/
workloadendpoint.go
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/
workloadendpoint.go
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// Copyright (c) 2016 Tigera, Inc. All rights reserved.
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package api
import (
"fmt"
"github.com/projectcalico/libcalico-go/lib/api/unversioned"
"github.com/projectcalico/libcalico-go/lib/net"
)
type WorkloadEndpoint struct {
unversioned.TypeMetadata
Metadata WorkloadEndpointMetadata `json:"metadata,omitempty"`
Spec WorkloadEndpointSpec `json:"spec,omitempty"`
}
// WorkloadEndpointMetadata contains the Metadata for a WorkloadEndpoint resource.
type WorkloadEndpointMetadata struct {
unversioned.ObjectMetadata
// The name of the endpoint. This may be omitted on a create, in which case an endpoint
// ID will be automatically created, and the endpoint ID will be included in the response.
Name string `json:"name,omitempty" validate:"omitempty,name"`
// The name of the workload.
Workload string `json:"workload,omitempty" valid:"omitempty,name"`
// The name of the orchestrator.
Orchestrator string `json:"orchestrator,omitempty" valid:"omitempty,name"`
// The node name identifying the Calico node instance.
Node string `json:"node,omitempty" valid:"omitempty,name"`
// The labels applied to the workload endpoint. It is expected that many endpoints share
// the same labels. For example, they could be used to label all “production” workloads
// with “deployment=prod” so that security policy can be applied to production workloads.
Labels map[string]string `json:"labels,omitempty" validate:"omitempty,labels"`
}
// WorkloadEndpointMetadata contains the specification for a WorkloadEndpoint resource.
type WorkloadEndpointSpec struct {
// IPNetworks is a list of subnets allocated to this endpoint. IP packets will only be
// allowed to leave this interface if they come from an address in one of these subnets.
//
// Currently only /32 for IPv4 and /128 for IPv6 networks are supported.
IPNetworks []net.IPNet `json:"ipNetworks,omitempty" validate:"omitempty"`
// IPNATs is a list of 1:1 NAT mappings to apply to the endpoint. Inbound connections
// to the external IP will be forwarded to the internal IP. Connections initiated from the
// internal IP will not have their source address changed, except when an endpoint attempts
// to connect one of its own external IPs. Each internal IP must be associated with the same
// endpoint via the configured IPNetworks.
IPNATs []IPNAT `json:"ipNATs,omitempty" validate:"omitempty,dive"`
// IPv4Gateway is the gateway IPv4 address for traffic from the workload.
IPv4Gateway *net.IP `json:"ipv4Gateway,omitempty" validate:"omitempty"`
// IPv6Gateway is the gateway IPv6 address for traffic from the workload.
IPv6Gateway *net.IP `json:"ipv6Gateway,omitempty" validate:"omitempty"`
// A list of security Profile resources that apply to this endpoint. Each profile is
// applied in the order that they appear in this list. Profile rules are applied
// after the selector-based security policy.
Profiles []string `json:"profiles,omitempty" validate:"omitempty,dive,name"`
// InterfaceName the name of the Linux interface on the host: for example, tap80.
InterfaceName string `json:"interfaceName,omitempty" validate:"interface"`
// MAC is the MAC address of the endpoint interface.
MAC *net.MAC `json:"mac,omitempty" validate:"omitempty,mac"`
}
// IPNat contains a single NAT mapping for a WorkloadEndpoint resource.
type IPNAT struct {
// The internal IP address which must be associated with the owning endpoint via the
// configured IPNetworks for the endpoint.
InternalIP net.IP `json:"internalIP"`
// The external IP address.
ExternalIP net.IP `json:"externalIP"`
}
// String returns a friendly form of an IPNAT.
func (i IPNAT) String() string {
return fmt.Sprintf("%s<>%s", i.InternalIP, i.ExternalIP)
}
// NewWorkloadEndpoint creates a new (zeroed) WorkloadEndpoint struct with the TypeMetadata
// initialised to the current version.
func NewWorkloadEndpoint() *WorkloadEndpoint {
return &WorkloadEndpoint{
TypeMetadata: unversioned.TypeMetadata{
Kind: "workloadEndpoint",
APIVersion: unversioned.VersionCurrent,
},
}
}
// WorkloadEndpointList contains a list of Host Endpoint resources. List types are returned
// from List() enumerations in the client interface.
type WorkloadEndpointList struct {
unversioned.TypeMetadata
Metadata unversioned.ListMetadata `json:"metadata,omitempty"`
Items []WorkloadEndpoint `json:"items" validate:"dive"`
}
// NewWorkloadEndpointList creates a new (zeroed) NodeList struct with the TypeMetadata
// initialised to the current version.
func NewWorkloadEndpointList() *WorkloadEndpointList {
return &WorkloadEndpointList{
TypeMetadata: unversioned.TypeMetadata{
Kind: "workloadEndpointList",
APIVersion: unversioned.VersionCurrent,
},
}
}