// internalStartInstance is the internal version of StartInstance, used by
// Bootstrap as well as via StartInstance itself.
// TODO(bug 1199847): Some of this work can be shared between providers.
func (e *environ) internalStartInstance(cons constraints.Value, possibleTools tools.List, machineConfig *cloudinit.MachineConfig) (instance.Instance, *instance.HardwareCharacteristics, error) {
series := possibleTools.Series()
if len(series) != 1 {
panic(fmt.Errorf("should have gotten tools for one series, got %v", series))
}
arches := possibleTools.Arches()
storage := ebsStorage
baseURLs, err := e.getImageBaseURLs()
if err != nil {
return nil, nil, err
}
spec, err := findInstanceSpec(baseURLs, &instances.InstanceConstraint{
Region: e.ecfg().region(),
Series: series[0],
Arches: arches,
Constraints: cons,
Storage: &storage,
})
if err != nil {
return nil, nil, err
}
tools, err := possibleTools.Match(tools.Filter{Arch: spec.Image.Arch})
if err != nil {
return nil, nil, fmt.Errorf("chosen architecture %v not present in %v", spec.Image.Arch, arches)
}
machineConfig.Tools = tools[0]
if err := environs.FinishMachineConfig(machineConfig, e.Config(), cons); err != nil {
return nil, nil, err
}
userData, err := environs.ComposeUserData(machineConfig)
if err != nil {
return nil, nil, fmt.Errorf("cannot make user data: %v", err)
}
log.Debugf("environs/ec2: ec2 user data; %d bytes", len(userData))
config := e.Config()
groups, err := e.setUpGroups(machineConfig.MachineId, config.StatePort(), config.APIPort())
if err != nil {
return nil, nil, fmt.Errorf("cannot set up groups: %v", err)
}
var instances *ec2.RunInstancesResp
for a := shortAttempt.Start(); a.Next(); {
instances, err = e.ec2().RunInstances(&ec2.RunInstances{
ImageId: spec.Image.Id,
MinCount: 1,
MaxCount: 1,
UserData: userData,
InstanceType: spec.InstanceType.Name,
SecurityGroups: groups,
})
if err == nil || ec2ErrCode(err) != "InvalidGroup.NotFound" {
break
}
}
if err != nil {
return nil, nil, fmt.Errorf("cannot run instances: %v", err)
}
if len(instances.Instances) != 1 {
return nil, nil, fmt.Errorf("expected 1 started instance, got %d", len(instances.Instances))
}
inst := &ec2Instance{
e: e,
Instance: &instances.Instances[0],
arch: &spec.Image.Arch,
instType: &spec.InstanceType,
}
log.Infof("environs/ec2: started instance %q", inst.Id())
return inst, inst.hardwareCharacteristics(), nil
}
// internalStartInstance is the internal version of StartInstance, used by
// Bootstrap as well as via StartInstance itself.
// Setting withPublicIP to true causes a floating IP to be assigned to the
// server after starting.
// machineConfig will be filled out with further details, but should contain
// MachineID, MachineNonce, StateInfo, and APIInfo.
// TODO(bug 1199847): Some of this work can be shared between providers.
func (e *environ) internalStartInstance(cons constraints.Value, possibleTools tools.List, machineConfig *cloudinit.MachineConfig, withPublicIP bool) (instance.Instance, *instance.HardwareCharacteristics, error) {
series := possibleTools.Series()
if len(series) != 1 {
panic(fmt.Errorf("should have gotten tools for one series, got %v", series))
}
arches := possibleTools.Arches()
spec, err := findInstanceSpec(e, &instances.InstanceConstraint{
Region: e.ecfg().region(),
Series: series[0],
Arches: arches,
Constraints: cons,
})
if err != nil {
return nil, nil, err
}
tools, err := possibleTools.Match(tools.Filter{Arch: spec.Image.Arch})
if err != nil {
return nil, nil, fmt.Errorf("chosen architecture %v not present in %v", spec.Image.Arch, arches)
}
machineConfig.Tools = tools[0]
if err := environs.FinishMachineConfig(machineConfig, e.Config(), cons); err != nil {
return nil, nil, err
}
userData, err := environs.ComposeUserData(machineConfig)
if err != nil {
return nil, nil, fmt.Errorf("cannot make user data: %v", err)
}
log.Debugf("environs/openstack: openstack user data; %d bytes", len(userData))
var publicIP *nova.FloatingIP
if withPublicIP {
if fip, err := e.allocatePublicIP(); err != nil {
return nil, nil, fmt.Errorf("cannot allocate a public IP as needed: %v", err)
} else {
publicIP = fip
log.Infof("environs/openstack: allocated public IP %s", publicIP.IP)
}
}
config := e.Config()
groups, err := e.setUpGroups(machineConfig.MachineId, config.StatePort(), config.APIPort())
if err != nil {
return nil, nil, fmt.Errorf("cannot set up groups: %v", err)
}
var groupNames = make([]nova.SecurityGroupName, len(groups))
for i, g := range groups {
groupNames[i] = nova.SecurityGroupName{g.Name}
}
var server *nova.Entity
for a := shortAttempt.Start(); a.Next(); {
server, err = e.nova().RunServer(nova.RunServerOpts{
Name: e.machineFullName(machineConfig.MachineId),
FlavorId: spec.InstanceType.Id,
ImageId: spec.Image.Id,
UserData: userData,
SecurityGroupNames: groupNames,
})
if err == nil || !gooseerrors.IsNotFound(err) {
break
}
}
if err != nil {
return nil, nil, fmt.Errorf("cannot run instance: %v", err)
}
detail, err := e.nova().GetServer(server.Id)
if err != nil {
return nil, nil, fmt.Errorf("cannot get started instance: %v", err)
}
inst := &openstackInstance{
e: e,
ServerDetail: detail,
arch: &spec.Image.Arch,
instType: &spec.InstanceType,
}
log.Infof("environs/openstack: started instance %q", inst.Id())
if withPublicIP {
if err := e.assignPublicIP(publicIP, string(inst.Id())); err != nil {
if err := e.terminateInstances([]instance.Id{inst.Id()}); err != nil {
// ignore the failure at this stage, just log it
log.Debugf("environs/openstack: failed to terminate instance %q: %v", inst.Id(), err)
}
return nil, nil, fmt.Errorf("cannot assign public address %s to instance %q: %v", publicIP.IP, inst.Id(), err)
}
log.Infof("environs/openstack: assigned public IP %s to %q", publicIP.IP, inst.Id())
}
return inst, inst.hardwareCharacteristics(), nil
}