runit: traer stages de define-alpine

runit/index.ts

@@ -53,6 +53,12 @@ export class Runit {
       await this.getScript("05-misc.sh")
     );
 
+    for (let stage = 1; stage <= 3; stage++)
+      await alpine.writeExecutable(
+        "/etc/runit/" + stage,
+        await this.getScript("" + stage)
+      );
+
     // https://wiki.gentoo.org/wiki/Runit#Reboot_and_shutdown
     await alpine.sudoWriteExecutable(
       "/usr/local/sbin/rpoweroff",

runit/scripts/1

@@ -0,0 +1,22 @@
+#!/bin/sh
+
+PATH=/bin:/usr/bin:/usr/sbin:/sbin
+
+. /etc/runit/functions
+
+msg "Welcome to Nulo!"
+
+[ -r /etc/rc.conf ] && . /etc/rc.conf
+
+# Start core services: one-time system tasks.
+detect_virt
+for f in /etc/runit/core-services/*.sh; do
+	[ -r $f ] && . $f
+done
+
+# create files for controlling runit
+mkdir -p /run/runit
+install -m000 /dev/null /run/runit/stopit
+install -m000 /dev/null /run/runit/reboot
+
+msg "Initialization complete, running stage 2..."

runit/scripts/2

@@ -0,0 +1,19 @@
+#!/bin/sh
+PATH=/bin:/usr/bin:/usr/sbin:/sbin
+
+runlevel=default
+for arg in $(cat /proc/cmdline); do
+    if [ -d /etc/runit/runsvdir/"$arg" ]; then
+        echo "Runlevel detected: '$arg' (via kernel cmdline)"
+        runlevel="$arg"
+    fi
+done
+
+[ -x /etc/rc.local ] && /etc/rc.local
+
+runsvchdir "${runlevel}"
+mkdir -p /run/runit/runsvdir
+ln -s /etc/runit/runsvdir/current /run/runit/runsvdir/current
+
+exec env - PATH=$PATH \
+    runsvdir -P /run/runit/runsvdir/current 'log: ................................'

runit/scripts/3

@@ -0,0 +1,43 @@
+#!/bin/sh
+PATH=/bin:/usr/bin:/usr/sbin:/sbin
+
+. /etc/runit/functions
+detect_virt
+[ -r /etc/rc.conf ] && . /etc/rc.conf
+
+echo
+msg "Waiting for services to stop..."
+sv force-stop /etc/service/*
+sv exit /etc/service/*
+
+[ -x /etc/rc.shutdown ] && /etc/rc.shutdown
+
+if [ -z "$VIRTUALIZATION" -a -n "$HARDWARECLOCK" ]; then
+    hwclock --systohc ${HARDWARECLOCK:+--$(echo $HARDWARECLOCK |tr A-Z a-z)}
+fi
+
+halt -w  # for wtmp
+
+if [ -z "$VIRTUALIZATION" ]; then
+    msg "Stopping udev..."
+    udevadm control --exit
+fi
+
+if [ -z "$VIRTUALIZATION" ]; then
+    msg "Unmounting filesystems, disabling swap..."
+    swapoff -a
+    umount -r -a -t nosysfs,noproc,nodevtmpfs,notmpfs
+fi
+
+sync
+
+if [ -z "$VIRTUALIZATION" ]; then
+    deactivate_vgs
+    deactivate_crypt
+    if [ -e /run/runit/reboot ] && command -v kexec >/dev/null; then
+        msg "Triggering kexec..."
+        kexec -e 2>/dev/null
+        # not reached when kexec was successful.
+    fi
+fi
+