libct: initContainer: rename Id -> ID

Since the next commit is going to touch this structure, our CI
(lint-extra) is about to complain about improperly named field:

>  Warning: var-naming: struct field ContainerId should be ContainerID (revive)

Make it happy.

Brought to use by gopls rename.

Signed-off-by: Kir Kolyshkin <kolyshkin@gmail.com>

libcontainer/container_linux.go

@@ -665,7 +665,7 @@ func (c *linuxContainer) newInitConfig(process *Process) *initConfig {
 		Cwd:              process.Cwd,
 		Capabilities:     process.Capabilities,
 		PassedFilesCount: len(process.ExtraFiles),
-		ContainerId:      c.ID(),
+		ContainerID:      c.ID(),
 		NoNewPrivileges:  c.config.NoNewPrivileges,
 		RootlessEUID:     c.config.RootlessEUID,
 		RootlessCgroups:  c.config.RootlessCgroups,

libcontainer/init_linux.go

@@ -60,7 +60,7 @@ type initConfig struct {
 	Config           *configs.Config       `json:"config"`
 	Networks         []*network            `json:"network"`
 	PassedFilesCount int                   `json:"passed_files_count"`
-	ContainerId      string                `json:"containerid"`
+	ContainerID      string                `json:"containerid"`
 	Rlimits          []configs.Rlimit      `json:"rlimits"`
 	CreateConsole    bool                  `json:"create_console"`
 	ConsoleWidth     uint16                `json:"console_width"`

libcontainer/process_linux.go

@@ -192,7 +192,7 @@ func (p *setnsProcess) start() (retErr error) {
 				Metadata: p.config.Config.Seccomp.ListenerMetadata,
 				State: specs.State{
 					Version:     specs.Version,
-					ID:          p.config.ContainerId,
+					ID:          p.config.ContainerID,
 					Status:      specs.StateRunning,
 					Pid:         p.initProcessPid,
 					Bundle:      bundle,

libcontainer/setns_init_linux.go

@@ -26,7 +26,7 @@ type linuxSetnsInit struct {
 }
 
 func (l *linuxSetnsInit) getSessionRingName() string {
-	return "_ses." + l.config.ContainerId
+	return "_ses." + l.config.ContainerID
 }
 
 func (l *linuxSetnsInit) Init() error {

libcontainer/standard_init_linux.go

@@ -42,7 +42,7 @@ func (l *linuxStandardInit) getSessionRingParams() (string, uint32, uint32) {
 
 	// Create a unique per session container name that we can join in setns;
 	// However, other containers can also join it.
-	return "_ses." + l.config.ContainerId, 0xffffffff, newperms
+	return "_ses." + l.config.ContainerID, 0xffffffff, newperms
 }
 
 func (l *linuxStandardInit) Init() error {