func createNetworks(
ctx context.Context,
dockerCli *command.DockerCli,
namespace convert.Namespace,
networks map[string]types.NetworkCreate,
) error {
client := dockerCli.Client()
existingNetworks, err := getStackNetworks(ctx, client, namespace.Name())
if err != nil {
return err
}
existingNetworkMap := make(map[string]types.NetworkResource)
for _, network := range existingNetworks {
existingNetworkMap[network.Name] = network
}
for internalName, createOpts := range networks {
name := namespace.Scope(internalName)
if _, exists := existingNetworkMap[name]; exists {
continue
}
if createOpts.Driver == "" {
createOpts.Driver = defaultNetworkDriver
}
fmt.Fprintf(dockerCli.Out(), "Creating network %s\n", name)
if _, err := client.NetworkCreate(ctx, name, createOpts); err != nil {
return err
}
}
return nil
}
func deployServices(
ctx context.Context,
dockerCli *command.DockerCli,
services map[string]swarm.ServiceSpec,
namespace convert.Namespace,
sendAuth bool,
) error {
apiClient := dockerCli.Client()
out := dockerCli.Out()
existingServices, err := getServices(ctx, apiClient, namespace.Name())
if err != nil {
return err
}
existingServiceMap := make(map[string]swarm.Service)
for _, service := range existingServices {
existingServiceMap[service.Spec.Name] = service
}
for internalName, serviceSpec := range services {
name := namespace.Scope(internalName)
encodedAuth := ""
if sendAuth {
// Retrieve encoded auth token from the image reference
image := serviceSpec.TaskTemplate.ContainerSpec.Image
encodedAuth, err = command.RetrieveAuthTokenFromImage(ctx, dockerCli, image)
if err != nil {
return err
}
}
if service, exists := existingServiceMap[name]; exists {
fmt.Fprintf(out, "Updating service %s (id: %s)\n", name, service.ID)
updateOpts := types.ServiceUpdateOptions{}
if sendAuth {
updateOpts.EncodedRegistryAuth = encodedAuth
}
response, err := apiClient.ServiceUpdate(
ctx,
service.ID,
service.Version,
serviceSpec,
updateOpts,
)
if err != nil {
return err
}
for _, warning := range response.Warnings {
fmt.Fprintln(dockerCli.Err(), warning)
}
} else {
fmt.Fprintf(out, "Creating service %s\n", name)
createOpts := types.ServiceCreateOptions{}
if sendAuth {
createOpts.EncodedRegistryAuth = encodedAuth
}
if _, err := apiClient.ServiceCreate(ctx, serviceSpec, createOpts); err != nil {
return err
}
}
}
return nil
}