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workflow-step-definition.go
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workflow-step-definition.go
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package tosca_v2_0
import (
"github.com/tliron/puccini/tosca"
"github.com/tliron/puccini/tosca/normal"
)
//
// WorkflowStepDefinition
//
// [TOSCA-v2.0] @ ?
// [TOSCA-Simple-Profile-YAML-v1.3] @ 3.6.27
// [TOSCA-Simple-Profile-YAML-v1.2] @ 3.6.23
// [TOSCA-Simple-Profile-YAML-v1.1] @ 3.5.21
//
type WorkflowStepDefinition struct {
*Entity `name:"workflow step definition"`
Name string
TargetNodeTemplateOrGroupName *string `read:"target" require:""`
TargetNodeRequirementName *string `read:"target_relationship"`
OperationHost *string `read:"operation_host"`
FilterConditionClauses ConditionClauses `read:"filter,[]ConditionClause"` // spec is wrong, says constraint clause
ActivityDefinitions WorkflowActivityDefinitions `read:"activities,[]WorkflowActivityDefinition" require:""`
OnSuccessStepNames *[]string `read:"on_success"`
OnFailureStepNames *[]string `read:"on_failure"`
TargetNodeTemplate *NodeTemplate `lookup:"target,TargetNodeTemplateOrGroupName" json:"-" yaml:"-"`
TargetGroup *Group `lookup:"target,TargetNodeTemplateOrGroupName" json:"-" yaml:"-"`
OnSuccessSteps []*WorkflowStepDefinition // custom lookup
OnFailureSteps []*WorkflowStepDefinition // custom lookup
}
func NewWorkflowStepDefinition(context *tosca.Context) *WorkflowStepDefinition {
return &WorkflowStepDefinition{
Entity: NewEntity(context),
Name: context.Name,
}
}
// tosca.Reader signature
func ReadWorkflowStepDefinition(context *tosca.Context) tosca.EntityPtr {
self := NewWorkflowStepDefinition(context)
context.ValidateUnsupportedFields(context.ReadFields(self))
return self
}
// tosca.Mappable interface
func (self *WorkflowStepDefinition) GetKey() string {
return self.Name
}
func (self *WorkflowStepDefinition) Render(definitions WorkflowStepDefinitions) {
logInherit.Debugf("workflow step definition: %s", self.Name)
if self.OnSuccessStepNames != nil {
for index, name := range *self.OnSuccessStepNames {
if definition, ok := definitions[name]; ok {
self.OnSuccessSteps = append(self.OnSuccessSteps, definition)
} else {
self.Context.ListChild(index, name).ReportUnknown("step")
}
}
}
if self.OnFailureStepNames != nil {
for index, name := range *self.OnFailureStepNames {
if definition, ok := definitions[name]; ok {
self.OnFailureSteps = append(self.OnFailureSteps, definition)
} else {
self.Context.ListChild(index, name).ReportUnknown("step")
}
}
}
for _, activity := range self.ActivityDefinitions {
activity.Render(self)
}
// TODO: validate OperationHost
}
func (self *WorkflowStepDefinition) Normalize(normalWorkflow *normal.Workflow) *normal.WorkflowStep {
logNormalize.Debugf("workflow step definition: %s", self.Name)
normalWorkflowStep := normalWorkflow.NewStep(self.Name)
if self.TargetNodeTemplate != nil {
if normalNodeTemplate, ok := normalWorkflow.ServiceTemplate.NodeTemplates[self.TargetNodeTemplate.Name]; ok {
normalWorkflowStep.TargetNodeTemplate = normalNodeTemplate
}
} else if self.TargetGroup != nil {
if normalGroup, ok := normalWorkflow.ServiceTemplate.Groups[self.TargetGroup.Name]; ok {
normalWorkflowStep.TargetGroup = normalGroup
}
}
for _, activity := range self.ActivityDefinitions {
activity.Normalize(normalWorkflowStep)
}
return normalWorkflowStep
}
func (self *WorkflowStepDefinition) NormalizeNext(normalWorkflowStep *normal.WorkflowStep, normalWorkflow *normal.Workflow) {
for _, next := range self.OnSuccessSteps {
normalWorkflowStep.OnSuccessSteps = append(normalWorkflowStep.OnSuccessSteps, normalWorkflow.Steps[next.Name])
}
for _, next := range self.OnFailureSteps {
normalWorkflowStep.OnFailureSteps = append(normalWorkflowStep.OnFailureSteps, normalWorkflow.Steps[next.Name])
}
if self.OperationHost != nil {
normalWorkflowStep.Host = *self.OperationHost
}
}
//
// WorkflowStepDefinitions
//
type WorkflowStepDefinitions map[string]*WorkflowStepDefinition
func (self WorkflowStepDefinitions) Render() {
for _, step := range self {
step.Render(self)
}
}
func (self WorkflowStepDefinitions) Normalize(normalWorkflow *normal.Workflow) {
steps := make(normal.WorkflowSteps)
for name, step := range self {
steps[name] = step.Normalize(normalWorkflow)
}
for name, step := range self {
step.NormalizeNext(steps[name], normalWorkflow)
}
}