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defaults.go
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defaults.go
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// Copyright 2018 The Kubeflow Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package v1beta2
import (
"strings"
common "github.com/kubeflow/arena/pkg/operators/tf-operator/apis/common/v1beta2"
v1 "k8s.io/api/core/v1"
"k8s.io/apimachinery/pkg/runtime"
)
// Int32 is a helper routine that allocates a new int32 value
// to store v and returns a pointer to it.
func Int32(v int32) *int32 {
return &v
}
func addDefaultingFuncs(scheme *runtime.Scheme) error {
return RegisterDefaults(scheme)
}
// setDefaultPort sets the default ports for tensorflow container.
func setDefaultPort(spec *v1.PodSpec) {
index := 0
for i, container := range spec.Containers {
if container.Name == DefaultContainerName {
index = i
break
}
}
hasTFJobPort := false
for _, port := range spec.Containers[index].Ports {
if port.Name == DefaultPortName {
hasTFJobPort = true
break
}
}
if !hasTFJobPort {
spec.Containers[index].Ports = append(spec.Containers[index].Ports, v1.ContainerPort{
Name: DefaultPortName,
ContainerPort: DefaultPort,
})
}
}
func setDefaultReplicas(spec *common.ReplicaSpec) {
if spec.Replicas == nil {
spec.Replicas = Int32(1)
}
if spec.RestartPolicy == "" {
spec.RestartPolicy = DefaultRestartPolicy
}
}
// setTypeNamesToCamelCase sets the name of all replica types from any case to correct case.
func setTypeNamesToCamelCase(tfJob *TFJob) {
setTypeNameToCamelCase(tfJob, TFReplicaTypePS)
setTypeNameToCamelCase(tfJob, TFReplicaTypeWorker)
setTypeNameToCamelCase(tfJob, TFReplicaTypeChief)
setTypeNameToCamelCase(tfJob, TFReplicaTypeMaster)
setTypeNameToCamelCase(tfJob, TFReplicaTypeEval)
}
// setTypeNameToCamelCase sets the name of the replica type from any case to correct case.
// E.g. from ps to PS; from WORKER to Worker.
func setTypeNameToCamelCase(tfJob *TFJob, typ TFReplicaType) {
for t := range tfJob.Spec.TFReplicaSpecs {
if strings.EqualFold(string(t), string(typ)) && t != typ {
spec := tfJob.Spec.TFReplicaSpecs[t]
delete(tfJob.Spec.TFReplicaSpecs, t)
tfJob.Spec.TFReplicaSpecs[typ] = spec
return
}
}
}
// SetDefaults_TFJob sets any unspecified values to defaults.
func SetDefaults_TFJob(tfjob *TFJob) {
// Set default cleanpod policy to Running.
if tfjob.Spec.CleanPodPolicy == nil {
running := common.CleanPodPolicyRunning
tfjob.Spec.CleanPodPolicy = &running
}
// Update the key of TFReplicaSpecs to camel case.
setTypeNamesToCamelCase(tfjob)
for _, spec := range tfjob.Spec.TFReplicaSpecs {
// Set default replicas to 1.
setDefaultReplicas(spec)
// Set default port to tensorFlow container.
setDefaultPort(&spec.Template.Spec)
}
}