80 lines
2.1 KiB
Go
80 lines
2.1 KiB
Go
package docker
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import (
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"context"
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"fmt"
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"github.com/hashicorp/packer/packer"
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"github.com/hashicorp/packer/packer-plugin-sdk/multistep"
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)
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type StepRun struct {
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containerId string
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}
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func (s *StepRun) Run(ctx context.Context, state multistep.StateBag) multistep.StepAction {
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ui := state.Get("ui").(packer.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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runConfig := ContainerConfig{
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Image: config.Image,
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RunCommand: config.RunCommand,
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Device: config.Device,
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TmpFs: config.TmpFs,
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Volumes: make(map[string]string),
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CapAdd: config.CapAdd,
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CapDrop: config.CapDrop,
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Privileged: config.Privileged,
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}
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for host, container := range config.Volumes {
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runConfig.Volumes[host] = container
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}
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tempDir := state.Get("temp_dir").(string)
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runConfig.Volumes[tempDir] = config.ContainerDir
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driver := state.Get("driver").(Driver)
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ui.Say("Starting docker container...")
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containerId, err := driver.StartContainer(&runConfig)
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if err != nil {
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err := fmt.Errorf("Error running container: %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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// Save the container ID
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s.containerId = containerId
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state.Put("container_id", s.containerId)
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// instance_id is the generic term used so that users can have access to the
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// instance id inside of the provisioners, used in step_provision.
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state.Put("instance_id", s.containerId)
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ui.Message(fmt.Sprintf("Container ID: %s", s.containerId))
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return multistep.ActionContinue
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}
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func (s *StepRun) Cleanup(state multistep.StateBag) {
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if s.containerId == "" {
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return
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}
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driver := state.Get("driver").(Driver)
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ui := state.Get("ui").(packer.Ui)
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// Kill the container. We don't handle errors because errors usually
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// just mean that the container doesn't exist anymore, which isn't a
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// big deal.
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ui.Say(fmt.Sprintf("Killing the container: %s", s.containerId))
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driver.KillContainer(s.containerId)
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// Reset the container ID so that we're idempotent
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s.containerId = ""
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}
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