80 lines
1.9 KiB
Go
80 lines
1.9 KiB
Go
package docker
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import (
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"context"
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"fmt"
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"log"
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"github.com/hashicorp/packer-plugin-sdk/multistep"
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packersdk "github.com/hashicorp/packer-plugin-sdk/packer"
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)
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type StepPull struct{}
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func (s *StepPull) Run(ctx context.Context, state multistep.StateBag) multistep.StepAction {
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ui := state.Get("ui").(packersdk.Ui)
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config, ok := state.Get("config").(*Config)
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if !ok {
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err := fmt.Errorf("error encountered obtaining docker config")
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state.Put("error", err)
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ui.Error(err.Error())
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return multistep.ActionHalt
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}
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if !config.Pull {
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log.Println("Pull disabled, won't docker pull")
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return multistep.ActionContinue
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}
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ui.Say(fmt.Sprintf("Pulling Docker image: %s", config.Image))
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if config.EcrLogin {
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ui.Message("Fetching ECR credentials...")
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username, password, err := config.EcrGetLogin(config.LoginServer)
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if err != nil {
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err := fmt.Errorf("Error fetching ECR credentials: %s", err)
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state.Put("error", err)
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ui.Error(err.Error())
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return multistep.ActionHalt
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}
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config.LoginUsername = username
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config.LoginPassword = password
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}
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driver := state.Get("driver").(Driver)
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if config.Login || config.EcrLogin {
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ui.Message("Logging in...")
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err := driver.Login(
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config.LoginServer,
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config.LoginUsername,
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config.LoginPassword)
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if err != nil {
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err := fmt.Errorf("Error logging in: %s", err)
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state.Put("error", err)
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ui.Error(err.Error())
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return multistep.ActionHalt
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}
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defer func() {
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ui.Message("Logging out...")
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if err := driver.Logout(config.LoginServer); err != nil {
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ui.Error(fmt.Sprintf("Error logging out: %s", err))
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}
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}()
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}
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if err := driver.Pull(config.Image); err != nil {
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err := fmt.Errorf("Error pulling Docker image: %s", err)
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state.Put("error", err)
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ui.Error(err.Error())
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return multistep.ActionHalt
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}
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return multistep.ActionContinue
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}
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func (s *StepPull) Cleanup(state multistep.StateBag) {
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}
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