// StartInstanceWithConstraintsAndNetworks is a test helper function that
// starts an instance with the given networks, and a plausible but invalid
// configuration, and returns the result of Environ.StartInstance.
func StartInstanceWithConstraintsAndNetworks(
env environs.Environ, machineId string, cons constraints.Value,
includeNetworks, excludeNetworks []string,
) (
instance.Instance, *instance.HardwareCharacteristics, []network.Info, error,
) {
series := config.PreferredSeries(env.Config())
agentVersion, ok := env.Config().AgentVersion()
if !ok {
return nil, nil, nil, fmt.Errorf("missing agent version in environment config")
}
possibleTools, err := tools.FindInstanceTools(env, agentVersion, series, cons.Arch)
if err != nil {
return nil, nil, nil, err
}
machineNonce := "fake_nonce"
stateInfo := FakeStateInfo(machineId)
apiInfo := FakeAPIInfo(machineId)
machineConfig := environs.NewMachineConfig(
machineId, machineNonce,
includeNetworks, excludeNetworks,
stateInfo, apiInfo)
return env.StartInstance(environs.StartInstanceParams{
Constraints: cons,
Tools: possibleTools,
MachineConfig: machineConfig,
})
}
// MachineConfig returns information from the environment config that is
// needed for machine cloud-init (for non-state servers only).
// It is exposed for testing purposes.
// TODO(rog) fix environs/manual tests so they do not need to
// call this, or move this elsewhere.
func MachineConfig(st *state.State, machineId, nonce, dataDir string) (*cloudinit.MachineConfig, error) {
environConfig, err := st.EnvironConfig()
if err != nil {
return nil, err
}
// Get the machine so we can get its series and arch.
// If the Arch is not set in hardware-characteristics,
// an error is returned.
machine, err := st.Machine(machineId)
if err != nil {
return nil, err
}
hc, err := machine.HardwareCharacteristics()
if err != nil {
return nil, err
}
if hc.Arch == nil {
return nil, fmt.Errorf("arch is not set for %q", machine.Tag())
}
// Find the appropriate tools information.
env, err := environs.New(environConfig)
if err != nil {
return nil, err
}
tools, err := findInstanceTools(env, machine.Series(), *hc.Arch)
if err != nil {
return nil, err
}
// Find the secrets and API endpoints.
auth, err := environs.NewEnvironAuthenticator(env)
if err != nil {
return nil, err
}
stateInfo, apiInfo, err := auth.SetupAuthentication(machine)
if err != nil {
return nil, err
}
// Find requested networks.
includeNetworks, excludeNetworks, err := machine.RequestedNetworks()
if err != nil {
return nil, err
}
mcfg := environs.NewMachineConfig(machineId, nonce, includeNetworks, excludeNetworks, stateInfo, apiInfo)
if dataDir != "" {
mcfg.DataDir = dataDir
}
mcfg.Tools = tools
err = environs.FinishMachineConfig(mcfg, environConfig, constraints.Value{})
if err != nil {
return nil, err
}
return mcfg, nil
}
func (s *lxcBrokerSuite) startInstance(c *gc.C, machineId string) instance.Instance {
machineNonce := "fake-nonce"
stateInfo := jujutesting.FakeStateInfo(machineId)
apiInfo := jujutesting.FakeAPIInfo(machineId)
machineConfig := environs.NewMachineConfig(machineId, machineNonce, nil, nil, stateInfo, apiInfo)
cons := constraints.Value{}
possibleTools := s.broker.(coretools.HasTools).Tools("precise")
lxc, _, _, err := s.broker.StartInstance(environs.StartInstanceParams{
Constraints: cons,
Tools: possibleTools,
MachineConfig: machineConfig,
})
c.Assert(err, gc.IsNil)
return lxc
}
func CreateContainer(c *gc.C, manager container.Manager, machineId string) instance.Instance {
stateInfo := jujutesting.FakeStateInfo(machineId)
apiInfo := jujutesting.FakeAPIInfo(machineId)
machineConfig := environs.NewMachineConfig(machineId, "fake-nonce", nil, nil, stateInfo, apiInfo)
machineConfig.Tools = &tools.Tools{
Version: version.MustParseBinary("2.3.4-foo-bar"),
URL: "http://tools.testing.invalid/2.3.4-foo-bar.tgz",
}
series := "series"
network := container.BridgeNetworkConfig("nic42")
inst, hardware, err := manager.CreateContainer(machineConfig, series, network)
c.Assert(err, gc.IsNil)
c.Assert(hardware, gc.NotNil)
c.Assert(hardware.String(), gc.Not(gc.Equals), "")
return inst
}
// Check that we get a consistent error when asking for an instance without
// a valid machine config.
func (t *LiveTests) TestStartInstanceWithEmptyNonceFails(c *gc.C) {
machineId := "4"
stateInfo := testing.FakeStateInfo(machineId)
apiInfo := testing.FakeAPIInfo(machineId)
machineConfig := environs.NewMachineConfig(machineId, "", nil, nil, stateInfo, apiInfo)
t.PrepareOnce(c)
possibleTools := envtesting.AssertUploadFakeToolsVersions(c, t.Env.Storage(), version.MustParseBinary("5.4.5-precise-amd64"))
inst, _, _, err := t.Env.StartInstance(environs.StartInstanceParams{
Tools: possibleTools,
MachineConfig: machineConfig,
})
if inst != nil {
err := t.Env.StopInstances(inst.Id())
c.Check(err, gc.IsNil)
}
c.Assert(inst, gc.IsNil)
c.Assert(err, gc.ErrorMatches, ".*missing machine nonce")
}
func createContainer(c *gc.C, manager container.Manager, machineId string) instance.Instance {
machineNonce := "fake-nonce"
stateInfo := jujutesting.FakeStateInfo(machineId)
apiInfo := jujutesting.FakeAPIInfo(machineId)
machineConfig := environs.NewMachineConfig(machineId, machineNonce, nil, nil, stateInfo, apiInfo)
network := container.BridgeNetworkConfig("virbr0")
machineConfig.Tools = &tools.Tools{
Version: version.MustParseBinary("2.3.4-foo-bar"),
URL: "http://tools.testing.invalid/2.3.4-foo-bar.tgz",
}
environConfig := dummyConfig(c)
err := environs.FinishMachineConfig(machineConfig, environConfig, constraints.Value{})
c.Assert(err, gc.IsNil)
inst, hardware, err := manager.CreateContainer(machineConfig, "precise", network)
c.Assert(err, gc.IsNil)
c.Assert(hardware, gc.NotNil)
expected := fmt.Sprintf("arch=%s cpu-cores=1 mem=512M root-disk=8192M", version.Current.Arch)
c.Assert(hardware.String(), gc.Equals, expected)
return inst
}