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svc_resume.go
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/
svc_resume.go
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// Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.
// SPDX-License-Identifier: Apache-2.0
package cli
import (
"fmt"
"github.com/aws/aws-sdk-go/aws"
"github.com/aws/aws-sdk-go/service/ssm"
"github.com/aws/copilot-cli/internal/pkg/aws/identity"
"github.com/aws/copilot-cli/internal/pkg/manifest/manifestinfo"
"github.com/aws/copilot-cli/internal/pkg/aws/apprunner"
"github.com/aws/copilot-cli/internal/pkg/aws/sessions"
"github.com/aws/copilot-cli/internal/pkg/config"
"github.com/aws/copilot-cli/internal/pkg/deploy"
"github.com/aws/copilot-cli/internal/pkg/describe"
"github.com/aws/copilot-cli/internal/pkg/term/color"
"github.com/aws/copilot-cli/internal/pkg/term/log"
termprogress "github.com/aws/copilot-cli/internal/pkg/term/progress"
"github.com/aws/copilot-cli/internal/pkg/term/prompt"
"github.com/aws/copilot-cli/internal/pkg/term/selector"
"github.com/spf13/cobra"
)
const (
svcResumeSvcNamePrompt = "Which service of %s would you like to resume?"
svcResumeSvcNameHelpPrompt = "The selected service will be resumed."
fmtSvcResumeStarted = "Resuming service %s in environment %s."
fmtSvcResumeFailed = "Failed to resume service %s in environment %s: %v\n"
fmtSvcResumeSuccess = "Resumed service %s in environment %s.\n"
)
type resumeSvcVars struct {
appName string
svcName string
envName string
}
type resumeSvcInitClients func() error
type resumeSvcOpts struct {
resumeSvcVars
store store
serviceResumer serviceResumer
apprunnerDescriber apprunnerServiceDescriber
spinner progress
sel deploySelector
initClients resumeSvcInitClients
}
// Validate returns an error for any invalid optional flags.
func (o *resumeSvcOpts) Validate() error {
return nil
}
// Ask prompts for and validates any required flags.
func (o *resumeSvcOpts) Ask() error {
if err := o.validateOrAskApp(); err != nil {
return err
}
return o.validateAndAskSvcEnvName()
}
// Execute resumes the service through the prompt.
func (o *resumeSvcOpts) Execute() error {
if o.svcName == "" {
return nil
}
if err := o.initClients(); err != nil {
return err
}
svcARN, err := o.apprunnerDescriber.ServiceARN(o.envName)
if err != nil {
return err
}
o.spinner.Start(fmt.Sprintf(fmtSvcResumeStarted, o.svcName, o.envName))
if err := o.serviceResumer.ResumeService(svcARN); err != nil {
o.spinner.Stop(log.Serrorf(fmtSvcResumeFailed, o.svcName, o.envName, err))
return err
}
o.spinner.Stop(log.Ssuccessf(fmtSvcResumeSuccess, o.svcName, o.envName))
return nil
}
func (o *resumeSvcOpts) validateOrAskApp() error {
if o.appName != "" {
_, err := o.store.GetApplication(o.appName)
return err
}
appName, err := o.sel.Application(svcAppNamePrompt, wkldAppNameHelpPrompt)
if err != nil {
return fmt.Errorf("select application: %w", err)
}
o.appName = appName
return nil
}
func (o *resumeSvcOpts) validateAndAskSvcEnvName() error {
if o.envName != "" {
if _, err := o.store.GetEnvironment(o.appName, o.envName); err != nil {
return err
}
}
if o.svcName != "" {
if _, err := o.store.GetService(o.appName, o.svcName); err != nil {
return err
}
}
// Note: we let prompter handle the case when there is only option for user to choose from.
// This is naturally the case when `o.envName != "" && o.svcName != ""`.
deployedService, err := o.sel.DeployedService(
fmt.Sprintf(svcResumeSvcNamePrompt, color.HighlightUserInput(o.appName)),
svcResumeSvcNameHelpPrompt,
o.appName,
selector.WithEnv(o.envName),
selector.WithName(o.svcName),
selector.WithServiceTypesFilter([]string{manifestinfo.RequestDrivenWebServiceType}),
)
if err != nil {
return fmt.Errorf("select deployed service for application %s: %w", o.appName, err)
}
o.svcName = deployedService.Name
o.envName = deployedService.Env
return nil
}
func newResumeSvcOpts(vars resumeSvcVars) (*resumeSvcOpts, error) {
sessProvider := sessions.ImmutableProvider(sessions.UserAgentExtras("svc resume"))
defaultSess, err := sessProvider.Default()
if err != nil {
return nil, fmt.Errorf("default session: %v", err)
}
configStore := config.NewSSMStore(identity.New(defaultSess), ssm.New(defaultSess), aws.StringValue(defaultSess.Config.Region))
deployStore, err := deploy.NewStore(sessProvider, configStore)
if err != nil {
return nil, fmt.Errorf("connect to deploy store: %w", err)
}
opts := &resumeSvcOpts{
resumeSvcVars: vars,
store: configStore,
sel: selector.NewDeploySelect(prompt.New(), configStore, deployStore),
spinner: termprogress.NewSpinner(log.DiagnosticWriter),
}
opts.initClients = func() error {
var a *apprunner.AppRunner
var d *describe.RDWebServiceDescriber
env, err := configStore.GetEnvironment(opts.appName, opts.envName)
if err != nil {
return fmt.Errorf("get environment: %w", err)
}
svc, err := opts.store.GetService(opts.appName, opts.svcName)
if err != nil {
return err
}
switch svc.Type {
case manifestinfo.RequestDrivenWebServiceType:
sess, err := sessProvider.FromRole(env.ManagerRoleARN, env.Region)
if err != nil {
return err
}
a = apprunner.New(sess)
d, err = describe.NewRDWebServiceDescriber(describe.NewServiceConfig{
App: opts.appName,
Svc: opts.svcName,
ConfigStore: configStore,
})
if err != nil {
return err
}
default:
return fmt.Errorf("invalid service type %s", svc.Type)
}
if err != nil {
return fmt.Errorf("creating describer for service %s in environment %s and application %s: %w", opts.svcName, opts.envName, opts.appName, err)
}
opts.serviceResumer = a
opts.apprunnerDescriber = d
return nil
}
return opts, nil
}
// buildSvcResumeCmd builds the command for resuming services in an application.
func buildSvcResumeCmd() *cobra.Command {
vars := resumeSvcVars{}
cmd := &cobra.Command{
Use: "resume",
Short: "Resumes a paused service.",
Long: "Resumes a paused service.",
Example: `
Resumes the service named "my-svc" in the "test" environment.
/code $ copilot svc resume --name my-svc --env test`,
RunE: runCmdE(func(cmd *cobra.Command, args []string) error {
opts, err := newResumeSvcOpts(vars)
if err != nil {
return err
}
return run(opts)
}),
}
cmd.Flags().StringVarP(&vars.appName, appFlag, appFlagShort, tryReadingAppName(), appFlagDescription)
cmd.Flags().StringVarP(&vars.svcName, nameFlag, nameFlagShort, "", svcFlagDescription)
cmd.Flags().StringVarP(&vars.envName, envFlag, envFlagShort, "", envFlagDescription)
return cmd
}