Run on correct change

Signed-off-by: Kristoffer Dalby <kristoffer@tailscale.com>

.github/workflows/lint.yml

@@ -1,5 +1,5 @@
 ---
-name: CI
+name: Lint
 
 on: [push, pull_request]
 

.github/workflows/release.yml

@@ -1,5 +1,5 @@
 ---
-name: release
+name: Release
 
 on:
   push:

.github/workflows/test-integration-cli.yml

@@ -1,4 +1,4 @@
-name: CI
+name: Integration Test CLI
 
 on: [pull_request]
 

.github/workflows/test-integration-derp.yml

@@ -1,4 +1,4 @@
-name: CI
+name: Integration Test DERP
 
 on: [pull_request]
 

.github/workflows/test-integration-oidc.yml

@@ -1,4 +1,4 @@
-name: CI
+name: Integration Test OIDC
 
 on: [pull_request]
 

.github/workflows/test-integration-v2-kradalby.yml

@@ -1,21 +1,16 @@
-name: CI
+name: Integration Test v2 - kradalby
 
 on: [pull_request]
 
 jobs:
-  integration-test-v2-general:
-    runs-on: ubuntu-latest
+  integration-test-v2-kradalby:
+    runs-on: [self-hosted, linux, x64, nixos, docker]
 
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
         with:
           fetch-depth: 2
 
-      - name: Set Swap Space
-        uses: pierotofy/set-swap-space@master
-        with:
-          swap-size-gb: 10
-
       - name: Get changed files
         id: changed-files
         uses: tj-actions/changed-files@v14.1
@@ -27,9 +22,6 @@ jobs:
             integration_test/
             config-example.yaml
 
-      - uses: cachix/install-nix-action@v16
-        if: steps.changed-files.outputs.any_changed == 'true'
-
       - name: Run general integration tests
         if: steps.changed-files.outputs.any_changed == 'true'
         run: nix develop --command -- make test_integration_v2_general

.github/workflows/test.yml

@@ -1,4 +1,4 @@
-name: CI
+name: Tests
 
 on: [push, pull_request]
 

Dockerfile.debug

@@ -13,7 +13,7 @@ RUN CGO_ENABLED=0 GOOS=linux go install -ldflags="-s -w -X github.com/juanfont/h
 RUN test -e /go/bin/headscale
 
 # Debug image
-FROM gcr.io/distroless/base-debian11:debug
+FROM docker.io/golang:1.19.0-bullseye
 
 COPY --from=build /go/bin/headscale /bin/headscale
 ENV TZ UTC

Makefile

@@ -64,7 +64,7 @@ test_integration_v2_general:
 		-v $$PWD:$$PWD -w $$PWD/integration \
 		-v /var/run/docker.sock:/var/run/docker.sock \
 		golang:1 \
-		go test ./... -timeout 60m
+		go test ./... -timeout 60m -parallel 6
 
 coverprofile_func:
 	go tool cover -func=coverage.out

integration/hsic/config.go

@@ -0,0 +1,97 @@
+package hsic
+
+// const (
+// 	defaultEphemeralNodeInactivityTimeout = time.Second * 30
+// 	defaultNodeUpdateCheckInterval        = time.Second * 10
+// )
+
+// TODO(kradalby): This approach doesnt work because we cannot
+// serialise our config object to YAML or JSON.
+// func DefaultConfig() headscale.Config {
+// 	derpMap, _ := url.Parse("https://controlplane.tailscale.com/derpmap/default")
+//
+// 	config := headscale.Config{
+// 		Log: headscale.LogConfig{
+// 			Level: zerolog.TraceLevel,
+// 		},
+// 		ACL:                            headscale.GetACLConfig(),
+// 		DBtype:                         "sqlite3",
+// 		EphemeralNodeInactivityTimeout: defaultEphemeralNodeInactivityTimeout,
+// 		NodeUpdateCheckInterval:        defaultNodeUpdateCheckInterval,
+// 		IPPrefixes: []netip.Prefix{
+// 			netip.MustParsePrefix("fd7a:115c:a1e0::/48"),
+// 			netip.MustParsePrefix("100.64.0.0/10"),
+// 		},
+// 		DNSConfig: &tailcfg.DNSConfig{
+// 			Proxied: true,
+// 			Nameservers: []netip.Addr{
+// 				netip.MustParseAddr("127.0.0.11"),
+// 				netip.MustParseAddr("1.1.1.1"),
+// 			},
+// 			Resolvers: []*dnstype.Resolver{
+// 				{
+// 					Addr: "127.0.0.11",
+// 				},
+// 				{
+// 					Addr: "1.1.1.1",
+// 				},
+// 			},
+// 		},
+// 		BaseDomain: "headscale.net",
+//
+// 		DBpath: "/tmp/integration_test_db.sqlite3",
+//
+// 		PrivateKeyPath:      "/tmp/integration_private.key",
+// 		NoisePrivateKeyPath: "/tmp/noise_integration_private.key",
+// 		Addr:                "0.0.0.0:8080",
+// 		MetricsAddr:         "127.0.0.1:9090",
+// 		ServerURL:           "http://headscale:8080",
+//
+// 		DERP: headscale.DERPConfig{
+// 			URLs: []url.URL{
+// 				*derpMap,
+// 			},
+// 			AutoUpdate:      false,
+// 			UpdateFrequency: 1 * time.Minute,
+// 		},
+// 	}
+//
+// 	return config
+// }
+
+// TODO: Reuse the actual configuration object above.
+func DefaultConfigYAML() string {
+	yaml := `
+log:
+  level: trace
+acl_policy_path: ""
+db_type: sqlite3
+db_path: /tmp/integration_test_db.sqlite3
+ephemeral_node_inactivity_timeout: 30m
+node_update_check_interval: 10s
+ip_prefixes:
+  - fd7a:115c:a1e0::/48
+  - 100.64.0.0/10
+dns_config:
+  base_domain: headscale.net
+  magic_dns: true
+  domains: []
+  nameservers:
+    - 127.0.0.11
+    - 1.1.1.1
+private_key_path: /tmp/private.key
+noise:
+  private_key_path: /tmp/noise_private.key
+listen_addr: 0.0.0.0:8080
+metrics_listen_addr: 127.0.0.1:9090
+server_url: http://headscale:8080
+
+derp:
+  urls:
+    - https://controlplane.tailscale.com/derpmap/default
+  auto_update_enabled: false
+  update_frequency: 1m
+`
+
+	return yaml
+}

integration/hsic/hsic.go

@@ -1,23 +1,27 @@
 package hsic
 
 import (
+	"archive/tar"
+	"bytes"
 	"encoding/json"
 	"errors"
 	"fmt"
+	"io"
 	"log"
 	"net/http"
-	"os"
-	"path"
+	"path/filepath"
 
 	"github.com/juanfont/headscale"
 	v1 "github.com/juanfont/headscale/gen/go/headscale/v1"
 	"github.com/juanfont/headscale/integration/dockertestutil"
 	"github.com/ory/dockertest/v3"
+	"github.com/ory/dockertest/v3/docker"
 )
 
 const (
 	hsicHashLength    = 6
 	dockerContextPath = "../."
+	aclPolicyPath     = "/etc/headscale/acl.hujson"
 )
 
 var errHeadscaleStatusCodeNotOk = errors.New("headscale status code not ok")
@@ -29,44 +33,76 @@ type HeadscaleInContainer struct {
 	pool      *dockertest.Pool
 	container *dockertest.Resource
 	network   *dockertest.Network
+
+	// optional config
+	aclPolicy *headscale.ACLPolicy
+	env       []string
+}
+
+type Option = func(c *HeadscaleInContainer)
+
+func WithACLPolicy(acl *headscale.ACLPolicy) Option {
+	return func(hsic *HeadscaleInContainer) {
+		hsic.aclPolicy = acl
+	}
+}
+
+func WithConfigEnv(configEnv map[string]string) Option {
+	return func(hsic *HeadscaleInContainer) {
+		env := []string{}
+
+		for key, value := range configEnv {
+			env = append(env, fmt.Sprintf("%s=%s", key, value))
+		}
+
+		hsic.env = env
+	}
 }
 
 func New(
 	pool *dockertest.Pool,
 	port int,
 	network *dockertest.Network,
+	opts ...Option,
 ) (*HeadscaleInContainer, error) {
 	hash, err := headscale.GenerateRandomStringDNSSafe(hsicHashLength)
 	if err != nil {
 		return nil, err
 	}
 
-	headscaleBuildOptions := &dockertest.BuildOptions{
-		Dockerfile: "Dockerfile",
-		ContextDir: dockerContextPath,
-	}
-
 	hostname := fmt.Sprintf("hs-%s", hash)
 	portProto := fmt.Sprintf("%d/tcp", port)
 
-	currentPath, err := os.Getwd()
-	if err != nil {
-		return nil, fmt.Errorf("could not determine current path: %w", err)
+	hsic := &HeadscaleInContainer{
+		hostname: hostname,
+		port:     port,
+
+		pool:    pool,
+		network: network,
 	}
 
-	integrationConfigPath := path.Join(currentPath, "..", "integration_test", "etc")
+	for _, opt := range opts {
+		opt(hsic)
+	}
+
+	if hsic.aclPolicy != nil {
+		hsic.env = append(hsic.env, fmt.Sprintf("HEADSCALE_ACL_POLICY_PATH=%s", aclPolicyPath))
+	}
+
+	headscaleBuildOptions := &dockertest.BuildOptions{
+		Dockerfile: "Dockerfile.debug",
+		ContextDir: dockerContextPath,
+	}
 
 	runOptions := &dockertest.RunOptions{
-		Name: hostname,
-		// TODO(kradalby): Do something clever here, can we ditch the config repo?
-		// Always generate the config from code?
-		Mounts: []string{
-			fmt.Sprintf("%s:/etc/headscale", integrationConfigPath),
-		},
+		Name:         hostname,
 		ExposedPorts: []string{portProto},
-		// TODO(kradalby): WHY do we need to bind these now that we run fully in docker?
-		Networks: []*dockertest.Network{network},
-		Cmd:      []string{"headscale", "serve"},
+		Networks:     []*dockertest.Network{network},
+		// Cmd:          []string{"headscale", "serve"},
+		// TODO(kradalby): Get rid of this hack, we currently need to give us some
+		// to inject the headscale configuration further down.
+		Entrypoint: []string{"/bin/bash", "-c", "/bin/sleep 3 ; headscale serve"},
+		Env:        hsic.env,
 	}
 
 	// dockertest isnt very good at handling containers that has already
@@ -89,14 +125,26 @@ func New(
 	}
 	log.Printf("Created %s container\n", hostname)
 
-	return &HeadscaleInContainer{
-		hostname: hostname,
-		port:     port,
+	hsic.container = container
 
-		pool:      pool,
-		container: container,
-		network:   network,
-	}, nil
+	err = hsic.WriteFile("/etc/headscale/config.yaml", []byte(DefaultConfigYAML()))
+	if err != nil {
+		return nil, fmt.Errorf("failed to write headscale config to container: %w", err)
+	}
+
+	if hsic.aclPolicy != nil {
+		data, err := json.Marshal(hsic.aclPolicy)
+		if err != nil {
+			return nil, fmt.Errorf("failed to marshal ACL Policy to JSON: %w", err)
+		}
+
+		err = hsic.WriteFile(aclPolicyPath, data)
+		if err != nil {
+			return nil, fmt.Errorf("failed to write ACL policy to container: %w", err)
+		}
+	}
+
+	return hsic, nil
 }
 
 func (t *HeadscaleInContainer) Shutdown() error {
@@ -244,3 +292,57 @@ func (t *HeadscaleInContainer) ListMachinesInNamespace(
 
 	return nodes, nil
 }
+
+func (t *HeadscaleInContainer) WriteFile(path string, data []byte) error {
+	dirPath, fileName := filepath.Split(path)
+
+	file := bytes.NewReader(data)
+
+	buf := bytes.NewBuffer([]byte{})
+
+	tarWriter := tar.NewWriter(buf)
+
+	header := &tar.Header{
+		Name: fileName,
+		Size: file.Size(),
+		// Mode:    int64(stat.Mode()),
+		// ModTime: stat.ModTime(),
+	}
+
+	err := tarWriter.WriteHeader(header)
+	if err != nil {
+		return fmt.Errorf("failed write file header to tar: %w", err)
+	}
+
+	_, err = io.Copy(tarWriter, file)
+	if err != nil {
+		return fmt.Errorf("failed to copy file to tar: %w", err)
+	}
+
+	err = tarWriter.Close()
+	if err != nil {
+		return fmt.Errorf("failed to close tar: %w", err)
+	}
+
+	log.Printf("tar: %s", buf.String())
+
+	// Ensure the directory is present inside the container
+	_, err = t.Execute([]string{"mkdir", "-p", dirPath})
+	if err != nil {
+		return fmt.Errorf("failed to ensure directory: %w", err)
+	}
+
+	err = t.pool.Client.UploadToContainer(
+		t.container.Container.ID,
+		docker.UploadToContainerOptions{
+			NoOverwriteDirNonDir: false,
+			Path:                 dirPath,
+			InputStream:          bytes.NewReader(buf.Bytes()),
+		},
+	)
+	if err != nil {
+		return err
+	}
+
+	return nil
+}

integration/scenario.go

@@ -55,8 +55,7 @@ type Namespace struct {
 	syncWaitGroup   sync.WaitGroup
 }
 
-// TODO(kradalby): make control server configurable, test test correctness with
-// Tailscale SaaS.
+// TODO(kradalby): make control server configurable, test correctness with Tailscale SaaS.
 type Scenario struct {
 	// TODO(kradalby): support multiple headcales for later, currently only
 	// use one.
@@ -152,7 +151,19 @@ func (s *Scenario) Namespaces() []string {
 
 // TODO(kradalby): make port and headscale configurable, multiple instances support?
 func (s *Scenario) StartHeadscale() error {
-	headscale, err := hsic.New(s.pool, headscalePort, s.network)
+	headscale, err := hsic.New(s.pool, headscalePort, s.network,
+		hsic.WithACLPolicy(
+			&headscale.ACLPolicy{
+				ACLs: []headscale.ACL{
+					{
+						Action:       "accept",
+						Sources:      []string{"*"},
+						Destinations: []string{"*:*"},
+					},
+				},
+			},
+		),
+	)
 	if err != nil {
 		return fmt.Errorf("failed to create headscale container: %w", err)
 	}