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66 lines
1.5 KiB
Go
66 lines
1.5 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 file
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import (
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"fmt"
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"io/ioutil"
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"os"
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"github.com/rancher/os/config/cloudinit/datasource"
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)
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type LocalFile struct {
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path string
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lastError error
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}
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func NewDatasource(path string) *LocalFile {
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return &LocalFile{path, nil}
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}
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func (f *LocalFile) IsAvailable() bool {
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_, f.lastError = os.Stat(f.path)
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return !os.IsNotExist(f.lastError)
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}
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func (f *LocalFile) Finish() error {
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return nil
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}
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func (f *LocalFile) String() string {
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return fmt.Sprintf("%s: %s (lastError: %v)", f.Type(), f.path, f.lastError)
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}
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func (f *LocalFile) AvailabilityChanges() bool {
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return true
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}
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func (f *LocalFile) ConfigRoot() string {
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return ""
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}
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func (f *LocalFile) FetchMetadata() (datasource.Metadata, error) {
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return datasource.Metadata{}, nil
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}
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func (f *LocalFile) FetchUserdata() ([]byte, error) {
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return ioutil.ReadFile(f.path)
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}
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func (f *LocalFile) Type() string {
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return "local-file"
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}
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