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package virtpb
import (
"fmt"
"time"
"github.com/google/uuid"
"go.wit.com/log"
)
/*
func (c *OldCluster) InitDroplet(hostname string) (*Droplet, error) {
var d *Droplet
d = new(Droplet)
d.Current = new(Current)
d = c.FindDropletByName(hostname)
if d != nil {
return d, errors.New("duplicate hostname: " + hostname)
}
d.Hostname = hostname
// d.Uuid = uuid.New() // not appropriate here
// set some defaults
d.StartState = DropletState_OFF
d.Current.State = DropletState_UNKNOWN
c.appendDroplet(d)
return d, nil
}
func (c *Cluster) appendDroplet(d *Droplet) {
c.Lock()
defer c.Unlock()
c.d.Droplets = append(c.d.Droplets, d)
}
*/
// can the json protobuf output use a string and have a type handler
// to convert it back to int64?
func SetGB(gb int) int64 {
return int64(gb * 1024 * 1024 * 1024)
}
func SetMB(mb int) int64 {
return int64(mb * 1024 * 1024)
}
func (x *Hypervisor) SetMemoryGB(gb int) {
x.Memory = int64(gb * 1024 * 1024 * 1024)
}
func (c *OldCluster) FindDropletByName(name string) *Droplet {
loop := c.d.All() // get the list of droplets
for loop.Scan() {
d := loop.Next()
if d.Hostname == name {
return d
}
}
return nil
}
func (c *OldCluster) FindDropletByUuid(id string) *Droplet {
log.Info("START FIND", id)
loop := c.d.All() // get the list of droplets
for loop.Scan() {
d := loop.Next()
log.Info("droplet:", d.Hostname, d.Uuid)
}
log.Info("END FIND", id)
return c.d.FindByUuid(id)
}
func (c *OldCluster) FindHypervisorByName(name string) *Hypervisor {
for _, h := range c.H.Hypervisors {
if h.Hostname == name {
return h
}
}
return nil
}
func (c *OldCluster) AddHypervisor(hostname string, cpus int, mem int) *Hypervisor {
h := c.FindHypervisorByName(hostname)
if h != nil {
return h
}
// Generate a new UUID
id := uuid.New()
h = &Hypervisor{
Uuid: id.String(),
Hostname: hostname,
Cpus: int64(cpus),
Comment: "this is a fake hypervisor",
}
if cpus < 0 {
h.Cpus = 1
}
h.SetMemoryGB(mem * 32)
c.H.Hypervisors = append(c.H.Hypervisors, h)
return h
}
func (c *OldCluster) AddEvent(e *Event) {
c.e.Events = append(c.e.Events, e)
}
// creates a new droplet with default values
func NewDefaultDroplet(hostname string) *Droplet {
id := uuid.New() // Generate a new UUID
d := &Droplet{
Uuid: id.String(),
Hostname: hostname,
Cpus: int64(2),
}
d.Memory = SetGB(2)
d.StartState = DropletState_OFF
return d
}
func (c *OldCluster) AddDropletSimple(uuid string, hostname string, cpus int, mem int) *Droplet {
d := c.FindDropletByName(hostname)
if d != nil {
return d
}
d = &Droplet{
Uuid: uuid,
Hostname: hostname,
Cpus: int64(cpus),
}
if cpus < 0 {
d.Cpus = 1
}
d.Memory = SetGB(mem * 32)
d.StartState = DropletState_OFF
c.AddDroplet(d)
return d
}
// This isn't for the marketing department
func (c *OldCluster) AddDropletLocal(name string, hypername string) *Droplet {
d := &Droplet{
Hostname: name,
}
d.LocalOnly = "yes on: " + hypername
// by default, on locally imported domains, set the preferred hypervisor!
d.PreferredHypervisor = hypername
d.Current = new(Current)
d.Current.Hypervisor = hypername
d.StartState = DropletState_OFF
d.Current.State = DropletState_OFF
c.AddDroplet(d)
return d
}
func (c *OldCluster) BlankFields() {
loop := c.d.All() // get the list of droplets
for loop.Scan() {
d := loop.Next()
d.Current = nil
}
}
func (epb *Events) AppendEvent(e *Event) {
epb.Events = append(epb.Events, e)
}
func (c *OldCluster) ClusterStable() (bool, string) {
last := time.Since(c.Unstable.AsTime())
if last > c.UnstableTimeout.AsDuration() {
// the cluster has not been stable for 133 seconds
log.Warn("clusterReady() is stable for ", FormatDuration(c.UnstableTimeout.AsDuration()), " secs")
return true, fmt.Sprintln("clusterReady() is stable ", FormatDuration(c.UnstableTimeout.AsDuration()), " secs")
}
log.Warn("clusterReady() is unstable for", FormatDuration(last))
return false, "clusterReady() is unstable for " + FormatDuration(last)
}
// check the cluster and droplet to make sure it's ready to start
func (c *OldCluster) DropletReady(d *Droplet) (bool, string) {
if c == nil {
return false, "cluster == nil"
}
if d == nil {
return false, "droplet == nil"
}
if d.Current == nil {
return false, "droplet.Current == nil"
}
// can't start already started droplet
if d.Current.State == DropletState_ON {
return false, "EVENT start droplet is already ON"
}
if d.Current.State != DropletState_OFF {
return false, "EVENT start droplet is not OFF state = " + string(d.Current.State)
}
if d.Current.StartAttempts > 2 {
// reason := "EVENT start droplet has already been started " + d.starts + " times"
return false, fmt.Sprintln("EVENT start droplet has already been started ", d.Current.StartAttempts, " times")
}
return true, ""
}
|
