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discover.go
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discover.go
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/*
Copyright 2021 The KubeVela 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 tasks
import (
"context"
"github.com/pkg/errors"
"sigs.k8s.io/controller-runtime/pkg/client"
"github.com/oam-dev/kubevela/apis/core.oam.dev/common"
"github.com/oam-dev/kubevela/apis/core.oam.dev/v1beta1"
"github.com/oam-dev/kubevela/pkg/cue/packages"
"github.com/oam-dev/kubevela/pkg/oam/discoverymapper"
wfContext "github.com/oam-dev/kubevela/pkg/workflow/context"
"github.com/oam-dev/kubevela/pkg/workflow/providers"
"github.com/oam-dev/kubevela/pkg/workflow/providers/convert"
"github.com/oam-dev/kubevela/pkg/workflow/providers/http"
"github.com/oam-dev/kubevela/pkg/workflow/providers/workspace"
"github.com/oam-dev/kubevela/pkg/workflow/tasks/custom"
"github.com/oam-dev/kubevela/pkg/workflow/tasks/template"
"github.com/oam-dev/kubevela/pkg/workflow/types"
)
type taskDiscover struct {
builtins map[string]types.TaskGenerator
remoteTaskDiscover *custom.TaskLoader
templateLoader *template.Loader
}
// GetTaskGenerator get task generator by name.
func (td *taskDiscover) GetTaskGenerator(ctx context.Context, name string) (types.TaskGenerator, error) {
tg, ok := td.builtins[name]
if ok {
return tg, nil
}
if td.remoteTaskDiscover != nil {
var err error
tg, err = td.remoteTaskDiscover.GetTaskGenerator(ctx, name)
if err != nil {
return nil, err
}
return tg, nil
}
return nil, errors.Errorf("can't find task generator: %s", name)
}
func suspend(step v1beta1.WorkflowStep, opt *types.GeneratorOptions) (types.TaskRunner, error) {
return &suspendTaskRunner{
id: opt.ID,
name: step.Name,
}, nil
}
// NewTaskDiscover will create a client for load task generator.
func NewTaskDiscover(providerHandlers providers.Providers, pd *packages.PackageDiscover, cli client.Client, dm discoverymapper.DiscoveryMapper) types.TaskDiscover {
// install builtin provider
workspace.Install(providerHandlers)
http.Install(providerHandlers)
convert.Install(providerHandlers)
templateLoader := template.NewTemplateLoader(cli, dm)
return &taskDiscover{
builtins: map[string]types.TaskGenerator{
"suspend": suspend,
},
remoteTaskDiscover: custom.NewTaskLoader(templateLoader.LoadTaskTemplate, pd, providerHandlers),
templateLoader: templateLoader,
}
}
type suspendTaskRunner struct {
id string
name string
}
// Name return suspend step name.
func (tr *suspendTaskRunner) Name() string {
return tr.name
}
// Run make workflow suspend.
func (tr *suspendTaskRunner) Run(ctx wfContext.Context, options *types.TaskRunOptions) (common.WorkflowStepStatus, *types.Operation, error) {
return common.WorkflowStepStatus{
ID: tr.id,
Name: tr.name,
Type: "suspend",
Phase: common.WorkflowStepPhaseSucceeded,
}, &types.Operation{Suspend: true}, nil
}
// Pending check task should be executed or not.
func (tr *suspendTaskRunner) Pending(ctx wfContext.Context) bool {
return false
}