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
+  sed -i '/^\[exporting:global\]$/,/^\[/ {
-  if [ -n "$(cat $netdata_conf | grep '\[backend\]')" ] ; then
+        s/enabled = no/enabled = yes/
-    # These regexps replaces patterns inside ini [sections] ([backend] section, here)
+        s/# update every = 10/update every = 60/
-    # (source: https://stackoverflow.com/a/16987794)
+      }' $netdata_conf
-    sed -i '/^\[backend\]$/,/^\[/ {
+  if [ -z "$(grep "yunohost" $netdata_conf)" ] ; then
-      s/# enabled = no/enabled = yes/
+      cat >> $netdata_conf <<EOF
-      s/# type = graphite/type = opentsdb/
+[opentsdb:yunohost]
-      s/# destination = localhost/destination = localhost:4242/
+    enabled = yes
-      s/# update every = 10/update every = 60/
+    destination = localhost:4242
-    }' $netdata_conf
+    # data source = average
-  else
+    # prefix = netdata
-    # Otherwise create the section
+    # hostname = my_hostname
-    echo "[backend]
+    update every = 60
-enabled = yes
+    # buffer on failures = 10
-type = opentsdb
+    # timeout ms = 20000
-destination = localhost:4242" | tee -a $netdata_conf
+    # 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 [ -d "/opt/netdata" ] ; then
-if [ -f "$netdata_conf" ] ; then
+  netdata_conf="/opt/netdata/etc/netdata/exporting.conf"
-  # If there is already a [backend] section
+  if [ ! -f $netdata_conf ] ; then
-  if [ -n "$(cat $netdata_conf | grep '\[backend\]')" ] ; then
+    cp /opt/netdata/usr/lib/netdata/conf.d/exporting.conf $netdata_conf
-    # These regexps replaces patterns inside ini [sections] ([backend] section, here)
+  fi
-    sed -i '/^\[backend\]$/,/^\[/ {
+  sed -i '/^\[exporting:global\]$/,/^\[/ {
-      s/# enabled = no/enabled = yes/
+        s/enabled = no/enabled = yes/
-      s/# type = graphite/type = opentsdb/
+        s/# update every = 10/update every = 60/
-      s/# destination = localhost/destination = localhost:4242/
+      }' $netdata_conf
-      s/# update every = 10/update every = 60/
+  if [ -z "$(grep "yunohost" $netdata_conf)" ] ; then
-    }' $netdata_conf
+      cat >> $netdata_conf <<EOF
-  else
+[opentsdb:yunohost]
-    # Otherwise create the section
+    enabled = yes
-    echo "[backend]
+    destination = localhost:4242
-enabled = yes
+    # data source = average
-type = opentsdb
+    # prefix = netdata
-destination = localhost:4242" | tee -a $netdata_conf
+    # 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
+  # Remove obsolete NetData backend if in use
-  ynh_systemd_action --service_name=netdata --action="restart"
+  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 = yes/enabled = no/
+      }' $netdata_conf
+    else
+      # Otherwise create the section
+      echo "[backend]
+  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