Merge ~hloeung/influxdb-charm:master into influxdb-charm:master

[Haw Loeung]

Don't output anything in the influxdb-backup job to reduce cron spam

[🤖 Canonical IS Merge Bot (canonical-is-mergebot)]

This merge proposal is being monitored by mergebot. Change the status to Approved to merge.

[Barry Price (barryprice)]

+1

review: Approve

[🤖 Canonical IS Merge Bot (canonical-is-mergebot)]

Change successfully merged at revision be17bc8cc8963cee1cbfcca7ac2224193031ffe1

diff --git a/templates/influxdb-backup b/templates/influxdb-backup
index b253fbc..ab02772 100644
--- a/templates/influxdb-backup
+++ b/templates/influxdb-backup
@@ -33,11 +33,11 @@ esac
 DATABASES=$(influx ${auth_args} --execute 'show databases' --format=json | jq --raw-output '.results[0].series[0].values[][0]' | grep -ve '^_internal$')
 
 # back up metadata
-influxd backup $TODAY_DIR/metdata
+influxd backup $TODAY_DIR/metdata >/dev/null
 
 # back up individual databases
 for d in ${DATABASES}; do
-    influxd backup -database $d $TODAY_DIR/$d
+    influxd backup -database $d $TODAY_DIR/$d >/dev/null
 done
 
 # compress the on-disk backup - gzip will do as the files can be huge, more efficient compressors are too slow/intensive
@@ -49,10 +49,10 @@ cd $BACKUP_DIR
 
 # remove any old backup dirs from pre-compression revisions of this script
 for dir in $(find . -maxdepth 1 -type d | grep -v ^.$ | sort -r | tail -n +$NUM); do
-    rm -rf ./$dir && echo "Removed $dir"
+    rm -rf ./$dir
 done
 
 # remove old compressed backup files
 for file in $(find . -maxdepth 1 -type f | sort -r | tail -n +$NUM); do
-    rm -rf ./$file && echo "Removed $file"
+    rm -rf ./$file
 done