Ta-Ching ChenandSoam Vasani
5f14b9b0ae
Switch Fission's storage over to the new CustomResourceDefinitions, from the deprecated ThirdPartyResources. This allows us to be compatible with Kubernets 1.8 and onwards. This also adds a CLI tool for dumping state from an old fission version and restoring state into new CRDs. The storage service is unaffected by this change.
92 lines
2.3 KiB
Go
92 lines
2.3 KiB
Go
/*
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Copyright 2017 The Fission 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 buildermgr
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import (
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"log"
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"time"
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metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
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"k8s.io/apimachinery/pkg/watch"
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"k8s.io/client-go/kubernetes"
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"github.com/fission/fission"
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"github.com/fission/fission/crd"
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)
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type (
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packageWatcher struct {
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fissionClient *crd.FissionClient
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kubernetesClient *kubernetes.Clientset
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builderNamespace string
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storageSvcUrl string
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}
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)
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func makePackageWatcher(fissionClient *crd.FissionClient,
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kubernetesClient *kubernetes.Clientset, builderNamespace string, storageSvcUrl string) *packageWatcher {
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pkgw := &packageWatcher{
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fissionClient: fissionClient,
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kubernetesClient: kubernetesClient,
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builderNamespace: builderNamespace,
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storageSvcUrl: storageSvcUrl,
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}
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return pkgw
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}
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func (pkgw *packageWatcher) build(pkgMetadata metav1.ObjectMeta) {
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buildReq := BuildRequest{
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Package: pkgMetadata,
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}
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_, err := buildPackage(pkgw.fissionClient,
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pkgw.kubernetesClient, pkgw.builderNamespace, pkgw.storageSvcUrl, buildReq)
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if err != nil {
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log.Printf("Error building package %v: %v", buildReq.Package.Name, err)
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}
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}
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func (pkgw *packageWatcher) watchPackages() {
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rv := ""
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for {
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wi, err := pkgw.fissionClient.Packages(metav1.NamespaceDefault).Watch(metav1.ListOptions{
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ResourceVersion: rv,
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})
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if err != nil {
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log.Fatalf("Error watching package CRD resources: %v", err)
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}
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for {
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ev, more := <-wi.ResultChan()
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if !more {
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break
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}
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if ev.Type == watch.Error {
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rv = ""
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time.Sleep(time.Second)
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break
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}
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pkg := ev.Object.(*crd.Package)
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rv = pkg.Metadata.ResourceVersion
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// only do build for packages in pending state
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if pkg.Status.BuildStatus == fission.BuildStatusPending {
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go pkgw.build(pkg.Metadata)
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}
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}
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}
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}
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