postinst is in nova-common 2012.1-0ubuntu2.
This file is a maintainer script. It is executed when installing (*inst) or removing (*rm) the package.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 | #!/bin/sh -e
if [ "$1" = "configure" ]; then
if ! getent group nova > /dev/null 2>&1; then
addgroup --system nova >/dev/null
fi
if ! getent passwd nova > /dev/null 2>&1; then
adduser --system --home /var/lib/nova --ingroup nova --no-create-home --shell /bin/false nova
fi
if [ "$(id -gn nova)" = "nogroup" ]; then
usermod -g nova nova
fi
if [ -z "$2" ]; then
# New install - blanket permissions
chown -R nova:nova /var/lib/nova/
elif dpkg --compare-versions "$2" lt "2011.3-0ubuntu4"; then
# make sure that LXC rootfs mount points are excleuded
# during upgrades from previous versions
find /var/lib/nova/ -name 'rootfs' -prune -o \
-group root -a -user nova -exec chown nova:nova {} \;
find /var/lib/nova/ -name 'rootfs' -prune -o \
-group nogroup -a -user nova -exec chown nova:nova {} \;
fi
if [ "$(id -gn nova)" = "nogroup" ]; then
usermod -g nova nova
fi
if dpkg --compare-versions "$2" lt "2012.1~e3-0ubuntu2"; then
usermod -s "/bin/false" nova
fi
chown -R nova:nova /var/log/nova/ /etc/nova/
if [ -z "$2" ]; then
# New install - blanket permissions
chown -R nova:nova /var/lib/nova/
elif dpkg --compare-versions "$2" lt "2011.3-0ubuntu4"; then
# Make sure the LXC rootfs mount points are excluded
# during upgrades from previous versions
find /var/lib/nova/ -name 'rootfs' -prune -o \
-group root -a -user nova -exec chown nova:nova {} \;
find /var/lib/nova/ -name 'rootfs' -prune -o \
-group nogroup -a -user nova -exec chown nova:nova {} \;
fi
chmod 0600 /etc/nova/nova.conf
chmod 0600 /etc/nova/policy.json
chmod 0600 /etc/nova/api-paste.ini
chmod 0700 /etc/nova
chmod 0440 /etc/sudoers.d/nova_sudoers
chmod 0700 /var/log/nova
if ! grep -q sql_connection /etc/nova/nova.conf
then
su -s /bin/sh -c 'nova-manage db sync' nova
fi
if [ -e /var/lib/nova/nova.sqlite ]
then
chown nova:nova /var/lib/nova/nova.sqlite
chmod 0600 /var/lib/nova/nova.sqlite
fi
fi
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