mirror of
https://github.com/zalando-incubator/kube-metrics-adapter.git
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Create ScalingSchedule collector
This commit adds two new collectors to the adapter: - ClusterScalingScheduleCollector; and - ScalingScheduleCollector Also, it introduces the required collectors plugins, initialization logic in the server startup, documentation and deployment example (including the helm chart). A new config flag is created, `-scaling-schedule`, and allows to enable and to disable the collection of such metrics. It's disabled by default. This collectors are the required logic to utilise the CRDs introduced in the #284 pull request. It makes use of the kubernetes go-client implementations of a [Store][0] and [Reflector][1]. [0]: https://pkg.go.dev/k8s.io/client-go/tools/cache#Store [1]: https://pkg.go.dev/k8s.io/client-go/tools/cache#Reflector Signed-off-by: Jonathan Juares Beber <jonathanbeber@gmail.com>
This commit is contained in:
Jonathan Juares Beber
@@ -1,6 +1,6 @@
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apiVersion: v2
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name: kube-metrics-adapter
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version: 0.1.10
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version: 0.1.11
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description: kube-metrics-adapter helm chart
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home: https://github.com/zalando-incubator/kube-metrics-adapter
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maintainers:
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@@ -0,0 +1,119 @@
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{{- if .Values.scalingSchedule.enabled }}
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apiVersion: apiextensions.k8s.io/v1
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kind: CustomResourceDefinition
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metadata:
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annotations:
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controller-gen.kubebuilder.io/version: v0.5.0
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creationTimestamp: null
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name: clusterscalingschedules.zalando.org
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spec:
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group: zalando.org
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names:
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kind: ClusterScalingSchedule
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listKind: ClusterScalingScheduleList
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plural: clusterscalingschedules
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singular: clusterscalingschedule
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scope: Cluster
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versions:
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- name: v1
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schema:
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openAPIV3Schema:
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description: ClusterScalingSchedule describes a cluster scoped time based
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metric to be used in autoscaling operations.
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properties:
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apiVersion:
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description: 'APIVersion defines the versioned schema of this representation
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of an object. Servers should convert recognized schemas to the latest
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internal value, and may reject unrecognized values. More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#resources'
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type: string
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kind:
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description: 'Kind is a string value representing the REST resource this
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object represents. Servers may infer this from the endpoint the client
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submits requests to. Cannot be updated. In CamelCase. More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#types-kinds'
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type: string
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metadata:
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type: object
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spec:
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description: ScalingScheduleSpec is the spec part of the ScalingSchedule.
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properties:
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schedules:
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description: Schedules is the list of schedules for this ScalingSchedule
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resource. All the schedules defined here will result on the value
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to the same metric. New metrics require a new ScalingSchedule resource.
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items:
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description: Schedule is the schedule details to be used inside
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a ScalingSchedule.
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properties:
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date:
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description: Defines the starting date of a OneTime schedule.
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It has to be a RFC3339 formated date.
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format: date-time
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type: string
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durationMinutes:
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description: The duration in minutes that the configured value
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will be returned for the defined schedule.
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type: integer
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period:
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description: Defines the details of a Repeating schedule.
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properties:
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days:
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description: The days that this schedule will be active.
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items:
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description: ScheduleDay represents the valid inputs for
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days in a SchedulePeriod.
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enum:
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- Sun
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- Mon
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- Tue
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- Wed
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- Thu
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- Fri
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- Sat
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type: string
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type: array
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startTime:
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description: The startTime has the format HH:MM
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pattern: (([0-1][0-9])|([2][0-3])):([0-5][0-9])
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type: string
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timezone:
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description: The location name corresponding to a file in
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the IANA Time Zone database, like Europe/Berlin.
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type: string
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required:
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- days
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- startTime
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- timezone
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type: object
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type:
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description: Defines if the schedule is a OneTime schedule or
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Repeating one. If OneTime, date has to be defined. If Repeating,
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Period has to be defined.
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enum:
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- OneTime
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- Repeating
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type: string
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value:
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description: The metric value that will be returned for the
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defined schedule.
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type: integer
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required:
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- durationMinutes
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- type
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- value
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type: object
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type: array
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required:
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- schedules
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type: object
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required:
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- spec
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type: object
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served: true
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storage: true
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status:
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acceptedNames:
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kind: ""
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plural: ""
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conditions: []
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storedVersions: []
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{{- end}}
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@@ -182,6 +182,9 @@ spec:
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{{- if .Values.zmon.tokenName }}
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- --zmon-token-name={{ .Values.zmon.tokenName }}
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{{- end}}
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{{- if .Values.scalingSchedule.enabled }}
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- --scaling-schedule
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{{- end}}
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resources:
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limits:
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cpu: {{ .Values.resources.limits.cpu }}
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@@ -73,6 +73,17 @@ rules:
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- get
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- list
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- watch
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{{- if .Values.scalingSchedule.enabled }}
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- apiGroups:
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- zalando.org
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resources:
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- clusterscalingschedules
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- scalingschedules
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verbs:
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- get
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- list
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- watch
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{{- end}}
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---
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apiVersion: rbac.authorization.k8s.io/v1
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kind: ClusterRoleBinding
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@@ -0,0 +1,119 @@
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{{- if .Values.scalingSchedule.enabled }}
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apiVersion: apiextensions.k8s.io/v1
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kind: CustomResourceDefinition
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metadata:
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annotations:
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controller-gen.kubebuilder.io/version: v0.5.0
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creationTimestamp: null
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name: scalingschedules.zalando.org
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spec:
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group: zalando.org
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names:
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kind: ScalingSchedule
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listKind: ScalingScheduleList
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plural: scalingschedules
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singular: scalingschedule
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scope: Namespaced
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versions:
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- name: v1
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schema:
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openAPIV3Schema:
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description: ScalingSchedule describes a namespaced time based metric to be
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used in autoscaling operations.
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properties:
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apiVersion:
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description: 'APIVersion defines the versioned schema of this representation
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of an object. Servers should convert recognized schemas to the latest
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internal value, and may reject unrecognized values. More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#resources'
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type: string
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kind:
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description: 'Kind is a string value representing the REST resource this
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object represents. Servers may infer this from the endpoint the client
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submits requests to. Cannot be updated. In CamelCase. More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#types-kinds'
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type: string
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metadata:
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type: object
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spec:
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description: ScalingScheduleSpec is the spec part of the ScalingSchedule.
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properties:
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schedules:
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description: Schedules is the list of schedules for this ScalingSchedule
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resource. All the schedules defined here will result on the value
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to the same metric. New metrics require a new ScalingSchedule resource.
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items:
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description: Schedule is the schedule details to be used inside
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a ScalingSchedule.
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properties:
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date:
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description: Defines the starting date of a OneTime schedule.
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It has to be a RFC3339 formated date.
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format: date-time
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type: string
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durationMinutes:
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description: The duration in minutes that the configured value
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will be returned for the defined schedule.
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type: integer
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period:
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description: Defines the details of a Repeating schedule.
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properties:
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days:
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description: The days that this schedule will be active.
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items:
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description: ScheduleDay represents the valid inputs for
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days in a SchedulePeriod.
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enum:
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- Sun
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- Mon
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- Tue
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- Wed
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- Thu
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- Fri
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- Sat
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type: string
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type: array
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startTime:
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description: The startTime has the format HH:MM
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pattern: (([0-1][0-9])|([2][0-3])):([0-5][0-9])
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type: string
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timezone:
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description: The location name corresponding to a file in
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the IANA Time Zone database, like Europe/Berlin.
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type: string
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required:
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- days
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- startTime
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- timezone
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type: object
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type:
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description: Defines if the schedule is a OneTime schedule or
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Repeating one. If OneTime, date has to be defined. If Repeating,
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Period has to be defined.
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enum:
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- OneTime
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- Repeating
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type: string
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value:
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description: The metric value that will be returned for the
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defined schedule.
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type: integer
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required:
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- durationMinutes
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- type
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- value
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type: object
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type: array
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required:
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- schedules
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type: object
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required:
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- spec
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type: object
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served: true
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storage: true
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status:
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acceptedNames:
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kind: ""
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plural: ""
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conditions: []
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storedVersions: []
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{{- end}}
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@@ -92,3 +92,6 @@ resources:
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requests:
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cpu: 100m
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memory: 100Mi
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scalingSchedule:
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enabled: false
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