coder/tailnet/test/integration/integration.go

129 lines
3.3 KiB
Go

package integration
import (
"context"
"encoding/json"
"io"
"net/http"
"net/http/httptest"
"net/netip"
"strings"
"sync/atomic"
"testing"
"time"
"github.com/google/uuid"
"github.com/stretchr/testify/require"
"golang.org/x/xerrors"
"nhooyr.io/websocket"
"tailscale.com/tailcfg"
"cdr.dev/slog"
"github.com/coder/coder/v2/coderd/httpapi"
"github.com/coder/coder/v2/codersdk"
"github.com/coder/coder/v2/tailnet"
"github.com/coder/coder/v2/testutil"
)
func NetworkSetupDefault(*testing.T) {}
func DERPMapTailscale(ctx context.Context, t *testing.T) *tailcfg.DERPMap {
ctx, cancel := context.WithTimeout(ctx, testutil.WaitShort)
defer cancel()
req, err := http.NewRequestWithContext(ctx, "GET", "https://controlplane.tailscale.com/derpmap/default", nil)
require.NoError(t, err)
res, err := http.DefaultClient.Do(req)
require.NoError(t, err)
defer res.Body.Close()
dm := &tailcfg.DERPMap{}
dec := json.NewDecoder(res.Body)
err = dec.Decode(dm)
require.NoError(t, err)
return dm
}
func CoordinatorInMemory(t *testing.T, logger slog.Logger, dm *tailcfg.DERPMap) (coord tailnet.Coordinator, url string) {
coord = tailnet.NewCoordinator(logger)
var coordPtr atomic.Pointer[tailnet.Coordinator]
coordPtr.Store(&coord)
t.Cleanup(func() { _ = coord.Close() })
csvc, err := tailnet.NewClientService(logger, &coordPtr, 10*time.Minute, func() *tailcfg.DERPMap {
return dm
})
require.NoError(t, err)
srv := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
idStr := strings.TrimPrefix(r.URL.Path, "/")
id, err := uuid.Parse(idStr)
if err != nil {
httpapi.Write(r.Context(), w, http.StatusBadRequest, codersdk.Response{
Message: "Bad agent id.",
Detail: err.Error(),
})
return
}
conn, err := websocket.Accept(w, r, nil)
if err != nil {
httpapi.Write(r.Context(), w, http.StatusBadRequest, codersdk.Response{
Message: "Failed to accept websocket.",
Detail: err.Error(),
})
return
}
ctx, wsNetConn := codersdk.WebsocketNetConn(r.Context(), conn, websocket.MessageBinary)
defer wsNetConn.Close()
err = csvc.ServeConnV2(ctx, wsNetConn, tailnet.StreamID{
Name: "client-" + id.String(),
ID: id,
Auth: tailnet.SingleTailnetCoordinateeAuth{},
})
if err != nil && !xerrors.Is(err, io.EOF) && !xerrors.Is(err, context.Canceled) {
_ = conn.Close(websocket.StatusInternalError, err.Error())
return
}
}))
t.Cleanup(srv.Close)
return coord, srv.URL
}
func TailnetSetupDRPC(ctx context.Context, t *testing.T, logger slog.Logger,
id, agentID uuid.UUID,
coordinateURL string,
dm *tailcfg.DERPMap,
) *tailnet.Conn {
ip := tailnet.IPFromUUID(id)
conn, err := tailnet.NewConn(&tailnet.Options{
Addresses: []netip.Prefix{netip.PrefixFrom(ip, 128)},
DERPMap: dm,
Logger: logger,
})
require.NoError(t, err)
t.Cleanup(func() { _ = conn.Close() })
//nolint:bodyclose
ws, _, err := websocket.Dial(ctx, coordinateURL+"/"+id.String(), nil)
require.NoError(t, err)
client, err := tailnet.NewDRPCClient(
websocket.NetConn(ctx, ws, websocket.MessageBinary),
logger,
)
require.NoError(t, err)
coord, err := client.Coordinate(ctx)
require.NoError(t, err)
coordination := tailnet.NewRemoteCoordination(logger, coord, conn, agentID)
t.Cleanup(func() { _ = coordination.Close() })
return conn
}