Set the sentinel file from immucore directly

Also add a missing livecd sentinel file

Signed-off-by: Itxaka <itxaka.garcia@spectrocloud.com>

dracut/28immucore/generator.sh

@@ -30,14 +30,3 @@ cos_img=$(getarg cos-img/filename=)
 } > "$GENERATOR_DIR"/sysroot.mount
 
 ## END GENERATE SYSROOT
-
-# set sentinel file for boot mode
-mkdir -p /run/cos
-case "${cos_img}" in
-    *recovery*)
-        echo -n 1 > /run/cos/recovery_mode ;;
-    *active*)
-        echo -n 1 > /run/cos/active_mode ;;
-    *passive*)
-        echo -n 1 > /run/cos/passive_mode ;;
-esac

go.sum

@@ -164,8 +164,6 @@ github.com/containerd/containerd v1.5.0-beta.4/go.mod h1:GmdgZd2zA2GYIBZ0w09Zvgq
 github.com/containerd/containerd v1.5.0-rc.0/go.mod h1:V/IXoMqNGgBlabz3tHD2TWDoTJseu1FGOKuoA4nNb2s=
 github.com/containerd/containerd v1.5.1/go.mod h1:0DOxVqwDy2iZvrZp2JUx/E+hS0UNTVn7dJnIOwtYR4g=
 github.com/containerd/containerd v1.5.7/go.mod h1:gyvv6+ugqY25TiXxcZC3L5yOeYgEw0QMhscqVp1AR9c=
-github.com/containerd/containerd v1.6.16 h1:0H5xH6ABsN7XTrxIAKxFpBkFCBtrZ/OSORhCpUnHjrc=
-github.com/containerd/containerd v1.6.16/go.mod h1:1RdCUu95+gc2v9t3IL+zIlpClSmew7/0YS8O5eQZrOw=
 github.com/containerd/containerd v1.6.17 h1:XDnJIeJW0cLf6v7/+N+6L9kGrChHeXekZp2VHu6OpiY=
 github.com/containerd/containerd v1.6.17/go.mod h1:1RdCUu95+gc2v9t3IL+zIlpClSmew7/0YS8O5eQZrOw=
 github.com/containerd/continuity v0.0.0-20190426062206-aaeac12a7ffc/go.mod h1:GL3xCUCBDV3CZiTSEKksMWbLE66hEyuu9qyDOOqM47Y=

internal/cmd/commands.go

@@ -38,6 +38,13 @@ Sends a generic event payload with the configuration found in the scanned direct
 				zerolog.SetGlobalLevel(zerolog.DebugLevel)
 			}
 
+			// First set the sentinel file
+			err = utils.SetSentinelFile()
+			if err != nil {
+				log.Logger.Err(err).Send()
+				return err
+			}
+
 			// If we boot from CD, we do nothing
 			cdBoot, err := utils.BootedFromCD()
 			if err != nil {

internal/utils/common.go

@@ -4,6 +4,7 @@ import (
 	"github.com/joho/godotenv"
 	"github.com/kairos-io/kairos/sdk/state"
 	"os"
+	"path/filepath"
 	"strings"
 )
 
@@ -118,3 +119,36 @@ func CleanupSlice(slice []string) []string {
 	}
 	return cleanSlice
 }
+
+// SetSentinelFile sets the sentinel file to identify the boot mode.
+// This is used by several things to know in which state they are, for example cloud configs
+func SetSentinelFile() error {
+	var sentinel string
+
+	err := CreateIfNotExists("/run/cos/")
+	if err != nil {
+		return err
+	}
+	runtime, err := state.NewRuntime()
+	if err != nil {
+		return err
+	}
+
+	switch runtime.BootState {
+	case state.Active:
+		sentinel = "active_mode"
+	case state.Passive:
+		sentinel = "passive_mode"
+	case state.Recovery:
+		sentinel = "recovery_mode"
+	case state.LiveCD:
+		sentinel = "live_mode"
+	default:
+		sentinel = string(state.Unknown)
+	}
+	err = os.WriteFile(filepath.Join("/run/cos/", sentinel), []byte("1"), os.ModePerm)
+	if err != nil {
+		return err
+	}
+	return nil
+}