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feat: Add wireguard to port-forward #3851

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Merged
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Sep 2, 2022
Merged

feat: Add wireguard to port-forward #3851

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26 changes: 17 additions & 9 deletions cli/portforward.go
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Original file line number Diff line number Diff line change
Expand Up @@ -12,11 +12,12 @@ import (
"sync"
"syscall"

"cdr.dev/slog"
"github.com/pion/udp"
"github.com/spf13/cobra"
"golang.org/x/xerrors"

coderagent "github.com/coder/coder/agent"
"github.com/coder/coder/agent"
"github.com/coder/coder/cli/cliui"
"github.com/coder/coder/codersdk"
)
Expand All @@ -26,6 +27,7 @@ func portForward() *cobra.Command {
tcpForwards []string // <port>:<port>
udpForwards []string // <port>:<port>
unixForwards []string // <path>:<path> OR <port>:<path>
wireguard bool
)
cmd := &cobra.Command{
Use: "port-forward <workspace>",
Expand Down Expand Up @@ -75,7 +77,7 @@ func portForward() *cobra.Command {
return err
}

workspace, agent, err := getWorkspaceAndAgent(ctx, cmd, client, codersdk.Me, args[0], false)
workspace, workspaceAgent, err := getWorkspaceAndAgent(ctx, cmd, client, codersdk.Me, args[0], false)
if err != nil {
return err
}
Expand All @@ -92,16 +94,21 @@ func portForward() *cobra.Command {
err = cliui.Agent(ctx, cmd.ErrOrStderr(), cliui.AgentOptions{
WorkspaceName: workspace.Name,
Fetch: func(ctx context.Context) (codersdk.WorkspaceAgent, error) {
return client.WorkspaceAgent(ctx, agent.ID)
return client.WorkspaceAgent(ctx, workspaceAgent.ID)
},
})
if err != nil {
return xerrors.Errorf("await agent: %w", err)
}

conn, err := client.DialWorkspaceAgent(ctx, agent.ID, nil)
var conn agent.Conn
if !wireguard {
conn, err = client.DialWorkspaceAgent(ctx, workspaceAgent.ID, nil)
} else {
conn, err = client.DialWorkspaceAgentTailnet(ctx, slog.Logger{}, workspaceAgent.ID)
}
if err != nil {
return xerrors.Errorf("dial workspace agent: %w", err)
return err
}
defer conn.Close()

Expand Down Expand Up @@ -159,11 +166,12 @@ func portForward() *cobra.Command {
cmd.Flags().StringArrayVarP(&tcpForwards, "tcp", "p", []string{}, "Forward a TCP port from the workspace to the local machine")
cmd.Flags().StringArrayVar(&udpForwards, "udp", []string{}, "Forward a UDP port from the workspace to the local machine. The UDP connection has TCP-like semantics to support stateful UDP protocols")
cmd.Flags().StringArrayVar(&unixForwards, "unix", []string{}, "Forward a Unix socket in the workspace to a local Unix socket or TCP port")

cmd.Flags().BoolVarP(&wireguard, "wireguard", "", false, "Specifies whether to use wireguard networking or not.")
_ = cmd.Flags().MarkHidden("wireguard")
return cmd
}

func listenAndPortForward(ctx context.Context, cmd *cobra.Command, conn coderagent.Conn, wg *sync.WaitGroup, spec portForwardSpec) (net.Listener, error) {
func listenAndPortForward(ctx context.Context, cmd *cobra.Command, conn agent.Conn, wg *sync.WaitGroup, spec portForwardSpec) (net.Listener, error) {
_, _ = fmt.Fprintf(cmd.OutOrStderr(), "Forwarding '%v://%v' locally to '%v://%v' in the workspace\n", spec.listenNetwork, spec.listenAddress, spec.dialNetwork, spec.dialAddress)

var (
Expand Down Expand Up @@ -219,7 +227,7 @@ func listenAndPortForward(ctx context.Context, cmd *cobra.Command, conn coderage
}
defer remoteConn.Close()

coderagent.Bicopy(ctx, netConn, remoteConn)
agent.Bicopy(ctx, netConn, remoteConn)
}(netConn)
}
}(spec)
Expand Down Expand Up @@ -315,7 +323,7 @@ func parsePort(in string) (uint16, error) {
}

func parseUnixPath(in string) (string, error) {
path, err := coderagent.ExpandRelativeHomePath(strings.TrimSpace(in))
path, err := agent.ExpandRelativeHomePath(strings.TrimSpace(in))
if err != nil {
return "", xerrors.Errorf("tidy path %q: %w", in, err)
}
Expand Down