github.com/oam-dev/kubevela@v1.9.11/pkg/workflow/providers/terraform/terraform.go (about)

     1  /*
     2  Copyright 2021 The KubeVela Authors.
     3  
     4  Licensed under the Apache License, Version 2.0 (the "License");
     5  you may not use this file except in compliance with the License.
     6  You may obtain a copy of the License at
     7  
     8  	http://www.apache.org/licenses/LICENSE-2.0
     9  
    10  Unless required by applicable law or agreed to in writing, software
    11  distributed under the License is distributed on an "AS IS" BASIS,
    12  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    13  See the License for the specific language governing permissions and
    14  limitations under the License.
    15  */
    16  
    17  package terraform
    18  
    19  import (
    20  	"github.com/pkg/errors"
    21  
    22  	monitorContext "github.com/kubevela/pkg/monitor/context"
    23  	wfContext "github.com/kubevela/workflow/pkg/context"
    24  	"github.com/kubevela/workflow/pkg/cue/model/value"
    25  	wfTypes "github.com/kubevela/workflow/pkg/types"
    26  
    27  	"github.com/oam-dev/kubevela/apis/core.oam.dev/common"
    28  	"github.com/oam-dev/kubevela/apis/core.oam.dev/v1beta1"
    29  	"github.com/oam-dev/kubevela/apis/types"
    30  	oamProvider "github.com/oam-dev/kubevela/pkg/workflow/providers/oam"
    31  )
    32  
    33  const (
    34  	// ProviderName is provider name for install.
    35  	ProviderName = "terraform"
    36  )
    37  
    38  type provider struct {
    39  	app      *v1beta1.Application
    40  	renderer oamProvider.WorkloadRenderer
    41  }
    42  
    43  func (p *provider) LoadTerraformComponents(ctx monitorContext.Context, _ wfContext.Context, v *value.Value, _ wfTypes.Action) error {
    44  	var components []common.ApplicationComponent
    45  	for _, comp := range p.app.Spec.Components {
    46  		wl, err := p.renderer(ctx, comp)
    47  		if err != nil {
    48  			return errors.Wrapf(err, "failed to render component into workload")
    49  		}
    50  		if wl.CapabilityCategory != types.TerraformCategory {
    51  			continue
    52  		}
    53  		components = append(components, comp)
    54  	}
    55  	return v.FillObject(components, "outputs", "components")
    56  }
    57  
    58  func (p *provider) GetConnectionStatus(_ monitorContext.Context, _ wfContext.Context, v *value.Value, _ wfTypes.Action) error {
    59  	componentName, err := v.GetString("inputs", "componentName")
    60  	if err != nil {
    61  		return errors.Wrapf(err, "failed to get component name")
    62  	}
    63  	for _, svc := range p.app.Status.Services {
    64  		if svc.Name == componentName {
    65  			return v.FillObject(svc.Healthy, "outputs", "healthy")
    66  		}
    67  	}
    68  	return v.FillObject(false, "outputs", "healthy")
    69  }
    70  
    71  // Install register handlers to provider discover.
    72  func Install(p wfTypes.Providers, app *v1beta1.Application, renderer oamProvider.WorkloadRenderer) {
    73  	prd := &provider{app: app, renderer: renderer}
    74  	p.Register(ProviderName, map[string]wfTypes.Handler{
    75  		"load-terraform-components": prd.LoadTerraformComponents,
    76  		"get-connection-status":     prd.GetConnectionStatus,
    77  	})
    78  }