func (s *StepRunSourceServer) Cleanup(state multistep.StateBag) {
if s.server == nil {
return
}
config := state.Get("config").(Config)
ui := state.Get("ui").(packer.Ui)
// We need the v2 compute client
computeClient, err := config.computeV2Client()
if err != nil {
ui.Error(fmt.Sprintf("Error terminating server, may still be around: %s", err))
return
}
ui.Say(fmt.Sprintf("Terminating the source server: %s ...", s.server.ID))
if err := servers.Delete(computeClient, s.server.ID).ExtractErr(); err != nil {
ui.Error(fmt.Sprintf("Error terminating server, may still be around: %s", err))
return
}
stateChange := StateChangeConf{
Pending: []string{"ACTIVE", "BUILD", "REBUILD", "SUSPENDED", "SHUTOFF", "STOPPED"},
Refresh: ServerStateRefreshFunc(computeClient, s.server),
Target: []string{"DELETED"},
}
WaitForState(&stateChange)
}
// DeleteServer deletes an instance via its UUID.
// A fatal error will occur if the instance failed to be destroyed. This works
// best when using it as a deferred function.
func DeleteServer(t *testing.T, client *gophercloud.ServiceClient, server *servers.Server) {
err := servers.Delete(client, server.ID).ExtractErr()
if err != nil {
t.Fatalf("Unable to delete server %s: %s", server.ID, err)
}
t.Logf("Deleted server: %s", server.ID)
}
func TestDeleteServer(t *testing.T) {
th.SetupHTTP()
defer th.TeardownHTTP()
HandleServerDeletionSuccessfully(t)
res := servers.Delete(client.ServiceClient(), "asdfasdfasdf")
th.AssertNoErr(t, res.Err)
}
// destroyServer achieves the aims of DestroyServer()
func (p *openstackp) destroyServer(serverID string) (err error) {
err = servers.Delete(p.computeClient, serverID).ExtractErr()
if err != nil {
return
}
// wait for it to really be deleted, or we won't be able to
// delete the router and network later; the following returns
// an error of "Resource not found" as soon as the server
// is not there anymore; we don't care about any others
servers.WaitForStatus(p.computeClient, serverID, "xxxx", 60)
return
}
func resourceComputeInstanceV2Delete(d *schema.ResourceData, meta interface{}) error {
config := meta.(*Config)
computeClient, err := config.computeV2Client(GetRegion(d))
if err != nil {
return fmt.Errorf("Error creating OpenStack compute client: %s", err)
}
// Make sure all volumes are detached before deleting
volumes := d.Get("volume")
if volumeSet, ok := volumes.(*schema.Set); ok {
volumeList := volumeSet.List()
if len(volumeList) > 0 {
log.Printf("[DEBUG] Attempting to detach the following volumes: %#v", volumeList)
if blockClient, err := config.blockStorageV1Client(GetRegion(d)); err != nil {
return err
} else {
if err := detachVolumesFromInstance(computeClient, blockClient, d.Id(), volumeList); err != nil {
return err
}
}
}
}
if d.Get("stop_before_destroy").(bool) {
err = startstop.Stop(computeClient, d.Id()).ExtractErr()
if err != nil {
log.Printf("[WARN] Error stopping OpenStack instance: %s", err)
} else {
stopStateConf := &resource.StateChangeConf{
Pending: []string{"ACTIVE"},
Target: []string{"SHUTOFF"},
Refresh: ServerV2StateRefreshFunc(computeClient, d.Id()),
Timeout: 3 * time.Minute,
Delay: 10 * time.Second,
MinTimeout: 3 * time.Second,
}
log.Printf("[DEBUG] Waiting for instance (%s) to stop", d.Id())
_, err = stopStateConf.WaitForState()
if err != nil {
log.Printf("[WARN] Error waiting for instance (%s) to stop: %s, proceeding to delete", d.Id(), err)
}
}
}
err = servers.Delete(computeClient, d.Id()).ExtractErr()
if err != nil {
return fmt.Errorf("Error deleting OpenStack server: %s", err)
}
// Wait for the instance to delete before moving on.
log.Printf("[DEBUG] Waiting for instance (%s) to delete", d.Id())
stateConf := &resource.StateChangeConf{
Pending: []string{"ACTIVE", "SHUTOFF"},
Target: []string{"DELETED"},
Refresh: ServerV2StateRefreshFunc(computeClient, d.Id()),
Timeout: 30 * time.Minute,
Delay: 10 * time.Second,
MinTimeout: 3 * time.Second,
}
_, err = stateConf.WaitForState()
if err != nil {
return fmt.Errorf(
"Error waiting for instance (%s) to delete: %s",
d.Id(), err)
}
d.SetId("")
return nil
}
// spawn achieves the aims of Spawn()
func (p *openstackp) spawn(resources *Resources, osPrefix string, flavorID string, externalIP bool, postCreationScript []byte) (serverID string, serverIP string, adminPass string, err error) {
// get available images, pick the one that matches desired OS
// *** rackspace API lets you filter on eg. os_distro=ubuntu and os_version=12.04; can we do the same here?
pager := images.ListDetail(p.computeClient, images.ListOpts{Status: "ACTIVE"})
var imageID string
err = pager.EachPage(func(page pagination.Page) (bool, error) {
imageList, err := images.ExtractImages(page)
if err != nil {
return false, err
}
for _, i := range imageList {
if i.Progress == 100 && strings.HasPrefix(i.Name, osPrefix) {
imageID = i.ID
return false, nil
}
}
return true, nil
})
if err != nil {
return
}
// create the server with a unique name
server, err := servers.Create(p.computeClient, keypairs.CreateOptsExt{
CreateOptsBuilder: servers.CreateOpts{
Name: uniqueResourceName(resources.ResourceName),
FlavorRef: flavorID,
ImageRef: imageID,
SecurityGroups: []string{p.securityGroup},
Networks: []servers.Network{{UUID: p.networkUUID}},
UserData: postCreationScript,
// Metadata map[string]string
},
KeyName: resources.ResourceName,
}).Extract()
if err != nil {
return
}
// wait for it to come up; servers.WaitForStatus has a timeout, but it
// doesn't always work, so we roll our own
waitForActive := make(chan error)
go func() {
timeout := time.After(60 * time.Second)
ticker := time.NewTicker(1 * time.Second)
for {
select {
case <-ticker.C:
current, err := servers.Get(p.computeClient, server.ID).Extract()
if err != nil {
ticker.Stop()
waitForActive <- err
return
}
if current.Status == "ACTIVE" {
ticker.Stop()
waitForActive <- nil
return
}
if current.Status == "ERROR" {
ticker.Stop()
waitForActive <- errors.New("there was an error in bringing up the new server")
return
}
continue
case <-timeout:
ticker.Stop()
waitForActive <- errors.New("timed out waiting for server to become ACTIVE")
return
}
}
}()
err = <-waitForActive
if err != nil {
// since we're going to return an error that we failed to spawn, try and
// delete the bad server in case it is still there
servers.Delete(p.computeClient, server.ID)
return
}
// *** NB. it can still take some number of seconds before I can ssh to it
serverID = server.ID
adminPass = server.AdminPass
// get the servers IP; if we error for any reason we'll delete the server
// first, because without an IP it's useless
if externalIP {
// give it a floating ip
var floatingIP string
floatingIP, err = p.getAvailableFloatingIP()
if err != nil {
p.destroyServer(serverID)
return
}
// associate floating ip with server *** we have a race condition
// between finding/creating free floating IP above, and using it here
err = floatingips.AssociateInstance(p.computeClient, serverID, floatingips.AssociateOpts{
FloatingIP: floatingIP,
}).ExtractErr()
if err != nil {
p.destroyServer(serverID)
return
}
serverIP = floatingIP
} else {
// find its auto-assigned internal ip *** there must be a better way of
// doing this...
allNetworkAddressPages, serr := servers.ListAddressesByNetwork(p.computeClient, serverID, p.networkName).AllPages()
if serr != nil {
p.destroyServer(serverID)
err = serr
return
}
allNetworkAddresses, serr := servers.ExtractNetworkAddresses(allNetworkAddressPages)
if serr != nil {
p.destroyServer(serverID)
err = serr
return
}
for _, address := range allNetworkAddresses {
if address.Version == 4 && strings.HasPrefix(address.Address, "192.168") {
serverIP = address.Address
break
}
}
}
return
}
