113 lines
2.7 KiB
Go
113 lines
2.7 KiB
Go
package docker
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import (
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"context"
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"log"
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"github.com/hashicorp/packer/common"
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"github.com/hashicorp/packer/helper/communicator"
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"github.com/hashicorp/packer/helper/multistep"
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"github.com/hashicorp/packer/packer"
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)
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const (
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BuilderId = "packer.docker"
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BuilderIdImport = "packer.post-processor.docker-import"
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)
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type Builder struct {
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config *Config
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runner multistep.Runner
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}
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func (b *Builder) Prepare(raws ...interface{}) ([]string, error) {
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c, warnings, errs := NewConfig(raws...)
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if errs != nil {
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return warnings, errs
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}
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b.config = c
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return warnings, nil
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}
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func (b *Builder) Run(ctx context.Context, ui packer.Ui, hook packer.Hook) (packer.Artifact, error) {
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driver := &DockerDriver{Ctx: &b.config.ctx, Ui: ui}
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if err := driver.Verify(); err != nil {
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return nil, err
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}
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version, err := driver.Version()
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if err != nil {
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return nil, err
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}
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log.Printf("[DEBUG] Docker version: %s", version.String())
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steps := []multistep.Step{
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&StepTempDir{},
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&StepPull{},
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&StepRun{},
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&communicator.StepConnect{
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Config: &b.config.Comm,
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Host: commHost(b.config.Comm.SSHHost),
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SSHConfig: b.config.Comm.SSHConfigFunc(),
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CustomConnect: map[string]multistep.Step{
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"docker": &StepConnectDocker{},
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"dockerWindowsContainer": &StepConnectDocker{},
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},
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},
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&common.StepProvision{},
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&common.StepCleanupTempKeys{
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Comm: &b.config.Comm,
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},
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}
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if b.config.Discard {
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log.Print("[DEBUG] Container will be discarded")
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} else if b.config.Commit {
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log.Print("[DEBUG] Container will be committed")
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steps = append(steps, new(StepCommit))
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} else if b.config.ExportPath != "" {
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log.Printf("[DEBUG] Container will be exported to %s", b.config.ExportPath)
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steps = append(steps, new(StepExport))
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} else {
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return nil, errArtifactNotUsed
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}
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// Setup the state bag and initial state for the steps
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state := new(multistep.BasicStateBag)
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state.Put("config", b.config)
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state.Put("hook", hook)
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state.Put("ui", ui)
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// Setup the driver that will talk to Docker
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state.Put("driver", driver)
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// Run!
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b.runner = common.NewRunner(steps, b.config.PackerConfig, ui)
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b.runner.Run(ctx, state)
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// If there was an error, return that
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if rawErr, ok := state.GetOk("error"); ok {
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return nil, rawErr.(error)
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}
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// If it was cancelled, then just return
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if _, ok := state.GetOk(multistep.StateCancelled); ok {
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return nil, nil
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}
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// No errors, must've worked
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var artifact packer.Artifact
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if b.config.Commit {
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artifact = &ImportArtifact{
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IdValue: state.Get("image_id").(string),
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BuilderIdValue: BuilderIdImport,
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Driver: driver,
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}
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} else {
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artifact = &ExportArtifact{path: b.config.ExportPath}
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}
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return artifact, nil
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}
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