mirror of
https://github.com/rancher/os.git
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79 lines
1.9 KiB
Go
79 lines
1.9 KiB
Go
// Copyright 2015 CoreOS, Inc.
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//
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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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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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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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package url
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import (
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"fmt"
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"github.com/rancher/os/config/cloudinit/datasource"
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"github.com/rancher/os/config/cloudinit/pkg"
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"github.com/rancher/os/pkg/util/network"
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)
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type RemoteFile struct {
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url string
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lastError error
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}
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func NewDatasource(url string) *RemoteFile {
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return &RemoteFile{url, nil}
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}
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func (f *RemoteFile) IsAvailable() bool {
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network.SetProxyEnvironmentVariables()
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client := pkg.NewHTTPClient()
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_, f.lastError = client.GetRetry(f.url)
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return (f.lastError == nil)
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}
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func (f *RemoteFile) Finish() error {
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return nil
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}
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func (f *RemoteFile) String() string {
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return fmt.Sprintf("%s: %s (lastError: %v)", f.Type(), f.url, f.lastError)
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}
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func (f *RemoteFile) AvailabilityChanges() bool {
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return false
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// TODO: we should trigger something to change the network state
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/* if f.lastError != nil {
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// if we have a Network error, then we should retry.
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// otherwise, we've made a request to the server, and its said nope.
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if _, ok := f.lastError.(pkg.ErrNetwork); !ok {
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return false
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}
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}
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return true
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*/
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}
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func (f *RemoteFile) ConfigRoot() string {
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return ""
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}
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func (f *RemoteFile) FetchMetadata() (datasource.Metadata, error) {
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return datasource.Metadata{}, nil
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}
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func (f *RemoteFile) FetchUserdata() ([]byte, error) {
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client := pkg.NewHTTPClient()
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return client.GetRetry(f.url)
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}
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func (f *RemoteFile) Type() string {
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return "url"
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}
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