Merge pull request #86 from juanfont/better-ui

Improve tables in CLI

.dockerignore

@@ -0,0 +1,17 @@
+// integration tests are not needed in docker
+// ignoring it let us speed up the integration test
+// development
+integration_test.go
+integration_test/
+
+Dockerfile*
+docker-compose*
+.dockerignore
+.goreleaser.yml
+.git
+.github
+.gitignore
+README.md
+LICENSE
+.vscode
+

.gitignore

@@ -18,3 +18,4 @@
 config.json
 *.key
 /db.sqlite
+*.sqlite3

Dockerfile

@@ -1,12 +1,19 @@
 FROM golang:latest AS build
 ENV GOPATH /go
-COPY . /go/src/headscale
+
+COPY go.mod go.sum /go/src/headscale/
 WORKDIR /go/src/headscale
+RUN go mod download
+
+COPY . /go/src/headscale
+
 RUN go install -a -ldflags="-extldflags=-static" -tags netgo,sqlite_omit_load_extension ./cmd/headscale
 RUN test -e /go/bin/headscale
 
-FROM scratch
-COPY --from=build /go/bin/headscale /go/bin/headscale
+FROM ubuntu:latest
+
+COPY --from=build /go/bin/headscale /usr/local/bin/headscale
 ENV TZ UTC
+
 EXPOSE 8080/tcp
-ENTRYPOINT ["/go/bin/headscale"]
+CMD ["headscale"]

Dockerfile.tailscale

@@ -0,0 +1,9 @@
+FROM ubuntu:latest
+
+RUN apt-get update \
+    && apt-get install -y gnupg curl \
+    && curl -fsSL https://pkgs.tailscale.com/stable/ubuntu/focal.gpg | apt-key add - \
+    && curl -fsSL https://pkgs.tailscale.com/stable/ubuntu/focal.list | tee /etc/apt/sources.list.d/tailscale.list \
+    && apt-get update \
+    && apt-get install -y tailscale \
+    && rm -rf /var/lib/apt/lists/*

Makefile

@@ -9,6 +9,9 @@ dev: lint test build
 test:
 	@go test -coverprofile=coverage.out ./...
 
+test_integration:
+	go test -tags integration -timeout 30m ./...
+
 coverprofile_func:
 	go tool cover -func=coverage.out
 

api.go

@@ -286,21 +286,6 @@ func (h *Headscale) PollNetMapHandler(c *gin.Context) {
 	}
 	h.db.Save(&m)
 
-	update := make(chan []byte, 1)
-
-	pollData := make(chan []byte, 1)
-	defer close(pollData)
-
-	cancelKeepAlive := make(chan []byte, 1)
-	defer close(cancelKeepAlive)
-
-	log.Trace().
-		Str("handler", "PollNetMap").
-		Str("id", c.Param("id")).
-		Str("machine", m.Name).
-		Msg("Storing update channel")
-	h.clientsPolling.Store(m.ID, update)
-
 	data, err := h.getMapResponse(mKey, req, m)
 	if err != nil {
 		log.Error().
@@ -351,6 +336,23 @@ func (h *Headscale) PollNetMapHandler(c *gin.Context) {
 		return
 	}
 
+	// Only create update channel if it has not been created
+	var update chan []byte
+	log.Trace().
+		Str("handler", "PollNetMap").
+		Str("id", c.Param("id")).
+		Str("machine", m.Name).
+		Msg("Creating or loading update channel")
+	if result, ok := h.clientsPolling.LoadOrStore(m.ID, make(chan []byte, 1)); ok {
+		update = result.(chan []byte)
+	}
+
+	pollData := make(chan []byte, 1)
+	defer close(pollData)
+
+	cancelKeepAlive := make(chan []byte, 1)
+	defer close(cancelKeepAlive)
+
 	log.Info().
 		Str("handler", "PollNetMap").
 		Str("machine", m.Name).
@@ -365,87 +367,15 @@ func (h *Headscale) PollNetMapHandler(c *gin.Context) {
 		Str("handler", "PollNetMap").
 		Str("machine", m.Name).
 		Msg("Notifying peers")
-	peers, _ := h.getPeers(m)
-	for _, p := range *peers {
-		pUp, ok := h.clientsPolling.Load(uint64(p.ID))
-		if ok {
-			log.Info().
-				Str("handler", "PollNetMap").
-				Str("machine", m.Name).
-				Str("peer", m.Name).
-				Str("address", p.Addresses[0].String()).
-				Msgf("Notifying peer %s (%s)", p.Name, p.Addresses[0])
-			pUp.(chan []byte) <- []byte{}
-		} else {
-			log.Info().
-				Str("handler", "PollNetMap").
-				Str("machine", m.Name).
-				Str("peer", m.Name).
-				Msgf("Peer %s does not appear to be polling", p.Name)
-		}
-	}
+		// TODO: Why does this block?
+	go h.notifyChangesToPeers(&m)
 
-	go h.keepAlive(cancelKeepAlive, pollData, mKey, req, m)
-
-	c.Stream(func(w io.Writer) bool {
-		select {
-		case data := <-pollData:
-			log.Trace().
-				Str("handler", "PollNetMap").
-				Str("machine", m.Name).
-				Int("bytes", len(data)).
-				Msg("Sending data")
-			_, err := w.Write(data)
-			if err != nil {
-				log.Error().
-					Str("handler", "PollNetMap").
-					Str("machine", m.Name).
-					Err(err).
-					Msg("Cannot write data")
-			}
-			now := time.Now().UTC()
-			m.LastSeen = &now
-			h.db.Save(&m)
-			return true
-
-		case <-update:
-			log.Debug().
-				Str("handler", "PollNetMap").
-				Str("machine", m.Name).
-				Msg("Received a request for update")
-			data, err := h.getMapResponse(mKey, req, m)
-			if err != nil {
-				log.Error().
-					Str("handler", "PollNetMap").
-					Str("machine", m.Name).
-					Err(err).
-					Msg("Could not get the map update")
-			}
-			_, err = w.Write(*data)
-			if err != nil {
-				log.Error().
-					Str("handler", "PollNetMap").
-					Str("machine", m.Name).
-					Err(err).
-					Msg("Could not write the map response")
-			}
-			return true
-
-		case <-c.Request.Context().Done():
-			log.Info().
-				Str("handler", "PollNetMap").
-				Str("machine", m.Name).
-				Msg("The client has closed the connection")
-			now := time.Now().UTC()
-			m.LastSeen = &now
-			h.db.Save(&m)
-			cancelKeepAlive <- []byte{}
-			h.clientsPolling.Delete(m.ID)
-			close(update)
-			return false
-
-		}
-	})
+	h.PollNetMapStream(c, m, req, mKey, pollData, update, cancelKeepAlive)
+	log.Trace().
+		Str("handler", "PollNetMap").
+		Str("id", c.Param("id")).
+		Str("machine", m.Name).
+		Msg("Finished stream, closing PollNetMap session")
 }
 
 func (h *Headscale) keepAlive(cancel chan []byte, pollData chan []byte, mKey wgkey.Key, req tailcfg.MapRequest, m Machine) {
@@ -514,10 +444,15 @@ func (h *Headscale) getMapResponse(mKey wgkey.Key, req tailcfg.MapRequest, m Mac
 		DERPMap:      h.cfg.DerpMap,
 		UserProfiles: []tailcfg.UserProfile{profile},
 	}
+	log.Trace().
+		Str("func", "getMapResponse").
+		Str("machine", req.Hostinfo.Hostname).
+		Msgf("Generated map response: %s", tailMapResponseToString(resp))
 
 	var respBody []byte
 	if req.Compress == "zstd" {
 		src, _ := json.Marshal(resp)
+
 		encoder, _ := zstd.NewWriter(nil)
 		srcCompressed := encoder.EncodeAll(src, nil)
 		respBody, err = encodeMsg(srcCompressed, &mKey, h.privateKey)

app.go

@@ -107,9 +107,9 @@ func (h *Headscale) redirect(w http.ResponseWriter, req *http.Request) {
 	http.Redirect(w, req, target, http.StatusFound)
 }
 
-// ExpireEphemeralNodes deletes ephemeral machine records that have not been
+// expireEphemeralNodes deletes ephemeral machine records that have not been
 // seen for longer than h.cfg.EphemeralNodeInactivityTimeout
-func (h *Headscale) ExpireEphemeralNodes(milliSeconds int64) {
+func (h *Headscale) expireEphemeralNodes(milliSeconds int64) {
 	ticker := time.NewTicker(time.Duration(milliSeconds) * time.Millisecond)
 	for range ticker.C {
 		h.expireEphemeralNodesWorker()
@@ -135,6 +135,7 @@ func (h *Headscale) expireEphemeralNodesWorker() {
 				if err != nil {
 					log.Error().Err(err).Str("machine", m.Name).Msg("🤮 Cannot delete ephemeral machine from the database")
 				}
+				h.notifyChangesToPeers(&m)
 			}
 		}
 	}
@@ -157,6 +158,7 @@ func (h *Headscale) watchForKVUpdatesWorker() {
 // Serve launches a GIN server with the Headscale API
 func (h *Headscale) Serve() error {
 	r := gin.Default()
+	r.GET("/health", func(c *gin.Context) { c.JSON(200, gin.H{"healthy": "ok"}) })
 	r.GET("/key", h.KeyHandler)
 	r.GET("/register", h.RegisterWebAPI)
 	r.POST("/machine/:id/map", h.PollNetMapHandler)
@@ -164,6 +166,7 @@ func (h *Headscale) Serve() error {
 	var err error
 
 	go h.watchForKVUpdates(5000)
+	go h.expireEphemeralNodes(5000)
 
 	if h.cfg.TLSLetsEncryptHostname != "" {
 		if !strings.HasPrefix(h.cfg.ServerURL, "https://") {

cmd/headscale/cli/namespaces.go

@@ -3,8 +3,10 @@ package cli
 import (
 	"fmt"
 	"log"
+	"strconv"
 	"strings"
 
+	"github.com/pterm/pterm"
 	"github.com/spf13/cobra"
 )
 
@@ -94,9 +96,14 @@ var listNamespacesCmd = &cobra.Command{
 			fmt.Println(err)
 			return
 		}
-		fmt.Printf("ID\tName\n")
+
+		d := pterm.TableData{{"ID", "Name", "Created"}}
 		for _, n := range *namespaces {
-			fmt.Printf("%d\t%s\n", n.ID, n.Name)
+			d = append(d, []string{strconv.FormatUint(uint64(n.ID), 10), n.Name, n.CreatedAt.Format("2006-01-02 15:04:05")})
+		}
+		err = pterm.DefaultTable.WithHasHeader().WithData(d).Render()
+		if err != nil {
+			log.Fatal(err)
 		}
 	},
 }

cmd/headscale/cli/nodes.go

@@ -8,7 +8,11 @@ import (
 	"time"
 
 	survey "github.com/AlecAivazis/survey/v2"
+	"github.com/juanfont/headscale"
+	"github.com/pterm/pterm"
 	"github.com/spf13/cobra"
+	"tailscale.com/tailcfg"
+	"tailscale.com/types/wgkey"
 )
 
 func init() {
@@ -33,7 +37,7 @@ var registerNodeCmd = &cobra.Command{
 	Short: "Registers a machine to your network",
 	Args: func(cmd *cobra.Command, args []string) error {
 		if len(args) < 1 {
-			return fmt.Errorf("Missing parameters")
+			return fmt.Errorf("missing parameters")
 		}
 		return nil
 	},
@@ -85,19 +89,15 @@ var listNodesCmd = &cobra.Command{
 			log.Fatalf("Error getting nodes: %s", err)
 		}
 
-		fmt.Printf("ID\tname\t\tlast seen\t\tephemeral\n")
-		for _, m := range *machines {
-			var ephemeral bool
-			if m.AuthKey != nil && m.AuthKey.Ephemeral {
-				ephemeral = true
-			}
-			var lastSeen time.Time
-			if m.LastSeen != nil {
-				lastSeen = *m.LastSeen
-			}
-			fmt.Printf("%d\t%s\t%s\t%t\n", m.ID, m.Name, lastSeen.Format("2006-01-02 15:04:05"), ephemeral)
+		d, err := nodesToPtables(*machines)
+		if err != nil {
+			log.Fatalf("Error converting to table: %s", err)
 		}
 
+		err = pterm.DefaultTable.WithHasHeader().WithData(d).Render()
+		if err != nil {
+			log.Fatal(err)
+		}
 	},
 }
 
@@ -106,7 +106,7 @@ var deleteNodeCmd = &cobra.Command{
 	Short: "Delete a node",
 	Args: func(cmd *cobra.Command, args []string) error {
 		if len(args) < 1 {
-			return fmt.Errorf("Missing parameters")
+			return fmt.Errorf("missing parameters")
 		}
 		return nil
 	},
@@ -144,3 +144,32 @@ var deleteNodeCmd = &cobra.Command{
 		}
 	},
 }
+
+func nodesToPtables(m []headscale.Machine) (pterm.TableData, error) {
+	d := pterm.TableData{{"ID", "Name", "NodeKey", "IP address", "Ephemeral", "Last seen", "Online"}}
+
+	for _, m := range m {
+		var ephemeral bool
+		if m.AuthKey != nil && m.AuthKey.Ephemeral {
+			ephemeral = true
+		}
+		var lastSeen time.Time
+		if m.LastSeen != nil {
+			lastSeen = *m.LastSeen
+		}
+		nKey, err := wgkey.ParseHex(m.NodeKey)
+		if err != nil {
+			return nil, err
+		}
+		nodeKey := tailcfg.NodeKey(nKey)
+
+		var online string
+		if m.LastSeen.After(time.Now().Add(-5 * time.Minute)) { // TODO: Find a better way to reliably show if online
+			online = pterm.LightGreen("true")
+		} else {
+			online = pterm.LightRed("false")
+		}
+		d = append(d, []string{strconv.FormatUint(m.ID, 10), m.Name, nodeKey.ShortString(), m.IPAddress, strconv.FormatBool(ephemeral), lastSeen.Format("2006-01-02 15:04:05"), online})
+	}
+	return d, nil
+}

cmd/headscale/cli/preauthkeys.go

@@ -3,10 +3,12 @@ package cli
 import (
 	"fmt"
 	"log"
+	"strconv"
 	"strings"
 	"time"
 
 	"github.com/hako/durafmt"
+	"github.com/pterm/pterm"
 	"github.com/spf13/cobra"
 )
 
@@ -19,6 +21,7 @@ func init() {
 	}
 	preauthkeysCmd.AddCommand(listPreAuthKeys)
 	preauthkeysCmd.AddCommand(createPreAuthKeyCmd)
+	preauthkeysCmd.AddCommand(expirePreAuthKeyCmd)
 	createPreAuthKeyCmd.PersistentFlags().Bool("reusable", false, "Make the preauthkey reusable")
 	createPreAuthKeyCmd.PersistentFlags().Bool("ephemeral", false, "Preauthkey for ephemeral nodes")
 	createPreAuthKeyCmd.Flags().StringP("expiration", "e", "", "Human-readable expiration of the key (30m, 24h, 365d...)")
@@ -53,6 +56,8 @@ var listPreAuthKeys = &cobra.Command{
 			fmt.Printf("Error getting the list of keys: %s\n", err)
 			return
 		}
+
+		d := pterm.TableData{{"ID", "Key", "Reusable", "Ephemeral", "Expiration", "Created"}}
 		for _, k := range *keys {
 			expiration := "-"
 			if k.Expiration != nil {
@@ -66,15 +71,19 @@ var listPreAuthKeys = &cobra.Command{
 				reusable = fmt.Sprintf("%v", k.Reusable)
 			}
 
-			fmt.Printf(
-				"key: %s, namespace: %s, reusable: %s, ephemeral: %v, expiration: %s, created_at: %s\n",
+			d = append(d, []string{
+				strconv.FormatUint(k.ID, 10),
 				k.Key,
-				k.Namespace.Name,
 				reusable,
-				k.Ephemeral,
+				strconv.FormatBool(k.Ephemeral),
 				expiration,
 				k.CreatedAt.Format("2006-01-02 15:04:05"),
-			)
+			})
+
+		}
+		err = pterm.DefaultTable.WithHasHeader().WithData(d).Render()
+		if err != nil {
+			log.Fatal(err)
 		}
 	},
 }
@@ -116,6 +125,45 @@ var createPreAuthKeyCmd = &cobra.Command{
 			fmt.Println(err)
 			return
 		}
-		fmt.Printf("Key: %s\n", k.Key)
+		fmt.Printf("%s\n", k.Key)
+	},
+}
+
+var expirePreAuthKeyCmd = &cobra.Command{
+	Use:   "expire",
+	Short: "Expire a preauthkey",
+	Args: func(cmd *cobra.Command, args []string) error {
+		if len(args) < 1 {
+			return fmt.Errorf("missing parameters")
+		}
+		return nil
+	},
+	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")
+
+		h, err := getHeadscaleApp()
+		if err != nil {
+			log.Fatalf("Error initializing: %s", err)
+		}
+
+		k, err := h.GetPreAuthKey(n, args[0])
+		if err != nil {
+			log.Fatalf("Error getting the key: %s", err)
+		}
+
+		err = h.MarkExpirePreAuthKey(k)
+		if strings.HasPrefix(o, "json") {
+			JsonOutput(k, err, o)
+			return
+		}
+		if err != nil {
+			fmt.Println(err)
+			return
+		}
+		fmt.Println("Expired")
 	},
 }

cmd/headscale/cli/server.go

@@ -21,7 +21,7 @@ var serveCmd = &cobra.Command{
 		if err != nil {
 			log.Fatalf("Error initializing: %s", err)
 		}
-		go h.ExpireEphemeralNodes(5000)
+
 		err = h.Serve()
 		if err != nil {
 			log.Fatalf("Error initializing: %s", err)

go.mod

@@ -4,17 +4,30 @@ go 1.16
 
 require (
 	github.com/AlecAivazis/survey/v2 v2.0.5
-	github.com/efekarakus/termcolor v1.0.1 // indirect
+	github.com/Microsoft/go-winio v0.5.0 // indirect
+	github.com/cenkalti/backoff/v4 v4.1.1 // indirect
+	github.com/containerd/continuity v0.1.0 // indirect
+	github.com/docker/cli v20.10.8+incompatible // indirect
+	github.com/docker/docker v20.10.8+incompatible // indirect
+	github.com/efekarakus/termcolor v1.0.1
 	github.com/gin-gonic/gin v1.7.2
 	github.com/hako/durafmt v0.0.0-20210608085754-5c1018a4e16b
 	github.com/klauspost/compress v1.13.1
 	github.com/lib/pq v1.10.2 // indirect
 	github.com/mattn/go-sqlite3 v1.14.7 // indirect
-	github.com/rs/zerolog v1.23.0 // indirect
+	github.com/moby/term v0.0.0-20210619224110-3f7ff695adc6 // indirect
+	github.com/opencontainers/runc v1.0.1 // indirect
+	github.com/ory/dockertest/v3 v3.7.0
+	github.com/pterm/pterm v0.12.29
+	github.com/rs/zerolog v1.23.0
 	github.com/spf13/cobra v1.1.3
 	github.com/spf13/viper v1.8.1
+	github.com/stretchr/testify v1.7.0 // indirect
 	github.com/tailscale/hujson v0.0.0-20200924210142-dde312d0d6a2
+	github.com/xeipuuv/gojsonpointer v0.0.0-20190905194746-02993c407bfb // indirect
 	golang.org/x/crypto v0.0.0-20210616213533-5ff15b29337e
+	golang.org/x/net v0.0.0-20210805182204-aaa1db679c0d // indirect
+	golang.org/x/sys v0.0.0-20210809222454-d867a43fc93e // indirect
 	gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c
 	gopkg.in/yaml.v2 v2.4.0
 	gorm.io/datatypes v1.0.1

go.sum

@@ -1,4 +1,5 @@
 4d63.com/gochecknoglobals v0.0.0-20201008074935-acfc0b28355a/go.mod h1:wfdC5ZjKSPr7CybKEcgJhUOgeAQW1+7WcyK8OvUilfo=
+bazil.org/fuse v0.0.0-20160811212531-371fbbdaa898/go.mod h1:Xbm+BRKSBEpa4q4hTSxohYNQpsxXPbPry4JJWOB3LB8=
 cloud.google.com/go v0.26.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
 cloud.google.com/go v0.34.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
 cloud.google.com/go v0.38.0/go.mod h1:990N+gfupTy94rShfmMCWGDn0LpTmnzTp2qbd1dvSRU=
@@ -40,11 +41,16 @@ cloud.google.com/go/storage v1.10.0/go.mod h1:FLPqc6j+Ki4BU591ie1oL6qBQGu2Bl/tZ9
 dmitri.shuralyov.com/gpu/mtl v0.0.0-20190408044501-666a987793e9/go.mod h1:H6x//7gZCb22OMCxBHrMx7a5I7Hp++hsVxbQ4BYO7hU=
 github.com/AlecAivazis/survey/v2 v2.0.5 h1:xpZp+Q55wi5C7Iaze+40onHnEkex1jSc34CltJjOoPM=
 github.com/AlecAivazis/survey/v2 v2.0.5/go.mod h1:WYBhg6f0y/fNYUuesWQc0PKbJcEliGcYHB9sNT3Bg74=
+github.com/Azure/go-ansiterm v0.0.0-20170929234023-d6e3b3328b78/go.mod h1:LmzpDX56iTiv29bbRTIsUNlaFfuhWRQBWjQdVyAevI8=
+github.com/Azure/go-ansiterm v0.0.0-20210617225240-d185dfc1b5a1 h1:UQHMgLO+TxOElx5B5HZ4hJQsoJ/PvUvKRhJHDQXO8P8=
+github.com/Azure/go-ansiterm v0.0.0-20210617225240-d185dfc1b5a1/go.mod h1:xomTg63KZ2rFqZQzSB4Vz2SUXa1BpHTVz9L5PTmPC4E=
 github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
 github.com/BurntSushi/xgb v0.0.0-20160522181843-27f122750802/go.mod h1:IVnqGOEym/WlBOVXweHU+Q+/VP0lqqI8lqeDx9IjBqo=
 github.com/Djarvur/go-err113 v0.0.0-20200511133814-5174e21577d5/go.mod h1:4UJr5HIiMZrwgkSPdsjy2uOQExX/WEILpIrO9UPGuXs=
 github.com/Djarvur/go-err113 v0.1.0/go.mod h1:4UJr5HIiMZrwgkSPdsjy2uOQExX/WEILpIrO9UPGuXs=
 github.com/Knetic/govaluate v3.0.1-0.20171022003610-9aa49832a739+incompatible/go.mod h1:r7JcOSlj0wfOMncg0iLm8Leh48TZaKVeNIfJntJ2wa0=
+github.com/MarvinJWendt/testza v0.1.0 h1:4m+JkB/4e0nUlXdIa10Mg0poUz9CanQKjB3L+xecjAo=
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@@ -55,8 +61,12 @@ github.com/Masterminds/sprig v2.22.0+incompatible/go.mod h1:y6hNFY5UBTIWBxnzTeuN
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@@ -79,10 +89,13 @@ github.com/antihax/optional v1.0.0/go.mod h1:uupD/76wgC+ih3iEmQUL+0Ugr19nfwCT1kd
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@@ -91,20 +104,27 @@ github.com/beorn7/perks v0.0.0-20180321164747-3a771d992973/go.mod h1:Dwedo/Wpr24
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@@ -114,7 +134,12 @@ github.com/cockroachdb/apd v1.1.0 h1:3LFP3629v+1aKXU5Q37mxmRxX/pIu1nijXydLShEq5I
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@@ -128,8 +153,10 @@ github.com/coreos/pkg v0.0.0-20180928190104-399ea9e2e55f/go.mod h1:E3G3o1h8I7cfc
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@@ -140,7 +167,18 @@ github.com/denisenkom/go-mssqldb v0.9.0 h1:RSohk2RsiZqLZ0zCjtfn3S4Gp4exhpBWHyQ7D
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@@ -225,6 +263,7 @@ github.com/gogo/googleapis v1.1.0/go.mod h1:gf4bu3Q80BeJ6H1S1vYPm8/ELATdvryBaNFG
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@@ -314,11 +353,15 @@ github.com/google/pprof v0.0.0-20210122040257-d980be63207e/go.mod h1:kpwsk12EmLe
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@@ -328,6 +371,7 @@ github.com/gorilla/context v1.1.1/go.mod h1:kBGZzfjB9CEq2AlWe17Uuf7NDRt0dE0s8S51
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@@ -376,6 +420,8 @@ github.com/ianlancetaylor/demangle v0.0.0-20181102032728-5e5cf60278f6/go.mod h1:
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@@ -502,6 +548,7 @@ github.com/kunwardeep/paralleltest v1.0.2/go.mod h1:ZPqNm1fVHPllh5LPVujzbVz1JN2G
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@@ -514,6 +561,7 @@ github.com/logrusorgru/aurora v0.0.0-20181002194514-a7b3b318ed4e/go.mod h1:7rIyQ
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@@ -539,6 +587,8 @@ github.com/mattn/go-isatty v0.0.11/go.mod h1:PhnuNfih5lzO57/f3n+odYbM4JtupLOxQOA
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@@ -580,6 +630,10 @@ github.com/mitchellh/mapstructure v1.4.1 h1:CpVNEelQCZBooIPDn+AR3NpivK/TIKU8bDxd
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@@ -588,6 +642,7 @@ github.com/modern-go/reflect2 v1.0.1 h1:9f412s+6RmYXLWZSEzVVgPGK7C2PphHj5RJrvfx9
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@@ -614,6 +669,16 @@ github.com/onsi/gomega v1.7.1/go.mod h1:XdKZgCCFLUoM/7CFJVPcG8C1xQ1AJ0vpAezJrB7J
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@@ -622,6 +687,8 @@ github.com/openzipkin-contrib/zipkin-go-opentracing v0.4.5/go.mod h1:/wsWhb9smxS
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@@ -671,12 +738,17 @@ github.com/prometheus/procfs v0.0.0-20190507164030-5867b95ac084/go.mod h1:TjEm7z
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@@ -696,6 +768,7 @@ github.com/samuel/go-zookeeper v0.0.0-20190923202752-2cc03de413da/go.mod h1:gi+0
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@@ -713,6 +786,8 @@ github.com/sirupsen/logrus v1.4.1/go.mod h1:ni0Sbl8bgC9z8RoU9G6nDWqqs/fq4eDPysMB
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@@ -731,6 +806,7 @@ github.com/spf13/cast v1.3.0/go.mod h1:Qx5cxh0v+4UWYiBimWS+eyWzqEqokIECu5etghLkU
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@@ -741,6 +817,7 @@ github.com/spf13/pflag v1.0.1/go.mod h1:DYY7MBk1bdzusC3SYhjObp+wFpr4gzcvqqNjLnIn
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@@ -752,6 +829,7 @@ github.com/streadway/handy v0.0.0-20190108123426-d5acb3125c2a/go.mod h1:qNTQ5P5J
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@@ -763,6 +841,7 @@ github.com/stretchr/testify v1.7.0 h1:nwc3DEeHmmLAfoZucVR881uASk0Mfjw8xYJ99tb5Cc
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@@ -780,6 +859,7 @@ github.com/tomarrell/wrapcheck v0.0.0-20200807122107-df9e8bcb914d/go.mod h1:yiFB
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@@ -794,10 +874,22 @@ github.com/valyala/bytebufferpool v1.0.0/go.mod h1:6bBcMArwyJ5K/AmCkWv1jt77kVWyC
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@@ -915,6 +1007,7 @@ golang.org/x/net v0.0.0-20190311183353-d8887717615a/go.mod h1:t9HGtf8HONx5eT2rtn
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@@ -950,8 +1043,9 @@ golang.org/x/net v0.0.0-20210119194325-5f4716e94777/go.mod h1:m0MpNAwzfU5UDzcl9v
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 golang.org/x/text v0.0.0-20170915032832-14c0d48ead0c/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
 golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
 golang.org/x/text v0.3.1-0.20180807135948-17ff2d5776d2/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
@@ -1096,6 +1199,7 @@ golang.org/x/tools v0.0.0-20190506145303-2d16b83fe98c/go.mod h1:RgjU9mgBXZiqYHBn
 golang.org/x/tools v0.0.0-20190524140312-2c0ae7006135/go.mod h1:RgjU9mgBXZiqYHBnxXauZ1Gv1EHHAz9KjViQ78xBX0Q=
 golang.org/x/tools v0.0.0-20190606124116-d0a3d012864b/go.mod h1:/rFqwRUd4F7ZHNgwSSTFct+R/Kf4OFW1sUzUTQQTgfc=
 golang.org/x/tools v0.0.0-20190621195816-6e04913cbbac/go.mod h1:/rFqwRUd4F7ZHNgwSSTFct+R/Kf4OFW1sUzUTQQTgfc=
+golang.org/x/tools v0.0.0-20190624222133-a101b041ded4/go.mod h1:/rFqwRUd4F7ZHNgwSSTFct+R/Kf4OFW1sUzUTQQTgfc=
 golang.org/x/tools v0.0.0-20190628153133-6cdbf07be9d0/go.mod h1:/rFqwRUd4F7ZHNgwSSTFct+R/Kf4OFW1sUzUTQQTgfc=
 golang.org/x/tools v0.0.0-20190816200558-6889da9d5479/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
 golang.org/x/tools v0.0.0-20190823170909-c4a336ef6a2f/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
@@ -1334,6 +1438,8 @@ gorm.io/gorm v1.21.6/go.mod h1:F+OptMscr0P2F2qU97WT1WimdH9GaQPoDW7AYd5i2Y0=
 gorm.io/gorm v1.21.9/go.mod h1:F+OptMscr0P2F2qU97WT1WimdH9GaQPoDW7AYd5i2Y0=
 gorm.io/gorm v1.21.11 h1:CxkXW6Cc+VIBlL8yJEHq+Co4RYXdSLiMKNvgoZPjLK4=
 gorm.io/gorm v1.21.11/go.mod h1:F+OptMscr0P2F2qU97WT1WimdH9GaQPoDW7AYd5i2Y0=
+gotest.tools/v3 v3.0.2 h1:kG1BFyqVHuQoVQiR1bWGnfz/fmHvvuiSPIV7rvl360E=
+gotest.tools/v3 v3.0.2/go.mod h1:3SzNCllyD9/Y+b5r9JIKQ474KzkZyqLqEfYqMsX94Bk=
 honnef.co/go/tools v0.0.0-20180728063816-88497007e858/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
 honnef.co/go/tools v0.0.0-20190102054323-c2f93a96b099/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
 honnef.co/go/tools v0.0.0-20190106161140-3f1c8253044a/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
@@ -1365,5 +1471,3 @@ sigs.k8s.io/yaml v1.1.0/go.mod h1:UJmg0vDUVViEyp3mgSv9WPwZCDxu4rQW1olrI1uml+o=
 sourcegraph.com/sourcegraph/appdash v0.0.0-20190731080439-ebfcffb1b5c0/go.mod h1:hI742Nqp5OhwiqlzhgfbWU4mW4yO10fP+LoT9WOswdU=
 tailscale.com v1.10.0 h1:3EWYxpXkCmXsMh1WgqoEjQ/xalxzxU+YD5ZmtaHS5cY=
 tailscale.com v1.10.0/go.mod h1:kgFF5AZPTltwdXjX2/ci4ghlcO3qKNWVIjD9s39pr8c=
-tailscale.com v1.10.2 h1:0EbwydLGDxw7//yB5/1GTKz3hDJvGTUCajPZZPMDDGQ=
-tailscale.com v1.10.2/go.mod h1:kgFF5AZPTltwdXjX2/ci4ghlcO3qKNWVIjD9s39pr8c=

integration_test.go

@@ -0,0 +1,335 @@
+// +build integration
+
+package headscale
+
+import (
+	"bytes"
+	"fmt"
+	"log"
+	"net/http"
+	"os"
+	"strings"
+	"testing"
+	"time"
+
+	"github.com/ory/dockertest/v3"
+	"github.com/ory/dockertest/v3/docker"
+	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/suite"
+
+	"inet.af/netaddr"
+)
+
+type IntegrationTestSuite struct {
+	suite.Suite
+}
+
+func TestIntegrationTestSuite(t *testing.T) {
+	suite.Run(t, new(IntegrationTestSuite))
+}
+
+var integrationTmpDir string
+var ih Headscale
+
+var pool dockertest.Pool
+var network dockertest.Network
+var headscale dockertest.Resource
+var tailscaleCount int = 5
+var tailscales map[string]dockertest.Resource
+
+func executeCommand(resource *dockertest.Resource, cmd []string) (string, error) {
+	var stdout bytes.Buffer
+	var stderr bytes.Buffer
+
+	exitCode, err := resource.Exec(
+		cmd,
+		dockertest.ExecOptions{
+			StdOut: &stdout,
+			StdErr: &stderr,
+		},
+	)
+	if err != nil {
+		return "", err
+	}
+
+	if exitCode != 0 {
+		fmt.Println("Command: ", cmd)
+		fmt.Println("stdout: ", stdout.String())
+		fmt.Println("stderr: ", stderr.String())
+		return "", fmt.Errorf("command failed with: %s", stderr.String())
+	}
+
+	return stdout.String(), nil
+}
+
+func dockerRestartPolicy(config *docker.HostConfig) {
+	// set AutoRemove to true so that stopped container goes away by itself
+	config.AutoRemove = true
+	config.RestartPolicy = docker.RestartPolicy{
+		Name: "no",
+	}
+}
+
+func (s *IntegrationTestSuite) SetupSuite() {
+	var err error
+	h = Headscale{
+		dbType:   "sqlite3",
+		dbString: "integration_test_db.sqlite3",
+	}
+
+	if ppool, err := dockertest.NewPool(""); err == nil {
+		pool = *ppool
+	} else {
+		log.Fatalf("Could not connect to docker: %s", err)
+	}
+
+	if pnetwork, err := pool.CreateNetwork("headscale-test"); err == nil {
+		network = *pnetwork
+	} else {
+		log.Fatalf("Could not create network: %s", err)
+	}
+
+	headscaleBuildOptions := &dockertest.BuildOptions{
+		Dockerfile: "Dockerfile",
+		ContextDir: ".",
+	}
+
+	tailscaleBuildOptions := &dockertest.BuildOptions{
+		Dockerfile: "Dockerfile.tailscale",
+		ContextDir: ".",
+	}
+
+	currentPath, err := os.Getwd()
+	if err != nil {
+		log.Fatalf("Could not determine current path: %s", err)
+	}
+
+	headscaleOptions := &dockertest.RunOptions{
+		Name: "headscale",
+		Mounts: []string{
+			fmt.Sprintf("%s/integration_test/etc:/etc/headscale", currentPath),
+			fmt.Sprintf("%s/derp.yaml:/etc/headscale/derp.yaml", currentPath),
+		},
+		Networks: []*dockertest.Network{&network},
+		Cmd:      []string{"headscale", "serve"},
+		PortBindings: map[docker.Port][]docker.PortBinding{
+			"8080/tcp": []docker.PortBinding{{HostPort: "8080"}},
+		},
+		Env: []string{},
+	}
+
+	fmt.Println("Creating headscale container")
+	if pheadscale, err := pool.BuildAndRunWithBuildOptions(headscaleBuildOptions, headscaleOptions, dockerRestartPolicy); err == nil {
+		headscale = *pheadscale
+	} else {
+		log.Fatalf("Could not start resource: %s", err)
+	}
+	fmt.Println("Created headscale container")
+
+	fmt.Println("Creating tailscale containers")
+	tailscales = make(map[string]dockertest.Resource)
+	for i := 0; i < tailscaleCount; i++ {
+		hostname := fmt.Sprintf("tailscale%d", i)
+		tailscaleOptions := &dockertest.RunOptions{
+			Name:     hostname,
+			Networks: []*dockertest.Network{&network},
+			Cmd:      []string{"tailscaled", "--tun=userspace-networking", "--socks5-server=localhost:1055"},
+			Env:      []string{},
+		}
+
+		if pts, err := pool.BuildAndRunWithBuildOptions(tailscaleBuildOptions, tailscaleOptions, dockerRestartPolicy); err == nil {
+			tailscales[hostname] = *pts
+		} else {
+			log.Fatalf("Could not start resource: %s", err)
+		}
+		fmt.Printf("Created %s container\n", hostname)
+	}
+
+	// TODO: Replace this logic with something that can be detected on Github Actions
+	fmt.Println("Waiting for headscale to be ready")
+	hostEndpoint := fmt.Sprintf("localhost:%s", headscale.GetPort("8080/tcp"))
+
+	if err := pool.Retry(func() error {
+		url := fmt.Sprintf("http://%s/health", hostEndpoint)
+		resp, err := http.Get(url)
+		if err != nil {
+			return err
+		}
+		if resp.StatusCode != http.StatusOK {
+			return fmt.Errorf("status code not OK")
+		}
+		return nil
+	}); err != nil {
+		log.Fatalf("Could not connect to docker: %s", err)
+	}
+	fmt.Println("headscale container is ready")
+
+	fmt.Println("Creating headscale namespace")
+	result, err := executeCommand(
+		&headscale,
+		[]string{"headscale", "namespaces", "create", "test"},
+	)
+	assert.Nil(s.T(), err)
+
+	fmt.Println("Creating pre auth key")
+	authKey, err := executeCommand(
+		&headscale,
+		[]string{"headscale", "-n", "test", "preauthkeys", "create", "--reusable", "--expiration", "24h"},
+	)
+	assert.Nil(s.T(), err)
+
+	headscaleEndpoint := fmt.Sprintf("http://headscale:%s", headscale.GetPort("8080/tcp"))
+
+	fmt.Printf("Joining tailscale containers to headscale at %s\n", headscaleEndpoint)
+	for hostname, tailscale := range tailscales {
+		command := []string{"tailscale", "up", "-login-server", headscaleEndpoint, "--authkey", strings.TrimSuffix(authKey, "\n"), "--hostname", hostname}
+
+		fmt.Println("Join command:", command)
+		fmt.Printf("Running join command for %s\n", hostname)
+		result, err = executeCommand(
+			&tailscale,
+			command,
+		)
+		fmt.Println("tailscale result: ", result)
+		assert.Nil(s.T(), err)
+		fmt.Printf("%s joined\n", hostname)
+	}
+
+	// The nodes need a bit of time to get their updated maps from headscale
+	// TODO: See if we can have a more deterministic wait here.
+	time.Sleep(20 * time.Second)
+}
+
+func (s *IntegrationTestSuite) TearDownSuite() {
+	if err := pool.Purge(&headscale); err != nil {
+		log.Printf("Could not purge resource: %s\n", err)
+	}
+
+	for _, tailscale := range tailscales {
+		if err := pool.Purge(&tailscale); err != nil {
+			log.Printf("Could not purge resource: %s\n", err)
+		}
+	}
+
+	if err := network.Close(); err != nil {
+		log.Printf("Could not close network: %s\n", err)
+	}
+}
+
+func (s *IntegrationTestSuite) TestListNodes() {
+	fmt.Println("Listing nodes")
+	result, err := executeCommand(
+		&headscale,
+		[]string{"headscale", "-n", "test", "nodes", "list"},
+	)
+	assert.Nil(s.T(), err)
+
+	fmt.Printf("List nodes: \n%s\n", result)
+
+	// Chck that the correct count of host is present in node list
+	lines := strings.Split(result, "\n")
+	assert.Equal(s.T(), len(tailscales), len(lines)-2)
+
+	for hostname, _ := range tailscales {
+		assert.Contains(s.T(), result, hostname)
+	}
+}
+
+func (s *IntegrationTestSuite) TestGetIpAddresses() {
+	ipPrefix := netaddr.MustParseIPPrefix("100.64.0.0/10")
+	ips, err := getIPs()
+	assert.Nil(s.T(), err)
+
+	for hostname, _ := range tailscales {
+		s.T().Run(hostname, func(t *testing.T) {
+			ip := ips[hostname]
+
+			fmt.Printf("IP for %s: %s\n", hostname, ip)
+
+			// c.Assert(ip.Valid(), check.IsTrue)
+			assert.True(t, ip.Is4())
+			assert.True(t, ipPrefix.Contains(ip))
+
+			ips[hostname] = ip
+		})
+	}
+}
+
+func (s *IntegrationTestSuite) TestStatus() {
+	ips, err := getIPs()
+	assert.Nil(s.T(), err)
+
+	for hostname, tailscale := range tailscales {
+		s.T().Run(hostname, func(t *testing.T) {
+			command := []string{"tailscale", "status"}
+
+			fmt.Printf("Getting status for %s\n", hostname)
+			result, err := executeCommand(
+				&tailscale,
+				command,
+			)
+			assert.Nil(t, err)
+			// fmt.Printf("Status for %s: %s", hostname, result)
+
+			// Check if we have as many nodes in status
+			// as we have IPs/tailscales
+			lines := strings.Split(result, "\n")
+			assert.Equal(t, len(ips), len(lines)-1)
+			assert.Equal(t, len(tailscales), len(lines)-1)
+
+			// Check that all hosts is present in all hosts status
+			for ipHostname, ip := range ips {
+				assert.Contains(t, result, ip.String())
+				assert.Contains(t, result, ipHostname)
+			}
+		})
+	}
+}
+
+func (s *IntegrationTestSuite) TestPingAllPeers() {
+	ips, err := getIPs()
+	assert.Nil(s.T(), err)
+
+	for hostname, tailscale := range tailscales {
+		for peername, ip := range ips {
+			s.T().Run(fmt.Sprintf("%s-%s", hostname, peername), func(t *testing.T) {
+				// We currently cant ping ourselves, so skip that.
+				if peername != hostname {
+					command := []string{"tailscale", "ping", "--timeout=1s", "--c=1", ip.String()}
+
+					fmt.Printf("Pinging from %s (%s) to %s (%s)\n", hostname, ips[hostname], peername, ip)
+					result, err := executeCommand(
+						&tailscale,
+						command,
+					)
+					assert.Nil(t, err)
+					fmt.Printf("Result for %s: %s\n", hostname, result)
+					assert.Contains(t, result, "pong")
+				}
+			})
+		}
+	}
+}
+
+func getIPs() (map[string]netaddr.IP, error) {
+	ips := make(map[string]netaddr.IP)
+	for hostname, tailscale := range tailscales {
+		command := []string{"tailscale", "ip"}
+
+		result, err := executeCommand(
+			&tailscale,
+			command,
+		)
+		if err != nil {
+			return nil, err
+		}
+
+		ip, err := netaddr.ParseIP(strings.TrimSuffix(result, "\n"))
+		if err != nil {
+			return nil, err
+		}
+
+		ips[hostname] = ip
+	}
+	return ips, nil
+}

integration_test/.gitignore

@@ -0,0 +1,3 @@
+derp.yaml
+*.sqlite
+*.sqlite3

integration_test/etc/config.json

@@ -0,0 +1,11 @@
+{
+  "server_url": "http://headscale:8080",
+  "listen_addr": "0.0.0.0:8080",
+  "private_key_path": "private.key",
+  "derp_map_path": "derp.yaml",
+  "ephemeral_node_inactivity_timeout": "30m",
+  "db_type": "sqlite3",
+  "db_path": "/tmp/integration_test_db.sqlite3",
+  "acl_policy_path": "",
+  "log_level": "trace"
+}

integration_test/etc/private.key

@@ -0,0 +1 @@
+SEmQwCu+tGywQWEUsf93TpTRUvlB7WhnCdHgWrSXjEA=

machine.go

@@ -72,6 +72,10 @@ func (m Machine) toNode() (*tailcfg.Node, error) {
 	addrs := []netaddr.IPPrefix{}
 	ip, err := netaddr.ParseIPPrefix(fmt.Sprintf("%s/32", m.IPAddress))
 	if err != nil {
+		log.Trace().
+			Str("func", "toNode").
+			Str("ip", m.IPAddress).
+			Msgf("Failed to parse IP Prefix from IP: %s", m.IPAddress)
 		return nil, err
 	}
 	addrs = append(addrs, ip) // missing the ipv6 ?
@@ -155,6 +159,10 @@ func (m Machine) toNode() (*tailcfg.Node, error) {
 }
 
 func (h *Headscale) getPeers(m Machine) (*[]*tailcfg.Node, error) {
+	log.Trace().
+		Str("func", "getPeers").
+		Str("machine", m.Name).
+		Msg("Finding peers")
 	machines := []Machine{}
 	if err := h.db.Where("namespace_id = ? AND machine_key <> ? AND registered",
 		m.NamespaceID, m.MachineKey).Find(&machines).Error; err != nil {
@@ -171,6 +179,11 @@ func (h *Headscale) getPeers(m Machine) (*[]*tailcfg.Node, error) {
 		peers = append(peers, peer)
 	}
 	sort.Slice(peers, func(i, j int) bool { return peers[i].ID < peers[j].ID })
+
+	log.Trace().
+		Str("func", "getPeers").
+		Str("machine", m.Name).
+		Msgf("Found peers: %s", tailNodesToString(peers))
 	return &peers, nil
 }
 
@@ -234,3 +247,25 @@ func (m *Machine) GetHostInfo() (*tailcfg.Hostinfo, error) {
 	}
 	return &hostinfo, nil
 }
+
+func (h *Headscale) notifyChangesToPeers(m *Machine) {
+	peers, _ := h.getPeers(*m)
+	for _, p := range *peers {
+		pUp, ok := h.clientsPolling.Load(uint64(p.ID))
+		if ok {
+			log.Info().
+				Str("func", "notifyChangesToPeers").
+				Str("machine", m.Name).
+				Str("peer", m.Name).
+				Str("address", p.Addresses[0].String()).
+				Msgf("Notifying peer %s (%s)", p.Name, p.Addresses[0])
+			pUp.(chan []byte) <- []byte{}
+		} else {
+			log.Info().
+				Str("func", "notifyChangesToPeers").
+				Str("machine", m.Name).
+				Str("peer", m.Name).
+				Msgf("Peer %s does not appear to be polling", p.Name)
+		}
+	}
+}

namespaces.go

@@ -169,25 +169,7 @@ func (h *Headscale) checkForNamespacesPendingUpdates() {
 			continue
 		}
 		for _, m := range *machines {
-			peers, _ := h.getPeers(m)
-			for _, p := range *peers {
-				pUp, ok := h.clientsPolling.Load(uint64(p.ID))
-				if ok {
-					log.Info().
-						Str("func", "checkForNamespacesPendingUpdates").
-						Str("machine", m.Name).
-						Str("peer", m.Name).
-						Str("address", p.Addresses[0].String()).
-						Msgf("Notifying peer %s (%s)", p.Name, p.Addresses[0])
-					pUp.(chan []byte) <- []byte{}
-				} else {
-					log.Info().
-						Str("func", "checkForNamespacesPendingUpdates").
-						Str("machine", m.Name).
-						Str("peer", m.Name).
-						Msgf("Peer %s does not appear to be polling", p.Name)
-				}
-			}
+			h.notifyChangesToPeers(&m)
 		}
 	}
 	newV, err := h.getValue("namespaces_pending_updates")

poll.go

@@ -0,0 +1,98 @@
+package headscale
+
+import (
+	"io"
+	"time"
+
+	"github.com/gin-gonic/gin"
+	"github.com/rs/zerolog/log"
+	"tailscale.com/tailcfg"
+	"tailscale.com/types/wgkey"
+)
+
+func (h *Headscale) PollNetMapStream(
+	c *gin.Context,
+	m Machine,
+	req tailcfg.MapRequest,
+	mKey wgkey.Key,
+	pollData chan []byte,
+	update chan []byte,
+	cancelKeepAlive chan []byte,
+) {
+
+	go h.keepAlive(cancelKeepAlive, pollData, mKey, req, m)
+
+	c.Stream(func(w io.Writer) bool {
+		log.Trace().
+			Str("handler", "PollNetMapStream").
+			Str("machine", m.Name).
+			Msg("Waiting for data to stream...")
+		select {
+
+		case data := <-pollData:
+			log.Trace().
+				Str("handler", "PollNetMapStream").
+				Str("machine", m.Name).
+				Int("bytes", len(data)).
+				Msg("Sending data received via pollData channel")
+			_, err := w.Write(data)
+			if err != nil {
+				log.Error().
+					Str("handler", "PollNetMapStream").
+					Str("machine", m.Name).
+					Err(err).
+					Msg("Cannot write data")
+			}
+			log.Trace().
+				Str("handler", "PollNetMapStream").
+				Str("machine", m.Name).
+				Int("bytes", len(data)).
+				Msg("Data from pollData channel written successfully")
+			now := time.Now().UTC()
+			m.LastSeen = &now
+			h.db.Save(&m)
+			log.Trace().
+				Str("handler", "PollNetMapStream").
+				Str("machine", m.Name).
+				Int("bytes", len(data)).
+				Msg("Machine updated successfully after sending pollData")
+			return true
+
+		case <-update:
+			log.Debug().
+				Str("handler", "PollNetMapStream").
+				Str("machine", m.Name).
+				Msg("Received a request for update")
+			data, err := h.getMapResponse(mKey, req, m)
+			if err != nil {
+				log.Error().
+					Str("handler", "PollNetMapStream").
+					Str("machine", m.Name).
+					Err(err).
+					Msg("Could not get the map update")
+			}
+			_, err = w.Write(*data)
+			if err != nil {
+				log.Error().
+					Str("handler", "PollNetMapStream").
+					Str("machine", m.Name).
+					Err(err).
+					Msg("Could not write the map response")
+			}
+			return true
+
+		case <-c.Request.Context().Done():
+			log.Info().
+				Str("handler", "PollNetMapStream").
+				Str("machine", m.Name).
+				Msg("The client has closed the connection")
+			now := time.Now().UTC()
+			m.LastSeen = &now
+			h.db.Save(&m)
+			cancelKeepAlive <- []byte{}
+			h.clientsPolling.Delete(m.ID)
+			close(update)
+			return false
+		}
+	})
+}

preauth_keys.go

@@ -67,6 +67,28 @@ func (h *Headscale) GetPreAuthKeys(namespaceName string) (*[]PreAuthKey, error)
 	return &keys, nil
 }
 
+// GetPreAuthKey returns a PreAuthKey for a given key
+func (h *Headscale) GetPreAuthKey(namespace string, key string) (*PreAuthKey, error) {
+	pak, err := h.checkKeyValidity(key)
+	if err != nil {
+		return nil, err
+	}
+
+	if pak.Namespace.Name != namespace {
+		return nil, errors.New("Namespace mismatch")
+	}
+
+	return pak, nil
+}
+
+// MarkExpirePreAuthKey marks a PreAuthKey as expired
+func (h *Headscale) MarkExpirePreAuthKey(k *PreAuthKey) error {
+	if err := h.db.Model(&k).Update("Expiration", time.Now()).Error; err != nil {
+		return err
+	}
+	return nil
+}
+
 // checkKeyValidity does the heavy lifting for validation of the PreAuthKey coming from a node
 // If returns no error and a PreAuthKey, it can be used
 func (h *Headscale) checkKeyValidity(k string) (*PreAuthKey, error) {

preauth_keys_test.go

@@ -163,3 +163,20 @@ func (*Suite) TestEphemeralKey(c *check.C) {
 	_, err = h.GetMachine("test7", "testest")
 	c.Assert(err, check.NotNil)
 }
+
+func (*Suite) TestExpirePreauthKey(c *check.C) {
+	n, err := h.CreateNamespace("test3")
+	c.Assert(err, check.IsNil)
+
+	pak, err := h.CreatePreAuthKey(n.Name, true, false, nil)
+	c.Assert(err, check.IsNil)
+	c.Assert(pak.Expiration, check.IsNil)
+
+	err = h.MarkExpirePreAuthKey(pak)
+	c.Assert(err, check.IsNil)
+	c.Assert(pak.Expiration, check.NotNil)
+
+	p, err := h.checkKeyValidity(pak.Key)
+	c.Assert(err, check.Equals, errorAuthKeyExpired)
+	c.Assert(p, check.IsNil)
+}

routes.go

@@ -45,19 +45,12 @@ func (h *Headscale) EnableNodeRoute(namespace string, nodeName string, routeStr
 			m.EnabledRoutes = datatypes.JSON(routes)
 			h.db.Save(&m)
 
-			// THIS IS COMPLETELY USELESS.
-			// The peers map is stored in memory in the server process.
-			// Definetely not accessible from the CLI tool.
-			// We need RPC to the server - or some kind of 'needsUpdate' field in the DB
-			peers, _ := h.getPeers(*m)
-			for _, p := range *peers {
-				if pUp, ok := h.clientsPolling.Load(uint64(p.ID)); ok {
-					pUp.(chan []byte) <- []byte{}
-				}
+			err = h.RequestMapUpdates(m.NamespaceID)
+			if err != nil {
+				return nil, err
 			}
 			return &rIP, nil
 		}
 	}
-
 	return nil, errors.New("could not find routable range")
 }

utils.go

@@ -10,9 +10,11 @@ import (
 	"encoding/json"
 	"fmt"
 	"io"
+	"strings"
 
 	"golang.org/x/crypto/nacl/box"
 	"inet.af/netaddr"
+	"tailscale.com/tailcfg"
 	"tailscale.com/types/wgkey"
 )
 
@@ -58,6 +60,7 @@ func encode(v interface{}, pubKey *wgkey.Key, privKey *wgkey.Private) ([]byte, e
 	if err != nil {
 		return nil, err
 	}
+
 	return encodeMsg(b, pubKey, privKey)
 }
 
@@ -139,3 +142,17 @@ func containsIPs(ips []netaddr.IP, ip netaddr.IP) bool {
 
 	return false
 }
+
+func tailNodesToString(nodes []*tailcfg.Node) string {
+	temp := make([]string, len(nodes))
+
+	for index, node := range nodes {
+		temp[index] = node.Name
+	}
+
+	return fmt.Sprintf("[ %s ](%d)", strings.Join(temp, ", "), len(temp))
+}
+
+func tailMapResponseToString(resp tailcfg.MapResponse) string {
+	return fmt.Sprintf("{ Node: %s, Peers: %s }", resp.Node.Name, tailNodesToString(resp.Peers))
+}