/
packageinstall.go
106 lines (85 loc) · 2.25 KB
/
packageinstall.go
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package boxen
import (
"os"
"github.com/carlmontanari/boxen/boxen/command"
"github.com/carlmontanari/boxen/boxen/instance"
"github.com/carlmontanari/boxen/boxen/platforms"
"github.com/carlmontanari/boxen/boxen/util"
)
func (b *Boxen) getPackagedInstanceName() string {
var name string
for n := range b.Config.Instances {
// there will only ever be one instance in the "package" mode, so we'll just iterate, get
// that one instance's name and peace out; probably a smarter way...
name = n
break
}
return name
}
func (b *Boxen) shrinkDisk(name string) error {
err := os.Rename(b.Config.Instances[name].Disk, "fat.qcow2")
if err != nil {
return err
}
_, err = command.Execute(
"virt-sparsify",
command.WithArgs([]string{"fat.qcow2", "--compress", b.Config.Instances[name].Disk}),
command.WithWait(true),
)
if err != nil {
return err
}
err = os.Remove("fat.qcow2")
if err != nil {
return err
}
err = os.RemoveAll("./var/tmp/.guestfs-0")
if err != nil {
return err
}
return nil
}
// PackageInstall is the function that is run *in* the initially built container image. This
// function handles the initial provisioning of the instance.
func (b *Boxen) PackageInstall() error {
b.Logger.Debug("package install starting")
name := b.getPackagedInstanceName()
// for things *not* packaging we will want to merge the instance config w/ the profile and/or
// defaults, that is not necessary for packaging since we just load up the config all on the
// instance though!
q, err := platforms.NewPlatformFromConfig(
name,
b.Config,
&instance.Loggers{
Base: b.Logger,
Stdout: os.Stdout,
Stderr: os.Stdout,
Console: os.Stdout,
},
)
if err != nil {
return err
}
b.Instances[name] = q
configLines, err := b.RenderInitialConfig(name)
if err != nil {
return err
}
b.Logger.Debug("begin instance install")
err = b.Instances[name].Install(
platforms.WithInstallConfig(configLines),
instance.WithSudo(false),
)
if err != nil {
b.Logger.Criticalf("package installation failed: %s\n", err)
return err
}
if util.GetEnvIntOrDefault("BOXEN_SPARSIFY_DISK", 0) > 0 {
err = b.shrinkDisk(name)
if err != nil {
b.Logger.Criticalf("shrinking installation disk failed: %s\n", err)
return err
}
}
return nil
}