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baseline_test.go
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baseline_test.go
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//go:build integ
// +build integ
// Copyright Istio Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package ambient
import (
"context"
"fmt"
"net/http"
"net/netip"
"path/filepath"
"strconv"
"strings"
"testing"
"time"
appsv1 "k8s.io/api/apps/v1"
authenticationv1 "k8s.io/api/authentication/v1"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/types"
"istio.io/api/networking/v1alpha3"
"istio.io/istio/pkg/config/constants"
"istio.io/istio/pkg/config/protocol"
"istio.io/istio/pkg/http/headers"
"istio.io/istio/pkg/kube/inject"
"istio.io/istio/pkg/ptr"
echot "istio.io/istio/pkg/test/echo"
"istio.io/istio/pkg/test/echo/common/scheme"
"istio.io/istio/pkg/test/env"
"istio.io/istio/pkg/test/framework"
"istio.io/istio/pkg/test/framework/components/ambient"
"istio.io/istio/pkg/test/framework/components/echo"
"istio.io/istio/pkg/test/framework/components/echo/check"
"istio.io/istio/pkg/test/framework/components/echo/common"
"istio.io/istio/pkg/test/framework/components/echo/common/ports"
"istio.io/istio/pkg/test/framework/components/echo/config"
"istio.io/istio/pkg/test/framework/components/echo/config/param"
"istio.io/istio/pkg/test/framework/components/echo/echotest"
"istio.io/istio/pkg/test/framework/components/echo/match"
"istio.io/istio/pkg/test/framework/components/echo/util/traffic"
"istio.io/istio/pkg/test/framework/components/istio"
"istio.io/istio/pkg/test/framework/components/istio/ingress"
"istio.io/istio/pkg/test/framework/components/istioctl"
"istio.io/istio/pkg/test/framework/components/namespace"
"istio.io/istio/pkg/test/framework/components/prometheus"
"istio.io/istio/pkg/test/framework/label"
"istio.io/istio/pkg/test/framework/resource/config/apply"
"istio.io/istio/pkg/test/framework/resource/config/cleanup"
kubetest "istio.io/istio/pkg/test/kube"
"istio.io/istio/pkg/test/util/assert"
"istio.io/istio/pkg/test/util/file"
"istio.io/istio/pkg/test/util/retry"
"istio.io/istio/pkg/util/sets"
"istio.io/istio/tests/common/jwt"
"istio.io/istio/tests/integration/security/util/reachability"
util "istio.io/istio/tests/integration/telemetry"
)
const (
templateFile = "manifests/charts/istio-control/istio-discovery/files/waypoint.yaml"
)
func IsL7() echo.Checker {
return check.Each(func(r echot.Response) error {
// TODO: response headers?
_, f := r.RequestHeaders[http.CanonicalHeaderKey("X-Request-Id")]
if !f {
return fmt.Errorf("X-Request-Id not set, is L7 processing enabled?")
}
return nil
})
}
func IsL4() echo.Checker {
return check.Each(func(r echot.Response) error {
// TODO: response headers?
_, f := r.RequestHeaders[http.CanonicalHeaderKey("X-Request-Id")]
if f {
return fmt.Errorf("X-Request-Id set, is L7 processing enabled unexpectedly?")
}
return nil
})
}
var (
httpValidator = check.And(check.OK(), IsL7())
tcpValidator = check.And(check.OK(), IsL4())
callOptions = []echo.CallOptions{
{
Port: echo.Port{Name: "http"},
Scheme: scheme.HTTP,
Count: 10, // TODO use more
},
//{
// Port: echo.Port{Name: "http"},
// Scheme: scheme.WebSocket,
// Count: 4,
// Timeout: time.Second * 2,
//},
{
Port: echo.Port{Name: "tcp"},
Scheme: scheme.TCP,
Count: 1,
},
//{
// Port: echo.Port{Name: "grpc"},
// Scheme: scheme.GRPC,
// Count: 4,
// Timeout: time.Second * 2,
//},
//{
// Port: echo.Port{Name: "https"},
// Scheme: scheme.HTTPS,
// Count: 4,
// Timeout: time.Second * 2,
//},
}
)
func OriginalSourceCheck(t framework.TestContext, src echo.Instance) echo.Checker {
// Check that each response saw one of the workload IPs for the src echo instance
addresses := sets.New(src.WorkloadsOrFail(t).Addresses()...)
return check.Each(func(response echot.Response) error {
if !addresses.Contains(response.IP) {
return fmt.Errorf("expected original source (%v) to be propogated, but got %v", addresses.UnsortedList(), response.IP)
}
return nil
})
}
func supportsL7(opt echo.CallOptions, src, dst echo.Instance) bool {
s := src.Config().HasSidecar()
d := dst.Config().HasSidecar() || dst.Config().HasAnyWaypointProxy()
isL7Scheme := opt.Scheme == scheme.HTTP || opt.Scheme == scheme.GRPC || opt.Scheme == scheme.WebSocket
return (s || d) && isL7Scheme
}
// Assumption is ambient test suite sidecars will support HBONE
// If the assumption is incorrect hboneClient may return invalid result
func hboneClient(instance echo.Instance) bool {
return instance.Config().ZTunnelCaptured()
}
func TestServices(t *testing.T) {
runTest(t, func(t framework.TestContext, src echo.Instance, dst echo.Instance, opt echo.CallOptions) {
if supportsL7(opt, src, dst) {
opt.Check = httpValidator
} else {
opt.Check = tcpValidator
}
if !dst.Config().HasServiceAddressedWaypointProxy() &&
!src.Config().HasServiceAddressedWaypointProxy() &&
(src.Config().Service != dst.Config().Service) &&
!dst.Config().HasSidecar() {
// Check original source, unless there is a waypoint in the path. For waypoint, we don't (yet?) propagate original src.
// Self call is also (temporarily) broken
// Sidecars lose the original src
opt.Check = check.And(opt.Check, OriginalSourceCheck(t, src))
}
// Non-HBONE clients will attempt to bypass the waypoint
if !src.Config().WaypointClient() && dst.Config().HasAnyWaypointProxy() && !src.Config().HasSidecar() {
// TODO currently leads to no L7 processing, in the future it might be denied
// opt.Check = check.Error()
opt.Check = tcpValidator
}
// Any client will attempt to bypass a workload waypoint (not both service and workload waypoint)
// because this test always addresses by service.
if dst.Config().HasWorkloadAddressedWaypointProxy() && !dst.Config().HasServiceAddressedWaypointProxy() {
// TODO currently leads to no L7 processing, in the future it might be denied
// opt.Check = check.Error()
opt.Check = tcpValidator
}
if src.Config().HasSidecar() && dst.Config().HasWorkloadAddressedWaypointProxy() {
// We are testing to svc traffic but presently sidecar has not been updated to know that to svc traffic should not
// go to a workload-attached waypoint
t.Skip("https://github.com/istio/istio/pull/50182")
}
// TODO test from all source workloads as well
src.CallOrFail(t, opt)
})
}
func TestPodIP(t *testing.T) {
framework.NewTest(t).Run(func(t framework.TestContext) {
for _, src := range apps.All {
for _, srcWl := range src.WorkloadsOrFail(t) {
srcWl := srcWl
t.NewSubTestf("from %v %v", src.Config().Service, srcWl.Address()).Run(func(t framework.TestContext) {
for _, dst := range apps.All {
for _, dstWl := range dst.WorkloadsOrFail(t) {
t.NewSubTestf("to %v %v", dst.Config().Service, dstWl.Address()).Run(func(t framework.TestContext) {
src, dst, srcWl, dstWl := src, dst, srcWl, dstWl
if src.Config().HasSidecar() {
t.Skip("not supported yet")
}
for _, opt := range callOptions {
opt := opt.DeepCopy()
selfSend := dstWl.Address() == srcWl.Address()
if supportsL7(opt, src, dst) {
opt.Check = httpValidator
} else {
opt.Check = tcpValidator
}
opt.Address = dstWl.Address()
opt.Check = check.And(opt.Check, check.Hostname(dstWl.PodName()))
opt.Port = echo.Port{ServicePort: ports.All().MustForName(opt.Port.Name).WorkloadPort}
opt.ToWorkload = dst.WithWorkloads(dstWl)
// Uncaptured means we won't traverse the waypoint
// We cannot bypass the waypoint, so this fails.
if !src.Config().WaypointClient() && dst.Config().HasAnyWaypointProxy() {
// TODO currently leads to no L7 processing, in the future it might be denied
// opt.Check = check.NotOK()
opt.Check = tcpValidator
}
// Only marked to use service waypoint. We'll deny since it's not traversed.
// Not traversed, since traffic is to-workload IP.
if dst.Config().HasServiceAddressedWaypointProxy() && !dst.Config().HasWorkloadAddressedWaypointProxy() {
// TODO currently leads to no L7 processing, in the future it might be denied
// opt.Check = check.NotOK()
opt.Check = tcpValidator
}
if selfSend {
// Calls to ourself (by pod IP) are not captured
opt.Check = tcpValidator
}
t.NewSubTestf("%v", opt.Scheme).RunParallel(func(t framework.TestContext) {
src.WithWorkloads(srcWl).CallOrFail(t, opt)
})
}
})
}
}
})
}
}
})
}
func TestServerSideLB(t *testing.T) {
framework.NewTest(t).Run(func(t framework.TestContext) {
runTestToServiceWaypoint(t, func(t framework.TestContext, src echo.Instance, dst echo.Instance, opt echo.CallOptions) {
// Need HTTP
if opt.Scheme != scheme.HTTP {
return
}
var singleHost echo.Checker = func(result echo.CallResult, _ error) error {
hostnames := make([]string, len(result.Responses))
for i, r := range result.Responses {
hostnames[i] = r.Hostname
}
unique := sets.SortedList(sets.New(hostnames...))
if len(unique) != 1 {
return fmt.Errorf("excepted only one destination, got: %v", unique)
}
return nil
}
var multipleHost echo.Checker = func(result echo.CallResult, _ error) error {
hostnames := make([]string, len(result.Responses))
for i, r := range result.Responses {
hostnames[i] = r.Hostname
}
unique := sets.SortedList(sets.New(hostnames...))
want := dst.WorkloadsOrFail(t)
wn := []string{}
for _, w := range want {
wn = append(wn, w.PodName())
}
if len(unique) != len(wn) {
return fmt.Errorf("excepted all destinations (%v), got: %v", wn, unique)
}
return nil
}
shouldBalance := dst.Config().HasServiceAddressedWaypointProxy()
// Istio client will not reuse connections for HTTP/1.1
opt.HTTP.HTTP2 = true
// Make sure we make multiple calls
opt.Count = 10
c := singleHost
if shouldBalance {
c = multipleHost
}
opt.Check = check.And(check.OK(), c)
opt.NewConnectionPerRequest = false
src.CallOrFail(t, opt)
})
})
}
func TestWaypointChanges(t *testing.T) {
framework.NewTest(t).Run(func(t framework.TestContext) {
getGracePeriod := func(want int64) bool {
pods, err := kubetest.NewPodFetch(t.AllClusters()[0], apps.Namespace.Name(), constants.GatewayNameLabel+"=waypoint")()
assert.NoError(t, err)
for _, p := range pods {
grace := p.Spec.TerminationGracePeriodSeconds
if grace != nil && *grace == want {
return true
}
}
return false
}
// check that waypoint deployment is unmodified
retry.UntilOrFail(t, func() bool {
return getGracePeriod(2)
})
// change the waypoint template
istio.GetOrFail(t, t).UpdateInjectionConfig(t, func(cfg *inject.Config) error {
mainTemplate := file.MustAsString(filepath.Join(env.IstioSrc, templateFile))
cfg.RawTemplates["waypoint"] = strings.ReplaceAll(mainTemplate, "terminationGracePeriodSeconds: 2", "terminationGracePeriodSeconds: 3")
return nil
}, cleanup.Always)
retry.UntilOrFail(t, func() bool {
return getGracePeriod(3)
})
})
}
func TestOtherRevisionIgnored(t *testing.T) {
framework.NewTest(t).Run(func(t framework.TestContext) {
// This is a negative test, ensuring gateways with tags other
// than my tags do not get controlled by me.
nsConfig, err := namespace.New(t, namespace.Config{
Prefix: "badgateway",
Inject: false,
Labels: map[string]string{
constants.DataplaneModeLabel: "ambient",
},
})
if err != nil {
t.Fatal(err)
}
istioctl.NewOrFail(t, t, istioctl.Config{}).InvokeOrFail(t, []string{
"waypoint",
"apply",
"--namespace",
nsConfig.Name(),
"--revision",
"foo",
})
waypointError := retry.UntilSuccess(func() error {
fetch := kubetest.NewPodFetch(t.AllClusters()[0], nsConfig.Name(), constants.GatewayNameLabel+"="+"sa")
pods, err := fetch()
if err != nil {
return err
}
if len(pods) > 0 {
// found (this is actually bad, but the failure condition is inverted later a bit awkward)
return nil
}
return fmt.Errorf("no waypoints found")
}, retry.Timeout(1*time.Second), retry.BackoffDelay(time.Millisecond*100))
if waypointError == nil {
t.Fatal("Waypoint for non-existent tag foo created deployment!")
}
})
}
func TestRemoveAddWaypoint(t *testing.T) {
framework.NewTest(t).Run(func(t framework.TestContext) {
istioctl.NewOrFail(t, t, istioctl.Config{}).InvokeOrFail(t, []string{
"waypoint",
"apply",
"--namespace",
apps.Namespace.Name(),
"--name", "captured-waypoint",
"--wait",
})
t.Cleanup(func() {
istioctl.NewOrFail(t, t, istioctl.Config{}).InvokeOrFail(t, []string{
"waypoint",
"delete",
"--namespace",
apps.Namespace.Name(),
"captured-waypoint",
})
})
t.NewSubTest("before").Run(func(t framework.TestContext) {
dst := apps.Captured
for _, src := range apps.All {
if src.Config().IsUncaptured() {
continue
}
t.NewSubTestf("from %v", src.Config().Service).Run(func(t framework.TestContext) {
c := IsL4()
if src.Config().HasSidecar() {
c = IsL7()
}
opt := echo.CallOptions{
To: dst,
Port: echo.Port{Name: "http"},
Scheme: scheme.HTTP,
Count: 10,
Check: check.And(check.OK(), c),
}
src.CallOrFail(t, opt)
})
}
})
SetWaypoint(t, Captured, "captured-waypoint")
// Now should always be L7
t.NewSubTest("after").Run(func(t framework.TestContext) {
dst := apps.Captured
for _, src := range apps.All {
if src.Config().IsUncaptured() {
continue
}
t.NewSubTestf("from %v", src.Config().Service).Run(func(t framework.TestContext) {
opt := echo.CallOptions{
To: dst,
Port: echo.Port{Name: "http"},
Scheme: scheme.HTTP,
Count: 10,
Check: check.And(check.OK(), IsL7()),
}
src.CallOrFail(t, opt)
})
}
})
})
}
func TestBogusUseWaypoint(t *testing.T) {
framework.NewTest(t).Run(func(t framework.TestContext) {
check := func(t framework.TestContext) {
dst := apps.Captured
for _, src := range apps.All {
if src.Config().IsUncaptured() {
continue
}
t.NewSubTestf("from %v", src.Config().Service).Run(func(t framework.TestContext) {
c := IsL4()
if src.Config().HasSidecar() {
c = IsL7()
}
opt := echo.CallOptions{
To: dst,
Port: echo.Port{Name: "http"},
Scheme: scheme.HTTP,
Count: 10,
Check: check.And(check.OK(), c),
}
src.CallOrFail(t, opt)
})
}
}
t.NewSubTest("before").Run(check)
SetWaypoint(t, Captured, "bogus-waypoint")
t.NewSubTest("with waypoint").Run(check)
SetWaypoint(t, Captured, "")
t.NewSubTest("waypoint removed").Run(check)
})
}
func TestServerRouting(t *testing.T) {
framework.NewTest(t).Run(func(t framework.TestContext) {
runTestToServiceWaypoint(t, func(t framework.TestContext, src echo.Instance, dst echo.Instance, opt echo.CallOptions) {
// Need waypoint proxy and HTTP
if opt.Scheme != scheme.HTTP {
return
}
t.NewSubTest("set header").Run(func(t framework.TestContext) {
t.ConfigIstio().Eval(apps.Namespace.Name(), map[string]string{
"Destination": dst.Config().Service,
}, `apiVersion: networking.istio.io/v1alpha3
kind: VirtualService
metadata:
name: route
spec:
hosts:
- "{{.Destination}}"
http:
- headers:
request:
add:
istio-custom-header: user-defined-value
route:
- destination:
host: "{{.Destination}}"
`).ApplyOrFail(t)
opt.Check = check.And(
check.OK(),
check.RequestHeader("Istio-Custom-Header", "user-defined-value"))
src.CallOrFail(t, opt)
})
t.NewSubTest("subset").Run(func(t framework.TestContext) {
t.ConfigIstio().Eval(apps.Namespace.Name(), map[string]string{
"Destination": dst.Config().Service,
}, `apiVersion: networking.istio.io/v1alpha3
kind: VirtualService
metadata:
name: route
spec:
hosts:
- "{{.Destination}}"
http:
- route:
- destination:
host: "{{.Destination}}"
subset: v1
---
apiVersion: networking.istio.io/v1beta1
kind: DestinationRule
metadata:
name: route
namespace:
spec:
host: "{{.Destination}}"
subsets:
- labels:
version: v1
name: v1
- labels:
version: v2
name: v2
`).ApplyOrFail(t)
var exp string
for _, w := range dst.WorkloadsOrFail(t) {
if strings.Contains(w.PodName(), "-v1") {
exp = w.PodName()
}
}
opt.Count = 10
opt.Check = check.And(
check.OK(),
check.Hostname(exp))
src.CallOrFail(t, opt)
})
})
})
}
func TestWaypointEnvoyFilter(t *testing.T) {
framework.NewTest(t).Run(func(t framework.TestContext) {
runTestToServiceWaypoint(t, func(t framework.TestContext, src echo.Instance, dst echo.Instance, opt echo.CallOptions) {
// Need at least one waypoint proxy and HTTP
if opt.Scheme != scheme.HTTP {
return
}
t.ConfigIstio().Eval(apps.Namespace.Name(), map[string]string{
"Destination": "waypoint",
}, `apiVersion: networking.istio.io/v1alpha3
kind: EnvoyFilter
metadata:
name: inbound
spec:
workloadSelector:
labels:
gateway.networking.k8s.io/gateway-name: "{{.Destination}}"
configPatches:
- applyTo: HTTP_FILTER
match:
context: SIDECAR_INBOUND
listener:
filterChain:
filter:
name: "envoy.filters.network.http_connection_manager"
subFilter:
name: "envoy.filters.http.router"
patch:
operation: INSERT_BEFORE
value:
name: envoy.lua
typed_config:
"@type": "type.googleapis.com/envoy.extensions.filters.http.lua.v3.Lua"
inlineCode: |
function envoy_on_request(request_handle)
request_handle:headers():add("x-lua-inbound", "hello world")
end
- applyTo: VIRTUAL_HOST
match:
context: SIDECAR_INBOUND
patch:
operation: MERGE
value:
request_headers_to_add:
- header:
key: x-vhost-inbound
value: "hello world"
- applyTo: CLUSTER
match:
context: SIDECAR_INBOUND
cluster: {}
patch:
operation: MERGE
value:
http2_protocol_options: {}
`).ApplyOrFail(t)
opt.Count = 5
opt.Timeout = time.Second * 10
opt.Check = check.And(
check.OK(),
check.RequestHeaders(map[string]string{
"X-Lua-Inbound": "hello world",
"X-Vhost-Inbound": "hello world",
}))
src.CallOrFail(t, opt)
})
})
}
func TestTrafficSplit(t *testing.T) {
framework.NewTest(t).Run(func(t framework.TestContext) {
runTestToServiceWaypoint(t, func(t framework.TestContext, src echo.Instance, dst echo.Instance, opt echo.CallOptions) {
// Need at least one waypoint proxy and HTTP
if opt.Scheme != scheme.HTTP {
return
}
t.ConfigIstio().Eval(apps.Namespace.Name(), map[string]string{
"Destination": dst.Config().Service,
}, `apiVersion: networking.istio.io/v1alpha3
kind: VirtualService
metadata:
name: route
spec:
hosts:
- "{{.Destination}}"
http:
- match:
- headers:
user:
exact: istio-custom-user
route:
- destination:
host: "{{.Destination}}"
subset: v2
- route:
- destination:
host: "{{.Destination}}"
subset: v1
`).ApplyOrFail(t)
t.ConfigIstio().Eval(apps.Namespace.Name(), map[string]string{
"Destination": dst.Config().Service,
}, `apiVersion: networking.istio.io/v1alpha3
kind: DestinationRule
metadata:
name: dr
spec:
host: "{{.Destination}}"
subsets:
- name: v1
labels:
version: v1
- name: v2
labels:
version: v2
`).ApplyOrFail(t)
t.NewSubTest("v1").Run(func(t framework.TestContext) {
opt = opt.DeepCopy()
opt.Count = 5
opt.Timeout = time.Second * 10
opt.Check = check.And(
check.OK(),
func(result echo.CallResult, _ error) error {
for _, r := range result.Responses {
if r.Version != "v1" {
return fmt.Errorf("expected service version %q, got %q", "v1", r.Version)
}
}
return nil
})
src.CallOrFail(t, opt)
})
t.NewSubTest("v2").Run(func(t framework.TestContext) {
opt = opt.DeepCopy()
opt.Count = 5
opt.Timeout = time.Second * 10
if opt.HTTP.Headers == nil {
opt.HTTP.Headers = map[string][]string{}
}
opt.HTTP.Headers.Set("user", "istio-custom-user")
opt.Check = check.And(
check.OK(),
func(result echo.CallResult, _ error) error {
for _, r := range result.Responses {
if r.Version != "v2" {
return fmt.Errorf("expected service version %q, got %q", "v2", r.Version)
}
}
return nil
})
src.CallOrFail(t, opt)
})
})
})
}
func TestPeerAuthentication(t *testing.T) {
framework.NewTest(t).Run(func(t framework.TestContext) {
applyDrainingWorkaround(t)
runTestContext(t, func(t framework.TestContext, src echo.Instance, dst echo.Instance, opt echo.CallOptions) {
if opt.Scheme != scheme.TCP {
return
}
// Ensure we don't get stuck on old connections with old RBAC rules. This causes 45s test times
// due to draining.
opt.NewConnectionPerRequest = true
t.NewSubTest("permissive").Run(func(t framework.TestContext) {
t.ConfigIstio().Eval(apps.Namespace.Name(), map[string]string{
"Destination": dst.Config().Service,
"Source": src.Config().Service,
"Namespace": apps.Namespace.Name(),
}, `
apiVersion: security.istio.io/v1beta1
kind: PeerAuthentication
metadata:
name: global-permissive
spec:
mtls:
mode: PERMISSIVE
`).ApplyOrFail(t)
opt = opt.DeepCopy()
src.CallOrFail(t, opt)
})
t.NewSubTest("strict").Run(func(t framework.TestContext) {
t.ConfigIstio().Eval(apps.Namespace.Name(), map[string]string{
"Destination": dst.Config().Service,
"Source": src.Config().Service,
"Namespace": apps.Namespace.Name(),
}, `
apiVersion: security.istio.io/v1beta1
kind: PeerAuthentication
metadata:
name: global-strict
spec:
mtls:
mode: STRICT
`).ApplyOrFail(t)
opt = opt.DeepCopy()
if !src.Config().HasProxyCapabilities() && dst.Config().HasProxyCapabilities() {
// Expect deny if the dest is in the mesh (enforcing mTLS) but src is not (not sending mTLS)
opt.Check = CheckDeny
}
src.CallOrFail(t, opt)
})
// globally peerauth == STRICT, but we have a port-specific allowlist that is PERMISSIVE,
// so anything hitting that port should not be rejected
t.NewSubTest("strict-permissive-ports").Run(func(t framework.TestContext) {
t.ConfigIstio().Eval(apps.Namespace.Name(), map[string]string{
"Destination": dst.Config().Service,
"Source": src.Config().Service,
"Namespace": apps.Namespace.Name(),
}, `
apiVersion: security.istio.io/v1beta1
kind: PeerAuthentication
metadata:
name: global-strict
spec:
selector:
matchLabels:
app: "{{ .Destination }}"
mtls:
mode: STRICT
portLevelMtls:
8080:
mode: PERMISSIVE
`).ApplyOrFail(t)
opt = opt.DeepCopy()
// Should pass for all workloads, in or out of mesh, targeting this port
src.CallOrFail(t, opt)
})
})
})
}
func TestAuthorizationL4(t *testing.T) {
framework.NewTest(t).Run(func(t framework.TestContext) {
applyDrainingWorkaround(t)
// pairs x allow/deny
runTestContext(t, func(t framework.TestContext, src echo.Instance, dst echo.Instance, opt echo.CallOptions) {
if opt.Scheme != scheme.TCP {
return
}
// Ensure we don't get stuck on old connections with old RBAC rules. This causes 45s test times
// due to draining.
opt.NewConnectionPerRequest = true
overrideCheck := func(_ echo.Instance, dst echo.Instance, opt *echo.CallOptions) {
if !dst.Config().HasProxyCapabilities() {
// No destination means no RBAC to apply. Make sure we do not accidentally reject
opt.Check = check.OK()
}
if !src.Config().HasProxyCapabilities() && dst.Config().HasProxyCapabilities() {
// Expect deny if the dest is in the mesh (enforcing policy) but src is not
opt.Check = CheckDeny
}
}
authzCases := []struct {
name string
spec string
check echo.Checker
}{
{
name: "allow",
check: check.OK(),
spec: `
rules:
- from:
- source:
principals: ["cluster.local/ns/{{.Namespace}}/sa/{{.Source}}", "cluster.local/ns/{{.Namespace}}/sa/{{.WaypointName}}"]
`,
},
{
name: "not allow",
check: CheckDeny,
spec: `
rules:
- from:
- source:
principals: ["cluster.local/ns/something/sa/else"]
`,
},
}
for _, tc := range authzCases {
t.NewSubTest(tc.name).Run(func(t framework.TestContext) {
t.ConfigIstio().Eval(apps.Namespace.Name(), map[string]string{
"Destination": dst.Config().Service,
"Source": src.Config().Service,
"Namespace": apps.Namespace.Name(),
"WaypointName": dst.Config().ServiceWaypointProxy,
}, `
apiVersion: security.istio.io/v1beta1
kind: AuthorizationPolicy
metadata:
name: policy-waypoint
spec:
targetRefs:
# affects Waypoints
- kind: Service
group: core
name: "{{ .Destination }}"
`+tc.spec+`
---
apiVersion: security.istio.io/v1beta1
kind: AuthorizationPolicy
metadata:
name: policy
spec:
# affects zTunnels and Sidecars
selector:
matchLabels:
app: "{{ .Destination }}"
`+tc.spec).ApplyOrFail(t)
perCaseOpt := opt.DeepCopy()
perCaseOpt.Check = tc.check
overrideCheck(src, dst, &perCaseOpt)
src.CallOrFail(t, perCaseOpt)
})
}
})
})
}
func TestAuthorizationServiceAttached(t *testing.T) {
framework.NewTest(t).Run(func(t framework.TestContext) {
applyDrainingWorkaround(t)
src := apps.Captured
authzDst := apps.ServiceAddressedWaypoint
otherDst := apps.WorkloadAddressedWaypoint
// make another target use our waypoint, but don't expect authz there
ambient.SetWaypointForService(t, apps.Namespace, otherDst.ServiceName(), authzDst.Config().ServiceWaypointProxy)
t.ConfigIstio().Eval(apps.Namespace.Name(), map[string]string{
"Destination": authzDst.Config().Service,
}, `
apiVersion: security.istio.io/v1beta1
kind: AuthorizationPolicy
metadata:
name: policy-waypoint
spec:
targetRefs:
- kind: Service
group: core
name: "{{ .Destination }}"
rules:
- from:
- source:
principals: ["cluster.local/ns/something/sa/else"]
`).ApplyOrFail(t)
for _, src := range src.Instances() {
t.NewSubTest(src.Config().Cluster.StableName()).Run(func(t framework.TestContext) {
t.NewSubTest("authz target deny").RunParallel(func(t framework.TestContext) {
opts := echo.CallOptions{
To: authzDst,
Check: CheckDeny,
Port: echo.Port{Name: "http"},
Scheme: scheme.HTTP,
Count: 10,
}
src.CallOrFail(t, opts)
})
t.NewSubTest("non-authz target allow").RunParallel(func(t framework.TestContext) {
opts := echo.CallOptions{
To: otherDst,
Check: check.OK(),
Port: echo.Port{Name: "http"},
Scheme: scheme.HTTP,
Count: 10,
}
src.CallOrFail(t, opts)
})
})
}
})
}
func TestAuthorizationGateway(t *testing.T) {
runTest := func(t framework.TestContext, f func(t framework.TestContext, src echo.Caller, dst echo.Instance, opt echo.CallOptions)) {
svcs := apps.All
for _, dst := range svcs {
t.NewSubTestf("to %v", dst.Config().Service).Run(func(t framework.TestContext) {
dst := dst
opt := echo.CallOptions{
Port: echo.Port{Name: "http"},
Scheme: scheme.HTTP,
Count: 5,
Timeout: time.Second * 2,
Check: check.OK(),
To: dst,
}
f(t, istio.DefaultIngressOrFail(t, t), dst, opt)
})
}
}
framework.NewTest(t).Run(func(t framework.TestContext) {
applyDrainingWorkaround(t)
runTest(t, func(t framework.TestContext, src echo.Caller, dst echo.Instance, opt echo.CallOptions) {
if opt.Scheme != scheme.HTTP {
return
}
// Ensure we don't get stuck on old connections with old RBAC rules. This causes 45s test times
// due to draining.
opt.NewConnectionPerRequest = true
policySpec := `
rules:
- from:
- source:
principals: ["cluster.local/ns/istio-system/sa/{{.Source}}"]
to:
- operation:
ports: ["{{.PortAllowWorkload}}"]
- from:
- source:
principals: ["cluster.local/ns/{{.Namespace}}/sa/someone-else"]
to:
- operation:
ports: ["{{.PortDenyWorkload}}"]
`
t.ConfigIstio().Eval(apps.Namespace.Name(), map[string]string{
"Destination": dst.Config().Service,
"Source": "istio-ingressgateway-service-account",
"Namespace": apps.Namespace.Name(),
"PortAllow": strconv.Itoa(ports.HTTP.ServicePort),
"PortAllowWorkload": strconv.Itoa(ports.HTTP.WorkloadPort),
"PortDeny": strconv.Itoa(ports.HTTP2.ServicePort),
"PortDenyWorkload": strconv.Itoa(ports.HTTP2.WorkloadPort),
}, `
apiVersion: security.istio.io/v1beta1
kind: AuthorizationPolicy
metadata: