Implemented script logging, export parallel compilation paramters in chroot

scripts/functions.sh

@@ -143,27 +143,37 @@ format_partitions() {
 	dev="$(get_device_by_partuuid "$PARTITION_UUID_LINUX")" \
 		|| die "Could not resolve partition UUID '$PARTITION_UUID_LINUX'"
 	einfo "  $dev (linux)"
-	mkfs.ext4 -L "linux" "$dev" \
+	mkfs.ext4 -q -L "linux" "$dev" \
 		|| die "Could not create ext4 filesystem"
 }
 
-mount_root() {
-	# Skip if root is already mounted
-	mountpoint -q -- "$ROOT_MOUNTPOINT" \
+mount_by_partuuid() {
+	local dev
+	local partuuid="$1"
+	local mountpoint="$2"
+
+	# Skip if already mounted
+	mountpoint -q -- "$mountpoint" \
 		&& return
 
-	# Mount root device
-	einfo "Mounting root device"
-	mkdir -p "$ROOT_MOUNTPOINT" \
-		|| die "Could not create mountpoint directory $ROOT_MOUNTPOINT"
-	local dev
-	dev="$(get_device_by_partuuid "$PARTITION_UUID_LINUX")" \
+	# Mount device
+	einfo "Mounting device partuuid=$partuuid to '$mountpoint'"
+	mkdir -p "$mountpoint" \
+		|| die "Could not create mountpoint directory '$mountpoint'"
+	dev="$(get_device_by_partuuid "$partuuid")" \
 		|| die "Could not resolve partition UUID '$PARTITION_UUID_LINUX'"
-	mount "$dev" "$ROOT_MOUNTPOINT" \
-		|| die "Could not mount root device '$dev'"
+	mount "$dev" "$mountpoint" \
+		|| die "Could not mount device '$dev'"
+}
+
+mount_root() {
+	mount_by_partuuid "$PARTITION_UUID_LINUX" "$ROOT_MOUNTPOINT"
 }
 
 bind_bootstrap_dir() {
+	# Use new location by default
+	GENTOO_BOOTSTRAP_DIR="$GENTOO_BOOTSTRAP_BIND"
+
 	# Bind the bootstrap dir to a location in /tmp,
 	# so it can be accessed from within the chroot
 	mountpoint -q -- "$GENTOO_BOOTSTRAP_BIND" \
@@ -173,8 +183,8 @@ bind_bootstrap_dir() {
 	einfo "Bind mounting bootstrap directory"
 	mkdir -p "$GENTOO_BOOTSTRAP_BIND" \
 		|| die "Could not create mountpoint directory '$GENTOO_BOOTSTRAP_BIND'"
-	mount --bind "$GENTOO_BOOTSTRAP_DIR" "$GENTOO_BOOTSTRAP_BIND" \
-		|| die "Could not bind mount '$GENTOO_BOOTSTRAP_DIR' to '$GENTOO_BOOTSTRAP_BIND'"
+	mount --bind "$GENTOO_BOOTSTRAP_DIR_ORIGINAL" "$GENTOO_BOOTSTRAP_BIND" \
+		|| die "Could not bind mount '$GENTOO_BOOTSTRAP_DIR_ORIGINAL' to '$GENTOO_BOOTSTRAP_BIND'"
 }
 
 download_stage3() {
@@ -247,9 +257,21 @@ extract_stage3() {
 		|| die "Could not cd into '$TMP_DIR'"
 }
 
+gentoo_umount() {
+	einfo "Unmounting root filesystem"
+	if mountpoint -q -- "$ROOT_MOUNTPOINT"; then
+		umount -R "$ROOT_MOUNTPOINT" \
+			|| die "Could not unmount filesystems"
+	fi
+}
+
 gentoo_chroot() {
 	[[ $# -gt 0 ]] || die "Missing command argument"
 
+	[[ $EXECUTED_IN_CHROOT != true ]] \
+		|| die "Already in chroot"
+
+	gentoo_umount
 	mount_root
 	bind_bootstrap_dir
 
@@ -273,6 +295,6 @@ gentoo_chroot() {
 	einfo "Chrooting..."
 	EXECUTED_IN_CHROOT=true \
 		TMP_DIR=$TMP_DIR \
-		exec chroot "$ROOT_MOUNTPOINT" "$GENTOO_BOOTSTRAP_BIND/scripts/main_chroot.sh" "$@" \
+		exec chroot "$ROOT_MOUNTPOINT" "$GENTOO_BOOTSTRAP_DIR/scripts/main_chroot.sh" "$@" \
 		|| die "Failed to chroot into '$ROOT_MOUNTPOINT'"
 }

scripts/install_gentoo_in_chroot

@@ -0,0 +1 @@
+main.sh

scripts/main.sh

@@ -14,9 +14,11 @@ get_source_dir() {
 	echo -n "$(realpath "$(dirname "${source}")")"
 }
 
-export GENTOO_BOOTSTRAP_DIR="$(dirname "$(get_source_dir)")"
+export GENTOO_BOOTSTRAP_DIR_ORIGINAL="$(dirname "$(get_source_dir)")"
+export GENTOO_BOOTSTRAP_DIR="$GENTOO_BOOTSTRAP_DIR_ORIGINAL"
 export GENTOO_BOOTSTRAP_SCRIPT_ACTIVE=true
 export GENTOO_BOOTSTRAP_SCRIPT_PID=$$
+LOGDATE="$(date +%Y%m%d-%H%M%S)"
 
 umask 0077
 
@@ -32,7 +34,7 @@ mkdir -p "$TMP_DIR"
 ################################################
 # Functions
 
-main_install_stage3() {
+install_stage3() {
 	[[ $# == 0 ]] || die "Too many arguments"
 
 	prepare_installation_environment
@@ -42,15 +44,27 @@ main_install_stage3() {
 	extract_stage3
 }
 
-main_chroot() {
-	gentoo_chroot "$@"
-}
-
-main_install_gentoo() {
+main_install_gentoo_in_chroot() {
 	[[ $# == 0 ]] || die "Too many arguments"
 
-	#remove root password
-	passwd -d root
+	# Lock the root password, making the account unaccessible for the
+	# period of installation, except by chrooting
+	einfo "Locking root account"
+	passwd -l root
+
+	einfo "Selecting portage mirrors"
+	# TODO mirrorselect
+	# TODO gpg portage sync
+	# TODO additional binary repos
+	# TODO safe dns settings (claranet)
+
+	einfo "Mounting efi"
+	mount_by_partuuid "$PARTITION_UUID_EFI" "/boot/efi"
+
+	einfo "Syncing portage tree"
+	emerge-webrsync
+
+	einfo "Selecting portage profile '$'"
 
 	#get kernel
 
@@ -71,24 +85,46 @@ main_install_gentoo() {
 	su
 }
 
-main_install_full() {
+main_install() {
 	[[ $# == 0 ]] || die "Too many arguments"
 
-	"$GENTOO_BOOTSTRAP_DIR/install_stage3" \
+	install_stage3 \
 		|| die "Failed to install stage3"
-	"$GENTOO_BOOTSTRAP_DIR/chroot" "$GENTOO_BOOTSTRAP_DIR/install_gentoo" \
-		|| die "Failed to prepare gentoo in chroot"
+
+	gentoo_chroot "$GENTOO_BOOTSTRAP_DIR/scripts/main.sh" install_gentoo_in_chroot \
+		|| die "Failed to install gentoo in chroot"
+}
+
+main_chroot() {
+	gentoo_chroot "$@" \
+		|| die "Failed to execute script in chroot"
+}
+
+main_umount() {
+	gentoo_umount
 }
 
 
 ################################################
 # Main dispatch
 
+# Redirect output to logfiles
+exec 3>&1
+trap 'exec 1>&3' 0 1 2 3
+exec 1>"$GENTOO_BOOTSTRAP_DIR/log-$LOGDATE.out"
+ln -sf "$GENTOO_BOOTSTRAP_DIR/log-$LOGDATE.out" "$GENTOO_BOOTSTRAP_DIR/log.out"
+einfo "Verbose script output is logged to: '$GENTOO_BOOTSTRAP_DIR/log-$LOGDATE.out'"
+
 SCRIPT_ALIAS="$(basename "$0")"
+if [[ "$SCRIPT_ALIAS" == "main.sh" ]]; then
+	SCRIPT_ALIAS="$1"
+	shift
+fi
+
 case "$SCRIPT_ALIAS" in
-	"chroot")          main_chroot "$@" ;;
-	"install")         main_install_full "$@" ;;
-	"install_gentoo")  main_install_gentoo "$@" ;;
-	"install_stage3")  main_install_stage3 "$@" ;;
+	"chroot") main_chroot "$@" ;;
+	"install") main_install "$@" ;;
+	"install_gentoo_in_chroot") main_install_gentoo_in_chroot "$@" ;;
+	"umount") main_umount "$@" ;;
 	*) die "Invalid alias '$SCRIPT_ALIAS' was used to execute this script" ;;
 esac

scripts/main_chroot.sh

@@ -3,9 +3,19 @@
 [[ "${EXECUTED_IN_CHROOT}" != true ]] \
 	&& { echo "This script must not be executed directly!" >&2; exit 1; }
 
+# Source the systems profile
 source /etc/profile
-export NPROC="$(($(nproc || echo 2) + 1))"
 
-hostname 'gentoo'
+# Export nproc variables
+export NPROC="$(nproc || echo 2)"
+export NPROC_ONE="$(($NPROC + 1))"
 
+# Set default makeflags and emerge flags for parallel emerges
+export MAKEFLAGS="-j$NPROC"
+export EMERGE_DEFAULT_OPTS="--jobs=$NPROC_ONE --load-average=$NPROC"
+
+# Set the PS1 to a recognizable value
+export PS1="(chroot) $PS1"
+
+# Execute the requested command
 exec "$@"

scripts/utils.sh

@@ -2,20 +2,32 @@
 
 source "$GENTOO_BOOTSTRAP_DIR/scripts/protection.sh" || exit 1
 
+log_stdout() {
+	echo "$*"
+	if { >&3; } 2<> /dev/null; then
+		echo "$*" >&3
+	fi
+}
+
+log_stderr() {
+	echo "$*" >&2
+	echo "$*"
+}
+
 elog() {
-	echo " * $*"
+	log_stdout " * $*"
 }
 
 einfo() {
-	echo " * $*"
+	log_stdout " * $*"
 }
 
 ewarn() {
-	echo " * $*" >&2
+	log_stderr " * $*"
 }
 
 eerror() {
-	echo " * ERROR: $*" >&2
+	log_stderr " * ERROR: $*"
 }
 
 die() {

umount

@@ -0,0 +1 @@
+scripts/main.sh