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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 model
import (
"fmt"
"regexp"
"reflect"
log "github.com/Sirupsen/logrus"
"github.com/projectcalico/libcalico-go/lib/errors"
"github.com/projectcalico/libcalico-go/lib/net"
)
var (
matchWorkloadEndpoint = regexp.MustCompile("^/?calico/v1/host/([^/]+)/workload/([^/]+)/([^/]+)/endpoint/([^/]+)$")
)
type WorkloadEndpointKey struct {
Hostname string `json:"-"`
OrchestratorID string `json:"-"`
WorkloadID string `json:"-"`
EndpointID string `json:"-"`
}
func (key WorkloadEndpointKey) defaultPath() (string, error) {
if key.Hostname == "" {
return "", errors.ErrorInsufficientIdentifiers{Name: "node"}
}
if key.OrchestratorID == "" {
return "", errors.ErrorInsufficientIdentifiers{Name: "orchestrator"}
}
if key.WorkloadID == "" {
return "", errors.ErrorInsufficientIdentifiers{Name: "workload"}
}
if key.EndpointID == "" {
return "", errors.ErrorInsufficientIdentifiers{Name: "name"}
}
return fmt.Sprintf("/calico/v1/host/%s/workload/%s/%s/endpoint/%s",
key.Hostname, key.OrchestratorID, key.WorkloadID, key.EndpointID), nil
}
func (key WorkloadEndpointKey) defaultDeletePath() (string, error) {
return key.defaultPath()
}
func (key WorkloadEndpointKey) defaultDeleteParentPaths() ([]string, error) {
if key.Hostname == "" {
return nil, errors.ErrorInsufficientIdentifiers{Name: "node"}
}
if key.OrchestratorID == "" {
return nil, errors.ErrorInsufficientIdentifiers{Name: "orchestrator"}
}
if key.WorkloadID == "" {
return nil, errors.ErrorInsufficientIdentifiers{Name: "workload"}
}
workload := fmt.Sprintf("/calico/v1/host/%s/workload/%s/%s",
key.Hostname, key.OrchestratorID, key.WorkloadID)
endpoints := workload + "/endpoint"
return []string{endpoints, workload}, nil
}
func (key WorkloadEndpointKey) valueType() reflect.Type {
return reflect.TypeOf(WorkloadEndpoint{})
}
func (key WorkloadEndpointKey) String() string {
return fmt.Sprintf("WorkloadEndpoint(node=%s, orchestrator=%s, workload=%s, name=%s)",
key.Hostname, key.OrchestratorID, key.WorkloadID, key.EndpointID)
}
type WorkloadEndpointListOptions struct {
Hostname string
OrchestratorID string
WorkloadID string
EndpointID string
}
func (options WorkloadEndpointListOptions) defaultPathRoot() string {
k := "/calico/v1/host"
if options.Hostname == "" {
return k
}
k = k + fmt.Sprintf("/%s/workload", options.Hostname)
if options.OrchestratorID == "" {
return k
}
k = k + fmt.Sprintf("/%s", options.OrchestratorID)
if options.WorkloadID == "" {
return k
}
k = k + fmt.Sprintf("/%s/endpoint", options.WorkloadID)
if options.EndpointID == "" {
return k
}
k = k + fmt.Sprintf("/%s", options.EndpointID)
return k
}
func (options WorkloadEndpointListOptions) KeyFromDefaultPath(path string) Key {
log.Infof("Get WorkloadEndpoint key from %s", path)
r := matchWorkloadEndpoint.FindAllStringSubmatch(path, -1)
if len(r) != 1 {
log.Infof("Didn't match regex")
return nil
}
hostname := r[0][1]
orch := r[0][2]
workload := r[0][3]
endpointID := r[0][4]
if options.Hostname != "" && hostname != options.Hostname {
log.Infof("Didn't match hostname %s != %s", options.Hostname, hostname)
return nil
}
if options.OrchestratorID != "" && orch != options.OrchestratorID {
log.Infof("Didn't match orchestrator %s != %s", options.OrchestratorID, orch)
return nil
}
if options.WorkloadID != "" && workload != options.WorkloadID {
log.Infof("Didn't match workload %s != %s", options.WorkloadID, workload)
return nil
}
if options.EndpointID != "" && endpointID != options.EndpointID {
log.Infof("Didn't match endpoint ID %s != %s", options.EndpointID, endpointID)
return nil
}
return WorkloadEndpointKey{
Hostname: hostname,
OrchestratorID: orch,
WorkloadID: workload,
EndpointID: endpointID,
}
}
type WorkloadEndpoint struct {
// TODO: Validation for workload endpoint.
State string `json:"state"`
Name string `json:"name"`
Mac *net.MAC `json:"mac"`
ProfileIDs []string `json:"profile_ids"`
IPv4Nets []net.IPNet `json:"ipv4_nets"`
IPv6Nets []net.IPNet `json:"ipv6_nets"`
IPv4NAT []IPNAT `json:"ipv4_nat,omitempty"`
IPv6NAT []IPNAT `json:"ipv6_nat,omitempty"`
Labels map[string]string `json:"labels,omitempty"`
IPv4Gateway *net.IP `json:"ipv4_gateway,omitempty" validate:"omitempty,ipv4"`
IPv6Gateway *net.IP `json:"ipv6_gateway,omitempty" validate:"omitempty,ipv6"`
}
// 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.
IntIP net.IP `json:"int_ip" validate:"ip"`
// The external IP address.
ExtIP net.IP `json:"ext_ip" validate:"ip"`
}