// StartInstanceWithParams is a test helper function that starts an instance
// with the given parameters, and a plausible but invalid configuration, and
// returns the result of Environ.StartInstance. The provided params's
// MachineConfig and Tools field values will be ignored.
func StartInstanceWithParams(
env environs.Environ, machineId string,
params environs.StartInstanceParams,
networks []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, params.Constraints.Arch,
)
if err != nil {
return nil, nil, nil, err
}
machineNonce := "fake_nonce"
stateInfo := FakeStateInfo(machineId)
apiInfo := FakeAPIInfo(machineId)
machineConfig := environs.NewMachineConfig(
machineId, machineNonce,
networks,
stateInfo, apiInfo)
params.Tools = possibleTools
params.MachineConfig = machineConfig
return env.StartInstance(params)
}
// StartInstanceWithParams is a test helper function that starts an instance
// with the given parameters, and a plausible but invalid configuration, and
// returns the result of Environ.StartInstance. The provided params's
// MachineConfig and Tools field values will be ignored.
func StartInstanceWithParams(
env environs.Environ, machineId string,
params environs.StartInstanceParams,
networks []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")
}
filter := coretools.Filter{
Number: agentVersion,
Series: series,
}
if params.Constraints.Arch != nil {
filter.Arch = *params.Constraints.Arch
}
possibleTools, err := tools.FindTools(
env, -1, -1, filter, tools.DoNotAllowRetry,
)
if err != nil {
return nil, nil, nil, err
}
machineNonce := "fake_nonce"
stateInfo := FakeStateInfo(machineId)
apiInfo := FakeAPIInfo(machineId)
machineConfig, err := environs.NewMachineConfig(
machineId,
machineNonce,
imagemetadata.ReleasedStream,
series,
networks,
stateInfo,
apiInfo,
)
if err != nil {
return nil, nil, nil, err
}
params.Tools = possibleTools
params.MachineConfig = machineConfig
return env.StartInstance(params)
}