Convert routes command to use gRPC

This commit is contained in:
Kristoffer Dalby 2021-11-04 22:44:59 +00:00
parent 77a973878c
commit be4256b1d0

View file

@ -1,26 +1,37 @@
package cli
import (
"context"
"fmt"
"log"
"strings"
"strconv"
"time"
v1 "github.com/juanfont/headscale/gen/go/headscale/v1"
"github.com/pterm/pterm"
"github.com/spf13/cobra"
)
func init() {
rootCmd.AddCommand(routesCmd)
routesCmd.PersistentFlags().StringP("namespace", "n", "", "Namespace")
err := routesCmd.MarkPersistentFlagRequired("namespace")
listRoutesCmd.Flags().Uint64P("identifier", "i", 0, "Node identifier (ID)")
err := listRoutesCmd.MarkFlagRequired("identifier")
if err != nil {
log.Fatalf(err.Error())
}
routesCmd.AddCommand(listRoutesCmd)
enableRouteCmd.Flags().StringSliceP("route", "r", []string{}, "List (or repeated flags) of routes to enable")
enableRouteCmd.Flags().Uint64P("identifier", "i", 0, "Node identifier (ID)")
err = enableRouteCmd.MarkFlagRequired("identifier")
if err != nil {
log.Fatalf(err.Error())
}
enableRouteCmd.Flags().BoolP("all", "a", false, "Enable all routes advertised by the node")
routesCmd.AddCommand(listRoutesCmd)
routesCmd.AddCommand(enableRouteCmd)
nodeCmd.AddCommand(routesCmd)
}
var routesCmd = &cobra.Command{
@ -29,119 +40,128 @@ var routesCmd = &cobra.Command{
}
var listRoutesCmd = &cobra.Command{
Use: "list NODE",
Short: "List the routes exposed by this node",
Args: func(cmd *cobra.Command, args []string) error {
if len(args) < 1 {
return fmt.Errorf("Missing parameters")
}
return nil
},
Use: "list",
Short: "List routes advertised and enabled by a given node",
Run: func(cmd *cobra.Command, args []string) {
n, err := cmd.Flags().GetString("namespace")
if err != nil {
log.Fatalf("Error getting namespace: %s", err)
}
o, _ := cmd.Flags().GetString("output")
output, _ := cmd.Flags().GetString("output")
h, err := getHeadscaleApp()
machineId, err := cmd.Flags().GetUint64("identifier")
if err != nil {
log.Fatalf("Error initializing: %s", err)
}
availableRoutes, err := h.GetAdvertisedNodeRoutes(n, args[0])
if err != nil {
fmt.Println(err)
ErrorOutput(err, fmt.Sprintf("Error getting machine id from flag: %s", err), output)
return
}
if strings.HasPrefix(o, "json") {
// TODO: Add enable/disabled information to this interface
JsonOutput(availableRoutes, err, o)
ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
defer cancel()
client, conn := getHeadscaleGRPCClient(ctx)
defer conn.Close()
request := &v1.GetMachineRouteRequest{
MachineId: machineId,
}
response, err := client.GetMachineRoute(ctx, request)
if err != nil {
ErrorOutput(err, fmt.Sprintf("Cannot get nodes: %s", err), output)
return
}
d := h.RoutesToPtables(n, args[0], *availableRoutes)
if output != "" {
SuccessOutput(response.Routes, "", output)
return
}
d := routesToPtables(response.Routes)
if err != nil {
ErrorOutput(err, fmt.Sprintf("Error converting to table: %s", err), output)
return
}
err = pterm.DefaultTable.WithHasHeader().WithData(d).Render()
if err != nil {
log.Fatal(err)
ErrorOutput(err, fmt.Sprintf("Failed to render pterm table: %s", err), output)
return
}
},
}
var enableRouteCmd = &cobra.Command{
Use: "enable node-name route",
Short: "Allows exposing a route declared by this node to the rest of the nodes",
Args: func(cmd *cobra.Command, args []string) error {
all, err := cmd.Flags().GetBool("all")
if err != nil {
log.Fatalf("Error getting namespace: %s", err)
}
if all {
if len(args) < 1 {
return fmt.Errorf("Missing parameters")
}
return nil
} else {
if len(args) < 2 {
return fmt.Errorf("Missing parameters")
}
return nil
}
},
Use: "enable",
Short: "Set the enabled routes for a given node",
Long: `This command will take a list of routes that will _replace_
the current set of routes on a given node.
If you would like to disable a route, simply run the command again, but
omit the route you do not want to enable.
`,
Run: func(cmd *cobra.Command, args []string) {
n, err := cmd.Flags().GetString("namespace")
output, _ := cmd.Flags().GetString("output")
machineId, err := cmd.Flags().GetUint64("identifier")
if err != nil {
log.Fatalf("Error getting namespace: %s", err)
ErrorOutput(err, fmt.Sprintf("Error getting machine id from flag: %s", err), output)
return
}
o, _ := cmd.Flags().GetString("output")
all, err := cmd.Flags().GetBool("all")
routes, err := cmd.Flags().GetStringSlice("route")
if err != nil {
log.Fatalf("Error getting namespace: %s", err)
ErrorOutput(err, fmt.Sprintf("Error getting routes from flag: %s", err), output)
return
}
h, err := getHeadscaleApp()
if err != nil {
log.Fatalf("Error initializing: %s", err)
ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
defer cancel()
client, conn := getHeadscaleGRPCClient(ctx)
defer conn.Close()
request := &v1.EnableMachineRoutesRequest{
MachineId: machineId,
Routes: routes,
}
if all {
availableRoutes, err := h.GetAdvertisedNodeRoutes(n, args[0])
if err != nil {
fmt.Println(err)
return
}
response, err := client.EnableMachineRoutes(ctx, request)
if err != nil {
ErrorOutput(err, fmt.Sprintf("Cannot register machine: %s\n", err), output)
return
}
for _, availableRoute := range *availableRoutes {
err = h.EnableNodeRoute(n, args[0], availableRoute.String())
if err != nil {
fmt.Println(err)
return
}
if output != "" {
SuccessOutput(response.Routes, "", output)
return
}
if strings.HasPrefix(o, "json") {
JsonOutput(availableRoute, err, o)
} else {
fmt.Printf("Enabled route %s\n", availableRoute)
}
}
} else {
err = h.EnableNodeRoute(n, args[0], args[1])
d := routesToPtables(response.Routes)
if err != nil {
ErrorOutput(err, fmt.Sprintf("Error converting to table: %s", err), output)
return
}
if strings.HasPrefix(o, "json") {
JsonOutput(args[1], err, o)
return
}
if err != nil {
fmt.Println(err)
return
}
fmt.Printf("Enabled route %s\n", args[1])
err = pterm.DefaultTable.WithHasHeader().WithData(d).Render()
if err != nil {
ErrorOutput(err, fmt.Sprintf("Failed to render pterm table: %s", err), output)
return
}
},
}
// routesToPtables converts the list of routes to a nice table
func routesToPtables(routes *v1.Routes) pterm.TableData {
d := pterm.TableData{{"Route", "Enabled"}}
for _, route := range routes.GetAdvertisedRoutes() {
enabled := isStringInSlice(routes.EnabledRoutes, route)
d = append(d, []string{route, strconv.FormatBool(enabled)})
}
return d
}
func isStringInSlice(strs []string, s string) bool {
for _, s2 := range strs {
if s == s2 {
return true
}
}
return false
}