iso-remaster: improve samples, show how to add answerfile in ISO

scripts/iso-remaster/samples/patch-installimg.sh

@@ -1,22 +1,33 @@
 #!/bin/sh
-set -e
+set -ex
+
+#HOME=/data
 
 # unpacked rootfs to modify
 INSTALLIMG="$1"
 
-## Include a locally-modified version of the installer for testing
-#HOSTINSTALLER=$HOME/src/xs/host-installer
-## - if 8.2: copies a few files too much until we can "make install", but that's harmless
-#cp -rv "$HOSTINSTALLER"/* "$INSTALLIMG/opt/xensource/installer/"
-## - if 8.3
-#make -C "$HOSTINSTALLER" DESTDIR="$INSTALLIMG" XS_MPATH_CONF="$HOME/src/xapi/sm/multipath/multipath.conf"
+# # Include an answerfile (also needs answerfile=file:// in patch-iso)
+# cp ~/my/preset.xml "$INSTALLIMG/"
+
+# # Include a locally-modified version of the installer for testing
+# HOSTINSTALLER=$HOME/src/xs/host-installer
+# if [ -r "$HOSTINSTALLER"/Makefile ]; then
+#     # >= 8.3
+#     make -C "$HOSTINSTALLER" DESTDIR="$INSTALLIMG" XS_MPATH_CONF="$HOME/src/xapi/sm/multipath/multipath.conf"
+# else
+#     # if 8.2: copies a few files too much until we can "make install", but that's harmless
+#     cp -rv "$HOSTINSTALLER"/* "$INSTALLIMG/opt/xensource/installer/"
+# fi
 
-## Install extra packages - use `rpm` not `yum`, as we had to use `rpm
-## --nodeps` during image creation and `yum` will now go on strike.
-## Luckily `yumdownloader` still works.
-#
-#DLDIR="$(mktemp -d)"
-#trap "rm -r '$DLDIR'" EXIT INT
-#
-#yumdownloader --installroot="$INSTALLIMG" --destdir="$DLDIR" --resolve --enablerepo=epel ndisc6 -y
-#fakechroot rpm --root="$INSTALLIMG" --install "$DLDIR/*.rpm"
+# # Install extra packages - use `rpm` not `yum`, as we had to use `rpm
+# # --nodeps` during image creation and `yum` will now go on strike.
+# # Luckily `yumdownloader` still works.
+# # FIXME: in its current form, his hackish snippet is only expected to work
+# # in the xcp-ng build-env container
+# 
+# DLDIR="$(cd $INSTALLIMG && mktemp -d)"
+# trap "rm -r '$INSTALLIMG/$DLDIR'" EXIT INT
+# 
+# yumdownloader --installroot="$INSTALLIMG" --destdir="$INSTALLIMG/$DLDIR" --resolve yum-utils -y
+# RPMS=$(cd $INSTALLIMG/$DLDIR && echo *.rpm)
+# fakechroot sh -c "cd $INSTALLIMG/$DLDIR && rpm --root='$INSTALLIMG' --install $RPMS"

scripts/iso-remaster/samples/patch-iso.sh

@@ -3,62 +3,37 @@ set -e
 
 ISODIR="$1"
 
-## remove existing repo sig
-#rm -fv "$ISODIR/repodata/repomd.xml.asc"
-
-## remove old repo metadata
-#rm -r "$ISODIR/repodata/"
-
+# patches to kernel commandline
+SED_COMMANDS=()
+# harmless no-op substitution in case no other is added
+SED_COMMANDS+=(-e "s@^@@")
 
-## example: customize theme
-## remove old rpms
-#for p in $(cat <<EOF
-#                xcp-ng-plymouth-theme-1.0.0-7.xcpng8.3.noarch.rpm
-#                xcp-ng-release-8.3.0-2.x86_64.rpm
-#                xcp-ng-release-config-8.3.0-2.x86_64.rpm
-#                xcp-ng-release-presets-8.3.0-2.x86_64.rpm
-#                xsconsole-10.1.13-1.xcpng8.3.x86_64.rpm
-#EOF
-#          )
-#do
-#    rm "$ISODIR/Packages/$p"
-#done
-#
-## add the new ones
-#for p in $(cat <<EOF
-#                xcp-ng-plymouth-theme-1.0.0-7.xcpng8.3+newtheme1.noarch.rpm
-#                xcp-ng-release-8.3.0-2+newtheme1.x86_64.rpm
-#                xcp-ng-release-config-8.3.0-2+newtheme1.x86_64.rpm
-#                xcp-ng-release-presets-8.3.0-2+newtheme1.x86_64.rpm
-#                xsconsole-10.1.13-1.xcpng8.3+newtheme2.x86_64.rpm
-#EOF
-#          )
-#do
-#    cp "$HOME/newtheme/$p" "$ISODIR/Packages/"
-#done
-#
-## installer splash
-#cp "$HOME/src/xcp/iso/8.3/boot/isolinux/splash.lss" "$ISODIR/boot/isolinux/"
+# # update some RPMs:
+# # * remove old repo metadata
+# rm -r "$ISODIR/repodata/"
+# # * replace RPMs
+# cp -p ~/my/Packages/*.rpm "$ISODIR/Packages/"
+# # * regenerate repo metadata
+# createrepo_c "$ISODIR"
+# # * add `no-repo-gpgcheck` so a modified repo will be accepted
+# SED_COMMANDS+=(-e "s@/vmlinuz@/vmlinuz no-repo-gpgcheck@")
 
+# # prevent any reboot on installer error to allow investigating
+# SED_COMMANDS+=(-e "s@/vmlinuz@/vmlinuz atexit=shell@")
 
-## regenerate repodata
-#createrepo_c "$ISODIR"
+# # activate ssh to installer with given password, eg. to collect logs
+# SED_COMMANDS+=(-e "s@/vmlinuz@/vmlinuz network_device=all sshpassword=passw0rd@")
 
-## patches to kernel commandline
-SED_COMMANDS=()
-# harmless no-op substitution in case no other is added
-SED_COMMANDS+=(-e "s@^@@")
+# # get an answerfile over the network
+# SED_COMMANDS+=(-e "s@/vmlinuz@/vmlinuz install answerfile=http://pxe/configs/preset.xml@")
 
-# add `no-repo-gpgcheck` so a modified repo will be accepted
-#SED_COMMANDS+=(-e "s@/vmlinuz@/vmlinuz no-repo-gpgcheck@")
-#SED_COMMANDS+=(-e "s@/vmlinuz@/vmlinuz network_device=lacp:members=eth0,eth1@")
-#SED_COMMANDS+=(-e "s@/vmlinuz@/vmlinuz install answerfile=http://pxe/configs/custom/ydi/lacp.xml@")
-#SED_COMMANDS+=(-e "s@/vmlinuz@/vmlinuz atexit=shell@")
+# # get an answerfile from the ISO's install.img (also needs to copy preset in patch-installimg)
+# SED_COMMANDS+=(-e "s@/vmlinuz@/vmlinuz install answerfile=file:///preset.xml@")
 
 sed -i "${SED_COMMANDS[@]}" \
     "$ISODIR"/*/*/grub*.cfg \
     "$ISODIR"/boot/isolinux/isolinux.cfg
 
-## sign with a different key
-#gpg1 --armor --detach-sign "$ISODIR/repodata/repomd.xml"
-#gpg1 --armor --export > "$ISODIR/RPM-GPG-KEY-xcpng"
+# # sign with a different key (needs more work)
+# gpg1 --armor --detach-sign "$ISODIR/repodata/repomd.xml"
+# gpg1 --armor --export > "$ISODIR/RPM-GPG-KEY-xcpng"