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infrakit: Adjust hyperkit instance plugin to new API

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The new API does not provide the option to pass in user data
anymore. Roll our own ISO instead.

Signed-off-by: Rolf Neugebauer <rolf.neugebauer@docker.com>
This commit is contained in:
Rolf Neugebauer 2017-04-10 15:56:38 +01:00
parent db244ee9fd
commit 70a27b667e
1 changed files with 20 additions and 10 deletions
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30
src/cmd/infrakit-instance-hyperkit/instance.go
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@ -9,11 +9,10 @@ import (
"path"
log "github.com/Sirupsen/logrus"
"github.com/docker/hyperkit/go"
"github.com/docker/infrakit/pkg/spi/instance"
"github.com/docker/infrakit/pkg/types"
"github.com/rneugeba/iso9660wrap"
)
// NewHyperKitPlugin creates an instance plugin for hyperkit.
@ -98,28 +97,39 @@ func (p hyperkitPlugin) Provision(spec instance.Spec) (*instance.ID, error) {
// so it persists across reboots.
if diskSize != 0 {
diskImage = path.Join(p.DiskDir, logicalID+".img")
// Make sure the directory exists
err = os.MkdirAll(p.DiskDir, 0755)
if err != nil {
return nil, err
}
}
}
isoImage := ""
if spec.Init != "" {
isoImage = path.Join(instanceDir, "data.iso")
outfh, err := os.OpenFile(isoImage, os.O_CREATE|os.O_WRONLY, 0644)
if err != nil {
log.Fatalf("Cannot create user data ISO: %s", err)
}
err = iso9660wrap.WriteBuffer(outfh, []byte(spec.Init), "config")
if err != nil {
log.Fatalf("Cannot write user data ISO: %s", err)
}
outfh.Close()
}
log.Infof("[%s] LogicalID: %s", id, logicalID)
log.Debugf("[%s] UUID: %s", id, uuidStr)
// Start a HyperKit instance
h, err := hyperkit.New(p.HyperKit, instanceDir, p.VPNKitSock, diskImage)
h, err := hyperkit.New(p.HyperKit, p.VPNKitSock, instanceDir)
if err != nil {
return nil, err
}
h.Kernel = properties["Moby"].(string) + "-bzImage"
h.Initrd = properties["Moby"].(string) + "-initrd.img"
h.UUID = uuidStr
h.DiskImage = diskImage
h.ISOImage = isoImage
h.CPUs = int(properties["CPUs"].(float64))
h.Memory = int(properties["Memory"].(float64))
h.DiskSize = diskSize
h.UUID = uuidStr
h.UserData = spec.Init
h.Console = hyperkit.ConsoleFile
log.Infof("[%s] Booting: %s/%s", id, h.Kernel, h.Initrd)
log.Infof("[%s] %d CPUs, %dMB Memory, %dMB Disk (%s)", id, h.CPUs, h.Memory, h.DiskSize, h.DiskImage)