TUN-5482: Refactor tunnelstore client related packages for more coherent package

2025-07-27 19:19:57 +00:00 · 2021-12-27 14:56:50 +00:00
parent 834c0eaeed
commit 6822e4f8ab
27 changed files with 1056 additions and 1025 deletions
--- a/cfapi/base_client.go
+++ b/cfapi/base_client.go
@@ -0,0 +1,186 @@
+package cfapi
+
+import (
+	"bytes"
+	"encoding/json"
+	"fmt"
+	"io"
+	"net/http"
+	"net/url"
+	"strings"
+	"time"
+
+	"github.com/pkg/errors"
+	"github.com/rs/zerolog"
+	"golang.org/x/net/http2"
+)
+
+const (
+	defaultTimeout  = 15 * time.Second
+	jsonContentType = "application/json"
+)
+
+var (
+	ErrUnauthorized = errors.New("unauthorized")
+	ErrBadRequest   = errors.New("incorrect request parameters")
+	ErrNotFound     = errors.New("not found")
+	ErrAPINoSuccess = errors.New("API call failed")
+)
+
+type RESTClient struct {
+	baseEndpoints *baseEndpoints
+	authToken     string
+	userAgent     string
+	client        http.Client
+	log           *zerolog.Logger
+}
+
+type baseEndpoints struct {
+	accountLevel  url.URL
+	zoneLevel     url.URL
+	accountRoutes url.URL
+	accountVnets  url.URL
+}
+
+var _ Client = (*RESTClient)(nil)
+
+func NewRESTClient(baseURL, accountTag, zoneTag, authToken, userAgent string, log *zerolog.Logger) (*RESTClient, error) {
+	if strings.HasSuffix(baseURL, "/") {
+		baseURL = baseURL[:len(baseURL)-1]
+	}
+	accountLevelEndpoint, err := url.Parse(fmt.Sprintf("%s/accounts/%s/tunnels", baseURL, accountTag))
+	if err != nil {
+		return nil, errors.Wrap(err, "failed to create account level endpoint")
+	}
+	accountRoutesEndpoint, err := url.Parse(fmt.Sprintf("%s/accounts/%s/teamnet/routes", baseURL, accountTag))
+	if err != nil {
+		return nil, errors.Wrap(err, "failed to create route account-level endpoint")
+	}
+	accountVnetsEndpoint, err := url.Parse(fmt.Sprintf("%s/accounts/%s/teamnet/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")
+	}
+	httpTransport := http.Transport{
+		TLSHandshakeTimeout:   defaultTimeout,
+		ResponseHeaderTimeout: defaultTimeout,
+	}
+	http2.ConfigureTransport(&httpTransport)
+	return &RESTClient{
+		baseEndpoints: &baseEndpoints{
+			accountLevel:  *accountLevelEndpoint,
+			zoneLevel:     *zoneLevelEndpoint,
+			accountRoutes: *accountRoutesEndpoint,
+			accountVnets:  *accountVnetsEndpoint,
+		},
+		authToken: authToken,
+		userAgent: userAgent,
+		client: http.Client{
+			Transport: &httpTransport,
+			Timeout:   defaultTimeout,
+		},
+		log: log,
+	}, nil
+}
+
+func (r *RESTClient) sendRequest(method string, url url.URL, body interface{}) (*http.Response, error) {
+	var bodyReader io.Reader
+	if body != nil {
+		if bodyBytes, err := json.Marshal(body); err != nil {
+			return nil, errors.Wrap(err, "failed to serialize json body")
+		} else {
+			bodyReader = bytes.NewBuffer(bodyBytes)
+		}
+	}
+
+	req, err := http.NewRequest(method, url.String(), bodyReader)
+	if err != nil {
+		return nil, errors.Wrapf(err, "can't create %s request", method)
+	}
+	req.Header.Set("User-Agent", r.userAgent)
+	if bodyReader != nil {
+		req.Header.Set("Content-Type", jsonContentType)
+	}
+	req.Header.Add("X-Auth-User-Service-Key", r.authToken)
+	req.Header.Add("Accept", "application/json;version=1")
+	return r.client.Do(req)
+}
+
+func parseResponse(reader io.Reader, data interface{}) error {
+	// Schema for Tunnelstore responses in the v1 API.
+	// Roughly, it's a wrapper around a particular result that adds failures/errors/etc
+	var result response
+	// First, parse the wrapper and check the API call succeeded
+	if err := json.NewDecoder(reader).Decode(&result); err != nil {
+		return errors.Wrap(err, "failed to decode response")
+	}
+	if err := result.checkErrors(); err != nil {
+		return err
+	}
+	if !result.Success {
+		return ErrAPINoSuccess
+	}
+	// At this point we know the API call succeeded, so, parse out the inner
+	// result into the datatype provided as a parameter.
+	if err := json.Unmarshal(result.Result, &data); err != nil {
+		return errors.Wrap(err, "the Cloudflare API response was an unexpected type")
+	}
+	return nil
+}
+
+type response struct {
+	Success  bool            `json:"success,omitempty"`
+	Errors   []apiErr        `json:"errors,omitempty"`
+	Messages []string        `json:"messages,omitempty"`
+	Result   json.RawMessage `json:"result,omitempty"`
+}
+
+func (r *response) checkErrors() error {
+	if len(r.Errors) == 0 {
+		return nil
+	}
+	if len(r.Errors) == 1 {
+		return r.Errors[0]
+	}
+	var messages string
+	for _, e := range r.Errors {
+		messages += fmt.Sprintf("%s; ", e)
+	}
+	return fmt.Errorf("API errors: %s", messages)
+}
+
+type apiErr struct {
+	Code    json.Number `json:"code,omitempty"`
+	Message string      `json:"message,omitempty"`
+}
+
+func (e apiErr) Error() string {
+	return fmt.Sprintf("code: %v, reason: %s", e.Code, e.Message)
+}
+
+func (r *RESTClient) statusCodeToError(op string, resp *http.Response) error {
+	if resp.Header.Get("Content-Type") == "application/json" {
+		var errorsResp response
+		if json.NewDecoder(resp.Body).Decode(&errorsResp) == nil {
+			if err := errorsResp.checkErrors(); err != nil {
+				return errors.Errorf("Failed to %s: %s", op, err)
+			}
+		}
+	}
+
+	switch resp.StatusCode {
+	case http.StatusOK:
+		return nil
+	case http.StatusBadRequest:
+		return ErrBadRequest
+	case http.StatusUnauthorized, http.StatusForbidden:
+		return ErrUnauthorized
+	case http.StatusNotFound:
+		return ErrNotFound
+	}
+	return errors.Errorf("API call to %s failed with status %d: %s", op,
+		resp.StatusCode, http.StatusText(resp.StatusCode))
+}
--- a/cfapi/client.go
+++ b/cfapi/client.go
@@ -0,0 +1,39 @@
+package cfapi
+
+import (
+	"github.com/google/uuid"
+)
+
+type TunnelClient interface {
+	CreateTunnel(name string, tunnelSecret []byte) (*Tunnel, error)
+	GetTunnel(tunnelID uuid.UUID) (*Tunnel, error)
+	DeleteTunnel(tunnelID uuid.UUID) error
+	ListTunnels(filter *TunnelFilter) ([]*Tunnel, error)
+	ListActiveClients(tunnelID uuid.UUID) ([]*ActiveClient, error)
+	CleanupConnections(tunnelID uuid.UUID, params *CleanupParams) error
+}
+
+type HostnameClient interface {
+	RouteTunnel(tunnelID uuid.UUID, route HostnameRoute) (HostnameRouteResult, error)
+}
+
+type IPRouteClient interface {
+	ListRoutes(filter *IpRouteFilter) ([]*DetailedRoute, error)
+	AddRoute(newRoute NewRoute) (Route, error)
+	DeleteRoute(params DeleteRouteParams) error
+	GetByIP(params GetRouteByIpParams) (DetailedRoute, error)
+}
+
+type VnetClient interface {
+	CreateVirtualNetwork(newVnet NewVirtualNetwork) (VirtualNetwork, error)
+	ListVirtualNetworks(filter *VnetFilter) ([]*VirtualNetwork, error)
+	DeleteVirtualNetwork(id uuid.UUID) error
+	UpdateVirtualNetwork(id uuid.UUID, updates UpdateVirtualNetwork) error
+}
+
+type Client interface {
+	TunnelClient
+	HostnameClient
+	IPRouteClient
+	VnetClient
+}
--- a/cfapi/hostname.go
+++ b/cfapi/hostname.go
@@ -0,0 +1,192 @@
+package cfapi
+
+import (
+	"encoding/json"
+	"fmt"
+	"io"
+	"net/http"
+	"path"
+
+	"github.com/google/uuid"
+	"github.com/pkg/errors"
+)
+
+type Change = string
+
+const (
+	ChangeNew       = "new"
+	ChangeUpdated   = "updated"
+	ChangeUnchanged = "unchanged"
+)
+
+// HostnameRoute represents a record type that can route to a tunnel
+type HostnameRoute interface {
+	json.Marshaler
+	RecordType() string
+	UnmarshalResult(body io.Reader) (HostnameRouteResult, error)
+	String() string
+}
+
+type HostnameRouteResult interface {
+	// SuccessSummary explains what will route to this tunnel when it's provisioned successfully
+	SuccessSummary() string
+}
+
+type DNSRoute struct {
+	userHostname      string
+	overwriteExisting bool
+}
+
+type DNSRouteResult struct {
+	route *DNSRoute
+	CName Change `json:"cname"`
+	Name  string `json:"name"`
+}
+
+func NewDNSRoute(userHostname string, overwriteExisting bool) HostnameRoute {
+	return &DNSRoute{
+		userHostname:      userHostname,
+		overwriteExisting: overwriteExisting,
+	}
+}
+
+func (dr *DNSRoute) MarshalJSON() ([]byte, error) {
+	s := struct {
+		Type              string `json:"type"`
+		UserHostname      string `json:"user_hostname"`
+		OverwriteExisting bool   `json:"overwrite_existing"`
+	}{
+		Type:              dr.RecordType(),
+		UserHostname:      dr.userHostname,
+		OverwriteExisting: dr.overwriteExisting,
+	}
+	return json.Marshal(&s)
+}
+
+func (dr *DNSRoute) UnmarshalResult(body io.Reader) (HostnameRouteResult, error) {
+	var result DNSRouteResult
+	err := parseResponse(body, &result)
+	result.route = dr
+	return &result, err
+}
+
+func (dr *DNSRoute) RecordType() string {
+	return "dns"
+}
+
+func (dr *DNSRoute) String() string {
+	return fmt.Sprintf("%s %s", dr.RecordType(), dr.userHostname)
+}
+
+func (res *DNSRouteResult) SuccessSummary() string {
+	var msgFmt string
+	switch res.CName {
+	case ChangeNew:
+		msgFmt = "Added CNAME %s which will route to this tunnel"
+	case ChangeUpdated: // this is not currently returned by tunnelsore
+		msgFmt = "%s updated to route to your tunnel"
+	case ChangeUnchanged:
+		msgFmt = "%s is already configured to route to your tunnel"
+	}
+	return fmt.Sprintf(msgFmt, res.hostname())
+}
+
+// hostname yields the resulting name for the DNS route; if that is not available from Cloudflare API, then the
+// requested name is returned instead (should not be the common path, it is just a fall-back).
+func (res *DNSRouteResult) hostname() string {
+	if res.Name != "" {
+		return res.Name
+	}
+	return res.route.userHostname
+}
+
+type LBRoute struct {
+	lbName string
+	lbPool string
+}
+
+type LBRouteResult struct {
+	route        *LBRoute
+	LoadBalancer Change `json:"load_balancer"`
+	Pool         Change `json:"pool"`
+}
+
+func NewLBRoute(lbName, lbPool string) HostnameRoute {
+	return &LBRoute{
+		lbName: lbName,
+		lbPool: lbPool,
+	}
+}
+
+func (lr *LBRoute) MarshalJSON() ([]byte, error) {
+	s := struct {
+		Type   string `json:"type"`
+		LBName string `json:"lb_name"`
+		LBPool string `json:"lb_pool"`
+	}{
+		Type:   lr.RecordType(),
+		LBName: lr.lbName,
+		LBPool: lr.lbPool,
+	}
+	return json.Marshal(&s)
+}
+
+func (lr *LBRoute) RecordType() string {
+	return "lb"
+}
+
+func (lb *LBRoute) String() string {
+	return fmt.Sprintf("%s %s %s", lb.RecordType(), lb.lbName, lb.lbPool)
+}
+
+func (lr *LBRoute) UnmarshalResult(body io.Reader) (HostnameRouteResult, error) {
+	var result LBRouteResult
+	err := parseResponse(body, &result)
+	result.route = lr
+	return &result, err
+}
+
+func (res *LBRouteResult) SuccessSummary() string {
+	var msg string
+	switch res.LoadBalancer + "," + res.Pool {
+	case "new,new":
+		msg = "Created load balancer %s and added a new pool %s with this tunnel as an origin"
+	case "new,updated":
+		msg = "Created load balancer %s with an existing pool %s which was updated to use this tunnel as an origin"
+	case "new,unchanged":
+		msg = "Created load balancer %s with an existing pool %s which already has this tunnel as an origin"
+	case "updated,new":
+		msg = "Added new pool %[2]s with this tunnel as an origin to load balancer %[1]s"
+	case "updated,updated":
+		msg = "Updated pool %[2]s to use this tunnel as an origin and added it to load balancer %[1]s"
+	case "updated,unchanged":
+		msg = "Added pool %[2]s, which already has this tunnel as an origin, to load balancer %[1]s"
+	case "unchanged,updated":
+		msg = "Added this tunnel as an origin in pool %[2]s which is already used by load balancer %[1]s"
+	case "unchanged,unchanged":
+		msg = "Load balancer %s already uses pool %s which has this tunnel as an origin"
+	case "unchanged,new":
+		// this state is not possible
+		fallthrough
+	default:
+		msg = "Something went wrong: failed to modify load balancer %s with pool %s; please check traffic manager configuration in the dashboard"
+	}
+
+	return fmt.Sprintf(msg, res.route.lbName, res.route.lbPool)
+}
+
+func (r *RESTClient) RouteTunnel(tunnelID uuid.UUID, route HostnameRoute) (HostnameRouteResult, error) {
+	endpoint := r.baseEndpoints.zoneLevel
+	endpoint.Path = path.Join(endpoint.Path, fmt.Sprintf("%v/routes", tunnelID))
+	resp, err := r.sendRequest("PUT", endpoint, route)
+	if err != nil {
+		return nil, errors.Wrap(err, "REST request failed")
+	}
+	defer resp.Body.Close()
+
+	if resp.StatusCode == http.StatusOK {
+		return route.UnmarshalResult(resp.Body)
+	}
+
+	return nil, r.statusCodeToError("add route", resp)
+}
--- a/cfapi/hostname_test.go
+++ b/cfapi/hostname_test.go
@@ -0,0 +1,99 @@
+package cfapi
+
+import (
+	"strings"
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+)
+
+func TestDNSRouteUnmarshalResult(t *testing.T) {
+	route := &DNSRoute{
+		userHostname: "example.com",
+	}
+
+	result, err := route.UnmarshalResult(strings.NewReader(`{"success": true, "result": {"cname": "new"}}`))
+
+	assert.NoError(t, err)
+	assert.Equal(t, &DNSRouteResult{
+		route: route,
+		CName: ChangeNew,
+	}, result)
+
+	badJSON := []string{
+		`abc`,
+		`{"success": false, "result": {"cname": "new"}}`,
+		`{"errors": [{"code": 1003, "message":"An A, AAAA or CNAME record already exists with that host"}], "result": {"cname": "new"}}`,
+		`{"errors": [{"code": 1003, "message":"An A, AAAA or CNAME record already exists with that host"}, {"code": 1004, "message":"Cannot use tunnel as origin for non-proxied load balancer"}], "result": {"cname": "new"}}`,
+		`{"result": {"cname": "new"}}`,
+		`{"result": {"cname": "new"}}`,
+	}
+
+	for _, j := range badJSON {
+		_, err = route.UnmarshalResult(strings.NewReader(j))
+		assert.NotNil(t, err)
+	}
+}
+
+func TestLBRouteUnmarshalResult(t *testing.T) {
+	route := &LBRoute{
+		lbName: "lb.example.com",
+		lbPool: "pool",
+	}
+
+	result, err := route.UnmarshalResult(strings.NewReader(`{"success": true, "result": {"pool": "unchanged", "load_balancer": "updated"}}`))
+
+	assert.NoError(t, err)
+	assert.Equal(t, &LBRouteResult{
+		route:        route,
+		LoadBalancer: ChangeUpdated,
+		Pool:         ChangeUnchanged,
+	}, result)
+
+	badJSON := []string{
+		`abc`,
+		`{"success": false, "result": {"pool": "unchanged", "load_balancer": "updated"}}`,
+		`{"errors": [{"code": 1003, "message":"An A, AAAA or CNAME record already exists with that host"}], "result": {"pool": "unchanged", "load_balancer": "updated"}}`,
+		`{"errors": [{"code": 1003, "message":"An A, AAAA or CNAME record already exists with that host"}, {"code": 1004, "message":"Cannot use tunnel as origin for non-proxied load balancer"}], "result": {"pool": "unchanged", "load_balancer": "updated"}}`,
+		`{"result": {"pool": "unchanged", "load_balancer": "updated"}}`,
+	}
+
+	for _, j := range badJSON {
+		_, err = route.UnmarshalResult(strings.NewReader(j))
+		assert.NotNil(t, err)
+	}
+}
+
+func TestLBRouteResultSuccessSummary(t *testing.T) {
+	route := &LBRoute{
+		lbName: "lb.example.com",
+		lbPool: "POOL",
+	}
+
+	tests := []struct {
+		lb       Change
+		pool     Change
+		expected string
+	}{
+		{ChangeNew, ChangeNew, "Created load balancer lb.example.com and added a new pool POOL with this tunnel as an origin"},
+		{ChangeNew, ChangeUpdated, "Created load balancer lb.example.com with an existing pool POOL which was updated to use this tunnel as an origin"},
+		{ChangeNew, ChangeUnchanged, "Created load balancer lb.example.com with an existing pool POOL which already has this tunnel as an origin"},
+		{ChangeUpdated, ChangeNew, "Added new pool POOL with this tunnel as an origin to load balancer lb.example.com"},
+		{ChangeUpdated, ChangeUpdated, "Updated pool POOL to use this tunnel as an origin and added it to load balancer lb.example.com"},
+		{ChangeUpdated, ChangeUnchanged, "Added pool POOL, which already has this tunnel as an origin, to load balancer lb.example.com"},
+		{ChangeUnchanged, ChangeNew, "Something went wrong: failed to modify load balancer lb.example.com with pool POOL; please check traffic manager configuration in the dashboard"},
+		{ChangeUnchanged, ChangeUpdated, "Added this tunnel as an origin in pool POOL which is already used by load balancer lb.example.com"},
+		{ChangeUnchanged, ChangeUnchanged, "Load balancer lb.example.com already uses pool POOL which has this tunnel as an origin"},
+		{"", "", "Something went wrong: failed to modify load balancer lb.example.com with pool POOL; please check traffic manager configuration in the dashboard"},
+		{"a", "b", "Something went wrong: failed to modify load balancer lb.example.com with pool POOL; please check traffic manager configuration in the dashboard"},
+	}
+	for i, tt := range tests {
+		res := &LBRouteResult{
+			route:        route,
+			LoadBalancer: tt.lb,
+			Pool:         tt.pool,
+		}
+		actual := res.SuccessSummary()
+		assert.Equal(t, tt.expected, actual, "case %d", i+1)
+	}
+}
--- a/cfapi/ip_route.go
+++ b/cfapi/ip_route.go
@@ -0,0 +1,240 @@
+package cfapi
+
+import (
+	"encoding/json"
+	"fmt"
+	"io"
+	"net"
+	"net/http"
+	"net/url"
+	"path"
+	"time"
+
+	"github.com/google/uuid"
+	"github.com/pkg/errors"
+)
+
+// Route is a mapping from customer's IP space to a tunnel.
+// Each route allows the customer to route eyeballs in their corporate network
+// to certain private IP ranges. Each Route represents an IP range in their
+// network, and says that eyeballs can reach that route using the corresponding
+// tunnel.
+type Route struct {
+	Network  CIDR      `json:"network"`
+	TunnelID uuid.UUID `json:"tunnel_id"`
+	// Optional field. When unset, it means the Route belongs to the default virtual network.
+	VNetID    *uuid.UUID `json:"virtual_network_id,omitempty"`
+	Comment   string     `json:"comment"`
+	CreatedAt time.Time  `json:"created_at"`
+	DeletedAt time.Time  `json:"deleted_at"`
+}
+
+// CIDR is just a newtype wrapper around net.IPNet. It adds JSON unmarshalling.
+type CIDR net.IPNet
+
+func (c CIDR) String() string {
+	n := net.IPNet(c)
+	return n.String()
+}
+
+func (c CIDR) MarshalJSON() ([]byte, error) {
+	str := c.String()
+	json, err := json.Marshal(str)
+	if err != nil {
+		return nil, errors.Wrap(err, "error serializing CIDR into JSON")
+	}
+	return json, nil
+}
+
+// UnmarshalJSON parses a JSON string into net.IPNet
+func (c *CIDR) UnmarshalJSON(data []byte) error {
+	var s string
+	if err := json.Unmarshal(data, &s); err != nil {
+		return errors.Wrap(err, "error parsing cidr string")
+	}
+	_, network, err := net.ParseCIDR(s)
+	if err != nil {
+		return errors.Wrap(err, "error parsing invalid network from backend")
+	}
+	if network == nil {
+		return fmt.Errorf("backend returned invalid network %s", s)
+	}
+	*c = CIDR(*network)
+	return nil
+}
+
+// NewRoute has all the parameters necessary to add a new route to the table.
+type NewRoute struct {
+	Network  net.IPNet
+	TunnelID uuid.UUID
+	Comment  string
+	// Optional field. If unset, backend will assume the default vnet for the account.
+	VNetID *uuid.UUID
+}
+
+// MarshalJSON handles fields with non-JSON types (e.g. net.IPNet).
+func (r NewRoute) MarshalJSON() ([]byte, error) {
+	return json.Marshal(&struct {
+		TunnelID uuid.UUID  `json:"tunnel_id"`
+		Comment  string     `json:"comment"`
+		VNetID   *uuid.UUID `json:"virtual_network_id,omitempty"`
+	}{
+		TunnelID: r.TunnelID,
+		Comment:  r.Comment,
+		VNetID:   r.VNetID,
+	})
+}
+
+// DetailedRoute is just a Route with some extra fields, e.g. TunnelName.
+type DetailedRoute struct {
+	Network  CIDR      `json:"network"`
+	TunnelID uuid.UUID `json:"tunnel_id"`
+	// Optional field. When unset, it means the DetailedRoute belongs to the default virtual network.
+	VNetID     *uuid.UUID `json:"virtual_network_id,omitempty"`
+	Comment    string     `json:"comment"`
+	CreatedAt  time.Time  `json:"created_at"`
+	DeletedAt  time.Time  `json:"deleted_at"`
+	TunnelName string     `json:"tunnel_name"`
+}
+
+// IsZero checks if DetailedRoute is the zero value.
+func (r *DetailedRoute) IsZero() bool {
+	return r.TunnelID == uuid.Nil
+}
+
+// TableString outputs a table row summarizing the route, to be used
+// when showing the user their routing table.
+func (r DetailedRoute) TableString() string {
+	deletedColumn := "-"
+	if !r.DeletedAt.IsZero() {
+		deletedColumn = r.DeletedAt.Format(time.RFC3339)
+	}
+	vnetColumn := "default"
+	if r.VNetID != nil {
+		vnetColumn = r.VNetID.String()
+	}
+
+	return fmt.Sprintf(
+		"%s\t%s\t%s\t%s\t%s\t%s\t%s\t",
+		r.Network.String(),
+		vnetColumn,
+		r.Comment,
+		r.TunnelID,
+		r.TunnelName,
+		r.CreatedAt.Format(time.RFC3339),
+		deletedColumn,
+	)
+}
+
+type DeleteRouteParams struct {
+	Network net.IPNet
+	// Optional field. If unset, backend will assume the default vnet for the account.
+	VNetID *uuid.UUID
+}
+
+type GetRouteByIpParams struct {
+	Ip net.IP
+	// Optional field. If unset, backend will assume the default vnet for the account.
+	VNetID *uuid.UUID
+}
+
+// ListRoutes calls the Tunnelstore GET endpoint for all routes under an account.
+func (r *RESTClient) ListRoutes(filter *IpRouteFilter) ([]*DetailedRoute, error) {
+	endpoint := r.baseEndpoints.accountRoutes
+	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 parseListDetailedRoutes(resp.Body)
+	}
+
+	return nil, r.statusCodeToError("list routes", resp)
+}
+
+// AddRoute calls the Tunnelstore POST endpoint for a given route.
+func (r *RESTClient) AddRoute(newRoute NewRoute) (Route, error) {
+	endpoint := r.baseEndpoints.accountRoutes
+	endpoint.Path = path.Join(endpoint.Path, "network", url.PathEscape(newRoute.Network.String()))
+	resp, err := r.sendRequest("POST", endpoint, newRoute)
+	if err != nil {
+		return Route{}, errors.Wrap(err, "REST request failed")
+	}
+	defer resp.Body.Close()
+
+	if resp.StatusCode == http.StatusOK {
+		return parseRoute(resp.Body)
+	}
+
+	return Route{}, r.statusCodeToError("add route", resp)
+}
+
+// DeleteRoute calls the Tunnelstore DELETE endpoint for a given route.
+func (r *RESTClient) DeleteRoute(params DeleteRouteParams) error {
+	endpoint := r.baseEndpoints.accountRoutes
+	endpoint.Path = path.Join(endpoint.Path, "network", url.PathEscape(params.Network.String()))
+	setVnetParam(&endpoint, params.VNetID)
+
+	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 := parseRoute(resp.Body)
+		return err
+	}
+
+	return r.statusCodeToError("delete route", resp)
+}
+
+// GetByIP checks which route will proxy a given IP.
+func (r *RESTClient) GetByIP(params GetRouteByIpParams) (DetailedRoute, error) {
+	endpoint := r.baseEndpoints.accountRoutes
+	endpoint.Path = path.Join(endpoint.Path, "ip", url.PathEscape(params.Ip.String()))
+	setVnetParam(&endpoint, params.VNetID)
+
+	resp, err := r.sendRequest("GET", endpoint, nil)
+	if err != nil {
+		return DetailedRoute{}, errors.Wrap(err, "REST request failed")
+	}
+	defer resp.Body.Close()
+
+	if resp.StatusCode == http.StatusOK {
+		return parseDetailedRoute(resp.Body)
+	}
+
+	return DetailedRoute{}, r.statusCodeToError("get route by IP", resp)
+}
+
+func parseListDetailedRoutes(body io.ReadCloser) ([]*DetailedRoute, error) {
+	var routes []*DetailedRoute
+	err := parseResponse(body, &routes)
+	return routes, err
+}
+
+func parseRoute(body io.ReadCloser) (Route, error) {
+	var route Route
+	err := parseResponse(body, &route)
+	return route, err
+}
+
+func parseDetailedRoute(body io.ReadCloser) (DetailedRoute, error) {
+	var route DetailedRoute
+	err := parseResponse(body, &route)
+	return route, err
+}
+
+// setVnetParam overwrites the URL's query parameters with a query param to scope the HostnameRoute action to a certain
+// virtual network (if one is provided).
+func setVnetParam(endpoint *url.URL, vnetID *uuid.UUID) {
+	queryParams := url.Values{}
+	if vnetID != nil {
+		queryParams.Set("virtual_network_id", vnetID.String())
+	}
+	endpoint.RawQuery = queryParams.Encode()
+}
--- a/cfapi/ip_route_filter.go
+++ b/cfapi/ip_route_filter.go
@@ -0,0 +1,165 @@
+package cfapi
+
+import (
+	"fmt"
+	"net"
+	"net/url"
+	"strconv"
+	"time"
+
+	"github.com/google/uuid"
+	"github.com/pkg/errors"
+	"github.com/urfave/cli/v2"
+)
+
+var (
+	filterIpRouteDeleted = cli.BoolFlag{
+		Name:  "filter-is-deleted",
+		Usage: "If false (default), only show non-deleted routes. If true, only show deleted routes.",
+	}
+	filterIpRouteTunnelID = cli.StringFlag{
+		Name:  "filter-tunnel-id",
+		Usage: "Show only routes with the given tunnel ID.",
+	}
+	filterSubsetIpRoute = cli.StringFlag{
+		Name:    "filter-network-is-subset-of",
+		Aliases: []string{"nsub"},
+		Usage:   "Show only routes whose network is a subset of the given network.",
+	}
+	filterSupersetIpRoute = cli.StringFlag{
+		Name:    "filter-network-is-superset-of",
+		Aliases: []string{"nsup"},
+		Usage:   "Show only routes whose network is a superset of the given network.",
+	}
+	filterIpRouteComment = cli.StringFlag{
+		Name:  "filter-comment-is",
+		Usage: "Show only routes with this comment.",
+	}
+	filterIpRouteByVnet = cli.StringFlag{
+		Name:  "filter-virtual-network-id",
+		Usage: "Show only routes that are attached to the given virtual network ID.",
+	}
+
+	// Flags contains all filter flags.
+	IpRouteFilterFlags = []cli.Flag{
+		&filterIpRouteDeleted,
+		&filterIpRouteTunnelID,
+		&filterSubsetIpRoute,
+		&filterSupersetIpRoute,
+		&filterIpRouteComment,
+		&filterIpRouteByVnet,
+	}
+)
+
+// IpRouteFilter which routes get queried.
+type IpRouteFilter struct {
+	queryParams url.Values
+}
+
+// NewIpRouteFilterFromCLI parses CLI flags to discover which filters should get applied.
+func NewIpRouteFilterFromCLI(c *cli.Context) (*IpRouteFilter, error) {
+	f := &IpRouteFilter{
+		queryParams: url.Values{},
+	}
+
+	// Set deletion filter
+	if flag := filterIpRouteDeleted.Name; c.IsSet(flag) && c.Bool(flag) {
+		f.deleted()
+	} else {
+		f.notDeleted()
+	}
+
+	if subset, err := cidrFromFlag(c, filterSubsetIpRoute); err != nil {
+		return nil, err
+	} else if subset != nil {
+		f.networkIsSupersetOf(*subset)
+	}
+
+	if superset, err := cidrFromFlag(c, filterSupersetIpRoute); err != nil {
+		return nil, err
+	} else if superset != nil {
+		f.networkIsSupersetOf(*superset)
+	}
+
+	if comment := c.String(filterIpRouteComment.Name); comment != "" {
+		f.commentIs(comment)
+	}
+
+	if tunnelID := c.String(filterIpRouteTunnelID.Name); tunnelID != "" {
+		u, err := uuid.Parse(tunnelID)
+		if err != nil {
+			return nil, errors.Wrapf(err, "Couldn't parse UUID from %s", filterIpRouteTunnelID.Name)
+		}
+		f.tunnelID(u)
+	}
+
+	if vnetId := c.String(filterIpRouteByVnet.Name); vnetId != "" {
+		u, err := uuid.Parse(vnetId)
+		if err != nil {
+			return nil, errors.Wrapf(err, "Couldn't parse UUID from %s", filterIpRouteByVnet.Name)
+		}
+		f.vnetID(u)
+	}
+
+	if maxFetch := c.Int("max-fetch-size"); maxFetch > 0 {
+		f.MaxFetchSize(uint(maxFetch))
+	}
+
+	return f, nil
+}
+
+// Parses a CIDR from the flag. If the flag was unset, returns (nil, nil).
+func cidrFromFlag(c *cli.Context, flag cli.StringFlag) (*net.IPNet, error) {
+	if !c.IsSet(flag.Name) {
+		return nil, nil
+	}
+
+	_, subset, err := net.ParseCIDR(c.String(flag.Name))
+	if err != nil {
+		return nil, err
+	} else if subset == nil {
+		return nil, fmt.Errorf("Invalid CIDR supplied for %s", flag.Name)
+	}
+
+	return subset, nil
+}
+
+func (f *IpRouteFilter) commentIs(comment string) {
+	f.queryParams.Set("comment", comment)
+}
+
+func (f *IpRouteFilter) notDeleted() {
+	f.queryParams.Set("is_deleted", "false")
+}
+
+func (f *IpRouteFilter) deleted() {
+	f.queryParams.Set("is_deleted", "true")
+}
+
+func (f *IpRouteFilter) networkIsSubsetOf(superset net.IPNet) {
+	f.queryParams.Set("network_subset", superset.String())
+}
+
+func (f *IpRouteFilter) networkIsSupersetOf(subset net.IPNet) {
+	f.queryParams.Set("network_superset", subset.String())
+}
+
+func (f *IpRouteFilter) existedAt(existedAt time.Time) {
+	f.queryParams.Set("existed_at", existedAt.Format(time.RFC3339))
+}
+
+func (f *IpRouteFilter) tunnelID(id uuid.UUID) {
+	f.queryParams.Set("tunnel_id", id.String())
+}
+
+func (f *IpRouteFilter) vnetID(id uuid.UUID) {
+	f.queryParams.Set("virtual_network_id", id.String())
+}
+
+func (f *IpRouteFilter) MaxFetchSize(max uint) {
+	f.queryParams.Set("per_page", strconv.Itoa(int(max)))
+}
+
+func (f IpRouteFilter) Encode() string {
+	return f.queryParams.Encode()
+}
--- a/cfapi/ip_route_test.go
+++ b/cfapi/ip_route_test.go
@@ -0,0 +1,175 @@
+package cfapi
+
+import (
+	"encoding/json"
+	"fmt"
+	"net"
+	"strings"
+	"testing"
+
+	"github.com/google/uuid"
+	"github.com/stretchr/testify/require"
+)
+
+func TestUnmarshalRoute(t *testing.T) {
+	testCases := []struct {
+		Json    string
+		HasVnet bool
+	}{
+		{
+			`{
+				"network":"10.1.2.40/29",
+				"tunnel_id":"fba6ffea-807f-4e7a-a740-4184ee1b82c8",
+				"comment":"test",
+				"created_at":"2020-12-22T02:00:15.587008Z",
+				"deleted_at":null
+			}`,
+			false,
+		},
+		{
+			`{
+				"network":"10.1.2.40/29",
+				"tunnel_id":"fba6ffea-807f-4e7a-a740-4184ee1b82c8",
+				"comment":"test",
+				"created_at":"2020-12-22T02:00:15.587008Z",
+				"deleted_at":null,
+				"virtual_network_id":"38c95083-8191-4110-8339-3f438d44fdb9"
+			}`,
+			true,
+		},
+	}
+
+	for _, testCase := range testCases {
+		data := testCase.Json
+
+		var r Route
+		err := json.Unmarshal([]byte(data), &r)
+
+		// Check everything worked
+		require.NoError(t, err)
+		require.Equal(t, uuid.MustParse("fba6ffea-807f-4e7a-a740-4184ee1b82c8"), r.TunnelID)
+		require.Equal(t, "test", r.Comment)
+		_, cidr, err := net.ParseCIDR("10.1.2.40/29")
+		require.NoError(t, err)
+		require.Equal(t, CIDR(*cidr), r.Network)
+		require.Equal(t, "test", r.Comment)
+
+		if testCase.HasVnet {
+			require.Equal(t, uuid.MustParse("38c95083-8191-4110-8339-3f438d44fdb9"), *r.VNetID)
+		} else {
+			require.Nil(t, r.VNetID)
+		}
+	}
+}
+
+func TestDetailedRouteJsonRoundtrip(t *testing.T) {
+	testCases := []struct {
+		Json    string
+		HasVnet bool
+	}{
+		{
+			`{
+				"network":"10.1.2.40/29",
+				"tunnel_id":"fba6ffea-807f-4e7a-a740-4184ee1b82c8",
+				"comment":"test",
+				"created_at":"2020-12-22T02:00:15.587008Z",
+				"deleted_at":"2021-01-14T05:01:42.183002Z",
+				"tunnel_name":"Mr. Tun"
+			}`,
+			false,
+		},
+		{
+			`{
+				"network":"10.1.2.40/29",
+				"tunnel_id":"fba6ffea-807f-4e7a-a740-4184ee1b82c8",
+				"virtual_network_id":"38c95083-8191-4110-8339-3f438d44fdb9",
+				"comment":"test",
+				"created_at":"2020-12-22T02:00:15.587008Z",
+				"deleted_at":"2021-01-14T05:01:42.183002Z",
+				"tunnel_name":"Mr. Tun"
+			}`,
+			true,
+		},
+	}
+
+	for _, testCase := range testCases {
+		data := testCase.Json
+
+		var r DetailedRoute
+		err := json.Unmarshal([]byte(data), &r)
+
+		// Check everything worked
+		require.NoError(t, err)
+		require.Equal(t, uuid.MustParse("fba6ffea-807f-4e7a-a740-4184ee1b82c8"), r.TunnelID)
+		require.Equal(t, "test", r.Comment)
+		_, cidr, err := net.ParseCIDR("10.1.2.40/29")
+		require.NoError(t, err)
+		require.Equal(t, CIDR(*cidr), r.Network)
+		require.Equal(t, "test", r.Comment)
+		require.Equal(t, "Mr. Tun", r.TunnelName)
+
+		if testCase.HasVnet {
+			require.Equal(t, uuid.MustParse("38c95083-8191-4110-8339-3f438d44fdb9"), *r.VNetID)
+		} else {
+			require.Nil(t, r.VNetID)
+		}
+
+		bytes, err := json.Marshal(r)
+		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 TestMarshalNewRoute(t *testing.T) {
+	_, network, err := net.ParseCIDR("1.2.3.4/32")
+	require.NoError(t, err)
+	require.NotNil(t, network)
+	vnetId := uuid.New()
+
+	newRoutes := []NewRoute{
+		{
+			Network:  *network,
+			TunnelID: uuid.New(),
+			Comment:  "hi",
+		},
+		{
+			Network:  *network,
+			TunnelID: uuid.New(),
+			Comment:  "hi",
+			VNetID:   &vnetId,
+		},
+	}
+
+	for _, newRoute := range newRoutes {
+		// Test where receiver is struct
+		serialized, err := json.Marshal(newRoute)
+		require.NoError(t, err)
+		require.True(t, strings.Contains(string(serialized), "tunnel_id"))
+
+		// Test where receiver is pointer to struct
+		serialized, err = json.Marshal(&newRoute)
+		require.NoError(t, err)
+		require.True(t, strings.Contains(string(serialized), "tunnel_id"))
+
+		if newRoute.VNetID == nil {
+			require.False(t, strings.Contains(string(serialized), "virtual_network_id"))
+		} else {
+			require.True(t, strings.Contains(string(serialized), "virtual_network_id"))
+		}
+	}
+}
+
+func TestRouteTableString(t *testing.T) {
+	_, network, err := net.ParseCIDR("1.2.3.4/32")
+	require.NoError(t, err)
+	require.NotNil(t, network)
+	r := DetailedRoute{
+		Network: CIDR(*network),
+	}
+	row := r.TableString()
+	fmt.Println(row)
+	require.True(t, strings.HasPrefix(row, "1.2.3.4/32"))
+}
--- a/cfapi/tunnel.go
+++ b/cfapi/tunnel.go
@@ -0,0 +1,183 @@
+package cfapi
+
+import (
+	"fmt"
+	"io"
+	"net"
+	"net/http"
+	"net/url"
+	"path"
+	"time"
+
+	"github.com/google/uuid"
+	"github.com/pkg/errors"
+)
+
+var ErrTunnelNameConflict = errors.New("tunnel with name already exists")
+
+type Tunnel struct {
+	ID          uuid.UUID    `json:"id"`
+	Name        string       `json:"name"`
+	CreatedAt   time.Time    `json:"created_at"`
+	DeletedAt   time.Time    `json:"deleted_at"`
+	Connections []Connection `json:"connections"`
+}
+
+type Connection struct {
+	ColoName           string    `json:"colo_name"`
+	ID                 uuid.UUID `json:"id"`
+	IsPendingReconnect bool      `json:"is_pending_reconnect"`
+	OriginIP           net.IP    `json:"origin_ip"`
+	OpenedAt           time.Time `json:"opened_at"`
+}
+
+type ActiveClient struct {
+	ID          uuid.UUID    `json:"id"`
+	Features    []string     `json:"features"`
+	Version     string       `json:"version"`
+	Arch        string       `json:"arch"`
+	RunAt       time.Time    `json:"run_at"`
+	Connections []Connection `json:"conns"`
+}
+
+type newTunnel struct {
+	Name         string `json:"name"`
+	TunnelSecret []byte `json:"tunnel_secret"`
+}
+
+type CleanupParams struct {
+	queryParams url.Values
+}
+
+func NewCleanupParams() *CleanupParams {
+	return &CleanupParams{
+		queryParams: url.Values{},
+	}
+}
+
+func (cp *CleanupParams) ForClient(clientID uuid.UUID) {
+	cp.queryParams.Set("client_id", clientID.String())
+}
+
+func (cp CleanupParams) encode() string {
+	return cp.queryParams.Encode()
+}
+
+func (r *RESTClient) CreateTunnel(name string, tunnelSecret []byte) (*Tunnel, error) {
+	if name == "" {
+		return nil, errors.New("tunnel name required")
+	}
+	if _, err := uuid.Parse(name); err == nil {
+		return nil, errors.New("you cannot use UUIDs as tunnel names")
+	}
+	body := &newTunnel{
+		Name:         name,
+		TunnelSecret: tunnelSecret,
+	}
+
+	resp, err := r.sendRequest("POST", r.baseEndpoints.accountLevel, body)
+	if err != nil {
+		return nil, errors.Wrap(err, "REST request failed")
+	}
+	defer resp.Body.Close()
+
+	switch resp.StatusCode {
+	case http.StatusOK:
+		return unmarshalTunnel(resp.Body)
+	case http.StatusConflict:
+		return nil, ErrTunnelNameConflict
+	}
+
+	return nil, r.statusCodeToError("create tunnel", resp)
+}
+
+func (r *RESTClient) GetTunnel(tunnelID uuid.UUID) (*Tunnel, error) {
+	endpoint := r.baseEndpoints.accountLevel
+	endpoint.Path = path.Join(endpoint.Path, fmt.Sprintf("%v", tunnelID))
+	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 unmarshalTunnel(resp.Body)
+	}
+
+	return nil, r.statusCodeToError("get tunnel", resp)
+}
+
+func (r *RESTClient) DeleteTunnel(tunnelID uuid.UUID) error {
+	endpoint := r.baseEndpoints.accountLevel
+	endpoint.Path = path.Join(endpoint.Path, fmt.Sprintf("%v", tunnelID))
+	resp, err := r.sendRequest("DELETE", endpoint, nil)
+	if err != nil {
+		return errors.Wrap(err, "REST request failed")
+	}
+	defer resp.Body.Close()
+
+	return r.statusCodeToError("delete tunnel", resp)
+}
+
+func (r *RESTClient) ListTunnels(filter *TunnelFilter) ([]*Tunnel, error) {
+	endpoint := r.baseEndpoints.accountLevel
+	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 parseListTunnels(resp.Body)
+	}
+
+	return nil, r.statusCodeToError("list tunnels", resp)
+}
+
+func parseListTunnels(body io.ReadCloser) ([]*Tunnel, error) {
+	var tunnels []*Tunnel
+	err := parseResponse(body, &tunnels)
+	return tunnels, err
+}
+
+func (r *RESTClient) ListActiveClients(tunnelID uuid.UUID) ([]*ActiveClient, error) {
+	endpoint := r.baseEndpoints.accountLevel
+	endpoint.Path = path.Join(endpoint.Path, fmt.Sprintf("%v/connections", tunnelID))
+	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 parseConnectionsDetails(resp.Body)
+	}
+
+	return nil, r.statusCodeToError("list connection details", resp)
+}
+
+func parseConnectionsDetails(reader io.Reader) ([]*ActiveClient, error) {
+	var clients []*ActiveClient
+	err := parseResponse(reader, &clients)
+	return clients, err
+}
+
+func (r *RESTClient) CleanupConnections(tunnelID uuid.UUID, params *CleanupParams) error {
+	endpoint := r.baseEndpoints.accountLevel
+	endpoint.RawQuery = params.encode()
+	endpoint.Path = path.Join(endpoint.Path, fmt.Sprintf("%v/connections", tunnelID))
+	resp, err := r.sendRequest("DELETE", endpoint, nil)
+	if err != nil {
+		return errors.Wrap(err, "REST request failed")
+	}
+	defer resp.Body.Close()
+
+	return r.statusCodeToError("cleanup connections", resp)
+}
+
+func unmarshalTunnel(reader io.Reader) (*Tunnel, error) {
+	var tunnel Tunnel
+	err := parseResponse(reader, &tunnel)
+	return &tunnel, err
+}
--- a/cfapi/tunnel_filter.go
+++ b/cfapi/tunnel_filter.go
@@ -0,0 +1,55 @@
+package cfapi
+
+import (
+	"net/url"
+	"strconv"
+	"time"
+
+	"github.com/google/uuid"
+)
+
+const (
+	TimeLayout = time.RFC3339
+)
+
+type TunnelFilter struct {
+	queryParams url.Values
+}
+
+func NewTunnelFilter() *TunnelFilter {
+	return &TunnelFilter{
+		queryParams: url.Values{},
+	}
+}
+
+func (f *TunnelFilter) ByName(name string) {
+	f.queryParams.Set("name", name)
+}
+
+func (f *TunnelFilter) ByNamePrefix(namePrefix string) {
+	f.queryParams.Set("name_prefix", namePrefix)
+}
+
+func (f *TunnelFilter) ExcludeNameWithPrefix(excludePrefix string) {
+	f.queryParams.Set("exclude_prefix", excludePrefix)
+}
+
+func (f *TunnelFilter) NoDeleted() {
+	f.queryParams.Set("is_deleted", "false")
+}
+
+func (f *TunnelFilter) ByExistedAt(existedAt time.Time) {
+	f.queryParams.Set("existed_at", existedAt.Format(TimeLayout))
+}
+
+func (f *TunnelFilter) ByTunnelID(tunnelID uuid.UUID) {
+	f.queryParams.Set("uuid", tunnelID.String())
+}
+
+func (f *TunnelFilter) MaxFetchSize(max uint) {
+	f.queryParams.Set("per_page", strconv.Itoa(int(max)))
+}
+
+func (f TunnelFilter) encode() string {
+	return f.queryParams.Encode()
+}
--- a/cfapi/tunnel_test.go
+++ b/cfapi/tunnel_test.go
@@ -0,0 +1,149 @@
+package cfapi
+
+import (
+	"bytes"
+	"fmt"
+	"io/ioutil"
+	"net"
+	"reflect"
+	"strings"
+	"testing"
+	"time"
+
+	"github.com/google/uuid"
+	"github.com/stretchr/testify/assert"
+)
+
+var loc, _ = time.LoadLocation("UTC")
+
+func Test_parseListTunnels(t *testing.T) {
+	type args struct {
+		body string
+	}
+	tests := []struct {
+		name    string
+		args    args
+		want    []*Tunnel
+		wantErr bool
+	}{
+		{
+			name: "empty list",
+			args: args{body: `{"success": true, "result": []}`},
+			want: []*Tunnel{},
+		},
+		{
+			name:    "success is false",
+			args:    args{body: `{"success": false, "result": []}`},
+			wantErr: true,
+		},
+		{
+			name:    "errors are present",
+			args:    args{body: `{"errors": [{"code": 1003, "message":"An A, AAAA or CNAME record already exists with that host"}], "result": []}`},
+			wantErr: true,
+		},
+		{
+			name:    "invalid response",
+			args:    args{body: `abc`},
+			wantErr: true,
+		},
+	}
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			body := ioutil.NopCloser(bytes.NewReader([]byte(tt.args.body)))
+			got, err := parseListTunnels(body)
+			if (err != nil) != tt.wantErr {
+				t.Errorf("parseListTunnels() error = %v, wantErr %v", err, tt.wantErr)
+				return
+			}
+			if !reflect.DeepEqual(got, tt.want) {
+				t.Errorf("parseListTunnels() = %v, want %v", got, tt.want)
+			}
+		})
+	}
+}
+
+func Test_unmarshalTunnel(t *testing.T) {
+	type args struct {
+		body string
+	}
+	tests := []struct {
+		name    string
+		args    args
+		want    *Tunnel
+		wantErr bool
+	}{
+		{
+			name: "empty list",
+			args: args{body: `{"success": true, "result": {"id":"b34cc7ce-925b-46ee-bc23-4cb5c18d8292","created_at":"2021-07-29T13:46:14.090955Z","deleted_at":"2021-07-29T14:07:27.559047Z","name":"qt-bIWWN7D662ogh61pCPfu5s2XgqFY1OyV","account_id":6946212,"account_tag":"5ab4e9dfbd435d24068829fda0077963","conns_active_at":null,"conns_inactive_at":"2021-07-29T13:47:22.548482Z","tun_type":"cfd_tunnel","metadata":{"qtid":"a6fJROgkXutNruBGaJjD"}}}`},
+			want: &Tunnel{
+				ID:          uuid.MustParse("b34cc7ce-925b-46ee-bc23-4cb5c18d8292"),
+				Name:        "qt-bIWWN7D662ogh61pCPfu5s2XgqFY1OyV",
+				CreatedAt:   time.Date(2021, 07, 29, 13, 46, 14, 90955000, loc),
+				DeletedAt:   time.Date(2021, 07, 29, 14, 7, 27, 559047000, loc),
+				Connections: nil,
+			},
+		},
+	}
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			got, err := unmarshalTunnel(strings.NewReader(tt.args.body))
+			if (err != nil) != tt.wantErr {
+				t.Errorf("unmarshalTunnel() error = %v, wantErr %v", err, tt.wantErr)
+				return
+			}
+			if !reflect.DeepEqual(got, tt.want) {
+				t.Errorf("unmarshalTunnel() = %v, want %v", got, tt.want)
+			}
+		})
+	}
+}
+
+func TestUnmarshalTunnelOk(t *testing.T) {
+
+	jsonBody := `{"success": true, "result": {"id": "00000000-0000-0000-0000-000000000000","name":"test","created_at":"0001-01-01T00:00:00Z","connections":[]}}`
+	expected := Tunnel{
+		ID:          uuid.Nil,
+		Name:        "test",
+		CreatedAt:   time.Time{},
+		Connections: []Connection{},
+	}
+	actual, err := unmarshalTunnel(bytes.NewReader([]byte(jsonBody)))
+	assert.NoError(t, err)
+	assert.Equal(t, &expected, actual)
+}
+
+func TestUnmarshalTunnelErr(t *testing.T) {
+
+	tests := []string{
+		`abc`,
+		`{"success": true, "result": abc}`,
+		`{"success": false, "result": {"id": "00000000-0000-0000-0000-000000000000","name":"test","created_at":"0001-01-01T00:00:00Z","connections":[]}}}`,
+		`{"errors": [{"code": 1003, "message":"An A, AAAA or CNAME record already exists with that host"}], "result": {"id": "00000000-0000-0000-0000-000000000000","name":"test","created_at":"0001-01-01T00:00:00Z","connections":[]}}}`,
+	}
+
+	for i, test := range tests {
+		_, err := unmarshalTunnel(bytes.NewReader([]byte(test)))
+		assert.Error(t, err, fmt.Sprintf("Test #%v failed", i))
+	}
+}
+
+func TestUnmarshalConnections(t *testing.T) {
+	jsonBody := `{"success":true,"messages":[],"errors":[],"result":[{"id":"d4041254-91e3-4deb-bd94-b46e11680b1e","features":["ha-origin"],"version":"2021.2.5","arch":"darwin_amd64","conns":[{"colo_name":"LIS","id":"ac2286e5-c708-4588-a6a0-ba6b51940019","is_pending_reconnect":false,"origin_ip":"148.38.28.2","opened_at":"0001-01-01T00:00:00Z"}],"run_at":"0001-01-01T00:00:00Z"}]}`
+	expected := ActiveClient{
+		ID:       uuid.MustParse("d4041254-91e3-4deb-bd94-b46e11680b1e"),
+		Features: []string{"ha-origin"},
+		Version:  "2021.2.5",
+		Arch:     "darwin_amd64",
+		RunAt:    time.Time{},
+		Connections: []Connection{{
+			ID:                 uuid.MustParse("ac2286e5-c708-4588-a6a0-ba6b51940019"),
+			ColoName:           "LIS",
+			IsPendingReconnect: false,
+			OriginIP:           net.ParseIP("148.38.28.2"),
+			OpenedAt:           time.Time{},
+		}},
+	}
+	actual, err := parseConnectionsDetails(bytes.NewReader([]byte(jsonBody)))
+	assert.NoError(t, err)
+	assert.Equal(t, []*ActiveClient{&expected}, actual)
+}
--- a/cfapi/virtual_network.go
+++ b/cfapi/virtual_network.go
@@ -0,0 +1,127 @@
+package cfapi
+
+import (
+	"fmt"
+	"io"
+	"net/http"
+	"net/url"
+	"path"
+	"strconv"
+	"time"
+
+	"github.com/google/uuid"
+	"github.com/pkg/errors"
+)
+
+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,
+	)
+}
+
+func (r *RESTClient) CreateVirtualNetwork(newVnet NewVirtualNetwork) (VirtualNetwork, error) {
+	resp, err := r.sendRequest("POST", r.baseEndpoints.accountVnets, newVnet)
+	if err != nil {
+		return VirtualNetwork{}, errors.Wrap(err, "REST request failed")
+	}
+	defer resp.Body.Close()
+
+	if resp.StatusCode == http.StatusOK {
+		return parseVnet(resp.Body)
+	}
+
+	return VirtualNetwork{}, r.statusCodeToError("add virtual network", resp)
+}
+
+func (r *RESTClient) ListVirtualNetworks(filter *VnetFilter) ([]*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 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) ([]*VirtualNetwork, error) {
+	var vnets []*VirtualNetwork
+	err := parseResponse(body, &vnets)
+	return vnets, err
+}
+
+func parseVnet(body io.ReadCloser) (VirtualNetwork, error) {
+	var vnet VirtualNetwork
+	err := parseResponse(body, &vnet)
+	return vnet, err
+}
--- a/cfapi/virtual_network_filter.go
+++ b/cfapi/virtual_network_filter.go
@@ -0,0 +1,99 @@
+package cfapi
+
+import (
+	"net/url"
+	"strconv"
+
+	"github.com/google/uuid"
+	"github.com/pkg/errors"
+	"github.com/urfave/cli/v2"
+)
+
+var (
+	filterVnetId = cli.StringFlag{
+		Name:  "id",
+		Usage: "List virtual networks with the given `ID`",
+	}
+	filterVnetByName = cli.StringFlag{
+		Name:  "name",
+		Usage: "List virtual networks with the given `NAME`",
+	}
+	filterDefaultVnet = 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.",
+	}
+	filterDeletedVnet = cli.BoolFlag{
+		Name:  "show-deleted",
+		Usage: "If false (default), only show non-deleted virtual networks. If true, only show deleted virtual networks.",
+	}
+	VnetFilterFlags = []cli.Flag{
+		&filterVnetId,
+		&filterVnetByName,
+		&filterDefaultVnet,
+		&filterDeletedVnet,
+	}
+)
+
+// VnetFilter which virtual networks get queried.
+type VnetFilter struct {
+	queryParams url.Values
+}
+
+func NewVnetFilter() *VnetFilter {
+	return &VnetFilter{
+		queryParams: url.Values{},
+	}
+}
+
+func (f *VnetFilter) ById(vnetId uuid.UUID) {
+	f.queryParams.Set("id", vnetId.String())
+}
+
+func (f *VnetFilter) ByName(name string) {
+	f.queryParams.Set("name", name)
+}
+
+func (f *VnetFilter) ByDefaultStatus(isDefault bool) {
+	f.queryParams.Set("is_default", strconv.FormatBool(isDefault))
+}
+
+func (f *VnetFilter) WithDeleted(isDeleted bool) {
+	f.queryParams.Set("is_deleted", strconv.FormatBool(isDeleted))
+}
+
+func (f *VnetFilter) MaxFetchSize(max uint) {
+	f.queryParams.Set("per_page", strconv.Itoa(int(max)))
+}
+
+func (f VnetFilter) 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) (*VnetFilter, error) {
+	f := NewVnetFilter()
+
+	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
+}
--- a/cfapi/virtual_network_test.go
+++ b/cfapi/virtual_network_test.go
@@ -0,0 +1,79 @@
+package cfapi
+
+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"))
+}