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#!/bin/bash
# Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this code except in compliance
# with the License. You may obtain a copy of the License
# at http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
# implied. See the License for the specific language governing
# permissions and limitations under the License.
set -x
die()
{
echo "$@" 1>&2
echo $0: "$@"
umask 022
echo $0: "$@" >> /tmp/pgaas-failures
exit 1
}
[ -n "$CFGDIR" ] || die "CFGDIR is not set"
[ -n "$OPENECOMP" ] || die "OPENECOMP is not set"
[ -n "$NOTOPENECOMP" ] || die "NOTOPENECOMP is not set"
if $OPENECOMP
then export PGDIR=${INSTALL_ROOT}/usr/lib/postgresql/9.5
else export PGDIR=${INSTALL_ROOT}/opt/app/postgresql-9.5.2
fi
export DBROOT=/dbroot/pgdata/main
export PATH=$PATH:${INSTALL_ROOT}/opt/app/postgresql-prep/bin
$CFGDIR/etc/makecerts
cat $CFGDIR/lib/profile.additions >> ~postgres/.profile
# Determine which system is the master.
# For central, we look first in /tmp/postgres.conf.
# If we don't find that, we look at the pgnodes list and pick the first one.
# For edge, we ignore /tmp/postgres.conf and go directly to the pgnodes list.
# Each edge site has its own master.
clustertype=$( ${INSTALL_ROOT}/opt/app/cdf/bin/getpropvalue -n cluster )
ismaster=no
case $clustertype in
central )
CONF=/tmp/postgres.conf
if [ -f $CONF ] # OpenDCAE
then
umask 077
TMP=$(mktemp /tmp/tmp.pi1.XXXXXXXXXX)
trap 'rm -f $TMP' 0 1 2 3 15
sed -e 's/ *: */="/' -e 's/$/"/' -e 's/=""/="/' -e 's/""$/"/' < $CONF > $TMP
. $TMP
case `hostname` in
$master ) ismaster=yes ;;
*?* ) ismaster=no ;;
'' ) die "master is not set in $CONF"
esac
PGNODES=$( ${INSTALL_ROOT}/opt/app/cdf/bin/getpropvalue -n pgnodes )
export MASTER=$( gen-repmgr-info -n "$PGNODES" -M "$master" )
[ -n "$MASTER" ] || die "Cannot determine master system. $CONF has '$master' (from env.yaml), which cannot be found in pgnodes."
else
# not OpenDCAE
ismaster=yes
PGNODES=$( ${INSTALL_ROOT}/opt/app/cdf/bin/getpropvalue -n pgnodes )
export MASTER=$( gen-repmgr-info -n "$PGNODES" -m )
fi
;;
edge )
host=$( hostname -f )
PGNODES=$( ${INSTALL_ROOT}/opt/app/cdf/bin/getpropvalue -n pgnodes )
export MASTER=$( gen-repmgr-info -n "$PGNODES" -C $host )
case $MASTER in
'' ) die "Cannot determine master system. Does cdf.cfg have pgnodes= in it? Is $host listed as a site?" ;;
DEFAULT ) ismaster=yes MASTER=$host ;;
esac
;;
esac
ssh_and_cdf_okay=no
case $ismaster in
yes ) # master
$CFGDIR/etc/create-ssh-master &&
$CFGDIR/etc/create-cdf-master &&
ssh_and_cdf_okay=yes
;;
no ) # secondary
$CFGDIR/etc/create-ssh-secondary &&
$CFGDIR/etc/create-cdf-secondary &&
touch $CFGDIR/lib/ignore-database-reconfiguration # prevent dcae_admin_db.py from looking at json DB reconfigurations &&
ssh_and_cdf_okay=yes
;;
esac
[ "$ssh_and_cdf_okay" = yes ] || die "Could not set up ssh or cdf"
$CFGDIR/etc/common-db-tasks
# check if we have a database already
if [ ! -s $DBROOT/PG_VERSION ]
then
# need to create it
case $ismaster in
yes ) $CFGDIR/etc/create-db-master ;;
no ) $CFGDIR/etc/create-db-secondary ;;
esac
else
# need to update it
case $ismaster in
yes ) $CFGDIR/etc/update-db-master ;;
no )
$CFGDIR/etc/create-db-secondary # use repmgr clone even if secondary previously existed
# $CFGDIR/etc/update-db-secondary
;;
esac
fi
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