/
securitygrouprule.go
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/
securitygrouprule.go
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/*
Copyright 2017 The Kubernetes Authors.
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 openstacktasks
import (
"fmt"
"github.com/golang/glog"
sgr "github.com/gophercloud/gophercloud/openstack/networking/v2/extensions/security/rules"
"k8s.io/kops/upup/pkg/fi"
"k8s.io/kops/upup/pkg/fi/cloudup/openstack"
)
func Int(v int) *int {
return &v
}
func IntValue(v *int) int {
if v == nil {
return 0
}
return *v
}
type SecurityGroupRule struct {
ID *string
Direction *string
EtherType *string
SecGroup *SecurityGroup
PortRangeMin *int
PortRangeMax *int
Protocol *string
RemoteIPPrefix *string
Lifecycle *fi.Lifecycle
}
var _ fi.CompareWithID = &SecurityGroupRule{}
func (r *SecurityGroupRule) CompareWithID() *string {
return r.ID
}
func (r *SecurityGroupRule) Find(context *fi.Context) (*SecurityGroupRule, error) {
if r.SecGroup == nil || r.SecGroup.ID == nil {
return nil, nil
}
cloud := context.Cloud.(openstack.OpenstackCloud)
opt := sgr.ListOpts{
Direction: fi.StringValue(r.Direction),
EtherType: fi.StringValue(r.EtherType),
PortRangeMax: IntValue(r.PortRangeMax),
PortRangeMin: IntValue(r.PortRangeMin),
Protocol: fi.StringValue(r.Protocol),
RemoteIPPrefix: fi.StringValue(r.RemoteIPPrefix),
SecGroupID: fi.StringValue(r.SecGroup.ID),
}
rs, err := cloud.ListSecurityGroupRules(opt)
if err != nil {
return nil, err
}
n := len(rs)
if n == 0 {
return nil, nil
} else if n != 1 {
return nil, fmt.Errorf("found multiple SecurityGroupRules")
}
rule := rs[0]
actual := &SecurityGroupRule{
ID: fi.String(rule.ID),
Direction: fi.String(rule.Direction),
EtherType: fi.String(rule.EtherType),
PortRangeMax: Int(rule.PortRangeMax),
PortRangeMin: Int(rule.PortRangeMin),
Protocol: fi.String(rule.Protocol),
RemoteIPPrefix: fi.String(rule.RemoteIPPrefix),
SecGroup: &SecurityGroup{ID: fi.String(rule.SecGroupID)},
Lifecycle: r.Lifecycle,
}
return actual, nil
}
func (r *SecurityGroupRule) Run(context *fi.Context) error {
return fi.DefaultDeltaRunMethod(r, context)
}
func (_ *SecurityGroupRule) CheckChanges(a, e, changes *SecurityGroupRule) error {
if a == nil {
if e.Direction == nil {
return fi.RequiredField("Direction")
}
if e.EtherType == nil {
return fi.RequiredField("EtherType")
}
if e.SecGroup == nil {
return fi.RequiredField("SecGroup")
}
} else {
if changes.ID != nil {
return fi.CannotChangeField("ID")
}
if changes.Direction != nil {
return fi.CannotChangeField("Direction")
}
if changes.EtherType != nil {
return fi.CannotChangeField("EtherType")
}
if changes.SecGroup != nil {
return fi.CannotChangeField("SecGroup")
}
}
return nil
}
func (_ *SecurityGroupRule) RenderOpenstack(t *openstack.OpenstackAPITarget, a, e, changes *SecurityGroupRule) error {
if a == nil {
glog.V(2).Infof("Creating SecurityGroupRule")
opt := sgr.CreateOpts{
Direction: sgr.RuleDirection(fi.StringValue(e.Direction)),
EtherType: sgr.RuleEtherType(fi.StringValue(e.EtherType)),
SecGroupID: fi.StringValue(e.SecGroup.ID),
PortRangeMax: IntValue(e.PortRangeMax),
PortRangeMin: IntValue(e.PortRangeMin),
Protocol: sgr.RuleProtocol(fi.StringValue(e.Protocol)),
RemoteIPPrefix: fi.StringValue(e.RemoteIPPrefix),
}
r, err := t.Cloud.CreateSecurityGroupRule(opt)
if err != nil {
return fmt.Errorf("error creating SecurityGroupRule: %v", err)
}
e.ID = fi.String(r.ID)
return nil
}
glog.V(2).Infof("Openstack task SecurityGroupRule::RenderOpenstack did nothing")
return nil
}
var _ fi.HasLifecycle = &SecurityGroupRule{}
func (r *SecurityGroupRule) GetLifecycle() *fi.Lifecycle {
return r.Lifecycle
}
func (r *SecurityGroupRule) SetLifecycle(lifecycle fi.Lifecycle) {
r.Lifecycle = &lifecycle
}
func (r *SecurityGroupRule) String() string {
return fi.TaskAsString(r)
}