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TUN-5361: Commands for managing virtual networks

This commit is contained in:
Nuno Diegues 2021-11-26 12:37:54 +00:00
parent 6cc7d99e32
commit eec6b87eea
12 changed files with 664 additions and 9 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
cmd/cloudflared/tunnel/cmd.go
View File

@ -102,6 +102,8 @@ func Commands() []*cli.Command {
buildLoginSubcommand(false),
buildCreateCommand(),
buildRouteCommand(),
// TODO TUN-5477 this should not be hidden
buildVirtualNetworkSubcommand(true),
buildRunCommand(),
buildListCommand(),
buildInfoCommand(),

40
cmd/cloudflared/tunnel/subcommand_context_vnets.go Normal file
View File

@ -0,0 +1,40 @@
package tunnel
import (
"github.com/google/uuid"
"github.com/pkg/errors"
"github.com/cloudflare/cloudflared/vnet"
)
func (sc *subcommandContext) addVirtualNetwork(newVnet vnet.NewVirtualNetwork) (vnet.VirtualNetwork, error) {
client, err := sc.client()
if err != nil {
return vnet.VirtualNetwork{}, errors.Wrap(err, noClientMsg)
}
return client.CreateVirtualNetwork(newVnet)
}
func (sc *subcommandContext) listVirtualNetworks(filter *vnet.Filter) ([]*vnet.VirtualNetwork, error) {
client, err := sc.client()
if err != nil {
return nil, errors.Wrap(err, noClientMsg)
}
return client.ListVirtualNetworks(filter)
}
func (sc *subcommandContext) deleteVirtualNetwork(vnetId uuid.UUID) error {
client, err := sc.client()
if err != nil {
return errors.Wrap(err, noClientMsg)
}
return client.DeleteVirtualNetwork(vnetId)
}
func (sc *subcommandContext) updateVirtualNetwork(vnetId uuid.UUID, updates vnet.UpdateVirtualNetwork) error {
client, err := sc.client()
if err != nil {
return errors.Wrap(err, noClientMsg)
}
return client.UpdateVirtualNetwork(vnetId, updates)
}

2
cmd/cloudflared/tunnel/subcommands.go
View File

@ -329,7 +329,7 @@ func listCommand(c *cli.Context) error {
if len(tunnels) > 0 {
formatAndPrintTunnelList(tunnels, c.Bool("show-recently-disconnected"))
} else {
fmt.Println("You have no tunnels, use 'cloudflared tunnel create' to define a new tunnel")
fmt.Println("No tunnels were found for the given filter flags. You can use 'cloudflared tunnel create' to create a tunnel.")
}
return nil

2
cmd/cloudflared/tunnel/teamnet_subcommands.go
View File

@ -98,7 +98,7 @@ func showRoutesCommand(c *cli.Context) error {
if len(routes) > 0 {
formatAndPrintRouteList(routes)
} else {
fmt.Println("You have no routes, use 'cloudflared tunnel route ip add' to add a route")
fmt.Println("No routes were found for the given filter flags. You can use 'cloudflared tunnel route ip add' to add a route.")
}
return nil

285
cmd/cloudflared/tunnel/vnets_subcommands.go Normal file
View File

@ -0,0 +1,285 @@
package tunnel
import (
"fmt"
"os"
"text/tabwriter"
"github.com/google/uuid"
"github.com/pkg/errors"
"github.com/urfave/cli/v2"
"github.com/cloudflare/cloudflared/cmd/cloudflared/cliutil"
"github.com/cloudflare/cloudflared/cmd/cloudflared/updater"
"github.com/cloudflare/cloudflared/vnet"
)
var (
makeDefaultFlag = &cli.BoolFlag{
Name: "default",
Aliases: []string{"d"},
Usage: "The virtual network becomes the default one for the account. This means that all operations that " +
"omit a virtual network will now implicitly be using this virtual network (i.e., the default one) such " +
"as new IP routes that are created. When this flag is not set, the virtual network will not become the " +
"default one in the account.",
}
newNameFlag = &cli.StringFlag{
Name: "name",
Aliases: []string{"n"},
Usage: "The new name for the virtual network.",
}
newCommentFlag = &cli.StringFlag{
Name: "comment",
Aliases: []string{"c"},
Usage: "A new comment describing the purpose of the virtual network.",
}
)
func buildVirtualNetworkSubcommand(hidden bool) *cli.Command {
return &cli.Command{
Name: "network",
Usage: "Configure and query virtual networks to manage private IP routes with overlapping IPs.",
UsageText: "cloudflared tunnel [--config FILEPATH] network COMMAND [arguments...]",
Description: `cloudflared allows to manage IP routes that expose origins in your private network space via their IP directly
to clients outside (e.g. using WARP client) --- those are configurable via "cloudflared tunnel route ip" commands.
By default, all those IP routes live in the same virtual network. Managing virtual networks (e.g. by creating a
new one) becomes relevant when you have different private networks that have overlapping IPs. E.g.: if you have
a private network A running Tunnel 1, and private network B running Tunnel 2, it is possible that both Tunnels
expose the same IP space (say 10.0.0.0/8); to handle that, you have to add each IP Route (one that points to
Tunnel 1 and another that points to Tunnel 2) in different Virtual Networks. That way, if your clients are on
Virtual Network X, they will see Tunnel 1 (via Route A) and not see Tunnel 2 (since its Route B is associated
to another Virtual Network Y).`,
Hidden: hidden,
Subcommands: []*cli.Command{
{
Name: "add",
Action: cliutil.ConfiguredAction(addVirtualNetworkCommand),
Usage: "Add a new virtual network to which IP routes can be attached",
UsageText: "cloudflared tunnel [--config FILEPATH] network add [flags] NAME [\"comment\"]",
Description: `Adds a new virtual network. You can then attach IP routes to this virtual network with "cloudflared tunnel route ip"
commands. By doing so, such route(s) become segregated from route(s) in another virtual networks. Note that all
routes exist within some virtual network. If you do not specify any, then the system pre-creates a default virtual
network to which all routes belong. That is fine if you do not have overlapping IPs within different physical
private networks in your infrastructure exposed via Cloudflare Tunnel. Note: if a virtual network is added as
the new default, then the previous existing default virtual network will be automatically modified to no longer
be the current default.`,
Flags: []cli.Flag{makeDefaultFlag},
Hidden: hidden,
},
{
Name: "list",
Action: cliutil.ConfiguredAction(listVirtualNetworksCommand),
Usage: "Lists the virtual networks",
UsageText: "cloudflared tunnel [--config FILEPATH] network list [flags]",
Description: "Lists the virtual networks based on the given filter flags.",
Flags: listVirtualNetworksFlags(),
Hidden: hidden,
},
{
Name: "delete",
Action: cliutil.ConfiguredAction(deleteVirtualNetworkCommand),
Usage: "Delete a virtual network",
UsageText: "cloudflared tunnel [--config FILEPATH] network delete VIRTUAL_NETWORK",
Description: `Deletes the virtual network (given its ID or name). This is only possible if that virtual network is unused.
A virtual network may be used by IP routes or by WARP devices.`,
Hidden: hidden,
},
{
Name: "update",
Action: cliutil.ConfiguredAction(updateVirtualNetworkCommand),
Usage: "Update a virtual network",
UsageText: "cloudflared tunnel [--config FILEPATH] network update [flags] VIRTUAL_NETWORK",
Description: `Updates the virtual network (given its ID or name). If this virtual network is updated to become the new
default, then the previously existing default virtual network will also be modified to no longer be the default.
You cannot update a virtual network to not be the default anymore directly. Instead, you should create a new
default or update an existing one to become the default.`,
Flags: []cli.Flag{newNameFlag, newCommentFlag, makeDefaultFlag},
Hidden: hidden,
},
},
}
}
func listVirtualNetworksFlags() []cli.Flag {
flags := make([]cli.Flag, 0)
flags = append(flags, vnet.FilterFlags...)
flags = append(flags, outputFormatFlag)
return flags
}
func addVirtualNetworkCommand(c *cli.Context) error {
sc, err := newSubcommandContext(c)
if err != nil {
return err
}
if c.NArg() < 1 {
return errors.New("You must supply at least 1 argument, the name of the virtual network you wish to add.")
}
warningChecker := updater.StartWarningCheck(c)
defer warningChecker.LogWarningIfAny(sc.log)
args := c.Args()
name := args.Get(0)
comment := ""
if c.NArg() >= 2 {
comment = args.Get(1)
}
newVnet := vnet.NewVirtualNetwork{
Name: name,
Comment: comment,
IsDefault: c.Bool(makeDefaultFlag.Name),
}
createdVnet, err := sc.addVirtualNetwork(newVnet)
if err != nil {
return errors.Wrap(err, "Could not add virtual network")
}
extraMsg := ""
if createdVnet.IsDefault {
extraMsg = " (as the new default for this account) "
}
fmt.Printf(
"Successfully added virtual 'network' %s with ID: %s%s\n"+
"You can now add IP routes attached to this virtual network. See `cloudflared tunnel route ip add -help`\n",
name, createdVnet.ID, extraMsg,
)
return nil
}
func listVirtualNetworksCommand(c *cli.Context) error {
sc, err := newSubcommandContext(c)
if err != nil {
return err
}
warningChecker := updater.StartWarningCheck(c)
defer warningChecker.LogWarningIfAny(sc.log)
filter, err := vnet.NewFromCLI(c)
if err != nil {
return errors.Wrap(err, "invalid flags for filtering virtual networks")
}
vnets, err := sc.listVirtualNetworks(filter)
if err != nil {
return err
}
if outputFormat := c.String(outputFormatFlag.Name); outputFormat != "" {
return renderOutput(outputFormat, vnets)
}
if len(vnets) > 0 {
formatAndPrintVnetsList(vnets)
} else {
fmt.Println("No virtual networks were found for the given filter flags. You can use 'cloudflared tunnel network add' to add a virtual network.")
}
return nil
}
func deleteVirtualNetworkCommand(c *cli.Context) error {
sc, err := newSubcommandContext(c)
if err != nil {
return err
}
if c.NArg() != 1 {
return errors.New("You must supply exactly one argument, either the ID or name of the virtual network to delete")
}
input := c.Args().Get(0)
vnetId, err := getVnetId(sc, input)
if err != nil {
return err
}
if err := sc.deleteVirtualNetwork(vnetId); err != nil {
return errors.Wrap(err, "API error")
}
fmt.Printf("Successfully deleted virtual network '%s'\n", input)
return nil
}
func updateVirtualNetworkCommand(c *cli.Context) error {
sc, err := newSubcommandContext(c)
if err != nil {
return err
}
if c.NArg() != 1 {
return errors.New(" You must supply exactly one argument, either the ID or (current) name of the virtual network to update")
}
input := c.Args().Get(0)
vnetId, err := getVnetId(sc, input)
if err != nil {
return err
}
updates := vnet.UpdateVirtualNetwork{}
if c.IsSet(newNameFlag.Name) {
newName := c.String(newNameFlag.Name)
updates.Name = &newName
}
if c.IsSet(newCommentFlag.Name) {
newComment := c.String(newCommentFlag.Name)
updates.Comment = &newComment
}
if c.IsSet(makeDefaultFlag.Name) {
isDefault := c.Bool(makeDefaultFlag.Name)
updates.IsDefault = &isDefault
}
if err := sc.updateVirtualNetwork(vnetId, updates); err != nil {
return errors.Wrap(err, "API error")
}
fmt.Printf("Successfully updated virtual network '%s'\n", input)
return nil
}
func getVnetId(sc *subcommandContext, input string) (uuid.UUID, error) {
val, err := uuid.Parse(input)
if err == nil {
return val, nil
}
filter := vnet.NewFilter()
filter.WithDeleted(false)
filter.ByName(input)
vnets, err := sc.listVirtualNetworks(filter)
if err != nil {
return uuid.Nil, err
}
if len(vnets) != 1 {
return uuid.Nil, fmt.Errorf("there should only be 1 non-deleted virtual network named %s", input)
}
return vnets[0].ID, nil
}
func formatAndPrintVnetsList(vnets []*vnet.VirtualNetwork) {
const (
minWidth = 0
tabWidth = 8
padding = 1
padChar = ' '
flags = 0
)
writer := tabwriter.NewWriter(os.Stdout, minWidth, tabWidth, padding, padChar, flags)
defer writer.Flush()
_, _ = fmt.Fprintln(writer, "ID\tNAME\tIS DEFAULT\tCOMMENT\tCREATED\tDELETED\t")
for _, virtualNetwork := range vnets {
formattedStr := virtualNetwork.TableString()
_, _ = fmt.Fprintln(writer, formattedStr)
}
}

9
teamnet/filter.go
View File

@ -4,6 +4,7 @@ import (
"fmt"
"net"
"net/url"
"strconv"
"time"
"github.com/google/uuid"
@ -86,6 +87,10 @@ func NewFromCLI(c *cli.Context) (*Filter, error) {
f.tunnelID(u)
}
if maxFetch := c.Int("max-fetch-size"); maxFetch > 0 {
f.MaxFetchSize(uint(maxFetch))
}
return f, nil
}
@ -133,6 +138,10 @@ func (f *Filter) tunnelID(id uuid.UUID) {
f.queryParams.Set("tunnel_id", id.String())
}
func (f *Filter) MaxFetchSize(max uint) {
f.queryParams.Set("per_page", strconv.Itoa(int(max)))
}
func (f Filter) Encode() string {
return f.queryParams.Encode()
}

14
tunnelstore/client.go
View File

@ -15,10 +15,10 @@ import (
"github.com/google/uuid"
"github.com/pkg/errors"
"github.com/rs/zerolog"
"golang.org/x/net/http2"
"github.com/cloudflare/cloudflared/teamnet"
"github.com/cloudflare/cloudflared/vnet"
)
const (
@ -238,6 +238,12 @@ type Client interface {
AddRoute(newRoute teamnet.NewRoute) (teamnet.Route, error)
DeleteRoute(network net.IPNet) error
GetByIP(ip net.IP) (teamnet.DetailedRoute, error)
// Virtual Networks endpoints
CreateVirtualNetwork(newVnet vnet.NewVirtualNetwork) (vnet.VirtualNetwork, error)
ListVirtualNetworks(filter *vnet.Filter) ([]*vnet.VirtualNetwork, error)
DeleteVirtualNetwork(id uuid.UUID) error
UpdateVirtualNetwork(id uuid.UUID, updates vnet.UpdateVirtualNetwork) error
}
type RESTClient struct {
@ -252,6 +258,7 @@ type baseEndpoints struct {
accountLevel url.URL
zoneLevel url.URL
accountRoutes url.URL
accountVnets url.URL
}
var _ Client = (*RESTClient)(nil)
@ -268,6 +275,10 @@ func NewRESTClient(baseURL, accountTag, zoneTag, authToken, userAgent string, lo
if err != nil {
return nil, errors.Wrap(err, "failed to create route account-level endpoint")
}
accountVnetsEndpoint, err := url.Parse(fmt.Sprintf("%s/accounts/%s/virtual_networks", baseURL, accountTag))
if err != nil {
return nil, errors.Wrap(err, "failed to create virtual network account-level endpoint")
}
zoneLevelEndpoint, err := url.Parse(fmt.Sprintf("%s/zones/%s/tunnels", baseURL, zoneTag))
if err != nil {
return nil, errors.Wrap(err, "failed to create account level endpoint")
@ -282,6 +293,7 @@ func NewRESTClient(baseURL, accountTag, zoneTag, authToken, userAgent string, lo
accountLevel: *accountLevelEndpoint,
zoneLevel: *zoneLevelEndpoint,
accountRoutes: *accountRoutesEndpoint,
accountVnets: *accountVnetsEndpoint,
},
authToken: authToken,
userAgent: userAgent,

6
tunnelstore/client_teamnet.go
View File

@ -81,12 +81,6 @@ func (r *RESTClient) GetByIP(ip net.IP) (teamnet.DetailedRoute, error) {
return teamnet.DetailedRoute{}, r.statusCodeToError("get route by IP", resp)
}
func parseListRoutes(body io.ReadCloser) ([]*teamnet.Route, error) {
var routes []*teamnet.Route
err := parseResponse(body, &routes)
return routes, err
}
func parseListDetailedRoutes(body io.ReadCloser) ([]*teamnet.DetailedRoute, error) {
var routes []*teamnet.DetailedRoute
err := parseResponse(body, &routes)

89
tunnelstore/client_vnets.go Normal file
View File

@ -0,0 +1,89 @@
package tunnelstore
import (
"io"
"net/http"
"net/url"
"path"
"github.com/google/uuid"
"github.com/pkg/errors"
"github.com/cloudflare/cloudflared/vnet"
)
func (r *RESTClient) CreateVirtualNetwork(newVnet vnet.NewVirtualNetwork) (vnet.VirtualNetwork, error) {
resp, err := r.sendRequest("POST", r.baseEndpoints.accountVnets, newVnet)
if err != nil {
return vnet.VirtualNetwork{}, errors.Wrap(err, "REST request failed")
}
defer resp.Body.Close()
if resp.StatusCode == http.StatusOK {
return parseVnet(resp.Body)
}
return vnet.VirtualNetwork{}, r.statusCodeToError("add virtual network", resp)
}
func (r *RESTClient) ListVirtualNetworks(filter *vnet.Filter) ([]*vnet.VirtualNetwork, error) {
endpoint := r.baseEndpoints.accountVnets
endpoint.RawQuery = filter.Encode()
resp, err := r.sendRequest("GET", endpoint, nil)
if err != nil {
return nil, errors.Wrap(err, "REST request failed")
}
defer resp.Body.Close()
if resp.StatusCode == http.StatusOK {
return parseListVnets(resp.Body)
}
return nil, r.statusCodeToError("list virtual networks", resp)
}
func (r *RESTClient) DeleteVirtualNetwork(id uuid.UUID) error {
endpoint := r.baseEndpoints.accountVnets
endpoint.Path = path.Join(endpoint.Path, url.PathEscape(id.String()))
resp, err := r.sendRequest("DELETE", endpoint, nil)
if err != nil {
return errors.Wrap(err, "REST request failed")
}
defer resp.Body.Close()
if resp.StatusCode == http.StatusOK {
_, err := parseVnet(resp.Body)
return err
}
return r.statusCodeToError("delete virtual network", resp)
}
func (r *RESTClient) UpdateVirtualNetwork(id uuid.UUID, updates vnet.UpdateVirtualNetwork) error {
endpoint := r.baseEndpoints.accountVnets
endpoint.Path = path.Join(endpoint.Path, url.PathEscape(id.String()))
resp, err := r.sendRequest("PATCH", endpoint, updates)
if err != nil {
return errors.Wrap(err, "REST request failed")
}
defer resp.Body.Close()
if resp.StatusCode == http.StatusOK {
_, err := parseVnet(resp.Body)
return err
}
return r.statusCodeToError("update virtual network", resp)
}
func parseListVnets(body io.ReadCloser) ([]*vnet.VirtualNetwork, error) {
var vnets []*vnet.VirtualNetwork
err := parseResponse(body, &vnets)
return vnets, err
}
func parseVnet(body io.ReadCloser) (vnet.VirtualNetwork, error) {
var vnet vnet.VirtualNetwork
err := parseResponse(body, &vnet)
return vnet, err
}

46
vnet/api.go Normal file
View File

@ -0,0 +1,46 @@
package vnet
import (
"fmt"
"strconv"
"time"
"github.com/google/uuid"
)
type NewVirtualNetwork struct {
Name string `json:"name"`
Comment string `json:"comment"`
IsDefault bool `json:"is_default"`
}
type VirtualNetwork struct {
ID uuid.UUID `json:"id"`
Comment string `json:"comment"`
Name string `json:"name"`
IsDefault bool `json:"is_default_network"`
CreatedAt time.Time `json:"created_at"`
DeletedAt time.Time `json:"deleted_at"`
}
type UpdateVirtualNetwork struct {
Name *string `json:"name,omitempty"`
Comment *string `json:"comment,omitempty"`
IsDefault *bool `json:"is_default_network,omitempty"`
}
func (virtualNetwork VirtualNetwork) TableString() string {
deletedColumn := "-"
if !virtualNetwork.DeletedAt.IsZero() {
deletedColumn = virtualNetwork.DeletedAt.Format(time.RFC3339)
}
return fmt.Sprintf(
"%s\t%s\t%s\t%s\t%s\t%s\t",
virtualNetwork.ID,
virtualNetwork.Name,
strconv.FormatBool(virtualNetwork.IsDefault),
virtualNetwork.Comment,
virtualNetwork.CreatedAt.Format(time.RFC3339),
deletedColumn,
)
}

79
vnet/api_test.go Normal file
View File

@ -0,0 +1,79 @@
package vnet
import (
"encoding/json"
"strings"
"testing"
"time"
"github.com/google/uuid"
"github.com/stretchr/testify/require"
)
func TestVirtualNetworkJsonRoundtrip(t *testing.T) {
data := `{
"id":"74fce949-351b-4752-b261-81a56cfd3130",
"comment":"New York DC1",
"name":"us-east-1",
"is_default_network":true,
"created_at":"2021-11-26T14:40:02.600673Z",
"deleted_at":"2021-12-01T10:23:13.102645Z"
}`
var v VirtualNetwork
err := json.Unmarshal([]byte(data), &v)
require.NoError(t, err)
require.Equal(t, uuid.MustParse("74fce949-351b-4752-b261-81a56cfd3130"), v.ID)
require.Equal(t, "us-east-1", v.Name)
require.Equal(t, "New York DC1", v.Comment)
require.Equal(t, true, v.IsDefault)
bytes, err := json.Marshal(v)
require.NoError(t, err)
obtainedJson := string(bytes)
data = strings.Replace(data, "\t", "", -1)
data = strings.Replace(data, "\n", "", -1)
require.Equal(t, data, obtainedJson)
}
func TestMarshalNewVnet(t *testing.T) {
newVnet := NewVirtualNetwork{
Name: "eu-west-1",
Comment: "London office",
IsDefault: true,
}
serialized, err := json.Marshal(newVnet)
require.NoError(t, err)
require.True(t, strings.Contains(string(serialized), newVnet.Name))
}
func TestMarshalUpdateVnet(t *testing.T) {
newName := "bulgaria-1"
updates := UpdateVirtualNetwork{
Name: &newName,
}
// Test where receiver is struct
serialized, err := json.Marshal(updates)
require.NoError(t, err)
require.True(t, strings.Contains(string(serialized), newName))
}
func TestVnetTableString(t *testing.T) {
virtualNet := VirtualNetwork{
ID: uuid.New(),
Name: "us-east-1",
Comment: "New York DC1",
IsDefault: true,
CreatedAt: time.Now(),
DeletedAt: time.Time{},
}
row := virtualNet.TableString()
require.True(t, strings.HasPrefix(row, virtualNet.ID.String()))
require.True(t, strings.Contains(row, virtualNet.Name))
require.True(t, strings.Contains(row, virtualNet.Comment))
require.True(t, strings.Contains(row, "true"))
require.True(t, strings.HasSuffix(row, "-\t"))
}

99
vnet/filter.go Normal file
View File

@ -0,0 +1,99 @@
package vnet
import (
"net/url"
"strconv"
"github.com/google/uuid"
"github.com/pkg/errors"
"github.com/urfave/cli/v2"
)
var (
filterId = cli.StringFlag{
Name: "id",
Usage: "List virtual networks with the given `ID`",
}
filterName = cli.StringFlag{
Name: "name",
Usage: "List virtual networks with the given `NAME`",
}
filterDefault = cli.BoolFlag{
Name: "is-default",
Usage: "If true, lists the virtual network that is the default one. If false, lists all non-default virtual networks for the account. If absent, all are included in the results regardless of their default status.",
}
filterDeleted = cli.BoolFlag{
Name: "show-deleted",
Usage: "If false (default), only show non-deleted virtual networks. If true, only show deleted virtual networks.",
}
FilterFlags = []cli.Flag{
&filterId,
&filterName,
&filterDefault,
&filterDeleted,
}
)
// Filter which virtual networks get queried.
type Filter struct {
queryParams url.Values
}
func NewFilter() *Filter {
return &Filter{
queryParams: url.Values{},
}
}
func (f *Filter) ById(vnetId uuid.UUID) {
f.queryParams.Set("id", vnetId.String())
}
func (f *Filter) ByName(name string) {
f.queryParams.Set("name", name)
}
func (f *Filter) ByDefaultStatus(isDefault bool) {
f.queryParams.Set("is_default", strconv.FormatBool(isDefault))
}
func (f *Filter) WithDeleted(isDeleted bool) {
f.queryParams.Set("is_deleted", strconv.FormatBool(isDeleted))
}
func (f *Filter) MaxFetchSize(max uint) {
f.queryParams.Set("per_page", strconv.Itoa(int(max)))
}
func (f Filter) Encode() string {
return f.queryParams.Encode()
}
// NewFromCLI parses CLI flags to discover which filters should get applied to list virtual networks.
func NewFromCLI(c *cli.Context) (*Filter, error) {
f := NewFilter()
if id := c.String("id"); id != "" {
vnetId, err := uuid.Parse(id)
if err != nil {
return nil, errors.Wrapf(err, "%s is not a valid virtual network ID", id)
}
f.ById(vnetId)
}
if name := c.String("name"); name != "" {
f.ByName(name)
}
if c.IsSet("is-default") {
f.ByDefaultStatus(c.Bool("is-default"))
}
f.WithDeleted(c.Bool("show-deleted"))
if maxFetch := c.Int("max-fetch-size"); maxFetch > 0 {
f.MaxFetchSize(uint(maxFetch))
}
return f, nil
}