mirror of https://github.com/kubernetes/kops.git
87 lines
2.5 KiB
Go
87 lines
2.5 KiB
Go
/*
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Copyright 2022 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 scalewaymodel
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import (
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"fmt"
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"os"
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"github.com/scaleway/scaleway-sdk-go/scw"
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"k8s.io/klog/v2"
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"k8s.io/kops/pkg/apis/kops"
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"k8s.io/kops/pkg/dns"
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"k8s.io/kops/upup/pkg/fi"
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"k8s.io/kops/upup/pkg/fi/cloudup/scaleway"
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"k8s.io/kops/upup/pkg/fi/cloudup/scalewaytasks"
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)
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// APILoadBalancerModelBuilder builds a load-balancer for accessing the API
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type APILoadBalancerModelBuilder struct {
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*ScwModelContext
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Lifecycle fi.Lifecycle
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}
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var _ fi.CloudupModelBuilder = &APILoadBalancerModelBuilder{}
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func (b *APILoadBalancerModelBuilder) Build(c *fi.CloudupModelBuilderContext) error {
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// Configuration where a load balancer fronts the API
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if !b.UseLoadBalancerForAPI() {
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return nil
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}
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lbSpec := b.Cluster.Spec.API.LoadBalancer
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if lbSpec == nil {
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// Skipping API LB creation; not requested in Spec
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return nil
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}
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switch lbSpec.Type {
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case kops.LoadBalancerTypePublic:
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klog.V(8).Infof("Using public load-balancer")
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case kops.LoadBalancerTypeInternal:
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return fmt.Errorf("internal load-balancers are not yet supported by Scaleway on kops")
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default:
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return fmt.Errorf("unhandled load-balancer type %q", lbSpec.Type)
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}
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loadBalancerName := "api." + b.ClusterName()
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region, err := scw.ParseRegion(os.Getenv("SCW_DEFAULT_REGION"))
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if err != nil {
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return fmt.Errorf("error building load-balancer task for %q: %w", loadBalancerName, err)
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}
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loadBalancer := &scalewaytasks.LoadBalancer{
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Name: fi.PtrTo(loadBalancerName),
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Region: fi.PtrTo(string(region)),
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Lifecycle: b.Lifecycle,
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Tags: []string{
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scaleway.TagClusterName + "=" + b.ClusterName(),
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scaleway.TagNameRolePrefix + "=" + scaleway.TagRoleMaster,
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},
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}
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c.AddTask(loadBalancer)
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if dns.IsGossipClusterName(b.Cluster.Name) || b.Cluster.UsesPrivateDNS() || b.Cluster.UsesNoneDNS() {
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// Ensure the LB hostname is included in the TLS certificate,
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// if we're not going to use an alias for it
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loadBalancer.ForAPIServer = true
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}
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return nil
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}
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