- [ ] [cozystack/cozy-proxy](https://github.com/cozystack/cozy-proxy) -
follow-up:
- [ ]
[cozystack/cozystack-telemetry-server](https://github.com/cozystack/cozystack-telemetry-server)
- follow-up:
- [ ]
[cozystack/external-apps-example](https://github.com/cozystack/external-apps-example)
- follow-up:
- [ ] [cozystack/examples](https://github.com/cozystack/examples) -
follow-up:
- [ ] [cozystack/community](https://github.com/cozystack/community) -
follow-up:

The website follow-up
[#697](cozystack/website#697) documents this new
platform value in the unreleased `next` reference and should be merged
after this implementation. The merged website PR
[#678](cozystack/website#678) documents
`kubevirt.disabledFeatureGates` only. The other listed repositories do
not need a coordinated change: this adds an optional platform value
without changing app schemas, required installer values, CRDs, package
layout, source kinds, shared tooling contracts, or node prerequisites.

### Release note

```release-note
feat(kubevirt): Configure cluster-wide KubeVirt migration settings through the platform Package value kubevirt.migrations. Empty settings preserve existing defaults.
```


<!-- This is an auto-generated comment: release notes by coderabbit.ai
-->
## Summary by CodeRabbit

* **New Features**
  * Added optional KubeVirt migration configuration.
* Supports migration bandwidth, concurrency limits, auto-convergence,
and completion timeout settings.
  * Migration bandwidth can be specified in bytes per second.
  * Empty or unset migration settings preserve KubeVirt defaults.
* **Bug Fixes**
* Migration values now preserve valid `false` and `0` settings when
provided.
* **Tests**
* Added coverage for default, empty, null, configured, and
repeated-update scenarios.
* Added validation to prevent incomplete or duplicated migration
configuration.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->
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