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route_test.go
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package integration
import (
"fmt"
"net/netip"
"sort"
"testing"
"time"
"slices"
"github.com/google/go-cmp/cmp"
"github.com/google/go-cmp/cmp/cmpopts"
v1 "github.com/juanfont/headscale/gen/go/headscale/v1"
policyv1 "github.com/juanfont/headscale/hscontrol/policy/v1"
"github.com/juanfont/headscale/hscontrol/types"
"github.com/juanfont/headscale/hscontrol/util"
"github.com/juanfont/headscale/integration/hsic"
"github.com/juanfont/headscale/integration/tsic"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
"tailscale.com/ipn/ipnstate"
"tailscale.com/net/tsaddr"
"tailscale.com/types/ipproto"
"tailscale.com/types/views"
"tailscale.com/util/slicesx"
"tailscale.com/wgengine/filter"
)
var allPorts = filter.PortRange{First: 0, Last: 0xffff}
// This test is both testing the routes command and the propagation of
// routes.
func TestEnablingRoutes(t *testing.T) {
IntegrationSkip(t)
t.Parallel()
spec := ScenarioSpec{
NodesPerUser: 3,
Users: []string{"user1"},
}
scenario, err := NewScenario(spec)
require.NoErrorf(t, err, "failed to create scenario: %s", err)
defer scenario.ShutdownAssertNoPanics(t)
err = scenario.CreateHeadscaleEnv(
[]tsic.Option{tsic.WithAcceptRoutes()},
hsic.WithTestName("clienableroute"))
assertNoErrHeadscaleEnv(t, err)
allClients, err := scenario.ListTailscaleClients()
assertNoErrListClients(t, err)
err = scenario.WaitForTailscaleSync()
assertNoErrSync(t, err)
headscale, err := scenario.Headscale()
assertNoErrGetHeadscale(t, err)
expectedRoutes := map[string]string{
"1": "10.0.0.0/24",
"2": "10.0.1.0/24",
"3": "10.0.2.0/24",
}
// advertise routes using the up command
for _, client := range allClients {
status, err := client.Status()
require.NoError(t, err)
command := []string{
"tailscale",
"set",
"--advertise-routes=" + expectedRoutes[string(status.Self.ID)],
}
_, _, err = client.Execute(command)
require.NoErrorf(t, err, "failed to advertise route: %s", err)
}
err = scenario.WaitForTailscaleSync()
assertNoErrSync(t, err)
nodes, err := headscale.ListNodes()
require.NoError(t, err)
for _, node := range nodes {
assert.Len(t, node.GetAvailableRoutes(), 1)
assert.Empty(t, node.GetApprovedRoutes())
assert.Empty(t, node.GetSubnetRoutes())
}
// Verify that no routes has been sent to the client,
// they are not yet enabled.
for _, client := range allClients {
status, err := client.Status()
require.NoError(t, err)
for _, peerKey := range status.Peers() {
peerStatus := status.Peer[peerKey]
assert.Nil(t, peerStatus.PrimaryRoutes)
}
}
for _, node := range nodes {
_, err := headscale.ApproveRoutes(
node.GetId(),
util.MustStringsToPrefixes(node.GetAvailableRoutes()),
)
require.NoError(t, err)
}
nodes, err = headscale.ListNodes()
require.NoError(t, err)
for _, node := range nodes {
assert.Len(t, node.GetAvailableRoutes(), 1)
assert.Len(t, node.GetApprovedRoutes(), 1)
assert.Len(t, node.GetSubnetRoutes(), 1)
}
time.Sleep(5 * time.Second)
// Verify that the clients can see the new routes
for _, client := range allClients {
status, err := client.Status()
require.NoError(t, err)
for _, peerKey := range status.Peers() {
peerStatus := status.Peer[peerKey]
assert.NotNil(t, peerStatus.PrimaryRoutes)
assert.Len(t, peerStatus.AllowedIPs.AsSlice(), 3)
requirePeerSubnetRoutes(t, peerStatus, []netip.Prefix{netip.MustParsePrefix(expectedRoutes[string(peerStatus.ID)])})
}
}
_, err = headscale.ApproveRoutes(
1,
[]netip.Prefix{netip.MustParsePrefix("10.0.1.0/24")},
)
require.NoError(t, err)
_, err = headscale.ApproveRoutes(
2,
[]netip.Prefix{},
)
require.NoError(t, err)
time.Sleep(5 * time.Second)
nodes, err = headscale.ListNodes()
require.NoError(t, err)
for _, node := range nodes {
if node.GetId() == 1 {
assert.Len(t, node.GetAvailableRoutes(), 1) // 10.0.0.0/24
assert.Len(t, node.GetApprovedRoutes(), 1) // 10.0.1.0/24
assert.Empty(t, node.GetSubnetRoutes())
} else if node.GetId() == 2 {
assert.Len(t, node.GetAvailableRoutes(), 1) // 10.0.1.0/24
assert.Empty(t, node.GetApprovedRoutes())
assert.Empty(t, node.GetSubnetRoutes())
} else {
assert.Len(t, node.GetAvailableRoutes(), 1) // 10.0.2.0/24
assert.Len(t, node.GetApprovedRoutes(), 1) // 10.0.2.0/24
assert.Len(t, node.GetSubnetRoutes(), 1) // 10.0.2.0/24
}
}
// Verify that the clients can see the new routes
for _, client := range allClients {
status, err := client.Status()
require.NoError(t, err)
for _, peerKey := range status.Peers() {
peerStatus := status.Peer[peerKey]
if peerStatus.ID == "1" {
requirePeerSubnetRoutes(t, peerStatus, nil)
} else if peerStatus.ID == "2" {
requirePeerSubnetRoutes(t, peerStatus, nil)
} else {
requirePeerSubnetRoutes(t, peerStatus, []netip.Prefix{netip.MustParsePrefix("10.0.2.0/24")})
}
}
}
}
func TestHASubnetRouterFailover(t *testing.T) {
IntegrationSkip(t)
t.Parallel()
spec := ScenarioSpec{
NodesPerUser: 3,
Users: []string{"user1", "user2"},
Networks: map[string][]string{
"usernet1": {"user1"},
"usernet2": {"user2"},
},
ExtraService: map[string][]extraServiceFunc{
"usernet1": {Webservice},
},
// We build the head image with curl and traceroute, so only use
// that for this test.
Versions: []string{"head"},
}
scenario, err := NewScenario(spec)
require.NoErrorf(t, err, "failed to create scenario: %s", err)
defer scenario.ShutdownAssertNoPanics(t)
err = scenario.CreateHeadscaleEnv(
[]tsic.Option{tsic.WithAcceptRoutes()},
hsic.WithTestName("clienableroute"),
hsic.WithEmbeddedDERPServerOnly(),
hsic.WithTLS(),
)
assertNoErrHeadscaleEnv(t, err)
allClients, err := scenario.ListTailscaleClients()
assertNoErrListClients(t, err)
err = scenario.WaitForTailscaleSync()
assertNoErrSync(t, err)
headscale, err := scenario.Headscale()
assertNoErrGetHeadscale(t, err)
prefp, err := scenario.SubnetOfNetwork("usernet1")
require.NoError(t, err)
pref := *prefp
t.Logf("usernet1 prefix: %s", pref.String())
usernet1, err := scenario.Network("usernet1")
require.NoError(t, err)
services, err := scenario.Services("usernet1")
require.NoError(t, err)
require.Len(t, services, 1)
web := services[0]
webip := netip.MustParseAddr(web.GetIPInNetwork(usernet1))
weburl := fmt.Sprintf("http://%s/etc/hostname", webip)
t.Logf("webservice: %s, %s", webip.String(), weburl)
// Sort nodes by ID
sort.SliceStable(allClients, func(i, j int) bool {
statusI := allClients[i].MustStatus()
statusJ := allClients[j].MustStatus()
return statusI.Self.ID < statusJ.Self.ID
})
// This is ok because the scenario makes users in order, so the three first
// nodes, which are subnet routes, will be created first, and the last user
// will be created with the second.
subRouter1 := allClients[0]
subRouter2 := allClients[1]
subRouter3 := allClients[2]
client := allClients[3]
t.Logf("Advertise route from r1 (%s), r2 (%s), r3 (%s), making it HA, n1 is primary", subRouter1.Hostname(), subRouter2.Hostname(), subRouter3.Hostname())
// advertise HA route on node 1, 2, 3
// ID 1 will be primary
// ID 2 will be standby
// ID 3 will be standby
for _, client := range allClients[:3] {
command := []string{
"tailscale",
"set",
"--advertise-routes=" + pref.String(),
}
_, _, err = client.Execute(command)
require.NoErrorf(t, err, "failed to advertise route: %s", err)
}
err = scenario.WaitForTailscaleSync()
assertNoErrSync(t, err)
time.Sleep(3 * time.Second)
nodes, err := headscale.ListNodes()
require.NoError(t, err)
assert.Len(t, nodes, 6)
assertNodeRouteCount(t, nodes[0], 1, 0, 0)
assertNodeRouteCount(t, nodes[1], 1, 0, 0)
assertNodeRouteCount(t, nodes[2], 1, 0, 0)
// Verify that no routes has been sent to the client,
// they are not yet enabled.
for _, client := range allClients {
status, err := client.Status()
require.NoError(t, err)
for _, peerKey := range status.Peers() {
peerStatus := status.Peer[peerKey]
assert.Nil(t, peerStatus.PrimaryRoutes)
requirePeerSubnetRoutes(t, peerStatus, nil)
}
}
// Enable route on node 1
t.Logf("Enabling route on subnet router 1, no HA")
_, err = headscale.ApproveRoutes(
1,
[]netip.Prefix{pref},
)
require.NoError(t, err)
time.Sleep(3 * time.Second)
nodes, err = headscale.ListNodes()
require.NoError(t, err)
assert.Len(t, nodes, 6)
assertNodeRouteCount(t, nodes[0], 1, 1, 1)
assertNodeRouteCount(t, nodes[1], 1, 0, 0)
assertNodeRouteCount(t, nodes[2], 1, 0, 0)
// Verify that the client has routes from the primary machine and can access
// the webservice.
srs1 := subRouter1.MustStatus()
srs2 := subRouter2.MustStatus()
srs3 := subRouter3.MustStatus()
clientStatus := client.MustStatus()
srs1PeerStatus := clientStatus.Peer[srs1.Self.PublicKey]
srs2PeerStatus := clientStatus.Peer[srs2.Self.PublicKey]
srs3PeerStatus := clientStatus.Peer[srs3.Self.PublicKey]
assert.True(t, srs1PeerStatus.Online, "r1 up, r2 up")
assert.True(t, srs2PeerStatus.Online, "r1 up, r2 up")
assert.True(t, srs3PeerStatus.Online, "r1 up, r2 up")
assert.Nil(t, srs2PeerStatus.PrimaryRoutes)
assert.Nil(t, srs3PeerStatus.PrimaryRoutes)
require.NotNil(t, srs1PeerStatus.PrimaryRoutes)
requirePeerSubnetRoutes(t, srs1PeerStatus, []netip.Prefix{pref})
requirePeerSubnetRoutes(t, srs2PeerStatus, nil)
requirePeerSubnetRoutes(t, srs3PeerStatus, nil)
t.Logf("got list: %v, want in: %v", srs1PeerStatus.PrimaryRoutes.AsSlice(), pref)
assert.Contains(t,
srs1PeerStatus.PrimaryRoutes.AsSlice(),
pref,
)
t.Logf("Validating access via subnetrouter(%s) to %s, no HA", subRouter1.MustIPv4().String(), webip.String())
result, err := client.Curl(weburl)
require.NoError(t, err)
assert.Len(t, result, 13)
tr, err := client.Traceroute(webip)
require.NoError(t, err)
assertTracerouteViaIP(t, tr, subRouter1.MustIPv4())
// Enable route on node 2, now we will have a HA subnet router
t.Logf("Enabling route on subnet router 2, now HA, subnetrouter 1 is primary, 2 is standby")
_, err = headscale.ApproveRoutes(
2,
[]netip.Prefix{pref},
)
require.NoError(t, err)
time.Sleep(3 * time.Second)
nodes, err = headscale.ListNodes()
require.NoError(t, err)
assert.Len(t, nodes, 6)
assertNodeRouteCount(t, nodes[0], 1, 1, 1)
assertNodeRouteCount(t, nodes[1], 1, 1, 0)
assertNodeRouteCount(t, nodes[2], 1, 0, 0)
// Verify that the client has routes from the primary machine
srs1 = subRouter1.MustStatus()
srs2 = subRouter2.MustStatus()
srs3 = subRouter3.MustStatus()
clientStatus = client.MustStatus()
srs1PeerStatus = clientStatus.Peer[srs1.Self.PublicKey]
srs2PeerStatus = clientStatus.Peer[srs2.Self.PublicKey]
srs3PeerStatus = clientStatus.Peer[srs3.Self.PublicKey]
assert.True(t, srs1PeerStatus.Online, "r1 up, r2 up")
assert.True(t, srs2PeerStatus.Online, "r1 up, r2 up")
assert.True(t, srs3PeerStatus.Online, "r1 up, r2 up")
assert.Nil(t, srs2PeerStatus.PrimaryRoutes)
assert.Nil(t, srs3PeerStatus.PrimaryRoutes)
require.NotNil(t, srs1PeerStatus.PrimaryRoutes)
requirePeerSubnetRoutes(t, srs1PeerStatus, []netip.Prefix{pref})
requirePeerSubnetRoutes(t, srs2PeerStatus, nil)
requirePeerSubnetRoutes(t, srs3PeerStatus, nil)
t.Logf("got list: %v, want in: %v", srs1PeerStatus.PrimaryRoutes.AsSlice(), pref)
assert.Contains(t,
srs1PeerStatus.PrimaryRoutes.AsSlice(),
pref,
)
t.Logf("Validating access via subnetrouter(%s) to %s, 2 is standby", subRouter1.MustIPv4().String(), webip.String())
result, err = client.Curl(weburl)
require.NoError(t, err)
assert.Len(t, result, 13)
tr, err = client.Traceroute(webip)
require.NoError(t, err)
assertTracerouteViaIP(t, tr, subRouter1.MustIPv4())
// Enable route on node 3, now we will have a second standby and all will
// be enabled.
t.Logf("Enabling route on subnet router 3, now HA, subnetrouter 1 is primary, 2 and 3 is standby")
_, err = headscale.ApproveRoutes(
3,
[]netip.Prefix{pref},
)
require.NoError(t, err)
time.Sleep(3 * time.Second)
nodes, err = headscale.ListNodes()
require.NoError(t, err)
assert.Len(t, nodes, 6)
assertNodeRouteCount(t, nodes[0], 1, 1, 1)
assertNodeRouteCount(t, nodes[1], 1, 1, 0)
assertNodeRouteCount(t, nodes[2], 1, 1, 0)
// Verify that the client has routes from the primary machine
srs1 = subRouter1.MustStatus()
srs2 = subRouter2.MustStatus()
srs3 = subRouter3.MustStatus()
clientStatus = client.MustStatus()
srs1PeerStatus = clientStatus.Peer[srs1.Self.PublicKey]
srs2PeerStatus = clientStatus.Peer[srs2.Self.PublicKey]
srs3PeerStatus = clientStatus.Peer[srs3.Self.PublicKey]
assert.True(t, srs1PeerStatus.Online, "r1 up, r2 up")
assert.True(t, srs2PeerStatus.Online, "r1 up, r2 up")
assert.True(t, srs3PeerStatus.Online, "r1 up, r2 up")
assert.Nil(t, srs2PeerStatus.PrimaryRoutes)
assert.Nil(t, srs3PeerStatus.PrimaryRoutes)
require.NotNil(t, srs1PeerStatus.PrimaryRoutes)
requirePeerSubnetRoutes(t, srs1PeerStatus, []netip.Prefix{pref})
requirePeerSubnetRoutes(t, srs2PeerStatus, nil)
requirePeerSubnetRoutes(t, srs3PeerStatus, nil)
t.Logf("got list: %v, want in: %v", srs1PeerStatus.PrimaryRoutes.AsSlice(), pref)
assert.Contains(t,
srs1PeerStatus.PrimaryRoutes.AsSlice(),
pref,
)
result, err = client.Curl(weburl)
require.NoError(t, err)
assert.Len(t, result, 13)
tr, err = client.Traceroute(webip)
require.NoError(t, err)
assertTracerouteViaIP(t, tr, subRouter1.MustIPv4())
// Take down the current primary
t.Logf("taking down subnet router r1 (%s)", subRouter1.Hostname())
t.Logf("expecting r2 (%s) to take over as primary", subRouter2.Hostname())
err = subRouter1.Down()
require.NoError(t, err)
time.Sleep(5 * time.Second)
srs2 = subRouter2.MustStatus()
clientStatus = client.MustStatus()
srs1PeerStatus = clientStatus.Peer[srs1.Self.PublicKey]
srs2PeerStatus = clientStatus.Peer[srs2.Self.PublicKey]
srs3PeerStatus = clientStatus.Peer[srs3.Self.PublicKey]
assert.False(t, srs1PeerStatus.Online, "r1 down, r2 down")
assert.True(t, srs2PeerStatus.Online, "r1 down, r2 up")
assert.True(t, srs3PeerStatus.Online, "r1 down, r2 up")
assert.Nil(t, srs1PeerStatus.PrimaryRoutes)
require.NotNil(t, srs2PeerStatus.PrimaryRoutes)
assert.Nil(t, srs3PeerStatus.PrimaryRoutes)
requirePeerSubnetRoutes(t, srs1PeerStatus, nil)
requirePeerSubnetRoutes(t, srs2PeerStatus, []netip.Prefix{pref})
requirePeerSubnetRoutes(t, srs3PeerStatus, nil)
assert.Contains(
t,
srs2PeerStatus.PrimaryRoutes.AsSlice(),
pref,
)
result, err = client.Curl(weburl)
require.NoError(t, err)
assert.Len(t, result, 13)
tr, err = client.Traceroute(webip)
require.NoError(t, err)
assertTracerouteViaIP(t, tr, subRouter2.MustIPv4())
// Take down subnet router 2, leaving none available
t.Logf("taking down subnet router r2 (%s)", subRouter2.Hostname())
t.Logf("expecting no primary, r3 available, but no HA so no primary")
err = subRouter2.Down()
require.NoError(t, err)
time.Sleep(5 * time.Second)
// TODO(kradalby): Check client status
// Both are expected to be down
// Verify that the route is not presented from either router
clientStatus, err = client.Status()
require.NoError(t, err)
srs1PeerStatus = clientStatus.Peer[srs1.Self.PublicKey]
srs2PeerStatus = clientStatus.Peer[srs2.Self.PublicKey]
srs3PeerStatus = clientStatus.Peer[srs3.Self.PublicKey]
assert.False(t, srs1PeerStatus.Online, "r1 down, r2 down")
assert.False(t, srs2PeerStatus.Online, "r1 down, r2 down")
assert.True(t, srs3PeerStatus.Online, "r1 down, r2 down")
assert.Nil(t, srs1PeerStatus.PrimaryRoutes)
assert.Nil(t, srs2PeerStatus.PrimaryRoutes)
require.NotNil(t, srs3PeerStatus.PrimaryRoutes)
requirePeerSubnetRoutes(t, srs1PeerStatus, nil)
requirePeerSubnetRoutes(t, srs2PeerStatus, nil)
requirePeerSubnetRoutes(t, srs3PeerStatus, []netip.Prefix{pref})
result, err = client.Curl(weburl)
require.NoError(t, err)
assert.Len(t, result, 13)
tr, err = client.Traceroute(webip)
require.NoError(t, err)
assertTracerouteViaIP(t, tr, subRouter3.MustIPv4())
// Bring up subnet router 1, making the route available from there.
t.Logf("bringing up subnet router r1 (%s)", subRouter1.Hostname())
t.Logf("expecting r1 (%s) to take over as primary, r1 and r3 available", subRouter1.Hostname())
err = subRouter1.Up()
require.NoError(t, err)
time.Sleep(5 * time.Second)
// Verify that the route is announced from subnet router 1
clientStatus, err = client.Status()
require.NoError(t, err)
srs1PeerStatus = clientStatus.Peer[srs1.Self.PublicKey]
srs2PeerStatus = clientStatus.Peer[srs2.Self.PublicKey]
srs3PeerStatus = clientStatus.Peer[srs3.Self.PublicKey]
assert.True(t, srs1PeerStatus.Online, "r1 is back up, r2 down")
assert.False(t, srs2PeerStatus.Online, "r1 is back up, r2 down")
assert.True(t, srs3PeerStatus.Online, "r1 is back up, r3 available")
assert.Nil(t, srs1PeerStatus.PrimaryRoutes)
assert.Nil(t, srs2PeerStatus.PrimaryRoutes)
require.NotNil(t, srs3PeerStatus.PrimaryRoutes)
requirePeerSubnetRoutes(t, srs1PeerStatus, nil)
requirePeerSubnetRoutes(t, srs2PeerStatus, nil)
requirePeerSubnetRoutes(t, srs3PeerStatus, []netip.Prefix{pref})
assert.Contains(
t,
srs3PeerStatus.PrimaryRoutes.AsSlice(),
pref,
)
result, err = client.Curl(weburl)
require.NoError(t, err)
assert.Len(t, result, 13)
tr, err = client.Traceroute(webip)
require.NoError(t, err)
assertTracerouteViaIP(t, tr, subRouter3.MustIPv4())
// Bring up subnet router 2, should result in no change.
t.Logf("bringing up subnet router r2 (%s)", subRouter2.Hostname())
t.Logf("all online, expecting r1 (%s) to still be primary (no flapping)", subRouter1.Hostname())
err = subRouter2.Up()
require.NoError(t, err)
time.Sleep(5 * time.Second)
// Verify that the route is announced from subnet router 1
clientStatus, err = client.Status()
require.NoError(t, err)
srs1PeerStatus = clientStatus.Peer[srs1.Self.PublicKey]
srs2PeerStatus = clientStatus.Peer[srs2.Self.PublicKey]
srs3PeerStatus = clientStatus.Peer[srs3.Self.PublicKey]
assert.True(t, srs1PeerStatus.Online, "r1 up, r2 up")
assert.True(t, srs2PeerStatus.Online, "r1 up, r2 up")
assert.True(t, srs3PeerStatus.Online, "r1 up, r2 up")
assert.Nil(t, srs1PeerStatus.PrimaryRoutes)
assert.Nil(t, srs2PeerStatus.PrimaryRoutes)
require.NotNil(t, srs3PeerStatus.PrimaryRoutes)
requirePeerSubnetRoutes(t, srs1PeerStatus, nil)
requirePeerSubnetRoutes(t, srs2PeerStatus, nil)
requirePeerSubnetRoutes(t, srs3PeerStatus, []netip.Prefix{pref})
assert.Contains(
t,
srs3PeerStatus.PrimaryRoutes.AsSlice(),
pref,
)
result, err = client.Curl(weburl)
require.NoError(t, err)
assert.Len(t, result, 13)
tr, err = client.Traceroute(webip)
require.NoError(t, err)
assertTracerouteViaIP(t, tr, subRouter3.MustIPv4())
t.Logf("disabling route in subnet router r3 (%s)", subRouter3.Hostname())
t.Logf("expecting route to failover to r1 (%s), which is still available with r2", subRouter1.Hostname())
_, err = headscale.ApproveRoutes(nodes[2].GetId(), []netip.Prefix{})
time.Sleep(5 * time.Second)
nodes, err = headscale.ListNodes()
require.NoError(t, err)
assert.Len(t, nodes, 6)
assertNodeRouteCount(t, nodes[0], 1, 1, 1)
assertNodeRouteCount(t, nodes[1], 1, 1, 0)
assertNodeRouteCount(t, nodes[2], 1, 0, 0)
// Verify that the route is announced from subnet router 1
clientStatus, err = client.Status()
require.NoError(t, err)
srs1PeerStatus = clientStatus.Peer[srs1.Self.PublicKey]
srs2PeerStatus = clientStatus.Peer[srs2.Self.PublicKey]
srs3PeerStatus = clientStatus.Peer[srs3.Self.PublicKey]
require.NotNil(t, srs1PeerStatus.PrimaryRoutes)
assert.Nil(t, srs2PeerStatus.PrimaryRoutes)
assert.Nil(t, srs3PeerStatus.PrimaryRoutes)
requirePeerSubnetRoutes(t, srs1PeerStatus, []netip.Prefix{pref})
requirePeerSubnetRoutes(t, srs2PeerStatus, nil)
requirePeerSubnetRoutes(t, srs3PeerStatus, nil)
assert.Contains(
t,
srs1PeerStatus.PrimaryRoutes.AsSlice(),
pref,
)
result, err = client.Curl(weburl)
require.NoError(t, err)
assert.Len(t, result, 13)
tr, err = client.Traceroute(webip)
require.NoError(t, err)
assertTracerouteViaIP(t, tr, subRouter1.MustIPv4())
// Disable the route of subnet router 1, making it failover to 2
t.Logf("disabling route in subnet router r1 (%s)", subRouter1.Hostname())
t.Logf("expecting route to failover to r2 (%s)", subRouter2.Hostname())
_, err = headscale.ApproveRoutes(nodes[0].GetId(), []netip.Prefix{})
time.Sleep(5 * time.Second)
nodes, err = headscale.ListNodes()
require.NoError(t, err)
assert.Len(t, nodes, 6)
assertNodeRouteCount(t, nodes[0], 1, 0, 0)
assertNodeRouteCount(t, nodes[1], 1, 1, 1)
assertNodeRouteCount(t, nodes[2], 1, 0, 0)
// Verify that the route is announced from subnet router 1
clientStatus, err = client.Status()
require.NoError(t, err)
srs1PeerStatus = clientStatus.Peer[srs1.Self.PublicKey]
srs2PeerStatus = clientStatus.Peer[srs2.Self.PublicKey]
srs3PeerStatus = clientStatus.Peer[srs3.Self.PublicKey]
assert.Nil(t, srs1PeerStatus.PrimaryRoutes)
require.NotNil(t, srs2PeerStatus.PrimaryRoutes)
assert.Nil(t, srs3PeerStatus.PrimaryRoutes)
requirePeerSubnetRoutes(t, srs1PeerStatus, nil)
requirePeerSubnetRoutes(t, srs2PeerStatus, []netip.Prefix{pref})
requirePeerSubnetRoutes(t, srs3PeerStatus, nil)
assert.Contains(
t,
srs2PeerStatus.PrimaryRoutes.AsSlice(),
pref,
)
result, err = client.Curl(weburl)
require.NoError(t, err)
assert.Len(t, result, 13)
tr, err = client.Traceroute(webip)
require.NoError(t, err)
assertTracerouteViaIP(t, tr, subRouter2.MustIPv4())
// enable the route of subnet router 1, no change expected
t.Logf("enabling route in subnet router 1 (%s)", subRouter1.Hostname())
t.Logf("both online, expecting r2 (%s) to still be primary (no flapping)", subRouter2.Hostname())
_, err = headscale.ApproveRoutes(
nodes[0].GetId(),
util.MustStringsToPrefixes(nodes[0].GetAvailableRoutes()),
)
time.Sleep(5 * time.Second)
nodes, err = headscale.ListNodes()
require.NoError(t, err)
assert.Len(t, nodes, 6)
assertNodeRouteCount(t, nodes[0], 1, 1, 0)
assertNodeRouteCount(t, nodes[1], 1, 1, 1)
assertNodeRouteCount(t, nodes[2], 1, 0, 0)
// Verify that the route is announced from subnet router 1
clientStatus, err = client.Status()
require.NoError(t, err)
srs1PeerStatus = clientStatus.Peer[srs1.Self.PublicKey]
srs2PeerStatus = clientStatus.Peer[srs2.Self.PublicKey]
srs3PeerStatus = clientStatus.Peer[srs3.Self.PublicKey]
assert.Nil(t, srs1PeerStatus.PrimaryRoutes)
require.NotNil(t, srs2PeerStatus.PrimaryRoutes)
assert.Nil(t, srs3PeerStatus.PrimaryRoutes)
assert.Contains(
t,
srs2PeerStatus.PrimaryRoutes.AsSlice(),
pref,
)
result, err = client.Curl(weburl)
require.NoError(t, err)
assert.Len(t, result, 13)
tr, err = client.Traceroute(webip)
require.NoError(t, err)
assertTracerouteViaIP(t, tr, subRouter2.MustIPv4())
}
// TestSubnetRouteACL verifies that Subnet routes are distributed
// as expected when ACLs are activated.
// It implements the issue from
// https://github.com/juanfont/headscale/issues/1604
func TestSubnetRouteACL(t *testing.T) {
IntegrationSkip(t)
t.Parallel()
user := "user4"
spec := ScenarioSpec{
NodesPerUser: 2,
Users: []string{user},
}
scenario, err := NewScenario(spec)
require.NoErrorf(t, err, "failed to create scenario: %s", err)
defer scenario.ShutdownAssertNoPanics(t)
err = scenario.CreateHeadscaleEnv([]tsic.Option{
tsic.WithAcceptRoutes(),
}, hsic.WithTestName("clienableroute"), hsic.WithACLPolicy(
&policyv1.ACLPolicy{
Groups: policyv1.Groups{
"group:admins": {user + "@"},
},
ACLs: []policyv1.ACL{
{
Action: "accept",
Sources: []string{"group:admins"},
Destinations: []string{"group:admins:*"},
},
{
Action: "accept",
Sources: []string{"group:admins"},
Destinations: []string{"10.33.0.0/16:*"},
},
// {
// Action: "accept",
// Sources: []string{"group:admins"},
// Destinations: []string{"0.0.0.0/0:*"},
// },
},
},
))
assertNoErrHeadscaleEnv(t, err)
allClients, err := scenario.ListTailscaleClients()
assertNoErrListClients(t, err)
err = scenario.WaitForTailscaleSync()
assertNoErrSync(t, err)
headscale, err := scenario.Headscale()
assertNoErrGetHeadscale(t, err)
expectedRoutes := map[string]string{
"1": "10.33.0.0/16",
}
// Sort nodes by ID
sort.SliceStable(allClients, func(i, j int) bool {
statusI, err := allClients[i].Status()
if err != nil {
return false
}
statusJ, err := allClients[j].Status()
if err != nil {
return false
}
return statusI.Self.ID < statusJ.Self.ID
})
subRouter1 := allClients[0]
client := allClients[1]
for _, client := range allClients {
status, err := client.Status()
require.NoError(t, err)
if route, ok := expectedRoutes[string(status.Self.ID)]; ok {
command := []string{
"tailscale",
"set",
"--advertise-routes=" + route,
}
_, _, err = client.Execute(command)
require.NoErrorf(t, err, "failed to advertise route: %s", err)
}
}
err = scenario.WaitForTailscaleSync()
assertNoErrSync(t, err)
nodes, err := headscale.ListNodes()
require.NoError(t, err)
require.Len(t, nodes, 2)
assertNodeRouteCount(t, nodes[0], 1, 0, 0)
assertNodeRouteCount(t, nodes[1], 0, 0, 0)
// Verify that no routes has been sent to the client,
// they are not yet enabled.
for _, client := range allClients {
status, err := client.Status()
require.NoError(t, err)
for _, peerKey := range status.Peers() {
peerStatus := status.Peer[peerKey]
assert.Nil(t, peerStatus.PrimaryRoutes)
requirePeerSubnetRoutes(t, peerStatus, nil)
}
}
_, err = headscale.ApproveRoutes(
1,
[]netip.Prefix{netip.MustParsePrefix(expectedRoutes["1"])},
)
require.NoError(t, err)
time.Sleep(5 * time.Second)
nodes, err = headscale.ListNodes()
require.NoError(t, err)
require.Len(t, nodes, 2)
assertNodeRouteCount(t, nodes[0], 1, 1, 1)
assertNodeRouteCount(t, nodes[1], 0, 0, 0)
// Verify that the client has routes from the primary machine
srs1, _ := subRouter1.Status()
clientStatus, err := client.Status()
require.NoError(t, err)
srs1PeerStatus := clientStatus.Peer[srs1.Self.PublicKey]
requirePeerSubnetRoutes(t, srs1PeerStatus, []netip.Prefix{netip.MustParsePrefix(expectedRoutes["1"])})
clientNm, err := client.Netmap()
require.NoError(t, err)
wantClientFilter := []filter.Match{
{
IPProto: views.SliceOf([]ipproto.Proto{
ipproto.TCP, ipproto.UDP, ipproto.ICMPv4, ipproto.ICMPv6,
}),
Srcs: []netip.Prefix{
netip.MustParsePrefix("100.64.0.1/32"),
netip.MustParsePrefix("100.64.0.2/32"),
netip.MustParsePrefix("fd7a:115c:a1e0::1/128"),
netip.MustParsePrefix("fd7a:115c:a1e0::2/128"),
},
Dsts: []filter.NetPortRange{
{
Net: netip.MustParsePrefix("100.64.0.2/32"),
Ports: allPorts,
},
{
Net: netip.MustParsePrefix("fd7a:115c:a1e0::2/128"),
Ports: allPorts,
},
},
Caps: []filter.CapMatch{},
},
}
if diff := cmp.Diff(wantClientFilter, clientNm.PacketFilter, util.ViewSliceIPProtoComparer, util.PrefixComparer); diff != "" {
t.Errorf("Client (%s) filter, unexpected result (-want +got):\n%s", client.Hostname(), diff)
}
subnetNm, err := subRouter1.Netmap()
require.NoError(t, err)
wantSubnetFilter := []filter.Match{
{
IPProto: views.SliceOf([]ipproto.Proto{
ipproto.TCP, ipproto.UDP, ipproto.ICMPv4, ipproto.ICMPv6,
}),
Srcs: []netip.Prefix{
netip.MustParsePrefix("100.64.0.1/32"),
netip.MustParsePrefix("100.64.0.2/32"),
netip.MustParsePrefix("fd7a:115c:a1e0::1/128"),
netip.MustParsePrefix("fd7a:115c:a1e0::2/128"),
},
Dsts: []filter.NetPortRange{
{
Net: netip.MustParsePrefix("100.64.0.1/32"),
Ports: allPorts,
},
{
Net: netip.MustParsePrefix("fd7a:115c:a1e0::1/128"),
Ports: allPorts,
},
},
Caps: []filter.CapMatch{},
},
{
IPProto: views.SliceOf([]ipproto.Proto{
ipproto.TCP, ipproto.UDP, ipproto.ICMPv4, ipproto.ICMPv6,
}),
Srcs: []netip.Prefix{
netip.MustParsePrefix("100.64.0.1/32"),
netip.MustParsePrefix("100.64.0.2/32"),
netip.MustParsePrefix("fd7a:115c:a1e0::1/128"),
netip.MustParsePrefix("fd7a:115c:a1e0::2/128"),
},
Dsts: []filter.NetPortRange{
{
Net: netip.MustParsePrefix("10.33.0.0/16"),
Ports: allPorts,
},
},
Caps: []filter.CapMatch{},
},
}
if diff := cmp.Diff(wantSubnetFilter, subnetNm.PacketFilter, util.ViewSliceIPProtoComparer, util.PrefixComparer); diff != "" {
t.Errorf("Subnet (%s) filter, unexpected result (-want +got):\n%s", subRouter1.Hostname(), diff)
}
}
// TestEnablingExitRoutes tests enabling exit routes for clients.
// Its more or less the same as TestEnablingRoutes, but with the --advertise-exit-node flag
// set during login instead of set.