func (c *Client) addOneMachine(p params.AddMachineParams) (*state.Machine, error) {
if p.ParentId != "" && p.ContainerType == "" {
return nil, fmt.Errorf("parent machine specified without container type")
}
if p.ContainerType != "" && p.Placement != nil {
return nil, fmt.Errorf("container type and placement are mutually exclusive")
}
if p.Placement != nil {
// Extract container type and parent from container placement directives.
containerType, err := instance.ParseContainerType(p.Placement.Scope)
if err == nil {
p.ContainerType = containerType
p.ParentId = p.Placement.Directive
p.Placement = nil
}
}
if p.ContainerType != "" || p.Placement != nil {
// Guard against dubious client by making sure that
// the following attributes can only be set when we're
// not using placement.
p.InstanceId = ""
p.Nonce = ""
p.HardwareCharacteristics = instance.HardwareCharacteristics{}
p.Addrs = nil
}
if p.Series == "" {
conf, err := c.api.state.EnvironConfig()
if err != nil {
return nil, err
}
p.Series = config.PreferredSeries(conf)
}
var placementDirective string
if p.Placement != nil {
env, err := c.api.state.Environment()
if err != nil {
return nil, err
}
if p.Placement.Scope != env.Name() {
return nil, fmt.Errorf("invalid environment name %q", p.Placement.Scope)
}
placementDirective = p.Placement.Directive
}
jobs, err := stateJobs(p.Jobs)
if err != nil {
return nil, err
}
template := state.MachineTemplate{
Series: p.Series,
Constraints: p.Constraints,
InstanceId: p.InstanceId,
Jobs: jobs,
Nonce: p.Nonce,
HardwareCharacteristics: p.HardwareCharacteristics,
Addresses: p.Addrs,
Placement: placementDirective,
}
if p.ContainerType == "" {
return c.api.state.AddOneMachine(template)
}
if p.ParentId != "" {
return c.api.state.AddMachineInsideMachine(template, p.ParentId, p.ContainerType)
}
return c.api.state.AddMachineInsideNewMachine(template, template, p.ContainerType)
}
func (c *AddMachineCommand) Run(ctx *cmd.Context) error {
if c.Placement != nil && c.Placement.Scope == "ssh" {
args := manual.ProvisionMachineArgs{
Host: c.Placement.Directive,
EnvName: c.EnvName,
Stdin: ctx.Stdin,
Stdout: ctx.Stdout,
Stderr: ctx.Stderr,
}
_, err := manual.ProvisionMachine(args)
return err
}
client, err := juju.NewAPIClientFromName(c.EnvName)
if err != nil {
return err
}
defer client.Close()
if c.Placement != nil && c.Placement.Scope == instance.MachineScope {
// It does not make sense to add-machine <id>.
return fmt.Errorf("machine-id cannot be specified when adding machines")
}
machineParams := params.AddMachineParams{
Placement: c.Placement,
Series: c.Series,
Constraints: c.Constraints,
Jobs: []params.MachineJob{params.JobHostUnits},
}
results, err := client.AddMachines([]params.AddMachineParams{machineParams})
if params.IsCodeNotImplemented(err) {
if c.Placement != nil {
containerType, parseErr := instance.ParseContainerType(c.Placement.Scope)
if parseErr != nil {
// The user specified a non-container placement directive:
// return original API not implemented error.
return err
}
machineParams.ContainerType = containerType
machineParams.ParentId = c.Placement.Directive
machineParams.Placement = nil
}
logger.Infof(
"AddMachinesWithPlacement not supported by the API server, " +
"falling back to 1.18 compatibility mode",
)
results, err = client.AddMachines1dot18([]params.AddMachineParams{machineParams})
}
if err != nil {
return err
}
// Currently, only one machine is added, but in future there may be several added in one call.
machineInfo := results[0]
if machineInfo.Error != nil {
return machineInfo.Error
}
machineId := machineInfo.Machine
if names.IsContainerMachine(machineId) {
ctx.Infof("created container %v", machineId)
} else {
ctx.Infof("created machine %v", machineId)
}
return nil
}