// newRole creates a gwacl.Role object (an Azure Virtual Machine) which uses
// the given Virtual Hard Drive.
// The VM will have:
// - an 'ubuntu' user defined with an unguessable (randomly generated) password
// - its ssh port (TCP 22) open
// - its state port (TCP mongoDB) port open
// - its API port (TCP) open
func (env *azureEnviron) newRole(vhd *gwacl.OSVirtualHardDisk, userData string, roleHostname string) *gwacl.Role {
// TODO: Derive the role size from the constraints.
// ExtraSmall|Small|Medium|Large|ExtraLarge
roleSize := "Small"
// Create a Linux Configuration with the username and the password
// empty and disable SSH with password authentication.
hostname := roleHostname
username := "******"
password := gwacl.MakeRandomPassword()
linuxConfigurationSet := gwacl.NewLinuxProvisioningConfigurationSet(hostname, username, password, userData, "true")
config := env.Config()
// Generate a Network Configuration with the initially required ports
// open.
networkConfigurationSet := gwacl.NewNetworkConfigurationSet([]gwacl.InputEndpoint{
{
LocalPort: 22,
Name: "sshport",
Port: 22,
Protocol: "TCP",
},
// TODO: Ought to have this only for state servers.
{
LocalPort: config.StatePort(),
Name: "stateport",
Port: config.StatePort(),
Protocol: "TCP",
},
// TODO: Ought to have this only for API servers.
{
LocalPort: config.APIPort(),
Name: "apiport",
Port: config.APIPort(),
Protocol: "TCP",
},
}, nil)
roleName := gwacl.MakeRandomRoleName("juju")
// The ordering of these configuration sets is significant for the tests.
return gwacl.NewRole(
roleSize, roleName,
[]gwacl.ConfigurationSet{*linuxConfigurationSet, *networkConfigurationSet},
[]gwacl.OSVirtualHardDisk{*vhd})
}
// getInitialEndpoints returns a slice of the endpoints every instance should have open
// (ssh port, etc).
func (env *azureEnviron) getInitialEndpoints() []gwacl.InputEndpoint {
config := env.Config()
return []gwacl.InputEndpoint{
{
LocalPort: 22,
Name: "sshport",
Port: 22,
Protocol: "tcp",
},
// TODO: Ought to have this only for state servers.
{
LocalPort: config.StatePort(),
Name: "stateport",
Port: config.StatePort(),
Protocol: "tcp",
},
// TODO: Ought to have this only for API servers.
{
LocalPort: config.APIPort(),
Name: "apiport",
Port: config.APIPort(),
Protocol: "tcp",
}}
}
// APIAddresses returns the list of addresses used to connect to the API.
func (st *State) APIAddresses() ([]string, error) {
stateAddrs, err := st.Addresses()
if err != nil {
return nil, err
}
config, err := st.EnvironConfig()
if err != nil {
return nil, err
}
apiAddrs := make([]string, 0, len(stateAddrs))
apiPortSuffix := fmt.Sprintf(":%d", config.APIPort())
for _, stateAddr := range stateAddrs {
i := strings.LastIndex(stateAddr, ":")
apiAddrs = append(apiAddrs, stateAddr[:i]+apiPortSuffix)
}
return apiAddrs, nil
}
func (suite *EnvironSuite) TestStateInfo(c *C) {
env := suite.makeEnviron()
hostname := "test"
input := `{"system_id": "system_id", "hostname": "` + hostname + `"}`
node := suite.testMAASObject.TestServer.NewNode(input)
testInstance := &maasInstance{&node, suite.environ}
err := environs.SaveState(
env.Storage(),
&environs.BootstrapState{StateInstances: []instance.Id{testInstance.Id()}})
c.Assert(err, IsNil)
stateInfo, apiInfo, err := env.StateInfo()
c.Assert(err, IsNil)
config := env.Config()
statePortSuffix := fmt.Sprintf(":%d", config.StatePort())
apiPortSuffix := fmt.Sprintf(":%d", config.APIPort())
c.Assert(stateInfo.Addrs, DeepEquals, []string{hostname + statePortSuffix})
c.Assert(apiInfo.Addrs, DeepEquals, []string{hostname + apiPortSuffix})
}
func (*EnvironSuite) TestStateInfo(c *C) {
instanceID := "my-instance"
patchWithServiceListResponse(c, []gwacl.HostedServiceDescriptor{{
ServiceName: instanceID,
}})
env := makeEnviron(c)
cleanup := setDummyStorage(c, env)
defer cleanup()
err := environs.SaveState(
env.Storage(),
&environs.BootstrapState{StateInstances: []instance.Id{instance.Id(instanceID)}})
c.Assert(err, IsNil)
stateInfo, apiInfo, err := env.StateInfo()
c.Assert(err, IsNil)
config := env.Config()
dnsName := "my-instance." + AZURE_DOMAIN_NAME
stateServerAddr := fmt.Sprintf("%s:%d", dnsName, config.StatePort())
apiServerAddr := fmt.Sprintf("%s:%d", dnsName, config.APIPort())
c.Check(stateInfo.Addrs, DeepEquals, []string{stateServerAddr})
c.Check(apiInfo.Addrs, DeepEquals, []string{apiServerAddr})
}
// internalStartInstance is the internal version of StartInstance, used by
// Bootstrap as well as via StartInstance itself.
// 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) (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))
withPublicIP := e.ecfg().useFloatingIP()
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
}
// 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
}