mirror of https://github.com/kubernetes/kops.git
104 lines
2.7 KiB
Go
104 lines
2.7 KiB
Go
/*
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Copyright 2020 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 wellknownoperators
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import (
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"fmt"
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"net/url"
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"path"
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channelsapi "k8s.io/kops/channels/pkg/api"
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"k8s.io/kops/pkg/apis/kops"
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"k8s.io/kops/pkg/featureflag"
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"k8s.io/kops/pkg/kubemanifest"
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"k8s.io/kops/upup/pkg/fi"
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"k8s.io/kops/util/pkg/vfs"
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)
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type WellKnownAddon struct {
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Manifest []byte
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Spec channelsapi.AddonSpec
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}
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type Builder struct {
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Cluster *kops.Cluster
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}
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func (b *Builder) Build() ([]*WellKnownAddon, kubemanifest.ObjectList, error) {
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if !featureflag.UseAddonOperators.Enabled() {
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return nil, nil, nil
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}
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var addons []*WellKnownAddon
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var crds kubemanifest.ObjectList
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if b.Cluster.Spec.KubeDNS != nil && b.Cluster.Spec.KubeDNS.Provider == "CoreDNS" {
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// TODO: Check that we haven't manually loaded a CoreDNS operator
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// TODO: Check that we haven't manually created a CoreDNS CRD
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key := "coredns.addons.x-k8s.io"
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version := "0.1.0-kops.1"
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id := ""
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location := path.Join("operators", key, version, "manifest.yaml")
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channelURL, err := kops.ResolveChannel(b.Cluster.Spec.Channel)
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if err != nil {
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return nil, nil, fmt.Errorf("error resolving channel %q: %v", b.Cluster.Spec.Channel, err)
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}
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locationURL := channelURL.ResolveReference(&url.URL{Path: location}).String()
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manifestBytes, err := vfs.Context.ReadFile(locationURL)
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if err != nil {
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return nil, nil, fmt.Errorf("error reading operator manifest %q: %v", locationURL, err)
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}
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addon := &WellKnownAddon{
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Manifest: manifestBytes,
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Spec: channelsapi.AddonSpec{
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Name: fi.String(key),
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Version: fi.String(version),
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Selector: map[string]string{"k8s-addon": key},
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Manifest: fi.String(location),
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Id: id,
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},
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}
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addons = append(addons, addon)
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{
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metadata := map[string]interface{}{
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"namespace": "kube-system",
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"name": "coredns",
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}
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spec := map[string]interface{}{
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"dnsDomain": b.Cluster.Spec.KubeDNS.Domain,
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"dnsIP": b.Cluster.Spec.KubeDNS.ServerIP,
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}
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crd := kubemanifest.NewObject(map[string]interface{}{
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"apiVersion": "addons.x-k8s.io/v1alpha1",
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"kind": "CoreDNS",
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"metadata": metadata,
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"spec": spec,
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})
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crds = append(crds, crd)
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}
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}
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return addons, crds, nil
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}
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