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Diffstat (limited to 'pkg/util/utils.go')
-rw-r--r--pkg/util/utils.go32
1 files changed, 26 insertions, 6 deletions
diff --git a/pkg/util/utils.go b/pkg/util/utils.go
index a074f276c..fba34a337 100644
--- a/pkg/util/utils.go
+++ b/pkg/util/utils.go
@@ -12,12 +12,14 @@ import (
"github.com/BurntSushi/toml"
"github.com/containers/image/types"
"github.com/containers/libpod/cmd/podman/cliconfig"
+ "github.com/containers/libpod/pkg/errorhandling"
"github.com/containers/libpod/pkg/namespaces"
"github.com/containers/libpod/pkg/rootless"
"github.com/containers/storage"
"github.com/containers/storage/pkg/idtools"
"github.com/opencontainers/image-spec/specs-go/v1"
"github.com/pkg/errors"
+ "github.com/sirupsen/logrus"
"github.com/spf13/pflag"
"golang.org/x/crypto/ssh/terminal"
)
@@ -99,7 +101,10 @@ func GetImageConfig(changes []string) (v1.ImageConfig, error) {
var st struct{}
exposedPorts[pair[1]] = st
case "ENV":
- env = append(env, pair[1])
+ if len(pair) < 3 {
+ return v1.ImageConfig{}, errors.Errorf("no value given for environment variable %q", pair[1])
+ }
+ env = append(env, strings.Join(pair[1:], "="))
case "ENTRYPOINT":
entrypoint = append(entrypoint, pair[1])
case "CMD":
@@ -269,16 +274,20 @@ func getTomlStorage(storeOptions *storage.StoreOptions) *tomlConfig {
// WriteStorageConfigFile writes the configuration to a file
func WriteStorageConfigFile(storageOpts *storage.StoreOptions, storageConf string) error {
- os.MkdirAll(filepath.Dir(storageConf), 0755)
- file, err := os.OpenFile(storageConf, os.O_RDWR|os.O_CREATE|os.O_EXCL, 0666)
+ if err := os.MkdirAll(filepath.Dir(storageConf), 0755); err != nil {
+ return err
+ }
+ storageFile, err := os.OpenFile(storageConf, os.O_RDWR|os.O_CREATE|os.O_EXCL, 0666)
if err != nil {
return errors.Wrapf(err, "cannot open %s", storageConf)
}
tomlConfiguration := getTomlStorage(storageOpts)
- defer file.Close()
- enc := toml.NewEncoder(file)
+ defer errorhandling.CloseQuiet(storageFile)
+ enc := toml.NewEncoder(storageFile)
if err := enc.Encode(tomlConfiguration); err != nil {
- os.Remove(storageConf)
+ if err := os.Remove(storageConf); err != nil {
+ logrus.Errorf("unable to remove file %s", storageConf)
+ }
return err
}
return nil
@@ -334,3 +343,14 @@ func GetGlobalOpts(c *cliconfig.RunlabelValues) string {
})
return strings.Join(optsCommand, " ")
}
+
+// OpenExclusiveFile opens a file for writing and ensure it doesn't already exist
+func OpenExclusiveFile(path string) (*os.File, error) {
+ baseDir := filepath.Dir(path)
+ if baseDir != "" {
+ if _, err := os.Stat(baseDir); err != nil {
+ return nil, err
+ }
+ }
+ return os.OpenFile(path, os.O_RDWR|os.O_CREATE|os.O_EXCL, 0666)
+}