postinst is in opennebula-common 3.4.1-4.1ubuntu1.
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 | #!/bin/sh
set -e
ONEHOME=/var/lib/one
ONE_GROUP=cloud
ONE_USER=oneadmin
create_cloudgroup() {
if ! getent group $ONE_GROUP > /dev/null 2>&1; then
addgroup --system $ONE_GROUP
fi
}
create_oneuser() {
if ! getent passwd $ONE_USER > /dev/null 2>&1; then
adduser --system --ingroup $ONE_GROUP --home $ONEHOME --shell /bin/bash $ONE_USER
else
ONEHOME=`getent passwd $ONE_USER | cut -f6 -d:`
# Renable user (give him a shell)
usermod --shell /bin/bash $ONE_USER
# Make sure ONEHOME exists, might have been removed on previous purge
mkdir -p $ONEHOME
fi
}
ssh_key_configure() {
if ! [ -d "$ONEHOME/.ssh" ]; then
mkdir "$ONEHOME/.ssh"
chown $ONE_USER "$ONEHOME/.ssh"
chmod 755 "$ONEHOME/.ssh"
fi
if ! [ -f "$ONEHOME/.ssh/authorized_keys" ]; then
touch "$ONEHOME/.ssh/authorized_keys"
chown $ONE_USER "$ONEHOME/.ssh/authorized_keys"
chmod 600 "$ONEHOME/.ssh/authorized_keys"
fi
if ! [ -f "$ONEHOME/.ssh/id_rsa" ]; then
su $ONE_USER -c "ssh-keygen -N '' -t rsa -f $ONEHOME/.ssh/id_rsa"
fi
}
if [ "$1" = "configure" ]; then
create_cloudgroup
create_oneuser
ssh_key_configure
if ! [ -d "$ONEHOME/.one" ]; then
mkdir "$ONEHOME/.one"
chown $ONE_USER "$ONEHOME/.one"
chmod 700 "$ONEHOME/.one"
fi
# Use dpkg-statoverride instead of direct chmod/chown
if ! dpkg-statoverride --list $ONEHOME >/dev/null 2>&1; then
dpkg-statoverride --update --add $ONE_USER root 755 $ONEHOME
fi
fi
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