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authorgVisor bot <gvisor-bot@google.com>2020-07-13 23:14:06 +0000
committergVisor bot <gvisor-bot@google.com>2020-07-13 23:14:06 +0000
commit6b23b2e9f13ce94ff0fac824fc588a4f4a8ab5ed (patch)
tree4d4c65ce0354b3166b97d366c90bbcb96e35cdcc /pkg/shim/v1/utils/utils.go
parent8c414ae88acb5a734352ec384f83a9660289fed4 (diff)
parentc81ac8ec3b78f898e75830a93b5ed3085b785fd6 (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.go56
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")
+}