// allInstances returns all of the instances in the given resource group,
// and optionally ensures that each instance's addresses are up-to-date.
func (env *azureEnviron) allInstances(
resourceGroup string,
refreshAddresses bool,
controllerOnly bool,
) ([]instance.Instance, error) {
deploymentsClient := resources.DeploymentsClient{env.resources}
var deploymentsResult resources.DeploymentListResult
if err := env.callAPI(func() (autorest.Response, error) {
var err error
deploymentsResult, err = deploymentsClient.List(resourceGroup, "", nil)
return deploymentsResult.Response, err
}); err != nil {
if deploymentsResult.Response.Response != nil && deploymentsResult.StatusCode == http.StatusNotFound {
// This will occur if the resource group does not
// exist, e.g. in a fresh hosted environment.
return nil, nil
}
return nil, errors.Trace(err)
}
if deploymentsResult.Value == nil || len(*deploymentsResult.Value) == 0 {
return nil, nil
}
azureInstances := make([]*azureInstance, 0, len(*deploymentsResult.Value))
for _, deployment := range *deploymentsResult.Value {
name := to.String(deployment.Name)
if deployment.Properties == nil || deployment.Properties.Dependencies == nil {
continue
}
if controllerOnly && !isControllerDeployment(deployment) {
continue
}
provisioningState := to.String(deployment.Properties.ProvisioningState)
inst := &azureInstance{name, provisioningState, env, nil, nil}
azureInstances = append(azureInstances, inst)
}
if len(azureInstances) > 0 && refreshAddresses {
if err := setInstanceAddresses(
env.callAPI,
resourceGroup,
network.InterfacesClient{env.network},
network.PublicIPAddressesClient{env.network},
azureInstances,
); err != nil {
return nil, errors.Trace(err)
}
}
instances := make([]instance.Instance, len(azureInstances))
for i, inst := range azureInstances {
instances[i] = inst
}
return instances, nil
}
