forked from projectcalico/libcalico-go
/
conversion_test.go
2528 lines (2207 loc) · 84.4 KB
/
conversion_test.go
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// Copyright (c) 2016-2019 Tigera, Inc. All rights reserved.
// 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 conversion
import (
"os"
. "github.com/onsi/ginkgo"
. "github.com/onsi/ginkgo/extensions/table"
. "github.com/onsi/gomega"
apiv3 "github.com/projectcalico/libcalico-go/lib/apis/v3"
"github.com/projectcalico/libcalico-go/lib/backend/model"
"github.com/projectcalico/libcalico-go/lib/numorstring"
kapiv1 "k8s.io/api/core/v1"
networkingv1 "k8s.io/api/networking/v1"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/util/intstr"
)
var _ = Describe("Test parsing strings", func() {
// Use a single instance of the Converter for these tests.
c := Converter{}
It("should parse WorkloadEndpoint name", func() {
wepName := "node-k8s-pod--name-eth0"
weid, err := c.ParseWorkloadEndpointName(wepName)
Expect(err).NotTo(HaveOccurred())
Expect(weid.Node).To(Equal("node"))
Expect(weid.Orchestrator).To(Equal("k8s"))
Expect(weid.Endpoint).To(Equal("eth0"))
Expect(weid.Pod).To(Equal("pod-name"))
})
It("generate a veth name with the right prefix", func() {
os.Setenv("FELIX_INTERFACEPREFIX", "eni,veth,foo")
defer os.Setenv("FELIX_INTERFACEPREFIX", "")
name := VethNameForWorkload("namespace", "podname")
Expect(name).To(Equal("eni82111e10a96"))
})
It("should parse valid profile names", func() {
name := "kns.default"
ns, err := c.ProfileNameToNamespace(name)
Expect(ns).To(Equal("default"))
Expect(err).NotTo(HaveOccurred())
})
It("should not parse invalid profile names", func() {
name := "ns.projectcalico.org/default"
ns, err := c.ProfileNameToNamespace(name)
Expect(err).To(HaveOccurred())
Expect(ns).To(Equal(""))
})
It("should parse valid sa profile names", func() {
name := "ksa.default.test"
ns, sa, err := c.ProfileNameToServiceAccount(name)
Expect(sa).To(Equal("test"))
Expect(ns).To(Equal("default"))
Expect(err).NotTo(HaveOccurred())
})
It("should parse valid sa profile names with dot(.)", func() {
name := "ksa.default.test.foo"
ns, sa, err := c.ProfileNameToServiceAccount(name)
Expect(sa).To(Equal("test.foo"))
Expect(ns).To(Equal("default"))
Expect(err).NotTo(HaveOccurred())
})
It("should not parse invalid sa profile names", func() {
name := "ns.projectcalico.org/default"
ns, sa, err := c.ProfileNameToServiceAccount(name)
Expect(err).To(HaveOccurred())
Expect(ns).To(Equal(""))
Expect(sa).To(Equal(""))
})
})
var _ = Describe("Test selector conversion", func() {
DescribeTable("selector conversion table",
func(inSelector *metav1.LabelSelector, selectorType selectorType, expected string) {
// First, convert the NetworkPolicy using the k8s conversion logic.
c := Converter{}
converted := c.k8sSelectorToCalico(inSelector, selectorType)
// Finally, assert the expected result.
Expect(converted).To(Equal(expected))
},
Entry("should handle an empty pod selector", &metav1.LabelSelector{}, SelectorPod, "projectcalico.org/orchestrator == 'k8s'"),
Entry("should handle an empty namespace selector", &metav1.LabelSelector{}, SelectorNamespace, "all()"),
Entry("should handle an OpDoesNotExist namespace selector",
&metav1.LabelSelector{
MatchExpressions: []metav1.LabelSelectorRequirement{
{Key: "toast", Operator: metav1.LabelSelectorOpDoesNotExist},
},
},
SelectorNamespace,
"! has(toast)",
),
Entry("should handle an OpExists namespace selector",
&metav1.LabelSelector{
MatchExpressions: []metav1.LabelSelectorRequirement{
{Key: "toast", Operator: metav1.LabelSelectorOpExists},
},
},
SelectorNamespace,
"has(toast)",
),
Entry("should handle an OpIn namespace selector",
&metav1.LabelSelector{
MatchExpressions: []metav1.LabelSelectorRequirement{
{Key: "toast", Operator: metav1.LabelSelectorOpIn, Values: []string{"butter", "jam"}},
},
},
SelectorNamespace,
"toast in { 'butter', 'jam' }",
),
Entry("should handle an OpNotIn namespace selector",
&metav1.LabelSelector{
MatchExpressions: []metav1.LabelSelectorRequirement{
{Key: "toast", Operator: metav1.LabelSelectorOpNotIn, Values: []string{"marmite", "milk"}},
},
},
SelectorNamespace,
"toast not in { 'marmite', 'milk' }",
),
Entry("should handle an OpDoesNotExist pod selector",
&metav1.LabelSelector{
MatchExpressions: []metav1.LabelSelectorRequirement{
{Key: "toast", Operator: metav1.LabelSelectorOpDoesNotExist},
},
},
SelectorPod,
"projectcalico.org/orchestrator == 'k8s' && ! has(toast)",
),
Entry("should handle nil pod selector", nil, SelectorPod, "projectcalico.org/orchestrator == 'k8s'"),
Entry("should handle nil namespace selector", nil, SelectorNamespace, ""),
)
})
var _ = Describe("Test Pod conversion", func() {
// Use a single instance of the Converter for these tests.
c := Converter{}
It("should parse a Pod with an IP to a WorkloadEndpoint", func() {
pod := kapiv1.Pod{
ObjectMeta: metav1.ObjectMeta{
Name: "podA",
Namespace: "default",
Annotations: map[string]string{
"arbitrary": "annotation",
},
Labels: map[string]string{
"labelA": "valueA",
"labelB": "valueB",
},
ResourceVersion: "1234",
},
Spec: kapiv1.PodSpec{
NodeName: "nodeA",
Containers: []kapiv1.Container{
{
Ports: []kapiv1.ContainerPort{
{
ContainerPort: 5678,
},
{
Name: "no-proto",
ContainerPort: 1234,
},
},
},
{
Ports: []kapiv1.ContainerPort{
{
Name: "tcp-proto",
Protocol: kapiv1.ProtocolTCP,
ContainerPort: 1024,
},
{
Name: "tcp-proto-with-host-port",
Protocol: kapiv1.ProtocolTCP,
ContainerPort: 8080,
HostPort: 5678,
},
{
Name: "udp-proto",
Protocol: kapiv1.ProtocolUDP,
ContainerPort: 432,
},
{
Name: "unkn-proto",
Protocol: kapiv1.Protocol("unknown"),
ContainerPort: 567,
},
},
},
},
},
Status: kapiv1.PodStatus{
PodIP: "192.168.0.1",
},
}
wep, err := c.PodToWorkloadEndpoint(&pod)
Expect(err).NotTo(HaveOccurred())
// Make sure the type information is correct.
Expect(wep.Value.(*apiv3.WorkloadEndpoint).Kind).To(Equal(apiv3.KindWorkloadEndpoint))
Expect(wep.Value.(*apiv3.WorkloadEndpoint).APIVersion).To(Equal(apiv3.GroupVersionCurrent))
// Assert key fields.
Expect(wep.Key.(model.ResourceKey).Name).To(Equal("nodeA-k8s-podA-eth0"))
Expect(wep.Key.(model.ResourceKey).Namespace).To(Equal("default"))
Expect(wep.Key.(model.ResourceKey).Kind).To(Equal(apiv3.KindWorkloadEndpoint))
Expect(wep.Value.(*apiv3.WorkloadEndpoint).Spec.Pod).To(Equal("podA"))
Expect(wep.Value.(*apiv3.WorkloadEndpoint).Spec.Node).To(Equal("nodeA"))
Expect(wep.Value.(*apiv3.WorkloadEndpoint).Spec.Endpoint).To(Equal("eth0"))
Expect(wep.Value.(*apiv3.WorkloadEndpoint).Spec.Orchestrator).To(Equal("k8s"))
Expect(len(wep.Value.(*apiv3.WorkloadEndpoint).Spec.IPNetworks)).To(Equal(1))
Expect(wep.Value.(*apiv3.WorkloadEndpoint).Spec.IPNetworks[0]).To(Equal("192.168.0.1/32"))
Expect(len(wep.Value.(*apiv3.WorkloadEndpoint).Spec.Profiles)).To(Equal(1))
expectedLabels := map[string]string{
"labelA": "valueA",
"labelB": "valueB",
"projectcalico.org/namespace": "default",
"projectcalico.org/orchestrator": "k8s",
}
Expect(wep.Value.(*apiv3.WorkloadEndpoint).ObjectMeta.Labels).To(Equal(expectedLabels))
nsProtoTCP := numorstring.ProtocolFromString("tcp")
nsProtoUDP := numorstring.ProtocolFromString("udp")
Expect(wep.Value.(*apiv3.WorkloadEndpoint).Spec.Ports).To(ConsistOf(
// No proto defaults to TCP (as defined in k8s API spec)
apiv3.EndpointPort{Name: "no-proto", Port: 1234, Protocol: nsProtoTCP},
// Explicit TCP proto is OK too.
apiv3.EndpointPort{Name: "tcp-proto", Port: 1024, Protocol: nsProtoTCP},
// Host port should be ignored.
apiv3.EndpointPort{Name: "tcp-proto-with-host-port", Port: 8080, Protocol: nsProtoTCP},
// UDP is also an option.
apiv3.EndpointPort{Name: "udp-proto", Port: 432, Protocol: nsProtoUDP},
// Unknown protocol port is ignored.
))
// Assert the interface name is fixed. The calculation of this name should be consistent
// between releases otherwise there will be issues upgrading a node with networked Pods.
// If this fails, fix the code not this expect!
Expect(wep.Value.(*apiv3.WorkloadEndpoint).Spec.InterfaceName).To(Equal("cali7f94ce7c295"))
// Assert ResourceVersion is present.
Expect(wep.Revision).To(Equal("1234"))
})
It("should look in the calico annotation for the IP", func() {
pod := kapiv1.Pod{
ObjectMeta: metav1.ObjectMeta{
Name: "podA",
Namespace: "default",
Annotations: map[string]string{
"arbitrary": "annotation",
"cni.projectcalico.org/podIP": "192.168.0.1",
},
Labels: map[string]string{
"labelA": "valueA",
"labelB": "valueB",
},
ResourceVersion: "1234",
},
Spec: kapiv1.PodSpec{
NodeName: "nodeA",
Containers: []kapiv1.Container{},
},
}
wep, err := c.PodToWorkloadEndpoint(&pod)
Expect(err).NotTo(HaveOccurred())
Expect(c.HasIPAddress(&pod)).To(BeTrue())
Expect(wep.Value.(*apiv3.WorkloadEndpoint).Spec.IPNetworks).To(ConsistOf("192.168.0.1/32"))
})
It("should look in the calico annotation for a floating IP", func() {
pod := kapiv1.Pod{
ObjectMeta: metav1.ObjectMeta{
Name: "podA",
Namespace: "default",
Annotations: map[string]string{
"arbitrary": "annotation",
"cni.projectcalico.org/podIP": "192.168.0.1",
"cni.projectcalico.org/floatingIPs": "[\"1.1.1.1\"]",
},
Labels: map[string]string{
"labelA": "valueA",
"labelB": "valueB",
},
ResourceVersion: "1234",
},
Spec: kapiv1.PodSpec{
NodeName: "nodeA",
Containers: []kapiv1.Container{},
},
}
wep, err := c.PodToWorkloadEndpoint(&pod)
Expect(err).NotTo(HaveOccurred())
Expect(c.HasIPAddress(&pod)).To(BeTrue())
Expect(wep.Value.(*apiv3.WorkloadEndpoint).Spec.IPNetworks).To(ConsistOf("192.168.0.1/32"))
// Assert that the endpoint contains the appropriate DNAT
Expect(wep.Value.(*apiv3.WorkloadEndpoint).Spec.IPNATs).To(ConsistOf(apiv3.IPNAT{InternalIP: "192.168.0.1", ExternalIP: "1.1.1.1"}))
})
It("should return an error for a bad pod IP", func() {
pod := kapiv1.Pod{
ObjectMeta: metav1.ObjectMeta{
Name: "podA",
Namespace: "default",
Annotations: map[string]string{
"cni.projectcalico.org/podIP": "foobar",
},
ResourceVersion: "1234",
},
Spec: kapiv1.PodSpec{
NodeName: "nodeA",
Containers: []kapiv1.Container{},
},
}
_, err := c.PodToWorkloadEndpoint(&pod)
Expect(err).To(HaveOccurred())
})
It("should return a value for a missing pod IP", func() {
pod := kapiv1.Pod{
ObjectMeta: metav1.ObjectMeta{
Name: "podA",
Namespace: "default",
ResourceVersion: "1234",
},
Spec: kapiv1.PodSpec{
NodeName: "nodeA",
Containers: []kapiv1.Container{},
},
}
kvp, err := c.PodToWorkloadEndpoint(&pod)
Expect(err).NotTo(HaveOccurred())
Expect(kvp.Value).NotTo(BeNil())
})
It("should prioritise PodIP over the calico annotation for the IP", func() {
pod := kapiv1.Pod{
ObjectMeta: metav1.ObjectMeta{
Name: "podA",
Namespace: "default",
Annotations: map[string]string{
"arbitrary": "annotation",
"cni.projectcalico.org/podIP": "192.168.0.1",
},
Labels: map[string]string{
"labelA": "valueA",
"labelB": "valueB",
},
ResourceVersion: "1234",
},
Spec: kapiv1.PodSpec{
NodeName: "nodeA",
Containers: []kapiv1.Container{},
},
Status: kapiv1.PodStatus{
PodIP: "192.168.0.2",
},
}
wep, err := c.PodToWorkloadEndpoint(&pod)
Expect(err).NotTo(HaveOccurred())
Expect(wep.Value.(*apiv3.WorkloadEndpoint).Spec.IPNetworks).To(ConsistOf("192.168.0.2/32"))
})
DescribeTable("PodToWorkloadEndpoint reject/accept phase tests",
func(podPhase kapiv1.PodPhase, expectedResult bool) {
pod := kapiv1.Pod{
ObjectMeta: metav1.ObjectMeta{
Name: "podA",
Namespace: "default",
Annotations: map[string]string{
"cni.projectcalico.org/podIP": "192.168.0.1",
},
ResourceVersion: "1234",
},
Spec: kapiv1.PodSpec{
NodeName: "nodeA",
Containers: []kapiv1.Container{},
},
Status: kapiv1.PodStatus{
PodIP: "192.168.0.1",
Phase: podPhase,
},
}
kvp, err := c.PodToWorkloadEndpoint(&pod)
Expect(err).NotTo(HaveOccurred())
if expectedResult {
Expect(kvp.Value.(*apiv3.WorkloadEndpoint).Spec.IPNetworks).To(HaveLen(1))
} else {
Expect(kvp.Value.(*apiv3.WorkloadEndpoint).Spec.IPNetworks).To(HaveLen(0))
}
},
Entry("Pending", kapiv1.PodPending, true),
Entry("Running", kapiv1.PodRunning, true),
// PodUnknown usually means that the Kubelet is out-of-touch with the API server. It _might_ be
// finished but I think we have to assume that it's still alive to avoid escalating the Kubelet failure
// to a network outage for that pod.
Entry("Unknown", kapiv1.PodUnknown, true),
Entry("Pending", kapiv1.PodSucceeded, false),
Entry("Failed", kapiv1.PodFailed, false),
Entry("Completed", kapiv1.PodPhase("Completed"), false),
)
It("Pod without an IP should be valid but not ready", func() {
pod := kapiv1.Pod{
ObjectMeta: metav1.ObjectMeta{
Name: "podB",
Namespace: "default",
Annotations: map[string]string{
"arbitrary": "annotation",
},
Labels: map[string]string{
"labelA": "valueA",
"labelB": "valueB",
},
},
Spec: kapiv1.PodSpec{
NodeName: "nodeA",
},
Status: kapiv1.PodStatus{},
}
Expect(c.IsValidCalicoWorkloadEndpoint(&pod)).To(BeTrue())
_, err := c.PodToWorkloadEndpoint(&pod)
Expect(err).NotTo(HaveOccurred())
Expect(c.IsReadyCalicoPod(&pod)).To(BeFalse())
})
It("should parse a Pod with no labels", func() {
pod := kapiv1.Pod{
ObjectMeta: metav1.ObjectMeta{
Name: "podB",
Namespace: "default",
},
Spec: kapiv1.PodSpec{
NodeName: "nodeA",
},
Status: kapiv1.PodStatus{
PodIP: "192.168.0.1",
},
}
wep, err := c.PodToWorkloadEndpoint(&pod)
Expect(err).NotTo(HaveOccurred())
// Assert key fields.
Expect(wep.Key.(model.ResourceKey).Name).To(Equal("nodeA-k8s-podB-eth0"))
Expect(wep.Key.(model.ResourceKey).Namespace).To(Equal("default"))
Expect(wep.Key.(model.ResourceKey).Kind).To(Equal(apiv3.KindWorkloadEndpoint))
// Assert value fields.
Expect(wep.Value.(*apiv3.WorkloadEndpoint).Spec.Pod).To(Equal("podB"))
Expect(wep.Value.(*apiv3.WorkloadEndpoint).Spec.Node).To(Equal("nodeA"))
Expect(wep.Value.(*apiv3.WorkloadEndpoint).Spec.Endpoint).To(Equal("eth0"))
Expect(wep.Value.(*apiv3.WorkloadEndpoint).Spec.Orchestrator).To(Equal("k8s"))
Expect(len(wep.Value.(*apiv3.WorkloadEndpoint).Spec.IPNetworks)).To(Equal(1))
Expect(len(wep.Value.(*apiv3.WorkloadEndpoint).Spec.Profiles)).To(Equal(1))
Expect(wep.Value.(*apiv3.WorkloadEndpoint).ObjectMeta.Labels).To(Equal(map[string]string{
"projectcalico.org/namespace": "default",
"projectcalico.org/orchestrator": "k8s",
}))
// Assert the interface name is fixed. The calculation of this name should be consistent
// between releases otherwise there will be issues upgrading a node with networked Pods.
// If this fails, fix the code not this expect!
Expect(wep.Value.(*apiv3.WorkloadEndpoint).Spec.InterfaceName).To(Equal("cali92cf1f5e9f6"))
})
It("should not parse a Pod with no NodeName", func() {
pod := kapiv1.Pod{
ObjectMeta: metav1.ObjectMeta{
Name: "podA",
Namespace: "default",
},
Spec: kapiv1.PodSpec{},
Status: kapiv1.PodStatus{
PodIP: "192.168.0.1",
},
}
_, err := c.PodToWorkloadEndpoint(&pod)
Expect(err).To(HaveOccurred())
})
It("should parse a Pod with serviceaccount", func() {
pod := kapiv1.Pod{
ObjectMeta: metav1.ObjectMeta{
Name: "podA",
Namespace: "default",
Annotations: map[string]string{
"arbitrary": "annotation",
},
Labels: map[string]string{
"labelA": "valueA",
"labelB": "valueB",
},
ResourceVersion: "1234",
},
Spec: kapiv1.PodSpec{
NodeName: "nodeA",
ServiceAccountName: "sa-test",
Containers: []kapiv1.Container{
{
Ports: []kapiv1.ContainerPort{
{
ContainerPort: 5678,
},
{
Name: "no-proto",
ContainerPort: 1234,
},
},
},
{
Ports: []kapiv1.ContainerPort{
{
Name: "tcp-proto",
Protocol: kapiv1.ProtocolTCP,
ContainerPort: 1024,
},
},
},
},
},
Status: kapiv1.PodStatus{
PodIP: "192.168.0.1",
},
}
wep, err := c.PodToWorkloadEndpoint(&pod)
Expect(err).NotTo(HaveOccurred())
// Make sure the type information is correct.
Expect(wep.Value.(*apiv3.WorkloadEndpoint).Kind).To(Equal(apiv3.KindWorkloadEndpoint))
Expect(wep.Value.(*apiv3.WorkloadEndpoint).APIVersion).To(Equal(apiv3.GroupVersionCurrent))
// Assert key fields.
Expect(wep.Key.(model.ResourceKey).Name).To(Equal("nodeA-k8s-podA-eth0"))
Expect(wep.Key.(model.ResourceKey).Namespace).To(Equal("default"))
Expect(wep.Key.(model.ResourceKey).Kind).To(Equal(apiv3.KindWorkloadEndpoint))
// Check for only values that are ServiceAccount related.
Expect(len(wep.Value.(*apiv3.WorkloadEndpoint).Spec.Profiles)).To(Equal(2))
expectedLabels := map[string]string{
"labelA": "valueA",
"labelB": "valueB",
"projectcalico.org/namespace": "default",
"projectcalico.org/orchestrator": "k8s",
apiv3.LabelServiceAccount: "sa-test",
}
Expect(wep.Value.(*apiv3.WorkloadEndpoint).ObjectMeta.Labels).To(Equal(expectedLabels))
// Assert ResourceVersion is present.
Expect(wep.Revision).To(Equal("1234"))
})
It("should parse a Pod with GenerateName set in metadata", func() {
gname := "generatedname"
pod := kapiv1.Pod{
ObjectMeta: metav1.ObjectMeta{
Name: "podA",
Namespace: "default",
GenerateName: gname,
},
Spec: kapiv1.PodSpec{
NodeName: "nodeA",
},
Status: kapiv1.PodStatus{
PodIP: "192.168.0.1",
},
}
wep, err := c.PodToWorkloadEndpoint(&pod)
Expect(err).NotTo(HaveOccurred())
// Make sure the GenerateName information is correct.
Expect(wep.Value.(*apiv3.WorkloadEndpoint).GenerateName).To(Equal(gname))
})
})
var _ = Describe("Test NetworkPolicy conversion", func() {
// Use a single instance of the Converter for these tests.
c := Converter{}
It("should parse a basic k8s NetworkPolicy to a NetworkPolicy", func() {
port80 := intstr.FromInt(80)
portFoo := intstr.FromString("foo")
np := networkingv1.NetworkPolicy{
ObjectMeta: metav1.ObjectMeta{
Name: "test.policy",
Namespace: "default",
},
Spec: networkingv1.NetworkPolicySpec{
PodSelector: metav1.LabelSelector{
MatchLabels: map[string]string{
"label": "value",
"label2": "value2",
},
},
Ingress: []networkingv1.NetworkPolicyIngressRule{
{
Ports: []networkingv1.NetworkPolicyPort{
{Port: &port80},
{Port: &portFoo},
},
From: []networkingv1.NetworkPolicyPeer{
{
PodSelector: &metav1.LabelSelector{
MatchLabels: map[string]string{
"k": "v",
"k2": "v2",
},
},
},
},
},
},
PolicyTypes: []networkingv1.PolicyType{networkingv1.PolicyTypeIngress},
},
}
// Parse the policy.
pol, err := c.K8sNetworkPolicyToCalico(&np)
Expect(err).NotTo(HaveOccurred())
// Make sure the type information is correct.
Expect(pol.Value.(*apiv3.NetworkPolicy).Kind).To(Equal(apiv3.KindNetworkPolicy))
Expect(pol.Value.(*apiv3.NetworkPolicy).APIVersion).To(Equal(apiv3.GroupVersionCurrent))
// Assert key fields are correct.
Expect(pol.Key.(model.ResourceKey).Name).To(Equal("knp.default.test.policy"))
// Assert value fields are correct.
Expect(int(*pol.Value.(*apiv3.NetworkPolicy).Spec.Order)).To(Equal(1000))
// Check the selector is correct, and that the matches are sorted.
Expect(pol.Value.(*apiv3.NetworkPolicy).Spec.Selector).To(Equal(
"projectcalico.org/orchestrator == 'k8s' && label == 'value' && label2 == 'value2'"))
protoTCP := numorstring.ProtocolFromString("TCP")
Expect(pol.Value.(*apiv3.NetworkPolicy).Spec.Ingress).To(ConsistOf(
apiv3.Rule{
Action: "Allow",
Protocol: &protoTCP, // Defaulted to TCP.
Source: apiv3.EntityRule{
Selector: "projectcalico.org/orchestrator == 'k8s' && k == 'v' && k2 == 'v2'",
},
Destination: apiv3.EntityRule{
Ports: []numorstring.Port{numorstring.SinglePort(80), {MinPort: 0, MaxPort: 0, PortName: "foo"}},
},
},
))
// Check that Types field exists and has only 'ingress'
Expect(len(pol.Value.(*apiv3.NetworkPolicy).Spec.Types)).To(Equal(1))
Expect(pol.Value.(*apiv3.NetworkPolicy).Spec.Types[0]).To(Equal(apiv3.PolicyTypeIngress))
// There should be no Egress rules
Expect(pol.Value.(*apiv3.NetworkPolicy).Spec.Egress).To(HaveLen(0))
})
It("should parse a k8s NetworkPolicy with no ports", func() {
np := networkingv1.NetworkPolicy{
ObjectMeta: metav1.ObjectMeta{
Name: "test.policy",
Namespace: "default",
},
Spec: networkingv1.NetworkPolicySpec{
PodSelector: metav1.LabelSelector{
MatchLabels: map[string]string{
"label": "value",
"label2": "value2",
},
},
Ingress: []networkingv1.NetworkPolicyIngressRule{
{
From: []networkingv1.NetworkPolicyPeer{
{
PodSelector: &metav1.LabelSelector{
MatchLabels: map[string]string{
"k": "v",
"k2": "v2",
},
},
},
},
},
},
PolicyTypes: []networkingv1.PolicyType{networkingv1.PolicyTypeIngress},
},
}
// Parse the policy.
pol, err := c.K8sNetworkPolicyToCalico(&np)
Expect(err).NotTo(HaveOccurred())
Expect(pol.Value.(*apiv3.NetworkPolicy).Spec.Ingress).To(ConsistOf(
apiv3.Rule{
Action: "Allow",
Protocol: nil, // We only default to TCP when ports exist
Source: apiv3.EntityRule{
Selector: "projectcalico.org/orchestrator == 'k8s' && k == 'v' && k2 == 'v2'",
},
Destination: apiv3.EntityRule{},
},
))
})
It("should parse a k8s NetworkPolicy with blank ports", func() {
port80 := intstr.FromInt(80)
np := networkingv1.NetworkPolicy{
ObjectMeta: metav1.ObjectMeta{
Name: "test.policy",
Namespace: "default",
},
Spec: networkingv1.NetworkPolicySpec{
PodSelector: metav1.LabelSelector{
MatchLabels: map[string]string{
"label": "value",
"label2": "value2",
},
},
Ingress: []networkingv1.NetworkPolicyIngressRule{
{
Ports: []networkingv1.NetworkPolicyPort{{Port: &port80}, {}},
From: []networkingv1.NetworkPolicyPeer{
{
PodSelector: &metav1.LabelSelector{
MatchLabels: map[string]string{
"k": "v",
"k2": "v2",
},
},
},
},
},
},
PolicyTypes: []networkingv1.PolicyType{networkingv1.PolicyTypeIngress},
},
}
// Parse the policy.
pol, err := c.K8sNetworkPolicyToCalico(&np)
Expect(err).NotTo(HaveOccurred())
Expect(pol.Value.(*apiv3.NetworkPolicy).Spec.Ingress).To(ConsistOf(
apiv3.Rule{
Action: "Allow",
Protocol: nil, // We only default to TCP when ports exist
Source: apiv3.EntityRule{
Selector: "projectcalico.org/orchestrator == 'k8s' && k == 'v' && k2 == 'v2'",
},
Destination: apiv3.EntityRule{},
},
))
})
It("should drop rules with invalid ports in a k8s NetworkPolicy", func() {
port80 := intstr.FromInt(80)
portFoo := intstr.FromString("foo")
portBad := intstr.FromString("-50:-1")
np := networkingv1.NetworkPolicy{
ObjectMeta: metav1.ObjectMeta{
Name: "test.policy",
Namespace: "default",
},
Spec: networkingv1.NetworkPolicySpec{
PodSelector: metav1.LabelSelector{
MatchLabels: map[string]string{
"label": "value",
"label2": "value2",
},
},
Ingress: []networkingv1.NetworkPolicyIngressRule{
{
Ports: []networkingv1.NetworkPolicyPort{
{Port: &port80},
{Port: &portFoo},
},
From: []networkingv1.NetworkPolicyPeer{
{
PodSelector: &metav1.LabelSelector{
MatchLabels: map[string]string{
"k": "v",
"k2": "v2",
},
},
},
},
},
{
Ports: []networkingv1.NetworkPolicyPort{
{Port: &port80},
{Port: &portBad},
},
From: []networkingv1.NetworkPolicyPeer{
{
PodSelector: &metav1.LabelSelector{
MatchLabels: map[string]string{
"k": "v",
"k2": "v2",
},
},
},
},
},
},
PolicyTypes: []networkingv1.PolicyType{networkingv1.PolicyTypeIngress},
},
}
// Parse the policy.
pol, err := c.K8sNetworkPolicyToCalico(&np)
Expect(err).NotTo(HaveOccurred())
protoTCP := numorstring.ProtocolFromString("TCP")
// Only the two valid ports should exist. The third should have been dropped.
Expect(len(pol.Value.(*apiv3.NetworkPolicy).Spec.Ingress)).To(Equal(1))
Expect(pol.Value.(*apiv3.NetworkPolicy).Spec.Ingress).To(ConsistOf(
apiv3.Rule{
Action: "Allow",
Protocol: &protoTCP, // Defaulted to TCP.
Source: apiv3.EntityRule{
Selector: "projectcalico.org/orchestrator == 'k8s' && k == 'v' && k2 == 'v2'",
},
Destination: apiv3.EntityRule{
Ports: []numorstring.Port{numorstring.SinglePort(80), numorstring.NamedPort("foo")},
},
},
))
})
It("should parse a NetworkPolicy with no rules", func() {
np := networkingv1.NetworkPolicy{
ObjectMeta: metav1.ObjectMeta{
Name: "test.policy",
Namespace: "default",
},
Spec: networkingv1.NetworkPolicySpec{
PodSelector: metav1.LabelSelector{
MatchLabels: map[string]string{"label": "value"},
},
PolicyTypes: []networkingv1.PolicyType{networkingv1.PolicyTypeIngress},
},
}
// Parse the policy.
pol, err := c.K8sNetworkPolicyToCalico(&np)
Expect(err).NotTo(HaveOccurred())
// Assert key fields are correct.
Expect(pol.Key.(model.ResourceKey).Name).To(Equal("knp.default.test.policy"))
// Assert value fields are correct.
Expect(int(*pol.Value.(*apiv3.NetworkPolicy).Spec.Order)).To(Equal(1000))
Expect(pol.Value.(*apiv3.NetworkPolicy).Spec.Selector).To(Equal("projectcalico.org/orchestrator == 'k8s' && label == 'value'"))
Expect(pol.Value.(*apiv3.NetworkPolicy).Spec.Ingress).To(HaveLen(0))
// There should be no Egress rules
Expect(pol.Value.(*apiv3.NetworkPolicy).Spec.Egress).To(HaveLen(0))
// Check that Types field exists and has only 'ingress'
Expect(len(pol.Value.(*apiv3.NetworkPolicy).Spec.Types)).To(Equal(1))
Expect(pol.Value.(*apiv3.NetworkPolicy).Spec.Types[0]).To(Equal(apiv3.PolicyTypeIngress))
})
It("should parse a default-deny egress NetworkPolicy", func() {
np := networkingv1.NetworkPolicy{
ObjectMeta: metav1.ObjectMeta{
Name: "testPolicy",
Namespace: "default",
},
Spec: networkingv1.NetworkPolicySpec{
PodSelector: metav1.LabelSelector{},
PolicyTypes: []networkingv1.PolicyType{networkingv1.PolicyTypeEgress},
},
}
pol, err := c.K8sNetworkPolicyToCalico(&np)
By("parsing the policy", func() {
Expect(err).NotTo(HaveOccurred())
})
By("generating the correct name and namespace", func() {
Expect(pol.Key.(model.ResourceKey).Name).To(Equal("knp.default.testPolicy"))
Expect(pol.Key.(model.ResourceKey).Namespace).To(Equal("default"))
})
By("generating the correct selector", func() {
Expect(pol.Value.(*apiv3.NetworkPolicy).Spec.Selector).To(Equal("projectcalico.org/orchestrator == 'k8s'"))
})
By("generating the correct order", func() {
Expect(int(*pol.Value.(*apiv3.NetworkPolicy).Spec.Order)).To(Equal(1000))
})
By("generating no outbound rules", func() {
Expect(pol.Value.(*apiv3.NetworkPolicy).Spec.Egress).To(HaveLen(0))
})
By("generating no inbound rules", func() {
Expect(pol.Value.(*apiv3.NetworkPolicy).Spec.Ingress).To(HaveLen(0))
})
By("generating the correct policy types", func() {
Expect(len(pol.Value.(*apiv3.NetworkPolicy).Spec.Types)).To(Equal(1))
Expect(pol.Value.(*apiv3.NetworkPolicy).Spec.Types[0]).To(Equal(apiv3.PolicyTypeEgress))
})
})
It("should parse a NetworkPolicy with multiple peers", func() {
np := networkingv1.NetworkPolicy{
ObjectMeta: metav1.ObjectMeta{
Name: "test.policy",
Namespace: "default",
},
Spec: networkingv1.NetworkPolicySpec{
PodSelector: metav1.LabelSelector{
MatchLabels: map[string]string{"label": "value"},
},
Ingress: []networkingv1.NetworkPolicyIngressRule{
{
Ports: []networkingv1.NetworkPolicyPort{
{},
},
From: []networkingv1.NetworkPolicyPeer{
{
PodSelector: &metav1.LabelSelector{
MatchLabels: map[string]string{
"k": "v",
},
},
},
{
PodSelector: &metav1.LabelSelector{
MatchLabels: map[string]string{
"k2": "v2",
},
},
},
},
},
},
PolicyTypes: []networkingv1.PolicyType{networkingv1.PolicyTypeIngress},
},
}
var pol *model.KVPair
var err error
By("parsing the policy", func() {
pol, err = c.K8sNetworkPolicyToCalico(&np)
Expect(err).NotTo(HaveOccurred())
Expect(pol.Key.(model.ResourceKey).Name).To(Equal("knp.default.test.policy"))
Expect(pol.Key.(model.ResourceKey).Namespace).To(Equal("default"))
Expect(pol.Value.(*apiv3.NetworkPolicy).Name).To(Equal("knp.default.test.policy"))
Expect(pol.Value.(*apiv3.NetworkPolicy).Namespace).To(Equal("default"))
Expect(int(*pol.Value.(*apiv3.NetworkPolicy).Spec.Order)).To(Equal(1000))
})
By("having the correct endpoint selector", func() {
Expect(pol.Value.(*apiv3.NetworkPolicy).Spec.Selector).To(Equal("projectcalico.org/orchestrator == 'k8s' && label == 'value'"))
})