Attempt at making init scripts container aware

Makefile

@@ -17,7 +17,7 @@ DESC = This package supplies the base system init scripts for sysvinit
 ARCHIVE := ''
 SRCDIR := $(PWD)/SRC/initscripts
 PATCHDIR := $(PWD)/SRC/patches
-VERSION := 1.1-0
+VERSION := 1.3-0
 
 include /usr/share/snap/Makefile.snaplinux
 

SNAP/usher

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 
 set -e
 
@@ -7,29 +7,22 @@ case $1 in
     exit 0
     ;;
   postinst)
-    echo "[ENVIRONMENT]\n"
-    env
-    echo "TARGET: ${TARGET}"
+    update-rc required
 
-    if [[ ${TARGET} ]]; then
-      chroot ${TARGET} update-rc required
-    else
-      update-rc required
+    if [ ! -f /etc/fstab ]; then
+      cp /usr/share/initscripts/fstab /etc/fstab
     fi
 
-    if [ ! -f ${TARGET}/etc/modules.conf ]; then
-      cp ${TARGET}/usr/share/initscripts/modules.conf \
-        ${TARGET}/etc/modules.conf
+    if [ ! -f /etc/modules.conf ]; then
+      cp /usr/share/initscripts/modules.conf /etc/modules.conf
     fi
 
-    if [ ! -f ${TARGET}/etc/default/halt ]; then
-      cp ${TARGET}/usr/share/initscripts/halt.default \
-        ${TARGET}/etc/default/halt
+    if [ ! -f /etc/default/halt ]; then
+      cp /usr/share/initscripts/halt.default /etc/default/halt
     fi
 
-    if [ ! -f ${TARGET}/etc/default/rcS ]; then
-      cp ${TARGET}/usr/share/initscripts/rcS.default \
-        ${TARGET}/etc/default/rcS
+    if [ ! -f /etc/default/rcS ]; then
+      cp /usr/share/initscripts/rcS.default /etc/default/rcS
     fi
     ;;
   prerm)

SRC/initscripts/Makefile

@@ -22,6 +22,8 @@ files:
 	install -m 755 init.d/swap $(DESTDIR)/etc/init.d/swap
 	install -m 755 init.d/sysctl $(DESTDIR)/etc/init.d/sysctl
 	install -m 755 init-functions $(DESTDIR)/lib/lsb/init-functions
+	install -m 644 fstab \
+		$(DESTDIR)/usr/share/initscripts/fstab
 	install -m 644 halt.default \
 		$(DESTDIR)/usr/share/initscripts/halt.default
 	install -m 644 modules.conf \

SRC/initscripts/fstab

@@ -0,0 +1,4 @@
+#
+# /etc/fstab - file system mount definitions
+#
+# <file system> <mount point>   <type>  <options>       <dump>  <fsck>

SRC/initscripts/init-functions

@@ -1,4 +1,14 @@
-#!/bin/sh
+# /lib/lsb/init-functions - shell functions and variables for init scripts
+
+#
+# This sets some environment variables that init scripts can use
+# to determine if we're running in a container
+#
+# Most likely just checking for the presence of $container would
+# be enough
+#
+
+export $(sed 's/\x0/\n/g' < /proc/1/environ|grep -ia '^container\|^LXC')
 
 COL52="\\033[52G"
 
@@ -54,19 +64,19 @@ log_init_msg() {
 }
 
 log_failure_msg() {
-  echo -e "$COL52[ FAIL ]"
+  echo "$COL52[ FAIL ]"
 
   return
 }
 
 log_success_msg() {
-  echo -e "$COL52[  OK  ]"
+  echo "$COL52[  OK  ]"
 
   return
 }
 
 log_warning_msg() {
-  echo -e "$COL52[ WARN ]"
+  echo "$COL52[ WARN ]"
 
   return
 }

SRC/initscripts/init.d/checkfs

@@ -13,6 +13,8 @@
 
 . /lib/lsb/init-functions
 
+[ -z $container ] || exit 0
+
 case "$1" in
   start)
     if [ -f /fastboot ] || grep -qwi 'fastboot' /proc/cmdline; then

SRC/initscripts/init.d/hwclock

@@ -16,6 +16,8 @@
 
 . /lib/lsb/init-functions
 
+[ -z $container ] || exit 0
+
 case "$UTC" in
   0|n|no)
     ZONE="--localtime"

SRC/initscripts/init.d/mountfs

@@ -1,17 +1,4 @@
 #!/bin/sh
-########################################################################
-# Begin mountfs
-#
-# Description : File System Mount Script
-#
-# Authors     : Gerard Beekmans - gerard@linuxfromscratch.org
-#               DJ Lucas - dj@linuxfromscratch.org
-# Update      : Bruce Dubbs - bdubbs@linuxfromscratch.org
-#
-# Version     : LFS 7.0
-#
-########################################################################
-
 ### BEGIN INIT INFO
 # Provides:            $local_fs
 # Required-Start:      udev checkfs
@@ -20,67 +7,61 @@
 # Should-Stop:
 # Default-Start:       S
 # Default-Stop:        0 6
-# Short-Description:   Mounts/unmounts local filesystems defined in /etc/fstab.
+# Short-Description:   Mounts/unmounts local filesystems
 # Description:         Remounts root filesystem read/write and mounts all
-#                      remaining local filesystems defined in /etc/fstab on
-#                      start. Remounts root filesystem read-only and unmounts
+#                      remaining local filesystems defined in /etc/fstab or
+#                      in ZFS. Remounts root filesystem read-only and unmounts
 #                      remaining filesystems on stop.
-# X-LFS-Provided-By:   LFS
 # X-Required:          true
 ### END INIT INFO
 
 . /lib/lsb/init-functions
 
-#!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
-#
-# needs work!!
-# probably need to split up
-# separate scripts for / and
-# network filesystems
-#
-# Ok, so network filesystems
-# init scripts should be included
-# as part of the package. This
-# script should only be for
-# standard local filesystems
-#
-#!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
+[ -z $container ] || exit 0
 
 case "$1" in
   start)
-   log_init_msg "Remounting root file system in read-write mode"
-   mount -o remount,rw / >/dev/null && log_success_msg || log_failure_msg
+    log_init_msg "Remounting root file system in read-write mode"
+    mount -o remount,rw / >/dev/null && log_success_msg || log_failure_msg
 
-   # Remove fsck-related file system watermarks.
-   rm -f /fastboot /forcefsck
+    if [ -f /fastboot ]; then
+      log_init_msg "Clearing /fastboot"
+      rm /fastboot && log_success_msg || log_failure_msg
+    fi
 
-   # Make sure /dev/pts exists
-#   mkdir -p /dev/pts
+    if [ -f /forcefsck ]; then
+      log_init_msg "Clearing /forcefsk"
+      rm /forcefsck && log_success_msg || log_failure_msg
+    fi
 
-   # This will mount all filesystems that do not have _netdev in
-   # their option list.  _netdev denotes a network filesystem.
+    if [ -x /sbin/zpool ]; then
+      if zpool list rpool 2>&1 > /dev/null; then
+        log_init_msg "Mounting ZFS file systems"
+        zfs mount -a && log_success_msg || log_failure_msg
+      fi
+    fi
 
-   log_init_msg "Mounting remaining file systems"
-   mount -a -O no_netdev >/dev/null && log_success_msg || log_failure_msg
-   exit $failed
-   ;;
+    log_init_msg "Mounting remaining file systems"
+    mount -a -O no_netdev >/dev/null && log_success_msg || log_failure_msg
+    ;;
   stop)
-   # Don't unmount virtual file systems like /run
-   log_init_msg "Unmounting all file systems"
-   umount -a -d -r -t notmpfs,nosysfs,nodevtmpfs,noproc,nodevpts >/dev/null && \
-     log_success_msg || log_failure_msg
+    log_init_msg "Unmounting all file systems"
+    umount -a -d -r -t notmpfs,nosysfs,nodevtmpfs,noproc,nodevpts \
+      >/dev/null && log_success_msg || log_failure_msg
 
-   # Make sure / is mounted read only (umount bug)
-   mount -o remount,ro /
+    if [ -x /sbin/zpool ]; then
+      if zpool list rpool 2>&1 > /dev/null; then
+        log_init_msg "Unmounting ZFS file systems"
+        zfs umount -a && log_success_msg || log_failure_msg
+      fi
+    fi
 
-   # Make all LVM volume groups unavailable, if appropriate
-   # This fails if swap or / are on an LVM partition
-   #if [ -x /sbin/vgchange ]; then /sbin/vgchange -an > /dev/null; fi
-   ;;
+    mount -o remount,ro /
+    ;;
   *)
-   echo "Usage: $0 [start|stop]"
-   exit 1
-   ;;
+    echo "Usage: $0 [start|stop]"
+    exit 1
+    ;;
 esac
 
 exit 0

SRC/initscripts/init.d/mountvirtfs

@@ -80,14 +80,6 @@ mountrun () {
       /run || return 1
   fi
 
-  mkdir -p /run/lock /run/shm || return 1
-  chmod 1777 /run/shm || return 1
-
-  if grep -q '^utmp:' /etc/group; then
-    chmod 664 /run/utmp >> /run/utmp
-    chgrp utmp /run/utmp
-  fi
-
   return 0
 }
 
@@ -105,12 +97,21 @@ case "$1" in
   start|restart)
     log_init_msg "Mounting virtual file systems"
 
-    for dir in dev pts proc run sys; do
-      mount$dir || error=1
-    done
+    if [ -z $container ]; then
+      for dir in dev pts proc run sys; do
+        mount$dir || error=1
+      done
+    fi
 
+    mkdir -p /run/lock /run/shm || error=1
+    chmod 1777 /run/shm || error=1
     ln -sfn /run/shm /dev/shm
       
+    if grep -q '^utmp:' /etc/group; then
+      chmod 664 /run/utmp >> /run/utmp
+      chgrp utmp /run/utmp
+    fi
+
     [ -z $error ] && log_success_msg || log_failure_msg
     ;;
   status)

SRC/initscripts/init.d/rc

@@ -6,16 +6,16 @@ trap "" INT QUIT TSTP
 
 print_snap() {
   echo "
-                            _ _
-                           | (_)
-      ___ _ __   __ _ _ __ | |_ _ __  _   _ _  _
-     / __| '_ \ / _' | '_ \| | | '_ \| | | \ \/ /
-     \__ \ | | | (_| | |_) | | | | | | |_| |>  <
-     |___/_| |_|\__,_| .__/|_|_|_| |_|\__,_/_/\_\ 
-                     | |
-                     |_|
+                        _ _
+                       | (_)
+  ___ _ __   __ _ _ __ | |_ _ __  _   _ _  _
+ / __| '_ \ / _' | '_ \| | | '_ \| | | \ \/ /
+ \__ \ | | | (_| | |_) | | | | | | |_| |>  <
+ |___/_| |_|\__,_| .__/|_|_|_| |_|\__,_/_/\_\ 
+                 | |
+                 |_|
 
-     A GNU/Linux System
+ A GNU/Linux System
 
 "
 }
@@ -26,7 +26,7 @@ case "$1" in
       set -a
       [ -r /etc/default/rcS ] && . /etc/default/rcS
       set +a
-      dmesg -n "${LOGLEVEL:-7}"
+      [ -z $container ] && dmesg -n "${LOGLEVEL:-7}"
       print_snap
     fi