Example #1
0
func getNetwork(ctx context.Context, c swarmapi.ControlClient, input string) (*swarmapi.Network, error) {
	// GetNetwork to match via full ID.
	rg, err := c.GetNetwork(ctx, &swarmapi.GetNetworkRequest{NetworkID: input})
	if err != nil {
		// If any error (including NotFound), ListNetworks to match via ID prefix and full name.
		rl, err := c.ListNetworks(ctx, &swarmapi.ListNetworksRequest{Filters: &swarmapi.ListNetworksRequest_Filters{Names: []string{input}}})
		if err != nil || len(rl.Networks) == 0 {
			rl, err = c.ListNetworks(ctx, &swarmapi.ListNetworksRequest{Filters: &swarmapi.ListNetworksRequest_Filters{IDPrefixes: []string{input}}})
		}

		if err != nil {
			return nil, err
		}

		if len(rl.Networks) == 0 {
			return nil, fmt.Errorf("network %s not found", input)
		}

		if l := len(rl.Networks); l > 1 {
			return nil, fmt.Errorf("network %s is ambigious (%d matches found)", input, l)
		}

		return rl.Networks[0], nil
	}
	return rg.Network, nil
}
Example #2
0
// GetNetwork tries to query for a network as an ID and if it can't be
// found tries to query as a name. If the name query returns exactly
// one entry then it is returned to the caller. Otherwise an error is
// returned.
func GetNetwork(ctx context.Context, c api.ControlClient, input string) (*api.Network, error) {
	// GetService to match via full ID.
	rg, err := c.GetNetwork(ctx, &api.GetNetworkRequest{NetworkID: input})
	if err != nil {
		// If any error (including NotFound), ListServices to match via full name.
		rl, err := c.ListNetworks(ctx,
			&api.ListNetworksRequest{
				Filters: &api.ListNetworksRequest_Filters{
					Names: []string{input},
				},
			},
		)
		if err != nil {
			return nil, err
		}

		if len(rl.Networks) == 0 {
			return nil, fmt.Errorf("network %s not found", input)
		}

		if l := len(rl.Networks); l > 1 {
			return nil, fmt.Errorf("network %s is ambiguous (%d matches found)", input, l)
		}

		return rl.Networks[0], nil
	}

	return rg.Network, nil
}