diff options
Diffstat (limited to 'libpod')
| -rw-r--r-- | libpod/oci_linux.go | 6 | ||||
| -rw-r--r-- | libpod/runtime.go | 91 |
2 files changed, 79 insertions, 18 deletions
diff --git a/libpod/oci_linux.go b/libpod/oci_linux.go index 9bbefdb06..be7210bd2 100644 --- a/libpod/oci_linux.go +++ b/libpod/oci_linux.go @@ -294,7 +294,11 @@ func (r *OCIRuntime) createOCIContainer(ctr *Container, cgroupParent string, res cmd.Env = append(cmd.Env, fmt.Sprintf("XDG_RUNTIME_DIR=%s", runtimeDir)) cmd.Env = append(cmd.Env, fmt.Sprintf("_CONTAINERS_USERNS_CONFIGURED=%s", os.Getenv("_CONTAINERS_USERNS_CONFIGURED"))) cmd.Env = append(cmd.Env, fmt.Sprintf("_CONTAINERS_ROOTLESS_UID=%s", os.Getenv("_CONTAINERS_ROOTLESS_UID"))) - cmd.Env = append(cmd.Env, fmt.Sprintf("HOME=%s", os.Getenv("HOME"))) + home, err := homeDir() + if err != nil { + return err + } + cmd.Env = append(cmd.Env, fmt.Sprintf("HOME=%s", home)) if r.reservePorts && !ctr.config.NetMode.IsSlirp4netns() { ports, err := bindPorts(ctr.config.PortMappings) diff --git a/libpod/runtime.go b/libpod/runtime.go index 2c50fce85..82e7338aa 100644 --- a/libpod/runtime.go +++ b/libpod/runtime.go @@ -5,6 +5,7 @@ import ( "fmt" "io/ioutil" "os" + "os/user" "path/filepath" "sync" "syscall" @@ -379,6 +380,68 @@ func NewRuntimeFromConfig(ctx context.Context, userConfigPath string, options .. return newRuntimeFromConfig(ctx, userConfigPath, options...) } +func homeDir() (string, error) { + home := os.Getenv("HOME") + if home == "" { + usr, err := user.Current() + if err != nil { + return "", errors.Wrapf(err, "unable to resolve HOME directory") + } + home = usr.HomeDir + } + return home, nil +} + +func getRootlessConfigPath() (string, error) { + home, err := homeDir() + if err != nil { + return "", err + } + + return filepath.Join(home, ".config/containers/libpod.conf"), nil +} + +func getConfigPath() string { + if rootless.IsRootless() { + rootlessConfigPath, err := getRootlessConfigPath() + if err != nil { + if _, err := os.Stat(rootlessConfigPath); err == nil { + return rootlessConfigPath + } + } + } + if _, err := os.Stat(OverrideConfigPath); err == nil { + // Use the override configuration path + return OverrideConfigPath + } + if _, err := os.Stat(ConfigPath); err == nil { + return ConfigPath + } + return "" +} + +// DefaultRuntimeConfig reads default config path and returns the RuntimeConfig +func DefaultRuntimeConfig() (*RuntimeConfig, error) { + configPath := getConfigPath() + + contents, err := ioutil.ReadFile(configPath) + if err != nil { + return nil, errors.Wrapf(err, "error reading configuration file %s", configPath) + } + + // This is ugly, but we need to decode twice. + // Once to check if libpod static and tmp dirs were explicitly + // set (not enough to check if they're not the default value, + // might have been explicitly configured to the default). + // A second time to actually get a usable config. + tmpConfig := new(RuntimeConfig) + if _, err := toml.Decode(string(contents), tmpConfig); err != nil { + return nil, errors.Wrapf(err, "error decoding configuration file %s", + configPath) + } + return tmpConfig, nil +} + func newRuntimeFromConfig(ctx context.Context, userConfigPath string, options ...RuntimeOption) (runtime *Runtime, err error) { runtime = new(Runtime) runtime.config = new(RuntimeConfig) @@ -407,11 +470,13 @@ func newRuntimeFromConfig(ctx context.Context, userConfigPath string, options .. runtime.config.StaticDir = filepath.Join(storageConf.GraphRoot, "libpod") runtime.config.VolumePath = filepath.Join(storageConf.GraphRoot, "volumes") - configPath := ConfigPath - foundConfig := true + configPath := getConfigPath() rootlessConfigPath := "" if rootless.IsRootless() { - home := os.Getenv("HOME") + home, err := homeDir() + if err != nil { + return nil, err + } if runtime.config.SignaturePolicyPath == "" { newPath := filepath.Join(home, ".config/containers/policy.json") if _, err := os.Stat(newPath); err == nil { @@ -419,7 +484,10 @@ func newRuntimeFromConfig(ctx context.Context, userConfigPath string, options .. } } - rootlessConfigPath = filepath.Join(home, ".config/containers/libpod.conf") + rootlessConfigPath, err = getRootlessConfigPath() + if err != nil { + return nil, err + } runtimeDir, err := util.GetRootlessRuntimeDir() if err != nil { @@ -441,21 +509,10 @@ func newRuntimeFromConfig(ctx context.Context, userConfigPath string, options .. // when it doesn't exist return nil, errors.Wrapf(err, "cannot stat %s", configPath) } - } else if rootless.IsRootless() { - configPath = rootlessConfigPath - if _, err := os.Stat(configPath); err != nil { - foundConfig = false - } - } else if _, err := os.Stat(OverrideConfigPath); err == nil { - // Use the override configuration path - configPath = OverrideConfigPath - } else if _, err := os.Stat(ConfigPath); err != nil { - // Both stat checks failed, no config found - foundConfig = false } // If we have a valid configuration file, load it in - if foundConfig { + if configPath != "" { contents, err := ioutil.ReadFile(configPath) if err != nil { return nil, errors.Wrapf(err, "error reading configuration file %s", configPath) @@ -564,7 +621,7 @@ func newRuntimeFromConfig(ctx context.Context, userConfigPath string, options .. } } - if !foundConfig { + if configPath != "" { os.MkdirAll(filepath.Dir(rootlessConfigPath), 0755) file, err := os.OpenFile(rootlessConfigPath, os.O_RDWR|os.O_CREATE|os.O_EXCL, 0666) if err != nil && !os.IsExist(err) { |