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Amadeus patches: Advanced Statefulset scaling + Support for updating VolumeClaimTemplates #1644

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Amadeus patches: Advanced Statefulset scaling + Support for updating VolumeClaimTemplates #1644

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c2b486d
feat: support scaling up/down in more flexible way
Dec 10, 2025
8ec4798
feat: support advanced scaling (CPU-awareness + parallel pod processing)
Dec 15, 2025
ef69362
feat: support updating VolumeClaimTemplate in the statefulset
Dec 15, 2025
9cfd1ce
feat: support speeding up indexer start up time by setting OnRootMism…
Dec 16, 2025
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8 changes: 8 additions & 0 deletions api/v4/common_types.go
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Original file line number Diff line number Diff line change
Expand Up @@ -112,6 +112,14 @@ type Spec struct {

// TopologySpreadConstraint https://kubernetes.io/docs/concepts/scheduling-eviction/topology-spread-constraints/
TopologySpreadConstraints []corev1.TopologySpreadConstraint `json:"topologySpreadConstraints,omitempty"`

// FSGroupChangePolicy defines the policy for changing ownership and permission of the volume
// before being exposed inside the Pod. Valid values are "Always" and "OnRootMismatch".
// Default is "OnRootMismatch" for improved performance.
// Can be overridden by the operator.splunk.com/fs-group-change-policy annotation.
// +kubebuilder:validation:Enum=Always;OnRootMismatch
// +optional
FSGroupChangePolicy *corev1.PodFSGroupChangePolicy `json:"fsGroupChangePolicy,omitempty"`
}

// Phase is used to represent the current phase of a custom resource
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5 changes: 5 additions & 0 deletions api/v4/zz_generated.deepcopy.go
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10 changes: 10 additions & 0 deletions config/crd/bases/enterprise.splunk.com_clustermanagers.yaml
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Original file line number Diff line number Diff line change
Expand Up @@ -1385,6 +1385,16 @@ spec:
- name
type: object
type: array
fsGroupChangePolicy:
description: |-
FSGroupChangePolicy defines the policy for changing ownership and permission of the volume
before being exposed inside the Pod. Valid values are "Always" and "OnRootMismatch".
Default is "OnRootMismatch" for improved performance.
Can be overridden by the operator.splunk.com/fs-group-change-policy annotation.
enum:
- Always
- OnRootMismatch
type: string
image:
description: Image to use for Splunk pod containers (overrides RELATED_IMAGE_SPLUNK_ENTERPRISE
environment variables)
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10 changes: 10 additions & 0 deletions config/crd/bases/enterprise.splunk.com_clustermasters.yaml
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Original file line number Diff line number Diff line change
Expand Up @@ -1381,6 +1381,16 @@ spec:
- name
type: object
type: array
fsGroupChangePolicy:
description: |-
FSGroupChangePolicy defines the policy for changing ownership and permission of the volume
before being exposed inside the Pod. Valid values are "Always" and "OnRootMismatch".
Default is "OnRootMismatch" for improved performance.
Can be overridden by the operator.splunk.com/fs-group-change-policy annotation.
enum:
- Always
- OnRootMismatch
type: string
image:
description: Image to use for Splunk pod containers (overrides RELATED_IMAGE_SPLUNK_ENTERPRISE
environment variables)
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20 changes: 20 additions & 0 deletions config/crd/bases/enterprise.splunk.com_indexerclusters.yaml
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Original file line number Diff line number Diff line change
Expand Up @@ -1233,6 +1233,16 @@ spec:
- name
type: object
type: array
fsGroupChangePolicy:
description: |-
FSGroupChangePolicy defines the policy for changing ownership and permission of the volume
before being exposed inside the Pod. Valid values are "Always" and "OnRootMismatch".
Default is "OnRootMismatch" for improved performance.
Can be overridden by the operator.splunk.com/fs-group-change-policy annotation.
enum:
- Always
- OnRootMismatch
type: string
image:
description: Image to use for Splunk pod containers (overrides RELATED_IMAGE_SPLUNK_ENTERPRISE
environment variables)
Expand Down Expand Up @@ -5405,6 +5415,16 @@ spec:
- name
type: object
type: array
fsGroupChangePolicy:
description: |-
FSGroupChangePolicy defines the policy for changing ownership and permission of the volume
before being exposed inside the Pod. Valid values are "Always" and "OnRootMismatch".
Default is "OnRootMismatch" for improved performance.
Can be overridden by the operator.splunk.com/fs-group-change-policy annotation.
enum:
- Always
- OnRootMismatch
type: string
image:
description: Image to use for Splunk pod containers (overrides RELATED_IMAGE_SPLUNK_ENTERPRISE
environment variables)
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10 changes: 10 additions & 0 deletions config/crd/bases/enterprise.splunk.com_licensemanagers.yaml
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Original file line number Diff line number Diff line change
Expand Up @@ -1375,6 +1375,16 @@ spec:
- name
type: object
type: array
fsGroupChangePolicy:
description: |-
FSGroupChangePolicy defines the policy for changing ownership and permission of the volume
before being exposed inside the Pod. Valid values are "Always" and "OnRootMismatch".
Default is "OnRootMismatch" for improved performance.
Can be overridden by the operator.splunk.com/fs-group-change-policy annotation.
enum:
- Always
- OnRootMismatch
type: string
image:
description: Image to use for Splunk pod containers (overrides RELATED_IMAGE_SPLUNK_ENTERPRISE
environment variables)
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10 changes: 10 additions & 0 deletions config/crd/bases/enterprise.splunk.com_licensemasters.yaml
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Original file line number Diff line number Diff line change
Expand Up @@ -1370,6 +1370,16 @@ spec:
- name
type: object
type: array
fsGroupChangePolicy:
description: |-
FSGroupChangePolicy defines the policy for changing ownership and permission of the volume
before being exposed inside the Pod. Valid values are "Always" and "OnRootMismatch".
Default is "OnRootMismatch" for improved performance.
Can be overridden by the operator.splunk.com/fs-group-change-policy annotation.
enum:
- Always
- OnRootMismatch
type: string
image:
description: Image to use for Splunk pod containers (overrides RELATED_IMAGE_SPLUNK_ENTERPRISE
environment variables)
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20 changes: 20 additions & 0 deletions config/crd/bases/enterprise.splunk.com_monitoringconsoles.yaml
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Original file line number Diff line number Diff line change
Expand Up @@ -1377,6 +1377,16 @@ spec:
- name
type: object
type: array
fsGroupChangePolicy:
description: |-
FSGroupChangePolicy defines the policy for changing ownership and permission of the volume
before being exposed inside the Pod. Valid values are "Always" and "OnRootMismatch".
Default is "OnRootMismatch" for improved performance.
Can be overridden by the operator.splunk.com/fs-group-change-policy annotation.
enum:
- Always
- OnRootMismatch
type: string
image:
description: Image to use for Splunk pod containers (overrides RELATED_IMAGE_SPLUNK_ENTERPRISE
environment variables)
Expand Down Expand Up @@ -5894,6 +5904,16 @@ spec:
- name
type: object
type: array
fsGroupChangePolicy:
description: |-
FSGroupChangePolicy defines the policy for changing ownership and permission of the volume
before being exposed inside the Pod. Valid values are "Always" and "OnRootMismatch".
Default is "OnRootMismatch" for improved performance.
Can be overridden by the operator.splunk.com/fs-group-change-policy annotation.
enum:
- Always
- OnRootMismatch
type: string
image:
description: Image to use for Splunk pod containers (overrides RELATED_IMAGE_SPLUNK_ENTERPRISE
environment variables)
Expand Down
20 changes: 20 additions & 0 deletions config/crd/bases/enterprise.splunk.com_searchheadclusters.yaml
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Original file line number Diff line number Diff line change
Expand Up @@ -1383,6 +1383,16 @@ spec:
- name
type: object
type: array
fsGroupChangePolicy:
description: |-
FSGroupChangePolicy defines the policy for changing ownership and permission of the volume
before being exposed inside the Pod. Valid values are "Always" and "OnRootMismatch".
Default is "OnRootMismatch" for improved performance.
Can be overridden by the operator.splunk.com/fs-group-change-policy annotation.
enum:
- Always
- OnRootMismatch
type: string
image:
description: Image to use for Splunk pod containers (overrides RELATED_IMAGE_SPLUNK_ENTERPRISE
environment variables)
Expand Down Expand Up @@ -6244,6 +6254,16 @@ spec:
- name
type: object
type: array
fsGroupChangePolicy:
description: |-
FSGroupChangePolicy defines the policy for changing ownership and permission of the volume
before being exposed inside the Pod. Valid values are "Always" and "OnRootMismatch".
Default is "OnRootMismatch" for improved performance.
Can be overridden by the operator.splunk.com/fs-group-change-policy annotation.
enum:
- Always
- OnRootMismatch
type: string
image:
description: Image to use for Splunk pod containers (overrides RELATED_IMAGE_SPLUNK_ENTERPRISE
environment variables)
Expand Down
20 changes: 20 additions & 0 deletions config/crd/bases/enterprise.splunk.com_standalones.yaml
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Original file line number Diff line number Diff line change
Expand Up @@ -1378,6 +1378,16 @@ spec:
- name
type: object
type: array
fsGroupChangePolicy:
description: |-
FSGroupChangePolicy defines the policy for changing ownership and permission of the volume
before being exposed inside the Pod. Valid values are "Always" and "OnRootMismatch".
Default is "OnRootMismatch" for improved performance.
Can be overridden by the operator.splunk.com/fs-group-change-policy annotation.
enum:
- Always
- OnRootMismatch
type: string
image:
description: Image to use for Splunk pod containers (overrides RELATED_IMAGE_SPLUNK_ENTERPRISE
environment variables)
Expand Down Expand Up @@ -6139,6 +6149,16 @@ spec:
- name
type: object
type: array
fsGroupChangePolicy:
description: |-
FSGroupChangePolicy defines the policy for changing ownership and permission of the volume
before being exposed inside the Pod. Valid values are "Always" and "OnRootMismatch".
Default is "OnRootMismatch" for improved performance.
Can be overridden by the operator.splunk.com/fs-group-change-policy annotation.
enum:
- Always
- OnRootMismatch
type: string
image:
description: Image to use for Splunk pod containers (overrides RELATED_IMAGE_SPLUNK_ENTERPRISE
environment variables)
Expand Down
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