Added seed code for caas-helm.

[ta/caas-helm.git] / src / chart-repo-handler / pkg / chartutil / load.go

diff --git a/src/chart-repo-handler/pkg/chartutil/load.go b/src/chart-repo-handler/pkg/chartutil/load.go
new file mode 100644 (file)
index 0000000..fba4b64
--- /dev/null
+++ b/src/chart-repo-handler/pkg/chartutil/load.go
@@ -0,0 +1,71 @@
+// Copyright 2019 Nokia
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+// tonyaw: refer to "kubernetes/helm/pkg/chartutil/load.go"
+package chartutil
+
+import (
+       "k8s.io/helm/pkg/proto/hapi/chart"
+
+       // tonyaw:
+       helm_chartutil "k8s.io/helm/pkg/chartutil"
+       "github.com/ncw/swift"
+)
+
+// Load takes a string name, tries to resolve it to a file or directory, and then loads it.
+//
+// This is the preferred way to load a chart. It will discover the chart encoding
+// and hand off to the appropriate chart reader.
+//
+// If a .helmignore file is present, the directory loader will skip loading any files
+// matching it. But .helmignore is not evaluated when reading out of an archive.
+func Load(c *swift.Connection, container, name string) (*chart.Chart, error) {
+       // tonyaw.TBD: ignore dir case for now.
+       // fi, err := os.Stat(name)
+       // if err != nil {
+       //      return nil, err
+       // }
+       // if fi.IsDir() {
+       //      return LoadDir(name)
+       // }
+       return LoadFile(c, container, name)
+}
+
+
+// LoadFile loads from an archive file.
+func LoadFile(c *swift.Connection, container, name string) (*chart.Chart, error) {
+       // tonyaw.TBD: ignore dir case for now.
+       // if fi, err := os.Stat(name); err != nil {
+       //      return nil, err
+       // } else if fi.IsDir() {
+       //      return nil, errors.New("cannot load a directory")
+       // }
+
+       object, _, err := c.ObjectOpen(container, name, false, nil)
+       if err != nil {
+               return nil, err
+       }
+       defer object.Close()
+
+       return helm_chartutil.LoadArchive(object)
+}
+
+
+// LoadDir loads from a directory.
+//
+// This loads charts only from directories.
+// tonyaw.TBD: do we still need "LoadDir" for swift?
+func LoadDir(dir string) (*chart.Chart, error) {
+       return nil, nil
+}