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shyamradhakrishnanshyamradhakrishnan
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Add missing NSG rule for control plane Kubelet communication, and fix cluster templates (#23)
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+238
-112
lines changed

8 files changed

+238
-112
lines changed

‎cloud/scope/nsg_reconciler.go‎

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@@ -643,6 +643,20 @@ func (s *ClusterScope) GetControlPlaneMachineDefaultIngressRules() []infrastruct
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},
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},
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},
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{
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IngressSecurityRule: infrastructurev1beta1.IngressSecurityRule{
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Description: common.String("Control Plane to Control Plane Kubelet Communication"),
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Protocol: common.String("6"),
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TcpOptions: &infrastructurev1beta1.TcpOptions{
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DestinationPortRange: &infrastructurev1beta1.PortRange{
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Max: common.Int(10250),
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Min: common.Int(10250),
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},
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},
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SourceType: infrastructurev1beta1.IngressSecurityRuleSourceTypeCidrBlock,
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Source: common.String(ControlPlaneMachineSubnetDefaultCIDR),
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},
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},
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}
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}
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‎cloud/scope/nsg_reconciler_test.go‎

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@@ -308,6 +308,20 @@ func TestClusterScope_NSGSpec(t *testing.T) {
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},
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},
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},
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{
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IngressSecurityRule: infrastructurev1beta1.IngressSecurityRule{
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Description: common.String("Control Plane to Control Plane Kubelet Communication"),
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Protocol: common.String("6"),
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TcpOptions: &infrastructurev1beta1.TcpOptions{
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DestinationPortRange: &infrastructurev1beta1.PortRange{
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Max: common.Int(10250),
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Min: common.Int(10250),
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},
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},
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SourceType: infrastructurev1beta1.IngressSecurityRuleSourceTypeCidrBlock,
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Source: common.String(ControlPlaneMachineSubnetDefaultCIDR),
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},
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},
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},
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},
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{
@@ -728,6 +742,20 @@ func TestClusterScope_NSGSpec(t *testing.T) {
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},
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},
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},
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{
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IngressSecurityRule: infrastructurev1beta1.IngressSecurityRule{
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Description: common.String("Control Plane to Control Plane Kubelet Communication"),
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Protocol: common.String("6"),
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TcpOptions: &infrastructurev1beta1.TcpOptions{
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DestinationPortRange: &infrastructurev1beta1.PortRange{
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Max: common.Int(10250),
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Min: common.Int(10250),
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},
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},
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SourceType: infrastructurev1beta1.IngressSecurityRuleSourceTypeCidrBlock,
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Source: common.String(ControlPlaneMachineSubnetDefaultCIDR),
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},
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},
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},
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},
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},

‎docs/src/networking/antrea.md‎

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@@ -35,6 +35,7 @@ The OCI Compute instances running the Kubernetes Control plane components will b
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| CIDR Block | 10.0.0.8/29 | 6443 | TCP | Kubernetes API endpoint to Kubernetes Control plane communication |
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| CIDR Block | 10.0.0.0/29 | 6443 | TCP | Control plane to Control plane (API Server port) communication |
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| CIDR Block | 10.0.64.0/20 | 6443 | TCP | Worker Node to Kubernetes Control plane (API Server port)communication|
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| CIDR block | 10.0.0.0/29 | 10250 | TCP | Control Plane to Control Plane Kubelet Communication |
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| CIDR Block | 10.0.0.0/29 | 2379 | TCP | etcd client communication |
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| CIDR Block | 10.0.0.0/29 | 2380 | TCP | etcd peer communication |
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| CIDR Block | 10.0.0.0/29 | 10349 | TCP | Antrea Service |

‎docs/src/networking/calico.md‎

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@@ -31,10 +31,11 @@ The OCI compute instances running the Kubernetes control plane components will b
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#### Ingress Rules
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| Source Type | Source | Destination Port | Protocol | Description |
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| ---------------- | ----------------- | ----------------- | -------------------- | --------------------------------------------------------------------- |
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| ---------------- | ----------------- | ----------------- | -------------------- |-----------------------------------------------------------------------|
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| CIDR block | 10.0.0.8/29 | 6443 | TCP | Kubernetes API endpoint to Kubernetes control plane communication |
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| CIDR block | 10.0.0.0/29 | 6443 | TCP | Control plane to control plane (API server port) communication |
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| CIDR block | 10.0.64.0/20 | 6443 | TCP | Worker Node to Kubernetes control plane (API Server) communication |
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| CIDR block | 10.0.0.0/29 | 10250 | TCP | Control Plane to Control Plane Kubelet Communication |
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| CIDR block | 10.0.0.0/29 | 2379 | TCP | etcd client communication |
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| CIDR block | 10.0.0.0/29 | 2380 | TCP | etcd peer communication |
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| CIDR block | 10.0.0.0/29 | 179 | TCP | Calico networking (BGP) |

‎templates/cluster-template-antrea.yaml‎

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@@ -156,6 +156,16 @@ spec:
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destinationPortRange:
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max: 22
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min: 22
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- ingressRule:
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description: Control Plane to Control Plane Kubelet Communication
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isStateless: false
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protocol: "6"
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source: 10.0.0.0/29
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sourceType: CIDR_BLOCK
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tcpOptions:
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destinationPortRange:
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max: 10250
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min: 10250
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name: control-plane
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role: control-plane
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- egressRules:
@@ -290,7 +300,7 @@ spec:
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memoryInGBs: "${OCI_SHAPE_MEMORY_IN_GBS}"
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metadata:
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ssh_authorized_keys: "${OCI_SSH_KEY}"
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IsPvEncryptionInTransitEnabled: ${OCI_PV_TRANSIT_ENCRYPTION=true}
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isPvEncryptionInTransitEnabled: ${OCI_PV_TRANSIT_ENCRYPTION=true}
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---
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apiVersion: infrastructure.cluster.x-k8s.io/v1beta1
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kind: OCIMachineTemplate
@@ -307,7 +317,7 @@ spec:
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memoryInGBs: "${OCI_SHAPE_MEMORY_IN_GBS}"
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metadata:
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ssh_authorized_keys: "${OCI_SSH_KEY}"
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IsPvEncryptionInTransitEnabled: ${OCI_PV_TRANSIT_ENCRYPTION=true}
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isPvEncryptionInTransitEnabled: ${OCI_PV_TRANSIT_ENCRYPTION=true}
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---
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apiVersion: bootstrap.cluster.x-k8s.io/v1alpha4
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kind: KubeadmConfigTemplate

‎templates/cluster-template-failure-domain-spread.yaml‎

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@@ -86,7 +86,7 @@ spec:
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memoryInGBs: "${OCI_SHAPE_MEMORY_IN_GBS}"
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metadata:
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ssh_authorized_keys: "${OCI_SSH_KEY}"
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IsPvEncryptionInTransitEnabled: ${OCI_PV_TRANSIT_ENCRYPTION=true}
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isPvEncryptionInTransitEnabled: ${OCI_PV_TRANSIT_ENCRYPTION=true}
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---
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apiVersion: infrastructure.cluster.x-k8s.io/v1beta1
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kind: OCIMachineTemplate
@@ -103,7 +103,7 @@ spec:
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memoryInGBs: "${OCI_SHAPE_MEMORY_IN_GBS}"
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metadata:
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ssh_authorized_keys: "${OCI_SSH_KEY}"
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IsPvEncryptionInTransitEnabled: ${OCI_PV_TRANSIT_ENCRYPTION=true}
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isPvEncryptionInTransitEnabled: ${OCI_PV_TRANSIT_ENCRYPTION=true}
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---
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apiVersion: bootstrap.cluster.x-k8s.io/v1alpha4
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kind: KubeadmConfigTemplate

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