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workflow_reverse.go
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/
workflow_reverse.go
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package workflow
import (
"context"
"fmt"
"github.com/Azure/Orkestra/api/v1alpha1"
"github.com/Azure/Orkestra/pkg/graph"
"github.com/Azure/Orkestra/pkg/meta"
"github.com/Azure/Orkestra/pkg/templates"
v1alpha13 "github.com/argoproj/argo-workflows/v3/pkg/apis/workflow/v1alpha1"
"k8s.io/apimachinery/pkg/api/errors"
"sigs.k8s.io/controller-runtime/pkg/client"
"github.com/go-logr/logr"
"sigs.k8s.io/controller-runtime/pkg/controller/controllerutil"
)
func (wc *ReverseWorkflowClient) GetLogger() logr.Logger {
return wc.Logger
}
func (wc *ReverseWorkflowClient) GetClient() client.Client {
return wc.Client
}
func (wc *ReverseWorkflowClient) GetType() v1alpha1.WorkflowType {
return v1alpha1.Rollback
}
func (wc *ReverseWorkflowClient) GetAppGroup() *v1alpha1.ApplicationGroup {
return wc.appGroup
}
func (wc *ReverseWorkflowClient) GetWorkflow() *v1alpha13.Workflow {
return wc.workflow
}
func (wc *ReverseWorkflowClient) GetOptions() ClientOptions {
return wc.ClientOptions
}
func (wc *ReverseWorkflowClient) GetName() string {
return fmt.Sprintf("%s-reverse", wc.appGroup.Name)
}
func (wc *ReverseWorkflowClient) GetNamespace() string {
return wc.Namespace
}
func (wc *ReverseWorkflowClient) Generate(ctx context.Context) error {
forwardClient := NewClientFromClient(wc, v1alpha1.Forward)
rollbackClient := NewClientFromClient(wc, v1alpha1.Rollback)
if err := Suspend(ctx, forwardClient); err != nil {
return fmt.Errorf("failed to suspend forward workflow: %w", err)
}
if err := Suspend(ctx, rollbackClient); err != nil {
return fmt.Errorf("failed to suspend rollback workflow: %w", err)
}
wc.workflow = templates.GenerateWorkflow(wc.GetName(), wc.Namespace, wc.Parallelism)
graph := graph.NewReverseGraph(wc.GetAppGroup())
templateGenerator := templates.NewTemplateGenerator(wc.Namespace, wc.Parallelism)
if err := templateGenerator.GenerateTemplates(graph); err != nil {
return fmt.Errorf("failed to generate templates: %w", err)
}
templateGenerator.AssignWorkflowTemplates(wc.workflow)
return nil
}
func (wc *ReverseWorkflowClient) Submit(ctx context.Context) error {
forwardClient := NewClientFromClient(wc, v1alpha1.Forward)
forwardWorkflow, err := GetWorkflow(ctx, forwardClient)
if errors.IsNotFound(err) {
return meta.ErrForwardWorkflowNotFound
} else if err != nil {
return err
}
wc.workflow.Labels[v1alpha1.WorkflowTypeLabel] = string(v1alpha1.Reverse)
if err := controllerutil.SetControllerReference(forwardWorkflow, wc.workflow, wc.Scheme()); err != nil {
return fmt.Errorf("unable to set forward workflow as owner of Argo reverse Workflow: %w", err)
}
if err := Submit(ctx, wc); err != nil {
return err
}
return nil
}