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Merge pull request #123316 from jcaamano/describe-port-range

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Describe NetworkPolicy port ranges
This commit is contained in:
Kubernetes Prow Robot 2024-04-18 00:00:35 -07:00 committed by GitHub
commit 18608386ea
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2 changed files with 209 additions and 2 deletions
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12
staging/src/k8s.io/kubectl/pkg/describe/describe.go
View File

@ -4576,7 +4576,11 @@ func printNetworkPolicySpecIngressFrom(npirs []networkingv1.NetworkPolicyIngress
} else {
proto = corev1.ProtocolTCP
}
w.Write(LEVEL_0, "%s%s: %s/%s\n", initialIndent, "To Port", port.Port, proto)
if port.EndPort == nil {
w.Write(LEVEL_0, "%s%s: %s/%s\n", initialIndent, "To Port", port.Port, proto)
} else {
w.Write(LEVEL_0, "%s%s: %s-%d/%s\n", initialIndent, "To Port Range", port.Port, *port.EndPort, proto)
}
}
}
if len(npir.From) == 0 {
@ -4620,7 +4624,11 @@ func printNetworkPolicySpecEgressTo(npers []networkingv1.NetworkPolicyEgressRule
} else {
proto = corev1.ProtocolTCP
}
w.Write(LEVEL_0, "%s%s: %s/%s\n", initialIndent, "To Port", port.Port, proto)
if port.EndPort == nil {
w.Write(LEVEL_0, "%s%s: %s/%s\n", initialIndent, "To Port", port.Port, proto)
} else {
w.Write(LEVEL_0, "%s%s: %s-%d/%s\n", initialIndent, "To Port Range", port.Port, *port.EndPort, proto)
}
}
}
if len(nper.To) == 0 {

199
staging/src/k8s.io/kubectl/pkg/describe/describe_test.go
View File

@ -5483,6 +5483,205 @@ Spec:
}
}
func TestDescribeNetworkPoliciesWithPortRange(t *testing.T) {
expectedTime, err := time.Parse("2006-01-02 15:04:05 Z0700 MST", "2017-06-04 21:45:56 -0700 PDT")
if err != nil {
t.Errorf("unable to parse time %q error: %s", "2017-06-04 21:45:56 -0700 PDT", err)
}
expectedOut := `Name: network-policy-1
Namespace: default
Created on: 2017-06-04 21:45:56 -0700 PDT
Labels: <none>
Annotations: <none>
Spec:
PodSelector: foo in (bar1,bar2),foo2 notin (bar1,bar2),id1=app1,id2=app2
Allowing ingress traffic:
To Port Range: 80-82/TCP
From:
NamespaceSelector: id=ns1,id2=ns2
PodSelector: id=pod1,id2=pod2
From:
PodSelector: id=app2,id2=app3
From:
NamespaceSelector: id=app2,id2=app3
From:
NamespaceSelector: foo in (bar1,bar2),id=app2,id2=app3
From:
IPBlock:
CIDR: 192.168.0.0/16
Except: 192.168.3.0/24, 192.168.4.0/24
----------
To Port: <any> (traffic allowed to all ports)
From: <any> (traffic not restricted by source)
Allowing egress traffic:
To Port Range: 80-82/TCP
To:
NamespaceSelector: id=ns1,id2=ns2
PodSelector: id=pod1,id2=pod2
To:
PodSelector: id=app2,id2=app3
To:
NamespaceSelector: id=app2,id2=app3
To:
NamespaceSelector: foo in (bar1,bar2),id=app2,id2=app3
To:
IPBlock:
CIDR: 192.168.0.0/16
Except: 192.168.3.0/24, 192.168.4.0/24
----------
To Port: <any> (traffic allowed to all ports)
To: <any> (traffic not restricted by destination)
Policy Types: Ingress, Egress
`
port80 := intstr.FromInt(80)
port82 := int32(82)
protoTCP := corev1.ProtocolTCP
versionedFake := fake.NewSimpleClientset(&networkingv1.NetworkPolicy{
ObjectMeta: metav1.ObjectMeta{
Name: "network-policy-1",
Namespace: "default",
CreationTimestamp: metav1.NewTime(expectedTime),
},
Spec: networkingv1.NetworkPolicySpec{
PodSelector: metav1.LabelSelector{
MatchLabels: map[string]string{
"id1": "app1",
"id2": "app2",
},
MatchExpressions: []metav1.LabelSelectorRequirement{
{Key: "foo", Operator: "In", Values: []string{"bar1", "bar2"}},
{Key: "foo2", Operator: "NotIn", Values: []string{"bar1", "bar2"}},
},
},
Ingress: []networkingv1.NetworkPolicyIngressRule{
{
Ports: []networkingv1.NetworkPolicyPort{
{Port: &port80, EndPort: &port82, Protocol: &protoTCP},
},
From: []networkingv1.NetworkPolicyPeer{
{
PodSelector: &metav1.LabelSelector{
MatchLabels: map[string]string{
"id": "pod1",
"id2": "pod2",
},
},
NamespaceSelector: &metav1.LabelSelector{
MatchLabels: map[string]string{
"id": "ns1",
"id2": "ns2",
},
},
},
{
PodSelector: &metav1.LabelSelector{
MatchLabels: map[string]string{
"id": "app2",
"id2": "app3",
},
},
},
{
NamespaceSelector: &metav1.LabelSelector{
MatchLabels: map[string]string{
"id": "app2",
"id2": "app3",
},
},
},
{
NamespaceSelector: &metav1.LabelSelector{
MatchLabels: map[string]string{
"id": "app2",
"id2": "app3",
},
MatchExpressions: []metav1.LabelSelectorRequirement{
{Key: "foo", Operator: "In", Values: []string{"bar1", "bar2"}},
},
},
},
{
IPBlock: &networkingv1.IPBlock{
CIDR: "192.168.0.0/16",
Except: []string{"192.168.3.0/24", "192.168.4.0/24"},
},
},
},
},
{},
},
Egress: []networkingv1.NetworkPolicyEgressRule{
{
Ports: []networkingv1.NetworkPolicyPort{
{Port: &port80, EndPort: &port82, Protocol: &protoTCP},
},
To: []networkingv1.NetworkPolicyPeer{
{
PodSelector: &metav1.LabelSelector{
MatchLabels: map[string]string{
"id": "pod1",
"id2": "pod2",
},
},
NamespaceSelector: &metav1.LabelSelector{
MatchLabels: map[string]string{
"id": "ns1",
"id2": "ns2",
},
},
},
{
PodSelector: &metav1.LabelSelector{
MatchLabels: map[string]string{
"id": "app2",
"id2": "app3",
},
},
},
{
NamespaceSelector: &metav1.LabelSelector{
MatchLabels: map[string]string{
"id": "app2",
"id2": "app3",
},
},
},
{
NamespaceSelector: &metav1.LabelSelector{
MatchLabels: map[string]string{
"id": "app2",
"id2": "app3",
},
MatchExpressions: []metav1.LabelSelectorRequirement{
{Key: "foo", Operator: "In", Values: []string{"bar1", "bar2"}},
},
},
},
{
IPBlock: &networkingv1.IPBlock{
CIDR: "192.168.0.0/16",
Except: []string{"192.168.3.0/24", "192.168.4.0/24"},
},
},
},
},
{},
},
PolicyTypes: []networkingv1.PolicyType{networkingv1.PolicyTypeIngress, networkingv1.PolicyTypeEgress},
},
})
d := NetworkPolicyDescriber{versionedFake}
out, err := d.Describe("default", "network-policy-1", DescriberSettings{})
if err != nil {
t.Errorf("unexpected error: %s", err)
}
if out != expectedOut {
t.Errorf("want:\n%s\ngot:\n%s", expectedOut, out)
}
}
func TestDescribeServiceAccount(t *testing.T) {
fake := fake.NewSimpleClientset(&corev1.ServiceAccount{
ObjectMeta: metav1.ObjectMeta{