diff --git a/README.md b/README.md index 897b3910..f7698d19 100644 --- a/README.md +++ b/README.md @@ -823,6 +823,14 @@ spec: key: node-role.kubernetes.io/test operator: Exists + topologySpreadConstraints: + - maxSkew: 1 + topologyKey: kubernetes.io/hostname + whenUnsatisfiable: ScheduleAnyway + labelSelector: + matchLabels: + runner-deployment-name: actions-runner + repository: mumoshu/actions-runner-controller-ci # The default "summerwind/actions-runner" images are available at DockerHub: # https://hub.docker.com/r/summerwind/actions-runner diff --git a/api/v1alpha1/runner_types.go b/api/v1alpha1/runner_types.go index 0371cf7c..a2f30d55 100644 --- a/api/v1alpha1/runner_types.go +++ b/api/v1alpha1/runner_types.go @@ -141,6 +141,9 @@ type RunnerPodSpec struct { // +optional HostAliases []corev1.HostAlias `json:"hostAliases,omitempty"` + // +optional + TopologySpreadConstraints []corev1.TopologySpreadConstraint `json:"topologySpreadConstraint,omitempty"` + // RuntimeClassName is the container runtime configuration that containers should run under. // More info: https://kubernetes.io/docs/concepts/containers/runtime-class // +optional diff --git a/api/v1alpha1/zz_generated.deepcopy.go b/api/v1alpha1/zz_generated.deepcopy.go index e664eb31..8f612e2f 100644 --- a/api/v1alpha1/zz_generated.deepcopy.go +++ b/api/v1alpha1/zz_generated.deepcopy.go @@ -707,6 +707,13 @@ func (in *RunnerPodSpec) DeepCopyInto(out *RunnerPodSpec) { (*in)[i].DeepCopyInto(&(*out)[i]) } } + if in.TopologySpreadConstraints != nil { + in, out := &in.TopologySpreadConstraints, &out.TopologySpreadConstraints + *out = make([]v1.TopologySpreadConstraint, len(*in)) + for i := range *in { + (*in)[i].DeepCopyInto(&(*out)[i]) + } + } if in.RuntimeClassName != nil { in, out := &in.RuntimeClassName, &out.RuntimeClassName *out = new(string) diff --git a/charts/actions-runner-controller/crds/actions.summerwind.dev_runnerdeployments.yaml b/charts/actions-runner-controller/crds/actions.summerwind.dev_runnerdeployments.yaml index ff02174f..4a205656 100644 --- a/charts/actions-runner-controller/crds/actions.summerwind.dev_runnerdeployments.yaml +++ b/charts/actions-runner-controller/crds/actions.summerwind.dev_runnerdeployments.yaml @@ -3898,6 +3898,56 @@ spec: type: string type: object type: array + topologySpreadConstraint: + items: + description: TopologySpreadConstraint specifies how to spread matching pods among the given topology. + properties: + labelSelector: + description: LabelSelector is used to find matching pods. Pods that match this label selector are counted to determine the number of pods in their corresponding topology domain. + properties: + matchExpressions: + description: matchExpressions is a list of label selector requirements. The requirements are ANDed. + items: + description: A label selector requirement is a selector that contains values, a key, and an operator that relates the key and values. + properties: + key: + description: key is the label key that the selector applies to. + type: string + operator: + description: operator represents a key's relationship to a set of values. Valid operators are In, NotIn, Exists and DoesNotExist. + type: string + values: + description: values is an array of string values. If the operator is In or NotIn, the values array must be non-empty. If the operator is Exists or DoesNotExist, the values array must be empty. This array is replaced during a strategic merge patch. + items: + type: string + type: array + required: + - key + - operator + type: object + type: array + matchLabels: + additionalProperties: + type: string + description: matchLabels is a map of {key,value} pairs. A single {key,value} in the matchLabels map is equivalent to an element of matchExpressions, whose key field is "key", the operator is "In", and the values array contains only "value". The requirements are ANDed. + type: object + type: object + maxSkew: + description: 'MaxSkew describes the degree to which pods may be unevenly distributed. When `whenUnsatisfiable=DoNotSchedule`, it is the maximum permitted difference between the number of matching pods in the target topology and the global minimum. For example, in a 3-zone cluster, MaxSkew is set to 1, and pods with the same labelSelector spread as 1/1/0: | zone1 | zone2 | zone3 | | P | P | | - if MaxSkew is 1, incoming pod can only be scheduled to zone3 to become 1/1/1; scheduling it onto zone1(zone2) would make the ActualSkew(2-0) on zone1(zone2) violate MaxSkew(1). - if MaxSkew is 2, incoming pod can be scheduled onto any zone. When `whenUnsatisfiable=ScheduleAnyway`, it is used to give higher precedence to topologies that satisfy it. It''s a required field. Default value is 1 and 0 is not allowed.' + format: int32 + type: integer + topologyKey: + description: TopologyKey is the key of node labels. Nodes that have a label with this key and identical values are considered to be in the same topology. We consider each as a "bucket", and try to put balanced number of pods into each bucket. It's a required field. + type: string + whenUnsatisfiable: + description: 'WhenUnsatisfiable indicates how to deal with a pod if it doesn''t satisfy the spread constraint. - DoNotSchedule (default) tells the scheduler not to schedule it. - ScheduleAnyway tells the scheduler to schedule the pod in any location, but giving higher precedence to topologies that would help reduce the skew. A constraint is considered "Unsatisfiable" for an incoming pod if and only if every possible node assigment for that pod would violate "MaxSkew" on some topology. For example, in a 3-zone cluster, MaxSkew is set to 1, and pods with the same labelSelector spread as 3/1/1: | zone1 | zone2 | zone3 | | P P P | P | P | If WhenUnsatisfiable is set to DoNotSchedule, incoming pod can only be scheduled to zone2(zone3) to become 3/2/1(3/1/2) as ActualSkew(2-1) on zone2(zone3) satisfies MaxSkew(1). In other words, the cluster can still be imbalanced, but scheduler won''t make it *more* imbalanced. It''s a required field.' + type: string + required: + - maxSkew + - topologyKey + - whenUnsatisfiable + type: object + type: array volumeMounts: items: description: VolumeMount describes a mounting of a Volume within a container. diff --git a/charts/actions-runner-controller/crds/actions.summerwind.dev_runnerreplicasets.yaml b/charts/actions-runner-controller/crds/actions.summerwind.dev_runnerreplicasets.yaml index 1eeb4412..da07a262 100644 --- a/charts/actions-runner-controller/crds/actions.summerwind.dev_runnerreplicasets.yaml +++ b/charts/actions-runner-controller/crds/actions.summerwind.dev_runnerreplicasets.yaml @@ -3895,6 +3895,56 @@ spec: type: string type: object type: array + topologySpreadConstraint: + items: + description: TopologySpreadConstraint specifies how to spread matching pods among the given topology. + properties: + labelSelector: + description: LabelSelector is used to find matching pods. Pods that match this label selector are counted to determine the number of pods in their corresponding topology domain. + properties: + matchExpressions: + description: matchExpressions is a list of label selector requirements. The requirements are ANDed. + items: + description: A label selector requirement is a selector that contains values, a key, and an operator that relates the key and values. + properties: + key: + description: key is the label key that the selector applies to. + type: string + operator: + description: operator represents a key's relationship to a set of values. Valid operators are In, NotIn, Exists and DoesNotExist. + type: string + values: + description: values is an array of string values. If the operator is In or NotIn, the values array must be non-empty. If the operator is Exists or DoesNotExist, the values array must be empty. This array is replaced during a strategic merge patch. + items: + type: string + type: array + required: + - key + - operator + type: object + type: array + matchLabels: + additionalProperties: + type: string + description: matchLabels is a map of {key,value} pairs. A single {key,value} in the matchLabels map is equivalent to an element of matchExpressions, whose key field is "key", the operator is "In", and the values array contains only "value". The requirements are ANDed. + type: object + type: object + maxSkew: + description: 'MaxSkew describes the degree to which pods may be unevenly distributed. When `whenUnsatisfiable=DoNotSchedule`, it is the maximum permitted difference between the number of matching pods in the target topology and the global minimum. For example, in a 3-zone cluster, MaxSkew is set to 1, and pods with the same labelSelector spread as 1/1/0: | zone1 | zone2 | zone3 | | P | P | | - if MaxSkew is 1, incoming pod can only be scheduled to zone3 to become 1/1/1; scheduling it onto zone1(zone2) would make the ActualSkew(2-0) on zone1(zone2) violate MaxSkew(1). - if MaxSkew is 2, incoming pod can be scheduled onto any zone. When `whenUnsatisfiable=ScheduleAnyway`, it is used to give higher precedence to topologies that satisfy it. It''s a required field. Default value is 1 and 0 is not allowed.' + format: int32 + type: integer + topologyKey: + description: TopologyKey is the key of node labels. Nodes that have a label with this key and identical values are considered to be in the same topology. We consider each as a "bucket", and try to put balanced number of pods into each bucket. It's a required field. + type: string + whenUnsatisfiable: + description: 'WhenUnsatisfiable indicates how to deal with a pod if it doesn''t satisfy the spread constraint. - DoNotSchedule (default) tells the scheduler not to schedule it. - ScheduleAnyway tells the scheduler to schedule the pod in any location, but giving higher precedence to topologies that would help reduce the skew. A constraint is considered "Unsatisfiable" for an incoming pod if and only if every possible node assigment for that pod would violate "MaxSkew" on some topology. For example, in a 3-zone cluster, MaxSkew is set to 1, and pods with the same labelSelector spread as 3/1/1: | zone1 | zone2 | zone3 | | P P P | P | P | If WhenUnsatisfiable is set to DoNotSchedule, incoming pod can only be scheduled to zone2(zone3) to become 3/2/1(3/1/2) as ActualSkew(2-1) on zone2(zone3) satisfies MaxSkew(1). In other words, the cluster can still be imbalanced, but scheduler won''t make it *more* imbalanced. It''s a required field.' + type: string + required: + - maxSkew + - topologyKey + - whenUnsatisfiable + type: object + type: array volumeMounts: items: description: VolumeMount describes a mounting of a Volume within a container. diff --git a/charts/actions-runner-controller/crds/actions.summerwind.dev_runners.yaml b/charts/actions-runner-controller/crds/actions.summerwind.dev_runners.yaml index 1d02f1f2..25f8ba57 100644 --- a/charts/actions-runner-controller/crds/actions.summerwind.dev_runners.yaml +++ b/charts/actions-runner-controller/crds/actions.summerwind.dev_runners.yaml @@ -3841,6 +3841,56 @@ spec: type: string type: object type: array + topologySpreadConstraint: + items: + description: TopologySpreadConstraint specifies how to spread matching pods among the given topology. + properties: + labelSelector: + description: LabelSelector is used to find matching pods. Pods that match this label selector are counted to determine the number of pods in their corresponding topology domain. + properties: + matchExpressions: + description: matchExpressions is a list of label selector requirements. The requirements are ANDed. + items: + description: A label selector requirement is a selector that contains values, a key, and an operator that relates the key and values. + properties: + key: + description: key is the label key that the selector applies to. + type: string + operator: + description: operator represents a key's relationship to a set of values. Valid operators are In, NotIn, Exists and DoesNotExist. + type: string + values: + description: values is an array of string values. If the operator is In or NotIn, the values array must be non-empty. If the operator is Exists or DoesNotExist, the values array must be empty. This array is replaced during a strategic merge patch. + items: + type: string + type: array + required: + - key + - operator + type: object + type: array + matchLabels: + additionalProperties: + type: string + description: matchLabels is a map of {key,value} pairs. A single {key,value} in the matchLabels map is equivalent to an element of matchExpressions, whose key field is "key", the operator is "In", and the values array contains only "value". The requirements are ANDed. + type: object + type: object + maxSkew: + description: 'MaxSkew describes the degree to which pods may be unevenly distributed. When `whenUnsatisfiable=DoNotSchedule`, it is the maximum permitted difference between the number of matching pods in the target topology and the global minimum. For example, in a 3-zone cluster, MaxSkew is set to 1, and pods with the same labelSelector spread as 1/1/0: | zone1 | zone2 | zone3 | | P | P | | - if MaxSkew is 1, incoming pod can only be scheduled to zone3 to become 1/1/1; scheduling it onto zone1(zone2) would make the ActualSkew(2-0) on zone1(zone2) violate MaxSkew(1). - if MaxSkew is 2, incoming pod can be scheduled onto any zone. When `whenUnsatisfiable=ScheduleAnyway`, it is used to give higher precedence to topologies that satisfy it. It''s a required field. Default value is 1 and 0 is not allowed.' + format: int32 + type: integer + topologyKey: + description: TopologyKey is the key of node labels. Nodes that have a label with this key and identical values are considered to be in the same topology. We consider each as a "bucket", and try to put balanced number of pods into each bucket. It's a required field. + type: string + whenUnsatisfiable: + description: 'WhenUnsatisfiable indicates how to deal with a pod if it doesn''t satisfy the spread constraint. - DoNotSchedule (default) tells the scheduler not to schedule it. - ScheduleAnyway tells the scheduler to schedule the pod in any location, but giving higher precedence to topologies that would help reduce the skew. A constraint is considered "Unsatisfiable" for an incoming pod if and only if every possible node assigment for that pod would violate "MaxSkew" on some topology. For example, in a 3-zone cluster, MaxSkew is set to 1, and pods with the same labelSelector spread as 3/1/1: | zone1 | zone2 | zone3 | | P P P | P | P | If WhenUnsatisfiable is set to DoNotSchedule, incoming pod can only be scheduled to zone2(zone3) to become 3/2/1(3/1/2) as ActualSkew(2-1) on zone2(zone3) satisfies MaxSkew(1). In other words, the cluster can still be imbalanced, but scheduler won''t make it *more* imbalanced. It''s a required field.' + type: string + required: + - maxSkew + - topologyKey + - whenUnsatisfiable + type: object + type: array volumeMounts: items: description: VolumeMount describes a mounting of a Volume within a container. diff --git a/config/crd/bases/actions.summerwind.dev_runnerdeployments.yaml b/config/crd/bases/actions.summerwind.dev_runnerdeployments.yaml index ff02174f..4a205656 100644 --- a/config/crd/bases/actions.summerwind.dev_runnerdeployments.yaml +++ b/config/crd/bases/actions.summerwind.dev_runnerdeployments.yaml @@ -3898,6 +3898,56 @@ spec: type: string type: object type: array + topologySpreadConstraint: + items: + description: TopologySpreadConstraint specifies how to spread matching pods among the given topology. + properties: + labelSelector: + description: LabelSelector is used to find matching pods. Pods that match this label selector are counted to determine the number of pods in their corresponding topology domain. + properties: + matchExpressions: + description: matchExpressions is a list of label selector requirements. The requirements are ANDed. + items: + description: A label selector requirement is a selector that contains values, a key, and an operator that relates the key and values. + properties: + key: + description: key is the label key that the selector applies to. + type: string + operator: + description: operator represents a key's relationship to a set of values. Valid operators are In, NotIn, Exists and DoesNotExist. + type: string + values: + description: values is an array of string values. If the operator is In or NotIn, the values array must be non-empty. If the operator is Exists or DoesNotExist, the values array must be empty. This array is replaced during a strategic merge patch. + items: + type: string + type: array + required: + - key + - operator + type: object + type: array + matchLabels: + additionalProperties: + type: string + description: matchLabels is a map of {key,value} pairs. A single {key,value} in the matchLabels map is equivalent to an element of matchExpressions, whose key field is "key", the operator is "In", and the values array contains only "value". The requirements are ANDed. + type: object + type: object + maxSkew: + description: 'MaxSkew describes the degree to which pods may be unevenly distributed. When `whenUnsatisfiable=DoNotSchedule`, it is the maximum permitted difference between the number of matching pods in the target topology and the global minimum. For example, in a 3-zone cluster, MaxSkew is set to 1, and pods with the same labelSelector spread as 1/1/0: | zone1 | zone2 | zone3 | | P | P | | - if MaxSkew is 1, incoming pod can only be scheduled to zone3 to become 1/1/1; scheduling it onto zone1(zone2) would make the ActualSkew(2-0) on zone1(zone2) violate MaxSkew(1). - if MaxSkew is 2, incoming pod can be scheduled onto any zone. When `whenUnsatisfiable=ScheduleAnyway`, it is used to give higher precedence to topologies that satisfy it. It''s a required field. Default value is 1 and 0 is not allowed.' + format: int32 + type: integer + topologyKey: + description: TopologyKey is the key of node labels. Nodes that have a label with this key and identical values are considered to be in the same topology. We consider each as a "bucket", and try to put balanced number of pods into each bucket. It's a required field. + type: string + whenUnsatisfiable: + description: 'WhenUnsatisfiable indicates how to deal with a pod if it doesn''t satisfy the spread constraint. - DoNotSchedule (default) tells the scheduler not to schedule it. - ScheduleAnyway tells the scheduler to schedule the pod in any location, but giving higher precedence to topologies that would help reduce the skew. A constraint is considered "Unsatisfiable" for an incoming pod if and only if every possible node assigment for that pod would violate "MaxSkew" on some topology. For example, in a 3-zone cluster, MaxSkew is set to 1, and pods with the same labelSelector spread as 3/1/1: | zone1 | zone2 | zone3 | | P P P | P | P | If WhenUnsatisfiable is set to DoNotSchedule, incoming pod can only be scheduled to zone2(zone3) to become 3/2/1(3/1/2) as ActualSkew(2-1) on zone2(zone3) satisfies MaxSkew(1). In other words, the cluster can still be imbalanced, but scheduler won''t make it *more* imbalanced. It''s a required field.' + type: string + required: + - maxSkew + - topologyKey + - whenUnsatisfiable + type: object + type: array volumeMounts: items: description: VolumeMount describes a mounting of a Volume within a container. diff --git a/config/crd/bases/actions.summerwind.dev_runnerreplicasets.yaml b/config/crd/bases/actions.summerwind.dev_runnerreplicasets.yaml index 1eeb4412..da07a262 100644 --- a/config/crd/bases/actions.summerwind.dev_runnerreplicasets.yaml +++ b/config/crd/bases/actions.summerwind.dev_runnerreplicasets.yaml @@ -3895,6 +3895,56 @@ spec: type: string type: object type: array + topologySpreadConstraint: + items: + description: TopologySpreadConstraint specifies how to spread matching pods among the given topology. + properties: + labelSelector: + description: LabelSelector is used to find matching pods. Pods that match this label selector are counted to determine the number of pods in their corresponding topology domain. + properties: + matchExpressions: + description: matchExpressions is a list of label selector requirements. The requirements are ANDed. + items: + description: A label selector requirement is a selector that contains values, a key, and an operator that relates the key and values. + properties: + key: + description: key is the label key that the selector applies to. + type: string + operator: + description: operator represents a key's relationship to a set of values. Valid operators are In, NotIn, Exists and DoesNotExist. + type: string + values: + description: values is an array of string values. If the operator is In or NotIn, the values array must be non-empty. If the operator is Exists or DoesNotExist, the values array must be empty. This array is replaced during a strategic merge patch. + items: + type: string + type: array + required: + - key + - operator + type: object + type: array + matchLabels: + additionalProperties: + type: string + description: matchLabels is a map of {key,value} pairs. A single {key,value} in the matchLabels map is equivalent to an element of matchExpressions, whose key field is "key", the operator is "In", and the values array contains only "value". The requirements are ANDed. + type: object + type: object + maxSkew: + description: 'MaxSkew describes the degree to which pods may be unevenly distributed. When `whenUnsatisfiable=DoNotSchedule`, it is the maximum permitted difference between the number of matching pods in the target topology and the global minimum. For example, in a 3-zone cluster, MaxSkew is set to 1, and pods with the same labelSelector spread as 1/1/0: | zone1 | zone2 | zone3 | | P | P | | - if MaxSkew is 1, incoming pod can only be scheduled to zone3 to become 1/1/1; scheduling it onto zone1(zone2) would make the ActualSkew(2-0) on zone1(zone2) violate MaxSkew(1). - if MaxSkew is 2, incoming pod can be scheduled onto any zone. When `whenUnsatisfiable=ScheduleAnyway`, it is used to give higher precedence to topologies that satisfy it. It''s a required field. Default value is 1 and 0 is not allowed.' + format: int32 + type: integer + topologyKey: + description: TopologyKey is the key of node labels. Nodes that have a label with this key and identical values are considered to be in the same topology. We consider each as a "bucket", and try to put balanced number of pods into each bucket. It's a required field. + type: string + whenUnsatisfiable: + description: 'WhenUnsatisfiable indicates how to deal with a pod if it doesn''t satisfy the spread constraint. - DoNotSchedule (default) tells the scheduler not to schedule it. - ScheduleAnyway tells the scheduler to schedule the pod in any location, but giving higher precedence to topologies that would help reduce the skew. A constraint is considered "Unsatisfiable" for an incoming pod if and only if every possible node assigment for that pod would violate "MaxSkew" on some topology. For example, in a 3-zone cluster, MaxSkew is set to 1, and pods with the same labelSelector spread as 3/1/1: | zone1 | zone2 | zone3 | | P P P | P | P | If WhenUnsatisfiable is set to DoNotSchedule, incoming pod can only be scheduled to zone2(zone3) to become 3/2/1(3/1/2) as ActualSkew(2-1) on zone2(zone3) satisfies MaxSkew(1). In other words, the cluster can still be imbalanced, but scheduler won''t make it *more* imbalanced. It''s a required field.' + type: string + required: + - maxSkew + - topologyKey + - whenUnsatisfiable + type: object + type: array volumeMounts: items: description: VolumeMount describes a mounting of a Volume within a container. diff --git a/config/crd/bases/actions.summerwind.dev_runners.yaml b/config/crd/bases/actions.summerwind.dev_runners.yaml index 1d02f1f2..25f8ba57 100644 --- a/config/crd/bases/actions.summerwind.dev_runners.yaml +++ b/config/crd/bases/actions.summerwind.dev_runners.yaml @@ -3841,6 +3841,56 @@ spec: type: string type: object type: array + topologySpreadConstraint: + items: + description: TopologySpreadConstraint specifies how to spread matching pods among the given topology. + properties: + labelSelector: + description: LabelSelector is used to find matching pods. Pods that match this label selector are counted to determine the number of pods in their corresponding topology domain. + properties: + matchExpressions: + description: matchExpressions is a list of label selector requirements. The requirements are ANDed. + items: + description: A label selector requirement is a selector that contains values, a key, and an operator that relates the key and values. + properties: + key: + description: key is the label key that the selector applies to. + type: string + operator: + description: operator represents a key's relationship to a set of values. Valid operators are In, NotIn, Exists and DoesNotExist. + type: string + values: + description: values is an array of string values. If the operator is In or NotIn, the values array must be non-empty. If the operator is Exists or DoesNotExist, the values array must be empty. This array is replaced during a strategic merge patch. + items: + type: string + type: array + required: + - key + - operator + type: object + type: array + matchLabels: + additionalProperties: + type: string + description: matchLabels is a map of {key,value} pairs. A single {key,value} in the matchLabels map is equivalent to an element of matchExpressions, whose key field is "key", the operator is "In", and the values array contains only "value". The requirements are ANDed. + type: object + type: object + maxSkew: + description: 'MaxSkew describes the degree to which pods may be unevenly distributed. When `whenUnsatisfiable=DoNotSchedule`, it is the maximum permitted difference between the number of matching pods in the target topology and the global minimum. For example, in a 3-zone cluster, MaxSkew is set to 1, and pods with the same labelSelector spread as 1/1/0: | zone1 | zone2 | zone3 | | P | P | | - if MaxSkew is 1, incoming pod can only be scheduled to zone3 to become 1/1/1; scheduling it onto zone1(zone2) would make the ActualSkew(2-0) on zone1(zone2) violate MaxSkew(1). - if MaxSkew is 2, incoming pod can be scheduled onto any zone. When `whenUnsatisfiable=ScheduleAnyway`, it is used to give higher precedence to topologies that satisfy it. It''s a required field. Default value is 1 and 0 is not allowed.' + format: int32 + type: integer + topologyKey: + description: TopologyKey is the key of node labels. Nodes that have a label with this key and identical values are considered to be in the same topology. We consider each as a "bucket", and try to put balanced number of pods into each bucket. It's a required field. + type: string + whenUnsatisfiable: + description: 'WhenUnsatisfiable indicates how to deal with a pod if it doesn''t satisfy the spread constraint. - DoNotSchedule (default) tells the scheduler not to schedule it. - ScheduleAnyway tells the scheduler to schedule the pod in any location, but giving higher precedence to topologies that would help reduce the skew. A constraint is considered "Unsatisfiable" for an incoming pod if and only if every possible node assigment for that pod would violate "MaxSkew" on some topology. For example, in a 3-zone cluster, MaxSkew is set to 1, and pods with the same labelSelector spread as 3/1/1: | zone1 | zone2 | zone3 | | P P P | P | P | If WhenUnsatisfiable is set to DoNotSchedule, incoming pod can only be scheduled to zone2(zone3) to become 3/2/1(3/1/2) as ActualSkew(2-1) on zone2(zone3) satisfies MaxSkew(1). In other words, the cluster can still be imbalanced, but scheduler won''t make it *more* imbalanced. It''s a required field.' + type: string + required: + - maxSkew + - topologyKey + - whenUnsatisfiable + type: object + type: array volumeMounts: items: description: VolumeMount describes a mounting of a Volume within a container. diff --git a/controllers/runner_controller.go b/controllers/runner_controller.go index 1c95482c..14a91815 100644 --- a/controllers/runner_controller.go +++ b/controllers/runner_controller.go @@ -680,6 +680,10 @@ func (r *RunnerReconciler) newPod(runner v1alpha1.Runner) (corev1.Pod, error) { pod.Spec.Tolerations = runnerSpec.Tolerations } + if len(runnerSpec.TopologySpreadConstraints) != 0 { + pod.Spec.TopologySpreadConstraints = runnerSpec.TopologySpreadConstraints + } + if len(runnerSpec.EphemeralContainers) != 0 { pod.Spec.EphemeralContainers = runnerSpec.EphemeralContainers }