mirror of https://github.com/kubernetes/kops.git
93 lines
2.4 KiB
Go
93 lines
2.4 KiB
Go
/*
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Copyright 2019 The Kubernetes Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package alimodel
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import (
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"k8s.io/kops/pkg/apis/kops"
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"k8s.io/kops/upup/pkg/fi"
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"k8s.io/kops/upup/pkg/fi/cloudup/alitasks"
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)
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const IpProtocolAll = "all"
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// FirewallModelBuilder configures firewall network objects
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type FirewallModelBuilder struct {
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*ALIModelContext
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Lifecycle *fi.Lifecycle
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}
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var _ fi.ModelBuilder = &FirewallModelBuilder{}
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func (b *FirewallModelBuilder) Build(c *fi.ModelBuilderContext) error {
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// Create nodeInstances security group
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var nodeSecurityGroup *alitasks.SecurityGroup
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{
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groupName := b.GetNameForSecurityGroup(kops.InstanceGroupRoleNode)
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nodeSecurityGroup = &alitasks.SecurityGroup{
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Name: s(groupName),
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Lifecycle: b.Lifecycle,
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VPC: b.LinkToVPC(),
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}
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c.AddTask(nodeSecurityGroup)
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}
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// Create masterInstances security group
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var masterSecurityGroup *alitasks.SecurityGroup
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{
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groupName := b.GetNameForSecurityGroup(kops.InstanceGroupRoleMaster)
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masterSecurityGroup = &alitasks.SecurityGroup{
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Name: s(groupName),
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Lifecycle: b.Lifecycle,
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VPC: b.LinkToVPC(),
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}
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c.AddTask(masterSecurityGroup)
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}
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// Allow traffic from masters to nodes
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ipProtocolAll := IpProtocolAll
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{
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nodeSecurityGroupRules := &alitasks.SecurityGroupRule{
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Name: s("node-to-master"),
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Lifecycle: b.Lifecycle,
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IpProtocol: s(ipProtocolAll),
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SecurityGroup: nodeSecurityGroup,
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SourceGroup: masterSecurityGroup,
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PortRange: s("-1/-1"),
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In: fi.Bool(true),
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}
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c.AddTask(nodeSecurityGroupRules)
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}
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// Allow traffic from nodes to masters
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{
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masterSecurityGroupRules := &alitasks.SecurityGroupRule{
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Name: s("node-master"),
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Lifecycle: b.Lifecycle,
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IpProtocol: s(ipProtocolAll),
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SecurityGroup: masterSecurityGroup,
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SourceGroup: nodeSecurityGroup,
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PortRange: s("-1/-1"),
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In: fi.Bool(true),
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}
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c.AddTask(masterSecurityGroupRules)
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}
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return nil
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}
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