grafana/packaging/deb/control/postinst

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#!/bin/sh
set -e
[ -f /etc/default/grafana-server ] && . /etc/default/grafana-server
IS_UPGRADE=false
case "$1" in
configure)
[ -z "$GRAFANA_USER" ] && GRAFANA_USER="grafana"
[ -z "$GRAFANA_GROUP" ] && GRAFANA_GROUP="grafana"
if ! getent group "$GRAFANA_GROUP" > /dev/null 2>&1 ; then
addgroup --system "$GRAFANA_GROUP" --quiet
fi
if ! id $GRAFANA_USER > /dev/null 2>&1 ; then
adduser --system --home /usr/share/grafana --no-create-home \
--ingroup "$GRAFANA_GROUP" --disabled-password --shell /bin/false \
"$GRAFANA_USER"
fi
# Set user permissions on /var/log/grafana, /var/lib/grafana
mkdir -p /var/log/grafana /var/lib/grafana
chown -R $GRAFANA_USER:$GRAFANA_GROUP /var/log/grafana /var/lib/grafana
chmod 755 /var/log/grafana /var/lib/grafana
# copy user config files
if [ ! -f $CONF_FILE ]; then
cp /usr/share/grafana/conf/sample.ini $CONF_FILE
cp /usr/share/grafana/conf/ldap.toml /etc/grafana/ldap.toml
fi
if [ ! -f $DATASOURCES_CFG_DIR ]; then
mkdir -p /etc/grafana/dashboards /etc/grafana/datasources
cp /usr/share/grafana/conf/dashboards/sample.yaml $DASHBOARDS_CFG_DIR/sample.yaml
cp /usr/share/grafana/conf/datasources/sample.yaml $DATASOURCES_CFG_DIR/sample.yaml
fi
# configuration files should not be modifiable by grafana user, as this can be a security issue
chown -Rh root:$GRAFANA_GROUP /etc/grafana/*
chmod 755 /etc/grafana
find /etc/grafana -type f -exec chmod 640 {} ';'
find /etc/grafana -type d -exec chmod 755 {} ';'
# If $1=configure and $2 is set, this is an upgrade
if [ "$2" != "" ]; then
IS_UPGRADE=true
fi
if [ "x$IS_UPGRADE" != "xtrue" ]; then
if command -v systemctl >/dev/null; then
echo "### NOT starting on installation, please execute the following statements to configure grafana to start automatically using systemd"
echo " sudo /bin/systemctl daemon-reload"
echo " sudo /bin/systemctl enable grafana-server"
echo "### You can start grafana-server by executing"
echo " sudo /bin/systemctl start grafana-server"
elif command -v update-rc.d >/dev/null; then
echo "### NOT starting grafana-server by default on bootup, please execute"
echo " sudo update-rc.d grafana-server defaults 95 10"
echo "### In order to start grafana-server, execute"
echo " sudo service grafana-server start"
fi
elif [ "$RESTART_ON_UPGRADE" = "true" ]; then
echo -n "Restarting grafana-server service..."
if command -v systemctl >/dev/null; then
systemctl daemon-reload
systemctl restart grafana-server || true
elif [ -x /etc/init.d/grafana-server ]; then
if command -v invoke-rc.d >/dev/null; then
invoke-rc.d grafana-server restart || true
else
/etc/init.d/grafana-server restart || true
fi
fi
echo " OK"
fi
;;
esac