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Add support for selecting external destinations as egress peers
Some FTR things: 1) As an egress peer a user can selector either namespaces, or pods or nodes or externalNetworks. In a given rule more than 1 type of selection is not allowed. 2) An empty externalNetworks selector means it selects all externalNetworkSets in the cluster. 3) externalNetworks can be set only from to.Peer Signed-off-by: Surya Seetharaman <[email protected]>
1 parent d61fdc7 commit 43ef2d3

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‎apis/v1alpha1/shared_types.go‎

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@@ -170,6 +170,19 @@ type AdminNetworkPolicyEgressPeer struct {
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//
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// +optional
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Nodes *metav1.LabelSelector `json:"nodes,omitempty"`
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// ExternalNetworks defines a way to select ExternalNetworkSets
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// that consist of network CIDRs that live outside the cluster as a peer.
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// It is the list of NetworkCIDR (both v4 & v6) that can be used to define
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// external destinations.
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// This field follows standard label selector semantics; if present
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// but empty, it selects all ExternalNetworkSets defined in the cluster.
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//
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// Support: Core
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//
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// +optional
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// +kubebuilder:validation:MinItems=1
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// +kubebuilder:validation:MaxItems=100
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ExternalNetworks []string `json:"externalNetworks,omitempty" validate:"omitempty,dive,cidr"`
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}
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// NamespacedPeer defines a flexible way to select Namespaces in a cluster.

‎apis/v1alpha1/zz_generated.deepcopy.go‎

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‎config/crd/experimental/policy.networking.k8s.io_adminnetworkpolicies.yaml‎

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@@ -164,6 +164,20 @@ spec:
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maxProperties: 1
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minProperties: 1
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properties:
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externalNetworks:
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description: "ExternalNetworks defines a way to select
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ExternalNetworkSets that consist of network CIDRs that
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live outside the cluster as a peer. It is the list of
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NetworkCIDR (both v4 & v6) that can be used to define
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external destinations. This field follows standard label
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selector semantics; if present but empty, it selects
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all ExternalNetworkSets defined in the cluster. \n Support:
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Core"
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items:
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type: string
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maxItems: 100
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minItems: 1
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type: array
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namespaces:
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description: "Namespaces defines a way to select a set
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of Namespaces. \n Support: Core"

‎config/crd/experimental/policy.networking.k8s.io_baselineadminnetworkpolicies.yaml‎

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@@ -156,6 +156,20 @@ spec:
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maxProperties: 1
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minProperties: 1
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properties:
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externalNetworks:
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description: "ExternalNetworks defines a way to select
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ExternalNetworkSets that consist of network CIDRs that
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live outside the cluster as a peer. It is the list of
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NetworkCIDR (both v4 & v6) that can be used to define
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external destinations. This field follows standard label
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selector semantics; if present but empty, it selects
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all ExternalNetworkSets defined in the cluster. \n Support:
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Core"
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items:
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type: string
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maxItems: 100
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minItems: 1
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type: array
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namespaces:
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description: "Namespaces defines a way to select a set
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of Namespaces. \n Support: Core"

‎config/crd/standard/policy.networking.k8s.io_adminnetworkpolicies.yaml‎

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@@ -160,6 +160,20 @@ spec:
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maxProperties: 1
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minProperties: 1
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properties:
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externalNetworks:
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description: "ExternalNetworks defines a way to select
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ExternalNetworkSets that consist of network CIDRs that
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live outside the cluster as a peer. It is the list of
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NetworkCIDR (both v4 & v6) that can be used to define
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external destinations. This field follows standard label
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selector semantics; if present but empty, it selects
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all ExternalNetworkSets defined in the cluster. \n Support:
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Core"
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items:
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type: string
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maxItems: 100
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minItems: 1
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type: array
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namespaces:
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description: "Namespaces defines a way to select a set
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of Namespaces. \n Support: Core"

‎config/crd/standard/policy.networking.k8s.io_baselineadminnetworkpolicies.yaml‎

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@@ -152,6 +152,20 @@ spec:
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maxProperties: 1
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minProperties: 1
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properties:
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externalNetworks:
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description: "ExternalNetworks defines a way to select
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ExternalNetworkSets that consist of network CIDRs that
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live outside the cluster as a peer. It is the list of
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NetworkCIDR (both v4 & v6) that can be used to define
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external destinations. This field follows standard label
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selector semantics; if present but empty, it selects
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all ExternalNetworkSets defined in the cluster. \n Support:
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Core"
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items:
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type: string
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maxItems: 100
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minItems: 1
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type: array
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namespaces:
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description: "Namespaces defines a way to select a set
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of Namespaces. \n Support: Core"

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