summaryrefslogtreecommitdiff
path: root/libpod
diff options
context:
space:
mode:
Diffstat (limited to 'libpod')
-rw-r--r--libpod/container.go4
-rw-r--r--libpod/container_config.go2
-rw-r--r--libpod/container_inspect.go2
-rw-r--r--libpod/container_internal.go5
-rw-r--r--libpod/container_internal_linux.go5
-rw-r--r--libpod/container_validate.go4
-rw-r--r--libpod/define/config.go7
-rw-r--r--libpod/define/container_inspect.go4
-rw-r--r--libpod/define/sdnotify.go20
-rw-r--r--libpod/oci_conmon_linux.go11
-rw-r--r--libpod/options.go24
11 files changed, 54 insertions, 34 deletions
diff --git a/libpod/container.go b/libpod/container.go
index 4e2d93860..6c05b1084 100644
--- a/libpod/container.go
+++ b/libpod/container.go
@@ -124,10 +124,6 @@ type Container struct {
// This is true if a container is restored from a checkpoint.
restoreFromCheckpoint bool
- // Used to query the NOTIFY_SOCKET once along with setting up
- // mounts etc.
- notifySocket string
-
slirp4netnsSubnet *net.IPNet
}
diff --git a/libpod/container_config.go b/libpod/container_config.go
index 544c45a8c..bd9816651 100644
--- a/libpod/container_config.go
+++ b/libpod/container_config.go
@@ -386,6 +386,8 @@ type ContainerMiscConfig struct {
IsService bool `json:"isService"`
// SdNotifyMode tells libpod what to do with a NOTIFY_SOCKET if passed
SdNotifyMode string `json:"sdnotifyMode,omitempty"`
+ // SdNotifySocket stores NOTIFY_SOCKET in use by the container
+ SdNotifySocket string `json:"sdnotifySocket,omitempty"`
// Systemd tells libpod to set up the container in systemd mode, a value of nil denotes false
Systemd *bool `json:"systemd,omitempty"`
// HealthCheckConfig has the health check command and related timings
diff --git a/libpod/container_inspect.go b/libpod/container_inspect.go
index fa2130a28..5e2ab2818 100644
--- a/libpod/container_inspect.go
+++ b/libpod/container_inspect.go
@@ -414,6 +414,8 @@ func (c *Container) generateInspectContainerConfig(spec *spec.Spec) *define.Insp
ctrConfig.Passwd = c.config.Passwd
ctrConfig.ChrootDirs = append(ctrConfig.ChrootDirs, c.config.ChrootDirs...)
+ ctrConfig.SdNotifyMode = c.config.SdNotifyMode
+ ctrConfig.SdNotifySocket = c.config.SdNotifySocket
return ctrConfig
}
diff --git a/libpod/container_internal.go b/libpod/container_internal.go
index bad68991b..7cef067b0 100644
--- a/libpod/container_internal.go
+++ b/libpod/container_internal.go
@@ -31,6 +31,7 @@ import (
"github.com/containers/podman/v4/pkg/lookup"
"github.com/containers/podman/v4/pkg/rootless"
"github.com/containers/podman/v4/pkg/selinux"
+ "github.com/containers/podman/v4/pkg/systemd/notifyproxy"
"github.com/containers/podman/v4/pkg/util"
"github.com/containers/storage"
"github.com/containers/storage/pkg/archive"
@@ -1224,9 +1225,9 @@ func (c *Container) start() error {
payload += "\n"
payload += daemon.SdNotifyReady
}
- if sent, err := daemon.SdNotify(false, payload); err != nil {
+ if err := notifyproxy.SendMessage(c.config.SdNotifySocket, payload); err != nil {
logrus.Errorf("Notifying systemd of Conmon PID: %s", err.Error())
- } else if sent {
+ } else {
logrus.Debugf("Notify sent successfully")
}
}
diff --git a/libpod/container_internal_linux.go b/libpod/container_internal_linux.go
index 64e0af284..3c77cb18c 100644
--- a/libpod/container_internal_linux.go
+++ b/libpod/container_internal_linux.go
@@ -971,12 +971,9 @@ func (c *Container) generateSpec(ctx context.Context) (*spec.Spec, error) {
// 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 {
- notify, ok := os.LookupEnv("NOTIFY_SOCKET")
- if !ok {
+ if c.config.SdNotifySocket == "" {
return nil
}
- c.notifySocket = notify
-
if c.config.SdNotifyMode != define.SdNotifyModeContainer {
return nil
}
diff --git a/libpod/container_validate.go b/libpod/container_validate.go
index e280c60d2..da33f6db7 100644
--- a/libpod/container_validate.go
+++ b/libpod/container_validate.go
@@ -133,5 +133,9 @@ func (c *Container) validate() error {
if len(c.config.InitContainerType) > 0 && len(c.config.Pod) < 1 {
return fmt.Errorf("init containers must be created in a pod: %w", define.ErrInvalidArg)
}
+
+ if c.config.SdNotifyMode == define.SdNotifyModeIgnore && len(c.config.SdNotifySocket) > 0 {
+ return fmt.Errorf("cannot set sd-notify socket %q with sd-notify mode %q", c.config.SdNotifySocket, c.config.SdNotifyMode)
+ }
return nil
}
diff --git a/libpod/define/config.go b/libpod/define/config.go
index 0181bd31c..34c1a675d 100644
--- a/libpod/define/config.go
+++ b/libpod/define/config.go
@@ -81,13 +81,6 @@ const NoLogging = "none"
// PassthroughLogging is the string conmon expects when specifying to use the passthrough driver
const PassthroughLogging = "passthrough"
-// Strings used for --sdnotify option to podman
-const (
- SdNotifyModeContainer = "container"
- SdNotifyModeConmon = "conmon"
- SdNotifyModeIgnore = "ignore"
-)
-
// DefaultRlimitValue is the value set by default for nofile and nproc
const RLimitDefaultValue = uint64(1048576)
diff --git a/libpod/define/container_inspect.go b/libpod/define/container_inspect.go
index e6a34ba61..5982d684c 100644
--- a/libpod/define/container_inspect.go
+++ b/libpod/define/container_inspect.go
@@ -79,6 +79,10 @@ type InspectContainerConfig struct {
// treated as root directories. Standard bind mounts will be mounted
// into paths relative to these directories.
ChrootDirs []string `json:"ChrootDirs,omitempty"`
+ // SdNotifyMode is the sd-notify mode of the container.
+ SdNotifyMode string `json:"sdNotifyMode,omitempty"`
+ // SdNotifySocket is the NOTIFY_SOCKET in use by/configured for the container.
+ SdNotifySocket string `json:"sdNotifySocket,omitempty"`
}
// InspectRestartPolicy holds information about the container's restart policy.
diff --git a/libpod/define/sdnotify.go b/libpod/define/sdnotify.go
new file mode 100644
index 000000000..1d548c764
--- /dev/null
+++ b/libpod/define/sdnotify.go
@@ -0,0 +1,20 @@
+package define
+
+import "fmt"
+
+// Strings used for --sdnotify option to podman
+const (
+ SdNotifyModeContainer = "container"
+ SdNotifyModeConmon = "conmon"
+ SdNotifyModeIgnore = "ignore"
+)
+
+// ValidateSdNotifyMode validates the specified mode.
+func ValidateSdNotifyMode(mode string) error {
+ switch mode {
+ case "", SdNotifyModeContainer, SdNotifyModeConmon, SdNotifyModeIgnore:
+ return nil
+ default:
+ return fmt.Errorf("%w: invalid sdnotify value %q: must be %s, %s or %s", ErrInvalidArg, mode, SdNotifyModeContainer, SdNotifyModeConmon, SdNotifyModeIgnore)
+ }
+}
diff --git a/libpod/oci_conmon_linux.go b/libpod/oci_conmon_linux.go
index cb76de72c..1b654ed33 100644
--- a/libpod/oci_conmon_linux.go
+++ b/libpod/oci_conmon_linux.go
@@ -1062,8 +1062,8 @@ func (r *ConmonOCIRuntime) createOCIContainer(ctr *Container, restoreOptions *Co
args := r.sharedConmonArgs(ctr, ctr.ID(), ctr.bundlePath(), pidfile, ctr.LogPath(), r.exitsDir, ociLog, ctr.LogDriver(), logTag)
- if ctr.config.SdNotifyMode == define.SdNotifyModeContainer && ctr.notifySocket != "" {
- args = append(args, fmt.Sprintf("--sdnotify-socket=%s", ctr.notifySocket))
+ if ctr.config.SdNotifyMode == define.SdNotifyModeContainer && ctr.config.SdNotifySocket != "" {
+ args = append(args, fmt.Sprintf("--sdnotify-socket=%s", ctr.config.SdNotifySocket))
}
if ctr.config.Spec.Process.Terminal {
@@ -1391,14 +1391,13 @@ func startCommand(cmd *exec.Cmd, ctr *Container) error {
// Make sure to unset the NOTIFY_SOCKET and reset it afterwards if needed.
switch ctr.config.SdNotifyMode {
case define.SdNotifyModeContainer, define.SdNotifyModeIgnore:
- if ctr.notifySocket != "" {
+ if prev := os.Getenv("NOTIFY_SOCKET"); prev != "" {
if err := os.Unsetenv("NOTIFY_SOCKET"); err != nil {
logrus.Warnf("Error unsetting NOTIFY_SOCKET %v", err)
}
-
defer func() {
- if err := os.Setenv("NOTIFY_SOCKET", ctr.notifySocket); err != nil {
- logrus.Errorf("Resetting NOTIFY_SOCKET=%s", ctr.notifySocket)
+ if err := os.Setenv("NOTIFY_SOCKET", prev); err != nil {
+ logrus.Errorf("Resetting NOTIFY_SOCKET=%s", prev)
}
}()
}
diff --git a/libpod/options.go b/libpod/options.go
index b31cb4ab2..43ed1ff78 100644
--- a/libpod/options.go
+++ b/libpod/options.go
@@ -6,14 +6,12 @@ import (
"net"
"os"
"path/filepath"
- "strings"
"syscall"
"github.com/containers/buildah/pkg/parse"
nettypes "github.com/containers/common/libnetwork/types"
"github.com/containers/common/pkg/config"
"github.com/containers/common/pkg/secrets"
- cutil "github.com/containers/common/pkg/util"
"github.com/containers/image/v5/manifest"
"github.com/containers/image/v5/types"
"github.com/containers/podman/v4/libpod/define"
@@ -29,12 +27,6 @@ import (
"github.com/sirupsen/logrus"
)
-// Runtime Creation Options
-var (
- // SdNotifyModeValues describes the only values that SdNotifyMode can be
- SdNotifyModeValues = []string{define.SdNotifyModeContainer, define.SdNotifyModeConmon, define.SdNotifyModeIgnore}
-)
-
// WithStorageConfig uses the given configuration to set up container storage.
// If this is not specified, the system default configuration will be used
// instead.
@@ -613,6 +605,17 @@ func WithSystemd() CtrCreateOption {
}
}
+// WithSdNotifySocket sets the sd-notify of the container
+func WithSdNotifySocket(socketPath string) CtrCreateOption {
+ return func(ctr *Container) error {
+ if ctr.valid {
+ return define.ErrCtrFinalized
+ }
+ ctr.config.SdNotifySocket = socketPath
+ return nil
+ }
+}
+
// WithSdNotifyMode sets the sd-notify method
func WithSdNotifyMode(mode string) CtrCreateOption {
return func(ctr *Container) error {
@@ -620,9 +623,8 @@ func WithSdNotifyMode(mode string) CtrCreateOption {
return define.ErrCtrFinalized
}
- // verify values
- if len(mode) > 0 && !cutil.StringInSlice(strings.ToLower(mode), SdNotifyModeValues) {
- return fmt.Errorf("--sdnotify values must be one of %q: %w", strings.Join(SdNotifyModeValues, ", "), define.ErrInvalidArg)
+ if err := define.ValidateSdNotifyMode(mode); err != nil {
+ return err
}
ctr.config.SdNotifyMode = mode