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feat: New ScalingSet CRD to deploy isolated interceptors+scalers
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Signed-off-by: kahirokunn <[email protected]>
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@kahirokunn
kahirokunn committed Nov 7, 2024
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2 changes: 1 addition & 1 deletion README.md
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Expand Up @@ -22,7 +22,7 @@ $ helm search repo kedacore
NAME CHART VERSION APP VERSION DESCRIPTION
kedacore/external-scaler-azure-cosmos-db 0.1.0 0.1.0 Event-based autoscaler for Azure Cosmos DB chan...
kedacore/keda 2.15.2 2.15.1 Event-based autoscaler for workloads on Kubernetes
kedacore/keda-add-ons-http 0.8.0 0.8.0 Event-based autoscaler for HTTP workloads on Ku...
kedacore/keda-add-ons-http 0.9.0 0.9.0 Event-based autoscaler for HTTP workloads on Ku...
```

## Releases
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4 changes: 2 additions & 2 deletions http-add-on/Chart.yaml
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Expand Up @@ -11,12 +11,12 @@ kubeVersion: ">=v1.23.0-0"
# to the chart and its templates, including the app version. This is incremented at chart release time and does not need
# to be included in any PRs to main.
# Versions are expected to follow Semantic Versioning (https://semver.org/)
version: 0.8.0
version: 0.9.0

# This is the version number of the application being deployed. This version number should be
# incremented each time you make changes to the application. Versions are not expected to
# follow Semantic Versioning. They should reflect the version the application is using.
appVersion: 0.8.0
appVersion: 0.9.0
home: https://github.com/kedacore/http-add-on
sources:
- https://github.com/kedacore/http-add-on
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362 changes: 362 additions & 0 deletions http-add-on/templates/crds/clusterhttpscalingset.yaml
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{{ if .Values.crds.install }}
apiVersion: apiextensions.k8s.io/v1
kind: CustomResourceDefinition
metadata:
annotations:
controller-gen.kubebuilder.io/version: v0.15.0
name: clusterhttpscalingsets.http.keda.sh
spec:
group: http.keda.sh
names:
kind: ClusterHTTPScalingSet
listKind: ClusterHTTPScalingSetList
plural: clusterhttpscalingsets
shortNames:
- css
singular: clusterhttpscalingset
scope: Cluster
versions:
- name: v1alpha1
schema:
openAPIV3Schema:
description: ClusterHTTPScalingSet is the Schema for the cluster httpscalingset
API
properties:
apiVersion:
description: |-
APIVersion defines the versioned schema of this representation of an object.
Servers should convert recognized schemas to the latest internal value, and
may reject unrecognized values.
More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#resources
type: string
kind:
description: |-
Kind is a string value representing the REST resource this object represents.
Servers may infer this from the endpoint the client submits requests to.
Cannot be updated.
In CamelCase.
More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#types-kinds
type: string
metadata:
type: object
spec:
description: HTTPScalingSetSpec defines the desired state of HTTPScalingSet
properties:
interceptor:
description: HTTPInterceptorSpec defines the desired state of Interceptor
component
properties:
annotations:
additionalProperties:
type: string
description: |-
Annotations is an unstructured key value map stored with a resource that may be
set by external tools to store and retrieve arbitrary metadata. They are not
queryable and should be preserved when modifying objects.
More info: https://kubernetes.io/docs/concepts/overview/working-with-objects/annotations
type: object
autoscaling:
description: Autoscaling options for the interceptor
properties:
maxReplicas:
default: 100
description: Maximum replicas for the interceptor
type: integer
minReplicas:
default: 3
description: Minimum replicas for the interceptor
type: integer
target:
default: 100
description: Target concurrent requests
type: integer
type: object
config:
description: Traffic configuration
properties:
adminPort:
description: Port to be used for admin operations
format: int32
type: integer
connectTimeout:
description: Timeout for establishing the connection
type: string
expectContinueTimeout:
description: |-
Max amount of time the interceptor will wait
after sending request headers if the server returned an Expect: 100-continue
header
type: string
forceHTTP2:
description: Try to force HTTP2 for all requests
type: boolean
handshakeTimeout:
description: |-
Max amount of time the interceptor will
wait to establish a TLS connection
type: string
headerTimeout:
description: |-
How long to wait between when the HTTP request
is sent to the backing app and when response headers need to arrive
type: string
idleConnTimeout:
description: |-
Timeout after which a connection in the interceptor's
internal connection pool will be closed
type: string
keepAlive:
description: Interval between keepalive probes
type: string
maxIdleConnections:
description: |-
Max number of connections that can be idle in the
interceptor's internal connection pool
type: integer
pollingInterval:
description: |-
The interceptor has an internal process that periodically fetches the state
of endpoints that is running the servers it forwards to.
This is the interval (in milliseconds) representing how often to do a fetch
type: integer
proxyPort:
description: Port to be used for proxy operations
format: int32
type: integer
waitTimeout:
description: |-
How long to wait for the backing workload
to have 1 or more replicas before connecting and sending the HTTP request.
type: string
type: object
image:
description: Container image name.
type: string
imagePullSecrets:
description: |-
ImagePullSecrets is an optional list of references to secrets in the same namespace to use for pulling any of the images used by this PodSpec.
If specified, these secrets will be passed to individual puller implementations for them to use.
More info: https://kubernetes.io/docs/concepts/containers/images#specifying-imagepullsecrets-on-a-pod
items:
description: |-
LocalObjectReference contains enough information to let you locate the
referenced object inside the same namespace.
properties:
name:
description: |-
Name of the referent.
More info: https://kubernetes.io/docs/concepts/overview/working-with-objects/names/#names
TODO: Add other useful fields. apiVersion, kind, uid?
type: string
type: object
x-kubernetes-map-type: atomic
type: array
labels:
additionalProperties:
type: string
description: |-
Map of string keys and values that can be used to organize and categorize
(scope and select) objects. May match selectors of replication controllers
and services.
More info: https://kubernetes.io/docs/concepts/overview/working-with-objects/labels
type: object
replicas:
description: Number of replicas for the interceptor
format: int32
type: integer
resources:
description: |-
Compute Resources required by this interceptor.
Cannot be updated.
More info: https://kubernetes.io/docs/concepts/configuration/manage-resources-containers/
properties:
claims:
description: |-
Claims lists the names of resources, defined in spec.resourceClaims,
that are used by this container.
This is an alpha field and requires enabling the
DynamicResourceAllocation feature gate.
This field is immutable. It can only be set for containers.
items:
description: ResourceClaim references one entry in PodSpec.ResourceClaims.
properties:
name:
description: |-
Name must match the name of one entry in pod.spec.resourceClaims of
the Pod where this field is used. It makes that resource available
inside a container.
type: string
required:
- name
type: object
type: array
x-kubernetes-list-map-keys:
- name
x-kubernetes-list-type: map
limits:
additionalProperties:
anyOf:
- type: integer
- type: string
pattern: ^(\+|-)?(([0-9]+(\.[0-9]*)?)|(\.[0-9]+))(([KMGTPE]i)|[numkMGTPE]|([eE](\+|-)?(([0-9]+(\.[0-9]*)?)|(\.[0-9]+))))?$
x-kubernetes-int-or-string: true
description: |-
Limits describes the maximum amount of compute resources allowed.
More info: https://kubernetes.io/docs/concepts/configuration/manage-resources-containers/
type: object
requests:
additionalProperties:
anyOf:
- type: integer
- type: string
pattern: ^(\+|-)?(([0-9]+(\.[0-9]*)?)|(\.[0-9]+))(([KMGTPE]i)|[numkMGTPE]|([eE](\+|-)?(([0-9]+(\.[0-9]*)?)|(\.[0-9]+))))?$
x-kubernetes-int-or-string: true
description: |-
Requests describes the minimum amount of compute resources required.
If Requests is omitted for a container, it defaults to Limits if that is explicitly specified,
otherwise to an implementation-defined value. Requests cannot exceed Limits.
More info: https://kubernetes.io/docs/concepts/configuration/manage-resources-containers/
type: object
type: object
serviceAccountName:
default: default
description: Name of the service account to be used
type: string
type: object
scaler:
description: HTTPScalerSpec defines the desired state of Scaler component
properties:
annotations:
additionalProperties:
type: string
description: |-
Annotations is an unstructured key value map stored with a resource that may be
set by external tools to store and retrieve arbitrary metadata. They are not
queryable and should be preserved when modifying objects.
More info: https://kubernetes.io/docs/concepts/overview/working-with-objects/annotations
type: object
config:
default: {}
description: Traffic configuration
properties:
port:
default: 9090
description: Port to be used for proxy operations
format: int32
type: integer
type: object
image:
description: Container image name.
type: string
imagePullSecrets:
description: |-
ImagePullSecrets is an optional list of references to secrets in the same namespace to use for pulling any of the images used by this PodSpec.
If specified, these secrets will be passed to individual puller implementations for them to use.
More info: https://kubernetes.io/docs/concepts/containers/images#specifying-imagepullsecrets-on-a-pod
items:
description: |-
LocalObjectReference contains enough information to let you locate the
referenced object inside the same namespace.
properties:
name:
description: |-
Name of the referent.
More info: https://kubernetes.io/docs/concepts/overview/working-with-objects/names/#names
TODO: Add other useful fields. apiVersion, kind, uid?
type: string
type: object
x-kubernetes-map-type: atomic
type: array
labels:
additionalProperties:
type: string
description: |-
Map of string keys and values that can be used to organize and categorize
(scope and select) objects. May match selectors of replication controllers
and services.
More info: https://kubernetes.io/docs/concepts/overview/working-with-objects/labels
type: object
replicas:
description: Number of replicas for the interceptor
format: int32
type: integer
resources:
description: |-
Compute Resources required by this scaler.
Cannot be updated.
More info: https://kubernetes.io/docs/concepts/configuration/manage-resources-containers/
properties:
claims:
description: |-
Claims lists the names of resources, defined in spec.resourceClaims,
that are used by this container.
This is an alpha field and requires enabling the
DynamicResourceAllocation feature gate.
This field is immutable. It can only be set for containers.
items:
description: ResourceClaim references one entry in PodSpec.ResourceClaims.
properties:
name:
description: |-
Name must match the name of one entry in pod.spec.resourceClaims of
the Pod where this field is used. It makes that resource available
inside a container.
type: string
required:
- name
type: object
type: array
x-kubernetes-list-map-keys:
- name
x-kubernetes-list-type: map
limits:
additionalProperties:
anyOf:
- type: integer
- type: string
pattern: ^(\+|-)?(([0-9]+(\.[0-9]*)?)|(\.[0-9]+))(([KMGTPE]i)|[numkMGTPE]|([eE](\+|-)?(([0-9]+(\.[0-9]*)?)|(\.[0-9]+))))?$
x-kubernetes-int-or-string: true
description: |-
Limits describes the maximum amount of compute resources allowed.
More info: https://kubernetes.io/docs/concepts/configuration/manage-resources-containers/
type: object
requests:
additionalProperties:
anyOf:
- type: integer
- type: string
pattern: ^(\+|-)?(([0-9]+(\.[0-9]*)?)|(\.[0-9]+))(([KMGTPE]i)|[numkMGTPE]|([eE](\+|-)?(([0-9]+(\.[0-9]*)?)|(\.[0-9]+))))?$
x-kubernetes-int-or-string: true
description: |-
Requests describes the minimum amount of compute resources required.
If Requests is omitted for a container, it defaults to Limits if that is explicitly specified,
otherwise to an implementation-defined value. Requests cannot exceed Limits.
More info: https://kubernetes.io/docs/concepts/configuration/manage-resources-containers/
type: object
type: object
serviceAccountName:
default: default
description: Name of the service account to be used
type: string
type: object
required:
- interceptor
- scaler
type: object
status:
description: HTTPScalingSetStatus defines the observed state of HTTPScalingSet
type: object
type: object
served: true
storage: true
subresources:
status: {}
{{ end }}
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