Migrate NetData backend conf to Exporting Engine

CHANGELOG.md

@@ -8,6 +8,7 @@ Changelog
 
 #### Changed
 * Upgrade to upstream version 7.3.2
+* Migrate NetData configuration from deprecated backend configuration to Exporting Engine configuration
 
 ## [7.0.3~ynh1](https://github.com/YunoHost-Apps/grafana_ynh/pull/21) - 2020-06-13
 

scripts/install

@@ -100,26 +100,28 @@ ynh_add_nginx_config
 #=================================================
 ynh_script_progression --message="Configuring Grafana and InfluxDB..." --weight=30
 # If NetData is installed, configure it to feed InfluxDB
-netdata_conf="/opt/netdata/etc/netdata/netdata.conf"
+netdata_conf="/opt/netdata/etc/netdata/exporting.conf"
 if [ -f "$netdata_conf" ] ; then
-  # If there is already a [backend] section
-  if [ -n "$(cat $netdata_conf | grep '\[backend\]')" ] ; then
-    # These regexps replaces patterns inside ini [sections] ([backend] section, here)
-    # (source: https://stackoverflow.com/a/16987794)
-    sed -i '/^\[backend\]$/,/^\[/ {
-      s/# enabled = no/enabled = yes/
-      s/# type = graphite/type = opentsdb/
-      s/# destination = localhost/destination = localhost:4242/
+  sed -i '/^\[exporting:global\]$/,/^\[/ {
+        s/enabled = no/enabled = yes/
         s/# update every = 10/update every = 60/
       }' $netdata_conf
-  else
-    # Otherwise create the section
-    echo "[backend]
-enabled = yes
-type = opentsdb
-destination = localhost:4242" | tee -a $netdata_conf
+  if [ -z "$(grep "yunohost" $netdata_conf)" ] ; then
+      cat >> $netdata_conf <<EOF
+[opentsdb:yunohost]
+    enabled = yes
+    destination = localhost:4242
+    # data source = average
+    # prefix = netdata
+    # hostname = my_hostname
+    update every = 60
+    # buffer on failures = 10
+    # timeout ms = 20000
+    # send names instead of ids = yes
+    # send charts matching = *
+    # send hosts matching = localhost *
+EOF
   fi
-
   # Restart NetData
   ynh_systemd_action --service_name=netdata --action="restart"
 fi

scripts/upgrade

@@ -103,29 +103,55 @@ ynh_install_extra_app_dependencies --repo="deb https://packages.grafana.com/oss/
 
 ynh_script_progression --message="Configuring Grafana and InfluxDB..." --weight=3
 # If NetData is installed, configure it to feed InfluxDB
-netdata_conf="/opt/netdata/etc/netdata/netdata.conf"
-if [ -f "$netdata_conf" ] ; then
+if [ -d "/opt/netdata" ] ; then
+  netdata_conf="/opt/netdata/etc/netdata/exporting.conf"
+  if [ ! -f $netdata_conf ] ; then
+    cp /opt/netdata/usr/lib/netdata/conf.d/exporting.conf $netdata_conf
+  fi
+  sed -i '/^\[exporting:global\]$/,/^\[/ {
+        s/enabled = no/enabled = yes/
+        s/# update every = 10/update every = 60/
+      }' $netdata_conf
+  if [ -z "$(grep "yunohost" $netdata_conf)" ] ; then
+      cat >> $netdata_conf <<EOF
+[opentsdb:yunohost]
+    enabled = yes
+    destination = localhost:4242
+    # data source = average
+    # prefix = netdata
+    # hostname = my_hostname
+    update every = 60
+    # buffer on failures = 10
+    # timeout ms = 20000
+    # send names instead of ids = yes
+    # send charts matching = *
+    # send hosts matching = localhost *
+EOF
+  fi
+
+  # Remove obsolete NetData backend if in use
+  netdata_conf="/opt/netdata/etc/netdata/netdata.conf"
+  if [ -f "$netdata_conf" ] ; then
     # If there is already a [backend] section
     if [ -n "$(cat $netdata_conf | grep '\[backend\]')" ] ; then
       # These regexps replaces patterns inside ini [sections] ([backend] section, here)
       sed -i '/^\[backend\]$/,/^\[/ {
-      s/# enabled = no/enabled = yes/
-      s/# type = graphite/type = opentsdb/
-      s/# destination = localhost/destination = localhost:4242/
-      s/# update every = 10/update every = 60/
+        s/enabled = yes/enabled = no/
       }' $netdata_conf
     else
       # Otherwise create the section
       echo "[backend]
-enabled = yes
-type = opentsdb
-destination = localhost:4242" | tee -a $netdata_conf
+  enabled = yes
+  type = opentsdb
+  destination = localhost:4242" | tee -a $netdata_conf
+    fi
   fi
-
     # Restart NetData
     ynh_systemd_action --service_name=netdata --action="restart"
 fi
 
+
+
 # Update default dashboard for NetData (source: https://grafana.com/grafana/dashboards/2701)
 # Remove new lines
 tr -d '\n' < ../conf/netdata_dashboard.json  > dashboard.json