feat(fluent-bit): Allow VPA recommender configuration (#660)

* squash

Signed-off-by: Tim Hobbs <timothy.hobbs@servicelayers.com>

* update helm chart testing action

Signed-off-by: Tim Hobbs <timothy.hobbs@servicelayers.com>

* resolve conflicts, update doc

Signed-off-by: Tim Hobbs <timothy.hobbs@servicelayers.com>

* fix removal from helm-docs

Signed-off-by: Tim Hobbs <timothy.hobbs@servicelayers.com>

* just docs

Signed-off-by: Tim Hobbs <timothy.hobbs@servicelayers.com>

---------

Signed-off-by: Tim Hobbs <timothy.hobbs@servicelayers.com>

Author: hobti01

charts/fluent-bit/CHANGELOG.md

@@ -14,6 +14,12 @@
 
 ## [UNRELEASED]
 
+## [v0.56.0] - 2026-02-27
+
+### Added
+
+- VPA recommender may be specified with `.autoscaling.vpa.recommender`
+
 ## [v0.55.1] - 2026-02-27
 
 ### Changed
@@ -41,7 +47,9 @@
 <!--
 RELEASE LINKS
 -->
+
 [UNRELEASED]: https://github.com/fluent/helm-charts/tree/main/charts/fluent-bit
+[v0.56.0]: https://github.com/fluent/helm-charts/releases/tag/fluent-bit-0.56.0
 [v0.55.1]: https://github.com/fluent/helm-charts/releases/tag/fluent-bit-0.55.1
 [v0.55.0]: https://github.com/fluent/helm-charts/releases/tag/fluent-bit-0.55.0
 [v0.54.1]: https://github.com/fluent/helm-charts/releases/tag/fluent-bit-0.54.1

charts/fluent-bit/Chart.yaml

@@ -5,7 +5,7 @@ keywords:
   - logging
   - fluent-bit
   - fluentd
-version: 0.55.1
+version: 0.56.0
 appVersion: 4.2.3
 icon: https://raw.githubusercontent.com/cncf/artwork/master/projects/fluentd/fluentbit/icon/fluentbit-icon-color.svg
 home: https://fluentbit.io/

charts/fluent-bit/README.md

@@ -1,6 +1,6 @@
 # fluent-bit
 
-![Version: 0.55.1](https://img.shields.io/badge/Version-0.55.1-informational?style=flat-square) ![AppVersion: 4.2.3](https://img.shields.io/badge/AppVersion-4.2.3-informational?style=flat-square)
+![Version: 0.56.0](https://img.shields.io/badge/Version-0.56.0-informational?style=flat-square) ![AppVersion: 4.2.3](https://img.shields.io/badge/AppVersion-4.2.3-informational?style=flat-square)
 
 Fast and lightweight log processor and forwarder for Linux, OSX and BSD family operating systems.
 
@@ -26,15 +26,15 @@ Fast and lightweight log processor and forwarder for Linux, OSX and BSD family o
 To install the chart using the recommended OCI method you can use the following command.
 
 ```shell
-helm upgrade --install fluent-bit oci://ghcr.io/fluent/helm-charts/fluent-bit --version 0.55.1
+helm upgrade --install fluent-bit oci://ghcr.io/fluent/helm-charts/fluent-bit --version 0.56.0
 ```
 
 #### Verification
 
 As the OCI chart release is signed by [Cosign](https://github.com/sigstore/cosign) you can verify the chart before installing it by running the following command.
 
 ```shell
-cosign verify --certificate-oidc-issuer https://token.actions.githubusercontent.com --certificate-identity-regexp 'https://github\.com/action-stars/helm-workflows/\.github/workflows/release\.yaml@.+' --certificate-github-workflow-repository fluent/helm-charts --certificate-github-workflow-name Release ghcr.io/fluent/helm-charts/fluent-bit:0.55.1
+cosign verify --certificate-oidc-issuer https://token.actions.githubusercontent.com --certificate-identity-regexp 'https://github\.com/action-stars/helm-workflows/\.github/workflows/release\.yaml@.+' --certificate-github-workflow-repository fluent/helm-charts --certificate-github-workflow-name Release ghcr.io/fluent/helm-charts/fluent-bit:0.56.0
 ```
 
 ### Non-OCI Repository
@@ -43,7 +43,7 @@ Alternatively you can use the legacy non-OCI method via the following commands.
 
 ```shell
 helm repo add fluent https://fluent.github.io/helm-charts/
-helm upgrade --install fluent-bit fluent/fluent-bit --version 0.55.1
+helm upgrade --install fluent-bit fluent/fluent-bit --version 0.56.0
 ```
 
 ## Values
@@ -66,6 +66,7 @@ helm upgrade --install fluent-bit fluent/fluent-bit --version 0.55.1
 | autoscaling.vpa.enabled | bool | `false` |  |
 | autoscaling.vpa.maxAllowed | object | `{}` |  |
 | autoscaling.vpa.minAllowed | object | `{}` |  |
+| autoscaling.vpa.recommender | string | `"default"` |  |
 | autoscaling.vpa.updatePolicy.updateMode | string | `"Auto"` |  |
 | command[0] | string | `"/fluent-bit/bin/fluent-bit"` |  |
 | config.customParsers | string | `"[PARSER]\n    Name docker_no_time\n    Format json\n    Time_Keep Off\n    Time_Key time\n    Time_Format %Y-%m-%dT%H:%M:%S.%L\n"` |  |

charts/fluent-bit/templates/vpa.yaml

@@ -11,6 +11,8 @@ metadata:
     {{- toYaml . | nindent 4 }}
   {{- end }}
 spec:
+  recommenders:
+  - name: {{ .Values.autoscaling.vpa.recommender }}
   resourcePolicy:
     containerPolicies:
     - containerName: {{ .Chart.Name }}

charts/fluent-bit/values.yaml

@@ -257,6 +257,9 @@ autoscaling:
     # cpu: 200m
     # memory: 100Mi
 
+    # Name of the VPA recommender that will provide recommendations for vertical scaling.
+    recommender: default
+
     updatePolicy:
       # Specifies whether recommended updates are applied when a Pod is started and whether recommended updates
       # are applied during the life of a Pod. Possible values are "Off", "Initial", "Recreate", and "Auto".