Split out the Package type into a first class Kubernetes resource. Before this change, packages were implicitly tied to functions. This wasn't ideal because: * Functions will need to share packages * A package storage system may be more generally useful than just functions (for example, for storing static assets) This change does the following: * Updates the fission and tpr types to add a new Package and PackageSpec. It also creates a PackageRef type, and a FunctionPackageRef type. The PackageRef simply references a package, but the FunctionPackageRef includes the name of a function within the package. This allows us to share packages between different functions. * Updates fetcher and other components for first-class packages * Allows customization of fetcher image pull policy in the helm charts
116 lines
2.8 KiB
Go
116 lines
2.8 KiB
Go
/*
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Copyright 2016 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 tpr
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import (
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"k8s.io/client-go/1.5/kubernetes"
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"k8s.io/client-go/1.5/pkg/api/errors"
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"k8s.io/client-go/1.5/pkg/api/v1"
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"k8s.io/client-go/1.5/pkg/apis/extensions/v1beta1"
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)
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// ensureTPR checks if the given TPR type exists, and creates it if
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// needed. (Note that this creates the TPR type; it doesn't create any
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// _instances_ of that type.)
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func ensureTPR(clientset *kubernetes.Clientset, tpr *v1beta1.ThirdPartyResource) error {
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_, err := clientset.Extensions().ThirdPartyResources().Get(tpr.ObjectMeta.Name)
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if err != nil {
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if errors.IsNotFound(err) {
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_, err := clientset.Extensions().ThirdPartyResources().Create(tpr)
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if err != nil {
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return err
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}
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}
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}
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return nil
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}
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func EnsureFissionTPRs(clientset *kubernetes.Clientset) error {
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tprs := []v1beta1.ThirdPartyResource{
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{
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ObjectMeta: v1.ObjectMeta{
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Name: "function.fission.io",
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},
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Versions: []v1beta1.APIVersion{
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{Name: "v1"},
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},
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Description: "Functions",
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},
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{
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ObjectMeta: v1.ObjectMeta{
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Name: "environment.fission.io",
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},
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Versions: []v1beta1.APIVersion{
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{Name: "v1"},
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},
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Description: "Environments (function containers)",
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},
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{
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ObjectMeta: v1.ObjectMeta{
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Name: "httptrigger.fission.io",
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},
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Versions: []v1beta1.APIVersion{
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{Name: "v1"},
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},
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Description: "HTTP triggers for functions",
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},
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{
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ObjectMeta: v1.ObjectMeta{
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Name: "kuberneteswatchtrigger.fission.io",
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},
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Versions: []v1beta1.APIVersion{
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{Name: "v1"},
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},
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Description: "Kubernetes watch triggers for functions",
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},
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{
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ObjectMeta: v1.ObjectMeta{
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Name: "timetrigger.fission.io",
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},
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Versions: []v1beta1.APIVersion{
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{Name: "v1"},
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},
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Description: "Time-based triggers for functions",
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},
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{
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ObjectMeta: v1.ObjectMeta{
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Name: "messagequeuetrigger.fission.io",
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},
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Versions: []v1beta1.APIVersion{
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{Name: "v1"},
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},
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Description: "Message queue triggers for functions",
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},
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{
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ObjectMeta: v1.ObjectMeta{
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Name: "package.fission.io",
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},
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Versions: []v1beta1.APIVersion{
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{Name: "v1"},
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},
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Description: "Packages: archives containing source or binaries for one or more functions",
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},
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}
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for _, tpr := range tprs {
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err := ensureTPR(clientset, &tpr)
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if err != nil {
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return err
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}
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}
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return nil
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}
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