This file is indexed.

postinst is in maas-cluster-controller 1.2+bzr1373+dfsg-0ubuntu1~12.04.6.

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.

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#!/bin/sh

set -e

. /usr/share/debconf/confmodule
db_version 2.0

create_log_dir() {
    # create log dir
    if [ ! -d /var/lib/maas ]; then
        mkdir -p /var/lib/maas
    fi
    if [ ! -d /var/log/maas/oops ]; then
        mkdir -p /var/log/maas/oops
    fi
    # Give appropriate permissions
    chown -R maas:maas /var/lib/maas/
    chown -R maas:maas /var/log/maas
    chmod -R 775 /var/log/maas/oops
}

configure_maas_tgt(){
	# Set up iSCSI: add maas.conf to tgt conf.d.
	local tgtcfg="/etc/tgt/targets.conf"
	[ -d /etc/tgt/conf.d/ ] || 
	   echo "Warning! $tgtcfg did not exist" 1>&2;
	mkdir -p /etc/tgt/conf.d/ /var/lib/maas/ephemeral/
	ln -sf /var/lib/maas/ephemeral/tgt.conf /etc/tgt/conf.d/maas.conf
}

extract_cluster_uuid(){
    # Extract ClUSTER_UUID setting from config file $1.  This will work
    # both the cluster celery config (which is python) and the cluster
    # config (which is shell).
    sed -n -e "s/^CLUSTER_UUID *= *[\"']\([^\"']*\).*/\1/p" "$1"
}

configure_cluster_uuid(){
    # The cluster uuid goes into maas_cluster.conf, but we also still
    # keep a copy in maas_local_celeryconfig_cluster.py (hopefully just
    # temporarily).  If an old uuid is configured, we replicate that to
    # maas_cluster.conf; otherwise, we want to generate one.
    local uuid


    if [ -n "$(extract_cluster_uuid /etc/maas/maas_cluster.conf)" ]; then
        # UUID is already set up.  Wonderful.
        return
    fi

    # Look for a UUID stored in the old location.
    uuid="$(extract_cluster_uuid /etc/maas/maas_local_celeryconfig_cluster.py)"

    if [ -z "$uuid" ]; then
        # No UUID at all yet.  Generate one, and insert it into its
        # placeholder in the old config location.
        uuid="$(uuidgen)"
        sed -i "s|^CLUSTER_UUID = None$|CLUSTER_UUID = '$uuid'|" \
            /etc/maas/maas_local_celeryconfig_cluster.py
    fi

    # Either way, at this point we have a uuid, and it is configured in
    # the old config location.
    #
    # Write it to maas_cluster.conf as well.  There is no initial
    # placeholder in this file, so just append the setting.
    echo "CLUSTER_UUID=\"$uuid\"" >>/etc/maas/maas_cluster.conf
}


if [ "$1" = "configure" ] && [ -z "$2" ]; then
    # logging
    create_log_dir
    configure_maas_tgt
fi

if ([ "$1" = "configure" ] && [ -z "$2" ]) || [ -n "$DEBCONF_RECONFIGURE" ]; then

    if dpkg --compare-versions "$2" lt 0.1+bzr1239+dfsg-0ubuntu1; then
        create_log_dir
    fi

    # Get the MAAS_URL on configure/reconfigure and write it to the conf files.
    db_get maas-cluster-controller/maas-url || true
    if [ -n "$RET" ]; then
        sed -i "s|MAAS_URL=.*|MAAS_URL="$RET"|" /etc/maas/maas_cluster.conf
        # Extract the hostname part.
        HOSTPART=$(echo $RET|awk '{ split($0,array,"/")} END{print array[3] }')
        # And substitute it in-place in pserv.yaml on an indented, non-commented
        # line.
        sed -ri "s|^([[:space:]]+)(#+[[:space:]]*)?(generator:[[:space:]]+https?://)[^:/]+|\1\3$HOSTPART|" /etc/maas/pserv.yaml
    fi
fi

if [ "$1" = "configure" ]; then
    # These config files may contain a private cluster UUID.  Only maas
    # can read them; only root can write them
    chown root:maas \
        /etc/maas/maas_local_celeryconfig_cluster.py \
        /etc/maas/maas_cluster.conf
    chmod 0640 \
        /etc/maas/maas_local_celeryconfig_cluster.py \
        /etc/maas/maas_cluster.conf

    configure_cluster_uuid
fi

# Automatically added by dh_installinit
if [ -e "/etc/init/maas-pserv.conf" ]; then
	invoke-rc.d maas-pserv start || exit $?
fi
# End automatically added section
# Automatically added by dh_installinit
update-rc.d -f maas-pserv remove >/dev/null || exit $?
# End automatically added section
# Automatically added by dh_installinit
if [ -e "/etc/init/maas-cluster-celery.conf" ]; then
	invoke-rc.d maas-cluster-celery start || exit $?
fi
# End automatically added section
# Automatically added by dh_installinit
update-rc.d -f maas-cluster-celery remove >/dev/null || exit $?
# End automatically added section

# Automatically added by dh_python2:
if which pycompile >/dev/null 2>&1; then
	pycompile -p maas-cluster-controller 
fi

# End automatically added section