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interactive.go
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interactive.go
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package backend
import (
"fmt"
"sort"
"strconv"
"github.com/devfile/api/v2/pkg/apis/workspaces/v1alpha2"
"github.com/devfile/library/pkg/devfile/parser"
parsercommon "github.com/devfile/library/pkg/devfile/parser/data/v2/common"
"github.com/fatih/color"
"github.com/redhat-developer/odo/pkg/api"
"github.com/redhat-developer/odo/pkg/init/asker"
"github.com/redhat-developer/odo/pkg/log"
"github.com/redhat-developer/odo/pkg/registry"
"github.com/redhat-developer/odo/pkg/testingutil/filesystem"
)
const (
STATE_ASK_LANG = iota
STATE_ASK_TYPE
STATE_END
)
// InteractiveBackend is a backend that will ask information interactively using the `asker` package
type InteractiveBackend struct {
askerClient asker.Asker
registryClient registry.Client
}
var _ InitBackend = (*InteractiveBackend)(nil)
func NewInteractiveBackend(askerClient asker.Asker, registryClient registry.Client) *InteractiveBackend {
return &InteractiveBackend{
askerClient: askerClient,
registryClient: registryClient,
}
}
func (o *InteractiveBackend) Validate(flags map[string]string, fs filesystem.Filesystem, dir string) error {
return nil
}
func (o *InteractiveBackend) SelectDevfile(flags map[string]string, _ filesystem.Filesystem, _ string) (*api.DevfileLocation, error) {
result := &api.DevfileLocation{}
devfileEntries, _ := o.registryClient.ListDevfileStacks("", "", "", false)
langs := devfileEntries.GetLanguages()
state := STATE_ASK_LANG
var lang string
var err error
var details api.DevfileStack
loop:
for {
switch state {
case STATE_ASK_LANG:
lang, err = o.askerClient.AskLanguage(langs)
if err != nil {
return nil, err
}
state = STATE_ASK_TYPE
case STATE_ASK_TYPE:
types := devfileEntries.GetProjectTypes(lang)
var back bool
back, details, err = o.askerClient.AskType(types)
if err != nil {
return nil, err
}
if back {
state = STATE_ASK_LANG
continue loop
}
result.DevfileRegistry = details.Registry.Name
result.Devfile = details.Name
state = STATE_END
case STATE_END:
break loop
}
}
return result, nil
}
func (o *InteractiveBackend) SelectStarterProject(devfile parser.DevfileObj, flags map[string]string) (*v1alpha2.StarterProject, error) {
starterProjects, err := devfile.Data.GetStarterProjects(parsercommon.DevfileOptions{})
if err != nil {
return nil, err
}
names := make([]string, 0, len(starterProjects))
for _, starterProject := range starterProjects {
names = append(names, starterProject.Name)
}
ok, starter, err := o.askerClient.AskStarterProject(names)
if err != nil {
return nil, err
}
if !ok {
return nil, nil
}
return &starterProjects[starter], nil
}
func (o *InteractiveBackend) PersonalizeName(devfile parser.DevfileObj, flags map[string]string) (string, error) {
return o.askerClient.AskName(fmt.Sprintf("my-%s-app", devfile.GetMetadataName()))
}
func (o *InteractiveBackend) PersonalizeDevfileConfig(devfileobj parser.DevfileObj) (parser.DevfileObj, error) {
config, err := getPortsAndEnvVar(devfileobj)
var zeroDevfile parser.DevfileObj
if err != nil {
return zeroDevfile, err
}
var selectContainerAnswer string
containerOptions := config.GetContainers()
containerOptions = append(containerOptions, "NONE - configuration is correct")
for selectContainerAnswer != "NONE - configuration is correct" {
PrintConfiguration(config)
selectContainerAnswer, err = o.askerClient.AskContainerName(containerOptions)
if err != nil {
return zeroDevfile, err
}
selectedContainer := config[selectContainerAnswer]
if selectContainerAnswer == "NONE - configuration is correct" {
break
}
var configOps asker.OperationOnContainer
for configOps.Ops != "Nothing" {
configOps, err = o.askerClient.AskPersonalizeConfiguration(selectedContainer)
if err != nil {
return zeroDevfile, err
}
switch configOps.Ops {
case "Add":
switch configOps.Kind {
case "Port":
var newPort string
newPort, err = o.askerClient.AskAddPort()
if err != nil {
return zeroDevfile, err
}
err = devfileobj.Data.SetPorts(map[string][]string{selectContainerAnswer: {newPort}})
if err != nil {
return zeroDevfile, err
}
selectedContainer.Ports = append(selectedContainer.Ports, newPort)
case "EnvVar":
var newEnvNameAnswer, newEnvValueAnswer string
newEnvNameAnswer, newEnvValueAnswer, err = o.askerClient.AskAddEnvVar()
if err != nil {
return zeroDevfile, err
}
err = devfileobj.Data.AddEnvVars(map[string][]v1alpha2.EnvVar{selectContainerAnswer: {{
Name: newEnvNameAnswer,
Value: newEnvValueAnswer,
}}})
if err != nil {
return zeroDevfile, err
}
selectedContainer.Envs[newEnvNameAnswer] = newEnvValueAnswer
}
case "Delete":
switch configOps.Kind {
case "Port":
portToDelete := configOps.Key
indexToDelete := -1
for i, port := range selectedContainer.Ports {
if port == portToDelete {
indexToDelete = i
}
}
if indexToDelete == -1 {
log.Warningf(fmt.Sprintf("unable to delete port %q, not found", portToDelete))
}
err = devfileobj.Data.RemovePorts(map[string][]string{selectContainerAnswer: {portToDelete}})
if err != nil {
return zeroDevfile, err
}
selectedContainer.Ports = append(selectedContainer.Ports[:indexToDelete], selectedContainer.Ports[indexToDelete+1:]...)
case "EnvVar":
envToDelete := configOps.Key
if _, ok := selectedContainer.Envs[envToDelete]; !ok {
log.Warningf(fmt.Sprintf("unable to delete env %q, not found", envToDelete))
}
err = devfileobj.Data.RemoveEnvVars(map[string][]string{selectContainerAnswer: {envToDelete}})
if err != nil {
return zeroDevfile, err
}
delete(selectedContainer.Envs, envToDelete)
}
case "Nothing":
default:
return zeroDevfile, fmt.Errorf("unknown configuration selected %q", fmt.Sprintf("%v %v %v", configOps.Ops, configOps.Kind, configOps.Key))
}
// Update the current configuration
config[selectContainerAnswer] = selectedContainer
}
}
return devfileobj, nil
}
func PrintConfiguration(config asker.DevfileConfiguration) {
color.New(color.Bold, color.FgGreen).Println("Current component configuration:")
var keys []string
for key := range config {
keys = append(keys, key)
}
sort.Strings(keys)
for _, key := range keys {
container := config[key]
color.Green("Container %q:", key)
color.Green(" Opened ports:")
for _, port := range container.Ports {
color.New(color.Bold, color.FgWhite).Printf(" - %s\n", port)
}
color.Green(" Environment variables:")
for key, value := range container.Envs {
color.New(color.Bold, color.FgWhite).Printf(" - %s = %s\n", key, value)
}
}
}
func getPortsAndEnvVar(obj parser.DevfileObj) (asker.DevfileConfiguration, error) {
var config = asker.DevfileConfiguration{}
components, err := obj.Data.GetComponents(parsercommon.DevfileOptions{ComponentOptions: parsercommon.ComponentOptions{ComponentType: v1alpha2.ContainerComponentType}})
if err != nil {
return config, err
}
for _, component := range components {
var ports = []string{}
var envMap = map[string]string{}
for _, ep := range component.Container.Endpoints {
ports = append(ports, strconv.Itoa(ep.TargetPort))
}
for _, env := range component.Container.Env {
envMap[env.Name] = env.Value
}
config[component.Name] = asker.ContainerConfiguration{
Ports: ports,
Envs: envMap,
}
}
return config, nil
}