mirror of https://github.com/kubernetes/kops.git
66 lines
1.8 KiB
Go
66 lines
1.8 KiB
Go
/*
|
|
Copyright 2020 The Kubernetes Authors.
|
|
|
|
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.
|
|
*/
|
|
|
|
package clusteraddons
|
|
|
|
import (
|
|
"fmt"
|
|
"net/url"
|
|
|
|
"k8s.io/klog/v2"
|
|
"k8s.io/kops/pkg/kubemanifest"
|
|
"k8s.io/kops/util/pkg/vfs"
|
|
)
|
|
|
|
type ClusterAddon struct {
|
|
Raw string
|
|
Objects kubemanifest.ObjectList
|
|
}
|
|
|
|
// LoadClusterAddon loads a set of objects from the specified VFS location
|
|
func LoadClusterAddon(location string) (*ClusterAddon, error) {
|
|
u, err := url.Parse(location)
|
|
if err != nil {
|
|
return nil, fmt.Errorf("invalid addon location: %q", location)
|
|
}
|
|
|
|
// TODO: Should we support relative paths for "standard" addons? See equivalent code in LoadChannel
|
|
|
|
resolved := u.String()
|
|
klog.V(2).Infof("Loading addon from %q", resolved)
|
|
addonBytes, err := vfs.Context.ReadFile(resolved)
|
|
if err != nil {
|
|
return nil, fmt.Errorf("error reading addon %q: %v", resolved, err)
|
|
}
|
|
addon, err := ParseClusterAddon(addonBytes)
|
|
if err != nil {
|
|
return nil, fmt.Errorf("error parsing addon %q: %v", resolved, err)
|
|
}
|
|
klog.V(4).Infof("Addon contents: %s", string(addonBytes))
|
|
|
|
return addon, nil
|
|
}
|
|
|
|
// ParseClusterAddon parses a ClusterAddon object
|
|
func ParseClusterAddon(raw []byte) (*ClusterAddon, error) {
|
|
objects, err := kubemanifest.LoadObjectsFrom(raw)
|
|
if err != nil {
|
|
return nil, fmt.Errorf("error parsing addon %v", err)
|
|
}
|
|
|
|
return &ClusterAddon{Raw: string(raw), Objects: objects}, nil
|
|
}
|