networking

type IPBlock struct {
	// CIDR is a string representing the IP Block
	// Valid examples are "192.168.1.1/24"
	CIDR string
	// Except is a slice of CIDRs that should not be included within an IP Block
	// Valid examples are "192.168.1.1/24"
	// Except values will be rejected if they are outside the CIDR range
	// +optional
	Except []string
}

type NetworkPolicy struct {
	metav1.TypeMeta
	// +optional
	metav1.ObjectMeta

	// Specification of the desired behavior for this NetworkPolicy.
	// +optional
	Spec NetworkPolicySpec
}

type NetworkPolicyEgressRule struct {
	// List of destination ports for outgoing traffic.
	// Each item in this list is combined using a logical OR. If this field is
	// empty or missing, this rule matches all ports (traffic not restricted by port).
	// If this field is present and contains at least one item, then this rule allows
	// traffic only if the traffic matches at least one port in the list.
	// +optional
	Ports []NetworkPolicyPort

	// List of destinations for outgoing traffic of pods selected for this rule.
	// Items in this list are combined using a logical OR operation. If this field is
	// empty or missing, this rule matches all destinations (traffic not restricted by
	// destination). If this field is present and contains at least one item, this rule
	// allows traffic only if the traffic matches at least one item in the to list.
	// +optional
	To []NetworkPolicyPeer
}

type NetworkPolicyIngressRule struct {
	// List of ports which should be made accessible on the pods selected for this
	// rule. Each item in this list is combined using a logical OR. If this field is
	// empty or missing, this rule matches all ports (traffic not restricted by port).
	// If this field is present and contains at least one item, then this rule allows
	// traffic only if the traffic matches at least one port in the list.
	// +optional
	Ports []NetworkPolicyPort

	// List of sources which should be able to access the pods selected for this rule.
	// Items in this list are combined using a logical OR operation. If this field is
	// empty or missing, this rule matches all sources (traffic not restricted by
	// source). If this field is present and contains at least on item, this rule
	// allows traffic only if the traffic matches at least one item in the from list.
	// +optional
	From []NetworkPolicyPeer
}

type NetworkPolicyList struct {
	metav1.TypeMeta
	// +optional
	metav1.ListMeta

	Items []NetworkPolicy
}

type NetworkPolicyPeer struct {
	// This is a label selector which selects Pods in this namespace. This field
	// follows standard label selector semantics. If present but empty, this selector
	// selects all pods in this namespace.
	// +optional
	PodSelector *metav1.LabelSelector

	// Selects Namespaces using cluster scoped-labels. This matches all pods in all
	// namespaces selected by this label selector. This field follows standard label
	// selector semantics. If present but empty, this selector selects all namespaces.
	// +optional
	NamespaceSelector *metav1.LabelSelector

	// IPBlock defines policy on a particular IPBlock
	// +optional
	IPBlock *IPBlock
}

type NetworkPolicyPort struct {
	// The protocol (TCP or UDP) which traffic must match. If not specified, this
	// field defaults to TCP.
	// +optional
	Protocol *api.Protocol

	// The port on the given protocol. This can either be a numerical or named port on
	// a pod. If this field is not provided, this matches all port names and numbers.
	// +optional
	Port *intstr.IntOrString
}

type NetworkPolicySpec struct {
	// Selects the pods to which this NetworkPolicy object applies. The array of
	// ingress rules is applied to any pods selected by this field. Multiple network
	// policies can select the same set of pods. In this case, the ingress rules for
	// each are combined additively. This field is NOT optional and follows standard
	// label selector semantics. An empty podSelector matches all pods in this
	// namespace.
	PodSelector metav1.LabelSelector

	// List of ingress rules to be applied to the selected pods. Traffic is allowed to
	// a pod if there are no NetworkPolicies selecting the pod
	// (and cluster policy otherwise allows the traffic), OR if the traffic source is
	// the pod's local node, OR if the traffic matches at least one ingress rule
	// across all of the NetworkPolicy objects whose podSelector matches the pod. If
	// this field is empty then this NetworkPolicy does not allow any traffic (and serves
	// solely to ensure that the pods it selects are isolated by default)
	// +optional
	Ingress []NetworkPolicyIngressRule

	// List of egress rules to be applied to the selected pods. Outgoing traffic is
	// allowed if there are no NetworkPolicies selecting the pod (and cluster policy
	// otherwise allows the traffic), OR if the traffic matches at least one egress rule
	// across all of the NetworkPolicy objects whose podSelector matches the pod. If
	// this field is empty then this NetworkPolicy limits all outgoing traffic (and serves
	// solely to ensure that the pods it selects are isolated by default).
	// This field is beta-level in 1.8
	// +optional
	Egress []NetworkPolicyEgressRule

	// List of rule types that the NetworkPolicy relates to.
	// Valid options are Ingress, Egress, or Ingress,Egress.
	// If this field is not specified, it will default based on the existence of Ingress or Egress rules;
	// policies that contain an Egress section are assumed to affect Egress, and all policies
	// (whether or not they contain an Ingress section) are assumed to affect Ingress.
	// If you want to write an egress-only policy, you must explicitly specify policyTypes [ "Egress" ].
	// Likewise, if you want to write a policy that specifies that no egress is allowed,
	// you must specify a policyTypes value that include "Egress" (since such a policy would not include
	// an Egress section and would otherwise default to just [ "Ingress" ]).
	// This field is beta-level in 1.8
	// +optional
	PolicyTypes []PolicyType
}

type PolicyType string