fix(1.5.0): Add script to clean useless data

Clsoes gravitee-io/issues#504

upgrades/1.5.0/README.adoc

@@ -0,0 +1,9 @@
+= Upgrade to 1.5.0
+
+== Repository
+=== Mongodb
+
+Before running any script, please create a dump of your existing database.
+
+upgrades/1.5.0/mongodb/1-remove-event-picture.js::
+This script delete the picture from all API relative events because picture is useless and is disk consuming.

upgrades/1.5.0/mongodb/1-remove-event-picture.js

@@ -0,0 +1,14 @@
+db.events.find().forEach(
+    function(event) {
+        var payload = JSON.parse(event.payload);
+        if (payload.definition !== undefined) {
+            var definition = JSON.parse(payload.definition);
+            delete payload.picture;
+            delete definition.picture;
+
+            payload.definition = JSON.stringify(definition);
+
+            db.events.updateOne({ _id: event._id}, {$set: {payload: JSON.stringify(payload)}}, { upsert: true} );
+        }
+    }
+);

upgrades/README.adoc

@@ -1,6 +1,8 @@
 = Upgrade Notes
 
 ifdef::env-github[]
+include::1.5.0/README.adoc[leveloffset=+1]
+
 include::1.4.0/README.adoc[leveloffset=+1]
 
 include::1.1.0/README.adoc[leveloffset=+1]
@@ -12,6 +14,8 @@ ifndef::env-github[]
 
 NOTE: Files specified in this guide can be found at https://github.com/gravitee-io/release/tree/master/upgrades
 
+include::https://raw.githubusercontent.com/gravitee-io/release/master/upgrades/1.5.0/README.adoc[leveloffset=+1]
+
 include::https://raw.githubusercontent.com/gravitee-io/release/master/upgrades/1.4.0/README.adoc[leveloffset=+1]
 
 include::https://raw.githubusercontent.com/gravitee-io/release/master/upgrades/1.1.0/README.adoc[leveloffset=+1]