Bump github.com/containers/common from 0.15.2 to 0.16.0

Bumps [github.com/containers/common](https://github.com/containers/common) from 0.15.2 to 0.16.0.
- [Release notes](https://github.com/containers/common/releases)
- [Commits](https://github.com/containers/common/compare/v0.15.2...v0.16.0)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>
Signed-off-by: Daniel J Walsh <dwalsh@redhat.com>

vendor/github.com/containers/common/pkg/config/config.go

@@ -165,9 +165,12 @@ type ContainersConfig struct {
 	// ShmSize holds the size of /dev/shm.
 	ShmSize string `toml:"shm_size,omitempty"`
 
-	//TZ sets the timezone inside the container
+	// TZ sets the timezone inside the container
 	TZ string `toml:"tz,omitempty"`
 
+	// Umask is the umask inside the container.
+	Umask string `toml:"umask,omitempty"`
+
 	// UTSNS indicates how to create a UTS namespace for the container
 	UTSNS string `toml:"utsns,omitempty"`
 
@@ -198,7 +201,7 @@ type EngineConfig struct {
 	// The first path pointing to a valid file will be used.
 	ConmonPath []string `toml:"conmon_path,omitempty"`
 
-	//DetachKeys is the sequence of keys used to detach a container.
+	// DetachKeys is the sequence of keys used to detach a container.
 	DetachKeys string `toml:"detach_keys,omitempty"`
 
 	// EnablePortReservation determines whether engine will reserve ports on the
@@ -272,12 +275,20 @@ type EngineConfig struct {
 	// Indicates whether the application should be running in Remote mode
 	Remote bool `toml:"-"`
 
+	// RemoteURI is deprecated, see ActiveService
 	// RemoteURI containers connection information used to connect to remote system.
 	RemoteURI string `toml:"remote_uri,omitempty"`
 
-	// Identity key file for RemoteURI
+	// RemoteIdentity is deprecated, ServiceDestinations
+	// RemoteIdentity key file for RemoteURI
 	RemoteIdentity string `toml:"remote_identity,omitempty"`
 
+	// ActiveService index to Destinations added v2.0.3
+	ActiveService string `toml:"active_service,omitempty"`
+
+	// Destinations mapped by service Names
+	ServiceDestinations map[string]Destination `toml:"service_destinations,omitempty"`
+
 	// RuntimePath is the path to OCI runtime binary for launching containers.
 	// The first path pointing to a valid file will be used This is used only
 	// when there are no OCIRuntime/OCIRuntimes defined.  It is used only to be
@@ -393,6 +404,15 @@ type NetworkConfig struct {
 	NetworkConfigDir string `toml:"network_config_dir,omitempty"`
 }
 
+// Destination represents destination for remote service
+type Destination struct {
+	// URI, required. Example: ssh://root@example.com:22/run/podman/podman.sock
+	URI string `toml:"uri"`
+
+	// Identity file with ssh key, optional
+	Identity string `toml:"identity,omitempty"`
+}
+
 // NewConfig creates a new Config. It starts with an empty config and, if
 // specified, merges the config at `userConfigPath` path.  Depending if we're
 // running as root or rootless, we then merge the system configuration followed
@@ -582,6 +602,10 @@ func (c *ContainersConfig) Validate() error {
 		return err
 	}
 
+	if err := c.validateUmask(); err != nil {
+		return err
+	}
+
 	if c.LogSizeMax >= 0 && c.LogSizeMax < OCIBufSize {
 		return fmt.Errorf("log size max should be negative or >= %d", OCIBufSize)
 	}
@@ -828,9 +852,9 @@ func stringsEq(a, b []string) bool {
 }
 
 var (
-	configOnce sync.Once
-	configErr  error
-	config     *Config
+	configErr   error
+	configMutex sync.Mutex
+	config      *Config
 )
 
 // Default returns the default container config.
@@ -845,9 +869,12 @@ var (
 // The system defaults container config files can be overwritten using the
 // CONTAINERS_CONF environment variable.  This is usually done for testing.
 func Default() (*Config, error) {
-	configOnce.Do(func() {
-		config, configErr = NewConfig("")
-	})
+	configMutex.Lock()
+	defer configMutex.Unlock()
+	if config != nil || configErr != nil {
+		return config, configErr
+	}
+	config, configErr = NewConfig("")
 	return config, configErr
 }
 
@@ -879,8 +906,8 @@ func customConfigFile() (string, error) {
 	return OverrideContainersConfig, nil
 }
 
-//ReadCustomConfig reads the custom config and only generates a config based on it
-//If the custom config file does not exists, function will return an empty config
+// ReadCustomConfig reads the custom config and only generates a config based on it
+// If the custom config file does not exists, function will return an empty config
 func ReadCustomConfig() (*Config, error) {
 	path, err := customConfigFile()
 	if err != nil {
@@ -936,3 +963,36 @@ func (c *Config) Write() error {
 	}
 	return nil
 }
+
+// Reload clean the cached config and reloads the configuration from containers.conf files
+// This function is meant to be used for long-running processes that need to reload potential changes made to
+// the cached containers.conf files.
+func Reload() (*Config, error) {
+	configMutex.Lock()
+	configErr = nil
+	config = nil
+	configMutex.Unlock()
+	return Default()
+}
+
+func (c *Config) ActiveDestination() (string, string, error){
+	if uri, found := os.LookupEnv("CONTAINER_HOST"); found {
+		var ident string
+		if v, found := os.LookupEnv("CONTAINER_SSHKEY"); found {
+			ident = v
+		}
+		return uri, ident, nil
+	}
+
+	switch {
+	case c.Engine.ActiveService != "":
+		d, found := c.Engine.ServiceDestinations[c.Engine.ActiveService]
+		if !found {
+			return "", "", errors.Errorf("%q service destination not found", c.Engine.ActiveService)
+		}
+		return d.URI, d.Identity, nil
+	case c.Engine.RemoteURI != "":
+		return c.Engine.RemoteURI, c.Engine.RemoteIdentity, nil
+	}
+	return "", "", errors.New("no service destination configured")
+}