k8s

package
v1.0.36 Latest Latest
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 Go to latest Published: Feb 9, 2023 License: Apache-2.0 Imports: 43 Imported by: 1

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Constants

View Source 
const (
	ErrBuildPodTemplate       stdErrors.ErrorCode = "POD_TEMPLATE_FAILED"
	ErrReplaceCmdTemplate     stdErrors.ErrorCode = "CMD_TEMPLATE_FAILED"
	FlyteK8sArrayIndexVarName string              = "FLYTE_K8S_ARRAY_INDEX"

	JobIndexVarName string = "BATCH_JOB_ARRAY_INDEX_VAR_NAME"
)

Variables

This section is empty.

Functions

func GetK8sClient added in v0.5.29 

func GetK8sClient(config ClusterConfig) (client.Client, error)

func GetNewExecutorPlugin 

func GetNewExecutorPlugin(ctx context.Context, iCtx core.SetupContext) (core.Plugin, error)

func IsResourceConfigSet added in v0.5.29 

func IsResourceConfigSet(resourceConfig ResourceConfig) bool

func LaunchAndCheckSubTasksState added in v0.5.29 

func LaunchAndCheckSubTasksState(ctx context.Context, tCtx core.TaskExecutionContext, kubeClient core.KubeClient,
	config *Config, dataStore *storage.DataStore, outputPrefix, baseOutputDataSandbox storage.DataReference, currentState *arrayCore.State) (
	newState *arrayCore.State, externalResources []*core.ExternalResource, err error)

LaunchAndCheckSubTasksState iterates over each subtask performing operations to transition them to a terminal state. This may include creating new k8s resources, monitoring existing k8s resources, retrying failed attempts, or declaring a permanent failure among others.

func NewKubeClientObj added in v0.5.29 

func NewKubeClientObj(c client.Client) core.KubeClient

func RemoteClusterConfig added in v0.5.29 

func RemoteClusterConfig(host string, auth Auth) (*restclient.Config, error)

RemoteClusterConfig reads secret values from paths specified in the config to initialize a Kubernetes rest client Config. TODO: Move logic to flytestdlib

func TerminateSubTasks 

func TerminateSubTasks(ctx context.Context, tCtx core.TaskExecutionContext, kubeClient core.KubeClient, config *Config,
	terminateFunction func(context.Context, SubTaskExecutionContext, *Config, core.KubeClient) error, currentState *arrayCore.State) error

TerminateSubTasks performs operations to gracefully terminate all subtasks. This may include aborting and finalizing active k8s resources.

Types

type Auth added in v0.5.29 

type Auth struct {
	Type      string `json:"type" pflag:", Authentication type"`
	TokenPath string `json:"tokenPath" pflag:", Token path"`
	CertPath  string `json:"certPath" pflag:", Certificate path"`
}

func (Auth) GetCA added in v0.5.29 

func (auth Auth) GetCA() ([]byte, error)

func (Auth) GetToken added in v0.5.29 

func (auth Auth) GetToken() (string, error)

type ClusterConfig added in v0.5.29 

type ClusterConfig struct {
	Name     string `json:"name" pflag:",Friendly name of the remote cluster"`
	Endpoint string `json:"endpoint" pflag:", Remote K8s cluster endpoint"`
	Auth     Auth   `json:"auth" pflag:"-, Auth setting for the cluster"`
	Enabled  bool   `json:"enabled" pflag:", Boolean flag to enable or disable"`
}

type Config 

type Config struct {
	DefaultScheduler     string            `json:"scheduler" pflag:",Decides the scheduler to use when launching array-pods."`
	MaxErrorStringLength int               `json:"maxErrorLength" pflag:",Determines the maximum length of the error string returned for the array."`
	MaxArrayJobSize      int64             `json:"maxArrayJobSize" pflag:",Maximum size of array job."`
	ResourceConfig       ResourceConfig    `json:"resourceConfig" pflag:"-,ResourceConfiguration to limit number of resources used by k8s-array."`
	RemoteClusterConfig  ClusterConfig     `json:"remoteClusterConfig" pflag:"-,Configuration of remote K8s cluster for array jobs"`
	NodeSelector         map[string]string `json:"node-selector" pflag:"-,Defines a set of node selector labels to add to the pod."`
	Tolerations          []v1.Toleration   `json:"tolerations"  pflag:"-,Tolerations to be applied for k8s-array pods"`
	NamespaceTemplate    string            `json:"namespaceTemplate"  pflag:"-,Namespace pattern to spawn array-jobs in. Defaults to parent namespace if not set"`
	OutputAssembler      workqueue.Config
	ErrorAssembler       workqueue.Config
	LogConfig            LogConfig `json:"logs" pflag:",Config for log links for k8s array jobs."`
}

Config defines custom config for K8s Array plugin

func GetConfig 

func GetConfig() *Config

func (Config) GetPFlagSet 

func (cfg Config) GetPFlagSet(prefix string) *pflag.FlagSet

GetPFlagSet will return strongly types pflags for all fields in Config and its nested types. The format of the flags is json-name.json-sub-name... etc.

type Executor 

type Executor struct {
	// contains filtered or unexported fields
}

func NewExecutor 

func NewExecutor(kubeClient core.KubeClient, cfg *Config, scope promutils.Scope) (Executor, error)

func (Executor) Abort 

func (e Executor) Abort(ctx context.Context, tCtx core.TaskExecutionContext) error

func (Executor) Finalize 

func (e Executor) Finalize(ctx context.Context, tCtx core.TaskExecutionContext) error

func (Executor) GetID 

func (e Executor) GetID() string

func (Executor) GetProperties 

func (Executor) GetProperties() core.PluginProperties

func (Executor) Handle 

func (e Executor) Handle(ctx context.Context, tCtx core.TaskExecutionContext) (core.Transition, error)

func (Executor) Start 

func (e Executor) Start(ctx context.Context) error

type KubeClientObj added in v0.5.29 

type KubeClientObj struct {
	// contains filtered or unexported fields
}

func (KubeClientObj) GetCache added in v0.5.29 

func (k KubeClientObj) GetCache() cache.Cache

func (KubeClientObj) GetClient added in v0.5.29 

func (k KubeClientObj) GetClient() client.Client

type LogConfig added in v0.5.45 

type LogConfig struct {
	Config logs.LogConfig `json:"config" pflag:",Defines the log config for k8s logs."`
}

type ResourceConfig added in v0.5.29 

type ResourceConfig struct {
	PrimaryLabel string `json:"primaryLabel" pflag:",PrimaryLabel of a given service cluster"`
	Limit        int    `json:"limit" pflag:",Resource quota (in the number of outstanding requests) for the cluster"`
}

type SubTaskExecutionContext added in v0.10.15 

type SubTaskExecutionContext struct {
	pluginsCore.TaskExecutionContext
	// contains filtered or unexported fields
}

SubTaskExecutionContext wraps the core TaskExecutionContext so that the k8s array task context can be used within the pod plugin

func NewSubTaskExecutionContext added in v0.10.18 

func NewSubTaskExecutionContext(ctx context.Context, tCtx pluginsCore.TaskExecutionContext, taskTemplate *core.TaskTemplate,
	executionIndex, originalIndex int, retryAttempt uint64, systemFailures uint64) (SubTaskExecutionContext, error)

NewSubtaskExecutionContext constructs a SubTaskExecutionContext using the provided parameters

func (SubTaskExecutionContext) InputReader added in v0.10.15 

func (s SubTaskExecutionContext) InputReader() io.InputReader

InputReader overrides the base TaskExecutionContext to return a custom InputReader

func (SubTaskExecutionContext) OutputWriter added in v0.10.21 

func (s SubTaskExecutionContext) OutputWriter() io.OutputWriter

OutputWriter overrides the base TaskExecutionContext to return a custom OutputWriter

func (SubTaskExecutionContext) TaskExecutionMetadata added in v0.10.15 

func (s SubTaskExecutionContext) TaskExecutionMetadata() pluginsCore.TaskExecutionMetadata

TaskExecutionMetadata overrides the base TaskExecutionContext to return custom TaskExecutionMetadata

func (SubTaskExecutionContext) TaskReader added in v0.10.15 

func (s SubTaskExecutionContext) TaskReader() pluginsCore.TaskReader

TaskReader overrides the base TaskExecutionContext to return a custom TaskReader

type SubTaskExecutionID added in v0.10.15 

type SubTaskExecutionID struct {
	pluginsCore.TaskExecutionID
	// contains filtered or unexported fields
}

SubTaskExecutionID wraps the core TaskExecutionID to customize the generated pod name

func NewSubTaskExecutionID added in v0.10.18 

func NewSubTaskExecutionID(taskExecutionID pluginsCore.TaskExecutionID, executionIndex int, retryAttempt uint64) SubTaskExecutionID

NewSubtaskExecutionID constructs a SubTaskExecutionID using the provided parameters

func (SubTaskExecutionID) GetGeneratedName added in v0.10.15 

func (s SubTaskExecutionID) GetGeneratedName() string

GetGeneratedName overrides the base TaskExecutionID to append the subtask index and retryAttempt

func (SubTaskExecutionID) GetLogSuffix added in v0.10.15 

func (s SubTaskExecutionID) GetLogSuffix() string

GetLogSuffix returns the suffix which should be appended to subtask log names

type SubTaskExecutionMetadata added in v0.10.15 

type SubTaskExecutionMetadata struct {
	pluginsCore.TaskExecutionMetadata
	// contains filtered or unexported fields
}

SubTaskExecutionMetadata wraps the core TaskExecutionMetadata to customize the TaskExecutionID

func NewSubTaskExecutionMetadata added in v0.10.18 

func NewSubTaskExecutionMetadata(taskExecutionMetadata pluginsCore.TaskExecutionMetadata, taskTemplate *core.TaskTemplate,
	executionIndex int, retryAttempt uint64, systemFailures uint64) (SubTaskExecutionMetadata, error)

NewSubtaskExecutionMetadata constructs a SubTaskExecutionMetadata using the provided parameters

func (SubTaskExecutionMetadata) GetAnnotations added in v0.10.17 

func (s SubTaskExecutionMetadata) GetAnnotations() map[string]string

GetAnnotations overrides the base TaskExecutionMetadata to return a custom map

func (SubTaskExecutionMetadata) GetLabels added in v0.10.17 

func (s SubTaskExecutionMetadata) GetLabels() map[string]string

GetLabels overrides the base TaskExecutionMetadata to return a custom map

func (SubTaskExecutionMetadata) GetTaskExecutionID added in v0.10.15 

func (s SubTaskExecutionMetadata) GetTaskExecutionID() pluginsCore.TaskExecutionID

GetTaskExecutionID overrides the base TaskExecutionMetadata to return a custom TaskExecutionID

func (SubTaskExecutionMetadata) IsInterruptible added in v0.10.20 

func (s SubTaskExecutionMetadata) IsInterruptible() bool

IsInterruptbile overrides the base NodeExecutionMetadata to return a subtask specific identifier

type SubTaskReader added in v0.10.15 

type SubTaskReader struct {
	pluginsCore.TaskReader
	// contains filtered or unexported fields
}

SubTaskReader wraps the core TaskReader to customize the task template task type and version

func (SubTaskReader) Read added in v0.10.15 

func (s SubTaskReader) Read(ctx context.Context) (*core.TaskTemplate, error)

Read overrides the base TaskReader to return a custom TaskTemplate

Source Files

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