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kube-scheduler Configuration (v1beta1)

Resource Types

Policy

Policy describes a struct for a policy resource used in api.

FieldDescription
apiVersion
string
kubescheduler.config.k8s.io/v1
kind
string
Policy
predicates [Required]
[]PredicatePolicy
Holds the information to configure the fit predicate functions
priorities [Required]
[]PriorityPolicy
Holds the information to configure the priority functions
extenders [Required]
[]LegacyExtender
Holds the information to communicate with the extender(s)
hardPodAffinitySymmetricWeight [Required]
int32
RequiredDuringScheduling affinity is not symmetric, but there is an implicit PreferredDuringScheduling affinity rule corresponding to every RequiredDuringScheduling affinity rule. HardPodAffinitySymmetricWeight represents the weight of implicit PreferredDuringScheduling affinity rule, in the range 1-100.
alwaysCheckAllPredicates [Required]
bool
When AlwaysCheckAllPredicates is set to true, scheduler checks all the configured predicates even after one or more of them fails. When the flag is set to false, scheduler skips checking the rest of the predicates after it finds one predicate that failed.

ExtenderManagedResource

Appears in:

ExtenderManagedResource describes the arguments of extended resources managed by an extender.

FieldDescription
name [Required]
string
Name is the extended resource name.
ignoredByScheduler [Required]
bool
IgnoredByScheduler indicates whether kube-scheduler should ignore this resource when applying predicates.

ExtenderTLSConfig

Appears in:

ExtenderTLSConfig contains settings to enable TLS with extender

FieldDescription
insecure [Required]
bool
Server should be accessed without verifying the TLS certificate. For testing only.
serverName [Required]
string
ServerName is passed to the server for SNI and is used in the client to check server certificates against. If ServerName is empty, the hostname used to contact the server is used.
certFile [Required]
string
Server requires TLS client certificate authentication
keyFile [Required]
string
Server requires TLS client certificate authentication
caFile [Required]
string
Trusted root certificates for server
certData [Required]
[]byte
CertData holds PEM-encoded bytes (typically read from a client certificate file). CertData takes precedence over CertFile
keyData [Required]
[]byte
KeyData holds PEM-encoded bytes (typically read from a client certificate key file). KeyData takes precedence over KeyFile
caData [Required]
[]byte
CAData holds PEM-encoded bytes (typically read from a root certificates bundle). CAData takes precedence over CAFile

LabelPreference

Appears in:

LabelPreference holds the parameters that are used to configure the corresponding priority function

FieldDescription
label [Required]
string
Used to identify node "groups"
presence [Required]
bool
This is a boolean flag If true, higher priority is given to nodes that have the label If false, higher priority is given to nodes that do not have the label

LabelsPresence

Appears in:

LabelsPresence holds the parameters that are used to configure the corresponding predicate in scheduler policy configuration.

FieldDescription
labels [Required]
[]string
The list of labels that identify node "groups" All of the labels should be either present (or absent) for the node to be considered a fit for hosting the pod
presence [Required]
bool
The boolean flag that indicates whether the labels should be present or absent from the node

LegacyExtender

Appears in:

LegacyExtender holds the parameters used to communicate with the extender. If a verb is unspecified/empty, it is assumed that the extender chose not to provide that extension.

FieldDescription
urlPrefix [Required]
string
URLPrefix at which the extender is available
filterVerb [Required]
string
Verb for the filter call, empty if not supported. This verb is appended to the URLPrefix when issuing the filter call to extender.
preemptVerb [Required]
string
Verb for the preempt call, empty if not supported. This verb is appended to the URLPrefix when issuing the preempt call to extender.
prioritizeVerb [Required]
string
Verb for the prioritize call, empty if not supported. This verb is appended to the URLPrefix when issuing the prioritize call to extender.
weight [Required]
int64
The numeric multiplier for the node scores that the prioritize call generates. The weight should be a positive integer
bindVerb [Required]
string
Verb for the bind call, empty if not supported. This verb is appended to the URLPrefix when issuing the bind call to extender. If this method is implemented by the extender, it is the extender's responsibility to bind the pod to apiserver. Only one extender can implement this function.
enableHttps [Required]
bool
EnableHTTPS specifies whether https should be used to communicate with the extender
tlsConfig [Required]
ExtenderTLSConfig
TLSConfig specifies the transport layer security config
httpTimeout [Required]
time.Duration
HTTPTimeout specifies the timeout duration for a call to the extender. Filter timeout fails the scheduling of the pod. Prioritize timeout is ignored, k8s/other extenders priorities are used to select the node.
nodeCacheCapable [Required]
bool
NodeCacheCapable specifies that the extender is capable of caching node information, so the scheduler should only send minimal information about the eligible nodes assuming that the extender already cached full details of all nodes in the cluster
managedResources
[]ExtenderManagedResource
ManagedResources is a list of extended resources that are managed by this extender. - A pod will be sent to the extender on the Filter, Prioritize and Bind (if the extender is the binder) phases iff the pod requests at least one of the extended resources in this list. If empty or unspecified, all pods will be sent to this extender. - If IgnoredByScheduler is set to true for a resource, kube-scheduler will skip checking the resource in predicates.
ignorable [Required]
bool
Ignorable specifies if the extender is ignorable, i.e. scheduling should not fail when the extender returns an error or is not reachable.

PredicateArgument

Appears in:

PredicateArgument represents the arguments to configure predicate functions in scheduler policy configuration. Only one of its members may be specified

FieldDescription
serviceAffinity [Required]
ServiceAffinity
The predicate that provides affinity for pods belonging to a service It uses a label to identify nodes that belong to the same "group"
labelsPresence [Required]
LabelsPresence
The predicate that checks whether a particular node has a certain label defined or not, regardless of value

PredicatePolicy

Appears in:

PredicatePolicy describes a struct of a predicate policy.

FieldDescription
name [Required]
string
Identifier of the predicate policy For a custom predicate, the name can be user-defined For the Kubernetes provided predicates, the name is the identifier of the pre-defined predicate
argument [Required]
PredicateArgument
Holds the parameters to configure the given predicate

PriorityArgument

Appears in:

PriorityArgument represents the arguments to configure priority functions in scheduler policy configuration. Only one of its members may be specified

FieldDescription
serviceAntiAffinity [Required]
ServiceAntiAffinity
The priority function that ensures a good spread (anti-affinity) for pods belonging to a service It uses a label to identify nodes that belong to the same "group"
labelPreference [Required]
LabelPreference
The priority function that checks whether a particular node has a certain label defined or not, regardless of value
requestedToCapacityRatioArguments [Required]
RequestedToCapacityRatioArguments
The RequestedToCapacityRatio priority function is parametrized with function shape.

PriorityPolicy

Appears in:

PriorityPolicy describes a struct of a priority policy.

FieldDescription
name [Required]
string
Identifier of the priority policy For a custom priority, the name can be user-defined For the Kubernetes provided priority functions, the name is the identifier of the pre-defined priority function
weight [Required]
int64
The numeric multiplier for the node scores that the priority function generates The weight should be non-zero and can be a positive or a negative integer
argument [Required]
PriorityArgument
Holds the parameters to configure the given priority function

RequestedToCapacityRatioArguments

Appears in:

RequestedToCapacityRatioArguments holds arguments specific to RequestedToCapacityRatio priority function.

FieldDescription
shape [Required]
[]UtilizationShapePoint
Array of point defining priority function shape.
resources [Required]
[]ResourceSpec
No description provided.

ResourceSpec

Appears in:

ResourceSpec represents single resource and weight for bin packing of priority RequestedToCapacityRatioArguments.

FieldDescription
name [Required]
string
Name of the resource to be managed by RequestedToCapacityRatio function.
weight [Required]
int64
Weight of the resource.

ServiceAffinity

Appears in:

ServiceAffinity holds the parameters that are used to configure the corresponding predicate in scheduler policy configuration.

FieldDescription
labels [Required]
[]string
The list of labels that identify node "groups" All of the labels should match for the node to be considered a fit for hosting the pod

ServiceAntiAffinity

Appears in:

ServiceAntiAffinity holds the parameters that are used to configure the corresponding priority function

FieldDescription
label [Required]
string
Used to identify node "groups"

UtilizationShapePoint

Appears in:

UtilizationShapePoint represents single point of priority function shape.

FieldDescription
utilization [Required]
int32
Utilization (x axis). Valid values are 0 to 100. Fully utilized node maps to 100.
score [Required]
int32
Score assigned to given utilization (y axis). Valid values are 0 to 10.

ClientConnectionConfiguration

Appears in:

ClientConnectionConfiguration contains details for constructing a client.

FieldDescription
kubeconfig [Required]
string
kubeconfig is the path to a KubeConfig file.
acceptContentTypes [Required]
string
acceptContentTypes defines the Accept header sent by clients when connecting to a server, overriding the default value of 'application/json'. This field will control all connections to the server used by a particular client.
contentType [Required]
string
contentType is the content type used when sending data to the server from this client.
qps [Required]
float32
qps controls the number of queries per second allowed for this connection.
burst [Required]
int32
burst allows extra queries to accumulate when a client is exceeding its rate.

DebuggingConfiguration

Appears in:

DebuggingConfiguration holds configuration for Debugging related features.

FieldDescription
enableProfiling [Required]
bool
enableProfiling enables profiling via web interface host:port/debug/pprof/
enableContentionProfiling [Required]
bool
enableContentionProfiling enables lock contention profiling, if enableProfiling is true.

LeaderElectionConfiguration

Appears in:

LeaderElectionConfiguration defines the configuration of leader election clients for components that can run with leader election enabled.

FieldDescription
leaderElect [Required]
bool
leaderElect enables a leader election client to gain leadership before executing the main loop. Enable this when running replicated components for high availability.
leaseDuration [Required]
meta/v1.Duration
leaseDuration is the duration that non-leader candidates will wait after observing a leadership renewal until attempting to acquire leadership of a led but unrenewed leader slot. This is effectively the maximum duration that a leader can be stopped before it is replaced by another candidate. This is only applicable if leader election is enabled.
renewDeadline [Required]
meta/v1.Duration
renewDeadline is the interval between attempts by the acting master to renew a leadership slot before it stops leading. This must be less than or equal to the lease duration. This is only applicable if leader election is enabled.
retryPeriod [Required]
meta/v1.Duration
retryPeriod is the duration the clients should wait between attempting acquisition and renewal of a leadership. This is only applicable if leader election is enabled.
resourceLock [Required]
string
resourceLock indicates the resource object type that will be used to lock during leader election cycles.
resourceName [Required]
string
resourceName indicates the name of resource object that will be used to lock during leader election cycles.
resourceNamespace [Required]
string
resourceName indicates the namespace of resource object that will be used to lock during leader election cycles.

LoggingConfiguration

Appears in:

LoggingConfiguration contains logging options Refer Logs Options for more information.

FieldDescription
format [Required]
string
Format Flag specifies the structure of log messages. default value of format is `text`
sanitization [Required]
bool
[Experimental] When enabled prevents logging of fields tagged as sensitive (passwords, keys, tokens). Runtime log sanitization may introduce significant computation overhead and therefore should not be enabled in production.`)

DefaultPreemptionArgs

DefaultPreemptionArgs holds arguments used to configure the DefaultPreemption plugin.

FieldDescription
apiVersion
string
kubescheduler.config.k8s.io/v1beta1
kind
string
DefaultPreemptionArgs
minCandidateNodesPercentage [Required]
int32
MinCandidateNodesPercentage is the minimum number of candidates to shortlist when dry running preemption as a percentage of number of nodes. Must be in the range [0, 100]. Defaults to 10% of the cluster size if unspecified.
minCandidateNodesAbsolute [Required]
int32
MinCandidateNodesAbsolute is the absolute minimum number of candidates to shortlist. The likely number of candidates enumerated for dry running preemption is given by the formula: numCandidates = max(numNodes ∗ minCandidateNodesPercentage, minCandidateNodesAbsolute) We say "likely" because there are other factors such as PDB violations that play a role in the number of candidates shortlisted. Must be at least 0 nodes. Defaults to 100 nodes if unspecified.

InterPodAffinityArgs

InterPodAffinityArgs holds arguments used to configure the InterPodAffinity plugin.

FieldDescription
apiVersion
string
kubescheduler.config.k8s.io/v1beta1
kind
string
InterPodAffinityArgs
hardPodAffinityWeight [Required]
int32
HardPodAffinityWeight is the scoring weight for existing pods with a matching hard affinity to the incoming pod.

KubeSchedulerConfiguration

KubeSchedulerConfiguration configures a scheduler

FieldDescription
apiVersion
string
kubescheduler.config.k8s.io/v1beta1
kind
string
KubeSchedulerConfiguration
parallelism [Required]
int32
Parallelism defines the amount of parallelism in algorithms for scheduling a Pods. Must be greater than 0. Defaults to 16
leaderElection [Required]
LeaderElectionConfiguration
LeaderElection defines the configuration of leader election client.
clientConnection [Required]
ClientConnectionConfiguration
ClientConnection specifies the kubeconfig file and client connection settings for the proxy server to use when communicating with the apiserver.
healthzBindAddress [Required]
string
HealthzBindAddress is the IP address and port for the health check server to serve on, defaulting to 0.0.0.0:10251
metricsBindAddress [Required]
string
MetricsBindAddress is the IP address and port for the metrics server to serve on, defaulting to 0.0.0.0:10251.
DebuggingConfiguration [Required]
DebuggingConfiguration
(Members of DebuggingConfiguration are embedded into this type.) DebuggingConfiguration holds configuration for Debugging related features TODO: We might wanna make this a substruct like Debugging componentbaseconfigv1alpha1.DebuggingConfiguration
percentageOfNodesToScore [Required]
int32
PercentageOfNodesToScore is the percentage of all nodes that once found feasible for running a pod, the scheduler stops its search for more feasible nodes in the cluster. This helps improve scheduler's performance. Scheduler always tries to find at least "minFeasibleNodesToFind" feasible nodes no matter what the value of this flag is. Example: if the cluster size is 500 nodes and the value of this flag is 30, then scheduler stops finding further feasible nodes once it finds 150 feasible ones. When the value is 0, default percentage (5%--50% based on the size of the cluster) of the nodes will be scored.
podInitialBackoffSeconds [Required]
int64
PodInitialBackoffSeconds is the initial backoff for unschedulable pods. If specified, it must be greater than 0. If this value is null, the default value (1s) will be used.
podMaxBackoffSeconds [Required]
int64
PodMaxBackoffSeconds is the max backoff for unschedulable pods. If specified, it must be greater than podInitialBackoffSeconds. If this value is null, the default value (10s) will be used.
profiles [Required]
[]KubeSchedulerProfile
Profiles are scheduling profiles that kube-scheduler supports. Pods can choose to be scheduled under a particular profile by setting its associated scheduler name. Pods that don't specify any scheduler name are scheduled with the "default-scheduler" profile, if present here.
extenders [Required]
[]Extender
Extenders are the list of scheduler extenders, each holding the values of how to communicate with the extender. These extenders are shared by all scheduler profiles.

NodeAffinityArgs

NodeAffinityArgs holds arguments to configure the NodeAffinity plugin.

FieldDescription
apiVersion
string
kubescheduler.config.k8s.io/v1beta1
kind
string
NodeAffinityArgs
addedAffinity
core/v1.NodeAffinity
AddedAffinity is applied to all Pods additionally to the NodeAffinity specified in the PodSpec. That is, Nodes need to satisfy AddedAffinity AND .spec.NodeAffinity. AddedAffinity is empty by default (all Nodes match). When AddedAffinity is used, some Pods with affinity requirements that match a specific Node (such as Daemonset Pods) might remain unschedulable.

NodeLabelArgs

NodeLabelArgs holds arguments used to configure the NodeLabel plugin.

FieldDescription
apiVersion
string
kubescheduler.config.k8s.io/v1beta1
kind
string
NodeLabelArgs
presentLabels [Required]
[]string
PresentLabels should be present for the node to be considered a fit for hosting the pod
absentLabels [Required]
[]string
AbsentLabels should be absent for the node to be considered a fit for hosting the pod
presentLabelsPreference [Required]
[]string
Nodes that have labels in the list will get a higher score.
absentLabelsPreference [Required]
[]string
Nodes that don't have labels in the list will get a higher score.

NodeResourcesFitArgs

NodeResourcesFitArgs holds arguments used to configure the NodeResourcesFit plugin.

FieldDescription
apiVersion
string
kubescheduler.config.k8s.io/v1beta1
kind
string
NodeResourcesFitArgs
ignoredResources [Required]
[]string
IgnoredResources is the list of resources that NodeResources fit filter should ignore.
ignoredResourceGroups [Required]
[]string
IgnoredResourceGroups defines the list of resource groups that NodeResources fit filter should ignore. e.g. if group is ["example.com"], it will ignore all resource names that begin with "example.com", such as "example.com/aaa" and "example.com/bbb". A resource group name can't contain '/'.

NodeResourcesLeastAllocatedArgs

NodeResourcesLeastAllocatedArgs holds arguments used to configure NodeResourcesLeastAllocated plugin.

FieldDescription
apiVersion
string
kubescheduler.config.k8s.io/v1beta1
kind
string
NodeResourcesLeastAllocatedArgs
resources [Required]
[]ResourceSpec
Resources to be managed, if no resource is provided, default resource set with both the weight of "cpu" and "memory" set to "1" will be applied. Resource with "0" weight will not accountable for the final score.

NodeResourcesMostAllocatedArgs

NodeResourcesMostAllocatedArgs holds arguments used to configure NodeResourcesMostAllocated plugin.

FieldDescription
apiVersion
string
kubescheduler.config.k8s.io/v1beta1
kind
string
NodeResourcesMostAllocatedArgs
resources [Required]
[]ResourceSpec
Resources to be managed, if no resource is provided, default resource set with both the weight of "cpu" and "memory" set to "1" will be applied. Resource with "0" weight will not accountable for the final score.

PodTopologySpreadArgs

PodTopologySpreadArgs holds arguments used to configure the PodTopologySpread plugin.

FieldDescription
apiVersion
string
kubescheduler.config.k8s.io/v1beta1
kind
string
PodTopologySpreadArgs
defaultConstraints
[]core/v1.TopologySpreadConstraint
DefaultConstraints defines topology spread constraints to be applied to Pods that don't define any in `pod.spec.topologySpreadConstraints`. `.defaultConstraints[∗].labelSelectors` must be empty, as they are deduced from the Pod's membership to Services, ReplicationControllers, ReplicaSets or StatefulSets. When not empty, .defaultingType must be "List".
defaultingType
PodTopologySpreadConstraintsDefaulting
DefaultingType determines how .defaultConstraints are deduced. Can be one of "System" or "List".
  • "System": Use kubernetes defined constraints that spread Pods among Nodes and Zones.
  • "List": Use constraints defined in .defaultConstraints.

Defaults to "List" if feature gate DefaultPodTopologySpread is disabled and to "System" if enabled.

RequestedToCapacityRatioArgs

RequestedToCapacityRatioArgs holds arguments used to configure RequestedToCapacityRatio plugin.

FieldDescription
apiVersion
string
kubescheduler.config.k8s.io/v1beta1
kind
string
RequestedToCapacityRatioArgs
shape [Required]
[]UtilizationShapePoint
Points defining priority function shape
resources [Required]
[]ResourceSpec
Resources to be managed

ServiceAffinityArgs

ServiceAffinityArgs holds arguments used to configure the ServiceAffinity plugin.

FieldDescription
apiVersion
string
kubescheduler.config.k8s.io/v1beta1
kind
string
ServiceAffinityArgs
affinityLabels [Required]
[]string
AffinityLabels are homogeneous for pods that are scheduled to a node. (i.e. it returns true IFF this pod can be added to this node such that all other pods in the same service are running on nodes with the exact same values for Labels).
antiAffinityLabelsPreference [Required]
[]string
AntiAffinityLabelsPreference are the labels to consider for service anti affinity scoring.

VolumeBindingArgs

VolumeBindingArgs holds arguments used to configure the VolumeBinding plugin.

FieldDescription
apiVersion
string
kubescheduler.config.k8s.io/v1beta1
kind
string
VolumeBindingArgs
bindTimeoutSeconds [Required]
int64
BindTimeoutSeconds is the timeout in seconds in volume binding operation. Value must be non-negative integer. The value zero indicates no waiting. If this value is nil, the default value (600) will be used.

Extender

Appears in:

Extender holds the parameters used to communicate with the extender. If a verb is unspecified/empty, it is assumed that the extender chose not to provide that extension.

FieldDescription
urlPrefix [Required]
string
URLPrefix at which the extender is available
filterVerb [Required]
string
Verb for the filter call, empty if not supported. This verb is appended to the URLPrefix when issuing the filter call to extender.
preemptVerb [Required]
string
Verb for the preempt call, empty if not supported. This verb is appended to the URLPrefix when issuing the preempt call to extender.
prioritizeVerb [Required]
string
Verb for the prioritize call, empty if not supported. This verb is appended to the URLPrefix when issuing the prioritize call to extender.
weight [Required]
int64
The numeric multiplier for the node scores that the prioritize call generates. The weight should be a positive integer
bindVerb [Required]
string
Verb for the bind call, empty if not supported. This verb is appended to the URLPrefix when issuing the bind call to extender. If this method is implemented by the extender, it is the extender's responsibility to bind the pod to apiserver. Only one extender can implement this function.
enableHTTPS [Required]
bool
EnableHTTPS specifies whether https should be used to communicate with the extender
tlsConfig [Required]
ExtenderTLSConfig
TLSConfig specifies the transport layer security config
httpTimeout [Required]
meta/v1.Duration
HTTPTimeout specifies the timeout duration for a call to the extender. Filter timeout fails the scheduling of the pod. Prioritize timeout is ignored, k8s/other extenders priorities are used to select the node.
nodeCacheCapable [Required]
bool
NodeCacheCapable specifies that the extender is capable of caching node information, so the scheduler should only send minimal information about the eligible nodes assuming that the extender already cached full details of all nodes in the cluster
managedResources
[]ExtenderManagedResource
ManagedResources is a list of extended resources that are managed by this extender. - A pod will be sent to the extender on the Filter, Prioritize and Bind (if the extender is the binder) phases iff the pod requests at least one of the extended resources in this list. If empty or unspecified, all pods will be sent to this extender. - If IgnoredByScheduler is set to true for a resource, kube-scheduler will skip checking the resource in predicates.
ignorable [Required]
bool
Ignorable specifies if the extender is ignorable, i.e. scheduling should not fail when the extender returns an error or is not reachable.

KubeSchedulerProfile

Appears in:

KubeSchedulerProfile is a scheduling profile.

FieldDescription
schedulerName [Required]
string
SchedulerName is the name of the scheduler associated to this profile. If SchedulerName matches with the pod's "spec.schedulerName", then the pod is scheduled with this profile.
plugins [Required]
Plugins
Plugins specify the set of plugins that should be enabled or disabled. Enabled plugins are the ones that should be enabled in addition to the default plugins. Disabled plugins are any of the default plugins that should be disabled. When no enabled or disabled plugin is specified for an extension point, default plugins for that extension point will be used if there is any. If a QueueSort plugin is specified, the same QueueSort Plugin and PluginConfig must be specified for all profiles.
pluginConfig [Required]
[]PluginConfig
PluginConfig is an optional set of custom plugin arguments for each plugin. Omitting config args for a plugin is equivalent to using the default config for that plugin.

Plugin

Appears in:

Plugin specifies a plugin name and its weight when applicable. Weight is used only for Score plugins.

FieldDescription
name [Required]
string
Name defines the name of plugin
weight [Required]
int32
Weight defines the weight of plugin, only used for Score plugins.

PluginConfig

Appears in:

PluginConfig specifies arguments that should be passed to a plugin at the time of initialization. A plugin that is invoked at multiple extension points is initialized once. Args can have arbitrary structure. It is up to the plugin to process these Args.

FieldDescription
name [Required]
string
Name defines the name of plugin being configured
args [Required]
k8s.io/apimachinery/pkg/runtime.RawExtension
Args defines the arguments passed to the plugins at the time of initialization. Args can have arbitrary structure.

PluginSet

Appears in:

PluginSet specifies enabled and disabled plugins for an extension point. If an array is empty, missing, or nil, default plugins at that extension point will be used.

FieldDescription
enabled [Required]
[]Plugin
Enabled specifies plugins that should be enabled in addition to default plugins. These are called after default plugins and in the same order specified here.
disabled [Required]
[]Plugin
Disabled specifies default plugins that should be disabled. When all default plugins need to be disabled, an array containing only one "∗" should be provided.

Plugins

Appears in:

Plugins include multiple extension points. When specified, the list of plugins for a particular extension point are the only ones enabled. If an extension point is omitted from the config, then the default set of plugins is used for that extension point. Enabled plugins are called in the order specified here, after default plugins. If they need to be invoked before default plugins, default plugins must be disabled and re-enabled here in desired order.

FieldDescription
queueSort [Required]
PluginSet
QueueSort is a list of plugins that should be invoked when sorting pods in the scheduling queue.
preFilter [Required]
PluginSet
PreFilter is a list of plugins that should be invoked at "PreFilter" extension point of the scheduling framework.
filter [Required]
PluginSet
Filter is a list of plugins that should be invoked when filtering out nodes that cannot run the Pod.
postFilter [Required]
PluginSet
PostFilter is a list of plugins that are invoked after filtering phase, no matter whether filtering succeeds or not.
preScore [Required]
PluginSet
PreScore is a list of plugins that are invoked before scoring.
score [Required]
PluginSet
Score is a list of plugins that should be invoked when ranking nodes that have passed the filtering phase.
reserve [Required]
PluginSet
Reserve is a list of plugins invoked when reserving/unreserving resources after a node is assigned to run the pod.
permit [Required]
PluginSet
Permit is a list of plugins that control binding of a Pod. These plugins can prevent or delay binding of a Pod.
preBind [Required]
PluginSet
PreBind is a list of plugins that should be invoked before a pod is bound.
bind [Required]
PluginSet
Bind is a list of plugins that should be invoked at "Bind" extension point of the scheduling framework. The scheduler call these plugins in order. Scheduler skips the rest of these plugins as soon as one returns success.
postBind [Required]
PluginSet
PostBind is a list of plugins that should be invoked after a pod is successfully bound.

PodTopologySpreadConstraintsDefaulting

(Alias of string)

Appears in:

PodTopologySpreadConstraintsDefaulting defines how to set default constraints for the PodTopologySpread plugin.

ResourceSpec

Appears in:

ResourceSpec represents single resource and weight for bin packing of priority RequestedToCapacityRatioArguments.

FieldDescription
name [Required]
string
Name of the resource to be managed by RequestedToCapacityRatio function.
weight [Required]
int64
Weight of the resource.

UtilizationShapePoint

Appears in:

UtilizationShapePoint represents single point of priority function shape.

FieldDescription
utilization [Required]
int32
Utilization (x axis). Valid values are 0 to 100. Fully utilized node maps to 100.
score [Required]
int32
Score assigned to given utilization (y axis). Valid values are 0 to 10.
Last modified February 17, 2021 at 9:22 PM PST: Add reference for kube-scheduler config (ce76e0f87)