dracut/0014-add-51-dracut-rescue-postinst.sh.patch

From 2fa6fd3aaa3015ad80b2b16f68c9b6de6724f202 Mon Sep 17 00:00:00 2001
From: Harald Hoyer <harald@redhat.com>
Date: Mon, 11 Mar 2013 15:59:13 +0100
Subject: [PATCH] add 51-dracut-rescue-postinst.sh

also fixup 51-dracut-rescue.install to read in dracut conf
---
 51-dracut-rescue-postinst.sh      | 58 +++++++++++++++++++++++++++++++++++++++
 51-dracut-rescue.install          | 58 ++++++++++++++++++++++++++++-----------
 dracut.conf.d/fedora.conf.example |  1 +
 dracut.spec                       | 18 ++++++++----
 4 files changed, 114 insertions(+), 21 deletions(-)
 create mode 100755 51-dracut-rescue-postinst.sh

diff --git a/51-dracut-rescue-postinst.sh b/51-dracut-rescue-postinst.sh
new file mode 100755
index 0000000..5c0fe2c
--- /dev/null
+++ b/51-dracut-rescue-postinst.sh
@@ -0,0 +1,58 @@
+#!/bin/bash
+# -*- mode: shell-script; indent-tabs-mode: nil; sh-basic-offset: 4; -*-
+# ex: ts=8 sw=4 sts=4 et filetype=sh
+
+export LANG=C
+
+KERNEL_VERSION="$1"
+KERNEL_IMAGE="$2"
+
+[[ -f /etc/os-release ]] && . /etc/os-release
+[[ -f /etc/machine-id ]] && read MACHINE_ID < /etc/machine-id
+
+INITRDFILE="/boot/initramfs-${MACHINE_ID}-rescue.img"
+[[ -f $INITRDFILE ]] && exit 0
+
+dropindirs_sort()
+{
+    suffix=$1; shift
+    args=("$@")
+    files=$(
+        while (( $# > 0 )); do
+            for i in ${1}/*${suffix}; do
+                [[ -f $i ]] && echo ${i##*/}
+            done
+            shift
+        done | sort -Vu
+    )
+
+    for f in $files; do
+        for d in "${args[@]}"; do
+            if [[ -f "$d/$f" ]]; then
+                echo "$d/$f"
+                continue 2
+            fi
+        done
+    done
+}
+
+# source our config dir
+for f in $(dropindirs_sort ".conf" "/etc/dracut.conf.d" "/usr/lib/dracut/dracut.conf.d"); do
+    [[ -e $f ]] && . "$f"
+done
+
+[[ $dracut_rescue_image != "yes" ]] && exit 0
+
+dracut --no-hostonly  -a "rescue" "$INITRDFILE" "$KERNEL_VERSION"
+((ret+=$?))
+
+cp "$KERNEL_IMAGE" "${KERNEL_IMAGE%/*}/vmlinuz-${MACHINE_ID}-rescue"
+((ret+=$?))
+
+KERNEL_IMAGE="${KERNEL_IMAGE%/*}/vmlinuz-${MACHINE_ID}-rescue"
+
+new-kernel-image --install "$KERNEL_VERSION" --kernel-image "$KERNEL_IMAGE" --initrdfile "$INITRDFILE" --banner "$PRETTY_NAME Rescue"
+
+((ret+=$?))
+
+exit $ret
diff --git a/51-dracut-rescue.install b/51-dracut-rescue.install
index e5781d3..94f064c 100755
--- a/51-dracut-rescue.install
+++ b/51-dracut-rescue.install
@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/bin/bash
 # -*- mode: shell-script; indent-tabs-mode: nil; sh-basic-offset: 4; -*-
 # ex: ts=8 sw=4 sts=4 et filetype=sh
 
@@ -6,8 +6,29 @@ export LANG=C
 
 COMMAND="$1"
 KERNEL_VERSION="$2"
-BOOT_DIR_ABS="$3"
-BOOT_DIR="${3#/boot}"
+
+dropindirs_sort()
+{
+    suffix=$1; shift
+    args=("$@")
+    files=$(
+        while (( $# > 0 )); do
+            for i in ${1}/*${suffix}; do
+                [[ -f $i ]] && echo ${i##*/}
+            done
+            shift
+        done | sort -Vu
+    )
+
+    for f in $files; do
+        for d in "${args[@]}"; do
+            if [[ -f "$d/$f" ]]; then
+                echo "$d/$f"
+                continue 2
+            fi
+        done
+    done
+}
 
 [[ -f /etc/os-release ]] && . /etc/os-release
 [[ -f /etc/machine-id ]] && read MACHINE_ID < /etc/machine-id
@@ -21,17 +42,30 @@ if ! [[ $BOOT_OPTIONS ]]; then
     exit 1
 fi
 
-LOADER_ENTRY="/boot/loader/entries/${MACHINE_ID}-00-${KERNEL_VERSION}-rescue.conf"
+LOADER_ENTRY="/boot/loader/entries/${MACHINE_ID}-0-rescue.conf"
+BOOT_DIR="/${MACHINE_ID}/0-rescue"
+BOOT_DIR_ABS="/boot${BOOT_DIR}"
 
 ret=0
 
 case "$COMMAND" in
     add)
-        for i in "/boot/loader/entries/${MACHINE_ID}-00-"*"-rescue.conf"; do
+        for i in "/boot/loader/entries/${MACHINE_ID}-0-rescue.conf"; do
             [[ -f $i ]] && exit 0
         done
 
-	dracut --no-hostonly  -a "rescue" "$3"/initrd-rescue "$2"
+        # source our config dir
+        for f in $(dropindirs_sort ".conf" "/etc/dracut.conf.d" "/usr/lib/dracut/dracut.conf.d"); do
+            [[ -e $f ]] && . "$f"
+        done
+
+        [[ $dracut_rescue_image != "yes" ]] && exit 0
+
+        if ! cp --preserve "$KERNEL_IMAGE" "$BOOT_DIR_ABS"/linux; then
+            echo "Can't copy '$KERNEL_IMAGE to '$BOOT_DIR_ABS/linux'!" >&2
+        fi
+
+        dracut --no-hostonly  -a "rescue" "$BOOT_DIR_ABS"/initrd "$2"
         ((ret+=$?))
 
         {
@@ -40,21 +74,13 @@ case "$COMMAND" in
             echo "machine-id $MACHINE_ID"
             echo "options    ${BOOT_OPTIONS[@]} rd.auto=1"
             echo "linux      $BOOT_DIR/linux"
-            echo "initrd     $BOOT_DIR/initrd-rescue"
+            echo "initrd     $BOOT_DIR/initrd"
         } > $LOADER_ENTRY
         ((ret+=$?))
-
-        if (( $ret == 0 )); then
-            command -v yumdb &>/dev/null && \
-                yumdb set installonly keep kernel-$KERNEL_VERSION >/dev/null
-        fi
-
         ;;
 
     remove)
-        [[ -f $LOADER_ENTRY ]] || exit 0
-
-        rm -f "$LOADER_ENTRY" "$3"/initrd-rescue
+        exit 0
         ;;
 
     *)
diff --git a/dracut.conf.d/fedora.conf.example b/dracut.conf.d/fedora.conf.example
index 8448fc3..ba7857c 100644
--- a/dracut.conf.d/fedora.conf.example
+++ b/dracut.conf.d/fedora.conf.example
@@ -13,3 +13,4 @@ systemdsystemunitdir=/usr/lib/systemd/system
 udevdir=/usr/lib/udev
 add_dracutmodules+=" systemd "
 hostonly="yes"
+dracut_rescue_image="yes"
diff --git a/dracut.spec b/dracut.spec
index 14ce0d0..940d364 100644
--- a/dracut.spec
+++ b/dracut.spec
@@ -84,6 +84,7 @@ Requires: file
 Requires: kpartx
 Requires: udev > 166
 Requires: kbd kbd-misc
+
 %if 0%{?fedora} || 0%{?rhel} > 6
 Requires: util-linux >= 2.21
 Conflicts: systemd < 198
@@ -234,8 +235,14 @@ rm $RPM_BUILD_ROOT%{_bindir}/mkinitrd
 rm $RPM_BUILD_ROOT%{_bindir}/lsinitrd
 %endif
 
-mkdir -p $RPM_BUILD_ROOT/etc/logrotate.d
-install -m 0644 dracut.logrotate $RPM_BUILD_ROOT/etc/logrotate.d/dracut_log
+# FIXME: remove after F19
+%if 0%{?fedora} || 0%{?rhel} > 6
+mkdir -p $RPM_BUILD_ROOT%{_sysconfdir}/kernel/postinst.d
+install -m 0755 51-dracut-rescue-postinst.sh $RPM_BUILD_ROOT%{_sysconfdir}/kernel/postinst.d/51-dracut-rescue-postinst.sh
+%endif
+
+mkdir -p $RPM_BUILD_ROOT%{_sysconfdir}/logrotate.d
+install -m 0644 dracut.logrotate $RPM_BUILD_ROOT%{_sysconfdir}/logrotate.d/dracut_log
 
 # create compat symlink
 mkdir -p $RPM_BUILD_ROOT/sbin
@@ -262,11 +269,11 @@ rm -rf $RPM_BUILD_ROOT
 %{dracutlibdir}/dracut-logger.sh
 %{dracutlibdir}/dracut-initramfs-restore
 %{dracutlibdir}/dracut-install
-%config(noreplace) /etc/dracut.conf
+%config(noreplace) %{_sysconfdir}/dracut.conf
 %if 0%{?fedora} || 0%{?suse_version} || 0%{?rhel}
 %{dracutlibdir}/dracut.conf.d/01-dist.conf
 %endif
-%dir /etc/dracut.conf.d
+%dir %{_sysconfdir}/dracut.conf.d
 %dir %{dracutlibdir}/dracut.conf.d
 %{_mandir}/man8/dracut.8*
 %{_mandir}/man8/*service.8*
@@ -329,7 +336,7 @@ rm -rf $RPM_BUILD_ROOT
 %{dracutlibdir}/modules.d/99fs-lib
 %{dracutlibdir}/modules.d/99img-lib
 %{dracutlibdir}/modules.d/99shutdown
-%config(noreplace) /etc/logrotate.d/dracut_log
+%config(noreplace) %{_sysconfdir}/logrotate.d/dracut_log
 %attr(0644,root,root) %ghost %config(missingok,noreplace) %{_localstatedir}/log/dracut.log
 %dir %{_sharedstatedir}/initramfs
 %if %{defined _unitdir}
@@ -339,6 +346,7 @@ rm -rf $RPM_BUILD_ROOT
 %if 0%{?fedora} || 0%{?rhel} > 6
 %{_prefix}/lib/kernel/install.d/50-dracut.install
 %{_prefix}/lib/kernel/install.d/51-dracut-rescue.install
+%{_sysconfdir}/kernel/postinst.d/51-dracut-rescue-postinst.sh
 %endif
 
 %files network