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author | gVisor bot <gvisor-bot@google.com> | 2020-07-13 23:14:06 +0000 |
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committer | gVisor bot <gvisor-bot@google.com> | 2020-07-13 23:14:06 +0000 |
commit | 6b23b2e9f13ce94ff0fac824fc588a4f4a8ab5ed (patch) | |
tree | 4d4c65ce0354b3166b97d366c90bbcb96e35cdcc /pkg/shim/v1/utils/utils.go | |
parent | 8c414ae88acb5a734352ec384f83a9660289fed4 (diff) | |
parent | c81ac8ec3b78f898e75830a93b5ed3085b785fd6 (diff) |
Merge release-20200622.1-148-gc81ac8ec3 (automated)
Diffstat (limited to 'pkg/shim/v1/utils/utils.go')
-rw-r--r-- | pkg/shim/v1/utils/utils.go | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/pkg/shim/v1/utils/utils.go b/pkg/shim/v1/utils/utils.go new file mode 100644 index 000000000..07e346654 --- /dev/null +++ b/pkg/shim/v1/utils/utils.go @@ -0,0 +1,56 @@ +// Copyright 2018 The gVisor 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 +// +// https://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 utils + +import ( + "encoding/json" + "io/ioutil" + "os" + "path/filepath" + + specs "github.com/opencontainers/runtime-spec/specs-go" +) + +// ReadSpec reads OCI spec from the bundle directory. +func ReadSpec(bundle string) (*specs.Spec, error) { + f, err := os.Open(filepath.Join(bundle, "config.json")) + if err != nil { + return nil, err + } + b, err := ioutil.ReadAll(f) + if err != nil { + return nil, err + } + var spec specs.Spec + if err := json.Unmarshal(b, &spec); err != nil { + return nil, err + } + return &spec, nil +} + +// IsSandbox checks whether a container is a sandbox container. +func IsSandbox(spec *specs.Spec) bool { + t, ok := spec.Annotations[containerTypeAnnotation] + return !ok || t == containerTypeSandbox +} + +// UserLogPath gets user log path from OCI annotation. +func UserLogPath(spec *specs.Spec) string { + sandboxLogDir := spec.Annotations[sandboxLogDirAnnotation] + if sandboxLogDir == "" { + return "" + } + return filepath.Join(sandboxLogDir, "gvisor.log") +} |