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Change how packages are installed into VM images: Rather than chrooting

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into the image and running 'pkg install' from there, use 'pkg fetch' to
download packages into a temporary location and then 'pkg add' to install
them into the image.

This simplifies the code by avoiding the need to copy /etc/resolv.conf
into the image and then delete it later, and makes it possible to cross
build (e.g., to create an amd64 image when running on i386 hardware; or
in the future for building disk images for embedded platforms).

Because pkg was implicitly installed when VM_EXTRA_PACKAGES was non-empty,
add it to VM_EXTRA_PACKAGES in azure.conf and openstack.conf to maintain
the current behaviour.

By default repo-FreeBSD.sqlite is copied into the image, (a) to match
previous behaviour, where the file would be downloaded by the chrooted
pkg invocation; and (b) because it may be useful for testing purposes,
e.g., to see why a package didn't get installed.  Because this file is
large (46 MB) and not likely to be useful in -RELEASE images which are
being launched into Clouds several months later, it can be disabled by
setting NOREPOSQLITE.

As far as I know this commit does not change the disk images produced in
any filesystem-visible way.
This commit is contained in:
Colin Percival 2014-11-21 02:13:12 +00:00
parent 4e7bc9f0f7
commit 32dbc82982
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/projects/release-vmimage/; revision=274773
3 changed files with 12 additions and 19 deletions
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5
release/tools/azure.conf
View File

@ -5,7 +5,7 @@
# Set to a list of packages to install.
# Example:
#export VM_EXTRA_PACKAGES="www/apache24"
#export VM_EXTRA_PACKAGES="www/apache24 ports-mgmt/pkg"
export VM_EXTRA_PACKAGES=
# Set to a list of third-party software to enable in rc.conf(5).
@ -17,7 +17,6 @@ vm_extra_install_base() {
fetch -o ${DESTDIR}/usr/sbin/waagent \
http://people.freebsd.org/~gjb/waagent
chmod +x ${DESTDIR}/usr/sbin/waagent
rm -f ${DESTDIR}/etc/resolv.conf
return 0
}
@ -33,8 +32,6 @@ vm_extra_pre_umount() {
echo 'console="comconsole vidconsole"' >> ${DESTDIR}/boot/loader.conf
echo 'comconsole_speed="115200"' >> ${DESTDIR}/boot/loader.conf
rm -f ${DESTDIR}/etc/resolv.conf
return 0
}

5
release/tools/openstack.conf
View File

@ -4,7 +4,7 @@
#
# Set to a list of packages to install.
export VM_EXTRA_PACKAGES="net/cloud-init"
export VM_EXTRA_PACKAGES="net/cloud-init ports-mgmt/pkg"
# Set to a list of third-party software to enable in rc.conf(5).
export VM_RC_LIST="cloudinit"
@ -13,7 +13,6 @@ vm_extra_install_base() {
fetch -o ${DESTDIR}/usr/sbin/waagent \
http://people.freebsd.org/~gjb/waagent
chmod +x ${DESTDIR}/usr/sbin/waagent
rm -f ${DESTDIR}/etc/resolv.conf
return 0
}
@ -22,7 +21,5 @@ vm_extra_pre_umount() {
echo 'sshd_enable="YES"' >> ${DESTDIR}/etc/rc.conf
echo 'ifconfig_DEFAULT="SYNCDHCP"' >> ${DESTDIR}/etc/rc.conf
rm -f ${DESTDIR}/etc/resolv.conf
return 0
}

21
release/tools/vmimage.subr
View File

@ -90,8 +90,6 @@ vm_install_base() {
chroot ${DESTDIR} /etc/rc.d/ldconfig forcestart
umount ${DESTDIR}/dev
cp /etc/resolv.conf ${DESTDIR}/etc/resolv.conf
return 0
}
@ -114,15 +112,18 @@ vm_extra_enable_services() {
}
vm_extra_install_packages() {
mkdir -p ${DESTDIR}/dev
mount -t devfs devfs ${DESTDIR}/dev
chroot ${DESTDIR} env ASSUME_ALWAYS_YES=yes \
/usr/sbin/pkg bootstrap -y
if [ ! -z "${VM_EXTRA_PACKAGES}" ]; then
chroot ${DESTDIR} env ASSUME_ALWAYS_YES=yes \
/usr/sbin/pkg install -y ${VM_EXTRA_PACKAGES}
PKGSDIR=`mktemp -d`
ABI=`/usr/sbin/pkg -c ${DESTDIR} config abi`
/usr/sbin/pkg -o ABI=${ABI} fetch -o ${PKGSDIR} -d -y ${VM_EXTRA_PACKAGES}
for PKG in ${PKGSDIR}/All/*; do
/usr/sbin/pkg -c ${DESTDIR} add -M - < ${PKG}
done
rm -r ${PKGSDIR}
if [ -z "${NOREPOSQLITE}" ]; then
cp /var/db/pkg/repo-FreeBSD.sqlite ${DESTDIR}/var/db/pkg
fi
fi
umount ${DESTDIR}/dev
return 0
}
@ -138,8 +139,6 @@ vm_extra_pre_umount() {
# Prototype. When overridden, installs additional ports within the
# virtual machine environment.
rm -f ${DESTDIR}/etc/resolv.conf
return 0
}