mirror of https://github.com/helm/helm
Martin Hickey
7 years ago
parent
5c4af6f275
commit
4356999b5f
@ -0,0 +1,232 @@
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/*
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Copyright The Helm 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 main
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import (
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"bytes"
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"fmt"
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"io/ioutil"
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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/chart"
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"k8s.io/helm/pkg/chartutil"
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"k8s.io/helm/pkg/provenance"
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"k8s.io/helm/pkg/repo"
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"k8s.io/helm/pkg/repo/repotest"
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)
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func TestLibraryUpdateCmd(t *testing.T) {
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defer resetEnv()()
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hh := testHelmHome(t)
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settings.Home = hh
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srv := repotest.NewServer(hh.String())
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defer srv.Stop()
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copied, err := srv.CopyCharts("testdata/testcharts/lib-charts/*.tgz")
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if err != nil {
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t.Fatal(err)
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}
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t.Logf("Copied charts:\n%s", strings.Join(copied, "\n"))
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t.Logf("Listening on directory %s", srv.Root())
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chartname := "libup"
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md := createTestingMetadataLibRef(chartname, srv.URL())
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if _, err := chartutil.Create(md, hh.String()); err != nil {
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t.Fatal(err)
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}
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out, err := executeCommand(nil, fmt.Sprintf("--home='%s' library update '%s'", hh, hh.Path(chartname)))
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if err != nil {
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t.Logf("Output: %s", out)
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t.Fatal(err)
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}
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// This is written directly to stdout, so we have to capture as is.
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if !strings.Contains(out, `update from the "test" chart repository`) {
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t.Errorf("Repo did not get updated\n%s", out)
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}
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// Make sure the actual file got downloaded.
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expect := hh.Path(chartname, "library/common-0.0.5.tgz")
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if _, err := os.Stat(expect); err != nil {
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t.Fatal(err)
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}
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hash, err := provenance.DigestFile(expect)
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if err != nil {
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t.Fatal(err)
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}
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i, err := repo.LoadIndexFile(hh.CacheIndex("test"))
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if err != nil {
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t.Fatal(err)
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}
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reqver := i.Entries["common"][0]
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if h := reqver.Digest; h != hash {
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t.Errorf("Failed hash match: expected %s, got %s", hash, h)
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}
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// Now change the libraries and update. This verifies that on update,
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// old libraries are cleansed and new libraries are added.
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md.Libraries = []*chart.Dependency{
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{Name: "common", Version: "0.0.5", Repository: srv.URL()},
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{Name: "compressedchart", Version: "0.3.0", Repository: srv.URL()},
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}
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dir := hh.Path(chartname, "Chart.yaml")
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if err := chartutil.SaveChartfile(dir, md); err != nil {
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t.Fatal(err)
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}
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out, err = executeCommand(nil, fmt.Sprintf("--home='%s' library update '%s'", hh, hh.Path(chartname)))
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if err != nil {
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t.Logf("Output: %s", out)
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t.Fatal(err)
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}
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// In this second run, we should see compressedchart-0.3.0.tgz, and not
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// the 0.1.0 version.
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expect = hh.Path(chartname, "library/compressedchart-0.3.0.tgz")
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if _, err := os.Stat(expect); err != nil {
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t.Fatalf("Expected %q: %s", expect, err)
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}
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dontExpect := hh.Path(chartname, "library/compressedchart-0.1.0.tgz")
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if _, err := os.Stat(dontExpect); err == nil {
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t.Fatalf("Unexpected %q", dontExpect)
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}
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}
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func TestLibraryUpdateCmd_SkipRefresh(t *testing.T) {
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defer resetEnv()()
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hh := testHelmHome(t)
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settings.Home = hh
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srv := repotest.NewServer(hh.String())
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defer srv.Stop()
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copied, err := srv.CopyCharts("testdata/testcharts/lib-charts/*.tgz")
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if err != nil {
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t.Fatal(err)
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}
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t.Logf("Copied charts:\n%s", strings.Join(copied, "\n"))
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t.Logf("Listening on directory %s", srv.Root())
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chartname := "libup"
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if err := createTestingChartLibRef(hh.String(), chartname, srv.URL()); err != nil {
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t.Fatal(err)
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}
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out, err := executeCommand(nil, fmt.Sprintf("--home='%s' library update --skip-refresh '%s'", hh, hh.Path(chartname)))
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if err == nil {
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t.Fatal("Expected failure to find the repo with skipRefresh")
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}
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// This is written directly to stdout, so we have to capture as is.
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if strings.Contains(out, `update from the "test" chart repository`) {
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t.Errorf("Repo was unexpectedly updated\n%s", out)
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}
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}
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func TestLibraryUpdateCmd_DontDeleteOldChartsOnError(t *testing.T) {
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defer resetEnv()()
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hh := testHelmHome(t)
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settings.Home = hh
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srv := repotest.NewServer(hh.String())
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defer srv.Stop()
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copied, err := srv.CopyCharts("testdata/testcharts/lib-charts/*.tgz")
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if err != nil {
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t.Fatal(err)
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}
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t.Logf("Copied charts:\n%s", strings.Join(copied, "\n"))
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t.Logf("Listening on directory %s", srv.Root())
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chartname := "libupdelete"
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if err := createTestingChartLibRef(hh.String(), chartname, srv.URL()); err != nil {
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t.Fatal(err)
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}
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out := bytes.NewBuffer(nil)
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o := &refUpdateOptions{}
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o.helmhome = hh
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o.chartpath = hh.Path(chartname)
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if err := o.run(out, true); err != nil {
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output := out.String()
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t.Logf("Output: %s", output)
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t.Fatal(err)
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}
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// Chart repo is down
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srv.Stop()
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if err := o.run(out, true); err == nil {
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output := out.String()
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t.Logf("Output: %s", output)
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t.Fatal("Expected error, got nil")
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}
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// Make sure charts dir still has libraries
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files, err := ioutil.ReadDir(filepath.Join(o.chartpath, "library"))
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if err != nil {
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t.Fatal(err)
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}
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libraries := []string{"common-0.0.5.tgz", "compressedchart-0.1.0.tgz"}
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if len(libraries) != len(files) {
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t.Fatalf("Expected %d chart library, got %d", len(libraries), len(files))
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}
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for index, file := range files {
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if libraries[index] != file.Name() {
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t.Fatalf("Chart library %s not matching %s", libraries[index], file.Name())
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}
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}
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// Make sure tmpcharts is deleted
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if _, err := os.Stat(filepath.Join(o.chartpath, "tmpcharts")); !os.IsNotExist(err) {
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t.Fatalf("tmpcharts dir still exists")
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}
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}
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// createTestingMetadataLibRef creates a basic chart that depends on lib chart
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// common-0.0.5
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//
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// The baseURL can be used to point to a particular repository server.
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func createTestingMetadataLibRef(name, baseURL string) *chart.Metadata {
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return &chart.Metadata{
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Name: name,
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Version: "1.2.3",
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Libraries: []*chart.Dependency{
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{Name: "common", Version: "0.0.5", Repository: baseURL},
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{Name: "compressedchart", Version: "0.1.0", Repository: baseURL},
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},
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}
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}
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// createTestingChartLibRef creates a basic chart that depends on
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// lib chart common-0.0.5
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//
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// The baseURL can be used to point to a particular repository server.
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func createTestingChartLibRef(dest, name, baseURL string) error {
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cfile := createTestingMetadataLibRef(name, baseURL)
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_, err := chartutil.Create(cfile, dest)
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return err
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}
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@ -0,0 +1,21 @@
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# Patterns to ignore when building packages.
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# This supports shell glob matching, relative path matching, and
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# negation (prefixed with !). Only one pattern per line.
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.DS_Store
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# Common VCS dirs
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.git/
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.gitignore
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.bzr/
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.bzrignore
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.hg/
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.hgignore
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.svn/
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# Common backup files
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*.swp
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*.bak
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*.tmp
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*~
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# Various IDEs
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.project
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.idea/
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*.tmproj
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@ -0,0 +1,10 @@
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description: A Helm chart for Kubernetes
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name: chart-missing-libs
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version: 0.1.0
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libraries:
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- name: reqsubchart
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version: 0.1.0
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repository: "https://example.com/charts"
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- name: reqsubchart2
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version: 0.2.0
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repository: "https://example.com/charts"
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@ -0,0 +1,21 @@
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# Patterns to ignore when building packages.
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# This supports shell glob matching, relative path matching, and
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# negation (prefixed with !). Only one pattern per line.
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.DS_Store
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# Common VCS dirs
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.git/
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.gitignore
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.bzr/
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.bzrignore
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.hg/
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.hgignore
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.svn/
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# Common backup files
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*.swp
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*.bak
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*.tmp
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*~
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# Various IDEs
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.project
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.idea/
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*.tmproj
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description: A Helm chart for Kubernetes
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name: reqsubchart
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version: 0.1.0
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# Default values for reqsubchart.
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# This is a YAML-formatted file.
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# Declare name/value pairs to be passed into your templates.
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# name: value
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@ -0,0 +1,4 @@
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# Default values for reqtest.
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# This is a YAML-formatted file.
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# Declare name/value pairs to be passed into your templates.
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# name: value
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