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Cookbook

6.2.0
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Oracle Kubernetes (OKE) SDN connector

OCI SDN connectors support dynamic address groups based on Oracle Kubernetes (OKE) filters.

To filter out the Kubernetes IP addresses, the following address filters have been introduced:

k8s_compartment

Name of compartment that the Kubernetes cluster created in.

k8s_cluster

Name of Kubernetes cluster.

k8s_namespace Namespace of a Kubernetes service or pod.
k8s_servicename Name of a Kubernetes service.
k8s_nodename Name of a Kubernetes node.
k8s_region Region of a Kubernetes node.
k8s_zone Zone of a Kubernetes node.

k8s_podname

name of a Kubernetes pod.

k8s_label.xxx

Name of label of a Kubernetes resource (cluster/service/node/Pod)

To enable an OCI SDN connector to fetch IP addresses from Oracle Kubernetes:
  1. Configure the OCI SDN connector:
    1. Go to Security Fabric > Fabric Connectors.
    2. Click Create New, and select Oracle Cloud Infrastructure (OCI).
    3. Configure as shown substituting the region, tenant and client IDs, and client secret for your deployment. The update interval is in seconds.

      Screenshot of SDN connector configuration for Azure AKS

  2. Create dynamic firewall addresses for the configured SDN connector with supported Kubernetes filter:
    1. Go to Policy & Objects > Addresses.
    2. Click Create New, then select Address.
    3. Configure the addresses.

      Screenshot of Azure Kubernetes setup displaying the creation of dynamic firewall address

  3. Confirm that the SDN connector resolves dynamic firewall IP addresses:
    1. Go to Policy & Objects > Addresses.
    2. Hover over the address created in step 2 to see a list of IP addresses for instances:

To configure an SDN connector through the CLI:
  1. Configure the OCI SDN connector:

    config system sdn-connector

    edit "oci1"

    set type oci

    set tenant-id "ocid1.tenancy.oc1..aaaaaaaambr3uzztoyhweohbzqqdo775h7d3t54zpmzkp4b2cf35vs55cxxx"

    set user-id "ocid1.user.oc1..aaaaaaaaq2lfspeo3uetzbzpiv2pqvzzevozccnys347stwssvizqlatfxxx"

    set compartment-id "ocid1.compartment.oc1..aaaaaaaaelxxdjazqo7nzczpgypyiqcgkmytjry6nfq5345vw7eavpwnmxxx"

    set oci-region ashburn

    set oci-cert "cert-sha2"

    set update-interval 30

    next

    end

  2. Create dynamic firewall addresses for the configured SDN connector with supported Kubernetes filter:

    config firewall address

    edit "k8s_nodename"

    set type dynamic

    set sdn "oci1"

    set filter "K8S_NodeName=129.213.120.172"

    next

    end

  3. Confirm that the SDN connector resolves dynamic firewall IP addresses:

    config firewall address

    edit "k8s_nodename"

    set uuid 052f1420-3ab8-51e9-0cf8-6db6bc3395c0

    set type dynamic

    set sdn "oci1"

    set filter "K8S_NodeName=129.213.120.172"

    config list

    edit "10.0.32.2"

    next

    edit "10.244.2.2"

    next

    edit "10.244.2.3"

    next

    edit "10.244.2.4"

    next

    edit "10.244.2.5"

    next

    end

    next

    end

Oracle Kubernetes (OKE) SDN connector

OCI SDN connectors support dynamic address groups based on Oracle Kubernetes (OKE) filters.

To filter out the Kubernetes IP addresses, the following address filters have been introduced:

k8s_compartment

Name of compartment that the Kubernetes cluster created in.

k8s_cluster

Name of Kubernetes cluster.

k8s_namespace Namespace of a Kubernetes service or pod.
k8s_servicename Name of a Kubernetes service.
k8s_nodename Name of a Kubernetes node.
k8s_region Region of a Kubernetes node.
k8s_zone Zone of a Kubernetes node.

k8s_podname

name of a Kubernetes pod.

k8s_label.xxx

Name of label of a Kubernetes resource (cluster/service/node/Pod)

To enable an OCI SDN connector to fetch IP addresses from Oracle Kubernetes:
  1. Configure the OCI SDN connector:
    1. Go to Security Fabric > Fabric Connectors.
    2. Click Create New, and select Oracle Cloud Infrastructure (OCI).
    3. Configure as shown substituting the region, tenant and client IDs, and client secret for your deployment. The update interval is in seconds.

      Screenshot of SDN connector configuration for Azure AKS

  2. Create dynamic firewall addresses for the configured SDN connector with supported Kubernetes filter:
    1. Go to Policy & Objects > Addresses.
    2. Click Create New, then select Address.
    3. Configure the addresses.

      Screenshot of Azure Kubernetes setup displaying the creation of dynamic firewall address

  3. Confirm that the SDN connector resolves dynamic firewall IP addresses:
    1. Go to Policy & Objects > Addresses.
    2. Hover over the address created in step 2 to see a list of IP addresses for instances:

To configure an SDN connector through the CLI:
  1. Configure the OCI SDN connector:

    config system sdn-connector

    edit "oci1"

    set type oci

    set tenant-id "ocid1.tenancy.oc1..aaaaaaaambr3uzztoyhweohbzqqdo775h7d3t54zpmzkp4b2cf35vs55cxxx"

    set user-id "ocid1.user.oc1..aaaaaaaaq2lfspeo3uetzbzpiv2pqvzzevozccnys347stwssvizqlatfxxx"

    set compartment-id "ocid1.compartment.oc1..aaaaaaaaelxxdjazqo7nzczpgypyiqcgkmytjry6nfq5345vw7eavpwnmxxx"

    set oci-region ashburn

    set oci-cert "cert-sha2"

    set update-interval 30

    next

    end

  2. Create dynamic firewall addresses for the configured SDN connector with supported Kubernetes filter:

    config firewall address

    edit "k8s_nodename"

    set type dynamic

    set sdn "oci1"

    set filter "K8S_NodeName=129.213.120.172"

    next

    end

  3. Confirm that the SDN connector resolves dynamic firewall IP addresses:

    config firewall address

    edit "k8s_nodename"

    set uuid 052f1420-3ab8-51e9-0cf8-6db6bc3395c0

    set type dynamic

    set sdn "oci1"

    set filter "K8S_NodeName=129.213.120.172"

    config list

    edit "10.0.32.2"

    next

    edit "10.244.2.2"

    next

    edit "10.244.2.3"

    next

    edit "10.244.2.4"

    next

    edit "10.244.2.5"

    next

    end

    next

    end