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Auto-detect Helm repos + support Helm basic auth + fix bugs (argoproj…
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,87 @@ | ||
| package repo | ||
|
|
||
| import ( | ||
| "encoding/base64" | ||
| "errors" | ||
| "fmt" | ||
| "net/http" | ||
| "time" | ||
|
|
||
| "github.com/patrickmn/go-cache" | ||
| log "github.com/sirupsen/logrus" | ||
| "gopkg.in/yaml.v2" | ||
| ) | ||
|
|
||
| var indexCache = cache.New(5*time.Minute, 5*time.Minute) | ||
|
|
||
| type entry struct { | ||
| Version string | ||
| Created time.Time | ||
| } | ||
|
|
||
| type index struct { | ||
| Entries map[string][]entry | ||
| } | ||
|
|
||
| func Index(url, username, password string) (*index, error) { | ||
|
|
||
| cachedIndex, found := indexCache.Get(url) | ||
| if found { | ||
| log.WithFields(log.Fields{"url": url}).Debug("index cache hit") | ||
| i := cachedIndex.(index) | ||
| return &i, nil | ||
| } | ||
|
|
||
| start := time.Now() | ||
|
|
||
| req, err := http.NewRequest("GET", url+"/index.yaml", nil) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
| if username != "" { | ||
| // only basic supported | ||
| token := base64.StdEncoding.EncodeToString([]byte(fmt.Sprintf("%s:%s", username, password))) | ||
| req.Header.Add("Authorization", fmt.Sprintf("Basic %s", token)) | ||
| } | ||
| resp, err := http.DefaultClient.Do(req) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
| defer func() { _ = resp.Body.Close() }() | ||
|
|
||
| if resp.StatusCode != 200 { | ||
| return nil, errors.New("failed to get index: " + resp.Status) | ||
| } | ||
|
|
||
| index := &index{} | ||
| err = yaml.NewDecoder(resp.Body).Decode(index) | ||
|
|
||
| log.WithFields(log.Fields{"seconds": time.Since(start).Seconds()}).Info("took to get index") | ||
|
|
||
| indexCache.Set(url, *index, cache.DefaultExpiration) | ||
|
|
||
| return index, err | ||
| } | ||
|
|
||
| func (i *index) contains(chart string) bool { | ||
| _, ok := i.Entries[chart] | ||
| return ok | ||
| } | ||
|
|
||
| func (i *index) entry(chart, version string) (*entry, error) { | ||
| for _, entry := range i.Entries[chart] { | ||
| if entry.Version == version { | ||
| return &entry, nil | ||
| } | ||
| } | ||
| return nil, fmt.Errorf("unknown chart \"%s/%s\"", chart, version) | ||
| } | ||
|
|
||
| func (i *index) latest(chart string) (string, error) { | ||
| for chartName := range i.Entries { | ||
| if chartName == chart { | ||
| return i.Entries[chartName][0].Version, nil | ||
| } | ||
| } | ||
| return "", fmt.Errorf("failed to find chart %s", chart) | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,24 @@ | ||
| package repo | ||
|
|
||
| import ( | ||
| "testing" | ||
|
|
||
| "github.com/stretchr/testify/assert" | ||
| ) | ||
|
|
||
| func TestIndex(t *testing.T) { | ||
| t.Run("Invalid", func(t *testing.T) { | ||
| _, err := Index("", "", "") | ||
| assert.Error(t, err) | ||
| }) | ||
| t.Run("Stable", func(t *testing.T) { | ||
| index, err := Index("https://kubernetes-charts.storage.googleapis.com", "", "") | ||
| assert.NoError(t, err) | ||
| assert.NotNil(t, index) | ||
| }) | ||
| t.Run("BasicAuth", func(t *testing.T) { | ||
| index, err := Index("https://kubernetes-charts.storage.googleapis.com", "my-username", "my-password") | ||
| assert.NoError(t, err) | ||
| assert.NotNil(t, index) | ||
| }) | ||
| } |
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