func (i *EC2IaaS) CreateMachine(params map[string]string) (*iaas.Machine, error) {
regionName, ok := params["region"]
if !ok {
regionName = "us-east-1"
}
region, ok := aws.Regions[regionName]
if !ok {
return nil, fmt.Errorf("region %q not found", regionName)
}
imageId, ok := params["image"]
if !ok {
return nil, fmt.Errorf("image param required")
}
instanceType, ok := params["type"]
if !ok {
return nil, fmt.Errorf("type param required")
}
keyName, _ := params["keyName"]
options := ec2.RunInstances{
ImageId: imageId,
InstanceType: instanceType,
UserData: []byte(iaas.UserData),
MinCount: 1,
MaxCount: 1,
KeyName: keyName,
}
securityGroup, ok := params["securityGroup"]
if ok {
options.SecurityGroups = []ec2.SecurityGroup{
{Name: securityGroup},
}
}
ec2Inst, err := createEC2Handler(region)
if err != nil {
return nil, err
}
resp, err := ec2Inst.RunInstances(&options)
if err != nil {
return nil, err
}
if len(resp.Instances) == 0 {
return nil, fmt.Errorf("no instance created")
}
instance, err := waitForDnsName(ec2Inst, &resp.Instances[0])
if err != nil {
ec2Inst.TerminateInstances([]string{instance.InstanceId})
return nil, err
}
machine := iaas.Machine{
Id: instance.InstanceId,
Status: instance.State.Name,
Address: instance.DNSName,
}
return &machine, nil
}
