[mopidy] Add genre playlist generating file

lab/ansible/roles/mopidy/files/generate-random-genre.sh

@@ -0,0 +1,11 @@
+#!/usr/bin/env sh
+# select X tracks for a given genre and create a playlist
+
+num=50
+playlist="/var/lib/mopidy/media/music/playlists/$1 Today.m3u8"
+echo "#EXTM3U" > ${playlist}
+for uri in $(sqlite3 /var/lib/mopidy/local/library.db "SELECT uri FROM track WHERE Genre like '%$1%' ORDER BY RANDOM() LIMIT $num;"); do
+    name=$(sqlite3 /var/lib/mopidy/local/library.db "SELECT name FROM track WHERE uri = '$uri';")
+    echo "#EXTINF:-1,$name"
+    echo "$uri"
+done >> ${playlist}