diff options
Diffstat (limited to 'cmd/podman/shared/parse/parse.go')
| -rw-r--r-- | cmd/podman/shared/parse/parse.go | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/cmd/podman/shared/parse/parse.go b/cmd/podman/shared/parse/parse.go index 3a75ff7a8..79449029d 100644 --- a/cmd/podman/shared/parse/parse.go +++ b/cmd/podman/shared/parse/parse.go @@ -79,6 +79,34 @@ func ValidateDomain(val string) (string, error) { return "", fmt.Errorf("%s is not a valid domain", val) } +// GetAllLabels retrieves all labels given a potential label file and a number +// of labels provided from the command line. +func GetAllLabels(labelFile, inputLabels []string) (map[string]string, error) { + labels := make(map[string]string) + for _, file := range labelFile { + // Use of parseEnvFile still seems safe, as it's missing the + // extra parsing logic of parseEnv. + // There's an argument that we SHOULD be doing that parsing for + // all environment variables, even those sourced from files, but + // that would require a substantial rework. + if err := parseEnvFile(labels, file); err != nil { + return nil, err + } + } + for _, label := range inputLabels { + split := strings.SplitN(label, "=", 2) + if split[0] == "" { + return nil, errors.Errorf("invalid label format: %q", label) + } + value := "" + if len(split) > 1 { + value = split[1] + } + labels[split[0]] = value + } + return labels, nil +} + // reads a file of line terminated key=value pairs, and overrides any keys // present in the file with additional pairs specified in the override parameter // for env-file and labels-file flags |