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72 lines
1.9 KiB
72 lines
1.9 KiB
/*
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Copyright 2016 The Kubernetes Authors All rights reserved.
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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 defaultgetters
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import (
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"os"
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"k8s.io/helm/pkg/getter"
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"k8s.io/helm/pkg/getter/http"
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"k8s.io/helm/pkg/getter/plugin"
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"k8s.io/helm/pkg/helm/environment"
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"k8s.io/helm/pkg/helm/helmpath"
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"k8s.io/helm/pkg/plugin"
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)
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// Get gathers the getter constructors for the downloaders.
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// Currently the build-in http getter and the discovered
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// plugins with downloader notations are collected.
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func Get(settings environment.EnvSettings) []getter.Prop {
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result := []getter.Prop{
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{
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Schemes: getter.Schemes{"http", "https"},
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Constructor: httpgetter.New,
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},
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}
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pluginDownloaders, _ := collectPlugins(settings)
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result = append(result, pluginDownloaders...)
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return result
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}
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func collectPlugins(settings environment.EnvSettings) ([]getter.Prop, error) {
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plugdirs := os.Getenv(environment.PluginEnvVar)
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if plugdirs == "" {
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home := helmpath.Home(os.Getenv(environment.HomeEnvVar))
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plugdirs = home.Plugins()
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}
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plugins, err := plugin.FindPlugins(plugdirs)
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if err != nil {
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return nil, err
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}
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var result []getter.Prop
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for _, plugin := range plugins {
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for _, downloader := range plugin.Metadata.Downloaders {
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result = append(result, getter.Prop{
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Schemes: downloader.Protocols,
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Constructor: plugingetter.ConstructNew(
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downloader.Command,
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settings,
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plugin.Metadata.Name,
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plugin.Dir,
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),
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})
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}
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}
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return result, nil
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}
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