mirror of
https://github.com/clearlinux/rkt.git
synced 2026-08-25 01:06:40 +00:00
Jonathan Boulle
9685f37575
Inspired by a similar change in the Kubernetes project [1], this changes the copyright header to the more generic "The rkt Authors" rather than "CoreOS, Inc.", which is only sometimes correct. https://github.com/GoogleCloudPlatform/kubernetes/commit/6b3a6e6b983f967c88d14d26542ec6e30c49ebd3
52 lines
1.5 KiB
Go
52 lines
1.5 KiB
Go
// Copyright 2015 The rkt Authors
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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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//+build linux
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package stage0
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import (
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"encoding/json"
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"fmt"
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"io/ioutil"
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"github.com/coreos/rkt/Godeps/_workspace/src/github.com/appc/spec/schema"
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"github.com/coreos/rkt/common"
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)
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const (
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enterEntrypoint = "coreos.com/rkt/stage1/enter"
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runEntrypoint = "coreos.com/rkt/stage1/run"
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gcEntrypoint = "coreos.com/rkt/stage1/gc"
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)
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// getStage1Entrypoint retrieves the named entrypoint from the stage1 manifest for a given pod
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func getStage1Entrypoint(cdir string, entrypoint string) (string, error) {
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b, err := ioutil.ReadFile(common.Stage1ManifestPath(cdir))
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if err != nil {
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return "", fmt.Errorf("error reading pod manifest: %v", err)
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}
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s1m := schema.ImageManifest{}
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if err := json.Unmarshal(b, &s1m); err != nil {
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return "", fmt.Errorf("error unmarshaling stage1 manifest: %v", err)
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}
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if ep, ok := s1m.Annotations.Get(entrypoint); ok {
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return ep, nil
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}
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return "", fmt.Errorf("entrypoint %q not found", entrypoint)
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}
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