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models.go
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// Copyright 2017-2019 Authors of Cilium
//
// 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 policygen
import (
"bytes"
"encoding/json"
"fmt"
"html/template"
"io/ioutil"
"net"
"os"
"path/filepath"
"strconv"
"strings"
"time"
cnpv2 "github.com/cilium/cilium/pkg/k8s/apis/cilium.io/v2"
"github.com/cilium/cilium/pkg/policy/api"
"github.com/cilium/cilium/test/helpers"
"github.com/cilium/cilium/test/helpers/constants"
"github.com/onsi/ginkgo"
"github.com/onsi/gomega"
log "github.com/sirupsen/logrus"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
)
var timeout = 10 * time.Minute
// ConnTestSpec Connectivity Test Specification. This structs contains the
// mapping of all protocols tested and the expected result based on the context
// of each test case
type ConnTestSpec struct {
HTTP ResultType
HTTPPrivate ResultType
Ping ResultType
UDP ResultType
}
// GetField method to retrieve the value of any type of the struct.
// It is used by `TestSpec` to created expected results
func (conn *ConnTestSpec) GetField(field string) ResultType {
switch field {
case HTTP:
return conn.HTTP
case HTTPPrivate:
return conn.HTTPPrivate
case Ping:
return conn.Ping
case UDP:
return conn.UDP
}
return ResultType{}
}
// PolicyTestKind is utilized to describe a new TestCase
// It needs a described name, the kind of the test (Egrees or Ingress) and the
// expected result of `ConnTestSpec`
// Template field is used to render the cilium network policy.
type PolicyTestKind struct {
name string
kind string //Egress/ingress
tests ConnTestSpec
template map[string]string
exclude []string
}
// SetTemplate renders the template field from the PolicyTest struct using go
// templates. The result will be stored in the result parameter. The spec
// parameters is needed to retrieve the source and destination pods and pass
// the information to the go template.
func (pol *PolicyTestKind) SetTemplate(result *map[string]interface{}, spec *TestSpec) error {
getTemplate := func(tmpl string) (*bytes.Buffer, error) {
t, err := template.New("").Parse(tmpl)
if err != nil {
return nil, err
}
content := new(bytes.Buffer)
err = t.Execute(content, spec)
if err != nil {
return nil, err
}
return content, nil
}
for k, v := range pol.template {
// If any key was already set we do not need to overwrite it.
// This is in use on L7 when a port is always needed
if _, ok := (*result)[k]; ok {
continue
}
tmpl, err := getTemplate(v)
if err != nil {
return err
}
var data interface{}
err = json.Unmarshal(tmpl.Bytes(), &data)
if err != nil {
return err
}
(*result)[k] = data
}
return nil
}
// ResultType defines the expected result for a connectivity test.
type ResultType struct {
kind string // Timeout, reply
success bool // If the cmd exec is valid or not.
}
// String returns the ResultType in humman readable format
func (res ResultType) String() string {
return fmt.Sprintf("kind: %s success: %t", res.kind, res.success)
}
// PolicyTestSuite groups together L3, L4, and L7 policy-related tests.
type PolicyTestSuite struct {
l3Checks []PolicyTestKind
l4Checks []PolicyTestKind
l7Checks []PolicyTestKind
}
// Target defines the destination for traffic when running tests
type Target struct {
Kind string // serviceL3, serviceL4, NodePort, Direct
PortNumber int
}
// SetPortNumber returns an unused port on the host to use in a Kubernetes
// NodePort service
func (t *Target) SetPortNumber() int {
NodePortStart++
t.PortNumber = NodePortStart
return t.PortNumber
}
// GetTarget returns a `TargetDetails` with the IP and Port to run the tests
// in spec. It needs the `TestSpec` parameter to be able to retrieve the
// service name. It'll return an error if the service is not defined or cannot
// be retrieved. This function only returns the first port mapped in the
// service; It'll not work with multiple ports.
func (t *Target) GetTarget(spec *TestSpec) (*TargetDetails, error) {
switch t.Kind {
case nodePort, service:
host, port, err := spec.Kub.GetServiceHostPort(helpers.DefaultNamespace, t.GetServiceName(spec))
if err != nil {
return nil, err
}
return &TargetDetails{
Port: port,
IP: []byte(host),
}, nil
case direct:
filter := `{.status.podIP}{"="}{.spec.containers[0].ports[0].containerPort}`
res, err := spec.Kub.Get(helpers.DefaultNamespace, fmt.Sprintf("pod %s", spec.DestPod)).Filter(filter)
if err != nil {
return nil, fmt.Errorf("cannot get pod '%s' info: %s", spec.DestPod, err)
}
vals := strings.Split(res.String(), "=")
port, err := strconv.Atoi(vals[1])
if err != nil {
return nil, fmt.Errorf("cannot get pod '%s' port: %s", spec.DestPod, err)
}
return &TargetDetails{
Port: port,
IP: []byte(vals[0]),
}, nil
}
return nil, fmt.Errorf("%s not Implemented yet", t.Kind)
}
// GetServiceName returns the prefix of spec prefixed with the kind of the the
// target
func (t *Target) GetServiceName(spec *TestSpec) string {
return fmt.Sprintf("%s-%s", strings.ToLower(t.Kind), spec.Prefix)
}
// GetManifestName returns the manifest filename for the target using the spec
// parameter
func (t *Target) GetManifestName(spec *TestSpec) string {
return fmt.Sprintf("%s_%s_manifest.json", spec.Prefix, strings.ToLower(t.Kind))
}
// GetManifestPath returns the manifest path for the target using the spec
// parameter
func (t *Target) GetManifestPath(spec *TestSpec) string {
return fmt.Sprintf("%s/%s", helpers.BasePath, t.GetManifestName(spec))
}
// CreateApplyManifest creates the manifest for the type of the target and
// applies it in kubernetes. It will fail if the service manifest cannot be
// created correctly or applied to Kubernetes
func (t *Target) CreateApplyManifest(spec *TestSpec) error {
manifestPath := t.GetManifestPath(spec)
getTemplate := func(tmpl string) (*bytes.Buffer, error) {
metadata := map[string]interface{}{
"spec": spec,
"target": t,
"targetName": t.GetServiceName(spec),
}
t, err := template.New("").Parse(tmpl)
if err != nil {
return nil, err
}
content := new(bytes.Buffer)
err = t.Execute(content, metadata)
if err != nil {
return nil, err
}
return content, nil
}
switch t.Kind {
case service:
// As default services are listen on port 80.
t.PortNumber = 80
service := `{
"apiVersion": "v1",
"kind": "Service",
"metadata": {
"name": "{{ .targetName }}",
"labels": {
"test": "policygen"
}
},
"spec": {
"ports": [
{ "port": {{ .target.PortNumber }} }
],
"selector": {
"id": "{{ .spec.DestPod }}"
}
}}`
data, err := getTemplate(service)
if err != nil {
return fmt.Errorf("cannot render template: %s", err)
}
err = helpers.RenderTemplateToFile(t.GetManifestName(spec), data.String(), os.ModePerm)
if err != nil {
return err
}
case nodePort:
t.SetPortNumber()
nodePort := `
{
"apiVersion": "v1",
"kind": "Service",
"metadata": {
"name": "{{ .targetName }}",
"labels": {
"test": "policygen"
}
},
"spec": {
"type": "NodePort",
"ports": [
{
"targetPort": 80,
"port": {{ .target.PortNumber }},
"protocol": "TCP"
}
],
"selector": {
"id": "{{ .spec.DestPod }}"
}
}
}`
data, err := getTemplate(nodePort)
if err != nil {
return fmt.Errorf("cannot render template: %s", err)
}
err = helpers.RenderTemplateToFile(t.GetManifestName(spec), data.String(), os.ModePerm)
if err != nil {
return err
}
case direct:
t.PortNumber = 80
return nil
}
res := spec.Kub.Apply(manifestPath)
if !res.WasSuccessful() {
return fmt.Errorf("%s", res.CombineOutput())
}
return nil
}
// TargetDetails represents the address of a TCP end point.
type TargetDetails net.TCPAddr
// String combines host and port into a network address of the
// form "host:port" or, if host contains a colon or a percent sign,
// "[host]:port".
func (target TargetDetails) String() string {
return net.JoinHostPort(string(target.IP), fmt.Sprintf("%d", target.Port))
}
// TestSpec defined a new test specification. It contains three different rules
// (l3, l4, l7) and a destination and source pod in which test will run. Each
// testSpec has a prefix, which is a label used to group all resources created
// by the TestSpec. Each test is executed using a type of Destination which is
// defined under Target struct. This struct needs a `*helpers.Kubectl` to run
// the needed commands
type TestSpec struct {
l3 PolicyTestKind
l4 PolicyTestKind
l7 PolicyTestKind
SrcPod string
DestPod string
Prefix string
Destination Target
Kub *helpers.Kubectl
}
// String return the testSpec definition on human-readable format
func (t TestSpec) String() string {
return fmt.Sprintf("L3:%s L4:%s L7:%s Destination:%s",
t.l3.name, t.l4.name, t.l7.name, t.Destination.Kind)
}
// RunTest runs all the `TestSpec` methods and makes the needed assertions for
// Ginkgo tests. This method will create pods, wait for pods to be ready, apply
// a new CiliumNetworkPolicy and create a new Destination (Service, NodePort)
// if needed. Then it will execute `connectivityTest` and compare the results
// with the expected results within the test specification
func (t *TestSpec) RunTest(kub *helpers.Kubectl) {
defer func() { go t.Destroy(destroyDelay) }()
t.Kub = kub
err := t.CreateManifests()
gomega.Expect(err).To(gomega.BeNil(), "cannot create pods manifest for %s", t.Prefix)
manifest, err := t.ApplyManifest()
gomega.Expect(err).To(gomega.BeNil(), "cannot apply pods manifest for %s", t.Prefix)
log.WithField("prefix", t.Prefix).Infof("Manifest '%s' is created correctly", manifest)
err = t.Destination.CreateApplyManifest(t)
gomega.Expect(err).To(gomega.BeNil(), "cannot apply destination for %s", t.Prefix)
if t.IsPolicyInvalid() {
// Some policies cannot be applied correctly because of different
// rules. This code makes sure that the status of the policy has a error
// in the status.
cnp, err := t.InvalidNetworkPolicyApply()
kub.Exec(fmt.Sprintf("%s delete cnp %s", helpers.KubectlCmd, t.Prefix))
gomega.Expect(err).To(gomega.BeNil(), "Cannot apply network policy")
gomega.Expect(cnp).NotTo(gomega.BeNil(), "CNP is not a valid struct")
gomega.Expect(cnp.Status.Nodes).NotTo(gomega.BeEmpty(), "CNP Status is empty")
for node, status := range cnp.Status.Nodes {
gomega.Expect(status.Error).NotTo(gomega.BeEmpty(),
"Node %q applied invalid policy and do not raise an error", node)
}
return
}
err = t.NetworkPolicyApply()
gomega.Expect(err).To(gomega.BeNil(), "cannot apply network policy for %s", t.Prefix)
err = kub.CiliumEndpointWaitReady()
gomega.Expect(err).To(gomega.BeNil(), "Endpoints are not ready after timeout")
err = t.ExecTest()
gomega.Expect(err).To(gomega.BeNil(), "cannot execute test for %s", t.Prefix)
}
// IsPolicyInvalid validates that the policy combination does not match with
// testSpec.exclude information. That means that if a policy cannot be
// installed we know that the combination is invalid.
func (t *TestSpec) IsPolicyInvalid() bool {
var exclude []string
exclude = append(t.l3.exclude, t.l4.exclude...)
exclude = append(exclude, t.l7.exclude...)
for _, value := range exclude {
if strings.Contains(t.String(), value) {
return true
}
}
return false
}
// Destroy deletes the pods, CiliumNetworkPolicies and Destinations created by
// `TestSpec` after specified delay. The delay parameter is used to have the
// pod running for a while and keep Cilium and Kubernetes with a consider load.
func (t *TestSpec) Destroy(delay time.Duration) error {
manifestToDestroy := []string{
t.GetManifestsPath(),
fmt.Sprintf("%s/%s", helpers.BasePath, t.NetworkPolicyName()),
fmt.Sprintf("%s", t.Destination.GetManifestPath(t)),
}
done := time.After(delay)
for {
select {
case <-done:
for _, manifest := range manifestToDestroy {
t.Kub.Delete(manifest)
}
}
}
}
// GetManifestName returns a string with the `TestSpec` manifest name
func (t *TestSpec) GetManifestName() string {
return fmt.Sprintf("%s_manifest.yaml", t.Prefix)
}
// GetManifestsPath returns the `TestSpec` manifest path
func (t *TestSpec) GetManifestsPath() string {
return fmt.Sprintf("%s/%s", helpers.BasePath, t.GetManifestName())
}
// CreateManifests creates a new pod manifest. It sets a random prefix for the
// `TestCase` and creates two new pods (srcPod and DestPod). Returns an error
// if the manifest cannot be created
func (t *TestSpec) CreateManifests() error {
t.Prefix = helpers.MakeUID()
t.SrcPod = fmt.Sprintf("%s-%s", t.Prefix, helpers.MakeUID())
t.DestPod = fmt.Sprintf("%s-%s", t.Prefix, helpers.MakeUID())
manifest := `
---
apiVersion: v1
kind: Pod
metadata:
name: "%[2]s"
labels:
id: "%[2]s"
zgroup: "%[1]s"
test: "policygen"
spec:
terminationGracePeriodSeconds: 0
containers:
- name: app-frontend
image: %[4]s
imagePullPolicy: IfNotPresent
command: [ "sleep" ]
args:
- "1000h"
---
apiVersion: v1
kind: Pod
metadata:
name: "%[3]s"
labels:
id: "%[3]s"
zgroup: "%[1]s"
test: "policygen"
spec:
terminationGracePeriodSeconds: 0
containers:
- name: web
image: %[5]s
imagePullPolicy: IfNotPresent
ports:
- containerPort: 80`
err := helpers.RenderTemplateToFile(
t.GetManifestName(),
fmt.Sprintf(manifest, t.Prefix, t.SrcPod, t.DestPod, constants.AlpineCurlImage, constants.HttpdImage),
os.ModePerm)
if err != nil {
return err
}
return nil
}
// ApplyManifest applies a new deployment manifest into the Kubernetes cluster.
// Returns an error if the manifest cannot be applied correctly
func (t *TestSpec) ApplyManifest() (string, error) {
err := t.CreateManifests()
if err != nil {
return "", err
}
res := t.Kub.Apply(t.GetManifestsPath())
if !res.WasSuccessful() {
return "", fmt.Errorf("%s", res.CombineOutput())
}
err = t.Kub.WaitforPods(
helpers.DefaultNamespace,
fmt.Sprintf("-l zgroup=%s", t.Prefix),
timeout)
if err != nil {
return "", err
}
return t.GetManifestName(), nil
}
// GetPodMetadata returns a map with the pod name and the IP for the pods used
// by the `TestSpec`. Returns an error in case that the pod info cannot
// be retrieved correctly.
func (t *TestSpec) GetPodMetadata() (map[string]string, error) {
result := make(map[string]string)
filter := `{range .items[*]}{@.metadata.name}{"="}{@.status.podIP}{"\n"}{end}`
res := t.Kub.Get(helpers.DefaultNamespace, fmt.Sprintf("pods -l zgroup=%s", t.Prefix))
data, err := res.Filter(filter)
if err != nil {
return nil, err
}
for _, line := range strings.Split(data.String(), "\n") {
vals := strings.Split(line, "=")
if len(vals) == 2 {
result[vals[0]] = vals[1]
}
}
return result, nil
}
// CreateCiliumNetworkPolicy returns a CiliumNetworkPolicy based on the
// `TestSpec` l3, l4 and l7 rules. Returns an error if any of the `PolicyTest`
// set Template fails or if spec cannot be dump as string
func (t *TestSpec) CreateCiliumNetworkPolicy() (string, error) {
type rule map[string]interface{}
specs := []api.Rule{}
var err error
ingressMap := map[string]interface{}{}
l4ingress := map[string]interface{}{}
egressMap := map[string]interface{}{}
l4egress := map[string]interface{}{}
metadata := []byte(`
{
"apiVersion": "cilium.io/v2",
"kind": "CiliumNetworkPolicy",
"metadata": {
"name": "%[1]s",
"labels": {
"test": "policygen"
}
},
"specs": %[2]s}`)
//Create template
switch kind := t.l3.kind; kind {
case ingress:
err = t.l3.SetTemplate(&ingressMap, t)
case egress:
err = t.l3.SetTemplate(&egressMap, t)
}
if err != nil {
return "", err
}
switch kind := t.l4.kind; kind {
case ingress:
err = t.l4.SetTemplate(&l4ingress, t)
case egress:
err = t.l4.SetTemplate(&l4egress, t)
}
if err != nil {
return "", err
}
switch kind := t.l7.kind; kind {
case ingress:
err = t.l7.SetTemplate(&l4ingress, t)
case egress:
err = t.l7.SetTemplate(&l4egress, t)
}
if err != nil {
return "", err
}
if len(l4ingress) > 0 {
ingressMap[toPorts] = []rule{l4ingress}
}
if len(l4egress) > 0 {
egressMap[toPorts] = []rule{l4egress}
}
if len(ingressMap) > 0 {
var ingressVal api.IngressRule
jsonOut, err := json.Marshal(ingressMap)
if err != nil {
return "", err
}
err = json.Unmarshal(jsonOut, &ingressVal)
if err != nil {
return "", err
}
specs = append(specs, api.Rule{
EndpointSelector: api.EndpointSelector{
LabelSelector: &metav1.LabelSelector{MatchLabels: map[string]string{
"id": t.DestPod,
}},
},
Ingress: []api.IngressRule{ingressVal},
Egress: []api.EgressRule{},
})
}
if len(egressMap) > 0 {
var egressVal api.EgressRule
jsonOut, err := json.Marshal(egressMap)
if err != nil {
return "", err
}
err = json.Unmarshal(jsonOut, &egressVal)
if err != nil {
return "", err
}
specs = append(specs, api.Rule{
EndpointSelector: api.EndpointSelector{
LabelSelector: &metav1.LabelSelector{MatchLabels: map[string]string{
"id": t.SrcPod,
}},
},
Ingress: []api.IngressRule{},
Egress: []api.EgressRule{egressVal},
})
}
if len(specs) == 0 {
return "", nil
}
jsonOutput, err := json.Marshal(specs)
if err != nil {
return "", err
}
return fmt.Sprintf(string(metadata), t.Prefix, jsonOutput), nil
}
// NetworkPolicyName returns the name of the NetworkPolicy
func (t *TestSpec) NetworkPolicyName() string {
return fmt.Sprintf("%s_policy.json", t.Prefix)
}
// NetworkPolicyApply applies the CiliumNetworkPolicy in Kubernetes and wait
// until the statuses of all pods have been updated. Returns an error if the
// status of the pods did not update or if the policy was unable to be applied
func (t *TestSpec) NetworkPolicyApply() error {
policy, err := t.CreateCiliumNetworkPolicy()
if err != nil {
return fmt.Errorf("Network policy cannot be created prefix=%s: %s", t.Prefix, err)
}
if policy == "" {
//This only happens on L3:No Policy L4:No Policy L7:No Policy
log.Info("No policy so do not import it")
return nil
}
err = ioutil.WriteFile(t.NetworkPolicyName(), []byte(policy), os.ModePerm)
if err != nil {
return fmt.Errorf("Network policy cannot be written prefix=%s: %s", t.Prefix, err)
}
_, err = t.Kub.CiliumPolicyAction(
helpers.DefaultNamespace,
fmt.Sprintf("%s/%s", helpers.BasePath, t.NetworkPolicyName()),
helpers.KubectlApply,
helpers.HelperTimeout)
if err != nil {
return fmt.Errorf("Network policy cannot be imported prefix=%s: %s", t.Prefix, err)
}
return nil
}
// InvalidNetworkPolicyApply it writes the policy and applies to Kubernetes,
// but instead of apply the policy, this return the CNP status for the TestSpec
// policy. This function is only used when a invalid combination of policies
// are created, where we need to test that the error is present.
func (t *TestSpec) InvalidNetworkPolicyApply() (*cnpv2.CiliumNetworkPolicy, error) {
policy, err := t.CreateCiliumNetworkPolicy()
if err != nil {
return nil, fmt.Errorf("Network policy cannot be created prefix=%s: %s", t.Prefix, err)
}
err = ioutil.WriteFile(t.NetworkPolicyName(), []byte(policy), os.ModePerm)
if err != nil {
return nil, fmt.Errorf("Network policy cannot be written prefix=%s: %s", t.Prefix, err)
}
res := t.Kub.Apply(filepath.Join(helpers.BasePath, t.NetworkPolicyName()))
if !res.WasSuccessful() {
return nil, fmt.Errorf("%s", res.CombineOutput())
}
body := func() bool {
cnp := t.Kub.GetCNP(helpers.DefaultNamespace, t.Prefix)
if cnp != nil && len(cnp.Status.Nodes) > 0 {
return true
}
return false
}
err = helpers.WithTimeout(
body,
fmt.Sprintf("CNP %q is not ready after timeout", t.Prefix),
&helpers.TimeoutConfig{Timeout: 100 * time.Second})
if err != nil {
return nil, err
}
cnp := t.Kub.GetCNP(helpers.DefaultNamespace, t.Prefix)
if cnp == nil {
return nil, fmt.Errorf("Cannot get cnp '%s'", t.Prefix)
}
return cnp, nil
}
type connTestResultType struct {
kind string
result ResultType
}
// getConnectivityTest returns an array with the expected results of the given
// connectivity test kind
func (t *TestSpec) getConnectivityTest(kind string) []connTestResultType {
return []connTestResultType{
{t.l3.kind, t.l3.tests.GetField(kind)},
{t.l4.kind, t.l4.tests.GetField(kind)},
{t.l7.kind, t.l7.tests.GetField(kind)}}
}
// GetTestExpects returns a map with the connTestType and the expected result
// based on the `testExpect`
func (t *TestSpec) GetTestExpects() map[string]ResultType {
expectedTestResult := func(testType string) ResultType {
connTest := t.getConnectivityTest(testType)
//First check the egress rules that are the first rules that match
for _, kind := range ConnTestsFailedResults {
for _, test := range connTest {
if test.kind == egress {
if test.result == kind {
return kind
}
}
}
}
// If no ResultType for egress, we need to check if any specific
// ResultType on ingress
for _, kind := range ConnTestsFailedResults {
for _, test := range connTest {
if test.kind == ingress {
if test.result == kind {
return kind
}
}
}
}
return ResultOK
}
result := map[string]ResultType{}
for _, connTestType := range ConnTests {
result[connTestType] = expectedTestResult(connTestType)
}
return result
}
// ExecTest runs the connectivityTest for the expected `PolicyTest`. It will
// assert using gomega.
func (t *TestSpec) ExecTest() error {
testFailMessage := func(kind string) string {
return fmt.Sprintf("Type %s from %s to %s did not work", kind, t.SrcPod, t.DestPod)
}
for connType, expectResult := range t.GetTestExpects() {
if connType == Ping && (t.Destination.Kind == service || t.Destination.Kind == nodePort) {
continue
}
ginkgo.By(fmt.Sprintf("Checking %s", connType))
fn := ConnTestsActions[connType]
target, err := t.Destination.GetTarget(t)
if err != nil {
return fmt.Errorf("cannot get target in '%s': %s", t.Prefix, err)
}
result := fn(t.SrcPod, *target, t.Kub)
gomega.Expect(result).To(gomega.Equal(expectResult), testFailMessage(connType))
}
return nil
}
// TestSpecsGroup is a group of different TestSpec
type TestSpecsGroup []*TestSpec
// CreateAndApplyManifests creates all of the pods manifests and applies those
// manifest to the given kubernetes instance.
func (tg TestSpecsGroup) CreateAndApplyManifests(kub *helpers.Kubectl) {
completeManifest := "/tmp/data.yaml"
manifests := []string{}
for _, test := range tg {
test.CreateManifests()
manifests = append(manifests, test.GetManifestsPath())
test.Kub = kub
err := test.Destination.CreateApplyManifest(test)
gomega.ExpectWithOffset(1, err).To(gomega.BeNil(), "cannot apply destination for %s", test.Prefix)
}
res := kub.Exec(fmt.Sprintf("cat %s > %s", strings.Join(manifests, " "), completeManifest))
res.ExpectSuccess()
res = kub.Exec(fmt.Sprintf("%s apply -f %s", helpers.KubectlCmd, completeManifest))
res.ExpectSuccess()
}
// CreateAndApplyCNP creates all Cilium Network Policies and it applies those
// manifests to the given Kubernetes instance.
func (tg TestSpecsGroup) CreateAndApplyCNP(kub *helpers.Kubectl) {
for _, test := range tg {
// TODO: Should be any better way to do this
test.Kub = kub
err := test.NetworkPolicyApply()
gomega.ExpectWithOffset(1, err).To(gomega.BeNil())
}
}
// ConnectivityTest runs the Connectivity test per each TestSpec defined into
// the TestSpecsGroup
func (tg TestSpecsGroup) ConnectivityTest() {
for _, test := range tg {
err := test.ExecTest()
gomega.ExpectWithOffset(1, err).To(gomega.BeNil(), "cannot execute test for %s", test.Prefix)
}
}