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libpod: Move mountNotifySocket to container_internal_common.go

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[NO NEW TESTS NEEDED]

Signed-off-by: Doug Rabson <dfr@rabson.org>
This commit is contained in:
Doug Rabson
2022-08-27 14:24:31 +01:00
parent 71e2074e83
commit be5d1261b4
3 changed files with 32 additions and 62 deletions
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32
libpod/container_internal_common.go
View File

@ -644,3 +644,35 @@ func lookupHostUser(name string) (*runcuser.ExecUser, error) {
execUser.Home = u.HomeDir
return &execUser, nil
}
// mountNotifySocket mounts the NOTIFY_SOCKET into the container if it's set
// and if the sdnotify mode is set to container. It also sets c.notifySocket
// to avoid redundantly looking up the env variable.
func (c *Container) mountNotifySocket(g generate.Generator) error {
if c.config.SdNotifySocket == "" {
return nil
}
if c.config.SdNotifyMode != define.SdNotifyModeContainer {
return nil
}
notifyDir := filepath.Join(c.bundlePath(), "notify")
logrus.Debugf("Checking notify %q dir", notifyDir)
if err := os.MkdirAll(notifyDir, 0755); err != nil {
if !os.IsExist(err) {
return fmt.Errorf("unable to create notify %q dir: %w", notifyDir, err)
}
}
if err := label.Relabel(notifyDir, c.MountLabel(), true); err != nil {
return fmt.Errorf("relabel failed %q: %w", notifyDir, err)
}
logrus.Debugf("Add bindmount notify %q dir", notifyDir)
if _, ok := c.state.BindMounts["/run/notify"]; !ok {
c.state.BindMounts["/run/notify"] = notifyDir
}
// Set the container's notify socket to the proxy socket created by conmon
g.AddProcessEnv("NOTIFY_SOCKET", "/run/notify/notify.sock")
return nil
}

30
libpod/container_internal_freebsd.go
View File

@ -187,36 +187,6 @@ func (c *Container) reloadNetwork() error {
return c.save()
}
// mountNotifySocket mounts the NOTIFY_SOCKET into the container if it's set
// and if the sdnotify mode is set to container. It also sets c.notifySocket
// to avoid redundantly looking up the env variable.
func (c *Container) mountNotifySocket(g generate.Generator) error {
if c.config.SdNotifyMode != define.SdNotifyModeContainer {
return nil
}
notifyDir := filepath.Join(c.bundlePath(), "notify")
logrus.Debugf("Checking notify %q dir", notifyDir)
if err := os.MkdirAll(notifyDir, 0755); err != nil {
if !os.IsExist(err) {
return fmt.Errorf("unable to create notify %q dir: %w", notifyDir, err)
}
}
if err := label.Relabel(notifyDir, c.MountLabel(), true); err != nil {
return fmt.Errorf("relabel failed %q: %w", notifyDir, err)
}
logrus.Debugf("Add bindmount notify %q dir", notifyDir)
if _, ok := c.state.BindMounts["/run/notify"]; !ok {
c.state.BindMounts["/run/notify"] = notifyDir
}
// Set the container's notify socket to the proxy socket created by conmon
g.AddProcessEnv("NOTIFY_SOCKET", "/run/notify/notify.sock")
return nil
}
// Add an existing container's network jail
func (c *Container) addNetworkContainer(g *generate.Generator, ctr string) error {
nsCtr, err := c.runtime.state.Container(ctr)

32
libpod/container_internal_linux.go
View File

@ -220,38 +220,6 @@ func (c *Container) reloadNetwork() error {
return c.save()
}
// mountNotifySocket mounts the NOTIFY_SOCKET into the container if it's set
// and if the sdnotify mode is set to container. It also sets c.notifySocket
// to avoid redundantly looking up the env variable.
func (c *Container) mountNotifySocket(g generate.Generator) error {
if c.config.SdNotifySocket == "" {
return nil
}
if c.config.SdNotifyMode != define.SdNotifyModeContainer {
return nil
}
notifyDir := filepath.Join(c.bundlePath(), "notify")
logrus.Debugf("Checking notify %q dir", notifyDir)
if err := os.MkdirAll(notifyDir, 0755); err != nil {
if !os.IsExist(err) {
return fmt.Errorf("unable to create notify %q dir: %w", notifyDir, err)
}
}
if err := label.Relabel(notifyDir, c.MountLabel(), true); err != nil {
return fmt.Errorf("relabel failed %q: %w", notifyDir, err)
}
logrus.Debugf("Add bindmount notify %q dir", notifyDir)
if _, ok := c.state.BindMounts["/run/notify"]; !ok {
c.state.BindMounts["/run/notify"] = notifyDir
}
// Set the container's notify socket to the proxy socket created by conmon
g.AddProcessEnv("NOTIFY_SOCKET", "/run/notify/notify.sock")
return nil
}
// systemd expects to have /run, /run/lock and /tmp on tmpfs
// It also expects to be able to write to /sys/fs/cgroup/systemd and /var/log/journal
func (c *Container) setupSystemd(mounts []spec.Mount, g generate.Generator) error {