mirror of https://github.com/helm/helm
Merge pull request #2352 from technosophos/ref/getter
ref(getter): flatten the getter package treepull/2370/head
Matt Butcher
8 years ago
committed by
GitHub
commit
e66cdcd1f3
@ -1,71 +0,0 @@
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/*
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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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@ -0,0 +1,21 @@
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/*
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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 getter provides a generalize tool for fetching data by scheme.
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This provides a method by which the plugin system can load arbitrary protocol
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handlers based upon a URL scheme.
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*/
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package getter
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@ -0,0 +1,81 @@
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/*
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Copyright 2017 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 getter
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import (
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"os"
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"testing"
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)
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func TestProvider(t *testing.T) {
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p := Provider{
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[]string{"one", "three"},
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func(h, e, l, m string) (Getter, error) { return nil, nil },
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}
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if !p.Provides("three") {
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t.Error("Expected provider to provide three")
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}
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}
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func TestProviders(t *testing.T) {
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ps := Providers{
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{[]string{"one", "three"}, func(h, e, l, m string) (Getter, error) { return nil, nil }},
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{[]string{"two", "four"}, func(h, e, l, m string) (Getter, error) { return nil, nil }},
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}
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if _, err := ps.ByScheme("one"); err != nil {
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t.Error(err)
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}
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if _, err := ps.ByScheme("four"); err != nil {
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t.Error(err)
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}
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if _, err := ps.ByScheme("five"); err == nil {
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t.Error("Did not expect handler for five")
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}
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}
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func TestAll(t *testing.T) {
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oldhh := os.Getenv("HELM_HOME")
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defer os.Setenv("HELM_HOME", oldhh)
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os.Setenv("HELM_HOME", "")
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env := hh(false)
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all := All(env)
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if len(all) != 3 {
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t.Errorf("expected 3 providers (default plus two plugins), got %d", len(all))
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}
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if _, err := all.ByScheme("test2"); err != nil {
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t.Error(err)
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}
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}
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func TestByScheme(t *testing.T) {
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oldhh := os.Getenv("HELM_HOME")
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defer os.Setenv("HELM_HOME", oldhh)
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os.Setenv("HELM_HOME", "")
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env := hh(false)
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if _, err := ByScheme("test", env); err != nil {
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t.Error(err)
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}
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if _, err := ByScheme("https", env); err != nil {
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t.Error(err)
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}
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}
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@ -0,0 +1,48 @@
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/*
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Copyright 2017 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 getter
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import (
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"net/http"
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"path/filepath"
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"testing"
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)
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func TestHTTPGetter(t *testing.T) {
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g, err := newHTTPGetter("http://example.com", "", "", "")
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if err != nil {
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t.Fatal(err)
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}
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if hg, ok := g.(*httpGetter); !ok {
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t.Fatal("Expected newHTTPGetter to produce an httpGetter")
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} else if hg.client != http.DefaultClient {
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t.Fatal("Expected newHTTPGetter to return a default HTTP client.")
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}
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// Test with SSL:
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cd := "../../testdata"
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join := filepath.Join
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ca, pub, priv := join(cd, "ca.pem"), join(cd, "crt.pem"), join(cd, "key.pem")
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g, err = newHTTPGetter("http://example.com/", pub, priv, ca)
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if err != nil {
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t.Fatal(err)
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}
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if _, ok := g.(*httpGetter); !ok {
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t.Fatal("Expected newHTTPGetter to produce an httpGetter")
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}
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}
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@ -0,0 +1,92 @@
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/*
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Copyright 2017 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 getter
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import (
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"os"
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"path/filepath"
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"strings"
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"testing"
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"k8s.io/helm/pkg/helm/environment"
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"k8s.io/helm/pkg/helm/helmpath"
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)
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func hh(debug bool) environment.EnvSettings {
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apath, err := filepath.Abs("./testdata")
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if err != nil {
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panic(err)
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}
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hp := helmpath.Home(apath)
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return environment.EnvSettings{
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Home: hp,
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PlugDirs: hp.Plugins(),
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Debug: debug,
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}
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}
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func TestCollectPlugins(t *testing.T) {
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// Reset HELM HOME to testdata.
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oldhh := os.Getenv("HELM_HOME")
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defer os.Setenv("HELM_HOME", oldhh)
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os.Setenv("HELM_HOME", "")
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env := hh(false)
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p, err := collectPlugins(env)
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if err != nil {
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t.Fatal(err)
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}
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if len(p) != 2 {
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t.Errorf("Expected 2 plugins, got %d: %v", len(p), p)
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}
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if _, err := p.ByScheme("test2"); err != nil {
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t.Error(err)
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}
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if _, err := p.ByScheme("test"); err != nil {
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t.Error(err)
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}
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if _, err := p.ByScheme("nosuchthing"); err == nil {
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t.Fatal("did not expect protocol handler for nosuchthing")
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}
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}
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func TestPluginGetter(t *testing.T) {
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oldhh := os.Getenv("HELM_HOME")
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defer os.Setenv("HELM_HOME", oldhh)
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os.Setenv("HELM_HOME", "")
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env := hh(false)
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pg := newPluginGetter("echo", env, "test", ".")
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g, err := pg("test://foo/bar", "", "", "")
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if err != nil {
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t.Fatal(err)
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}
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data, err := g.Get("test://foo/bar")
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if err != nil {
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t.Fatal(err)
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}
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expect := "test://foo/bar"
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got := strings.TrimSpace(data.String())
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if got != expect {
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t.Errorf("Expected %q, got %q", expect, got)
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}
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}
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@ -0,0 +1,8 @@
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#!/bin/bash
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echo ENVIRONMENT
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env
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echo ""
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echo ARGUMENTS
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echo $@
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@ -0,0 +1,15 @@
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name: "testgetter"
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version: "0.1.0"
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usage: "Fetch a package from a test:// source"
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description: |-
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Print the environment that the plugin was given, then exit.
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This registers the test:// protocol.
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command: "$HELM_PLUGIN_DIR/get.sh"
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ignoreFlags: true
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downloaders:
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#- command: "$HELM_PLUGIN_DIR/get.sh"
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- command: "echo"
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protocols:
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- "test"
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@ -0,0 +1,8 @@
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#!/bin/bash
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echo ENVIRONMENT
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env
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echo ""
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echo ARGUMENTS
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echo $@
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@ -0,0 +1,10 @@
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name: "testgetter2"
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version: "0.1.0"
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usage: "Fetch a different package from a test2:// source"
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description: "Handle test2 scheme"
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command: "$HELM_PLUGIN_DIR/get.sh"
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ignoreFlags: true
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downloaders:
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- command: "echo"
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protocols:
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- "test2"
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@ -0,0 +1 @@
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repository/local/index.yaml
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File diff suppressed because it is too large
Load Diff
@ -0,0 +1,3 @@
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apiVersion: v1
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entries: {}
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generated: 2017-04-28T12:34:38.900985501-06:00
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@ -0,0 +1,15 @@
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apiVersion: v1
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generated: 2017-04-28T12:34:38.551693035-06:00
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repositories:
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- caFile: ""
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cache: repository/cache/stable-index.yaml
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certFile: ""
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keyFile: ""
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name: stable
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url: https://kubernetes-charts.storage.googleapis.com
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- caFile: ""
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cache: repository/cache/local-index.yaml
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certFile: ""
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keyFile: ""
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name: local
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url: http://127.0.0.1:8879/charts
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