mirror of
https://github.com/YunoHost-Apps/grafana_ynh.git
synced 2024-09-03 20:36:29 +02:00
131 lines
5.2 KiB
Bash
131 lines
5.2 KiB
Bash
#!/bin/bash
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#=================================================
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# GENERIC START
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#=================================================
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# IMPORT GENERIC HELPERS
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#=================================================
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source _common.sh
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source /usr/share/yunohost/helpers
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#=================================================
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# CHECK VERSION
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#=================================================
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upgrade_type=$(ynh_check_app_version_changed)
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#=================================================
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# BACKUP BEFORE UPGRADE THEN ACTIVE TRAP
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#=================================================
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ynh_script_progression --message="Backing up the app before upgrading (may take a while)..." --weight=4
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# Workaround for missing "/var/lib/grafana/plugins"
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mkdir -p "/var/lib/grafana/plugins"
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chown -R $app:$app "/var/lib/grafana/plugins"
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#=================================================
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# NGINX CONFIGURATION
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#=================================================
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ynh_script_progression --message="Upgrading NGINX web server configuration..." --weight=1
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# Create a dedicated NGINX config
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ynh_add_nginx_config
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#=================================================
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# SPECIFIC UPGRADE
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#=================================================
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# CONFIGURING GRAFANA AND INFLUXDB
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#=================================================
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ynh_script_progression --message="Configuring Grafana and InfluxDB..." --weight=3
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# If NetData is installed, configure it to feed InfluxDB
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if [ -d "/var/www/netdata" ] ; then
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netdata_conf="/var/www/netdata/etc/netdata/exporting.conf"
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if [ ! -f $netdata_conf ] ; then
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cp /var/www/netdata/usr/lib/netdata/conf.d/exporting.conf $netdata_conf
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fi
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sed -i '/^\[exporting:global\]$/,/^\[/ {
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s/enabled = no/enabled = yes/
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s/# update every = 10/update every = 60/
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}' $netdata_conf
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if [ -z "$(grep "yunohost" $netdata_conf)" ] ; then
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cat >> $netdata_conf <<EOF
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[opentsdb:yunohost]
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enabled = yes
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destination = localhost:4242
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# data source = average
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# prefix = netdata
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# hostname = my_hostname
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update every = 60
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# buffer on failures = 10
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# timeout ms = 20000
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# send names instead of ids = yes
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# send charts matching = *
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# send hosts matching = localhost *
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EOF
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fi
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# Remove obsolete NetData backend if in use
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netdata_conf="/var/www/netdata/etc/netdata/netdata.conf"
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if [ -f "$netdata_conf" ] ; then
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# If there is already a [backend] section
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if [ -n "$(cat $netdata_conf | grep '\[backend\]')" ] ; then
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# These regexps replaces patterns inside ini [sections] ([backend] section, here)
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sed -i '/^\[backend\]$/,/^\[/ {
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s/enabled = yes/enabled = no/
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}' $netdata_conf
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else
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# Otherwise create the section
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echo "[backend]
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enabled = yes
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type = opentsdb
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destination = localhost:4242" | tee -a $netdata_conf
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fi
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fi
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# Restart NetData
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ynh_systemd_action --service_name=netdata --action="restart"
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fi
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# Fix configuration for Grafana instances existing prior to version 10
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sed -i "/^\[server\]$/,/^\[/ s@serve_from_sub_path = .*@serve_from_sub_path = false@" "/etc/grafana/grafana.ini"
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# Update Grafana LDAP authentication configuration
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ynh_add_config --template="ldap.toml" --destination="/etc/grafana/ldap.toml"
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# Update default dashboard for NetData (source: https://grafana.com/grafana/dashboards/2701)
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# Remove new lines
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tr -d '\n' < ../conf/netdata_dashboard.json > dashboard.json
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# Fill the template with the defined data source
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sed -i 's/${DS_CENTCOM-INFLUXDB}/InfluxDB/g' dashboard.json
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# Escape the dashboard definition for MySQL query
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dashboard=$(cat dashboard.json)
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printf -v escaped_dashboard "%q" "$dashboard"
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# Import dashboard into MySQL
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ynh_mysql_connect_as --user=$db_user --password=$db_pwd --database=$db_name <<< "UPDATE dashboard set data=\"$escaped_dashboard\" WHERE id=99999;"
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# Insert dashboard version if non existent (for downward compatibility)
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ynh_mysql_connect_as --user=$db_user --password=$db_pwd --database=$db_name <<< "INSERT INTO dashboard_version (id, dashboard_id, parent_version, restored_from, version, created, created_by, message, data) VALUES (99999, 99999, 0, 0, 1, '2020-05-16 14:36:50', 1, 'YunoHost installer', \"$escaped_dashboard\");" > /dev/null 2>&1 || true
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#=================================================
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# GENERIC FINALIZATION
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#=================================================
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# INTEGRATE SERVICE IN YUNOHOST
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#=================================================
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ynh_script_progression --message="Integrating service in YunoHost..."
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yunohost service add influxdb --description="open source time series database" --log="/var/log/grafana/grafana.log"
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yunohost service add grafana-server --description="open source analytics and monitoring solution" --log="/var/log/grafana/grafana.log"
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#=================================================
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# START SYSTEMD SERVICE
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#=================================================
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ynh_script_progression --message="Restarting a systemd service..." --weight=2
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systemctl daemon-reload
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ynh_systemd_action --service_name=grafana-server --action="restart" --log_path="/var/log/grafana/grafana.log" --line_match="HTTP Server Listen" --timeout=600
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#=================================================
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# END OF SCRIPT
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#=================================================
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ynh_script_progression --message="Upgrade of $app completed" --last
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