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leftovers.go
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leftovers.go
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package nsxt
import (
"errors"
"fmt"
"github.com/fatih/color"
"github.com/genevieve/leftovers/app"
"github.com/genevieve/leftovers/common"
"github.com/genevieve/leftovers/nsxt/logicalrouting"
nsxt "github.com/vmware/go-vmware-nsxt"
)
type logger interface {
Printf(message string, a ...interface{})
Println(message string)
PromptWithDetails(resourceType, resourceName string) bool
NoConfirm()
}
type resource interface {
List(filter string) ([]common.Deletable, error)
Type() string
}
type Leftovers struct {
logger logger
asyncDeleter app.AsyncDeleter
resources []resource
}
// List will print all the resources that contain
// the provided filter in the resource's identifier.
func (l Leftovers) List(filter string) {
l.logger.NoConfirm()
var deletables []common.Deletable
for _, r := range l.resources {
list, err := r.List(filter)
if err != nil {
l.logger.Println(color.YellowString(err.Error()))
}
deletables = append(deletables, list...)
}
for _, d := range deletables {
l.logger.Println(fmt.Sprintf("[%s: %s]", d.Type(), d.Name()))
}
}
// Types will print all the resource types that can
// be deleted on this IaaS.
func (l Leftovers) Types() {
for _, r := range l.resources {
l.logger.Println(r.Type())
}
}
// Delete will collect all resources that contain
// the provided filter in the resource's identifier, prompt
// you to confirm deletion (if enabled), and delete those
// that are selected.
func (l Leftovers) Delete(filter string) error {
deletables := [][]common.Deletable{}
for _, r := range l.resources {
list, err := r.List(filter)
if err != nil {
l.logger.Println(color.YellowString(err.Error()))
}
deletables = append(deletables, list)
}
return l.asyncDeleter.Run(deletables)
}
// DeleteType will collect all resources of the provied type that contain
// the provided filter in the resource's identifier, prompt
// you to confirm deletion (if enabled), and delete those
// that are selected.
func (l Leftovers) DeleteType(filter, rType string) error {
deletables := [][]common.Deletable{}
for _, r := range l.resources {
if r.Type() == rType {
list, err := r.List(filter)
if err != nil {
l.logger.Println(color.YellowString(err.Error()))
}
deletables = append(deletables, list)
}
}
return l.asyncDeleter.Run(deletables)
}
func NewLeftovers(logger logger, managerHost, user, password string) (Leftovers, error) {
if managerHost == "" {
return Leftovers{}, errors.New("Missing NSX-T manager host.")
}
if user == "" {
return Leftovers{}, errors.New("Missing NSX-T username.")
}
if password == "" {
return Leftovers{}, errors.New("Missing NSX-T password.")
}
nsxtClient, err := nsxt.NewAPIClient(&nsxt.Configuration{
BasePath: fmt.Sprintf("https://%s/api/v1", managerHost),
UserName: user,
Password: password,
Host: managerHost,
Insecure: true,
RetriesConfiguration: nsxt.ClientRetriesConfiguration{
MaxRetries: 1,
RetryMinDelay: 100,
RetryMaxDelay: 500,
},
})
if err != nil {
return Leftovers{}, fmt.Errorf("Error creating NSX-T API client: %s", err)
}
return Leftovers{
logger: logger,
asyncDeleter: app.NewAsyncDeleter(logger),
resources: []resource{
logicalrouting.NewTier1Routers(nsxtClient.LogicalRoutingAndServicesApi, nsxtClient.Context, logger),
// TBD
},
}, nil
}