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feat: allow cross-namespace communication to namespaces #309

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feat: allow cross-namespace communication to namespaces #309

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1 change: 1 addition & 0 deletions cluster/kube/builder/builder.go
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Original file line number Diff line number Diff line change
Expand Up @@ -29,6 +29,7 @@ const (
AkashServiceCapabilityStorage = "akash.network/capabilities.storage"
AkashMetalLB = "metal-lb"
akashDeploymentPolicyName = "akash-deployment-restrictions"
akashAllowSameOwner = "akash-same-owner"
akashNetworkNamespace = "akash.network/namespace"
AkashLeaseOwnerLabelName = "akash.network/lease.id.owner"
AkashLeaseDSeqLabelName = "akash.network/lease.id.dseq"
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48 changes: 47 additions & 1 deletion cluster/kube/builder/netpol.go
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Original file line number Diff line number Diff line change
Expand Up @@ -37,9 +37,11 @@ func (b *netPol) Create() ([]*netv1.NetworkPolicy, error) { // nolint:golint,unp
const ingressLabelName = "app.kubernetes.io/name"
const ingressLabelValue = "ingress-nginx"

//extract ownerID from LeaseID
ownerID := b.deployment.LeaseID().Owner

result := []*netv1.NetworkPolicy{
{

ObjectMeta: metav1.ObjectMeta{
Name: akashDeploymentPolicyName,
Labels: b.labels(),
Expand Down Expand Up @@ -139,6 +141,50 @@ func (b *netPol) Create() ([]*netv1.NetworkPolicy, error) { // nolint:golint,unp
},
}

//allow-same-owner: enable cross-namespace traffic between namespaces owned by same owner
allowSameOwner := &netv1.NetworkPolicy{
ObjectMeta: metav1.ObjectMeta{
Name: akashAllowSameOwner,
Labels: b.labels(),
Namespace: LidNS(b.deployment.LeaseID()),
},
Spec: netv1.NetworkPolicySpec{
PodSelector: metav1.LabelSelector{},
PolicyTypes: []netv1.PolicyType{
netv1.PolicyTypeIngress,
netv1.PolicyTypeEgress,
},
Ingress: []netv1.NetworkPolicyIngressRule{
{
From: []netv1.NetworkPolicyPeer{
{
NamespaceSelector: &metav1.LabelSelector{
MatchLabels: map[string]string{
AkashLeaseOwnerLabelName: ownerID,
},
},
},
},
},
},
Egress: []netv1.NetworkPolicyEgressRule{
{
To: []netv1.NetworkPolicyPeer{
{
NamespaceSelector: &metav1.LabelSelector{
MatchLabels: map[string]string{
AkashLeaseOwnerLabelName: ownerID,
},
},
},
},
},
},
},
}

result = append(result, allowSameOwner)

for _, service := range b.deployment.ManifestGroup().Services {
// find all the ports that are exposed directly
ports := make([]netv1.NetworkPolicyPort, 0)
Expand Down